diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390')
312 files changed, 0 insertions, 66779 deletions
diff --git a/ANDROID_3.4.5/arch/s390/Kbuild b/ANDROID_3.4.5/arch/s390/Kbuild deleted file mode 100644 index 9858476f..00000000 --- a/ANDROID_3.4.5/arch/s390/Kbuild +++ /dev/null @@ -1,7 +0,0 @@ -obj-y += kernel/ -obj-y += mm/ -obj-$(CONFIG_KVM) += kvm/ -obj-$(CONFIG_CRYPTO_HW) += crypto/ -obj-$(CONFIG_S390_HYPFS_FS) += hypfs/ -obj-$(CONFIG_APPLDATA_BASE) += appldata/ -obj-$(CONFIG_MATHEMU) += math-emu/ diff --git a/ANDROID_3.4.5/arch/s390/Kconfig b/ANDROID_3.4.5/arch/s390/Kconfig deleted file mode 100644 index 90150609..00000000 --- a/ANDROID_3.4.5/arch/s390/Kconfig +++ /dev/null @@ -1,648 +0,0 @@ -config MMU - def_bool y - -config ZONE_DMA - def_bool y - -config LOCKDEP_SUPPORT - def_bool y - -config STACKTRACE_SUPPORT - def_bool y - -config HAVE_LATENCYTOP_SUPPORT - def_bool y - -config RWSEM_GENERIC_SPINLOCK - bool - -config RWSEM_XCHGADD_ALGORITHM - def_bool y - -config ARCH_HAS_ILOG2_U32 - def_bool n - -config ARCH_HAS_ILOG2_U64 - def_bool n - -config GENERIC_HWEIGHT - def_bool y - -config GENERIC_TIME_VSYSCALL - def_bool y - -config GENERIC_CLOCKEVENTS - def_bool y - -config GENERIC_BUG - def_bool y if BUG - -config GENERIC_BUG_RELATIVE_POINTERS - def_bool y - -config NO_IOMEM - def_bool y - -config NO_DMA - def_bool y - -config ARCH_DMA_ADDR_T_64BIT - def_bool 64BIT - -config GENERIC_LOCKBREAK - def_bool y if SMP && PREEMPT - -config PGSTE - def_bool y if KVM - -config VIRT_CPU_ACCOUNTING - def_bool y - -config ARCH_SUPPORTS_DEBUG_PAGEALLOC - def_bool y - -config S390 - def_bool y - select USE_GENERIC_SMP_HELPERS if SMP - select GENERIC_CPU_DEVICES if !SMP - select HAVE_SYSCALL_WRAPPERS - select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST - select HAVE_FTRACE_MCOUNT_RECORD - select HAVE_C_RECORDMCOUNT - select HAVE_SYSCALL_TRACEPOINTS - select HAVE_DYNAMIC_FTRACE - select HAVE_FUNCTION_GRAPH_TRACER - select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_OPROFILE - select HAVE_KPROBES - select HAVE_KRETPROBES - select HAVE_KVM if 64BIT - select HAVE_ARCH_TRACEHOOK - select INIT_ALL_POSSIBLE - select HAVE_IRQ_WORK - select HAVE_PERF_EVENTS - select ARCH_HAVE_NMI_SAFE_CMPXCHG - select HAVE_KERNEL_GZIP - select HAVE_KERNEL_BZIP2 - select HAVE_KERNEL_LZMA - select HAVE_KERNEL_LZO - select HAVE_KERNEL_XZ - select HAVE_ARCH_MUTEX_CPU_RELAX - select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 - select ARCH_SAVE_PAGE_KEYS if HIBERNATION - select HAVE_MEMBLOCK - select HAVE_MEMBLOCK_NODE_MAP - select ARCH_DISCARD_MEMBLOCK - select ARCH_INLINE_SPIN_TRYLOCK - select ARCH_INLINE_SPIN_TRYLOCK_BH - select ARCH_INLINE_SPIN_LOCK - select ARCH_INLINE_SPIN_LOCK_BH - select ARCH_INLINE_SPIN_LOCK_IRQ - select ARCH_INLINE_SPIN_LOCK_IRQSAVE - select ARCH_INLINE_SPIN_UNLOCK - select ARCH_INLINE_SPIN_UNLOCK_BH - select ARCH_INLINE_SPIN_UNLOCK_IRQ - select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE - select ARCH_INLINE_READ_TRYLOCK - select ARCH_INLINE_READ_LOCK - select ARCH_INLINE_READ_LOCK_BH - select ARCH_INLINE_READ_LOCK_IRQ - select ARCH_INLINE_READ_LOCK_IRQSAVE - select ARCH_INLINE_READ_UNLOCK - select ARCH_INLINE_READ_UNLOCK_BH - select ARCH_INLINE_READ_UNLOCK_IRQ - select ARCH_INLINE_READ_UNLOCK_IRQRESTORE - select ARCH_INLINE_WRITE_TRYLOCK - select ARCH_INLINE_WRITE_LOCK - select ARCH_INLINE_WRITE_LOCK_BH - select ARCH_INLINE_WRITE_LOCK_IRQ - select ARCH_INLINE_WRITE_LOCK_IRQSAVE - select ARCH_INLINE_WRITE_UNLOCK - select ARCH_INLINE_WRITE_UNLOCK_BH - select ARCH_INLINE_WRITE_UNLOCK_IRQ - select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE - -config SCHED_OMIT_FRAME_POINTER - def_bool y - -source "init/Kconfig" - -source "kernel/Kconfig.freezer" - -menu "Base setup" - -comment "Processor type and features" - -source "kernel/time/Kconfig" - -config 64BIT - def_bool y - prompt "64 bit kernel" - help - Select this option if you have an IBM z/Architecture machine - and want to use the 64 bit addressing mode. - -config 32BIT - def_bool y if !64BIT - -config KTIME_SCALAR - def_bool 32BIT - -config SMP - def_bool y - prompt "Symmetric multi-processing support" - ---help--- - This enables support for systems with more than one CPU. If you have - a system with only one CPU, like most personal computers, say N. If - you have a system with more than one CPU, say Y. - - If you say N here, the kernel will run on single and multiprocessor - machines, but will use only one CPU of a multiprocessor machine. If - you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel - will run faster if you say N here. - - See also the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. - - Even if you don't know what to do here, say Y. - -config NR_CPUS - int "Maximum number of CPUs (2-64)" - range 2 64 - depends on SMP - default "32" if !64BIT - default "64" if 64BIT - help - This allows you to specify the maximum number of CPUs which this - kernel will support. The maximum supported value is 64 and the - minimum value which makes sense is 2. - - This is purely to save memory - each supported CPU adds - approximately sixteen kilobytes to the kernel image. - -config HOTPLUG_CPU - def_bool y - prompt "Support for hot-pluggable CPUs" - depends on SMP - select HOTPLUG - help - Say Y here to be able to turn CPUs off and on. CPUs - can be controlled through /sys/devices/system/cpu/cpu#. - Say N if you want to disable CPU hotplug. - -config SCHED_MC - def_bool n - -config SCHED_BOOK - def_bool y - prompt "Book scheduler support" - depends on SMP - select SCHED_MC - help - Book scheduler support improves the CPU scheduler's decision making - when dealing with machines that have several books. - -config MATHEMU - def_bool y - prompt "IEEE FPU emulation" - depends on MARCH_G5 - help - This option is required for IEEE compliant floating point arithmetic - on older ESA/390 machines. Say Y unless you know your machine doesn't - need this. - -config COMPAT - def_bool y - prompt "Kernel support for 31 bit emulation" - depends on 64BIT - select COMPAT_BINFMT_ELF - select ARCH_WANT_OLD_COMPAT_IPC - help - Select this option if you want to enable your system kernel to - handle system-calls from ELF binaries for 31 bit ESA. This option - (and some other stuff like libraries and such) is needed for - executing 31 bit applications. It is safe to say "Y". - -config SYSVIPC_COMPAT - def_bool y if COMPAT && SYSVIPC - -config KEYS_COMPAT - def_bool y if COMPAT && KEYS - -config AUDIT_ARCH - def_bool y - -comment "Code generation options" - -choice - prompt "Processor type" - default MARCH_G5 - -config MARCH_G5 - bool "System/390 model G5 and G6" - depends on !64BIT - help - Select this to build a 31 bit kernel that works - on all ESA/390 and z/Architecture machines. - -config MARCH_Z900 - bool "IBM zSeries model z800 and z900" - help - Select this to enable optimizations for model z800/z900 (2064 and - 2066 series). This will enable some optimizations that are not - available on older ESA/390 (31 Bit) only CPUs. - -config MARCH_Z990 - bool "IBM zSeries model z890 and z990" - help - Select this to enable optimizations for model z890/z990 (2084 and - 2086 series). The kernel will be slightly faster but will not work - on older machines. - -config MARCH_Z9_109 - bool "IBM System z9" - help - Select this to enable optimizations for IBM System z9 (2094 and - 2096 series). The kernel will be slightly faster but will not work - on older machines. - -config MARCH_Z10 - bool "IBM System z10" - help - Select this to enable optimizations for IBM System z10 (2097 and - 2098 series). The kernel will be slightly faster but will not work - on older machines. - -config MARCH_Z196 - bool "IBM zEnterprise 114 and 196" - help - Select this to enable optimizations for IBM zEnterprise 114 and 196 - (2818 and 2817 series). The kernel will be slightly faster but will - not work on older machines. - -endchoice - -config PACK_STACK - def_bool y - prompt "Pack kernel stack" - help - This option enables the compiler option -mkernel-backchain if it - is available. If the option is available the compiler supports - the new stack layout which dramatically reduces the minimum stack - frame size. With an old compiler a non-leaf function needs a - minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With - -mkernel-backchain the minimum size drops to 16 byte on 31 bit - and 24 byte on 64 bit. - - Say Y if you are unsure. - -config SMALL_STACK - def_bool n - prompt "Use 8kb for kernel stack instead of 16kb" - depends on PACK_STACK && 64BIT && !LOCKDEP - help - If you say Y here and the compiler supports the -mkernel-backchain - option the kernel will use a smaller kernel stack size. The reduced - size is 8kb instead of 16kb. This allows to run more threads on a - system and reduces the pressure on the memory management for higher - order page allocations. - - Say N if you are unsure. - -config CHECK_STACK - def_bool y - prompt "Detect kernel stack overflow" - help - This option enables the compiler option -mstack-guard and - -mstack-size if they are available. If the compiler supports them - it will emit additional code to each function prolog to trigger - an illegal operation if the kernel stack is about to overflow. - - Say N if you are unsure. - -config STACK_GUARD - int "Size of the guard area (128-1024)" - range 128 1024 - depends on CHECK_STACK - default "256" - help - This allows you to specify the size of the guard area at the lower - end of the kernel stack. If the kernel stack points into the guard - area on function entry an illegal operation is triggered. The size - needs to be a power of 2. Please keep in mind that the size of an - interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. - The minimum size for the stack guard should be 256 for 31 bit and - 512 for 64 bit. - -config WARN_DYNAMIC_STACK - def_bool n - prompt "Emit compiler warnings for function with dynamic stack usage" - help - This option enables the compiler option -mwarn-dynamicstack. If the - compiler supports this options generates warnings for functions - that dynamically allocate stack space using alloca. - - Say N if you are unsure. - -comment "Kernel preemption" - -source "kernel/Kconfig.preempt" - -config ARCH_SPARSEMEM_ENABLE - def_bool y - select SPARSEMEM_VMEMMAP_ENABLE - select SPARSEMEM_VMEMMAP - select SPARSEMEM_STATIC if !64BIT - -config ARCH_SPARSEMEM_DEFAULT - def_bool y - -config ARCH_SELECT_MEMORY_MODEL - def_bool y - -config ARCH_ENABLE_MEMORY_HOTPLUG - def_bool y if SPARSEMEM - -config ARCH_ENABLE_MEMORY_HOTREMOVE - def_bool y - -config ARCH_HIBERNATION_POSSIBLE - def_bool y if 64BIT - -source "mm/Kconfig" - -comment "I/O subsystem configuration" - -config QDIO - def_tristate y - prompt "QDIO support" - ---help--- - This driver provides the Queued Direct I/O base support for - IBM System z. - - To compile this driver as a module, choose M here: the - module will be called qdio. - - If unsure, say Y. - -config CHSC_SCH - def_tristate m - prompt "Support for CHSC subchannels" - help - This driver allows usage of CHSC subchannels. A CHSC subchannel - is usually present on LPAR only. - The driver creates a device /dev/chsc, which may be used to - obtain I/O configuration information about the machine and - to issue asynchronous chsc commands (DANGEROUS). - You will usually only want to use this interface on a special - LPAR designated for system management. - - To compile this driver as a module, choose M here: the - module will be called chsc_sch. - - If unsure, say N. - -comment "Misc" - -config IPL - def_bool y - prompt "Builtin IPL record support" - help - If you want to use the produced kernel to IPL directly from a - device, you have to merge a bootsector specific to the device - into the first bytes of the kernel. You will have to select the - IPL device. - -choice - prompt "IPL method generated into head.S" - depends on IPL - default IPL_VM - help - Select "tape" if you want to IPL the image from a Tape. - - Select "vm_reader" if you are running under VM/ESA and want - to IPL the image from the emulated card reader. - -config IPL_TAPE - bool "tape" - -config IPL_VM - bool "vm_reader" - -endchoice - -source "fs/Kconfig.binfmt" - -config FORCE_MAX_ZONEORDER - int - default "9" - -config PFAULT - def_bool y - prompt "Pseudo page fault support" - help - Select this option, if you want to use PFAULT pseudo page fault - handling under VM. If running native or in LPAR, this option - has no effect. If your VM does not support PFAULT, PAGEEX - pseudo page fault handling will be used. - Note that VM 4.2 supports PFAULT but has a bug in its - implementation that causes some problems. - Everybody who wants to run Linux under VM != VM4.2 should select - this option. - -config SHARED_KERNEL - def_bool y - prompt "VM shared kernel support" - help - Select this option, if you want to share the text segment of the - Linux kernel between different VM guests. This reduces memory - usage with lots of guests but greatly increases kernel size. - Also if a kernel was IPL'ed from a shared segment the kexec system - call will not work. - You should only select this option if you know what you are - doing and want to exploit this feature. - -config CMM - def_tristate n - prompt "Cooperative memory management" - help - Select this option, if you want to enable the kernel interface - to reduce the memory size of the system. This is accomplished - by allocating pages of memory and put them "on hold". This only - makes sense for a system running under VM where the unused pages - will be reused by VM for other guest systems. The interface - allows an external monitor to balance memory of many systems. - Everybody who wants to run Linux under VM should select this - option. - -config CMM_IUCV - def_bool y - prompt "IUCV special message interface to cooperative memory management" - depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) - help - Select this option to enable the special message interface to - the cooperative memory management. - -config APPLDATA_BASE - def_bool n - prompt "Linux - VM Monitor Stream, base infrastructure" - depends on PROC_FS - help - This provides a kernel interface for creating and updating z/VM APPLDATA - monitor records. The monitor records are updated at certain time - intervals, once the timer is started. - Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, - i.e. enables or disables monitoring on the Linux side. - A custom interval value (in seconds) can be written to - /proc/appldata/interval. - - Defaults are 60 seconds interval and timer off. - The /proc entries can also be read from, showing the current settings. - -config APPLDATA_MEM - def_tristate m - prompt "Monitor memory management statistics" - depends on APPLDATA_BASE && VM_EVENT_COUNTERS - help - This provides memory management related data to the Linux - VM Monitor - Stream, like paging/swapping rate, memory utilisation, etc. - Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM - APPLDATA monitor record, i.e. enables or disables monitoring this record - on the z/VM side. - - Default is disabled. - The /proc entry can also be read from, showing the current settings. - - This can also be compiled as a module, which will be called - appldata_mem.o. - -config APPLDATA_OS - def_tristate m - prompt "Monitor OS statistics" - depends on APPLDATA_BASE - help - This provides OS related data to the Linux - VM Monitor Stream, like - CPU utilisation, etc. - Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM - APPLDATA monitor record, i.e. enables or disables monitoring this record - on the z/VM side. - - Default is disabled. - This can also be compiled as a module, which will be called - appldata_os.o. - -config APPLDATA_NET_SUM - def_tristate m - prompt "Monitor overall network statistics" - depends on APPLDATA_BASE && NET - help - This provides network related data to the Linux - VM Monitor Stream, - currently there is only a total sum of network I/O statistics, no - per-interface data. - Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM - APPLDATA monitor record, i.e. enables or disables monitoring this record - on the z/VM side. - - Default is disabled. - This can also be compiled as a module, which will be called - appldata_net_sum.o. - -source kernel/Kconfig.hz - -config S390_HYPFS_FS - def_bool y - prompt "s390 hypervisor file system support" - select SYS_HYPERVISOR - help - This is a virtual file system intended to provide accounting - information in an s390 hypervisor environment. - -config KEXEC - def_bool n - prompt "kexec system call" - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but is independent of hardware/microcode support. - -config CRASH_DUMP - bool "kernel crash dumps" - depends on 64BIT - select KEXEC - help - Generate crash dump after being started by kexec. - Crash dump kernels are loaded in the main kernel with kexec-tools - into a specially reserved region and then later executed after - a crash by kdump/kexec. - For more details see Documentation/kdump/kdump.txt - -config ZFCPDUMP - def_bool n - prompt "zfcpdump support" - select SMP - help - Select this option if you want to build an zfcpdump enabled kernel. - Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. - -config S390_GUEST - def_bool y - prompt "s390 guest support for KVM (EXPERIMENTAL)" - depends on 64BIT && EXPERIMENTAL - select VIRTUALIZATION - select VIRTIO - select VIRTIO_RING - select VIRTIO_CONSOLE - help - Select this option if you want to run the kernel as a guest under - the KVM hypervisor. This will add detection for KVM as well as a - virtio transport. If KVM is detected, the virtio console will be - the default console. - -config SECCOMP - def_bool y - prompt "Enable seccomp to safely compute untrusted bytecode" - depends on PROC_FS - help - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc/<pid>/seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. - - If unsure, say Y. - -endmenu - -menu "Power Management" - -source "kernel/power/Kconfig" - -endmenu - -source "net/Kconfig" - -config PCMCIA - def_bool n - -config CCW - def_bool y - -source "drivers/Kconfig" - -source "fs/Kconfig" - -source "arch/s390/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" - -source "arch/s390/kvm/Kconfig" diff --git a/ANDROID_3.4.5/arch/s390/Kconfig.debug b/ANDROID_3.4.5/arch/s390/Kconfig.debug deleted file mode 100644 index d76cef3f..00000000 --- a/ANDROID_3.4.5/arch/s390/Kconfig.debug +++ /dev/null @@ -1,37 +0,0 @@ -menu "Kernel hacking" - -config TRACE_IRQFLAGS_SUPPORT - def_bool y - -source "lib/Kconfig.debug" - -config STRICT_DEVMEM - def_bool y - prompt "Filter access to /dev/mem" - ---help--- - This option restricts access to /dev/mem. If this option is - disabled, you allow userspace access to all memory, including - kernel and userspace memory. Accidental memory access is likely - to be disastrous. - Memory access is required for experts who want to debug the kernel. - - If you are unsure, say Y. - -config DEBUG_STRICT_USER_COPY_CHECKS - def_bool n - prompt "Strict user copy size checks" - ---help--- - Enabling this option turns a certain set of sanity checks for user - copy operations into compile time warnings. - - The copy_from_user() etc checks are there to help test if there - are sufficient security checks on the length argument of - the copy operation, by having gcc prove that the argument is - within bounds. - - If unsure, or if you run an older (pre 4.4) gcc, say N. - -config DEBUG_SET_MODULE_RONX - def_bool y - depends on MODULES -endmenu diff --git a/ANDROID_3.4.5/arch/s390/Makefile b/ANDROID_3.4.5/arch/s390/Makefile deleted file mode 100644 index 0ad2f1e1..00000000 --- a/ANDROID_3.4.5/arch/s390/Makefile +++ /dev/null @@ -1,131 +0,0 @@ -# -# s390/Makefile -# -# This file is included by the global makefile so that you can add your own -# architecture-specific flags and dependencies. Remember to do have actions -# for "archclean" and "archdep" for cleaning up and making dependencies for -# this architecture -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# -# Copyright (C) 1994 by Linus Torvalds -# - -ifndef CONFIG_64BIT -LD_BFD := elf32-s390 -LDFLAGS := -m elf_s390 -KBUILD_CFLAGS += -m31 -KBUILD_AFLAGS += -m31 -UTS_MACHINE := s390 -STACK_SIZE := 8192 -CHECKFLAGS += -D__s390__ -msize-long -else -LD_BFD := elf64-s390 -LDFLAGS := -m elf64_s390 -KBUILD_AFLAGS_MODULE += -fpic -D__PIC__ -KBUILD_CFLAGS_MODULE += -fpic -D__PIC__ -KBUILD_CFLAGS += -m64 -KBUILD_AFLAGS += -m64 -UTS_MACHINE := s390x -STACK_SIZE := 16384 -CHECKFLAGS += -D__s390__ -D__s390x__ -endif - -export LD_BFD - -cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) -cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) -cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) -cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109) -cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10) -cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196) - -#KBUILD_IMAGE is necessary for make rpm -KBUILD_IMAGE :=arch/s390/boot/image - -# -# Prevent tail-call optimizations, to get clearer backtraces: -# -cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls - -# old style option for packed stacks -ifeq ($(call cc-option-yn,-mkernel-backchain),y) -cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK -aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK -cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK -aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK -ifdef CONFIG_SMALL_STACK -STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) -endif -endif - -# new style option for packed stacks -ifeq ($(call cc-option-yn,-mpacked-stack),y) -cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK -aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK -cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK -aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK -ifdef CONFIG_SMALL_STACK -STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) -endif -endif - -ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) -cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) -ifneq ($(call cc-option-yn,-mstack-size=8192),y) -cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) -endif -endif - -ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) -cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack -endif - -KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) -KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare -KBUILD_AFLAGS += $(aflags-y) - -OBJCOPYFLAGS := -O binary - -head-y := arch/s390/kernel/head.o -head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) -head-y += arch/s390/kernel/init_task.o - -# See arch/s390/Kbuild for content of core part of the kernel -core-y += arch/s390/ - -libs-y += arch/s390/lib/ -drivers-y += drivers/s390/ - -# must be linked after kernel -drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ - -boot := arch/s390/boot - -all: image bzImage - -install: vmlinux - $(Q)$(MAKE) $(build)=$(boot) $@ - -image bzImage: vmlinux - $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ - -zfcpdump: - $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ - -vdso_install: -ifeq ($(CONFIG_64BIT),y) - $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ -endif - $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ - -archclean: - $(Q)$(MAKE) $(clean)=$(boot) - -# Don't use tabs in echo arguments -define archhelp - echo '* image - Kernel image for IPL ($(boot)/image)' - echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' -endef diff --git a/ANDROID_3.4.5/arch/s390/appldata/Makefile b/ANDROID_3.4.5/arch/s390/appldata/Makefile deleted file mode 100644 index 99f1cf07..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for the Linux - z/VM Monitor Stream. -# - -obj-$(CONFIG_APPLDATA_BASE) += appldata_base.o -obj-$(CONFIG_APPLDATA_MEM) += appldata_mem.o -obj-$(CONFIG_APPLDATA_OS) += appldata_os.o -obj-$(CONFIG_APPLDATA_NET_SUM) += appldata_net_sum.o diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata.h b/ANDROID_3.4.5/arch/s390/appldata/appldata.h deleted file mode 100644 index f0b23fc7..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * arch/s390/appldata/appldata.h - * - * Definitions and interface for Linux - z/VM Monitor Stream. - * - * Copyright IBM Corp. 2003, 2008 - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#define APPLDATA_MAX_REC_SIZE 4024 /* Maximum size of the */ - /* data buffer */ -#define APPLDATA_MAX_PROCS 100 - -#define APPLDATA_PROC_NAME_LENGTH 16 /* Max. length of /proc name */ - -#define APPLDATA_RECORD_MEM_ID 0x01 /* IDs to identify the */ -#define APPLDATA_RECORD_OS_ID 0x02 /* individual records, */ -#define APPLDATA_RECORD_NET_SUM_ID 0x03 /* must be < 256 ! */ -#define APPLDATA_RECORD_PROC_ID 0x04 - -#define CTL_APPLDATA_TIMER 2121 /* sysctl IDs, must be unique */ -#define CTL_APPLDATA_INTERVAL 2122 -#define CTL_APPLDATA_MEM 2123 -#define CTL_APPLDATA_OS 2124 -#define CTL_APPLDATA_NET_SUM 2125 -#define CTL_APPLDATA_PROC 2126 - -struct appldata_ops { - struct list_head list; - struct ctl_table_header *sysctl_header; - struct ctl_table *ctl_table; - int active; /* monitoring status */ - - /* fill in from here */ - char name[APPLDATA_PROC_NAME_LENGTH]; /* name of /proc fs node */ - unsigned char record_nr; /* Record Nr. for Product ID */ - void (*callback)(void *data); /* callback function */ - void *data; /* record data */ - unsigned int size; /* size of record */ - struct module *owner; /* THIS_MODULE */ - char mod_lvl[2]; /* modification level, EBCDIC */ -}; - -extern int appldata_register_ops(struct appldata_ops *ops); -extern void appldata_unregister_ops(struct appldata_ops *ops); -extern int appldata_diag(char record_nr, u16 function, unsigned long buffer, - u16 length, char *mod_lvl); - diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_base.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_base.c deleted file mode 100644 index 24bff4f1..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_base.c +++ /dev/null @@ -1,673 +0,0 @@ -/* - * arch/s390/appldata/appldata_base.c - * - * Base infrastructure for Linux-z/VM Monitor Stream, Stage 1. - * Exports appldata_register_ops() and appldata_unregister_ops() for the - * data gathering modules. - * - * Copyright IBM Corp. 2003, 2009 - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#define KMSG_COMPONENT "appldata" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/proc_fs.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/pagemap.h> -#include <linux/sysctl.h> -#include <linux/notifier.h> -#include <linux/cpu.h> -#include <linux/workqueue.h> -#include <linux/suspend.h> -#include <linux/platform_device.h> -#include <asm/appldata.h> -#include <asm/timer.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/smp.h> - -#include "appldata.h" - - -#define APPLDATA_CPU_INTERVAL 10000 /* default (CPU) time for - sampling interval in - milliseconds */ - -#define TOD_MICRO 0x01000 /* nr. of TOD clock units - for 1 microsecond */ - -static struct platform_device *appldata_pdev; - -/* - * /proc entries (sysctl) - */ -static const char appldata_proc_name[APPLDATA_PROC_NAME_LENGTH] = "appldata"; -static int appldata_timer_handler(ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); -static int appldata_interval_handler(ctl_table *ctl, int write, - void __user *buffer, - size_t *lenp, loff_t *ppos); - -static struct ctl_table_header *appldata_sysctl_header; -static struct ctl_table appldata_table[] = { - { - .procname = "timer", - .mode = S_IRUGO | S_IWUSR, - .proc_handler = appldata_timer_handler, - }, - { - .procname = "interval", - .mode = S_IRUGO | S_IWUSR, - .proc_handler = appldata_interval_handler, - }, - { }, -}; - -static struct ctl_table appldata_dir_table[] = { - { - .procname = appldata_proc_name, - .maxlen = 0, - .mode = S_IRUGO | S_IXUGO, - .child = appldata_table, - }, - { }, -}; - -/* - * Timer - */ -static DEFINE_PER_CPU(struct vtimer_list, appldata_timer); -static atomic_t appldata_expire_count = ATOMIC_INIT(0); - -static DEFINE_SPINLOCK(appldata_timer_lock); -static int appldata_interval = APPLDATA_CPU_INTERVAL; -static int appldata_timer_active; -static int appldata_timer_suspended = 0; - -/* - * Work queue - */ -static struct workqueue_struct *appldata_wq; -static void appldata_work_fn(struct work_struct *work); -static DECLARE_WORK(appldata_work, appldata_work_fn); - - -/* - * Ops list - */ -static DEFINE_MUTEX(appldata_ops_mutex); -static LIST_HEAD(appldata_ops_list); - - -/*************************** timer, work, DIAG *******************************/ -/* - * appldata_timer_function() - * - * schedule work and reschedule timer - */ -static void appldata_timer_function(unsigned long data) -{ - if (atomic_dec_and_test(&appldata_expire_count)) { - atomic_set(&appldata_expire_count, num_online_cpus()); - queue_work(appldata_wq, (struct work_struct *) data); - } -} - -/* - * appldata_work_fn() - * - * call data gathering function for each (active) module - */ -static void appldata_work_fn(struct work_struct *work) -{ - struct list_head *lh; - struct appldata_ops *ops; - - get_online_cpus(); - mutex_lock(&appldata_ops_mutex); - list_for_each(lh, &appldata_ops_list) { - ops = list_entry(lh, struct appldata_ops, list); - if (ops->active == 1) { - ops->callback(ops->data); - } - } - mutex_unlock(&appldata_ops_mutex); - put_online_cpus(); -} - -/* - * appldata_diag() - * - * prepare parameter list, issue DIAG 0xDC - */ -int appldata_diag(char record_nr, u16 function, unsigned long buffer, - u16 length, char *mod_lvl) -{ - struct appldata_product_id id = { - .prod_nr = {0xD3, 0xC9, 0xD5, 0xE4, - 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */ - .prod_fn = 0xD5D3, /* "NL" */ - .version_nr = 0xF2F6, /* "26" */ - .release_nr = 0xF0F1, /* "01" */ - }; - - id.record_nr = record_nr; - id.mod_lvl = (mod_lvl[0]) << 8 | mod_lvl[1]; - return appldata_asm(&id, function, (void *) buffer, length); -} -/************************ timer, work, DIAG <END> ****************************/ - - -/****************************** /proc stuff **********************************/ - -/* - * appldata_mod_vtimer_wrap() - * - * wrapper function for mod_virt_timer(), because smp_call_function_single() - * accepts only one parameter. - */ -static void __appldata_mod_vtimer_wrap(void *p) { - struct { - struct vtimer_list *timer; - u64 expires; - } *args = p; - mod_virt_timer_periodic(args->timer, args->expires); -} - -#define APPLDATA_ADD_TIMER 0 -#define APPLDATA_DEL_TIMER 1 -#define APPLDATA_MOD_TIMER 2 - -/* - * __appldata_vtimer_setup() - * - * Add, delete or modify virtual timers on all online cpus. - * The caller needs to get the appldata_timer_lock spinlock. - */ -static void -__appldata_vtimer_setup(int cmd) -{ - u64 per_cpu_interval; - int i; - - switch (cmd) { - case APPLDATA_ADD_TIMER: - if (appldata_timer_active) - break; - per_cpu_interval = (u64) (appldata_interval*1000 / - num_online_cpus()) * TOD_MICRO; - for_each_online_cpu(i) { - per_cpu(appldata_timer, i).expires = per_cpu_interval; - smp_call_function_single(i, add_virt_timer_periodic, - &per_cpu(appldata_timer, i), - 1); - } - appldata_timer_active = 1; - break; - case APPLDATA_DEL_TIMER: - for_each_online_cpu(i) - del_virt_timer(&per_cpu(appldata_timer, i)); - if (!appldata_timer_active) - break; - appldata_timer_active = 0; - atomic_set(&appldata_expire_count, num_online_cpus()); - break; - case APPLDATA_MOD_TIMER: - per_cpu_interval = (u64) (appldata_interval*1000 / - num_online_cpus()) * TOD_MICRO; - if (!appldata_timer_active) - break; - for_each_online_cpu(i) { - struct { - struct vtimer_list *timer; - u64 expires; - } args; - args.timer = &per_cpu(appldata_timer, i); - args.expires = per_cpu_interval; - smp_call_function_single(i, __appldata_mod_vtimer_wrap, - &args, 1); - } - } -} - -/* - * appldata_timer_handler() - * - * Start/Stop timer, show status of timer (0 = not active, 1 = active) - */ -static int -appldata_timer_handler(ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - int len; - char buf[2]; - - if (!*lenp || *ppos) { - *lenp = 0; - return 0; - } - if (!write) { - len = sprintf(buf, appldata_timer_active ? "1\n" : "0\n"); - if (len > *lenp) - len = *lenp; - if (copy_to_user(buffer, buf, len)) - return -EFAULT; - goto out; - } - len = *lenp; - if (copy_from_user(buf, buffer, len > sizeof(buf) ? sizeof(buf) : len)) - return -EFAULT; - get_online_cpus(); - spin_lock(&appldata_timer_lock); - if (buf[0] == '1') - __appldata_vtimer_setup(APPLDATA_ADD_TIMER); - else if (buf[0] == '0') - __appldata_vtimer_setup(APPLDATA_DEL_TIMER); - spin_unlock(&appldata_timer_lock); - put_online_cpus(); -out: - *lenp = len; - *ppos += len; - return 0; -} - -/* - * appldata_interval_handler() - * - * Set (CPU) timer interval for collection of data (in milliseconds), show - * current timer interval. - */ -static int -appldata_interval_handler(ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - int len, interval; - char buf[16]; - - if (!*lenp || *ppos) { - *lenp = 0; - return 0; - } - if (!write) { - len = sprintf(buf, "%i\n", appldata_interval); - if (len > *lenp) - len = *lenp; - if (copy_to_user(buffer, buf, len)) - return -EFAULT; - goto out; - } - len = *lenp; - if (copy_from_user(buf, buffer, len > sizeof(buf) ? sizeof(buf) : len)) { - return -EFAULT; - } - interval = 0; - sscanf(buf, "%i", &interval); - if (interval <= 0) - return -EINVAL; - - get_online_cpus(); - spin_lock(&appldata_timer_lock); - appldata_interval = interval; - __appldata_vtimer_setup(APPLDATA_MOD_TIMER); - spin_unlock(&appldata_timer_lock); - put_online_cpus(); -out: - *lenp = len; - *ppos += len; - return 0; -} - -/* - * appldata_generic_handler() - * - * Generic start/stop monitoring and DIAG, show status of - * monitoring (0 = not in process, 1 = in process) - */ -static int -appldata_generic_handler(ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - struct appldata_ops *ops = NULL, *tmp_ops; - int rc, len, found; - char buf[2]; - struct list_head *lh; - - found = 0; - mutex_lock(&appldata_ops_mutex); - list_for_each(lh, &appldata_ops_list) { - tmp_ops = list_entry(lh, struct appldata_ops, list); - if (&tmp_ops->ctl_table[2] == ctl) { - found = 1; - } - } - if (!found) { - mutex_unlock(&appldata_ops_mutex); - return -ENODEV; - } - ops = ctl->data; - if (!try_module_get(ops->owner)) { // protect this function - mutex_unlock(&appldata_ops_mutex); - return -ENODEV; - } - mutex_unlock(&appldata_ops_mutex); - - if (!*lenp || *ppos) { - *lenp = 0; - module_put(ops->owner); - return 0; - } - if (!write) { - len = sprintf(buf, ops->active ? "1\n" : "0\n"); - if (len > *lenp) - len = *lenp; - if (copy_to_user(buffer, buf, len)) { - module_put(ops->owner); - return -EFAULT; - } - goto out; - } - len = *lenp; - if (copy_from_user(buf, buffer, - len > sizeof(buf) ? sizeof(buf) : len)) { - module_put(ops->owner); - return -EFAULT; - } - - mutex_lock(&appldata_ops_mutex); - if ((buf[0] == '1') && (ops->active == 0)) { - // protect work queue callback - if (!try_module_get(ops->owner)) { - mutex_unlock(&appldata_ops_mutex); - module_put(ops->owner); - return -ENODEV; - } - ops->callback(ops->data); // init record - rc = appldata_diag(ops->record_nr, - APPLDATA_START_INTERVAL_REC, - (unsigned long) ops->data, ops->size, - ops->mod_lvl); - if (rc != 0) { - pr_err("Starting the data collection for %s " - "failed with rc=%d\n", ops->name, rc); - module_put(ops->owner); - } else - ops->active = 1; - } else if ((buf[0] == '0') && (ops->active == 1)) { - ops->active = 0; - rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC, - (unsigned long) ops->data, ops->size, - ops->mod_lvl); - if (rc != 0) - pr_err("Stopping the data collection for %s " - "failed with rc=%d\n", ops->name, rc); - module_put(ops->owner); - } - mutex_unlock(&appldata_ops_mutex); -out: - *lenp = len; - *ppos += len; - module_put(ops->owner); - return 0; -} - -/*************************** /proc stuff <END> *******************************/ - - -/************************* module-ops management *****************************/ -/* - * appldata_register_ops() - * - * update ops list, register /proc/sys entries - */ -int appldata_register_ops(struct appldata_ops *ops) -{ - if (ops->size > APPLDATA_MAX_REC_SIZE) - return -EINVAL; - - ops->ctl_table = kzalloc(4 * sizeof(struct ctl_table), GFP_KERNEL); - if (!ops->ctl_table) - return -ENOMEM; - - mutex_lock(&appldata_ops_mutex); - list_add(&ops->list, &appldata_ops_list); - mutex_unlock(&appldata_ops_mutex); - - ops->ctl_table[0].procname = appldata_proc_name; - ops->ctl_table[0].maxlen = 0; - ops->ctl_table[0].mode = S_IRUGO | S_IXUGO; - ops->ctl_table[0].child = &ops->ctl_table[2]; - - ops->ctl_table[2].procname = ops->name; - ops->ctl_table[2].mode = S_IRUGO | S_IWUSR; - ops->ctl_table[2].proc_handler = appldata_generic_handler; - ops->ctl_table[2].data = ops; - - ops->sysctl_header = register_sysctl_table(ops->ctl_table); - if (!ops->sysctl_header) - goto out; - return 0; -out: - mutex_lock(&appldata_ops_mutex); - list_del(&ops->list); - mutex_unlock(&appldata_ops_mutex); - kfree(ops->ctl_table); - return -ENOMEM; -} - -/* - * appldata_unregister_ops() - * - * update ops list, unregister /proc entries, stop DIAG if necessary - */ -void appldata_unregister_ops(struct appldata_ops *ops) -{ - mutex_lock(&appldata_ops_mutex); - list_del(&ops->list); - mutex_unlock(&appldata_ops_mutex); - unregister_sysctl_table(ops->sysctl_header); - kfree(ops->ctl_table); -} -/********************** module-ops management <END> **************************/ - - -/**************************** suspend / resume *******************************/ -static int appldata_freeze(struct device *dev) -{ - struct appldata_ops *ops; - int rc; - struct list_head *lh; - - get_online_cpus(); - spin_lock(&appldata_timer_lock); - if (appldata_timer_active) { - __appldata_vtimer_setup(APPLDATA_DEL_TIMER); - appldata_timer_suspended = 1; - } - spin_unlock(&appldata_timer_lock); - put_online_cpus(); - - mutex_lock(&appldata_ops_mutex); - list_for_each(lh, &appldata_ops_list) { - ops = list_entry(lh, struct appldata_ops, list); - if (ops->active == 1) { - rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC, - (unsigned long) ops->data, ops->size, - ops->mod_lvl); - if (rc != 0) - pr_err("Stopping the data collection for %s " - "failed with rc=%d\n", ops->name, rc); - } - } - mutex_unlock(&appldata_ops_mutex); - return 0; -} - -static int appldata_restore(struct device *dev) -{ - struct appldata_ops *ops; - int rc; - struct list_head *lh; - - get_online_cpus(); - spin_lock(&appldata_timer_lock); - if (appldata_timer_suspended) { - __appldata_vtimer_setup(APPLDATA_ADD_TIMER); - appldata_timer_suspended = 0; - } - spin_unlock(&appldata_timer_lock); - put_online_cpus(); - - mutex_lock(&appldata_ops_mutex); - list_for_each(lh, &appldata_ops_list) { - ops = list_entry(lh, struct appldata_ops, list); - if (ops->active == 1) { - ops->callback(ops->data); // init record - rc = appldata_diag(ops->record_nr, - APPLDATA_START_INTERVAL_REC, - (unsigned long) ops->data, ops->size, - ops->mod_lvl); - if (rc != 0) { - pr_err("Starting the data collection for %s " - "failed with rc=%d\n", ops->name, rc); - } - } - } - mutex_unlock(&appldata_ops_mutex); - return 0; -} - -static int appldata_thaw(struct device *dev) -{ - return appldata_restore(dev); -} - -static const struct dev_pm_ops appldata_pm_ops = { - .freeze = appldata_freeze, - .thaw = appldata_thaw, - .restore = appldata_restore, -}; - -static struct platform_driver appldata_pdrv = { - .driver = { - .name = "appldata", - .owner = THIS_MODULE, - .pm = &appldata_pm_ops, - }, -}; -/************************* suspend / resume <END> ****************************/ - - -/******************************* init / exit *********************************/ - -static void __cpuinit appldata_online_cpu(int cpu) -{ - init_virt_timer(&per_cpu(appldata_timer, cpu)); - per_cpu(appldata_timer, cpu).function = appldata_timer_function; - per_cpu(appldata_timer, cpu).data = (unsigned long) - &appldata_work; - atomic_inc(&appldata_expire_count); - spin_lock(&appldata_timer_lock); - __appldata_vtimer_setup(APPLDATA_MOD_TIMER); - spin_unlock(&appldata_timer_lock); -} - -static void __cpuinit appldata_offline_cpu(int cpu) -{ - del_virt_timer(&per_cpu(appldata_timer, cpu)); - if (atomic_dec_and_test(&appldata_expire_count)) { - atomic_set(&appldata_expire_count, num_online_cpus()); - queue_work(appldata_wq, &appldata_work); - } - spin_lock(&appldata_timer_lock); - __appldata_vtimer_setup(APPLDATA_MOD_TIMER); - spin_unlock(&appldata_timer_lock); -} - -static int __cpuinit appldata_cpu_notify(struct notifier_block *self, - unsigned long action, - void *hcpu) -{ - switch (action) { - case CPU_ONLINE: - case CPU_ONLINE_FROZEN: - appldata_online_cpu((long) hcpu); - break; - case CPU_DEAD: - case CPU_DEAD_FROZEN: - appldata_offline_cpu((long) hcpu); - break; - default: - break; - } - return NOTIFY_OK; -} - -static struct notifier_block __cpuinitdata appldata_nb = { - .notifier_call = appldata_cpu_notify, -}; - -/* - * appldata_init() - * - * init timer, register /proc entries - */ -static int __init appldata_init(void) -{ - int i, rc; - - rc = platform_driver_register(&appldata_pdrv); - if (rc) - return rc; - - appldata_pdev = platform_device_register_simple("appldata", -1, NULL, - 0); - if (IS_ERR(appldata_pdev)) { - rc = PTR_ERR(appldata_pdev); - goto out_driver; - } - appldata_wq = create_singlethread_workqueue("appldata"); - if (!appldata_wq) { - rc = -ENOMEM; - goto out_device; - } - - get_online_cpus(); - for_each_online_cpu(i) - appldata_online_cpu(i); - put_online_cpus(); - - /* Register cpu hotplug notifier */ - register_hotcpu_notifier(&appldata_nb); - - appldata_sysctl_header = register_sysctl_table(appldata_dir_table); - return 0; - -out_device: - platform_device_unregister(appldata_pdev); -out_driver: - platform_driver_unregister(&appldata_pdrv); - return rc; -} - -__initcall(appldata_init); - -/**************************** init / exit <END> ******************************/ - -EXPORT_SYMBOL_GPL(appldata_register_ops); -EXPORT_SYMBOL_GPL(appldata_unregister_ops); -EXPORT_SYMBOL_GPL(appldata_diag); - -#ifdef CONFIG_SWAP -EXPORT_SYMBOL_GPL(si_swapinfo); -#endif -EXPORT_SYMBOL_GPL(nr_threads); -EXPORT_SYMBOL_GPL(nr_running); -EXPORT_SYMBOL_GPL(nr_iowait); diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c deleted file mode 100644 index f7d3dc55..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * arch/s390/appldata/appldata_mem.c - * - * Data gathering module for Linux-VM Monitor Stream, Stage 1. - * Collects data related to memory management. - * - * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel_stat.h> -#include <linux/pagemap.h> -#include <linux/swap.h> -#include <asm/io.h> - -#include "appldata.h" - - -#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* Converts #Pages to KB */ - -/* - * Memory data - * - * This is accessed as binary data by z/VM. If changes to it can't be avoided, - * the structure version (product ID, see appldata_base.c) needs to be changed - * as well and all documentation and z/VM applications using it must be - * updated. - * - * The record layout is documented in the Linux for zSeries Device Drivers - * book: - * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml - */ -static struct appldata_mem_data { - u64 timestamp; - u32 sync_count_1; /* after VM collected the record data, */ - u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the - same. If not, the record has been updated on - the Linux side while VM was collecting the - (possibly corrupt) data */ - - u64 pgpgin; /* data read from disk */ - u64 pgpgout; /* data written to disk */ - u64 pswpin; /* pages swapped in */ - u64 pswpout; /* pages swapped out */ - - u64 sharedram; /* sharedram is currently set to 0 */ - - u64 totalram; /* total main memory size */ - u64 freeram; /* free main memory size */ - u64 totalhigh; /* total high memory size */ - u64 freehigh; /* free high memory size */ - - u64 bufferram; /* memory reserved for buffers, free cache */ - u64 cached; /* size of (used) cache, w/o buffers */ - u64 totalswap; /* total swap space size */ - u64 freeswap; /* free swap space */ - -// New in 2.6 --> - u64 pgalloc; /* page allocations */ - u64 pgfault; /* page faults (major+minor) */ - u64 pgmajfault; /* page faults (major only) */ -// <-- New in 2.6 - -} __attribute__((packed)) appldata_mem_data; - - -/* - * appldata_get_mem_data() - * - * gather memory data - */ -static void appldata_get_mem_data(void *data) -{ - /* - * don't put large structures on the stack, we are - * serialized through the appldata_ops_mutex and can use static - */ - static struct sysinfo val; - unsigned long ev[NR_VM_EVENT_ITEMS]; - struct appldata_mem_data *mem_data; - - mem_data = data; - mem_data->sync_count_1++; - - all_vm_events(ev); - mem_data->pgpgin = ev[PGPGIN] >> 1; - mem_data->pgpgout = ev[PGPGOUT] >> 1; - mem_data->pswpin = ev[PSWPIN]; - mem_data->pswpout = ev[PSWPOUT]; - mem_data->pgalloc = ev[PGALLOC_NORMAL]; - mem_data->pgalloc += ev[PGALLOC_DMA]; - mem_data->pgfault = ev[PGFAULT]; - mem_data->pgmajfault = ev[PGMAJFAULT]; - - si_meminfo(&val); - mem_data->sharedram = val.sharedram; - mem_data->totalram = P2K(val.totalram); - mem_data->freeram = P2K(val.freeram); - mem_data->totalhigh = P2K(val.totalhigh); - mem_data->freehigh = P2K(val.freehigh); - mem_data->bufferram = P2K(val.bufferram); - mem_data->cached = P2K(global_page_state(NR_FILE_PAGES) - - val.bufferram); - - si_swapinfo(&val); - mem_data->totalswap = P2K(val.totalswap); - mem_data->freeswap = P2K(val.freeswap); - - mem_data->timestamp = get_clock(); - mem_data->sync_count_2++; -} - - -static struct appldata_ops ops = { - .name = "mem", - .record_nr = APPLDATA_RECORD_MEM_ID, - .size = sizeof(struct appldata_mem_data), - .callback = &appldata_get_mem_data, - .data = &appldata_mem_data, - .owner = THIS_MODULE, - .mod_lvl = {0xF0, 0xF0}, /* EBCDIC "00" */ -}; - - -/* - * appldata_mem_init() - * - * init_data, register ops - */ -static int __init appldata_mem_init(void) -{ - return appldata_register_ops(&ops); -} - -/* - * appldata_mem_exit() - * - * unregister ops - */ -static void __exit appldata_mem_exit(void) -{ - appldata_unregister_ops(&ops); -} - - -module_init(appldata_mem_init); -module_exit(appldata_mem_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gerald Schaefer"); -MODULE_DESCRIPTION("Linux-VM Monitor Stream, MEMORY statistics"); diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c deleted file mode 100644 index 5da7c562..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * arch/s390/appldata/appldata_net_sum.c - * - * Data gathering module for Linux-VM Monitor Stream, Stage 1. - * Collects accumulated network statistics (Packets received/transmitted, - * dropped, errors, ...). - * - * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel_stat.h> -#include <linux/netdevice.h> -#include <net/net_namespace.h> - -#include "appldata.h" - - -/* - * Network data - * - * This is accessed as binary data by z/VM. If changes to it can't be avoided, - * the structure version (product ID, see appldata_base.c) needs to be changed - * as well and all documentation and z/VM applications using it must be updated. - * - * The record layout is documented in the Linux for zSeries Device Drivers - * book: - * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml - */ -static struct appldata_net_sum_data { - u64 timestamp; - u32 sync_count_1; /* after VM collected the record data, */ - u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the - same. If not, the record has been updated on - the Linux side while VM was collecting the - (possibly corrupt) data */ - - u32 nr_interfaces; /* nr. of network interfaces being monitored */ - - u32 padding; /* next value is 64-bit aligned, so these */ - /* 4 byte would be padded out by compiler */ - - u64 rx_packets; /* total packets received */ - u64 tx_packets; /* total packets transmitted */ - u64 rx_bytes; /* total bytes received */ - u64 tx_bytes; /* total bytes transmitted */ - u64 rx_errors; /* bad packets received */ - u64 tx_errors; /* packet transmit problems */ - u64 rx_dropped; /* no space in linux buffers */ - u64 tx_dropped; /* no space available in linux */ - u64 collisions; /* collisions while transmitting */ -} __attribute__((packed)) appldata_net_sum_data; - - -/* - * appldata_get_net_sum_data() - * - * gather accumulated network statistics - */ -static void appldata_get_net_sum_data(void *data) -{ - int i; - struct appldata_net_sum_data *net_data; - struct net_device *dev; - unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes, rx_errors, - tx_errors, rx_dropped, tx_dropped, collisions; - - net_data = data; - net_data->sync_count_1++; - - i = 0; - rx_packets = 0; - tx_packets = 0; - rx_bytes = 0; - tx_bytes = 0; - rx_errors = 0; - tx_errors = 0; - rx_dropped = 0; - tx_dropped = 0; - collisions = 0; - - rcu_read_lock(); - for_each_netdev_rcu(&init_net, dev) { - const struct rtnl_link_stats64 *stats; - struct rtnl_link_stats64 temp; - - stats = dev_get_stats(dev, &temp); - rx_packets += stats->rx_packets; - tx_packets += stats->tx_packets; - rx_bytes += stats->rx_bytes; - tx_bytes += stats->tx_bytes; - rx_errors += stats->rx_errors; - tx_errors += stats->tx_errors; - rx_dropped += stats->rx_dropped; - tx_dropped += stats->tx_dropped; - collisions += stats->collisions; - i++; - } - rcu_read_unlock(); - - net_data->nr_interfaces = i; - net_data->rx_packets = rx_packets; - net_data->tx_packets = tx_packets; - net_data->rx_bytes = rx_bytes; - net_data->tx_bytes = tx_bytes; - net_data->rx_errors = rx_errors; - net_data->tx_errors = tx_errors; - net_data->rx_dropped = rx_dropped; - net_data->tx_dropped = tx_dropped; - net_data->collisions = collisions; - - net_data->timestamp = get_clock(); - net_data->sync_count_2++; -} - - -static struct appldata_ops ops = { - .name = "net_sum", - .record_nr = APPLDATA_RECORD_NET_SUM_ID, - .size = sizeof(struct appldata_net_sum_data), - .callback = &appldata_get_net_sum_data, - .data = &appldata_net_sum_data, - .owner = THIS_MODULE, - .mod_lvl = {0xF0, 0xF0}, /* EBCDIC "00" */ -}; - - -/* - * appldata_net_init() - * - * init data, register ops - */ -static int __init appldata_net_init(void) -{ - return appldata_register_ops(&ops); -} - -/* - * appldata_net_exit() - * - * unregister ops - */ -static void __exit appldata_net_exit(void) -{ - appldata_unregister_ops(&ops); -} - - -module_init(appldata_net_init); -module_exit(appldata_net_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gerald Schaefer"); -MODULE_DESCRIPTION("Linux-VM Monitor Stream, accumulated network statistics"); diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_os.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_os.c deleted file mode 100644 index 4de031d6..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_os.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * arch/s390/appldata/appldata_os.c - * - * Data gathering module for Linux-VM Monitor Stream, Stage 1. - * Collects misc. OS related data (CPU utilization, running processes). - * - * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#define KMSG_COMPONENT "appldata" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/kernel_stat.h> -#include <linux/netdevice.h> -#include <linux/sched.h> -#include <asm/appldata.h> -#include <asm/smp.h> - -#include "appldata.h" - - -#define LOAD_INT(x) ((x) >> FSHIFT) -#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) - -/* - * OS data - * - * This is accessed as binary data by z/VM. If changes to it can't be avoided, - * the structure version (product ID, see appldata_base.c) needs to be changed - * as well and all documentation and z/VM applications using it must be - * updated. - * - * The record layout is documented in the Linux for zSeries Device Drivers - * book: - * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml - */ -struct appldata_os_per_cpu { - u32 per_cpu_user; /* timer ticks spent in user mode */ - u32 per_cpu_nice; /* ... spent with modified priority */ - u32 per_cpu_system; /* ... spent in kernel mode */ - u32 per_cpu_idle; /* ... spent in idle mode */ - - /* New in 2.6 */ - u32 per_cpu_irq; /* ... spent in interrupts */ - u32 per_cpu_softirq; /* ... spent in softirqs */ - u32 per_cpu_iowait; /* ... spent while waiting for I/O */ - - /* New in modification level 01 */ - u32 per_cpu_steal; /* ... stolen by hypervisor */ - u32 cpu_id; /* number of this CPU */ -} __attribute__((packed)); - -struct appldata_os_data { - u64 timestamp; - u32 sync_count_1; /* after VM collected the record data, */ - u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the - same. If not, the record has been updated on - the Linux side while VM was collecting the - (possibly corrupt) data */ - - u32 nr_cpus; /* number of (virtual) CPUs */ - u32 per_cpu_size; /* size of the per-cpu data struct */ - u32 cpu_offset; /* offset of the first per-cpu data struct */ - - u32 nr_running; /* number of runnable threads */ - u32 nr_threads; /* number of threads */ - u32 avenrun[3]; /* average nr. of running processes during */ - /* the last 1, 5 and 15 minutes */ - - /* New in 2.6 */ - u32 nr_iowait; /* number of blocked threads - (waiting for I/O) */ - - /* per cpu data */ - struct appldata_os_per_cpu os_cpu[0]; -} __attribute__((packed)); - -static struct appldata_os_data *appldata_os_data; - -static struct appldata_ops ops = { - .name = "os", - .record_nr = APPLDATA_RECORD_OS_ID, - .owner = THIS_MODULE, - .mod_lvl = {0xF0, 0xF1}, /* EBCDIC "01" */ -}; - - -/* - * appldata_get_os_data() - * - * gather OS data - */ -static void appldata_get_os_data(void *data) -{ - int i, j, rc; - struct appldata_os_data *os_data; - unsigned int new_size; - - os_data = data; - os_data->sync_count_1++; - - os_data->nr_threads = nr_threads; - os_data->nr_running = nr_running(); - os_data->nr_iowait = nr_iowait(); - os_data->avenrun[0] = avenrun[0] + (FIXED_1/200); - os_data->avenrun[1] = avenrun[1] + (FIXED_1/200); - os_data->avenrun[2] = avenrun[2] + (FIXED_1/200); - - j = 0; - for_each_online_cpu(i) { - os_data->os_cpu[j].per_cpu_user = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_USER]); - os_data->os_cpu[j].per_cpu_nice = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_NICE]); - os_data->os_cpu[j].per_cpu_system = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]); - os_data->os_cpu[j].per_cpu_idle = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_IDLE]); - os_data->os_cpu[j].per_cpu_irq = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_IRQ]); - os_data->os_cpu[j].per_cpu_softirq = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]); - os_data->os_cpu[j].per_cpu_iowait = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_IOWAIT]); - os_data->os_cpu[j].per_cpu_steal = - cputime_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_STEAL]); - os_data->os_cpu[j].cpu_id = i; - j++; - } - - os_data->nr_cpus = j; - - new_size = sizeof(struct appldata_os_data) + - (os_data->nr_cpus * sizeof(struct appldata_os_per_cpu)); - if (ops.size != new_size) { - if (ops.active) { - rc = appldata_diag(APPLDATA_RECORD_OS_ID, - APPLDATA_START_INTERVAL_REC, - (unsigned long) ops.data, new_size, - ops.mod_lvl); - if (rc != 0) - pr_err("Starting a new OS data collection " - "failed with rc=%d\n", rc); - - rc = appldata_diag(APPLDATA_RECORD_OS_ID, - APPLDATA_STOP_REC, - (unsigned long) ops.data, ops.size, - ops.mod_lvl); - if (rc != 0) - pr_err("Stopping a faulty OS data " - "collection failed with rc=%d\n", rc); - } - ops.size = new_size; - } - os_data->timestamp = get_clock(); - os_data->sync_count_2++; -} - - -/* - * appldata_os_init() - * - * init data, register ops - */ -static int __init appldata_os_init(void) -{ - int rc, max_size; - - max_size = sizeof(struct appldata_os_data) + - (NR_CPUS * sizeof(struct appldata_os_per_cpu)); - if (max_size > APPLDATA_MAX_REC_SIZE) { - pr_err("Maximum OS record size %i exceeds the maximum " - "record size %i\n", max_size, APPLDATA_MAX_REC_SIZE); - rc = -ENOMEM; - goto out; - } - - appldata_os_data = kzalloc(max_size, GFP_KERNEL | GFP_DMA); - if (appldata_os_data == NULL) { - rc = -ENOMEM; - goto out; - } - - appldata_os_data->per_cpu_size = sizeof(struct appldata_os_per_cpu); - appldata_os_data->cpu_offset = offsetof(struct appldata_os_data, - os_cpu); - - ops.data = appldata_os_data; - ops.callback = &appldata_get_os_data; - rc = appldata_register_ops(&ops); - if (rc != 0) - kfree(appldata_os_data); -out: - return rc; -} - -/* - * appldata_os_exit() - * - * unregister ops - */ -static void __exit appldata_os_exit(void) -{ - appldata_unregister_ops(&ops); - kfree(appldata_os_data); -} - - -module_init(appldata_os_init); -module_exit(appldata_os_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gerald Schaefer"); -MODULE_DESCRIPTION("Linux-VM Monitor Stream, OS statistics"); diff --git a/ANDROID_3.4.5/arch/s390/boot/Makefile b/ANDROID_3.4.5/arch/s390/boot/Makefile deleted file mode 100644 index f2737a00..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# Makefile for the linux s390-specific parts of the memory manager. -# - -COMPILE_VERSION := __linux_compile_version_id__`hostname | \ - tr -c '[0-9A-Za-z]' '_'`__`date | \ - tr -c '[0-9A-Za-z]' '_'`_t - -ccflags-y := -DCOMPILE_VERSION=$(COMPILE_VERSION) -gstabs -I. - -targets := image -targets += bzImage -subdir- := compressed - -$(obj)/image: vmlinux FORCE - $(call if_changed,objcopy) - -$(obj)/bzImage: $(obj)/compressed/vmlinux FORCE - $(call if_changed,objcopy) - -$(obj)/compressed/vmlinux: FORCE - $(Q)$(MAKE) $(build)=$(obj)/compressed $@ - -install: $(CONFIGURE) $(obj)/image - sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/image \ - System.map "$(INSTALL_PATH)" diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/Makefile b/ANDROID_3.4.5/arch/s390/boot/compressed/Makefile deleted file mode 100644 index 10e22c4e..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/Makefile +++ /dev/null @@ -1,67 +0,0 @@ -# -# linux/arch/s390/boot/compressed/Makefile -# -# create a compressed vmlinux image from the original vmlinux -# - -BITS := $(if $(CONFIG_64BIT),64,31) - -targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o \ - sizes.h head$(BITS).o - -KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 -KBUILD_CFLAGS += $(cflags-y) -KBUILD_CFLAGS += $(call cc-option,-mpacked-stack) -KBUILD_CFLAGS += $(call cc-option,-ffreestanding) - -GCOV_PROFILE := n - -OBJECTS := $(addprefix $(objtree)/arch/s390/kernel/, head.o sclp.o ebcdic.o) -OBJECTS += $(obj)/head$(BITS).o $(obj)/misc.o $(obj)/piggy.o - -LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T -$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) - $(call if_changed,ld) - @: - -sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\)$$/\#define SZ\2 0x\1/p' - -quiet_cmd_sizes = GEN $@ - cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@ - -$(obj)/sizes.h: vmlinux - $(call if_changed,sizes) - -AFLAGS_head$(BITS).o += -I$(obj) -$(obj)/head$(BITS).o: $(obj)/sizes.h - -CFLAGS_misc.o += -I$(obj) -$(obj)/misc.o: $(obj)/sizes.h - -OBJCOPYFLAGS_vmlinux.bin := -R .comment -S -$(obj)/vmlinux.bin: vmlinux - $(call if_changed,objcopy) - -vmlinux.bin.all-y := $(obj)/vmlinux.bin - -suffix-$(CONFIG_KERNEL_GZIP) := gz -suffix-$(CONFIG_KERNEL_BZIP2) := bz2 -suffix-$(CONFIG_KERNEL_LZMA) := lzma -suffix-$(CONFIG_KERNEL_LZO) := lzo -suffix-$(CONFIG_KERNEL_XZ) := xz - -$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) - $(call if_changed,gzip) -$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) - $(call if_changed,bzip2) -$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) - $(call if_changed,lzma) -$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) - $(call if_changed,lzo) -$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) - $(call if_changed,xzkern) - -LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) - $(call if_changed,ld) diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/head31.S b/ANDROID_3.4.5/arch/s390/boot/compressed/head31.S deleted file mode 100644 index e8c9e18b..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/head31.S +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Startup glue code to uncompress the kernel - * - * Copyright IBM Corp. 2010 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> -#include "sizes.h" - -__HEAD -ENTRY(startup_continue) - basr %r13,0 # get base -.LPG1: - # setup stack - l %r15,.Lstack-.LPG1(%r13) - ahi %r15,-96 - l %r1,.Ldecompress-.LPG1(%r13) - basr %r14,%r1 - # setup registers for memory mover & branch to target - lr %r4,%r2 - l %r2,.Loffset-.LPG1(%r13) - la %r4,0(%r2,%r4) - l %r3,.Lmvsize-.LPG1(%r13) - lr %r5,%r3 - # move the memory mover someplace safe - la %r1,0x200 - mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13) - # decompress image is started at 0x11000 - lr %r6,%r2 - br %r1 -mover: - mvcle %r2,%r4,0 - jo mover - br %r6 -mover_end: - - .align 8 -.Lstack: - .long 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER)) -.Ldecompress: - .long decompress_kernel -.Loffset: - .long 0x11000 -.Lmvsize: - .long SZ__bss_start diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/head64.S b/ANDROID_3.4.5/arch/s390/boot/compressed/head64.S deleted file mode 100644 index f86a4eef..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/head64.S +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Startup glue code to uncompress the kernel - * - * Copyright IBM Corp. 2010 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> -#include "sizes.h" - -__HEAD -ENTRY(startup_continue) - basr %r13,0 # get base -.LPG1: - # setup stack - lg %r15,.Lstack-.LPG1(%r13) - aghi %r15,-160 - brasl %r14,decompress_kernel - # setup registers for memory mover & branch to target - lgr %r4,%r2 - lg %r2,.Loffset-.LPG1(%r13) - la %r4,0(%r2,%r4) - lg %r3,.Lmvsize-.LPG1(%r13) - lgr %r5,%r3 - # move the memory mover someplace safe - la %r1,0x200 - mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13) - # decompress image is started at 0x11000 - lgr %r6,%r2 - br %r1 -mover: - mvcle %r2,%r4,0 - jo mover - br %r6 -mover_end: - - .align 8 -.Lstack: - .quad 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER)) -.Loffset: - .quad 0x11000 -.Lmvsize: - .quad SZ__bss_start diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/misc.c b/ANDROID_3.4.5/arch/s390/boot/compressed/misc.c deleted file mode 100644 index 465eca75..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/misc.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Definitions and wrapper functions for kernel decompressor - * - * Copyright IBM Corp. 2010 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <asm/uaccess.h> -#include <asm/page.h> -#include <asm/ipl.h> -#include "sizes.h" - -/* - * gzip declarations - */ -#define STATIC static - -#undef memset -#undef memcpy -#undef memmove -#define memmove memmove -#define memzero(s, n) memset((s), 0, (n)) - -/* Symbols defined by linker scripts */ -extern char input_data[]; -extern int input_len; -extern char _text, _end; -extern char _bss, _ebss; - -static void error(char *m); - -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - -#ifdef CONFIG_HAVE_KERNEL_BZIP2 -#define HEAP_SIZE 0x400000 -#else -#define HEAP_SIZE 0x10000 -#endif - -#ifdef CONFIG_KERNEL_GZIP -#include "../../../../lib/decompress_inflate.c" -#endif - -#ifdef CONFIG_KERNEL_BZIP2 -#include "../../../../lib/decompress_bunzip2.c" -#endif - -#ifdef CONFIG_KERNEL_LZMA -#include "../../../../lib/decompress_unlzma.c" -#endif - -#ifdef CONFIG_KERNEL_LZO -#include "../../../../lib/decompress_unlzo.c" -#endif - -#ifdef CONFIG_KERNEL_XZ -#include "../../../../lib/decompress_unxz.c" -#endif - -extern _sclp_print_early(const char *); - -static int puts(const char *s) -{ - _sclp_print_early(s); - return 0; -} - -void *memset(void *s, int c, size_t n) -{ - char *xs; - - if (c == 0) - return __builtin_memset(s, 0, n); - - xs = (char *) s; - if (n > 0) - do { - *xs++ = c; - } while (--n > 0); - return s; -} - -void *memcpy(void *__dest, __const void *__src, size_t __n) -{ - return __builtin_memcpy(__dest, __src, __n); -} - -void *memmove(void *__dest, __const void *__src, size_t __n) -{ - char *d; - const char *s; - - if (__dest <= __src) - return __builtin_memcpy(__dest, __src, __n); - d = __dest + __n; - s = __src + __n; - while (__n--) - *--d = *--s; - return __dest; -} - -static void error(char *x) -{ - unsigned long long psw = 0x000a0000deadbeefULL; - - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - asm volatile("lpsw %0" : : "Q" (psw)); -} - -/* - * Safe guard the ipl parameter block against a memory area that will be - * overwritten. The validity check for the ipl parameter block is complex - * (see cio_get_iplinfo and ipl_save_parameters) but if the pointer to - * the ipl parameter block intersects with the passed memory area we can - * safely assume that we can read from that memory. In that case just copy - * the memory to IPL_PARMBLOCK_ORIGIN even if there is no ipl parameter - * block. - */ -static void check_ipl_parmblock(void *start, unsigned long size) -{ - void *src, *dst; - - src = (void *)(unsigned long) S390_lowcore.ipl_parmblock_ptr; - if (src + PAGE_SIZE <= start || src >= start + size) - return; - dst = (void *) IPL_PARMBLOCK_ORIGIN; - memmove(dst, src, PAGE_SIZE); - S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN; -} - -unsigned long decompress_kernel(void) -{ - unsigned long output_addr; - unsigned char *output; - - output_addr = ((unsigned long) &_end + HEAP_SIZE + 4095UL) & -4096UL; - check_ipl_parmblock((void *) 0, output_addr + SZ__bss_start); - memset(&_bss, 0, &_ebss - &_bss); - free_mem_ptr = (unsigned long)&_end; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - output = (unsigned char *) output_addr; - -#ifdef CONFIG_BLK_DEV_INITRD - /* - * Move the initrd right behind the end of the decompressed - * kernel image. - */ - if (INITRD_START && INITRD_SIZE && - INITRD_START < (unsigned long) output + SZ__bss_start) { - check_ipl_parmblock(output + SZ__bss_start, - INITRD_START + INITRD_SIZE); - memmove(output + SZ__bss_start, - (void *) INITRD_START, INITRD_SIZE); - INITRD_START = (unsigned long) output + SZ__bss_start; - } -#endif - - puts("Uncompressing Linux... "); - decompress(input_data, input_len, NULL, NULL, output, NULL, error); - puts("Ok, booting the kernel.\n"); - return (unsigned long) output; -} - diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.lds.S b/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.lds.S deleted file mode 100644 index d80f79d8..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.lds.S +++ /dev/null @@ -1,55 +0,0 @@ -#include <asm-generic/vmlinux.lds.h> - -#ifdef CONFIG_64BIT -OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") -OUTPUT_ARCH(s390:64-bit) -#else -OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") -OUTPUT_ARCH(s390) -#endif - -ENTRY(startup) - -SECTIONS -{ - /* Be careful parts of head_64.S assume startup_32 is at - * address 0. - */ - . = 0; - .head.text : { - _head = . ; - HEAD_TEXT - _ehead = . ; - } - .rodata.compressed : { - *(.rodata.compressed) - } - .text : { - _text = .; /* Text */ - *(.text) - *(.text.*) - _etext = . ; - } - .rodata : { - _rodata = . ; - *(.rodata) /* read-only data */ - *(.rodata.*) - _erodata = . ; - } - .data : { - _data = . ; - *(.data) - *(.data.*) - _edata = . ; - } - . = ALIGN(256); - .bss : { - _bss = . ; - *(.bss) - *(.bss.*) - *(COMMON) - . = ALIGN(8); /* For convenience during zeroing */ - _ebss = .; - } - _end = .; -} diff --git a/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.scr b/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.scr deleted file mode 100644 index f02382ae..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/compressed/vmlinux.scr +++ /dev/null @@ -1,10 +0,0 @@ -SECTIONS -{ - .rodata.compressed : { - input_len = .; - LONG(input_data_end - input_data) input_data = .; - *(.data) - output_len = . - 4; - input_data_end = .; - } -} diff --git a/ANDROID_3.4.5/arch/s390/boot/install.sh b/ANDROID_3.4.5/arch/s390/boot/install.sh deleted file mode 100644 index aed30696..00000000 --- a/ANDROID_3.4.5/arch/s390/boot/install.sh +++ /dev/null @@ -1,38 +0,0 @@ -#!/bin/sh -# -# arch/s390x/boot/install.sh -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# -# Copyright (C) 1995 by Linus Torvalds -# -# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin -# -# "make install" script for s390 architecture -# -# Arguments: -# $1 - kernel version -# $2 - kernel image file -# $3 - kernel map file -# $4 - default install path (blank if root directory) -# - -# User may have a custom install script - -if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi -if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi - -# Default install - same as make zlilo - -if [ -f $4/vmlinuz ]; then - mv $4/vmlinuz $4/vmlinuz.old -fi - -if [ -f $4/System.map ]; then - mv $4/System.map $4/System.old -fi - -cat $2 > $4/vmlinuz -cp $3 $4/System.map diff --git a/ANDROID_3.4.5/arch/s390/crypto/Makefile b/ANDROID_3.4.5/arch/s390/crypto/Makefile deleted file mode 100644 index 7f0b7cda..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Cryptographic API -# - -obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o sha_common.o -obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o sha_common.o -obj-$(CONFIG_CRYPTO_SHA512_S390) += sha512_s390.o sha_common.o -obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o -obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o -obj-$(CONFIG_S390_PRNG) += prng.o -obj-$(CONFIG_CRYPTO_GHASH_S390) += ghash_s390.o diff --git a/ANDROID_3.4.5/arch/s390/crypto/aes_s390.c b/ANDROID_3.4.5/arch/s390/crypto/aes_s390.c deleted file mode 100644 index a9ce1358..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/aes_s390.c +++ /dev/null @@ -1,937 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the AES Cipher Algorithm. - * - * s390 Version: - * Copyright IBM Corp. 2005,2007 - * Author(s): Jan Glauber (jang@de.ibm.com) - * Sebastian Siewior (sebastian@breakpoint.cc> SW-Fallback - * - * Derived from "crypto/aes_generic.c" - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ - -#define KMSG_COMPONENT "aes_s390" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <crypto/aes.h> -#include <crypto/algapi.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include "crypt_s390.h" - -#define AES_KEYLEN_128 1 -#define AES_KEYLEN_192 2 -#define AES_KEYLEN_256 4 - -static u8 *ctrblk; -static char keylen_flag; - -struct s390_aes_ctx { - u8 iv[AES_BLOCK_SIZE]; - u8 key[AES_MAX_KEY_SIZE]; - long enc; - long dec; - int key_len; - union { - struct crypto_blkcipher *blk; - struct crypto_cipher *cip; - } fallback; -}; - -struct pcc_param { - u8 key[32]; - u8 tweak[16]; - u8 block[16]; - u8 bit[16]; - u8 xts[16]; -}; - -struct s390_xts_ctx { - u8 key[32]; - u8 xts_param[16]; - struct pcc_param pcc; - long enc; - long dec; - int key_len; - struct crypto_blkcipher *fallback; -}; - -/* - * Check if the key_len is supported by the HW. - * Returns 0 if it is, a positive number if it is not and software fallback is - * required or a negative number in case the key size is not valid - */ -static int need_fallback(unsigned int key_len) -{ - switch (key_len) { - case 16: - if (!(keylen_flag & AES_KEYLEN_128)) - return 1; - break; - case 24: - if (!(keylen_flag & AES_KEYLEN_192)) - return 1; - break; - case 32: - if (!(keylen_flag & AES_KEYLEN_256)) - return 1; - break; - default: - return -1; - break; - } - return 0; -} - -static int setkey_fallback_cip(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - int ret; - - sctx->fallback.cip->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK; - sctx->fallback.cip->base.crt_flags |= (tfm->crt_flags & - CRYPTO_TFM_REQ_MASK); - - ret = crypto_cipher_setkey(sctx->fallback.cip, in_key, key_len); - if (ret) { - tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; - tfm->crt_flags |= (sctx->fallback.cip->base.crt_flags & - CRYPTO_TFM_RES_MASK); - } - return ret; -} - -static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - int ret; - - ret = need_fallback(key_len); - if (ret < 0) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - sctx->key_len = key_len; - if (!ret) { - memcpy(sctx->key, in_key, key_len); - return 0; - } - - return setkey_fallback_cip(tfm, in_key, key_len); -} - -static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - const struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - if (unlikely(need_fallback(sctx->key_len))) { - crypto_cipher_encrypt_one(sctx->fallback.cip, out, in); - return; - } - - switch (sctx->key_len) { - case 16: - crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - case 24: - crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - case 32: - crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - } -} - -static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - const struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - if (unlikely(need_fallback(sctx->key_len))) { - crypto_cipher_decrypt_one(sctx->fallback.cip, out, in); - return; - } - - switch (sctx->key_len) { - case 16: - crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - case 24: - crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - case 32: - crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, - AES_BLOCK_SIZE); - break; - } -} - -static int fallback_init_cip(struct crypto_tfm *tfm) -{ - const char *name = tfm->__crt_alg->cra_name; - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - sctx->fallback.cip = crypto_alloc_cipher(name, 0, - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK); - - if (IS_ERR(sctx->fallback.cip)) { - pr_err("Allocating AES fallback algorithm %s failed\n", - name); - return PTR_ERR(sctx->fallback.cip); - } - - return 0; -} - -static void fallback_exit_cip(struct crypto_tfm *tfm) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - crypto_free_cipher(sctx->fallback.cip); - sctx->fallback.cip = NULL; -} - -static struct crypto_alg aes_alg = { - .cra_name = "aes", - .cra_driver_name = "aes-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER | - CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_aes_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), - .cra_init = fallback_init_cip, - .cra_exit = fallback_exit_cip, - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - } - } -}; - -static int setkey_fallback_blk(struct crypto_tfm *tfm, const u8 *key, - unsigned int len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - unsigned int ret; - - sctx->fallback.blk->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK; - sctx->fallback.blk->base.crt_flags |= (tfm->crt_flags & - CRYPTO_TFM_REQ_MASK); - - ret = crypto_blkcipher_setkey(sctx->fallback.blk, key, len); - if (ret) { - tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; - tfm->crt_flags |= (sctx->fallback.blk->base.crt_flags & - CRYPTO_TFM_RES_MASK); - } - return ret; -} - -static int fallback_blk_dec(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - unsigned int ret; - struct crypto_blkcipher *tfm; - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - - tfm = desc->tfm; - desc->tfm = sctx->fallback.blk; - - ret = crypto_blkcipher_decrypt_iv(desc, dst, src, nbytes); - - desc->tfm = tfm; - return ret; -} - -static int fallback_blk_enc(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - unsigned int ret; - struct crypto_blkcipher *tfm; - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - - tfm = desc->tfm; - desc->tfm = sctx->fallback.blk; - - ret = crypto_blkcipher_encrypt_iv(desc, dst, src, nbytes); - - desc->tfm = tfm; - return ret; -} - -static int ecb_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - int ret; - - ret = need_fallback(key_len); - if (ret > 0) { - sctx->key_len = key_len; - return setkey_fallback_blk(tfm, in_key, key_len); - } - - switch (key_len) { - case 16: - sctx->enc = KM_AES_128_ENCRYPT; - sctx->dec = KM_AES_128_DECRYPT; - break; - case 24: - sctx->enc = KM_AES_192_ENCRYPT; - sctx->dec = KM_AES_192_DECRYPT; - break; - case 32: - sctx->enc = KM_AES_256_ENCRYPT; - sctx->dec = KM_AES_256_DECRYPT; - break; - } - - return aes_set_key(tfm, in_key, key_len); -} - -static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param, - struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt(desc, walk); - unsigned int nbytes; - - while ((nbytes = walk->nbytes)) { - /* only use complete blocks */ - unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); - u8 *out = walk->dst.virt.addr; - u8 *in = walk->src.virt.addr; - - ret = crypt_s390_km(func, param, out, in, n); - BUG_ON((ret < 0) || (ret != n)); - - nbytes &= AES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, walk, nbytes); - } - - return ret; -} - -static int ecb_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(need_fallback(sctx->key_len))) - return fallback_blk_enc(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_aes_crypt(desc, sctx->enc, sctx->key, &walk); -} - -static int ecb_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(need_fallback(sctx->key_len))) - return fallback_blk_dec(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_aes_crypt(desc, sctx->dec, sctx->key, &walk); -} - -static int fallback_init_blk(struct crypto_tfm *tfm) -{ - const char *name = tfm->__crt_alg->cra_name; - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - sctx->fallback.blk = crypto_alloc_blkcipher(name, 0, - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK); - - if (IS_ERR(sctx->fallback.blk)) { - pr_err("Allocating AES fallback algorithm %s failed\n", - name); - return PTR_ERR(sctx->fallback.blk); - } - - return 0; -} - -static void fallback_exit_blk(struct crypto_tfm *tfm) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - crypto_free_blkcipher(sctx->fallback.blk); - sctx->fallback.blk = NULL; -} - -static struct crypto_alg ecb_aes_alg = { - .cra_name = "ecb(aes)", - .cra_driver_name = "ecb-aes-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ecb_aes_alg.cra_list), - .cra_init = fallback_init_blk, - .cra_exit = fallback_exit_blk, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = ecb_aes_set_key, - .encrypt = ecb_aes_encrypt, - .decrypt = ecb_aes_decrypt, - } - } -}; - -static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - int ret; - - ret = need_fallback(key_len); - if (ret > 0) { - sctx->key_len = key_len; - return setkey_fallback_blk(tfm, in_key, key_len); - } - - switch (key_len) { - case 16: - sctx->enc = KMC_AES_128_ENCRYPT; - sctx->dec = KMC_AES_128_DECRYPT; - break; - case 24: - sctx->enc = KMC_AES_192_ENCRYPT; - sctx->dec = KMC_AES_192_DECRYPT; - break; - case 32: - sctx->enc = KMC_AES_256_ENCRYPT; - sctx->dec = KMC_AES_256_DECRYPT; - break; - } - - return aes_set_key(tfm, in_key, key_len); -} - -static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param, - struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt(desc, walk); - unsigned int nbytes = walk->nbytes; - - if (!nbytes) - goto out; - - memcpy(param, walk->iv, AES_BLOCK_SIZE); - do { - /* only use complete blocks */ - unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); - u8 *out = walk->dst.virt.addr; - u8 *in = walk->src.virt.addr; - - ret = crypt_s390_kmc(func, param, out, in, n); - BUG_ON((ret < 0) || (ret != n)); - - nbytes &= AES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, walk, nbytes); - } while ((nbytes = walk->nbytes)); - memcpy(walk->iv, param, AES_BLOCK_SIZE); - -out: - return ret; -} - -static int cbc_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(need_fallback(sctx->key_len))) - return fallback_blk_enc(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk); -} - -static int cbc_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(need_fallback(sctx->key_len))) - return fallback_blk_dec(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk); -} - -static struct crypto_alg cbc_aes_alg = { - .cra_name = "cbc(aes)", - .cra_driver_name = "cbc-aes-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(cbc_aes_alg.cra_list), - .cra_init = fallback_init_blk, - .cra_exit = fallback_exit_blk, - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = cbc_aes_set_key, - .encrypt = cbc_aes_encrypt, - .decrypt = cbc_aes_decrypt, - } - } -}; - -static int xts_fallback_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int len) -{ - struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm); - unsigned int ret; - - xts_ctx->fallback->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK; - xts_ctx->fallback->base.crt_flags |= (tfm->crt_flags & - CRYPTO_TFM_REQ_MASK); - - ret = crypto_blkcipher_setkey(xts_ctx->fallback, key, len); - if (ret) { - tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; - tfm->crt_flags |= (xts_ctx->fallback->base.crt_flags & - CRYPTO_TFM_RES_MASK); - } - return ret; -} - -static int xts_fallback_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm); - struct crypto_blkcipher *tfm; - unsigned int ret; - - tfm = desc->tfm; - desc->tfm = xts_ctx->fallback; - - ret = crypto_blkcipher_decrypt_iv(desc, dst, src, nbytes); - - desc->tfm = tfm; - return ret; -} - -static int xts_fallback_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm); - struct crypto_blkcipher *tfm; - unsigned int ret; - - tfm = desc->tfm; - desc->tfm = xts_ctx->fallback; - - ret = crypto_blkcipher_encrypt_iv(desc, dst, src, nbytes); - - desc->tfm = tfm; - return ret; -} - -static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - switch (key_len) { - case 32: - xts_ctx->enc = KM_XTS_128_ENCRYPT; - xts_ctx->dec = KM_XTS_128_DECRYPT; - memcpy(xts_ctx->key + 16, in_key, 16); - memcpy(xts_ctx->pcc.key + 16, in_key + 16, 16); - break; - case 48: - xts_ctx->enc = 0; - xts_ctx->dec = 0; - xts_fallback_setkey(tfm, in_key, key_len); - break; - case 64: - xts_ctx->enc = KM_XTS_256_ENCRYPT; - xts_ctx->dec = KM_XTS_256_DECRYPT; - memcpy(xts_ctx->key, in_key, 32); - memcpy(xts_ctx->pcc.key, in_key + 32, 32); - break; - default: - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - xts_ctx->key_len = key_len; - return 0; -} - -static int xts_aes_crypt(struct blkcipher_desc *desc, long func, - struct s390_xts_ctx *xts_ctx, - struct blkcipher_walk *walk) -{ - unsigned int offset = (xts_ctx->key_len >> 1) & 0x10; - int ret = blkcipher_walk_virt(desc, walk); - unsigned int nbytes = walk->nbytes; - unsigned int n; - u8 *in, *out; - void *param; - - if (!nbytes) - goto out; - - memset(xts_ctx->pcc.block, 0, sizeof(xts_ctx->pcc.block)); - memset(xts_ctx->pcc.bit, 0, sizeof(xts_ctx->pcc.bit)); - memset(xts_ctx->pcc.xts, 0, sizeof(xts_ctx->pcc.xts)); - memcpy(xts_ctx->pcc.tweak, walk->iv, sizeof(xts_ctx->pcc.tweak)); - param = xts_ctx->pcc.key + offset; - ret = crypt_s390_pcc(func, param); - BUG_ON(ret < 0); - - memcpy(xts_ctx->xts_param, xts_ctx->pcc.xts, 16); - param = xts_ctx->key + offset; - do { - /* only use complete blocks */ - n = nbytes & ~(AES_BLOCK_SIZE - 1); - out = walk->dst.virt.addr; - in = walk->src.virt.addr; - - ret = crypt_s390_km(func, param, out, in, n); - BUG_ON(ret < 0 || ret != n); - - nbytes &= AES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, walk, nbytes); - } while ((nbytes = walk->nbytes)); -out: - return ret; -} - -static int xts_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(xts_ctx->key_len == 48)) - return xts_fallback_encrypt(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return xts_aes_crypt(desc, xts_ctx->enc, xts_ctx, &walk); -} - -static int xts_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - if (unlikely(xts_ctx->key_len == 48)) - return xts_fallback_decrypt(desc, dst, src, nbytes); - - blkcipher_walk_init(&walk, dst, src, nbytes); - return xts_aes_crypt(desc, xts_ctx->dec, xts_ctx, &walk); -} - -static int xts_fallback_init(struct crypto_tfm *tfm) -{ - const char *name = tfm->__crt_alg->cra_name; - struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm); - - xts_ctx->fallback = crypto_alloc_blkcipher(name, 0, - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK); - - if (IS_ERR(xts_ctx->fallback)) { - pr_err("Allocating XTS fallback algorithm %s failed\n", - name); - return PTR_ERR(xts_ctx->fallback); - } - return 0; -} - -static void xts_fallback_exit(struct crypto_tfm *tfm) -{ - struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm); - - crypto_free_blkcipher(xts_ctx->fallback); - xts_ctx->fallback = NULL; -} - -static struct crypto_alg xts_aes_alg = { - .cra_name = "xts(aes)", - .cra_driver_name = "xts-aes-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_xts_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(xts_aes_alg.cra_list), - .cra_init = xts_fallback_init, - .cra_exit = xts_fallback_exit, - .cra_u = { - .blkcipher = { - .min_keysize = 2 * AES_MIN_KEY_SIZE, - .max_keysize = 2 * AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = xts_aes_set_key, - .encrypt = xts_aes_encrypt, - .decrypt = xts_aes_decrypt, - } - } -}; - -static int ctr_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - - switch (key_len) { - case 16: - sctx->enc = KMCTR_AES_128_ENCRYPT; - sctx->dec = KMCTR_AES_128_DECRYPT; - break; - case 24: - sctx->enc = KMCTR_AES_192_ENCRYPT; - sctx->dec = KMCTR_AES_192_DECRYPT; - break; - case 32: - sctx->enc = KMCTR_AES_256_ENCRYPT; - sctx->dec = KMCTR_AES_256_DECRYPT; - break; - } - - return aes_set_key(tfm, in_key, key_len); -} - -static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, - struct s390_aes_ctx *sctx, struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt_block(desc, walk, AES_BLOCK_SIZE); - unsigned int i, n, nbytes; - u8 buf[AES_BLOCK_SIZE]; - u8 *out, *in; - - if (!walk->nbytes) - return ret; - - memcpy(ctrblk, walk->iv, AES_BLOCK_SIZE); - while ((nbytes = walk->nbytes) >= AES_BLOCK_SIZE) { - out = walk->dst.virt.addr; - in = walk->src.virt.addr; - while (nbytes >= AES_BLOCK_SIZE) { - /* only use complete blocks, max. PAGE_SIZE */ - n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : - nbytes & ~(AES_BLOCK_SIZE - 1); - for (i = AES_BLOCK_SIZE; i < n; i += AES_BLOCK_SIZE) { - memcpy(ctrblk + i, ctrblk + i - AES_BLOCK_SIZE, - AES_BLOCK_SIZE); - crypto_inc(ctrblk + i, AES_BLOCK_SIZE); - } - ret = crypt_s390_kmctr(func, sctx->key, out, in, n, ctrblk); - BUG_ON(ret < 0 || ret != n); - if (n > AES_BLOCK_SIZE) - memcpy(ctrblk, ctrblk + n - AES_BLOCK_SIZE, - AES_BLOCK_SIZE); - crypto_inc(ctrblk, AES_BLOCK_SIZE); - out += n; - in += n; - nbytes -= n; - } - ret = blkcipher_walk_done(desc, walk, nbytes); - } - /* - * final block may be < AES_BLOCK_SIZE, copy only nbytes - */ - if (nbytes) { - out = walk->dst.virt.addr; - in = walk->src.virt.addr; - ret = crypt_s390_kmctr(func, sctx->key, buf, in, - AES_BLOCK_SIZE, ctrblk); - BUG_ON(ret < 0 || ret != AES_BLOCK_SIZE); - memcpy(out, buf, nbytes); - crypto_inc(ctrblk, AES_BLOCK_SIZE); - ret = blkcipher_walk_done(desc, walk, 0); - } - memcpy(walk->iv, ctrblk, AES_BLOCK_SIZE); - return ret; -} - -static int ctr_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_aes_crypt(desc, sctx->enc, sctx, &walk); -} - -static int ctr_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_aes_crypt(desc, sctx->dec, sctx, &walk); -} - -static struct crypto_alg ctr_aes_alg = { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-aes-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct s390_aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ctr_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ctr_aes_set_key, - .encrypt = ctr_aes_encrypt, - .decrypt = ctr_aes_decrypt, - } - } -}; - -static int __init aes_s390_init(void) -{ - int ret; - - if (crypt_s390_func_available(KM_AES_128_ENCRYPT, CRYPT_S390_MSA)) - keylen_flag |= AES_KEYLEN_128; - if (crypt_s390_func_available(KM_AES_192_ENCRYPT, CRYPT_S390_MSA)) - keylen_flag |= AES_KEYLEN_192; - if (crypt_s390_func_available(KM_AES_256_ENCRYPT, CRYPT_S390_MSA)) - keylen_flag |= AES_KEYLEN_256; - - if (!keylen_flag) - return -EOPNOTSUPP; - - /* z9 109 and z9 BC/EC only support 128 bit key length */ - if (keylen_flag == AES_KEYLEN_128) - pr_info("AES hardware acceleration is only available for" - " 128-bit keys\n"); - - ret = crypto_register_alg(&aes_alg); - if (ret) - goto aes_err; - - ret = crypto_register_alg(&ecb_aes_alg); - if (ret) - goto ecb_aes_err; - - ret = crypto_register_alg(&cbc_aes_alg); - if (ret) - goto cbc_aes_err; - - if (crypt_s390_func_available(KM_XTS_128_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4) && - crypt_s390_func_available(KM_XTS_256_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4)) { - ret = crypto_register_alg(&xts_aes_alg); - if (ret) - goto xts_aes_err; - } - - if (crypt_s390_func_available(KMCTR_AES_128_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4) && - crypt_s390_func_available(KMCTR_AES_192_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4) && - crypt_s390_func_available(KMCTR_AES_256_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4)) { - ctrblk = (u8 *) __get_free_page(GFP_KERNEL); - if (!ctrblk) { - ret = -ENOMEM; - goto ctr_aes_err; - } - ret = crypto_register_alg(&ctr_aes_alg); - if (ret) { - free_page((unsigned long) ctrblk); - goto ctr_aes_err; - } - } - -out: - return ret; - -ctr_aes_err: - crypto_unregister_alg(&xts_aes_alg); -xts_aes_err: - crypto_unregister_alg(&cbc_aes_alg); -cbc_aes_err: - crypto_unregister_alg(&ecb_aes_alg); -ecb_aes_err: - crypto_unregister_alg(&aes_alg); -aes_err: - goto out; -} - -static void __exit aes_s390_fini(void) -{ - crypto_unregister_alg(&ctr_aes_alg); - free_page((unsigned long) ctrblk); - crypto_unregister_alg(&xts_aes_alg); - crypto_unregister_alg(&cbc_aes_alg); - crypto_unregister_alg(&ecb_aes_alg); - crypto_unregister_alg(&aes_alg); -} - -module_init(aes_s390_init); -module_exit(aes_s390_fini); - -MODULE_ALIAS("aes-all"); - -MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/crypt_s390.h b/ANDROID_3.4.5/arch/s390/crypto/crypt_s390.h deleted file mode 100644 index 9178db6d..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/crypt_s390.h +++ /dev/null @@ -1,437 +0,0 @@ -/* - * Cryptographic API. - * - * Support for s390 cryptographic instructions. - * - * Copyright IBM Corp. 2003,2007 - * Author(s): Thomas Spatzier - * Jan Glauber (jan.glauber@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#ifndef _CRYPTO_ARCH_S390_CRYPT_S390_H -#define _CRYPTO_ARCH_S390_CRYPT_S390_H - -#include <asm/errno.h> -#include <asm/facility.h> - -#define CRYPT_S390_OP_MASK 0xFF00 -#define CRYPT_S390_FUNC_MASK 0x00FF - -#define CRYPT_S390_PRIORITY 300 -#define CRYPT_S390_COMPOSITE_PRIORITY 400 - -#define CRYPT_S390_MSA 0x1 -#define CRYPT_S390_MSA3 0x2 -#define CRYPT_S390_MSA4 0x4 - -/* s390 cryptographic operations */ -enum crypt_s390_operations { - CRYPT_S390_KM = 0x0100, - CRYPT_S390_KMC = 0x0200, - CRYPT_S390_KIMD = 0x0300, - CRYPT_S390_KLMD = 0x0400, - CRYPT_S390_KMAC = 0x0500, - CRYPT_S390_KMCTR = 0x0600 -}; - -/* - * function codes for KM (CIPHER MESSAGE) instruction - * 0x80 is the decipher modifier bit - */ -enum crypt_s390_km_func { - KM_QUERY = CRYPT_S390_KM | 0x0, - KM_DEA_ENCRYPT = CRYPT_S390_KM | 0x1, - KM_DEA_DECRYPT = CRYPT_S390_KM | 0x1 | 0x80, - KM_TDEA_128_ENCRYPT = CRYPT_S390_KM | 0x2, - KM_TDEA_128_DECRYPT = CRYPT_S390_KM | 0x2 | 0x80, - KM_TDEA_192_ENCRYPT = CRYPT_S390_KM | 0x3, - KM_TDEA_192_DECRYPT = CRYPT_S390_KM | 0x3 | 0x80, - KM_AES_128_ENCRYPT = CRYPT_S390_KM | 0x12, - KM_AES_128_DECRYPT = CRYPT_S390_KM | 0x12 | 0x80, - KM_AES_192_ENCRYPT = CRYPT_S390_KM | 0x13, - KM_AES_192_DECRYPT = CRYPT_S390_KM | 0x13 | 0x80, - KM_AES_256_ENCRYPT = CRYPT_S390_KM | 0x14, - KM_AES_256_DECRYPT = CRYPT_S390_KM | 0x14 | 0x80, - KM_XTS_128_ENCRYPT = CRYPT_S390_KM | 0x32, - KM_XTS_128_DECRYPT = CRYPT_S390_KM | 0x32 | 0x80, - KM_XTS_256_ENCRYPT = CRYPT_S390_KM | 0x34, - KM_XTS_256_DECRYPT = CRYPT_S390_KM | 0x34 | 0x80, -}; - -/* - * function codes for KMC (CIPHER MESSAGE WITH CHAINING) - * instruction - */ -enum crypt_s390_kmc_func { - KMC_QUERY = CRYPT_S390_KMC | 0x0, - KMC_DEA_ENCRYPT = CRYPT_S390_KMC | 0x1, - KMC_DEA_DECRYPT = CRYPT_S390_KMC | 0x1 | 0x80, - KMC_TDEA_128_ENCRYPT = CRYPT_S390_KMC | 0x2, - KMC_TDEA_128_DECRYPT = CRYPT_S390_KMC | 0x2 | 0x80, - KMC_TDEA_192_ENCRYPT = CRYPT_S390_KMC | 0x3, - KMC_TDEA_192_DECRYPT = CRYPT_S390_KMC | 0x3 | 0x80, - KMC_AES_128_ENCRYPT = CRYPT_S390_KMC | 0x12, - KMC_AES_128_DECRYPT = CRYPT_S390_KMC | 0x12 | 0x80, - KMC_AES_192_ENCRYPT = CRYPT_S390_KMC | 0x13, - KMC_AES_192_DECRYPT = CRYPT_S390_KMC | 0x13 | 0x80, - KMC_AES_256_ENCRYPT = CRYPT_S390_KMC | 0x14, - KMC_AES_256_DECRYPT = CRYPT_S390_KMC | 0x14 | 0x80, - KMC_PRNG = CRYPT_S390_KMC | 0x43, -}; - -/* - * function codes for KMCTR (CIPHER MESSAGE WITH COUNTER) - * instruction - */ -enum crypt_s390_kmctr_func { - KMCTR_QUERY = CRYPT_S390_KMCTR | 0x0, - KMCTR_DEA_ENCRYPT = CRYPT_S390_KMCTR | 0x1, - KMCTR_DEA_DECRYPT = CRYPT_S390_KMCTR | 0x1 | 0x80, - KMCTR_TDEA_128_ENCRYPT = CRYPT_S390_KMCTR | 0x2, - KMCTR_TDEA_128_DECRYPT = CRYPT_S390_KMCTR | 0x2 | 0x80, - KMCTR_TDEA_192_ENCRYPT = CRYPT_S390_KMCTR | 0x3, - KMCTR_TDEA_192_DECRYPT = CRYPT_S390_KMCTR | 0x3 | 0x80, - KMCTR_AES_128_ENCRYPT = CRYPT_S390_KMCTR | 0x12, - KMCTR_AES_128_DECRYPT = CRYPT_S390_KMCTR | 0x12 | 0x80, - KMCTR_AES_192_ENCRYPT = CRYPT_S390_KMCTR | 0x13, - KMCTR_AES_192_DECRYPT = CRYPT_S390_KMCTR | 0x13 | 0x80, - KMCTR_AES_256_ENCRYPT = CRYPT_S390_KMCTR | 0x14, - KMCTR_AES_256_DECRYPT = CRYPT_S390_KMCTR | 0x14 | 0x80, -}; - -/* - * function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) - * instruction - */ -enum crypt_s390_kimd_func { - KIMD_QUERY = CRYPT_S390_KIMD | 0, - KIMD_SHA_1 = CRYPT_S390_KIMD | 1, - KIMD_SHA_256 = CRYPT_S390_KIMD | 2, - KIMD_SHA_512 = CRYPT_S390_KIMD | 3, - KIMD_GHASH = CRYPT_S390_KIMD | 65, -}; - -/* - * function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) - * instruction - */ -enum crypt_s390_klmd_func { - KLMD_QUERY = CRYPT_S390_KLMD | 0, - KLMD_SHA_1 = CRYPT_S390_KLMD | 1, - KLMD_SHA_256 = CRYPT_S390_KLMD | 2, - KLMD_SHA_512 = CRYPT_S390_KLMD | 3, -}; - -/* - * function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) - * instruction - */ -enum crypt_s390_kmac_func { - KMAC_QUERY = CRYPT_S390_KMAC | 0, - KMAC_DEA = CRYPT_S390_KMAC | 1, - KMAC_TDEA_128 = CRYPT_S390_KMAC | 2, - KMAC_TDEA_192 = CRYPT_S390_KMAC | 3 -}; - -/** - * crypt_s390_km: - * @func: the function code passed to KM; see crypt_s390_km_func - * @param: address of parameter block; see POP for details on each func - * @dest: address of destination memory area - * @src: address of source memory area - * @src_len: length of src operand in bytes - * - * Executes the KM (CIPHER MESSAGE) operation of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for encryption/decryption funcs - */ -static inline int crypt_s390_km(long func, void *param, - u8 *dest, const u8 *src, long src_len) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - register u8 *__dest asm("4") = dest; - int ret; - - asm volatile( - "0: .insn rre,0xb92e0000,%3,%1 \n" /* KM opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest) - : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_kmc: - * @func: the function code passed to KM; see crypt_s390_kmc_func - * @param: address of parameter block; see POP for details on each func - * @dest: address of destination memory area - * @src: address of source memory area - * @src_len: length of src operand in bytes - * - * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for encryption/decryption funcs - */ -static inline int crypt_s390_kmc(long func, void *param, - u8 *dest, const u8 *src, long src_len) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - register u8 *__dest asm("4") = dest; - int ret; - - asm volatile( - "0: .insn rre,0xb92f0000,%3,%1 \n" /* KMC opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest) - : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_kimd: - * @func: the function code passed to KM; see crypt_s390_kimd_func - * @param: address of parameter block; see POP for details on each func - * @src: address of source memory area - * @src_len: length of src operand in bytes - * - * Executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) operation - * of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for digest funcs - */ -static inline int crypt_s390_kimd(long func, void *param, - const u8 *src, long src_len) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - int ret; - - asm volatile( - "0: .insn rre,0xb93e0000,%1,%1 \n" /* KIMD opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_klmd: - * @func: the function code passed to KM; see crypt_s390_klmd_func - * @param: address of parameter block; see POP for details on each func - * @src: address of source memory area - * @src_len: length of src operand in bytes - * - * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for digest funcs - */ -static inline int crypt_s390_klmd(long func, void *param, - const u8 *src, long src_len) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - int ret; - - asm volatile( - "0: .insn rre,0xb93f0000,%1,%1 \n" /* KLMD opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_kmac: - * @func: the function code passed to KM; see crypt_s390_klmd_func - * @param: address of parameter block; see POP for details on each func - * @src: address of source memory area - * @src_len: length of src operand in bytes - * - * Executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) operation - * of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for digest funcs - */ -static inline int crypt_s390_kmac(long func, void *param, - const u8 *src, long src_len) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - int ret; - - asm volatile( - "0: .insn rre,0xb91e0000,%1,%1 \n" /* KLAC opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_kmctr: - * @func: the function code passed to KMCTR; see crypt_s390_kmctr_func - * @param: address of parameter block; see POP for details on each func - * @dest: address of destination memory area - * @src: address of source memory area - * @src_len: length of src operand in bytes - * @counter: address of counter value - * - * Executes the KMCTR (CIPHER MESSAGE WITH COUNTER) operation of the CPU. - * - * Returns -1 for failure, 0 for the query func, number of processed - * bytes for encryption/decryption funcs - */ -static inline int crypt_s390_kmctr(long func, void *param, u8 *dest, - const u8 *src, long src_len, u8 *counter) -{ - register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void *__param asm("1") = param; - register const u8 *__src asm("2") = src; - register long __src_len asm("3") = src_len; - register u8 *__dest asm("4") = dest; - register u8 *__ctr asm("6") = counter; - int ret = -1; - - asm volatile( - "0: .insn rrf,0xb92d0000,%3,%1,%4,0 \n" /* KMCTR opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "+d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest), - "+a" (__ctr) - : "d" (__func), "a" (__param) : "cc", "memory"); - if (ret < 0) - return ret; - return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; -} - -/** - * crypt_s390_func_available: - * @func: the function code of the specific function; 0 if op in general - * - * Tests if a specific crypto function is implemented on the machine. - * - * Returns 1 if func available; 0 if func or op in general not available - */ -static inline int crypt_s390_func_available(int func, - unsigned int facility_mask) -{ - unsigned char status[16]; - int ret; - - if (facility_mask & CRYPT_S390_MSA && !test_facility(17)) - return 0; - - if (facility_mask & CRYPT_S390_MSA3 && - (!test_facility(2) || !test_facility(76))) - return 0; - if (facility_mask & CRYPT_S390_MSA4 && - (!test_facility(2) || !test_facility(77))) - return 0; - - switch (func & CRYPT_S390_OP_MASK) { - case CRYPT_S390_KM: - ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); - break; - case CRYPT_S390_KMC: - ret = crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); - break; - case CRYPT_S390_KIMD: - ret = crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); - break; - case CRYPT_S390_KLMD: - ret = crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); - break; - case CRYPT_S390_KMAC: - ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); - break; - case CRYPT_S390_KMCTR: - ret = crypt_s390_kmctr(KMCTR_QUERY, &status, NULL, NULL, 0, - NULL); - break; - default: - return 0; - } - if (ret < 0) - return 0; - func &= CRYPT_S390_FUNC_MASK; - func &= 0x7f; /* mask modifier bit */ - return (status[func >> 3] & (0x80 >> (func & 7))) != 0; -} - -/** - * crypt_s390_pcc: - * @func: the function code passed to KM; see crypt_s390_km_func - * @param: address of parameter block; see POP for details on each func - * - * Executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) operation of the CPU. - * - * Returns -1 for failure, 0 for success. - */ -static inline int crypt_s390_pcc(long func, void *param) -{ - register long __func asm("0") = func & 0x7f; /* encrypt or decrypt */ - register void *__param asm("1") = param; - int ret = -1; - - asm volatile( - "0: .insn rre,0xb92c0000,0,0 \n" /* PCC opcode */ - "1: brc 1,0b \n" /* handle partial completion */ - " la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "+d" (ret) - : "d" (__func), "a" (__param) : "cc", "memory"); - return ret; -} - - -#endif /* _CRYPTO_ARCH_S390_CRYPT_S390_H */ diff --git a/ANDROID_3.4.5/arch/s390/crypto/crypto_des.h b/ANDROID_3.4.5/arch/s390/crypto/crypto_des.h deleted file mode 100644 index 6210457c..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/crypto_des.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Cryptographic API. - * - * Function for checking keys for the DES and Tripple DES Encryption - * algorithms. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ -#ifndef __CRYPTO_DES_H__ -#define __CRYPTO_DES_H__ - -extern int crypto_des_check_key(const u8*, unsigned int, u32*); - -#endif /*__CRYPTO_DES_H__*/ diff --git a/ANDROID_3.4.5/arch/s390/crypto/des_s390.c b/ANDROID_3.4.5/arch/s390/crypto/des_s390.c deleted file mode 100644 index a52bfd12..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/des_s390.c +++ /dev/null @@ -1,600 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the DES Cipher Algorithm. - * - * Copyright IBM Corp. 2003,2011 - * Author(s): Thomas Spatzier - * Jan Glauber (jan.glauber@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/crypto.h> -#include <crypto/algapi.h> -#include <crypto/des.h> - -#include "crypt_s390.h" - -#define DES3_KEY_SIZE (3 * DES_KEY_SIZE) - -static u8 *ctrblk; - -struct s390_des_ctx { - u8 iv[DES_BLOCK_SIZE]; - u8 key[DES3_KEY_SIZE]; -}; - -static int des_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - u32 tmp[DES_EXPKEY_WORDS]; - - /* check for weak keys */ - if (!des_ekey(tmp, key) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } - - memcpy(ctx->key, key, key_len); - return 0; -} - -static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - - crypt_s390_km(KM_DEA_ENCRYPT, ctx->key, out, in, DES_BLOCK_SIZE); -} - -static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - - crypt_s390_km(KM_DEA_DECRYPT, ctx->key, out, in, DES_BLOCK_SIZE); -} - -static struct crypto_alg des_alg = { - .cra_name = "des", - .cra_driver_name = "des-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(des_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt, - } - } -}; - -static int ecb_desall_crypt(struct blkcipher_desc *desc, long func, - u8 *key, struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt(desc, walk); - unsigned int nbytes; - - while ((nbytes = walk->nbytes)) { - /* only use complete blocks */ - unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); - u8 *out = walk->dst.virt.addr; - u8 *in = walk->src.virt.addr; - - ret = crypt_s390_km(func, key, out, in, n); - BUG_ON((ret < 0) || (ret != n)); - - nbytes &= DES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, walk, nbytes); - } - - return ret; -} - -static int cbc_desall_crypt(struct blkcipher_desc *desc, long func, - u8 *iv, struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt(desc, walk); - unsigned int nbytes = walk->nbytes; - - if (!nbytes) - goto out; - - memcpy(iv, walk->iv, DES_BLOCK_SIZE); - do { - /* only use complete blocks */ - unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); - u8 *out = walk->dst.virt.addr; - u8 *in = walk->src.virt.addr; - - ret = crypt_s390_kmc(func, iv, out, in, n); - BUG_ON((ret < 0) || (ret != n)); - - nbytes &= DES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, walk, nbytes); - } while ((nbytes = walk->nbytes)); - memcpy(walk->iv, iv, DES_BLOCK_SIZE); - -out: - return ret; -} - -static int ecb_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, ctx->key, &walk); -} - -static int ecb_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, KM_DEA_DECRYPT, ctx->key, &walk); -} - -static struct crypto_alg ecb_des_alg = { - .cra_name = "ecb(des)", - .cra_driver_name = "ecb-des-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = des_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -static int cbc_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, ctx->iv, &walk); -} - -static int cbc_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, ctx->iv, &walk); -} - -static struct crypto_alg cbc_des_alg = { - .cra_name = "cbc(des)", - .cra_driver_name = "cbc-des-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_des_decrypt, - } - } -}; - -/* - * RFC2451: - * - * For DES-EDE3, there is no known need to reject weak or - * complementation keys. Any weakness is obviated by the use of - * multiple keys. - * - * However, if the first two or last two independent 64-bit keys are - * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the - * same as DES. Implementers MUST reject keys that exhibit this - * property. - * - */ -static int des3_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && - memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2], - DES_KEY_SIZE)) && - (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } - memcpy(ctx->key, key, key_len); - return 0; -} - -static void des3_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - - crypt_s390_km(KM_TDEA_192_ENCRYPT, ctx->key, dst, src, DES_BLOCK_SIZE); -} - -static void des3_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); - - crypt_s390_km(KM_TDEA_192_DECRYPT, ctx->key, dst, src, DES_BLOCK_SIZE); -} - -static struct crypto_alg des3_alg = { - .cra_name = "des3_ede", - .cra_driver_name = "des3_ede-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(des3_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = DES3_KEY_SIZE, - .cia_max_keysize = DES3_KEY_SIZE, - .cia_setkey = des3_setkey, - .cia_encrypt = des3_encrypt, - .cia_decrypt = des3_decrypt, - } - } -}; - -static int ecb_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, ctx->key, &walk); -} - -static int ecb_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, ctx->key, &walk); -} - -static struct crypto_alg ecb_des3_alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ecb-des3_ede-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT( - ecb_des3_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .setkey = des3_setkey, - .encrypt = ecb_des3_encrypt, - .decrypt = ecb_des3_decrypt, - } - } -}; - -static int cbc_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, ctx->iv, &walk); -} - -static int cbc_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, ctx->iv, &walk); -} - -static struct crypto_alg cbc_des3_alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "cbc-des3_ede-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT( - cbc_des3_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_setkey, - .encrypt = cbc_des3_encrypt, - .decrypt = cbc_des3_decrypt, - } - } -}; - -static int ctr_desall_crypt(struct blkcipher_desc *desc, long func, - struct s390_des_ctx *ctx, struct blkcipher_walk *walk) -{ - int ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE); - unsigned int i, n, nbytes; - u8 buf[DES_BLOCK_SIZE]; - u8 *out, *in; - - memcpy(ctrblk, walk->iv, DES_BLOCK_SIZE); - while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { - out = walk->dst.virt.addr; - in = walk->src.virt.addr; - while (nbytes >= DES_BLOCK_SIZE) { - /* align to block size, max. PAGE_SIZE */ - n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : - nbytes & ~(DES_BLOCK_SIZE - 1); - for (i = DES_BLOCK_SIZE; i < n; i += DES_BLOCK_SIZE) { - memcpy(ctrblk + i, ctrblk + i - DES_BLOCK_SIZE, - DES_BLOCK_SIZE); - crypto_inc(ctrblk + i, DES_BLOCK_SIZE); - } - ret = crypt_s390_kmctr(func, ctx->key, out, in, n, ctrblk); - BUG_ON((ret < 0) || (ret != n)); - if (n > DES_BLOCK_SIZE) - memcpy(ctrblk, ctrblk + n - DES_BLOCK_SIZE, - DES_BLOCK_SIZE); - crypto_inc(ctrblk, DES_BLOCK_SIZE); - out += n; - in += n; - nbytes -= n; - } - ret = blkcipher_walk_done(desc, walk, nbytes); - } - - /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ - if (nbytes) { - out = walk->dst.virt.addr; - in = walk->src.virt.addr; - ret = crypt_s390_kmctr(func, ctx->key, buf, in, - DES_BLOCK_SIZE, ctrblk); - BUG_ON(ret < 0 || ret != DES_BLOCK_SIZE); - memcpy(out, buf, nbytes); - crypto_inc(ctrblk, DES_BLOCK_SIZE); - ret = blkcipher_walk_done(desc, walk, 0); - } - memcpy(walk->iv, ctrblk, DES_BLOCK_SIZE); - return ret; -} - -static int ctr_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, KMCTR_DEA_ENCRYPT, ctx, &walk); -} - -static int ctr_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, KMCTR_DEA_DECRYPT, ctx, &walk); -} - -static struct crypto_alg ctr_des_alg = { - .cra_name = "ctr(des)", - .cra_driver_name = "ctr-des-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ctr_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = ctr_des_encrypt, - .decrypt = ctr_des_decrypt, - } - } -}; - -static int ctr_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, KMCTR_TDEA_192_ENCRYPT, ctx, &walk); -} - -static int ctr_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, KMCTR_TDEA_192_DECRYPT, ctx, &walk); -} - -static struct crypto_alg ctr_des3_alg = { - .cra_name = "ctr(des3_ede)", - .cra_driver_name = "ctr-des3_ede-s390", - .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ctr_des3_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_setkey, - .encrypt = ctr_des3_encrypt, - .decrypt = ctr_des3_decrypt, - } - } -}; - -static int __init des_s390_init(void) -{ - int ret; - - if (!crypt_s390_func_available(KM_DEA_ENCRYPT, CRYPT_S390_MSA) || - !crypt_s390_func_available(KM_TDEA_192_ENCRYPT, CRYPT_S390_MSA)) - return -EOPNOTSUPP; - - ret = crypto_register_alg(&des_alg); - if (ret) - goto des_err; - ret = crypto_register_alg(&ecb_des_alg); - if (ret) - goto ecb_des_err; - ret = crypto_register_alg(&cbc_des_alg); - if (ret) - goto cbc_des_err; - ret = crypto_register_alg(&des3_alg); - if (ret) - goto des3_err; - ret = crypto_register_alg(&ecb_des3_alg); - if (ret) - goto ecb_des3_err; - ret = crypto_register_alg(&cbc_des3_alg); - if (ret) - goto cbc_des3_err; - - if (crypt_s390_func_available(KMCTR_DEA_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4) && - crypt_s390_func_available(KMCTR_TDEA_192_ENCRYPT, - CRYPT_S390_MSA | CRYPT_S390_MSA4)) { - ret = crypto_register_alg(&ctr_des_alg); - if (ret) - goto ctr_des_err; - ret = crypto_register_alg(&ctr_des3_alg); - if (ret) - goto ctr_des3_err; - ctrblk = (u8 *) __get_free_page(GFP_KERNEL); - if (!ctrblk) { - ret = -ENOMEM; - goto ctr_mem_err; - } - } -out: - return ret; - -ctr_mem_err: - crypto_unregister_alg(&ctr_des3_alg); -ctr_des3_err: - crypto_unregister_alg(&ctr_des_alg); -ctr_des_err: - crypto_unregister_alg(&cbc_des3_alg); -cbc_des3_err: - crypto_unregister_alg(&ecb_des3_alg); -ecb_des3_err: - crypto_unregister_alg(&des3_alg); -des3_err: - crypto_unregister_alg(&cbc_des_alg); -cbc_des_err: - crypto_unregister_alg(&ecb_des_alg); -ecb_des_err: - crypto_unregister_alg(&des_alg); -des_err: - goto out; -} - -static void __exit des_s390_exit(void) -{ - if (ctrblk) { - crypto_unregister_alg(&ctr_des_alg); - crypto_unregister_alg(&ctr_des3_alg); - free_page((unsigned long) ctrblk); - } - crypto_unregister_alg(&cbc_des3_alg); - crypto_unregister_alg(&ecb_des3_alg); - crypto_unregister_alg(&des3_alg); - crypto_unregister_alg(&cbc_des_alg); - crypto_unregister_alg(&ecb_des_alg); - crypto_unregister_alg(&des_alg); -} - -module_init(des_s390_init); -module_exit(des_s390_exit); - -MODULE_ALIAS("des"); -MODULE_ALIAS("des3_ede"); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c b/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c deleted file mode 100644 index b1bd170f..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the GHASH algorithm for GCM (Galois/Counter Mode). - * - * Copyright IBM Corp. 2011 - * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <crypto/internal/hash.h> -#include <linux/module.h> - -#include "crypt_s390.h" - -#define GHASH_BLOCK_SIZE 16 -#define GHASH_DIGEST_SIZE 16 - -struct ghash_ctx { - u8 icv[16]; - u8 key[16]; -}; - -struct ghash_desc_ctx { - u8 buffer[GHASH_BLOCK_SIZE]; - u32 bytes; -}; - -static int ghash_init(struct shash_desc *desc) -{ - struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); - - memset(dctx, 0, sizeof(*dctx)); - - return 0; -} - -static int ghash_setkey(struct crypto_shash *tfm, - const u8 *key, unsigned int keylen) -{ - struct ghash_ctx *ctx = crypto_shash_ctx(tfm); - - if (keylen != GHASH_BLOCK_SIZE) { - crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - - memcpy(ctx->key, key, GHASH_BLOCK_SIZE); - memset(ctx->icv, 0, GHASH_BLOCK_SIZE); - - return 0; -} - -static int ghash_update(struct shash_desc *desc, - const u8 *src, unsigned int srclen) -{ - struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); - struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm); - unsigned int n; - u8 *buf = dctx->buffer; - int ret; - - if (dctx->bytes) { - u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes); - - n = min(srclen, dctx->bytes); - dctx->bytes -= n; - srclen -= n; - - memcpy(pos, src, n); - src += n; - - if (!dctx->bytes) { - ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf, - GHASH_BLOCK_SIZE); - BUG_ON(ret != GHASH_BLOCK_SIZE); - } - } - - n = srclen & ~(GHASH_BLOCK_SIZE - 1); - if (n) { - ret = crypt_s390_kimd(KIMD_GHASH, ctx, src, n); - BUG_ON(ret != n); - src += n; - srclen -= n; - } - - if (srclen) { - dctx->bytes = GHASH_BLOCK_SIZE - srclen; - memcpy(buf, src, srclen); - } - - return 0; -} - -static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx) -{ - u8 *buf = dctx->buffer; - int ret; - - if (dctx->bytes) { - u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes); - - memset(pos, 0, dctx->bytes); - - ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf, GHASH_BLOCK_SIZE); - BUG_ON(ret != GHASH_BLOCK_SIZE); - } - - dctx->bytes = 0; -} - -static int ghash_final(struct shash_desc *desc, u8 *dst) -{ - struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); - struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm); - - ghash_flush(ctx, dctx); - memcpy(dst, ctx->icv, GHASH_BLOCK_SIZE); - - return 0; -} - -static struct shash_alg ghash_alg = { - .digestsize = GHASH_DIGEST_SIZE, - .init = ghash_init, - .update = ghash_update, - .final = ghash_final, - .setkey = ghash_setkey, - .descsize = sizeof(struct ghash_desc_ctx), - .base = { - .cra_name = "ghash", - .cra_driver_name = "ghash-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = GHASH_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ghash_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ghash_alg.base.cra_list), - }, -}; - -static int __init ghash_mod_init(void) -{ - if (!crypt_s390_func_available(KIMD_GHASH, - CRYPT_S390_MSA | CRYPT_S390_MSA4)) - return -EOPNOTSUPP; - - return crypto_register_shash(&ghash_alg); -} - -static void __exit ghash_mod_exit(void) -{ - crypto_unregister_shash(&ghash_alg); -} - -module_init(ghash_mod_init); -module_exit(ghash_mod_exit); - -MODULE_ALIAS("ghash"); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/prng.c b/ANDROID_3.4.5/arch/s390/crypto/prng.c deleted file mode 100644 index 0808fbf0..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/prng.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright IBM Corp. 2006,2007 - * Author(s): Jan Glauber <jan.glauber@de.ibm.com> - * Driver for the s390 pseudo random number generator - */ -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/random.h> -#include <linux/slab.h> -#include <asm/debug.h> -#include <asm/uaccess.h> - -#include "crypt_s390.h" - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jan Glauber <jan.glauber@de.ibm.com>"); -MODULE_DESCRIPTION("s390 PRNG interface"); - -static int prng_chunk_size = 256; -module_param(prng_chunk_size, int, S_IRUSR | S_IRGRP | S_IROTH); -MODULE_PARM_DESC(prng_chunk_size, "PRNG read chunk size in bytes"); - -static int prng_entropy_limit = 4096; -module_param(prng_entropy_limit, int, S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR); -MODULE_PARM_DESC(prng_entropy_limit, - "PRNG add entropy after that much bytes were produced"); - -/* - * Any one who considers arithmetical methods of producing random digits is, - * of course, in a state of sin. -- John von Neumann - */ - -struct s390_prng_data { - unsigned long count; /* how many bytes were produced */ - char *buf; -}; - -static struct s390_prng_data *p; - -/* copied from libica, use a non-zero initial parameter block */ -static unsigned char parm_block[32] = { -0x0F,0x2B,0x8E,0x63,0x8C,0x8E,0xD2,0x52,0x64,0xB7,0xA0,0x7B,0x75,0x28,0xB8,0xF4, -0x75,0x5F,0xD2,0xA6,0x8D,0x97,0x11,0xFF,0x49,0xD8,0x23,0xF3,0x7E,0x21,0xEC,0xA0, -}; - -static int prng_open(struct inode *inode, struct file *file) -{ - return nonseekable_open(inode, file); -} - -static void prng_add_entropy(void) -{ - __u64 entropy[4]; - unsigned int i; - int ret; - - for (i = 0; i < 16; i++) { - ret = crypt_s390_kmc(KMC_PRNG, parm_block, (char *)entropy, - (char *)entropy, sizeof(entropy)); - BUG_ON(ret < 0 || ret != sizeof(entropy)); - memcpy(parm_block, entropy, sizeof(entropy)); - } -} - -static void prng_seed(int nbytes) -{ - char buf[16]; - int i = 0; - - BUG_ON(nbytes > 16); - get_random_bytes(buf, nbytes); - - /* Add the entropy */ - while (nbytes >= 8) { - *((__u64 *)parm_block) ^= *((__u64 *)(buf+i)); - prng_add_entropy(); - i += 8; - nbytes -= 8; - } - prng_add_entropy(); -} - -static ssize_t prng_read(struct file *file, char __user *ubuf, size_t nbytes, - loff_t *ppos) -{ - int chunk, n; - int ret = 0; - int tmp; - - /* nbytes can be arbitrary length, we split it into chunks */ - while (nbytes) { - /* same as in extract_entropy_user in random.c */ - if (need_resched()) { - if (signal_pending(current)) { - if (ret == 0) - ret = -ERESTARTSYS; - break; - } - schedule(); - } - - /* - * we lose some random bytes if an attacker issues - * reads < 8 bytes, but we don't care - */ - chunk = min_t(int, nbytes, prng_chunk_size); - - /* PRNG only likes multiples of 8 bytes */ - n = (chunk + 7) & -8; - - if (p->count > prng_entropy_limit) - prng_seed(8); - - /* if the CPU supports PRNG stckf is present too */ - asm volatile(".insn s,0xb27c0000,%0" - : "=m" (*((unsigned long long *)p->buf)) : : "cc"); - - /* - * Beside the STCKF the input for the TDES-EDE is the output - * of the last operation. We differ here from X9.17 since we - * only store one timestamp into the buffer. Padding the whole - * buffer with timestamps does not improve security, since - * successive stckf have nearly constant offsets. - * If an attacker knows the first timestamp it would be - * trivial to guess the additional values. One timestamp - * is therefore enough and still guarantees unique input values. - * - * Note: you can still get strict X9.17 conformity by setting - * prng_chunk_size to 8 bytes. - */ - tmp = crypt_s390_kmc(KMC_PRNG, parm_block, p->buf, p->buf, n); - BUG_ON((tmp < 0) || (tmp != n)); - - p->count += n; - - if (copy_to_user(ubuf, p->buf, chunk)) - return -EFAULT; - - nbytes -= chunk; - ret += chunk; - ubuf += chunk; - } - return ret; -} - -static const struct file_operations prng_fops = { - .owner = THIS_MODULE, - .open = &prng_open, - .release = NULL, - .read = &prng_read, - .llseek = noop_llseek, -}; - -static struct miscdevice prng_dev = { - .name = "prandom", - .minor = MISC_DYNAMIC_MINOR, - .fops = &prng_fops, -}; - -static int __init prng_init(void) -{ - int ret; - - /* check if the CPU has a PRNG */ - if (!crypt_s390_func_available(KMC_PRNG, CRYPT_S390_MSA)) - return -EOPNOTSUPP; - - if (prng_chunk_size < 8) - return -EINVAL; - - p = kmalloc(sizeof(struct s390_prng_data), GFP_KERNEL); - if (!p) - return -ENOMEM; - p->count = 0; - - p->buf = kmalloc(prng_chunk_size, GFP_KERNEL); - if (!p->buf) { - ret = -ENOMEM; - goto out_free; - } - - /* initialize the PRNG, add 128 bits of entropy */ - prng_seed(16); - - ret = misc_register(&prng_dev); - if (ret) - goto out_buf; - return 0; - -out_buf: - kfree(p->buf); -out_free: - kfree(p); - return ret; -} - -static void __exit prng_exit(void) -{ - /* wipe me */ - kzfree(p->buf); - kfree(p); - - misc_deregister(&prng_dev); -} - -module_init(prng_init); -module_exit(prng_exit); diff --git a/ANDROID_3.4.5/arch/s390/crypto/sha.h b/ANDROID_3.4.5/arch/s390/crypto/sha.h deleted file mode 100644 index f4e9dc71..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/sha.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Cryptographic API. - * - * s390 generic implementation of the SHA Secure Hash Algorithms. - * - * Copyright IBM Corp. 2007 - * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#ifndef _CRYPTO_ARCH_S390_SHA_H -#define _CRYPTO_ARCH_S390_SHA_H - -#include <linux/crypto.h> -#include <crypto/sha.h> - -/* must be big enough for the largest SHA variant */ -#define SHA_MAX_STATE_SIZE 16 -#define SHA_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE - -struct s390_sha_ctx { - u64 count; /* message length in bytes */ - u32 state[SHA_MAX_STATE_SIZE]; - u8 buf[2 * SHA_MAX_BLOCK_SIZE]; - int func; /* KIMD function to use */ -}; - -struct shash_desc; - -int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); -int s390_sha_final(struct shash_desc *desc, u8 *out); - -#endif diff --git a/ANDROID_3.4.5/arch/s390/crypto/sha1_s390.c b/ANDROID_3.4.5/arch/s390/crypto/sha1_s390.c deleted file mode 100644 index e9868c6e..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/sha1_s390.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the SHA1 Secure Hash Algorithm. - * - * Derived from cryptoapi implementation, adapted for in-place - * scatterlist interface. Originally based on the public domain - * implementation written by Steve Reid. - * - * s390 Version: - * Copyright IBM Corp. 2003,2007 - * Author(s): Thomas Spatzier - * Jan Glauber (jan.glauber@de.ibm.com) - * - * Derived from "crypto/sha1_generic.c" - * Copyright (c) Alan Smithee. - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) Jean-Francois Dive <jef@linuxbe.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <crypto/sha.h> - -#include "crypt_s390.h" -#include "sha.h" - -static int sha1_init(struct shash_desc *desc) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - - sctx->state[0] = SHA1_H0; - sctx->state[1] = SHA1_H1; - sctx->state[2] = SHA1_H2; - sctx->state[3] = SHA1_H3; - sctx->state[4] = SHA1_H4; - sctx->count = 0; - sctx->func = KIMD_SHA_1; - - return 0; -} - -static int sha1_export(struct shash_desc *desc, void *out) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - struct sha1_state *octx = out; - - octx->count = sctx->count; - memcpy(octx->state, sctx->state, sizeof(octx->state)); - memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer)); - return 0; -} - -static int sha1_import(struct shash_desc *desc, const void *in) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - const struct sha1_state *ictx = in; - - sctx->count = ictx->count; - memcpy(sctx->state, ictx->state, sizeof(ictx->state)); - memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer)); - sctx->func = KIMD_SHA_1; - return 0; -} - -static struct shash_alg alg = { - .digestsize = SHA1_DIGEST_SIZE, - .init = sha1_init, - .update = s390_sha_update, - .final = s390_sha_final, - .export = sha1_export, - .import = sha1_import, - .descsize = sizeof(struct s390_sha_ctx), - .statesize = sizeof(struct sha1_state), - .base = { - .cra_name = "sha1", - .cra_driver_name= "sha1-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int __init sha1_s390_init(void) -{ - if (!crypt_s390_func_available(KIMD_SHA_1, CRYPT_S390_MSA)) - return -EOPNOTSUPP; - return crypto_register_shash(&alg); -} - -static void __exit sha1_s390_fini(void) -{ - crypto_unregister_shash(&alg); -} - -module_init(sha1_s390_init); -module_exit(sha1_s390_fini); - -MODULE_ALIAS("sha1"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/sha256_s390.c b/ANDROID_3.4.5/arch/s390/crypto/sha256_s390.c deleted file mode 100644 index 0317a354..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/sha256_s390.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the SHA256 and SHA224 Secure Hash Algorithm. - * - * s390 Version: - * Copyright IBM Corp. 2005,2011 - * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <crypto/sha.h> - -#include "crypt_s390.h" -#include "sha.h" - -static int sha256_init(struct shash_desc *desc) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - - sctx->state[0] = SHA256_H0; - sctx->state[1] = SHA256_H1; - sctx->state[2] = SHA256_H2; - sctx->state[3] = SHA256_H3; - sctx->state[4] = SHA256_H4; - sctx->state[5] = SHA256_H5; - sctx->state[6] = SHA256_H6; - sctx->state[7] = SHA256_H7; - sctx->count = 0; - sctx->func = KIMD_SHA_256; - - return 0; -} - -static int sha256_export(struct shash_desc *desc, void *out) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - struct sha256_state *octx = out; - - octx->count = sctx->count; - memcpy(octx->state, sctx->state, sizeof(octx->state)); - memcpy(octx->buf, sctx->buf, sizeof(octx->buf)); - return 0; -} - -static int sha256_import(struct shash_desc *desc, const void *in) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - const struct sha256_state *ictx = in; - - sctx->count = ictx->count; - memcpy(sctx->state, ictx->state, sizeof(ictx->state)); - memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); - sctx->func = KIMD_SHA_256; - return 0; -} - -static struct shash_alg sha256_alg = { - .digestsize = SHA256_DIGEST_SIZE, - .init = sha256_init, - .update = s390_sha_update, - .final = s390_sha_final, - .export = sha256_export, - .import = sha256_import, - .descsize = sizeof(struct s390_sha_ctx), - .statesize = sizeof(struct sha256_state), - .base = { - .cra_name = "sha256", - .cra_driver_name= "sha256-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = SHA256_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int sha224_init(struct shash_desc *desc) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - - sctx->state[0] = SHA224_H0; - sctx->state[1] = SHA224_H1; - sctx->state[2] = SHA224_H2; - sctx->state[3] = SHA224_H3; - sctx->state[4] = SHA224_H4; - sctx->state[5] = SHA224_H5; - sctx->state[6] = SHA224_H6; - sctx->state[7] = SHA224_H7; - sctx->count = 0; - sctx->func = KIMD_SHA_256; - - return 0; -} - -static struct shash_alg sha224_alg = { - .digestsize = SHA224_DIGEST_SIZE, - .init = sha224_init, - .update = s390_sha_update, - .final = s390_sha_final, - .export = sha256_export, - .import = sha256_import, - .descsize = sizeof(struct s390_sha_ctx), - .statesize = sizeof(struct sha256_state), - .base = { - .cra_name = "sha224", - .cra_driver_name= "sha224-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = SHA224_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int __init sha256_s390_init(void) -{ - int ret; - - if (!crypt_s390_func_available(KIMD_SHA_256, CRYPT_S390_MSA)) - return -EOPNOTSUPP; - ret = crypto_register_shash(&sha256_alg); - if (ret < 0) - goto out; - ret = crypto_register_shash(&sha224_alg); - if (ret < 0) - crypto_unregister_shash(&sha256_alg); -out: - return ret; -} - -static void __exit sha256_s390_fini(void) -{ - crypto_unregister_shash(&sha224_alg); - crypto_unregister_shash(&sha256_alg); -} - -module_init(sha256_s390_init); -module_exit(sha256_s390_fini); - -MODULE_ALIAS("sha256"); -MODULE_ALIAS("sha224"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA256 and SHA224 Secure Hash Algorithm"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/sha512_s390.c b/ANDROID_3.4.5/arch/s390/crypto/sha512_s390.c deleted file mode 100644 index 32a81383..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/sha512_s390.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Cryptographic API. - * - * s390 implementation of the SHA512 and SHA38 Secure Hash Algorithm. - * - * Copyright IBM Corp. 2007 - * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <crypto/internal/hash.h> -#include <crypto/sha.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> - -#include "sha.h" -#include "crypt_s390.h" - -static int sha512_init(struct shash_desc *desc) -{ - struct s390_sha_ctx *ctx = shash_desc_ctx(desc); - - *(__u64 *)&ctx->state[0] = 0x6a09e667f3bcc908ULL; - *(__u64 *)&ctx->state[2] = 0xbb67ae8584caa73bULL; - *(__u64 *)&ctx->state[4] = 0x3c6ef372fe94f82bULL; - *(__u64 *)&ctx->state[6] = 0xa54ff53a5f1d36f1ULL; - *(__u64 *)&ctx->state[8] = 0x510e527fade682d1ULL; - *(__u64 *)&ctx->state[10] = 0x9b05688c2b3e6c1fULL; - *(__u64 *)&ctx->state[12] = 0x1f83d9abfb41bd6bULL; - *(__u64 *)&ctx->state[14] = 0x5be0cd19137e2179ULL; - ctx->count = 0; - ctx->func = KIMD_SHA_512; - - return 0; -} - -static int sha512_export(struct shash_desc *desc, void *out) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - struct sha512_state *octx = out; - - octx->count[0] = sctx->count; - octx->count[1] = 0; - memcpy(octx->state, sctx->state, sizeof(octx->state)); - memcpy(octx->buf, sctx->buf, sizeof(octx->buf)); - return 0; -} - -static int sha512_import(struct shash_desc *desc, const void *in) -{ - struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - const struct sha512_state *ictx = in; - - if (unlikely(ictx->count[1])) - return -ERANGE; - sctx->count = ictx->count[0]; - - memcpy(sctx->state, ictx->state, sizeof(ictx->state)); - memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); - sctx->func = KIMD_SHA_512; - return 0; -} - -static struct shash_alg sha512_alg = { - .digestsize = SHA512_DIGEST_SIZE, - .init = sha512_init, - .update = s390_sha_update, - .final = s390_sha_final, - .export = sha512_export, - .import = sha512_import, - .descsize = sizeof(struct s390_sha_ctx), - .statesize = sizeof(struct sha512_state), - .base = { - .cra_name = "sha512", - .cra_driver_name= "sha512-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -MODULE_ALIAS("sha512"); - -static int sha384_init(struct shash_desc *desc) -{ - struct s390_sha_ctx *ctx = shash_desc_ctx(desc); - - *(__u64 *)&ctx->state[0] = 0xcbbb9d5dc1059ed8ULL; - *(__u64 *)&ctx->state[2] = 0x629a292a367cd507ULL; - *(__u64 *)&ctx->state[4] = 0x9159015a3070dd17ULL; - *(__u64 *)&ctx->state[6] = 0x152fecd8f70e5939ULL; - *(__u64 *)&ctx->state[8] = 0x67332667ffc00b31ULL; - *(__u64 *)&ctx->state[10] = 0x8eb44a8768581511ULL; - *(__u64 *)&ctx->state[12] = 0xdb0c2e0d64f98fa7ULL; - *(__u64 *)&ctx->state[14] = 0x47b5481dbefa4fa4ULL; - ctx->count = 0; - ctx->func = KIMD_SHA_512; - - return 0; -} - -static struct shash_alg sha384_alg = { - .digestsize = SHA384_DIGEST_SIZE, - .init = sha384_init, - .update = s390_sha_update, - .final = s390_sha_final, - .export = sha512_export, - .import = sha512_import, - .descsize = sizeof(struct s390_sha_ctx), - .statesize = sizeof(struct sha512_state), - .base = { - .cra_name = "sha384", - .cra_driver_name= "sha384-s390", - .cra_priority = CRYPT_S390_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - .cra_blocksize = SHA384_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_sha_ctx), - .cra_module = THIS_MODULE, - } -}; - -MODULE_ALIAS("sha384"); - -static int __init init(void) -{ - int ret; - - if (!crypt_s390_func_available(KIMD_SHA_512, CRYPT_S390_MSA)) - return -EOPNOTSUPP; - if ((ret = crypto_register_shash(&sha512_alg)) < 0) - goto out; - if ((ret = crypto_register_shash(&sha384_alg)) < 0) - crypto_unregister_shash(&sha512_alg); -out: - return ret; -} - -static void __exit fini(void) -{ - crypto_unregister_shash(&sha512_alg); - crypto_unregister_shash(&sha384_alg); -} - -module_init(init); -module_exit(fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA512 and SHA-384 Secure Hash Algorithm"); diff --git a/ANDROID_3.4.5/arch/s390/crypto/sha_common.c b/ANDROID_3.4.5/arch/s390/crypto/sha_common.c deleted file mode 100644 index bd37d09b..00000000 --- a/ANDROID_3.4.5/arch/s390/crypto/sha_common.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Cryptographic API. - * - * s390 generic implementation of the SHA Secure Hash Algorithms. - * - * Copyright IBM Corp. 2007 - * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ - -#include <crypto/internal/hash.h> -#include <linux/module.h> -#include "sha.h" -#include "crypt_s390.h" - -int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len) -{ - struct s390_sha_ctx *ctx = shash_desc_ctx(desc); - unsigned int bsize = crypto_shash_blocksize(desc->tfm); - unsigned int index; - int ret; - - /* how much is already in the buffer? */ - index = ctx->count & (bsize - 1); - ctx->count += len; - - if ((index + len) < bsize) - goto store; - - /* process one stored block */ - if (index) { - memcpy(ctx->buf + index, data, bsize - index); - ret = crypt_s390_kimd(ctx->func, ctx->state, ctx->buf, bsize); - BUG_ON(ret != bsize); - data += bsize - index; - len -= bsize - index; - index = 0; - } - - /* process as many blocks as possible */ - if (len >= bsize) { - ret = crypt_s390_kimd(ctx->func, ctx->state, data, - len & ~(bsize - 1)); - BUG_ON(ret != (len & ~(bsize - 1))); - data += ret; - len -= ret; - } -store: - if (len) - memcpy(ctx->buf + index , data, len); - - return 0; -} -EXPORT_SYMBOL_GPL(s390_sha_update); - -int s390_sha_final(struct shash_desc *desc, u8 *out) -{ - struct s390_sha_ctx *ctx = shash_desc_ctx(desc); - unsigned int bsize = crypto_shash_blocksize(desc->tfm); - u64 bits; - unsigned int index, end, plen; - int ret; - - /* SHA-512 uses 128 bit padding length */ - plen = (bsize > SHA256_BLOCK_SIZE) ? 16 : 8; - - /* must perform manual padding */ - index = ctx->count & (bsize - 1); - end = (index < bsize - plen) ? bsize : (2 * bsize); - - /* start pad with 1 */ - ctx->buf[index] = 0x80; - index++; - - /* pad with zeros */ - memset(ctx->buf + index, 0x00, end - index - 8); - - /* - * Append message length. Well, SHA-512 wants a 128 bit length value, - * nevertheless we use u64, should be enough for now... - */ - bits = ctx->count * 8; - memcpy(ctx->buf + end - 8, &bits, sizeof(bits)); - - ret = crypt_s390_kimd(ctx->func, ctx->state, ctx->buf, end); - BUG_ON(ret != end); - - /* copy digest to out */ - memcpy(out, ctx->state, crypto_shash_digestsize(desc->tfm)); - /* wipe context */ - memset(ctx, 0, sizeof *ctx); - - return 0; -} -EXPORT_SYMBOL_GPL(s390_sha_final); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("s390 SHA cipher common functions"); diff --git a/ANDROID_3.4.5/arch/s390/defconfig b/ANDROID_3.4.5/arch/s390/defconfig deleted file mode 100644 index 1957a9dd..00000000 --- a/ANDROID_3.4.5/arch/s390/defconfig +++ /dev/null @@ -1,175 +0,0 @@ -CONFIG_EXPERIMENTAL=y -CONFIG_SYSVIPC=y -CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y -CONFIG_TASKSTATS=y -CONFIG_TASK_DELAY_ACCT=y -CONFIG_TASK_XACCT=y -CONFIG_TASK_IO_ACCOUNTING=y -CONFIG_AUDIT=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_CGROUPS=y -CONFIG_CPUSETS=y -CONFIG_CGROUP_CPUACCT=y -CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y -CONFIG_CGROUP_SCHED=y -CONFIG_RT_GROUP_SCHED=y -CONFIG_BLK_CGROUP=y -CONFIG_NAMESPACES=y -CONFIG_BLK_DEV_INITRD=y -CONFIG_RD_BZIP2=y -CONFIG_RD_LZMA=y -CONFIG_RD_XZ=y -CONFIG_RD_LZO=y -CONFIG_EXPERT=y -# CONFIG_COMPAT_BRK is not set -CONFIG_PROFILING=y -CONFIG_OPROFILE=y -CONFIG_KPROBES=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_MODVERSIONS=y -CONFIG_PARTITION_ADVANCED=y -CONFIG_IBM_PARTITION=y -CONFIG_DEFAULT_DEADLINE=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y -CONFIG_PREEMPT=y -CONFIG_MEMORY_HOTPLUG=y -CONFIG_MEMORY_HOTREMOVE=y -CONFIG_KSM=y -CONFIG_BINFMT_MISC=m -CONFIG_CMM=m -CONFIG_HZ_100=y -CONFIG_CRASH_DUMP=y -CONFIG_HIBERNATION=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_NET_KEY=y -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -# CONFIG_INET_LRO is not set -CONFIG_IPV6=y -CONFIG_L2TP=m -CONFIG_L2TP_DEBUGFS=m -CONFIG_VLAN_8021Q=y -CONFIG_NET_SCHED=y -CONFIG_NET_SCH_CBQ=m -CONFIG_NET_SCH_PRIO=m -CONFIG_NET_SCH_RED=m -CONFIG_NET_SCH_SFQ=m -CONFIG_NET_SCH_TEQL=m -CONFIG_NET_SCH_TBF=m -CONFIG_NET_SCH_GRED=m -CONFIG_NET_SCH_DSMARK=m -CONFIG_NET_CLS_TCINDEX=m -CONFIG_NET_CLS_ROUTE4=m -CONFIG_NET_CLS_FW=m -CONFIG_NET_CLS_U32=m -CONFIG_CLS_U32_MARK=y -CONFIG_NET_CLS_RSVP=m -CONFIG_NET_CLS_RSVP6=m -CONFIG_NET_CLS_ACT=y -CONFIG_NET_ACT_POLICE=y -CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -CONFIG_DEVTMPFS=y -CONFIG_BLK_DEV_LOOP=m -CONFIG_BLK_DEV_NBD=m -CONFIG_BLK_DEV_RAM=y -CONFIG_VIRTIO_BLK=y -CONFIG_SCSI=y -CONFIG_BLK_DEV_SD=y -CONFIG_CHR_DEV_ST=y -CONFIG_BLK_DEV_SR=y -CONFIG_BLK_DEV_SR_VENDOR=y -CONFIG_CHR_DEV_SG=y -CONFIG_SCSI_MULTI_LUN=y -CONFIG_SCSI_CONSTANTS=y -CONFIG_SCSI_LOGGING=y -CONFIG_SCSI_SCAN_ASYNC=y -CONFIG_ZFCP=y -CONFIG_NETDEVICES=y -CONFIG_BONDING=m -CONFIG_DUMMY=m -CONFIG_EQUALIZER=m -CONFIG_TUN=m -CONFIG_VIRTIO_NET=y -CONFIG_RAW_DRIVER=m -CONFIG_VIRTIO_BALLOON=y -CONFIG_EXT2_FS=y -CONFIG_EXT3_FS=y -# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT4_FS=y -CONFIG_EXT4_FS_POSIX_ACL=y -CONFIG_EXT4_FS_SECURITY=y -CONFIG_PROC_KCORE=y -CONFIG_TMPFS=y -CONFIG_TMPFS_POSIX_ACL=y -# CONFIG_NETWORK_FILESYSTEMS is not set -CONFIG_MAGIC_SYSRQ=y -CONFIG_TIMER_STATS=y -CONFIG_PROVE_LOCKING=y -CONFIG_PROVE_RCU=y -CONFIG_LOCK_STAT=y -CONFIG_DEBUG_LOCKDEP=y -CONFIG_DEBUG_LIST=y -CONFIG_DEBUG_NOTIFIERS=y -CONFIG_RCU_TRACE=y -CONFIG_KPROBES_SANITY_TEST=y -CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y -CONFIG_CPU_NOTIFIER_ERROR_INJECT=m -CONFIG_LATENCYTOP=y -CONFIG_DEBUG_PAGEALLOC=y -CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_STRICT_DEVMEM is not set -CONFIG_CRYPTO_NULL=m -CONFIG_CRYPTO_CRYPTD=m -CONFIG_CRYPTO_AUTHENC=m -CONFIG_CRYPTO_TEST=m -CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m -CONFIG_CRYPTO_CBC=y -CONFIG_CRYPTO_CTS=m -CONFIG_CRYPTO_ECB=m -CONFIG_CRYPTO_LRW=m -CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m -CONFIG_CRYPTO_XCBC=m -CONFIG_CRYPTO_VMAC=m -CONFIG_CRYPTO_MD4=m -CONFIG_CRYPTO_MICHAEL_MIC=m -CONFIG_CRYPTO_RMD128=m -CONFIG_CRYPTO_RMD160=m -CONFIG_CRYPTO_RMD256=m -CONFIG_CRYPTO_RMD320=m -CONFIG_CRYPTO_SHA256=m -CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_TGR192=m -CONFIG_CRYPTO_WP512=m -CONFIG_CRYPTO_ANUBIS=m -CONFIG_CRYPTO_ARC4=m -CONFIG_CRYPTO_BLOWFISH=m -CONFIG_CRYPTO_CAMELLIA=m -CONFIG_CRYPTO_CAST5=m -CONFIG_CRYPTO_CAST6=m -CONFIG_CRYPTO_DES=m -CONFIG_CRYPTO_FCRYPT=m -CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m -CONFIG_CRYPTO_SEED=m -CONFIG_CRYPTO_SERPENT=m -CONFIG_CRYPTO_TEA=m -CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_DEFLATE=m -CONFIG_CRYPTO_ZLIB=m -CONFIG_CRYPTO_LZO=m -CONFIG_ZCRYPT=m -CONFIG_CRYPTO_SHA1_S390=m -CONFIG_CRYPTO_SHA256_S390=m -CONFIG_CRYPTO_SHA512_S390=m -CONFIG_CRYPTO_DES_S390=m -CONFIG_CRYPTO_AES_S390=m -CONFIG_CRC7=m diff --git a/ANDROID_3.4.5/arch/s390/hypfs/Makefile b/ANDROID_3.4.5/arch/s390/hypfs/Makefile deleted file mode 100644 index 2e671d50..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the linux hypfs filesystem routines. -# - -obj-$(CONFIG_S390_HYPFS_FS) += s390_hypfs.o - -s390_hypfs-objs := inode.o hypfs_diag.o hypfs_vm.o hypfs_dbfs.o diff --git a/ANDROID_3.4.5/arch/s390/hypfs/hypfs.h b/ANDROID_3.4.5/arch/s390/hypfs/hypfs.h deleted file mode 100644 index d9df5a06..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/hypfs.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * arch/s390/hypfs/hypfs.h - * Hypervisor filesystem for Linux on s390. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#ifndef _HYPFS_H_ -#define _HYPFS_H_ - -#include <linux/fs.h> -#include <linux/types.h> -#include <linux/debugfs.h> -#include <linux/workqueue.h> -#include <linux/kref.h> - -#define REG_FILE_MODE 0440 -#define UPDATE_FILE_MODE 0220 -#define DIR_MODE 0550 - -extern struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent, - const char *name); - -extern struct dentry *hypfs_create_u64(struct super_block *sb, - struct dentry *dir, const char *name, - __u64 value); - -extern struct dentry *hypfs_create_str(struct super_block *sb, - struct dentry *dir, const char *name, - char *string); - -/* LPAR Hypervisor */ -extern int hypfs_diag_init(void); -extern void hypfs_diag_exit(void); -extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); - -/* VM Hypervisor */ -extern int hypfs_vm_init(void); -extern void hypfs_vm_exit(void); -extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root); - -/* debugfs interface */ -struct hypfs_dbfs_file; - -struct hypfs_dbfs_data { - void *buf; - void *buf_free_ptr; - size_t size; - struct hypfs_dbfs_file *dbfs_file; - struct kref kref; -}; - -struct hypfs_dbfs_file { - const char *name; - int (*data_create)(void **data, void **data_free_ptr, - size_t *size); - void (*data_free)(const void *buf_free_ptr); - - /* Private data for hypfs_dbfs.c */ - struct hypfs_dbfs_data *data; - struct delayed_work data_free_work; - struct mutex lock; - struct dentry *dentry; -}; - -extern int hypfs_dbfs_init(void); -extern void hypfs_dbfs_exit(void); -extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df); -extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df); - -#endif /* _HYPFS_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c b/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c deleted file mode 100644 index b478013b..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Hypervisor filesystem for Linux on s390 - debugfs interface - * - * Copyright (C) IBM Corp. 2010 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#include <linux/slab.h> -#include "hypfs.h" - -static struct dentry *dbfs_dir; - -static struct hypfs_dbfs_data *hypfs_dbfs_data_alloc(struct hypfs_dbfs_file *f) -{ - struct hypfs_dbfs_data *data; - - data = kmalloc(sizeof(*data), GFP_KERNEL); - if (!data) - return NULL; - kref_init(&data->kref); - data->dbfs_file = f; - return data; -} - -static void hypfs_dbfs_data_free(struct kref *kref) -{ - struct hypfs_dbfs_data *data; - - data = container_of(kref, struct hypfs_dbfs_data, kref); - data->dbfs_file->data_free(data->buf_free_ptr); - kfree(data); -} - -static void data_free_delayed(struct work_struct *work) -{ - struct hypfs_dbfs_data *data; - struct hypfs_dbfs_file *df; - - df = container_of(work, struct hypfs_dbfs_file, data_free_work.work); - mutex_lock(&df->lock); - data = df->data; - df->data = NULL; - mutex_unlock(&df->lock); - kref_put(&data->kref, hypfs_dbfs_data_free); -} - -static ssize_t dbfs_read(struct file *file, char __user *buf, - size_t size, loff_t *ppos) -{ - struct hypfs_dbfs_data *data; - struct hypfs_dbfs_file *df; - ssize_t rc; - - if (*ppos != 0) - return 0; - - df = file->f_path.dentry->d_inode->i_private; - mutex_lock(&df->lock); - if (!df->data) { - data = hypfs_dbfs_data_alloc(df); - if (!data) { - mutex_unlock(&df->lock); - return -ENOMEM; - } - rc = df->data_create(&data->buf, &data->buf_free_ptr, - &data->size); - if (rc) { - mutex_unlock(&df->lock); - kfree(data); - return rc; - } - df->data = data; - schedule_delayed_work(&df->data_free_work, HZ); - } - data = df->data; - kref_get(&data->kref); - mutex_unlock(&df->lock); - - rc = simple_read_from_buffer(buf, size, ppos, data->buf, data->size); - kref_put(&data->kref, hypfs_dbfs_data_free); - return rc; -} - -static const struct file_operations dbfs_ops = { - .read = dbfs_read, - .llseek = no_llseek, -}; - -int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df) -{ - df->dentry = debugfs_create_file(df->name, 0400, dbfs_dir, df, - &dbfs_ops); - if (IS_ERR(df->dentry)) - return PTR_ERR(df->dentry); - mutex_init(&df->lock); - INIT_DELAYED_WORK(&df->data_free_work, data_free_delayed); - return 0; -} - -void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df) -{ - debugfs_remove(df->dentry); -} - -int hypfs_dbfs_init(void) -{ - dbfs_dir = debugfs_create_dir("s390_hypfs", NULL); - if (IS_ERR(dbfs_dir)) - return PTR_ERR(dbfs_dir); - return 0; -} - -void hypfs_dbfs_exit(void) -{ - debugfs_remove(dbfs_dir); -} diff --git a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_diag.c b/ANDROID_3.4.5/arch/s390/hypfs/hypfs_diag.c deleted file mode 100644 index 74c8f5e7..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_diag.c +++ /dev/null @@ -1,778 +0,0 @@ -/* - * arch/s390/hypfs/hypfs_diag.c - * Hypervisor filesystem for Linux on s390. Diag 204 and 224 - * implementation. - * - * Copyright IBM Corp. 2006, 2008 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#define KMSG_COMPONENT "hypfs" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/vmalloc.h> -#include <linux/mm.h> -#include <asm/ebcdic.h> -#include "hypfs.h" - -#define LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */ -#define CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */ -#define TMP_SIZE 64 /* size of temporary buffers */ - -#define DBFS_D204_HDR_VERSION 0 - -/* diag 204 subcodes */ -enum diag204_sc { - SUBC_STIB4 = 4, - SUBC_RSI = 5, - SUBC_STIB6 = 6, - SUBC_STIB7 = 7 -}; - -/* The two available diag 204 data formats */ -enum diag204_format { - INFO_SIMPLE = 0, - INFO_EXT = 0x00010000 -}; - -/* bit is set in flags, when physical cpu info is included in diag 204 data */ -#define LPAR_PHYS_FLG 0x80 - -static char *diag224_cpu_names; /* diag 224 name table */ -static enum diag204_sc diag204_store_sc; /* used subcode for store */ -static enum diag204_format diag204_info_type; /* used diag 204 data format */ - -static void *diag204_buf; /* 4K aligned buffer for diag204 data */ -static void *diag204_buf_vmalloc; /* vmalloc pointer for diag204 data */ -static int diag204_buf_pages; /* number of pages for diag204 data */ - -static struct dentry *dbfs_d204_file; - -/* - * DIAG 204 data structures and member access functions. - * - * Since we have two different diag 204 data formats for old and new s390 - * machines, we do not access the structs directly, but use getter functions for - * each struct member instead. This should make the code more readable. - */ - -/* Time information block */ - -struct info_blk_hdr { - __u8 npar; - __u8 flags; - __u16 tslice; - __u16 phys_cpus; - __u16 this_part; - __u64 curtod; -} __attribute__ ((packed)); - -struct x_info_blk_hdr { - __u8 npar; - __u8 flags; - __u16 tslice; - __u16 phys_cpus; - __u16 this_part; - __u64 curtod1; - __u64 curtod2; - char reserved[40]; -} __attribute__ ((packed)); - -static inline int info_blk_hdr__size(enum diag204_format type) -{ - if (type == INFO_SIMPLE) - return sizeof(struct info_blk_hdr); - else /* INFO_EXT */ - return sizeof(struct x_info_blk_hdr); -} - -static inline __u8 info_blk_hdr__npar(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct info_blk_hdr *)hdr)->npar; - else /* INFO_EXT */ - return ((struct x_info_blk_hdr *)hdr)->npar; -} - -static inline __u8 info_blk_hdr__flags(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct info_blk_hdr *)hdr)->flags; - else /* INFO_EXT */ - return ((struct x_info_blk_hdr *)hdr)->flags; -} - -static inline __u16 info_blk_hdr__pcpus(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct info_blk_hdr *)hdr)->phys_cpus; - else /* INFO_EXT */ - return ((struct x_info_blk_hdr *)hdr)->phys_cpus; -} - -/* Partition header */ - -struct part_hdr { - __u8 pn; - __u8 cpus; - char reserved[6]; - char part_name[LPAR_NAME_LEN]; -} __attribute__ ((packed)); - -struct x_part_hdr { - __u8 pn; - __u8 cpus; - __u8 rcpus; - __u8 pflag; - __u32 mlu; - char part_name[LPAR_NAME_LEN]; - char lpc_name[8]; - char os_name[8]; - __u64 online_cs; - __u64 online_es; - __u8 upid; - char reserved1[3]; - __u32 group_mlu; - char group_name[8]; - char reserved2[32]; -} __attribute__ ((packed)); - -static inline int part_hdr__size(enum diag204_format type) -{ - if (type == INFO_SIMPLE) - return sizeof(struct part_hdr); - else /* INFO_EXT */ - return sizeof(struct x_part_hdr); -} - -static inline __u8 part_hdr__rcpus(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct part_hdr *)hdr)->cpus; - else /* INFO_EXT */ - return ((struct x_part_hdr *)hdr)->rcpus; -} - -static inline void part_hdr__part_name(enum diag204_format type, void *hdr, - char *name) -{ - if (type == INFO_SIMPLE) - memcpy(name, ((struct part_hdr *)hdr)->part_name, - LPAR_NAME_LEN); - else /* INFO_EXT */ - memcpy(name, ((struct x_part_hdr *)hdr)->part_name, - LPAR_NAME_LEN); - EBCASC(name, LPAR_NAME_LEN); - name[LPAR_NAME_LEN] = 0; - strim(name); -} - -struct cpu_info { - __u16 cpu_addr; - char reserved1[2]; - __u8 ctidx; - __u8 cflag; - __u16 weight; - __u64 acc_time; - __u64 lp_time; -} __attribute__ ((packed)); - -struct x_cpu_info { - __u16 cpu_addr; - char reserved1[2]; - __u8 ctidx; - __u8 cflag; - __u16 weight; - __u64 acc_time; - __u64 lp_time; - __u16 min_weight; - __u16 cur_weight; - __u16 max_weight; - char reseved2[2]; - __u64 online_time; - __u64 wait_time; - __u32 pma_weight; - __u32 polar_weight; - char reserved3[40]; -} __attribute__ ((packed)); - -/* CPU info block */ - -static inline int cpu_info__size(enum diag204_format type) -{ - if (type == INFO_SIMPLE) - return sizeof(struct cpu_info); - else /* INFO_EXT */ - return sizeof(struct x_cpu_info); -} - -static inline __u8 cpu_info__ctidx(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct cpu_info *)hdr)->ctidx; - else /* INFO_EXT */ - return ((struct x_cpu_info *)hdr)->ctidx; -} - -static inline __u16 cpu_info__cpu_addr(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct cpu_info *)hdr)->cpu_addr; - else /* INFO_EXT */ - return ((struct x_cpu_info *)hdr)->cpu_addr; -} - -static inline __u64 cpu_info__acc_time(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct cpu_info *)hdr)->acc_time; - else /* INFO_EXT */ - return ((struct x_cpu_info *)hdr)->acc_time; -} - -static inline __u64 cpu_info__lp_time(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct cpu_info *)hdr)->lp_time; - else /* INFO_EXT */ - return ((struct x_cpu_info *)hdr)->lp_time; -} - -static inline __u64 cpu_info__online_time(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return 0; /* online_time not available in simple info */ - else /* INFO_EXT */ - return ((struct x_cpu_info *)hdr)->online_time; -} - -/* Physical header */ - -struct phys_hdr { - char reserved1[1]; - __u8 cpus; - char reserved2[6]; - char mgm_name[8]; -} __attribute__ ((packed)); - -struct x_phys_hdr { - char reserved1[1]; - __u8 cpus; - char reserved2[6]; - char mgm_name[8]; - char reserved3[80]; -} __attribute__ ((packed)); - -static inline int phys_hdr__size(enum diag204_format type) -{ - if (type == INFO_SIMPLE) - return sizeof(struct phys_hdr); - else /* INFO_EXT */ - return sizeof(struct x_phys_hdr); -} - -static inline __u8 phys_hdr__cpus(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct phys_hdr *)hdr)->cpus; - else /* INFO_EXT */ - return ((struct x_phys_hdr *)hdr)->cpus; -} - -/* Physical CPU info block */ - -struct phys_cpu { - __u16 cpu_addr; - char reserved1[2]; - __u8 ctidx; - char reserved2[3]; - __u64 mgm_time; - char reserved3[8]; -} __attribute__ ((packed)); - -struct x_phys_cpu { - __u16 cpu_addr; - char reserved1[2]; - __u8 ctidx; - char reserved2[3]; - __u64 mgm_time; - char reserved3[80]; -} __attribute__ ((packed)); - -static inline int phys_cpu__size(enum diag204_format type) -{ - if (type == INFO_SIMPLE) - return sizeof(struct phys_cpu); - else /* INFO_EXT */ - return sizeof(struct x_phys_cpu); -} - -static inline __u16 phys_cpu__cpu_addr(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct phys_cpu *)hdr)->cpu_addr; - else /* INFO_EXT */ - return ((struct x_phys_cpu *)hdr)->cpu_addr; -} - -static inline __u64 phys_cpu__mgm_time(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct phys_cpu *)hdr)->mgm_time; - else /* INFO_EXT */ - return ((struct x_phys_cpu *)hdr)->mgm_time; -} - -static inline __u64 phys_cpu__ctidx(enum diag204_format type, void *hdr) -{ - if (type == INFO_SIMPLE) - return ((struct phys_cpu *)hdr)->ctidx; - else /* INFO_EXT */ - return ((struct x_phys_cpu *)hdr)->ctidx; -} - -/* Diagnose 204 functions */ - -static int diag204(unsigned long subcode, unsigned long size, void *addr) -{ - register unsigned long _subcode asm("0") = subcode; - register unsigned long _size asm("1") = size; - - asm volatile( - " diag %2,%0,0x204\n" - "0:\n" - EX_TABLE(0b,0b) - : "+d" (_subcode), "+d" (_size) : "d" (addr) : "memory"); - if (_subcode) - return -1; - return _size; -} - -/* - * For the old diag subcode 4 with simple data format we have to use real - * memory. If we use subcode 6 or 7 with extended data format, we can (and - * should) use vmalloc, since we need a lot of memory in that case. Currently - * up to 93 pages! - */ - -static void diag204_free_buffer(void) -{ - if (!diag204_buf) - return; - if (diag204_buf_vmalloc) { - vfree(diag204_buf_vmalloc); - diag204_buf_vmalloc = NULL; - } else { - free_pages((unsigned long) diag204_buf, 0); - } - diag204_buf = NULL; -} - -static void *page_align_ptr(void *ptr) -{ - return (void *) PAGE_ALIGN((unsigned long) ptr); -} - -static void *diag204_alloc_vbuf(int pages) -{ - /* The buffer has to be page aligned! */ - diag204_buf_vmalloc = vmalloc(PAGE_SIZE * (pages + 1)); - if (!diag204_buf_vmalloc) - return ERR_PTR(-ENOMEM); - diag204_buf = page_align_ptr(diag204_buf_vmalloc); - diag204_buf_pages = pages; - return diag204_buf; -} - -static void *diag204_alloc_rbuf(void) -{ - diag204_buf = (void*)__get_free_pages(GFP_KERNEL,0); - if (!diag204_buf) - return ERR_PTR(-ENOMEM); - diag204_buf_pages = 1; - return diag204_buf; -} - -static void *diag204_get_buffer(enum diag204_format fmt, int *pages) -{ - if (diag204_buf) { - *pages = diag204_buf_pages; - return diag204_buf; - } - if (fmt == INFO_SIMPLE) { - *pages = 1; - return diag204_alloc_rbuf(); - } else {/* INFO_EXT */ - *pages = diag204((unsigned long)SUBC_RSI | - (unsigned long)INFO_EXT, 0, NULL); - if (*pages <= 0) - return ERR_PTR(-ENOSYS); - else - return diag204_alloc_vbuf(*pages); - } -} - -/* - * diag204_probe() has to find out, which type of diagnose 204 implementation - * we have on our machine. Currently there are three possible scanarios: - * - subcode 4 + simple data format (only one page) - * - subcode 4-6 + extended data format - * - subcode 4-7 + extended data format - * - * Subcode 5 is used to retrieve the size of the data, provided by subcodes - * 6 and 7. Subcode 7 basically has the same function as subcode 6. In addition - * to subcode 6 it provides also information about secondary cpus. - * In order to get as much information as possible, we first try - * subcode 7, then 6 and if both fail, we use subcode 4. - */ - -static int diag204_probe(void) -{ - void *buf; - int pages, rc; - - buf = diag204_get_buffer(INFO_EXT, &pages); - if (!IS_ERR(buf)) { - if (diag204((unsigned long)SUBC_STIB7 | - (unsigned long)INFO_EXT, pages, buf) >= 0) { - diag204_store_sc = SUBC_STIB7; - diag204_info_type = INFO_EXT; - goto out; - } - if (diag204((unsigned long)SUBC_STIB6 | - (unsigned long)INFO_EXT, pages, buf) >= 0) { - diag204_store_sc = SUBC_STIB6; - diag204_info_type = INFO_EXT; - goto out; - } - diag204_free_buffer(); - } - - /* subcodes 6 and 7 failed, now try subcode 4 */ - - buf = diag204_get_buffer(INFO_SIMPLE, &pages); - if (IS_ERR(buf)) { - rc = PTR_ERR(buf); - goto fail_alloc; - } - if (diag204((unsigned long)SUBC_STIB4 | - (unsigned long)INFO_SIMPLE, pages, buf) >= 0) { - diag204_store_sc = SUBC_STIB4; - diag204_info_type = INFO_SIMPLE; - goto out; - } else { - rc = -ENOSYS; - goto fail_store; - } -out: - rc = 0; -fail_store: - diag204_free_buffer(); -fail_alloc: - return rc; -} - -static int diag204_do_store(void *buf, int pages) -{ - int rc; - - rc = diag204((unsigned long) diag204_store_sc | - (unsigned long) diag204_info_type, pages, buf); - return rc < 0 ? -ENOSYS : 0; -} - -static void *diag204_store(void) -{ - void *buf; - int pages, rc; - - buf = diag204_get_buffer(diag204_info_type, &pages); - if (IS_ERR(buf)) - goto out; - rc = diag204_do_store(buf, pages); - if (rc) - return ERR_PTR(rc); -out: - return buf; -} - -/* Diagnose 224 functions */ - -static int diag224(void *ptr) -{ - int rc = -EOPNOTSUPP; - - asm volatile( - " diag %1,%2,0x224\n" - "0: lhi %0,0x0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc) :"d" (0), "d" (ptr) : "memory"); - return rc; -} - -static int diag224_get_name_table(void) -{ - /* memory must be below 2GB */ - diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); - if (!diag224_cpu_names) - return -ENOMEM; - if (diag224(diag224_cpu_names)) { - kfree(diag224_cpu_names); - return -EOPNOTSUPP; - } - EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16); - return 0; -} - -static void diag224_delete_name_table(void) -{ - kfree(diag224_cpu_names); -} - -static int diag224_idx2name(int index, char *name) -{ - memcpy(name, diag224_cpu_names + ((index + 1) * CPU_NAME_LEN), - CPU_NAME_LEN); - name[CPU_NAME_LEN] = 0; - strim(name); - return 0; -} - -struct dbfs_d204_hdr { - u64 len; /* Length of d204 buffer without header */ - u16 version; /* Version of header */ - u8 sc; /* Used subcode */ - char reserved[53]; -} __attribute__ ((packed)); - -struct dbfs_d204 { - struct dbfs_d204_hdr hdr; /* 64 byte header */ - char buf[]; /* d204 buffer */ -} __attribute__ ((packed)); - -static int dbfs_d204_create(void **data, void **data_free_ptr, size_t *size) -{ - struct dbfs_d204 *d204; - int rc, buf_size; - void *base; - - buf_size = PAGE_SIZE * (diag204_buf_pages + 1) + sizeof(d204->hdr); - base = vzalloc(buf_size); - if (!base) - return -ENOMEM; - d204 = page_align_ptr(base + sizeof(d204->hdr)) - sizeof(d204->hdr); - rc = diag204_do_store(d204->buf, diag204_buf_pages); - if (rc) { - vfree(base); - return rc; - } - d204->hdr.version = DBFS_D204_HDR_VERSION; - d204->hdr.len = PAGE_SIZE * diag204_buf_pages; - d204->hdr.sc = diag204_store_sc; - *data = d204; - *data_free_ptr = base; - *size = d204->hdr.len + sizeof(struct dbfs_d204_hdr); - return 0; -} - -static struct hypfs_dbfs_file dbfs_file_d204 = { - .name = "diag_204", - .data_create = dbfs_d204_create, - .data_free = vfree, -}; - -__init int hypfs_diag_init(void) -{ - int rc; - - if (diag204_probe()) { - pr_err("The hardware system does not support hypfs\n"); - return -ENODATA; - } - if (diag204_info_type == INFO_EXT) { - rc = hypfs_dbfs_create_file(&dbfs_file_d204); - if (rc) - return rc; - } - if (MACHINE_IS_LPAR) { - rc = diag224_get_name_table(); - if (rc) { - pr_err("The hardware system does not provide all " - "functions required by hypfs\n"); - debugfs_remove(dbfs_d204_file); - return rc; - } - } - return 0; -} - -void hypfs_diag_exit(void) -{ - debugfs_remove(dbfs_d204_file); - diag224_delete_name_table(); - diag204_free_buffer(); - hypfs_dbfs_remove_file(&dbfs_file_d204); -} - -/* - * Functions to create the directory structure - * ******************************************* - */ - -static int hypfs_create_cpu_files(struct super_block *sb, - struct dentry *cpus_dir, void *cpu_info) -{ - struct dentry *cpu_dir; - char buffer[TMP_SIZE]; - void *rc; - - snprintf(buffer, TMP_SIZE, "%d", cpu_info__cpu_addr(diag204_info_type, - cpu_info)); - cpu_dir = hypfs_mkdir(sb, cpus_dir, buffer); - rc = hypfs_create_u64(sb, cpu_dir, "mgmtime", - cpu_info__acc_time(diag204_info_type, cpu_info) - - cpu_info__lp_time(diag204_info_type, cpu_info)); - if (IS_ERR(rc)) - return PTR_ERR(rc); - rc = hypfs_create_u64(sb, cpu_dir, "cputime", - cpu_info__lp_time(diag204_info_type, cpu_info)); - if (IS_ERR(rc)) - return PTR_ERR(rc); - if (diag204_info_type == INFO_EXT) { - rc = hypfs_create_u64(sb, cpu_dir, "onlinetime", - cpu_info__online_time(diag204_info_type, - cpu_info)); - if (IS_ERR(rc)) - return PTR_ERR(rc); - } - diag224_idx2name(cpu_info__ctidx(diag204_info_type, cpu_info), buffer); - rc = hypfs_create_str(sb, cpu_dir, "type", buffer); - if (IS_ERR(rc)) - return PTR_ERR(rc); - return 0; -} - -static void *hypfs_create_lpar_files(struct super_block *sb, - struct dentry *systems_dir, void *part_hdr) -{ - struct dentry *cpus_dir; - struct dentry *lpar_dir; - char lpar_name[LPAR_NAME_LEN + 1]; - void *cpu_info; - int i; - - part_hdr__part_name(diag204_info_type, part_hdr, lpar_name); - lpar_name[LPAR_NAME_LEN] = 0; - lpar_dir = hypfs_mkdir(sb, systems_dir, lpar_name); - if (IS_ERR(lpar_dir)) - return lpar_dir; - cpus_dir = hypfs_mkdir(sb, lpar_dir, "cpus"); - if (IS_ERR(cpus_dir)) - return cpus_dir; - cpu_info = part_hdr + part_hdr__size(diag204_info_type); - for (i = 0; i < part_hdr__rcpus(diag204_info_type, part_hdr); i++) { - int rc; - rc = hypfs_create_cpu_files(sb, cpus_dir, cpu_info); - if (rc) - return ERR_PTR(rc); - cpu_info += cpu_info__size(diag204_info_type); - } - return cpu_info; -} - -static int hypfs_create_phys_cpu_files(struct super_block *sb, - struct dentry *cpus_dir, void *cpu_info) -{ - struct dentry *cpu_dir; - char buffer[TMP_SIZE]; - void *rc; - - snprintf(buffer, TMP_SIZE, "%i", phys_cpu__cpu_addr(diag204_info_type, - cpu_info)); - cpu_dir = hypfs_mkdir(sb, cpus_dir, buffer); - if (IS_ERR(cpu_dir)) - return PTR_ERR(cpu_dir); - rc = hypfs_create_u64(sb, cpu_dir, "mgmtime", - phys_cpu__mgm_time(diag204_info_type, cpu_info)); - if (IS_ERR(rc)) - return PTR_ERR(rc); - diag224_idx2name(phys_cpu__ctidx(diag204_info_type, cpu_info), buffer); - rc = hypfs_create_str(sb, cpu_dir, "type", buffer); - if (IS_ERR(rc)) - return PTR_ERR(rc); - return 0; -} - -static void *hypfs_create_phys_files(struct super_block *sb, - struct dentry *parent_dir, void *phys_hdr) -{ - int i; - void *cpu_info; - struct dentry *cpus_dir; - - cpus_dir = hypfs_mkdir(sb, parent_dir, "cpus"); - if (IS_ERR(cpus_dir)) - return cpus_dir; - cpu_info = phys_hdr + phys_hdr__size(diag204_info_type); - for (i = 0; i < phys_hdr__cpus(diag204_info_type, phys_hdr); i++) { - int rc; - rc = hypfs_create_phys_cpu_files(sb, cpus_dir, cpu_info); - if (rc) - return ERR_PTR(rc); - cpu_info += phys_cpu__size(diag204_info_type); - } - return cpu_info; -} - -int hypfs_diag_create_files(struct super_block *sb, struct dentry *root) -{ - struct dentry *systems_dir, *hyp_dir; - void *time_hdr, *part_hdr; - int i, rc; - void *buffer, *ptr; - - buffer = diag204_store(); - if (IS_ERR(buffer)) - return PTR_ERR(buffer); - - systems_dir = hypfs_mkdir(sb, root, "systems"); - if (IS_ERR(systems_dir)) { - rc = PTR_ERR(systems_dir); - goto err_out; - } - time_hdr = (struct x_info_blk_hdr *)buffer; - part_hdr = time_hdr + info_blk_hdr__size(diag204_info_type); - for (i = 0; i < info_blk_hdr__npar(diag204_info_type, time_hdr); i++) { - part_hdr = hypfs_create_lpar_files(sb, systems_dir, part_hdr); - if (IS_ERR(part_hdr)) { - rc = PTR_ERR(part_hdr); - goto err_out; - } - } - if (info_blk_hdr__flags(diag204_info_type, time_hdr) & LPAR_PHYS_FLG) { - ptr = hypfs_create_phys_files(sb, root, part_hdr); - if (IS_ERR(ptr)) { - rc = PTR_ERR(ptr); - goto err_out; - } - } - hyp_dir = hypfs_mkdir(sb, root, "hyp"); - if (IS_ERR(hyp_dir)) { - rc = PTR_ERR(hyp_dir); - goto err_out; - } - ptr = hypfs_create_str(sb, hyp_dir, "type", "LPAR Hypervisor"); - if (IS_ERR(ptr)) { - rc = PTR_ERR(ptr); - goto err_out; - } - rc = 0; - -err_out: - return rc; -} diff --git a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_vm.c b/ANDROID_3.4.5/arch/s390/hypfs/hypfs_vm.c deleted file mode 100644 index e5479600..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_vm.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Hypervisor filesystem for Linux on s390. z/VM implementation. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/vmalloc.h> -#include <asm/ebcdic.h> -#include <asm/timex.h> -#include "hypfs.h" - -#define NAME_LEN 8 -#define DBFS_D2FC_HDR_VERSION 0 - -static char local_guest[] = " "; -static char all_guests[] = "* "; -static char *guest_query; - -struct diag2fc_data { - __u32 version; - __u32 flags; - __u64 used_cpu; - __u64 el_time; - __u64 mem_min_kb; - __u64 mem_max_kb; - __u64 mem_share_kb; - __u64 mem_used_kb; - __u32 pcpus; - __u32 lcpus; - __u32 vcpus; - __u32 cpu_min; - __u32 cpu_max; - __u32 cpu_shares; - __u32 cpu_use_samp; - __u32 cpu_delay_samp; - __u32 page_wait_samp; - __u32 idle_samp; - __u32 other_samp; - __u32 total_samp; - char guest_name[NAME_LEN]; -}; - -struct diag2fc_parm_list { - char userid[NAME_LEN]; - char aci_grp[NAME_LEN]; - __u64 addr; - __u32 size; - __u32 fmt; -}; - -static int diag2fc(int size, char* query, void *addr) -{ - unsigned long residual_cnt; - unsigned long rc; - struct diag2fc_parm_list parm_list; - - memcpy(parm_list.userid, query, NAME_LEN); - ASCEBC(parm_list.userid, NAME_LEN); - parm_list.addr = (unsigned long) addr ; - parm_list.size = size; - parm_list.fmt = 0x02; - memset(parm_list.aci_grp, 0x40, NAME_LEN); - rc = -1; - - asm volatile( - " diag %0,%1,0x2fc\n" - "0:\n" - EX_TABLE(0b,0b) - : "=d" (residual_cnt), "+d" (rc) : "0" (&parm_list) : "memory"); - - if ((rc != 0 ) && (rc != -2)) - return rc; - else - return -residual_cnt; -} - -/* - * Allocate buffer for "query" and store diag 2fc at "offset" - */ -static void *diag2fc_store(char *query, unsigned int *count, int offset) -{ - void *data; - int size; - - do { - size = diag2fc(0, query, NULL); - if (size < 0) - return ERR_PTR(-EACCES); - data = vmalloc(size + offset); - if (!data) - return ERR_PTR(-ENOMEM); - if (diag2fc(size, query, data + offset) == 0) - break; - vfree(data); - } while (1); - *count = (size / sizeof(struct diag2fc_data)); - - return data; -} - -static void diag2fc_free(const void *data) -{ - vfree(data); -} - -#define ATTRIBUTE(sb, dir, name, member) \ -do { \ - void *rc; \ - rc = hypfs_create_u64(sb, dir, name, member); \ - if (IS_ERR(rc)) \ - return PTR_ERR(rc); \ -} while(0) - -static int hpyfs_vm_create_guest(struct super_block *sb, - struct dentry *systems_dir, - struct diag2fc_data *data) -{ - char guest_name[NAME_LEN + 1] = {}; - struct dentry *guest_dir, *cpus_dir, *samples_dir, *mem_dir; - int dedicated_flag, capped_value; - - capped_value = (data->flags & 0x00000006) >> 1; - dedicated_flag = (data->flags & 0x00000008) >> 3; - - /* guest dir */ - memcpy(guest_name, data->guest_name, NAME_LEN); - EBCASC(guest_name, NAME_LEN); - strim(guest_name); - guest_dir = hypfs_mkdir(sb, systems_dir, guest_name); - if (IS_ERR(guest_dir)) - return PTR_ERR(guest_dir); - ATTRIBUTE(sb, guest_dir, "onlinetime_us", data->el_time); - - /* logical cpu information */ - cpus_dir = hypfs_mkdir(sb, guest_dir, "cpus"); - if (IS_ERR(cpus_dir)) - return PTR_ERR(cpus_dir); - ATTRIBUTE(sb, cpus_dir, "cputime_us", data->used_cpu); - ATTRIBUTE(sb, cpus_dir, "capped", capped_value); - ATTRIBUTE(sb, cpus_dir, "dedicated", dedicated_flag); - ATTRIBUTE(sb, cpus_dir, "count", data->vcpus); - ATTRIBUTE(sb, cpus_dir, "weight_min", data->cpu_min); - ATTRIBUTE(sb, cpus_dir, "weight_max", data->cpu_max); - ATTRIBUTE(sb, cpus_dir, "weight_cur", data->cpu_shares); - - /* memory information */ - mem_dir = hypfs_mkdir(sb, guest_dir, "mem"); - if (IS_ERR(mem_dir)) - return PTR_ERR(mem_dir); - ATTRIBUTE(sb, mem_dir, "min_KiB", data->mem_min_kb); - ATTRIBUTE(sb, mem_dir, "max_KiB", data->mem_max_kb); - ATTRIBUTE(sb, mem_dir, "used_KiB", data->mem_used_kb); - ATTRIBUTE(sb, mem_dir, "share_KiB", data->mem_share_kb); - - /* samples */ - samples_dir = hypfs_mkdir(sb, guest_dir, "samples"); - if (IS_ERR(samples_dir)) - return PTR_ERR(samples_dir); - ATTRIBUTE(sb, samples_dir, "cpu_using", data->cpu_use_samp); - ATTRIBUTE(sb, samples_dir, "cpu_delay", data->cpu_delay_samp); - ATTRIBUTE(sb, samples_dir, "mem_delay", data->page_wait_samp); - ATTRIBUTE(sb, samples_dir, "idle", data->idle_samp); - ATTRIBUTE(sb, samples_dir, "other", data->other_samp); - ATTRIBUTE(sb, samples_dir, "total", data->total_samp); - return 0; -} - -int hypfs_vm_create_files(struct super_block *sb, struct dentry *root) -{ - struct dentry *dir, *file; - struct diag2fc_data *data; - unsigned int count = 0; - int rc, i; - - data = diag2fc_store(guest_query, &count, 0); - if (IS_ERR(data)) - return PTR_ERR(data); - - /* Hpervisor Info */ - dir = hypfs_mkdir(sb, root, "hyp"); - if (IS_ERR(dir)) { - rc = PTR_ERR(dir); - goto failed; - } - file = hypfs_create_str(sb, dir, "type", "z/VM Hypervisor"); - if (IS_ERR(file)) { - rc = PTR_ERR(file); - goto failed; - } - - /* physical cpus */ - dir = hypfs_mkdir(sb, root, "cpus"); - if (IS_ERR(dir)) { - rc = PTR_ERR(dir); - goto failed; - } - file = hypfs_create_u64(sb, dir, "count", data->lcpus); - if (IS_ERR(file)) { - rc = PTR_ERR(file); - goto failed; - } - - /* guests */ - dir = hypfs_mkdir(sb, root, "systems"); - if (IS_ERR(dir)) { - rc = PTR_ERR(dir); - goto failed; - } - - for (i = 0; i < count; i++) { - rc = hpyfs_vm_create_guest(sb, dir, &(data[i])); - if (rc) - goto failed; - } - diag2fc_free(data); - return 0; - -failed: - diag2fc_free(data); - return rc; -} - -struct dbfs_d2fc_hdr { - u64 len; /* Length of d2fc buffer without header */ - u16 version; /* Version of header */ - char tod_ext[16]; /* TOD clock for d2fc */ - u64 count; /* Number of VM guests in d2fc buffer */ - char reserved[30]; -} __attribute__ ((packed)); - -struct dbfs_d2fc { - struct dbfs_d2fc_hdr hdr; /* 64 byte header */ - char buf[]; /* d2fc buffer */ -} __attribute__ ((packed)); - -static int dbfs_diag2fc_create(void **data, void **data_free_ptr, size_t *size) -{ - struct dbfs_d2fc *d2fc; - unsigned int count; - - d2fc = diag2fc_store(guest_query, &count, sizeof(d2fc->hdr)); - if (IS_ERR(d2fc)) - return PTR_ERR(d2fc); - get_clock_ext(d2fc->hdr.tod_ext); - d2fc->hdr.len = count * sizeof(struct diag2fc_data); - d2fc->hdr.version = DBFS_D2FC_HDR_VERSION; - d2fc->hdr.count = count; - memset(&d2fc->hdr.reserved, 0, sizeof(d2fc->hdr.reserved)); - *data = d2fc; - *data_free_ptr = d2fc; - *size = d2fc->hdr.len + sizeof(struct dbfs_d2fc_hdr); - return 0; -} - -static struct hypfs_dbfs_file dbfs_file_2fc = { - .name = "diag_2fc", - .data_create = dbfs_diag2fc_create, - .data_free = diag2fc_free, -}; - -int hypfs_vm_init(void) -{ - if (!MACHINE_IS_VM) - return 0; - if (diag2fc(0, all_guests, NULL) > 0) - guest_query = all_guests; - else if (diag2fc(0, local_guest, NULL) > 0) - guest_query = local_guest; - else - return -EACCES; - return hypfs_dbfs_create_file(&dbfs_file_2fc); -} - -void hypfs_vm_exit(void) -{ - if (!MACHINE_IS_VM) - return; - hypfs_dbfs_remove_file(&dbfs_file_2fc); -} diff --git a/ANDROID_3.4.5/arch/s390/hypfs/inode.c b/ANDROID_3.4.5/arch/s390/hypfs/inode.c deleted file mode 100644 index 6a2cb560..00000000 --- a/ANDROID_3.4.5/arch/s390/hypfs/inode.c +++ /dev/null @@ -1,515 +0,0 @@ -/* - * arch/s390/hypfs/inode.c - * Hypervisor filesystem for Linux on s390. - * - * Copyright IBM Corp. 2006, 2008 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#define KMSG_COMPONENT "hypfs" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/namei.h> -#include <linux/vfs.h> -#include <linux/slab.h> -#include <linux/pagemap.h> -#include <linux/time.h> -#include <linux/parser.h> -#include <linux/sysfs.h> -#include <linux/module.h> -#include <linux/seq_file.h> -#include <linux/mount.h> -#include <asm/ebcdic.h> -#include "hypfs.h" - -#define HYPFS_MAGIC 0x687970 /* ASCII 'hyp' */ -#define TMP_SIZE 64 /* size of temporary buffers */ - -static struct dentry *hypfs_create_update_file(struct super_block *sb, - struct dentry *dir); - -struct hypfs_sb_info { - uid_t uid; /* uid used for files and dirs */ - gid_t gid; /* gid used for files and dirs */ - struct dentry *update_file; /* file to trigger update */ - time_t last_update; /* last update time in secs since 1970 */ - struct mutex lock; /* lock to protect update process */ -}; - -static const struct file_operations hypfs_file_ops; -static struct file_system_type hypfs_type; -static const struct super_operations hypfs_s_ops; - -/* start of list of all dentries, which have to be deleted on update */ -static struct dentry *hypfs_last_dentry; - -static void hypfs_update_update(struct super_block *sb) -{ - struct hypfs_sb_info *sb_info = sb->s_fs_info; - struct inode *inode = sb_info->update_file->d_inode; - - sb_info->last_update = get_seconds(); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; -} - -/* directory tree removal functions */ - -static void hypfs_add_dentry(struct dentry *dentry) -{ - dentry->d_fsdata = hypfs_last_dentry; - hypfs_last_dentry = dentry; -} - -static inline int hypfs_positive(struct dentry *dentry) -{ - return dentry->d_inode && !d_unhashed(dentry); -} - -static void hypfs_remove(struct dentry *dentry) -{ - struct dentry *parent; - - parent = dentry->d_parent; - if (!parent || !parent->d_inode) - return; - mutex_lock(&parent->d_inode->i_mutex); - if (hypfs_positive(dentry)) { - if (S_ISDIR(dentry->d_inode->i_mode)) - simple_rmdir(parent->d_inode, dentry); - else - simple_unlink(parent->d_inode, dentry); - } - d_delete(dentry); - dput(dentry); - mutex_unlock(&parent->d_inode->i_mutex); -} - -static void hypfs_delete_tree(struct dentry *root) -{ - while (hypfs_last_dentry) { - struct dentry *next_dentry; - next_dentry = hypfs_last_dentry->d_fsdata; - hypfs_remove(hypfs_last_dentry); - hypfs_last_dentry = next_dentry; - } -} - -static struct inode *hypfs_make_inode(struct super_block *sb, umode_t mode) -{ - struct inode *ret = new_inode(sb); - - if (ret) { - struct hypfs_sb_info *hypfs_info = sb->s_fs_info; - ret->i_mode = mode; - ret->i_uid = hypfs_info->uid; - ret->i_gid = hypfs_info->gid; - ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; - if (S_ISDIR(mode)) - set_nlink(ret, 2); - } - return ret; -} - -static void hypfs_evict_inode(struct inode *inode) -{ - end_writeback(inode); - kfree(inode->i_private); -} - -static int hypfs_open(struct inode *inode, struct file *filp) -{ - char *data = filp->f_path.dentry->d_inode->i_private; - struct hypfs_sb_info *fs_info; - - if (filp->f_mode & FMODE_WRITE) { - if (!(inode->i_mode & S_IWUGO)) - return -EACCES; - } - if (filp->f_mode & FMODE_READ) { - if (!(inode->i_mode & S_IRUGO)) - return -EACCES; - } - - fs_info = inode->i_sb->s_fs_info; - if(data) { - mutex_lock(&fs_info->lock); - filp->private_data = kstrdup(data, GFP_KERNEL); - if (!filp->private_data) { - mutex_unlock(&fs_info->lock); - return -ENOMEM; - } - mutex_unlock(&fs_info->lock); - } - return nonseekable_open(inode, filp); -} - -static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t offset) -{ - char *data; - ssize_t ret; - struct file *filp = iocb->ki_filp; - /* XXX: temporary */ - char __user *buf = iov[0].iov_base; - size_t count = iov[0].iov_len; - - if (nr_segs != 1) - return -EINVAL; - - data = filp->private_data; - ret = simple_read_from_buffer(buf, count, &offset, data, strlen(data)); - if (ret <= 0) - return ret; - - iocb->ki_pos += ret; - file_accessed(filp); - - return ret; -} -static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t offset) -{ - int rc; - struct super_block *sb; - struct hypfs_sb_info *fs_info; - size_t count = iov_length(iov, nr_segs); - - sb = iocb->ki_filp->f_path.dentry->d_inode->i_sb; - fs_info = sb->s_fs_info; - /* - * Currently we only allow one update per second for two reasons: - * 1. diag 204 is VERY expensive - * 2. If several processes do updates in parallel and then read the - * hypfs data, the likelihood of collisions is reduced, if we restrict - * the minimum update interval. A collision occurs, if during the - * data gathering of one process another process triggers an update - * If the first process wants to ensure consistent data, it has - * to restart data collection in this case. - */ - mutex_lock(&fs_info->lock); - if (fs_info->last_update == get_seconds()) { - rc = -EBUSY; - goto out; - } - hypfs_delete_tree(sb->s_root); - if (MACHINE_IS_VM) - rc = hypfs_vm_create_files(sb, sb->s_root); - else - rc = hypfs_diag_create_files(sb, sb->s_root); - if (rc) { - pr_err("Updating the hypfs tree failed\n"); - hypfs_delete_tree(sb->s_root); - goto out; - } - hypfs_update_update(sb); - rc = count; -out: - mutex_unlock(&fs_info->lock); - return rc; -} - -static int hypfs_release(struct inode *inode, struct file *filp) -{ - kfree(filp->private_data); - return 0; -} - -enum { opt_uid, opt_gid, opt_err }; - -static const match_table_t hypfs_tokens = { - {opt_uid, "uid=%u"}, - {opt_gid, "gid=%u"}, - {opt_err, NULL} -}; - -static int hypfs_parse_options(char *options, struct super_block *sb) -{ - char *str; - substring_t args[MAX_OPT_ARGS]; - - if (!options) - return 0; - while ((str = strsep(&options, ",")) != NULL) { - int token, option; - struct hypfs_sb_info *hypfs_info = sb->s_fs_info; - - if (!*str) - continue; - token = match_token(str, hypfs_tokens, args); - switch (token) { - case opt_uid: - if (match_int(&args[0], &option)) - return -EINVAL; - hypfs_info->uid = option; - break; - case opt_gid: - if (match_int(&args[0], &option)) - return -EINVAL; - hypfs_info->gid = option; - break; - case opt_err: - default: - pr_err("%s is not a valid mount option\n", str); - return -EINVAL; - } - } - return 0; -} - -static int hypfs_show_options(struct seq_file *s, struct dentry *root) -{ - struct hypfs_sb_info *hypfs_info = root->d_sb->s_fs_info; - - seq_printf(s, ",uid=%u", hypfs_info->uid); - seq_printf(s, ",gid=%u", hypfs_info->gid); - return 0; -} - -static int hypfs_fill_super(struct super_block *sb, void *data, int silent) -{ - struct inode *root_inode; - struct dentry *root_dentry; - int rc = 0; - struct hypfs_sb_info *sbi; - - sbi = kzalloc(sizeof(struct hypfs_sb_info), GFP_KERNEL); - if (!sbi) - return -ENOMEM; - mutex_init(&sbi->lock); - sbi->uid = current_uid(); - sbi->gid = current_gid(); - sb->s_fs_info = sbi; - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; - sb->s_magic = HYPFS_MAGIC; - sb->s_op = &hypfs_s_ops; - if (hypfs_parse_options(data, sb)) - return -EINVAL; - root_inode = hypfs_make_inode(sb, S_IFDIR | 0755); - if (!root_inode) - return -ENOMEM; - root_inode->i_op = &simple_dir_inode_operations; - root_inode->i_fop = &simple_dir_operations; - sb->s_root = root_dentry = d_make_root(root_inode); - if (!root_dentry) - return -ENOMEM; - if (MACHINE_IS_VM) - rc = hypfs_vm_create_files(sb, root_dentry); - else - rc = hypfs_diag_create_files(sb, root_dentry); - if (rc) - return rc; - sbi->update_file = hypfs_create_update_file(sb, root_dentry); - if (IS_ERR(sbi->update_file)) - return PTR_ERR(sbi->update_file); - hypfs_update_update(sb); - pr_info("Hypervisor filesystem mounted\n"); - return 0; -} - -static struct dentry *hypfs_mount(struct file_system_type *fst, int flags, - const char *devname, void *data) -{ - return mount_single(fst, flags, data, hypfs_fill_super); -} - -static void hypfs_kill_super(struct super_block *sb) -{ - struct hypfs_sb_info *sb_info = sb->s_fs_info; - - if (sb->s_root) - hypfs_delete_tree(sb->s_root); - if (sb_info->update_file) - hypfs_remove(sb_info->update_file); - kfree(sb->s_fs_info); - sb->s_fs_info = NULL; - kill_litter_super(sb); -} - -static struct dentry *hypfs_create_file(struct super_block *sb, - struct dentry *parent, const char *name, - char *data, umode_t mode) -{ - struct dentry *dentry; - struct inode *inode; - - mutex_lock(&parent->d_inode->i_mutex); - dentry = lookup_one_len(name, parent, strlen(name)); - if (IS_ERR(dentry)) { - dentry = ERR_PTR(-ENOMEM); - goto fail; - } - inode = hypfs_make_inode(sb, mode); - if (!inode) { - dput(dentry); - dentry = ERR_PTR(-ENOMEM); - goto fail; - } - if (S_ISREG(mode)) { - inode->i_fop = &hypfs_file_ops; - if (data) - inode->i_size = strlen(data); - else - inode->i_size = 0; - } else if (S_ISDIR(mode)) { - inode->i_op = &simple_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - inc_nlink(parent->d_inode); - } else - BUG(); - inode->i_private = data; - d_instantiate(dentry, inode); - dget(dentry); -fail: - mutex_unlock(&parent->d_inode->i_mutex); - return dentry; -} - -struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent, - const char *name) -{ - struct dentry *dentry; - - dentry = hypfs_create_file(sb, parent, name, NULL, S_IFDIR | DIR_MODE); - if (IS_ERR(dentry)) - return dentry; - hypfs_add_dentry(dentry); - return dentry; -} - -static struct dentry *hypfs_create_update_file(struct super_block *sb, - struct dentry *dir) -{ - struct dentry *dentry; - - dentry = hypfs_create_file(sb, dir, "update", NULL, - S_IFREG | UPDATE_FILE_MODE); - /* - * We do not put the update file on the 'delete' list with - * hypfs_add_dentry(), since it should not be removed when the tree - * is updated. - */ - return dentry; -} - -struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir, - const char *name, __u64 value) -{ - char *buffer; - char tmp[TMP_SIZE]; - struct dentry *dentry; - - snprintf(tmp, TMP_SIZE, "%llu\n", (unsigned long long int)value); - buffer = kstrdup(tmp, GFP_KERNEL); - if (!buffer) - return ERR_PTR(-ENOMEM); - dentry = - hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE); - if (IS_ERR(dentry)) { - kfree(buffer); - return ERR_PTR(-ENOMEM); - } - hypfs_add_dentry(dentry); - return dentry; -} - -struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir, - const char *name, char *string) -{ - char *buffer; - struct dentry *dentry; - - buffer = kmalloc(strlen(string) + 2, GFP_KERNEL); - if (!buffer) - return ERR_PTR(-ENOMEM); - sprintf(buffer, "%s\n", string); - dentry = - hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE); - if (IS_ERR(dentry)) { - kfree(buffer); - return ERR_PTR(-ENOMEM); - } - hypfs_add_dentry(dentry); - return dentry; -} - -static const struct file_operations hypfs_file_ops = { - .open = hypfs_open, - .release = hypfs_release, - .read = do_sync_read, - .write = do_sync_write, - .aio_read = hypfs_aio_read, - .aio_write = hypfs_aio_write, - .llseek = no_llseek, -}; - -static struct file_system_type hypfs_type = { - .owner = THIS_MODULE, - .name = "s390_hypfs", - .mount = hypfs_mount, - .kill_sb = hypfs_kill_super -}; - -static const struct super_operations hypfs_s_ops = { - .statfs = simple_statfs, - .evict_inode = hypfs_evict_inode, - .show_options = hypfs_show_options, -}; - -static struct kobject *s390_kobj; - -static int __init hypfs_init(void) -{ - int rc; - - rc = hypfs_dbfs_init(); - if (rc) - return rc; - if (hypfs_diag_init()) { - rc = -ENODATA; - goto fail_dbfs_exit; - } - if (hypfs_vm_init()) { - rc = -ENODATA; - goto fail_hypfs_diag_exit; - } - s390_kobj = kobject_create_and_add("s390", hypervisor_kobj); - if (!s390_kobj) { - rc = -ENOMEM; - goto fail_hypfs_vm_exit; - } - rc = register_filesystem(&hypfs_type); - if (rc) - goto fail_filesystem; - return 0; - -fail_filesystem: - kobject_put(s390_kobj); -fail_hypfs_vm_exit: - hypfs_vm_exit(); -fail_hypfs_diag_exit: - hypfs_diag_exit(); -fail_dbfs_exit: - hypfs_dbfs_exit(); - pr_err("Initialization of hypfs failed with rc=%i\n", rc); - return rc; -} - -static void __exit hypfs_exit(void) -{ - hypfs_diag_exit(); - hypfs_vm_exit(); - hypfs_dbfs_exit(); - unregister_filesystem(&hypfs_type); - kobject_put(s390_kobj); -} - -module_init(hypfs_init) -module_exit(hypfs_exit) - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Michael Holzheu <holzheu@de.ibm.com>"); -MODULE_DESCRIPTION("s390 Hypervisor Filesystem"); diff --git a/ANDROID_3.4.5/arch/s390/include/asm/Kbuild b/ANDROID_3.4.5/arch/s390/include/asm/Kbuild deleted file mode 100644 index 287d7bbb..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/Kbuild +++ /dev/null @@ -1,15 +0,0 @@ -include include/asm-generic/Kbuild.asm - -header-y += chpid.h -header-y += chsc.h -header-y += cmb.h -header-y += dasd.h -header-y += debug.h -header-y += kvm_virtio.h -header-y += monwriter.h -header-y += qeth.h -header-y += schid.h -header-y += tape390.h -header-y += ucontext.h -header-y += vtoc.h -header-y += zcrypt.h diff --git a/ANDROID_3.4.5/arch/s390/include/asm/airq.h b/ANDROID_3.4.5/arch/s390/include/asm/airq.h deleted file mode 100644 index 1ac80d6b..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/airq.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * include/asm-s390/airq.h - * - * Copyright IBM Corp. 2002,2007 - * Author(s): Ingo Adlung <adlung@de.ibm.com> - * Cornelia Huck <cornelia.huck@de.ibm.com> - * Arnd Bergmann <arndb@de.ibm.com> - * Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_AIRQ_H -#define _ASM_S390_AIRQ_H - -typedef void (*adapter_int_handler_t)(void *, void *); - -void *s390_register_adapter_interrupt(adapter_int_handler_t, void *, u8); -void s390_unregister_adapter_interrupt(void *, u8); - -#endif /* _ASM_S390_AIRQ_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/appldata.h b/ANDROID_3.4.5/arch/s390/include/asm/appldata.h deleted file mode 100644 index 79283dac..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/appldata.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * include/asm-s390/appldata.h - * - * Copyright (C) IBM Corp. 2006 - * - * Author(s): Melissa Howland <melissah@us.ibm.com> - */ - -#ifndef _ASM_S390_APPLDATA_H -#define _ASM_S390_APPLDATA_H - -#include <asm/io.h> - -#ifndef CONFIG_64BIT - -#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ -#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ -#define APPLDATA_GEN_EVENT_REC 0x02 -#define APPLDATA_START_CONFIG_REC 0x03 - -/* - * Parameter list for DIAGNOSE X'DC' - */ -struct appldata_parameter_list { - u16 diag; /* The DIAGNOSE code X'00DC' */ - u8 function; /* The function code for the DIAGNOSE */ - u8 parlist_length; /* Length of the parameter list */ - u32 product_id_addr; /* Address of the 16-byte product ID */ - u16 reserved; - u16 buffer_length; /* Length of the application data buffer */ - u32 buffer_addr; /* Address of the application data buffer */ -} __attribute__ ((packed)); - -#else /* CONFIG_64BIT */ - -#define APPLDATA_START_INTERVAL_REC 0x80 -#define APPLDATA_STOP_REC 0x81 -#define APPLDATA_GEN_EVENT_REC 0x82 -#define APPLDATA_START_CONFIG_REC 0x83 - -/* - * Parameter list for DIAGNOSE X'DC' - */ -struct appldata_parameter_list { - u16 diag; - u8 function; - u8 parlist_length; - u32 unused01; - u16 reserved; - u16 buffer_length; - u32 unused02; - u64 product_id_addr; - u64 buffer_addr; -} __attribute__ ((packed)); - -#endif /* CONFIG_64BIT */ - -struct appldata_product_id { - char prod_nr[7]; /* product number */ - u16 prod_fn; /* product function */ - u8 record_nr; /* record number */ - u16 version_nr; /* version */ - u16 release_nr; /* release */ - u16 mod_lvl; /* modification level */ -} __attribute__ ((packed)); - -static inline int appldata_asm(struct appldata_product_id *id, - unsigned short fn, void *buffer, - unsigned short length) -{ - struct appldata_parameter_list parm_list; - int ry; - - if (!MACHINE_IS_VM) - return -ENOSYS; - parm_list.diag = 0xdc; - parm_list.function = fn; - parm_list.parlist_length = sizeof(parm_list); - parm_list.buffer_length = length; - parm_list.product_id_addr = (unsigned long) id; - parm_list.buffer_addr = virt_to_phys(buffer); - asm volatile( - " diag %1,%0,0xdc" - : "=d" (ry) - : "d" (&parm_list), "m" (parm_list), "m" (*id) - : "cc"); - return ry; -} - -#endif /* _ASM_S390_APPLDATA_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/asm-offsets.h b/ANDROID_3.4.5/arch/s390/include/asm/asm-offsets.h deleted file mode 100644 index d370ee36..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/asm-offsets.h +++ /dev/null @@ -1 +0,0 @@ -#include <generated/asm-offsets.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/atomic.h b/ANDROID_3.4.5/arch/s390/include/asm/atomic.h deleted file mode 100644 index 748347ba..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/atomic.h +++ /dev/null @@ -1,334 +0,0 @@ -#ifndef __ARCH_S390_ATOMIC__ -#define __ARCH_S390_ATOMIC__ - -/* - * Copyright 1999,2009 IBM Corp. - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Denis Joseph Barrow, - * Arnd Bergmann <arndb@de.ibm.com>, - * - * Atomic operations that C can't guarantee us. - * Useful for resource counting etc. - * s390 uses 'Compare And Swap' for atomicity in SMP environment. - * - */ - -#include <linux/compiler.h> -#include <linux/types.h> -#include <asm/cmpxchg.h> - -#define ATOMIC_INIT(i) { (i) } - -#define __CS_LOOP(ptr, op_val, op_string) ({ \ - int old_val, new_val; \ - asm volatile( \ - " l %0,%2\n" \ - "0: lr %1,%0\n" \ - op_string " %1,%3\n" \ - " cs %0,%1,%2\n" \ - " jl 0b" \ - : "=&d" (old_val), "=&d" (new_val), \ - "=Q" (((atomic_t *)(ptr))->counter) \ - : "d" (op_val), "Q" (((atomic_t *)(ptr))->counter) \ - : "cc", "memory"); \ - new_val; \ -}) - -static inline int atomic_read(const atomic_t *v) -{ - int c; - - asm volatile( - " l %0,%1\n" - : "=d" (c) : "Q" (v->counter)); - return c; -} - -static inline void atomic_set(atomic_t *v, int i) -{ - asm volatile( - " st %1,%0\n" - : "=Q" (v->counter) : "d" (i)); -} - -static inline int atomic_add_return(int i, atomic_t *v) -{ - return __CS_LOOP(v, i, "ar"); -} -#define atomic_add(_i, _v) atomic_add_return(_i, _v) -#define atomic_add_negative(_i, _v) (atomic_add_return(_i, _v) < 0) -#define atomic_inc(_v) atomic_add_return(1, _v) -#define atomic_inc_return(_v) atomic_add_return(1, _v) -#define atomic_inc_and_test(_v) (atomic_add_return(1, _v) == 0) - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - return __CS_LOOP(v, i, "sr"); -} -#define atomic_sub(_i, _v) atomic_sub_return(_i, _v) -#define atomic_sub_and_test(_i, _v) (atomic_sub_return(_i, _v) == 0) -#define atomic_dec(_v) atomic_sub_return(1, _v) -#define atomic_dec_return(_v) atomic_sub_return(1, _v) -#define atomic_dec_and_test(_v) (atomic_sub_return(1, _v) == 0) - -static inline void atomic_clear_mask(unsigned long mask, atomic_t *v) -{ - __CS_LOOP(v, ~mask, "nr"); -} - -static inline void atomic_set_mask(unsigned long mask, atomic_t *v) -{ - __CS_LOOP(v, mask, "or"); -} - -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - asm volatile( - " cs %0,%2,%1" - : "+d" (old), "=Q" (v->counter) - : "d" (new), "Q" (v->counter) - : "cc", "memory"); - return old; -} - -static inline int __atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == u)) - break; - old = atomic_cmpxchg(v, c, c + a); - if (likely(old == c)) - break; - c = old; - } - return c; -} - - -#undef __CS_LOOP - -#define ATOMIC64_INIT(i) { (i) } - -#ifdef CONFIG_64BIT - -#define __CSG_LOOP(ptr, op_val, op_string) ({ \ - long long old_val, new_val; \ - asm volatile( \ - " lg %0,%2\n" \ - "0: lgr %1,%0\n" \ - op_string " %1,%3\n" \ - " csg %0,%1,%2\n" \ - " jl 0b" \ - : "=&d" (old_val), "=&d" (new_val), \ - "=Q" (((atomic_t *)(ptr))->counter) \ - : "d" (op_val), "Q" (((atomic_t *)(ptr))->counter) \ - : "cc", "memory"); \ - new_val; \ -}) - -static inline long long atomic64_read(const atomic64_t *v) -{ - long long c; - - asm volatile( - " lg %0,%1\n" - : "=d" (c) : "Q" (v->counter)); - return c; -} - -static inline void atomic64_set(atomic64_t *v, long long i) -{ - asm volatile( - " stg %1,%0\n" - : "=Q" (v->counter) : "d" (i)); -} - -static inline long long atomic64_add_return(long long i, atomic64_t *v) -{ - return __CSG_LOOP(v, i, "agr"); -} - -static inline long long atomic64_sub_return(long long i, atomic64_t *v) -{ - return __CSG_LOOP(v, i, "sgr"); -} - -static inline void atomic64_clear_mask(unsigned long mask, atomic64_t *v) -{ - __CSG_LOOP(v, ~mask, "ngr"); -} - -static inline void atomic64_set_mask(unsigned long mask, atomic64_t *v) -{ - __CSG_LOOP(v, mask, "ogr"); -} - -#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) - -static inline long long atomic64_cmpxchg(atomic64_t *v, - long long old, long long new) -{ - asm volatile( - " csg %0,%2,%1" - : "+d" (old), "=Q" (v->counter) - : "d" (new), "Q" (v->counter) - : "cc", "memory"); - return old; -} - -#undef __CSG_LOOP - -#else /* CONFIG_64BIT */ - -typedef struct { - long long counter; -} atomic64_t; - -static inline long long atomic64_read(const atomic64_t *v) -{ - register_pair rp; - - asm volatile( - " lm %0,%N0,%1" - : "=&d" (rp) : "Q" (v->counter) ); - return rp.pair; -} - -static inline void atomic64_set(atomic64_t *v, long long i) -{ - register_pair rp = {.pair = i}; - - asm volatile( - " stm %1,%N1,%0" - : "=Q" (v->counter) : "d" (rp) ); -} - -static inline long long atomic64_xchg(atomic64_t *v, long long new) -{ - register_pair rp_new = {.pair = new}; - register_pair rp_old; - - asm volatile( - " lm %0,%N0,%1\n" - "0: cds %0,%2,%1\n" - " jl 0b\n" - : "=&d" (rp_old), "=Q" (v->counter) - : "d" (rp_new), "Q" (v->counter) - : "cc"); - return rp_old.pair; -} - -static inline long long atomic64_cmpxchg(atomic64_t *v, - long long old, long long new) -{ - register_pair rp_old = {.pair = old}; - register_pair rp_new = {.pair = new}; - - asm volatile( - " cds %0,%2,%1" - : "+&d" (rp_old), "=Q" (v->counter) - : "d" (rp_new), "Q" (v->counter) - : "cc"); - return rp_old.pair; -} - - -static inline long long atomic64_add_return(long long i, atomic64_t *v) -{ - long long old, new; - - do { - old = atomic64_read(v); - new = old + i; - } while (atomic64_cmpxchg(v, old, new) != old); - return new; -} - -static inline long long atomic64_sub_return(long long i, atomic64_t *v) -{ - long long old, new; - - do { - old = atomic64_read(v); - new = old - i; - } while (atomic64_cmpxchg(v, old, new) != old); - return new; -} - -static inline void atomic64_set_mask(unsigned long long mask, atomic64_t *v) -{ - long long old, new; - - do { - old = atomic64_read(v); - new = old | mask; - } while (atomic64_cmpxchg(v, old, new) != old); -} - -static inline void atomic64_clear_mask(unsigned long long mask, atomic64_t *v) -{ - long long old, new; - - do { - old = atomic64_read(v); - new = old & mask; - } while (atomic64_cmpxchg(v, old, new) != old); -} - -#endif /* CONFIG_64BIT */ - -static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) -{ - long long c, old; - - c = atomic64_read(v); - for (;;) { - if (unlikely(c == u)) - break; - old = atomic64_cmpxchg(v, c, c + a); - if (likely(old == c)) - break; - c = old; - } - return c != u; -} - -static inline long long atomic64_dec_if_positive(atomic64_t *v) -{ - long long c, old, dec; - - c = atomic64_read(v); - for (;;) { - dec = c - 1; - if (unlikely(dec < 0)) - break; - old = atomic64_cmpxchg((v), c, dec); - if (likely(old == c)) - break; - c = old; - } - return dec; -} - -#define atomic64_add(_i, _v) atomic64_add_return(_i, _v) -#define atomic64_add_negative(_i, _v) (atomic64_add_return(_i, _v) < 0) -#define atomic64_inc(_v) atomic64_add_return(1, _v) -#define atomic64_inc_return(_v) atomic64_add_return(1, _v) -#define atomic64_inc_and_test(_v) (atomic64_add_return(1, _v) == 0) -#define atomic64_sub(_i, _v) atomic64_sub_return(_i, _v) -#define atomic64_sub_and_test(_i, _v) (atomic64_sub_return(_i, _v) == 0) -#define atomic64_dec(_v) atomic64_sub_return(1, _v) -#define atomic64_dec_return(_v) atomic64_sub_return(1, _v) -#define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0) -#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - -#endif /* __ARCH_S390_ATOMIC__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/auxvec.h b/ANDROID_3.4.5/arch/s390/include/asm/auxvec.h deleted file mode 100644 index a1f153e8..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/auxvec.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASMS390_AUXVEC_H -#define __ASMS390_AUXVEC_H - -#define AT_SYSINFO_EHDR 33 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/barrier.h b/ANDROID_3.4.5/arch/s390/include/asm/barrier.h deleted file mode 100644 index 451273ad..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/barrier.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2009 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_BARRIER_H -#define __ASM_BARRIER_H - -/* - * Force strict CPU ordering. - * And yes, this is required on UP too when we're talking - * to devices. - * - * This is very similar to the ppc eieio/sync instruction in that is - * does a checkpoint syncronisation & makes sure that - * all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ). - */ - -#define eieio() asm volatile("bcr 15,0" : : : "memory") -#define SYNC_OTHER_CORES(x) eieio() -#define mb() eieio() -#define rmb() eieio() -#define wmb() eieio() -#define read_barrier_depends() do { } while(0) -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() - -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#endif /* __ASM_BARRIER_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/bitops.h b/ANDROID_3.4.5/arch/s390/include/asm/bitops.h deleted file mode 100644 index e5beb490..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/bitops.h +++ /dev/null @@ -1,840 +0,0 @@ -#ifndef _S390_BITOPS_H -#define _S390_BITOPS_H - -/* - * include/asm-s390/bitops.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/bitops.h" - * Copyright (C) 1992, Linus Torvalds - * - */ - -#ifdef __KERNEL__ - -#ifndef _LINUX_BITOPS_H -#error only <linux/bitops.h> can be included directly -#endif - -#include <linux/compiler.h> - -/* - * 32 bit bitops format: - * bit 0 is the LSB of *addr; bit 31 is the MSB of *addr; - * bit 32 is the LSB of *(addr+4). That combined with the - * big endian byte order on S390 give the following bit - * order in memory: - * 1f 1e 1d 1c 1b 1a 19 18 17 16 15 14 13 12 11 10 \ - * 0f 0e 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 - * after that follows the next long with bit numbers - * 3f 3e 3d 3c 3b 3a 39 38 37 36 35 34 33 32 31 30 - * 2f 2e 2d 2c 2b 2a 29 28 27 26 25 24 23 22 21 20 - * The reason for this bit ordering is the fact that - * in the architecture independent code bits operations - * of the form "flags |= (1 << bitnr)" are used INTERMIXED - * with operation of the form "set_bit(bitnr, flags)". - * - * 64 bit bitops format: - * bit 0 is the LSB of *addr; bit 63 is the MSB of *addr; - * bit 64 is the LSB of *(addr+8). That combined with the - * big endian byte order on S390 give the following bit - * order in memory: - * 3f 3e 3d 3c 3b 3a 39 38 37 36 35 34 33 32 31 30 - * 2f 2e 2d 2c 2b 2a 29 28 27 26 25 24 23 22 21 20 - * 1f 1e 1d 1c 1b 1a 19 18 17 16 15 14 13 12 11 10 - * 0f 0e 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 - * after that follows the next long with bit numbers - * 7f 7e 7d 7c 7b 7a 79 78 77 76 75 74 73 72 71 70 - * 6f 6e 6d 6c 6b 6a 69 68 67 66 65 64 63 62 61 60 - * 5f 5e 5d 5c 5b 5a 59 58 57 56 55 54 53 52 51 50 - * 4f 4e 4d 4c 4b 4a 49 48 47 46 45 44 43 42 41 40 - * The reason for this bit ordering is the fact that - * in the architecture independent code bits operations - * of the form "flags |= (1 << bitnr)" are used INTERMIXED - * with operation of the form "set_bit(bitnr, flags)". - */ - -/* bitmap tables from arch/s390/kernel/bitmap.c */ -extern const char _oi_bitmap[]; -extern const char _ni_bitmap[]; -extern const char _zb_findmap[]; -extern const char _sb_findmap[]; - -#ifndef __s390x__ - -#define __BITOPS_ALIGN 3 -#define __BITOPS_WORDSIZE 32 -#define __BITOPS_OR "or" -#define __BITOPS_AND "nr" -#define __BITOPS_XOR "xr" - -#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \ - asm volatile( \ - " l %0,%2\n" \ - "0: lr %1,%0\n" \ - __op_string " %1,%3\n" \ - " cs %0,%1,%2\n" \ - " jl 0b" \ - : "=&d" (__old), "=&d" (__new), \ - "=Q" (*(unsigned long *) __addr) \ - : "d" (__val), "Q" (*(unsigned long *) __addr) \ - : "cc"); - -#else /* __s390x__ */ - -#define __BITOPS_ALIGN 7 -#define __BITOPS_WORDSIZE 64 -#define __BITOPS_OR "ogr" -#define __BITOPS_AND "ngr" -#define __BITOPS_XOR "xgr" - -#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \ - asm volatile( \ - " lg %0,%2\n" \ - "0: lgr %1,%0\n" \ - __op_string " %1,%3\n" \ - " csg %0,%1,%2\n" \ - " jl 0b" \ - : "=&d" (__old), "=&d" (__new), \ - "=Q" (*(unsigned long *) __addr) \ - : "d" (__val), "Q" (*(unsigned long *) __addr) \ - : "cc"); - -#endif /* __s390x__ */ - -#define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE) -#define __BITOPS_BARRIER() asm volatile("" : : : "memory") - -#ifdef CONFIG_SMP -/* - * SMP safe set_bit routine based on compare and swap (CS) - */ -static inline void set_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make OR mask */ - mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1)); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_OR); -} - -/* - * SMP safe clear_bit routine based on compare and swap (CS) - */ -static inline void clear_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make AND mask */ - mask = ~(1UL << (nr & (__BITOPS_WORDSIZE - 1))); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_AND); -} - -/* - * SMP safe change_bit routine based on compare and swap (CS) - */ -static inline void change_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make XOR mask */ - mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1)); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_XOR); -} - -/* - * SMP safe test_and_set_bit routine based on compare and swap (CS) - */ -static inline int -test_and_set_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make OR/test mask */ - mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1)); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_OR); - __BITOPS_BARRIER(); - return (old & mask) != 0; -} - -/* - * SMP safe test_and_clear_bit routine based on compare and swap (CS) - */ -static inline int -test_and_clear_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make AND/test mask */ - mask = ~(1UL << (nr & (__BITOPS_WORDSIZE - 1))); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_AND); - __BITOPS_BARRIER(); - return (old ^ new) != 0; -} - -/* - * SMP safe test_and_change_bit routine based on compare and swap (CS) - */ -static inline int -test_and_change_bit_cs(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr, old, new, mask; - - addr = (unsigned long) ptr; - /* calculate address for CS */ - addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3; - /* make XOR/test mask */ - mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1)); - /* Do the atomic update. */ - __BITOPS_LOOP(old, new, addr, mask, __BITOPS_XOR); - __BITOPS_BARRIER(); - return (old & mask) != 0; -} -#endif /* CONFIG_SMP */ - -/* - * fast, non-SMP set_bit routine - */ -static inline void __set_bit(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - asm volatile( - " oc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" ); -} - -static inline void -__constant_set_bit(const unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - *(unsigned char *) addr |= 1 << (nr & 7); -} - -#define set_bit_simple(nr,addr) \ -(__builtin_constant_p((nr)) ? \ - __constant_set_bit((nr),(addr)) : \ - __set_bit((nr),(addr)) ) - -/* - * fast, non-SMP clear_bit routine - */ -static inline void -__clear_bit(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - asm volatile( - " nc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7]) : "cc" ); -} - -static inline void -__constant_clear_bit(const unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - *(unsigned char *) addr &= ~(1 << (nr & 7)); -} - -#define clear_bit_simple(nr,addr) \ -(__builtin_constant_p((nr)) ? \ - __constant_clear_bit((nr),(addr)) : \ - __clear_bit((nr),(addr)) ) - -/* - * fast, non-SMP change_bit routine - */ -static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - asm volatile( - " xc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" ); -} - -static inline void -__constant_change_bit(const unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - - addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - *(unsigned char *) addr ^= 1 << (nr & 7); -} - -#define change_bit_simple(nr,addr) \ -(__builtin_constant_p((nr)) ? \ - __constant_change_bit((nr),(addr)) : \ - __change_bit((nr),(addr)) ) - -/* - * fast, non-SMP test_and_set_bit routine - */ -static inline int -test_and_set_bit_simple(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - unsigned char ch; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - ch = *(unsigned char *) addr; - asm volatile( - " oc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) - : "cc", "memory"); - return (ch >> (nr & 7)) & 1; -} -#define __test_and_set_bit(X,Y) test_and_set_bit_simple(X,Y) - -/* - * fast, non-SMP test_and_clear_bit routine - */ -static inline int -test_and_clear_bit_simple(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - unsigned char ch; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - ch = *(unsigned char *) addr; - asm volatile( - " nc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7]) - : "cc", "memory"); - return (ch >> (nr & 7)) & 1; -} -#define __test_and_clear_bit(X,Y) test_and_clear_bit_simple(X,Y) - -/* - * fast, non-SMP test_and_change_bit routine - */ -static inline int -test_and_change_bit_simple(unsigned long nr, volatile unsigned long *ptr) -{ - unsigned long addr; - unsigned char ch; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - ch = *(unsigned char *) addr; - asm volatile( - " xc %O0(1,%R0),%1" - : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) - : "cc", "memory"); - return (ch >> (nr & 7)) & 1; -} -#define __test_and_change_bit(X,Y) test_and_change_bit_simple(X,Y) - -#ifdef CONFIG_SMP -#define set_bit set_bit_cs -#define clear_bit clear_bit_cs -#define change_bit change_bit_cs -#define test_and_set_bit test_and_set_bit_cs -#define test_and_clear_bit test_and_clear_bit_cs -#define test_and_change_bit test_and_change_bit_cs -#else -#define set_bit set_bit_simple -#define clear_bit clear_bit_simple -#define change_bit change_bit_simple -#define test_and_set_bit test_and_set_bit_simple -#define test_and_clear_bit test_and_clear_bit_simple -#define test_and_change_bit test_and_change_bit_simple -#endif - - -/* - * This routine doesn't need to be atomic. - */ - -static inline int __test_bit(unsigned long nr, const volatile unsigned long *ptr) -{ - unsigned long addr; - unsigned char ch; - - addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3); - ch = *(volatile unsigned char *) addr; - return (ch >> (nr & 7)) & 1; -} - -static inline int -__constant_test_bit(unsigned long nr, const volatile unsigned long *addr) { - return (((volatile char *) addr) - [(nr^(__BITOPS_WORDSIZE-8))>>3] & (1<<(nr&7))) != 0; -} - -#define test_bit(nr,addr) \ -(__builtin_constant_p((nr)) ? \ - __constant_test_bit((nr),(addr)) : \ - __test_bit((nr),(addr)) ) - -/* - * Optimized find bit helper functions. - */ - -/** - * __ffz_word_loop - find byte offset of first long != -1UL - * @addr: pointer to array of unsigned long - * @size: size of the array in bits - */ -static inline unsigned long __ffz_word_loop(const unsigned long *addr, - unsigned long size) -{ - typedef struct { long _[__BITOPS_WORDS(size)]; } addrtype; - unsigned long bytes = 0; - - asm volatile( -#ifndef __s390x__ - " ahi %1,-1\n" - " sra %1,5\n" - " jz 1f\n" - "0: c %2,0(%0,%3)\n" - " jne 1f\n" - " la %0,4(%0)\n" - " brct %1,0b\n" - "1:\n" -#else - " aghi %1,-1\n" - " srag %1,%1,6\n" - " jz 1f\n" - "0: cg %2,0(%0,%3)\n" - " jne 1f\n" - " la %0,8(%0)\n" - " brct %1,0b\n" - "1:\n" -#endif - : "+&a" (bytes), "+&d" (size) - : "d" (-1UL), "a" (addr), "m" (*(addrtype *) addr) - : "cc" ); - return bytes; -} - -/** - * __ffs_word_loop - find byte offset of first long != 0UL - * @addr: pointer to array of unsigned long - * @size: size of the array in bits - */ -static inline unsigned long __ffs_word_loop(const unsigned long *addr, - unsigned long size) -{ - typedef struct { long _[__BITOPS_WORDS(size)]; } addrtype; - unsigned long bytes = 0; - - asm volatile( -#ifndef __s390x__ - " ahi %1,-1\n" - " sra %1,5\n" - " jz 1f\n" - "0: c %2,0(%0,%3)\n" - " jne 1f\n" - " la %0,4(%0)\n" - " brct %1,0b\n" - "1:\n" -#else - " aghi %1,-1\n" - " srag %1,%1,6\n" - " jz 1f\n" - "0: cg %2,0(%0,%3)\n" - " jne 1f\n" - " la %0,8(%0)\n" - " brct %1,0b\n" - "1:\n" -#endif - : "+&a" (bytes), "+&a" (size) - : "d" (0UL), "a" (addr), "m" (*(addrtype *) addr) - : "cc" ); - return bytes; -} - -/** - * __ffz_word - add number of the first unset bit - * @nr: base value the bit number is added to - * @word: the word that is searched for unset bits - */ -static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) -{ -#ifdef __s390x__ - if ((word & 0xffffffff) == 0xffffffff) { - word >>= 32; - nr += 32; - } -#endif - if ((word & 0xffff) == 0xffff) { - word >>= 16; - nr += 16; - } - if ((word & 0xff) == 0xff) { - word >>= 8; - nr += 8; - } - return nr + _zb_findmap[(unsigned char) word]; -} - -/** - * __ffs_word - add number of the first set bit - * @nr: base value the bit number is added to - * @word: the word that is searched for set bits - */ -static inline unsigned long __ffs_word(unsigned long nr, unsigned long word) -{ -#ifdef __s390x__ - if ((word & 0xffffffff) == 0) { - word >>= 32; - nr += 32; - } -#endif - if ((word & 0xffff) == 0) { - word >>= 16; - nr += 16; - } - if ((word & 0xff) == 0) { - word >>= 8; - nr += 8; - } - return nr + _sb_findmap[(unsigned char) word]; -} - - -/** - * __load_ulong_be - load big endian unsigned long - * @p: pointer to array of unsigned long - * @offset: byte offset of source value in the array - */ -static inline unsigned long __load_ulong_be(const unsigned long *p, - unsigned long offset) -{ - p = (unsigned long *)((unsigned long) p + offset); - return *p; -} - -/** - * __load_ulong_le - load little endian unsigned long - * @p: pointer to array of unsigned long - * @offset: byte offset of source value in the array - */ -static inline unsigned long __load_ulong_le(const unsigned long *p, - unsigned long offset) -{ - unsigned long word; - - p = (unsigned long *)((unsigned long) p + offset); -#ifndef __s390x__ - asm volatile( - " ic %0,%O1(%R1)\n" - " icm %0,2,%O1+1(%R1)\n" - " icm %0,4,%O1+2(%R1)\n" - " icm %0,8,%O1+3(%R1)" - : "=&d" (word) : "Q" (*p) : "cc"); -#else - asm volatile( - " lrvg %0,%1" - : "=d" (word) : "m" (*p) ); -#endif - return word; -} - -/* - * The various find bit functions. - */ - -/* - * ffz - find first zero in word. - * @word: The word to search - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ -static inline unsigned long ffz(unsigned long word) -{ - return __ffz_word(0, word); -} - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs (unsigned long word) -{ - return __ffs_word(0, word); -} - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static inline int ffs(int x) -{ - if (!x) - return 0; - return __ffs_word(1, x); -} - -/** - * find_first_zero_bit - find the first zero bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first zero bit, not the number of the byte - * containing a bit. - */ -static inline unsigned long find_first_zero_bit(const unsigned long *addr, - unsigned long size) -{ - unsigned long bytes, bits; - - if (!size) - return 0; - bytes = __ffz_word_loop(addr, size); - bits = __ffz_word(bytes*8, __load_ulong_be(addr, bytes)); - return (bits < size) ? bits : size; -} -#define find_first_zero_bit find_first_zero_bit - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -static inline unsigned long find_first_bit(const unsigned long * addr, - unsigned long size) -{ - unsigned long bytes, bits; - - if (!size) - return 0; - bytes = __ffs_word_loop(addr, size); - bits = __ffs_word(bytes*8, __load_ulong_be(addr, bytes)); - return (bits < size) ? bits : size; -} -#define find_first_bit find_first_bit - -/** - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline int find_next_zero_bit (const unsigned long * addr, - unsigned long size, - unsigned long offset) -{ - const unsigned long *p; - unsigned long bit, set; - - if (offset >= size) - return size; - bit = offset & (__BITOPS_WORDSIZE - 1); - offset -= bit; - size -= offset; - p = addr + offset / __BITOPS_WORDSIZE; - if (bit) { - /* - * __ffz_word returns __BITOPS_WORDSIZE - * if no zero bit is present in the word. - */ - set = __ffz_word(bit, *p >> bit); - if (set >= size) - return size + offset; - if (set < __BITOPS_WORDSIZE) - return set + offset; - offset += __BITOPS_WORDSIZE; - size -= __BITOPS_WORDSIZE; - p++; - } - return offset + find_first_zero_bit(p, size); -} -#define find_next_zero_bit find_next_zero_bit - -/** - * find_next_bit - find the first set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline int find_next_bit (const unsigned long * addr, - unsigned long size, - unsigned long offset) -{ - const unsigned long *p; - unsigned long bit, set; - - if (offset >= size) - return size; - bit = offset & (__BITOPS_WORDSIZE - 1); - offset -= bit; - size -= offset; - p = addr + offset / __BITOPS_WORDSIZE; - if (bit) { - /* - * __ffs_word returns __BITOPS_WORDSIZE - * if no one bit is present in the word. - */ - set = __ffs_word(0, *p & (~0UL << bit)); - if (set >= size) - return size + offset; - if (set < __BITOPS_WORDSIZE) - return set + offset; - offset += __BITOPS_WORDSIZE; - size -= __BITOPS_WORDSIZE; - p++; - } - return offset + find_first_bit(p, size); -} -#define find_next_bit find_next_bit - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ -static inline int sched_find_first_bit(unsigned long *b) -{ - return find_first_bit(b, 140); -} - -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> - -#include <asm-generic/bitops/hweight.h> -#include <asm-generic/bitops/lock.h> - -/* - * ATTENTION: intel byte ordering convention for ext2 and minix !! - * bit 0 is the LSB of addr; bit 31 is the MSB of addr; - * bit 32 is the LSB of (addr+4). - * That combined with the little endian byte order of Intel gives the - * following bit order in memory: - * 07 06 05 04 03 02 01 00 15 14 13 12 11 10 09 08 \ - * 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24 - */ - -static inline int find_first_zero_bit_le(void *vaddr, unsigned int size) -{ - unsigned long bytes, bits; - - if (!size) - return 0; - bytes = __ffz_word_loop(vaddr, size); - bits = __ffz_word(bytes*8, __load_ulong_le(vaddr, bytes)); - return (bits < size) ? bits : size; -} -#define find_first_zero_bit_le find_first_zero_bit_le - -static inline int find_next_zero_bit_le(void *vaddr, unsigned long size, - unsigned long offset) -{ - unsigned long *addr = vaddr, *p; - unsigned long bit, set; - - if (offset >= size) - return size; - bit = offset & (__BITOPS_WORDSIZE - 1); - offset -= bit; - size -= offset; - p = addr + offset / __BITOPS_WORDSIZE; - if (bit) { - /* - * s390 version of ffz returns __BITOPS_WORDSIZE - * if no zero bit is present in the word. - */ - set = __ffz_word(bit, __load_ulong_le(p, 0) >> bit); - if (set >= size) - return size + offset; - if (set < __BITOPS_WORDSIZE) - return set + offset; - offset += __BITOPS_WORDSIZE; - size -= __BITOPS_WORDSIZE; - p++; - } - return offset + find_first_zero_bit_le(p, size); -} -#define find_next_zero_bit_le find_next_zero_bit_le - -static inline unsigned long find_first_bit_le(void *vaddr, unsigned long size) -{ - unsigned long bytes, bits; - - if (!size) - return 0; - bytes = __ffs_word_loop(vaddr, size); - bits = __ffs_word(bytes*8, __load_ulong_le(vaddr, bytes)); - return (bits < size) ? bits : size; -} -#define find_first_bit_le find_first_bit_le - -static inline int find_next_bit_le(void *vaddr, unsigned long size, - unsigned long offset) -{ - unsigned long *addr = vaddr, *p; - unsigned long bit, set; - - if (offset >= size) - return size; - bit = offset & (__BITOPS_WORDSIZE - 1); - offset -= bit; - size -= offset; - p = addr + offset / __BITOPS_WORDSIZE; - if (bit) { - /* - * s390 version of ffz returns __BITOPS_WORDSIZE - * if no zero bit is present in the word. - */ - set = __ffs_word(0, __load_ulong_le(p, 0) & (~0UL << bit)); - if (set >= size) - return size + offset; - if (set < __BITOPS_WORDSIZE) - return set + offset; - offset += __BITOPS_WORDSIZE; - size -= __BITOPS_WORDSIZE; - p++; - } - return offset + find_first_bit_le(p, size); -} -#define find_next_bit_le find_next_bit_le - -#include <asm-generic/bitops/le.h> - -#include <asm-generic/bitops/ext2-atomic-setbit.h> - - -#endif /* __KERNEL__ */ - -#endif /* _S390_BITOPS_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/bitsperlong.h b/ANDROID_3.4.5/arch/s390/include/asm/bitsperlong.h deleted file mode 100644 index 6b235aea..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/bitsperlong.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __ASM_S390_BITSPERLONG_H -#define __ASM_S390_BITSPERLONG_H - -#ifndef __s390x__ -#define __BITS_PER_LONG 32 -#else -#define __BITS_PER_LONG 64 -#endif - -#include <asm-generic/bitsperlong.h> - -#endif /* __ASM_S390_BITSPERLONG_H */ - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/bug.h b/ANDROID_3.4.5/arch/s390/include/asm/bug.h deleted file mode 100644 index bf90d1fd..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/bug.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef _ASM_S390_BUG_H -#define _ASM_S390_BUG_H - -#include <linux/kernel.h> - -#ifdef CONFIG_BUG - -#ifdef CONFIG_DEBUG_BUGVERBOSE - -#define __EMIT_BUG(x) do { \ - asm volatile( \ - "0: j 0b+2\n" \ - "1:\n" \ - ".section .rodata.str,\"aMS\",@progbits,1\n" \ - "2: .asciz \""__FILE__"\"\n" \ - ".previous\n" \ - ".section __bug_table,\"a\"\n" \ - "3: .long 1b-3b,2b-3b\n" \ - " .short %0,%1\n" \ - " .org 3b+%2\n" \ - ".previous\n" \ - : : "i" (__LINE__), \ - "i" (x), \ - "i" (sizeof(struct bug_entry))); \ -} while (0) - -#else /* CONFIG_DEBUG_BUGVERBOSE */ - -#define __EMIT_BUG(x) do { \ - asm volatile( \ - "0: j 0b+2\n" \ - "1:\n" \ - ".section __bug_table,\"a\"\n" \ - "2: .long 1b-2b\n" \ - " .short %0\n" \ - " .org 2b+%1\n" \ - ".previous\n" \ - : : "i" (x), \ - "i" (sizeof(struct bug_entry))); \ -} while (0) - -#endif /* CONFIG_DEBUG_BUGVERBOSE */ - -#define BUG() do { \ - __EMIT_BUG(0); \ - unreachable(); \ -} while (0) - -#define __WARN_TAINT(taint) do { \ - __EMIT_BUG(BUGFLAG_TAINT(taint)); \ -} while (0) - -#define WARN_ON(x) ({ \ - int __ret_warn_on = !!(x); \ - if (__builtin_constant_p(__ret_warn_on)) { \ - if (__ret_warn_on) \ - __WARN(); \ - } else { \ - if (unlikely(__ret_warn_on)) \ - __WARN(); \ - } \ - unlikely(__ret_warn_on); \ -}) - -#define HAVE_ARCH_BUG -#define HAVE_ARCH_WARN_ON -#endif /* CONFIG_BUG */ - -#include <asm-generic/bug.h> - -#endif /* _ASM_S390_BUG_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/bugs.h b/ANDROID_3.4.5/arch/s390/include/asm/bugs.h deleted file mode 100644 index 011f1e6a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/bugs.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * include/asm-s390/bugs.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/bugs.h" - * Copyright (C) 1994 Linus Torvalds - */ - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -static inline void check_bugs(void) -{ - /* s390 has no bugs ... */ -} diff --git a/ANDROID_3.4.5/arch/s390/include/asm/byteorder.h b/ANDROID_3.4.5/arch/s390/include/asm/byteorder.h deleted file mode 100644 index a332e59e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/byteorder.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _S390_BYTEORDER_H -#define _S390_BYTEORDER_H - -#include <linux/byteorder/big_endian.h> - -#endif /* _S390_BYTEORDER_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cache.h b/ANDROID_3.4.5/arch/s390/include/asm/cache.h deleted file mode 100644 index 2a30d5ac..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cache.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * include/asm-s390/cache.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * - * Derived from "include/asm-i386/cache.h" - * Copyright (C) 1992, Linus Torvalds - */ - -#ifndef __ARCH_S390_CACHE_H -#define __ARCH_S390_CACHE_H - -#define L1_CACHE_BYTES 256 -#define L1_CACHE_SHIFT 8 -#define NET_SKB_PAD 32 - -#define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cacheflush.h b/ANDROID_3.4.5/arch/s390/include/asm/cacheflush.h deleted file mode 100644 index 3e20383d..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cacheflush.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef _S390_CACHEFLUSH_H -#define _S390_CACHEFLUSH_H - -/* Caches aren't brain-dead on the s390. */ -#include <asm-generic/cacheflush.h> - -#ifdef CONFIG_DEBUG_PAGEALLOC -void kernel_map_pages(struct page *page, int numpages, int enable); -#endif - -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); - -#endif /* _S390_CACHEFLUSH_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ccwdev.h b/ANDROID_3.4.5/arch/s390/include/asm/ccwdev.h deleted file mode 100644 index 9381c92c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ccwdev.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright IBM Corp. 2002, 2009 - * - * Author(s): Arnd Bergmann <arndb@de.ibm.com> - * - * Interface for CCW device drivers - */ -#ifndef _S390_CCWDEV_H_ -#define _S390_CCWDEV_H_ - -#include <linux/device.h> -#include <linux/mod_devicetable.h> -#include <asm/fcx.h> -#include <asm/irq.h> - -/* structs from asm/cio.h */ -struct irb; -struct ccw1; -struct ccw_dev_id; - -/* simplified initializers for struct ccw_device: - * CCW_DEVICE and CCW_DEVICE_DEVTYPE initialize one - * entry in your MODULE_DEVICE_TABLE and set the match_flag correctly */ -#define CCW_DEVICE(cu, cum) \ - .cu_type=(cu), .cu_model=(cum), \ - .match_flags=(CCW_DEVICE_ID_MATCH_CU_TYPE \ - | (cum ? CCW_DEVICE_ID_MATCH_CU_MODEL : 0)) - -#define CCW_DEVICE_DEVTYPE(cu, cum, dev, devm) \ - .cu_type=(cu), .cu_model=(cum), .dev_type=(dev), .dev_model=(devm),\ - .match_flags=CCW_DEVICE_ID_MATCH_CU_TYPE \ - | ((cum) ? CCW_DEVICE_ID_MATCH_CU_MODEL : 0) \ - | CCW_DEVICE_ID_MATCH_DEVICE_TYPE \ - | ((devm) ? CCW_DEVICE_ID_MATCH_DEVICE_MODEL : 0) - -/* scan through an array of device ids and return the first - * entry that matches the device. - * - * the array must end with an entry containing zero match_flags - */ -static inline const struct ccw_device_id * -ccw_device_id_match(const struct ccw_device_id *array, - const struct ccw_device_id *match) -{ - const struct ccw_device_id *id = array; - - for (id = array; id->match_flags; id++) { - if ((id->match_flags & CCW_DEVICE_ID_MATCH_CU_TYPE) - && (id->cu_type != match->cu_type)) - continue; - - if ((id->match_flags & CCW_DEVICE_ID_MATCH_CU_MODEL) - && (id->cu_model != match->cu_model)) - continue; - - if ((id->match_flags & CCW_DEVICE_ID_MATCH_DEVICE_TYPE) - && (id->dev_type != match->dev_type)) - continue; - - if ((id->match_flags & CCW_DEVICE_ID_MATCH_DEVICE_MODEL) - && (id->dev_model != match->dev_model)) - continue; - - return id; - } - - return NULL; -} - -/** - * struct ccw_device - channel attached device - * @ccwlock: pointer to device lock - * @id: id of this device - * @drv: ccw driver for this device - * @dev: embedded device structure - * @online: online status of device - * @handler: interrupt handler - * - * @handler is a member of the device rather than the driver since a driver - * can have different interrupt handlers for different ccw devices - * (multi-subchannel drivers). - */ -struct ccw_device { - spinlock_t *ccwlock; -/* private: */ - struct ccw_device_private *private; /* cio private information */ -/* public: */ - struct ccw_device_id id; - struct ccw_driver *drv; - struct device dev; - int online; - void (*handler) (struct ccw_device *, unsigned long, struct irb *); -}; - -/* - * Possible events used by the path_event notifier. - */ -#define PE_NONE 0x0 -#define PE_PATH_GONE 0x1 /* A path is no longer available. */ -#define PE_PATH_AVAILABLE 0x2 /* A path has become available and - was successfully verified. */ -#define PE_PATHGROUP_ESTABLISHED 0x4 /* A pathgroup was reset and had - to be established again. */ - -/* - * Possible CIO actions triggered by the unit check handler. - */ -enum uc_todo { - UC_TODO_RETRY, - UC_TODO_RETRY_ON_NEW_PATH, - UC_TODO_STOP -}; - -/** - * struct ccw driver - device driver for channel attached devices - * @ids: ids supported by this driver - * @probe: function called on probe - * @remove: function called on remove - * @set_online: called when setting device online - * @set_offline: called when setting device offline - * @notify: notify driver of device state changes - * @path_event: notify driver of channel path events - * @shutdown: called at device shutdown - * @prepare: prepare for pm state transition - * @complete: undo work done in @prepare - * @freeze: callback for freezing during hibernation snapshotting - * @thaw: undo work done in @freeze - * @restore: callback for restoring after hibernation - * @uc_handler: callback for unit check handler - * @driver: embedded device driver structure - * @int_class: interruption class to use for accounting interrupts - */ -struct ccw_driver { - struct ccw_device_id *ids; - int (*probe) (struct ccw_device *); - void (*remove) (struct ccw_device *); - int (*set_online) (struct ccw_device *); - int (*set_offline) (struct ccw_device *); - int (*notify) (struct ccw_device *, int); - void (*path_event) (struct ccw_device *, int *); - void (*shutdown) (struct ccw_device *); - int (*prepare) (struct ccw_device *); - void (*complete) (struct ccw_device *); - int (*freeze)(struct ccw_device *); - int (*thaw) (struct ccw_device *); - int (*restore)(struct ccw_device *); - enum uc_todo (*uc_handler) (struct ccw_device *, struct irb *); - struct device_driver driver; - enum interruption_class int_class; -}; - -extern struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv, - const char *bus_id); - -/* devices drivers call these during module load and unload. - * When a driver is registered, its probe method is called - * when new devices for its type pop up */ -extern int ccw_driver_register (struct ccw_driver *driver); -extern void ccw_driver_unregister (struct ccw_driver *driver); - -struct ccw1; - -extern int ccw_device_set_options_mask(struct ccw_device *, unsigned long); -extern int ccw_device_set_options(struct ccw_device *, unsigned long); -extern void ccw_device_clear_options(struct ccw_device *, unsigned long); -int ccw_device_is_pathgroup(struct ccw_device *cdev); -int ccw_device_is_multipath(struct ccw_device *cdev); - -/* Allow for i/o completion notification after primary interrupt status. */ -#define CCWDEV_EARLY_NOTIFICATION 0x0001 -/* Report all interrupt conditions. */ -#define CCWDEV_REPORT_ALL 0x0002 -/* Try to perform path grouping. */ -#define CCWDEV_DO_PATHGROUP 0x0004 -/* Allow forced onlining of boxed devices. */ -#define CCWDEV_ALLOW_FORCE 0x0008 -/* Try to use multipath mode. */ -#define CCWDEV_DO_MULTIPATH 0x0010 - -extern int ccw_device_start(struct ccw_device *, struct ccw1 *, - unsigned long, __u8, unsigned long); -extern int ccw_device_start_timeout(struct ccw_device *, struct ccw1 *, - unsigned long, __u8, unsigned long, int); -extern int ccw_device_start_key(struct ccw_device *, struct ccw1 *, - unsigned long, __u8, __u8, unsigned long); -extern int ccw_device_start_timeout_key(struct ccw_device *, struct ccw1 *, - unsigned long, __u8, __u8, - unsigned long, int); - - -extern int ccw_device_resume(struct ccw_device *); -extern int ccw_device_halt(struct ccw_device *, unsigned long); -extern int ccw_device_clear(struct ccw_device *, unsigned long); -int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, - unsigned long intparm, u8 lpm, u8 key); -int ccw_device_tm_start_key(struct ccw_device *, struct tcw *, - unsigned long, u8, u8); -int ccw_device_tm_start_timeout_key(struct ccw_device *, struct tcw *, - unsigned long, u8, u8, int); -int ccw_device_tm_start(struct ccw_device *, struct tcw *, - unsigned long, u8); -int ccw_device_tm_start_timeout(struct ccw_device *, struct tcw *, - unsigned long, u8, int); -int ccw_device_tm_intrg(struct ccw_device *cdev); - -int ccw_device_get_mdc(struct ccw_device *cdev, u8 mask); - -extern int ccw_device_set_online(struct ccw_device *cdev); -extern int ccw_device_set_offline(struct ccw_device *cdev); - - -extern struct ciw *ccw_device_get_ciw(struct ccw_device *, __u32 cmd); -extern __u8 ccw_device_get_path_mask(struct ccw_device *); -extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *); - -#define get_ccwdev_lock(x) (x)->ccwlock - -#define to_ccwdev(n) container_of(n, struct ccw_device, dev) -#define to_ccwdrv(n) container_of(n, struct ccw_driver, driver) - -extern struct ccw_device *ccw_device_probe_console(void); -extern int ccw_device_force_console(void); - -int ccw_device_siosl(struct ccw_device *); - -// FIXME: these have to go -extern int _ccw_device_get_subchannel_number(struct ccw_device *); - -extern void *ccw_device_get_chp_desc(struct ccw_device *, int); -#endif /* _S390_CCWDEV_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ccwgroup.h b/ANDROID_3.4.5/arch/s390/include/asm/ccwgroup.h deleted file mode 100644 index f2ea2c56..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ccwgroup.h +++ /dev/null @@ -1,75 +0,0 @@ -#ifndef S390_CCWGROUP_H -#define S390_CCWGROUP_H - -struct ccw_device; -struct ccw_driver; - -/** - * struct ccwgroup_device - ccw group device - * @creator_id: unique number of the driver - * @state: online/offline state - * @count: number of attached slave devices - * @dev: embedded device structure - * @cdev: variable number of slave devices, allocated as needed - */ -struct ccwgroup_device { - unsigned long creator_id; - enum { - CCWGROUP_OFFLINE, - CCWGROUP_ONLINE, - } state; -/* private: */ - atomic_t onoff; - struct mutex reg_mutex; -/* public: */ - unsigned int count; - struct device dev; - struct ccw_device *cdev[0]; -}; - -/** - * struct ccwgroup_driver - driver for ccw group devices - * @max_slaves: maximum number of slave devices - * @driver_id: unique id - * @probe: function called on probe - * @remove: function called on remove - * @set_online: function called when device is set online - * @set_offline: function called when device is set offline - * @shutdown: function called when device is shut down - * @prepare: prepare for pm state transition - * @complete: undo work done in @prepare - * @freeze: callback for freezing during hibernation snapshotting - * @thaw: undo work done in @freeze - * @restore: callback for restoring after hibernation - * @driver: embedded driver structure - */ -struct ccwgroup_driver { - int max_slaves; - unsigned long driver_id; - - int (*probe) (struct ccwgroup_device *); - void (*remove) (struct ccwgroup_device *); - int (*set_online) (struct ccwgroup_device *); - int (*set_offline) (struct ccwgroup_device *); - void (*shutdown)(struct ccwgroup_device *); - int (*prepare) (struct ccwgroup_device *); - void (*complete) (struct ccwgroup_device *); - int (*freeze)(struct ccwgroup_device *); - int (*thaw) (struct ccwgroup_device *); - int (*restore)(struct ccwgroup_device *); - - struct device_driver driver; -}; - -extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver); -extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver); -int ccwgroup_create_from_string(struct device *root, unsigned int creator_id, - struct ccw_driver *cdrv, int num_devices, - const char *buf); - -extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev); -extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev); - -#define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev) -#define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver) -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/checksum.h b/ANDROID_3.4.5/arch/s390/include/asm/checksum.h deleted file mode 100644 index 6c00f680..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/checksum.h +++ /dev/null @@ -1,149 +0,0 @@ -#ifndef _S390_CHECKSUM_H -#define _S390_CHECKSUM_H - -/* - * include/asm-s390/checksum.h - * S390 fast network checksum routines - * see also arch/S390/lib/checksum.c - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Ulrich Hild (first version) - * Martin Schwidefsky (heavily optimized CKSM version) - * D.J. Barrow (third attempt) - */ - -#include <asm/uaccess.h> - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -static inline __wsum -csum_partial(const void *buff, int len, __wsum sum) -{ - register unsigned long reg2 asm("2") = (unsigned long) buff; - register unsigned long reg3 asm("3") = (unsigned long) len; - - asm volatile( - "0: cksm %0,%1\n" /* do checksum on longs */ - " jo 0b\n" - : "+d" (sum), "+d" (reg2), "+d" (reg3) : : "cc", "memory"); - return sum; -} - -/* - * the same as csum_partial_copy, but copies from user space. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - * - * Copy from userspace and compute checksum. If we catch an exception - * then zero the rest of the buffer. - */ -static inline __wsum -csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, - int *err_ptr) -{ - int missing; - - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len, sum); -} - - -static inline __wsum -csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum) -{ - memcpy(dst,src,len); - return csum_partial(dst, len, sum); -} - -/* - * Fold a partial checksum without adding pseudo headers - */ -static inline __sum16 csum_fold(__wsum sum) -{ - u32 csum = (__force u32) sum; - - csum += (csum >> 16) + (csum << 16); - csum >>= 16; - return (__force __sum16) ~csum; -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - return csum_fold(csum_partial(iph, ihl*4, 0)); -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 32-bit checksum - */ -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, - unsigned short len, unsigned short proto, - __wsum sum) -{ - __u32 csum = (__force __u32)sum; - - csum += (__force __u32)saddr; - if (csum < (__force __u32)saddr) - csum++; - - csum += (__force __u32)daddr; - if (csum < (__force __u32)daddr) - csum++; - - csum += len + proto; - if (csum < len + proto) - csum++; - - return (__force __wsum)csum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ - -static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, unsigned short proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ - -static inline __sum16 ip_compute_csum(const void *buff, int len) -{ - return csum_fold(csum_partial(buff, len, 0)); -} - -#endif /* _S390_CHECKSUM_H */ - - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/chpid.h b/ANDROID_3.4.5/arch/s390/include/asm/chpid.h deleted file mode 100644 index 8e88e222..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/chpid.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * drivers/s390/cio/chpid.h - * - * Copyright IBM Corp. 2007 - * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_CHPID_H -#define _ASM_S390_CHPID_H - -#include <linux/string.h> -#include <linux/types.h> - -#define __MAX_CHPID 255 - -struct chp_id { - u8 reserved1; - u8 cssid; - u8 reserved2; - u8 id; -} __attribute__((packed)); - -#ifdef __KERNEL__ -#include <asm/cio.h> - -static inline void chp_id_init(struct chp_id *chpid) -{ - memset(chpid, 0, sizeof(struct chp_id)); -} - -static inline int chp_id_is_equal(struct chp_id *a, struct chp_id *b) -{ - return (a->id == b->id) && (a->cssid == b->cssid); -} - -static inline void chp_id_next(struct chp_id *chpid) -{ - if (chpid->id < __MAX_CHPID) - chpid->id++; - else { - chpid->id = 0; - chpid->cssid++; - } -} - -static inline int chp_id_is_valid(struct chp_id *chpid) -{ - return (chpid->cssid <= __MAX_CSSID); -} - - -#define chp_id_for_each(c) \ - for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c)) -#endif /* __KERNEL */ - -#endif /* _ASM_S390_CHPID_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/chsc.h b/ANDROID_3.4.5/arch/s390/include/asm/chsc.h deleted file mode 100644 index 4943654e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/chsc.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * ioctl interface for /dev/chsc - * - * Copyright 2008 IBM Corp. - * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> - */ - -#ifndef _ASM_CHSC_H -#define _ASM_CHSC_H - -#include <linux/types.h> -#include <asm/chpid.h> -#include <asm/schid.h> - -struct chsc_async_header { - __u16 length; - __u16 code; - __u32 cmd_dependend; - __u32 key : 4; - __u32 : 28; - struct subchannel_id sid; -} __attribute__ ((packed)); - -struct chsc_async_area { - struct chsc_async_header header; - __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */]; -} __attribute__ ((packed)); - - -struct chsc_response_struct { - __u16 length; - __u16 code; - __u32 parms; - __u8 data[PAGE_SIZE - 8]; -} __attribute__ ((packed)); - -struct chsc_chp_cd { - struct chp_id chpid; - int m; - int fmt; - struct chsc_response_struct cpcb; -}; - -struct chsc_cu_cd { - __u16 cun; - __u8 cssid; - int m; - int fmt; - struct chsc_response_struct cucb; -}; - -struct chsc_sch_cud { - struct subchannel_id schid; - int fmt; - struct chsc_response_struct scub; -}; - -struct conf_id { - int m; - __u8 cssid; - __u8 ssid; -}; - -struct chsc_conf_info { - struct conf_id id; - int fmt; - struct chsc_response_struct scid; -}; - -struct ccl_parm_chpid { - int m; - struct chp_id chp; -}; - -struct ccl_parm_cssids { - __u8 f_cssid; - __u8 l_cssid; -}; - -struct chsc_comp_list { - struct { - enum { - CCL_CU_ON_CHP = 1, - CCL_CHP_TYPE_CAP = 2, - CCL_CSS_IMG = 4, - CCL_CSS_IMG_CONF_CHAR = 5, - CCL_IOP_CHP = 6, - } ctype; - int fmt; - struct ccl_parm_chpid chpid; - struct ccl_parm_cssids cssids; - } req; - struct chsc_response_struct sccl; -}; - -struct chsc_dcal { - struct { - enum { - DCAL_CSS_IID_PN = 4, - } atype; - __u32 list_parm[2]; - int fmt; - } req; - struct chsc_response_struct sdcal; -}; - -struct chsc_cpd_info { - struct chp_id chpid; - int m; - int fmt; - int rfmt; - int c; - struct chsc_response_struct chpdb; -}; - -#define CHSC_IOCTL_MAGIC 'c' - -#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area) -#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \ - struct chsc_chp_cd) -#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd) -#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud) -#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info) -#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list) -#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info) -#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal) - -#ifdef __KERNEL__ - -struct css_general_char { - u64 : 12; - u32 dynio : 1; /* bit 12 */ - u32 : 28; - u32 aif : 1; /* bit 41 */ - u32 : 3; - u32 mcss : 1; /* bit 45 */ - u32 fcs : 1; /* bit 46 */ - u32 : 1; - u32 ext_mb : 1; /* bit 48 */ - u32 : 7; - u32 aif_tdd : 1; /* bit 56 */ - u32 : 1; - u32 qebsm : 1; /* bit 58 */ - u32 : 8; - u32 aif_osa : 1; /* bit 67 */ - u32 : 14; - u32 cib : 1; /* bit 82 */ - u32 : 5; - u32 fcx : 1; /* bit 88 */ - u32 : 7; -}__attribute__((packed)); - -extern struct css_general_char css_general_characteristics; - -#endif /* __KERNEL__ */ -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cio.h b/ANDROID_3.4.5/arch/s390/include/asm/cio.h deleted file mode 100644 index fc50a334..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cio.h +++ /dev/null @@ -1,295 +0,0 @@ -/* - * include/asm-s390/cio.h - * include/asm-s390x/cio.h - * - * Common interface for I/O on S/390 - */ -#ifndef _ASM_S390_CIO_H_ -#define _ASM_S390_CIO_H_ - -#include <linux/spinlock.h> -#include <asm/types.h> - -#ifdef __KERNEL__ - -#define LPM_ANYPATH 0xff -#define __MAX_CSSID 0 - -#include <asm/scsw.h> - -/** - * struct ccw1 - channel command word - * @cmd_code: command code - * @flags: flags, like IDA addressing, etc. - * @count: byte count - * @cda: data address - * - * The ccw is the basic structure to build channel programs that perform - * operations with the device or the control unit. Only Format-1 channel - * command words are supported. - */ -struct ccw1 { - __u8 cmd_code; - __u8 flags; - __u16 count; - __u32 cda; -} __attribute__ ((packed,aligned(8))); - -#define CCW_FLAG_DC 0x80 -#define CCW_FLAG_CC 0x40 -#define CCW_FLAG_SLI 0x20 -#define CCW_FLAG_SKIP 0x10 -#define CCW_FLAG_PCI 0x08 -#define CCW_FLAG_IDA 0x04 -#define CCW_FLAG_SUSPEND 0x02 - -#define CCW_CMD_READ_IPL 0x02 -#define CCW_CMD_NOOP 0x03 -#define CCW_CMD_BASIC_SENSE 0x04 -#define CCW_CMD_TIC 0x08 -#define CCW_CMD_STLCK 0x14 -#define CCW_CMD_SENSE_PGID 0x34 -#define CCW_CMD_SUSPEND_RECONN 0x5B -#define CCW_CMD_RDC 0x64 -#define CCW_CMD_RELEASE 0x94 -#define CCW_CMD_SET_PGID 0xAF -#define CCW_CMD_SENSE_ID 0xE4 -#define CCW_CMD_DCTL 0xF3 - -#define SENSE_MAX_COUNT 0x20 - -/** - * struct erw - extended report word - * @res0: reserved - * @auth: authorization check - * @pvrf: path-verification-required flag - * @cpt: channel-path timeout - * @fsavf: failing storage address validity flag - * @cons: concurrent sense - * @scavf: secondary ccw address validity flag - * @fsaf: failing storage address format - * @scnt: sense count, if @cons == %1 - * @res16: reserved - */ -struct erw { - __u32 res0 : 3; - __u32 auth : 1; - __u32 pvrf : 1; - __u32 cpt : 1; - __u32 fsavf : 1; - __u32 cons : 1; - __u32 scavf : 1; - __u32 fsaf : 1; - __u32 scnt : 6; - __u32 res16 : 16; -} __attribute__ ((packed)); - -/** - * struct sublog - subchannel logout area - * @res0: reserved - * @esf: extended status flags - * @lpum: last path used mask - * @arep: ancillary report - * @fvf: field-validity flags - * @sacc: storage access code - * @termc: termination code - * @devsc: device-status check - * @serr: secondary error - * @ioerr: i/o-error alert - * @seqc: sequence code - */ -struct sublog { - __u32 res0 : 1; - __u32 esf : 7; - __u32 lpum : 8; - __u32 arep : 1; - __u32 fvf : 5; - __u32 sacc : 2; - __u32 termc : 2; - __u32 devsc : 1; - __u32 serr : 1; - __u32 ioerr : 1; - __u32 seqc : 3; -} __attribute__ ((packed)); - -/** - * struct esw0 - Format 0 Extended Status Word (ESW) - * @sublog: subchannel logout - * @erw: extended report word - * @faddr: failing storage address - * @saddr: secondary ccw address - */ -struct esw0 { - struct sublog sublog; - struct erw erw; - __u32 faddr[2]; - __u32 saddr; -} __attribute__ ((packed)); - -/** - * struct esw1 - Format 1 Extended Status Word (ESW) - * @zero0: reserved zeros - * @lpum: last path used mask - * @zero16: reserved zeros - * @erw: extended report word - * @zeros: three fullwords of zeros - */ -struct esw1 { - __u8 zero0; - __u8 lpum; - __u16 zero16; - struct erw erw; - __u32 zeros[3]; -} __attribute__ ((packed)); - -/** - * struct esw2 - Format 2 Extended Status Word (ESW) - * @zero0: reserved zeros - * @lpum: last path used mask - * @dcti: device-connect-time interval - * @erw: extended report word - * @zeros: three fullwords of zeros - */ -struct esw2 { - __u8 zero0; - __u8 lpum; - __u16 dcti; - struct erw erw; - __u32 zeros[3]; -} __attribute__ ((packed)); - -/** - * struct esw3 - Format 3 Extended Status Word (ESW) - * @zero0: reserved zeros - * @lpum: last path used mask - * @res: reserved - * @erw: extended report word - * @zeros: three fullwords of zeros - */ -struct esw3 { - __u8 zero0; - __u8 lpum; - __u16 res; - struct erw erw; - __u32 zeros[3]; -} __attribute__ ((packed)); - -/** - * struct irb - interruption response block - * @scsw: subchannel status word - * @esw: extened status word, 4 formats - * @ecw: extended control word - * - * The irb that is handed to the device driver when an interrupt occurs. For - * solicited interrupts, the common I/O layer already performs checks whether - * a field is valid; a field not being valid is always passed as %0. - * If a unit check occurred, @ecw may contain sense data; this is retrieved - * by the common I/O layer itself if the device doesn't support concurrent - * sense (so that the device driver never needs to perform basic sene itself). - * For unsolicited interrupts, the irb is passed as-is (expect for sense data, - * if applicable). - */ -struct irb { - union scsw scsw; - union { - struct esw0 esw0; - struct esw1 esw1; - struct esw2 esw2; - struct esw3 esw3; - } esw; - __u8 ecw[32]; -} __attribute__ ((packed,aligned(4))); - -/** - * struct ciw - command information word (CIW) layout - * @et: entry type - * @reserved: reserved bits - * @ct: command type - * @cmd: command code - * @count: command count - */ -struct ciw { - __u32 et : 2; - __u32 reserved : 2; - __u32 ct : 4; - __u32 cmd : 8; - __u32 count : 16; -} __attribute__ ((packed)); - -#define CIW_TYPE_RCD 0x0 /* read configuration data */ -#define CIW_TYPE_SII 0x1 /* set interface identifier */ -#define CIW_TYPE_RNI 0x2 /* read node identifier */ - -/* - * Flags used as input parameters for do_IO() - */ -#define DOIO_ALLOW_SUSPEND 0x0001 /* allow for channel prog. suspend */ -#define DOIO_DENY_PREFETCH 0x0002 /* don't allow for CCW prefetch */ -#define DOIO_SUPPRESS_INTER 0x0004 /* suppress intermediate inter. */ - /* ... for suspended CCWs */ -/* Device or subchannel gone. */ -#define CIO_GONE 0x0001 -/* No path to device. */ -#define CIO_NO_PATH 0x0002 -/* Device has appeared. */ -#define CIO_OPER 0x0004 -/* Sick revalidation of device. */ -#define CIO_REVALIDATE 0x0008 -/* Device did not respond in time. */ -#define CIO_BOXED 0x0010 - -/** - * struct ccw_dev_id - unique identifier for ccw devices - * @ssid: subchannel set id - * @devno: device number - * - * This structure is not directly based on any hardware structure. The - * hardware identifies a device by its device number and its subchannel, - * which is in turn identified by its id. In order to get a unique identifier - * for ccw devices across subchannel sets, @struct ccw_dev_id has been - * introduced. - */ -struct ccw_dev_id { - u8 ssid; - u16 devno; -}; - -/** - * ccw_device_id_is_equal() - compare two ccw_dev_ids - * @dev_id1: a ccw_dev_id - * @dev_id2: another ccw_dev_id - * Returns: - * %1 if the two structures are equal field-by-field, - * %0 if not. - * Context: - * any - */ -static inline int ccw_dev_id_is_equal(struct ccw_dev_id *dev_id1, - struct ccw_dev_id *dev_id2) -{ - if ((dev_id1->ssid == dev_id2->ssid) && - (dev_id1->devno == dev_id2->devno)) - return 1; - return 0; -} - -extern void wait_cons_dev(void); - -extern void css_schedule_reprobe(void); - -extern void reipl_ccw_dev(struct ccw_dev_id *id); - -struct cio_iplinfo { - u16 devno; - int is_qdio; -}; - -extern int cio_get_iplinfo(struct cio_iplinfo *iplinfo); - -/* Function from drivers/s390/cio/chsc.c */ -int chsc_sstpc(void *page, unsigned int op, u16 ctrl); -int chsc_sstpi(void *page, void *result, size_t size); - -#endif - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cmb.h b/ANDROID_3.4.5/arch/s390/include/asm/cmb.h deleted file mode 100644 index 39ae0329..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cmb.h +++ /dev/null @@ -1,61 +0,0 @@ -#ifndef S390_CMB_H -#define S390_CMB_H - -#include <linux/types.h> - -/** - * struct cmbdata - channel measurement block data for user space - * @size: size of the stored data - * @elapsed_time: time since last sampling - * @ssch_rsch_count: number of ssch and rsch - * @sample_count: number of samples - * @device_connect_time: time of device connect - * @function_pending_time: time of function pending - * @device_disconnect_time: time of device disconnect - * @control_unit_queuing_time: time of control unit queuing - * @device_active_only_time: time of device active only - * @device_busy_time: time of device busy (ext. format) - * @initial_command_response_time: initial command response time (ext. format) - * - * All values are stored as 64 bit for simplicity, especially - * in 32 bit emulation mode. All time values are normalized to - * nanoseconds. - * Currently, two formats are known, which differ by the size of - * this structure, i.e. the last two members are only set when - * the extended channel measurement facility (first shipped in - * z990 machines) is activated. - * Potentially, more fields could be added, which would result in a - * new ioctl number. - */ -struct cmbdata { - __u64 size; - __u64 elapsed_time; - /* basic and exended format: */ - __u64 ssch_rsch_count; - __u64 sample_count; - __u64 device_connect_time; - __u64 function_pending_time; - __u64 device_disconnect_time; - __u64 control_unit_queuing_time; - __u64 device_active_only_time; - /* extended format only: */ - __u64 device_busy_time; - __u64 initial_command_response_time; -}; - -/* enable channel measurement */ -#define BIODASDCMFENABLE _IO(DASD_IOCTL_LETTER, 32) -/* enable channel measurement */ -#define BIODASDCMFDISABLE _IO(DASD_IOCTL_LETTER, 33) -/* read channel measurement data */ -#define BIODASDREADALLCMB _IOWR(DASD_IOCTL_LETTER, 33, struct cmbdata) - -#ifdef __KERNEL__ -struct ccw_device; -extern int enable_cmf(struct ccw_device *cdev); -extern int disable_cmf(struct ccw_device *cdev); -extern u64 cmf_read(struct ccw_device *cdev, int index); -extern int cmf_readall(struct ccw_device *cdev, struct cmbdata *data); - -#endif /* __KERNEL__ */ -#endif /* S390_CMB_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cmpxchg.h b/ANDROID_3.4.5/arch/s390/include/asm/cmpxchg.h deleted file mode 100644 index 81d79084..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cmpxchg.h +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2011 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - */ - -#ifndef __ASM_CMPXCHG_H -#define __ASM_CMPXCHG_H - -#include <linux/types.h> - -extern void __xchg_called_with_bad_pointer(void); - -static inline unsigned long __xchg(unsigned long x, void *ptr, int size) -{ - unsigned long addr, old; - int shift; - - switch (size) { - case 1: - addr = (unsigned long) ptr; - shift = (3 ^ (addr & 3)) << 3; - addr ^= addr & 3; - asm volatile( - " l %0,%4\n" - "0: lr 0,%0\n" - " nr 0,%3\n" - " or 0,%2\n" - " cs %0,0,%4\n" - " jl 0b\n" - : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(255 << shift)), - "Q" (*(int *) addr) : "memory", "cc", "0"); - return old >> shift; - case 2: - addr = (unsigned long) ptr; - shift = (2 ^ (addr & 2)) << 3; - addr ^= addr & 2; - asm volatile( - " l %0,%4\n" - "0: lr 0,%0\n" - " nr 0,%3\n" - " or 0,%2\n" - " cs %0,0,%4\n" - " jl 0b\n" - : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(65535 << shift)), - "Q" (*(int *) addr) : "memory", "cc", "0"); - return old >> shift; - case 4: - asm volatile( - " l %0,%3\n" - "0: cs %0,%2,%3\n" - " jl 0b\n" - : "=&d" (old), "=Q" (*(int *) ptr) - : "d" (x), "Q" (*(int *) ptr) - : "memory", "cc"); - return old; -#ifdef CONFIG_64BIT - case 8: - asm volatile( - " lg %0,%3\n" - "0: csg %0,%2,%3\n" - " jl 0b\n" - : "=&d" (old), "=m" (*(long *) ptr) - : "d" (x), "Q" (*(long *) ptr) - : "memory", "cc"); - return old; -#endif /* CONFIG_64BIT */ - } - __xchg_called_with_bad_pointer(); - return x; -} - -#define xchg(ptr, x) \ -({ \ - __typeof__(*(ptr)) __ret; \ - __ret = (__typeof__(*(ptr))) \ - __xchg((unsigned long)(x), (void *)(ptr), sizeof(*(ptr)));\ - __ret; \ -}) - -/* - * Atomic compare and exchange. Compare OLD with MEM, if identical, - * store NEW in MEM. Return the initial value in MEM. Success is - * indicated by comparing RETURN with OLD. - */ - -#define __HAVE_ARCH_CMPXCHG - -extern void __cmpxchg_called_with_bad_pointer(void); - -static inline unsigned long __cmpxchg(void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long addr, prev, tmp; - int shift; - - switch (size) { - case 1: - addr = (unsigned long) ptr; - shift = (3 ^ (addr & 3)) << 3; - addr ^= addr & 3; - asm volatile( - " l %0,%2\n" - "0: nr %0,%5\n" - " lr %1,%0\n" - " or %0,%3\n" - " or %1,%4\n" - " cs %0,%1,%2\n" - " jnl 1f\n" - " xr %1,%0\n" - " nr %1,%5\n" - " jnz 0b\n" - "1:" - : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr) - : "d" (old << shift), "d" (new << shift), - "d" (~(255 << shift)), "Q" (*(int *) ptr) - : "memory", "cc"); - return prev >> shift; - case 2: - addr = (unsigned long) ptr; - shift = (2 ^ (addr & 2)) << 3; - addr ^= addr & 2; - asm volatile( - " l %0,%2\n" - "0: nr %0,%5\n" - " lr %1,%0\n" - " or %0,%3\n" - " or %1,%4\n" - " cs %0,%1,%2\n" - " jnl 1f\n" - " xr %1,%0\n" - " nr %1,%5\n" - " jnz 0b\n" - "1:" - : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr) - : "d" (old << shift), "d" (new << shift), - "d" (~(65535 << shift)), "Q" (*(int *) ptr) - : "memory", "cc"); - return prev >> shift; - case 4: - asm volatile( - " cs %0,%3,%1\n" - : "=&d" (prev), "=Q" (*(int *) ptr) - : "0" (old), "d" (new), "Q" (*(int *) ptr) - : "memory", "cc"); - return prev; -#ifdef CONFIG_64BIT - case 8: - asm volatile( - " csg %0,%3,%1\n" - : "=&d" (prev), "=Q" (*(long *) ptr) - : "0" (old), "d" (new), "Q" (*(long *) ptr) - : "memory", "cc"); - return prev; -#endif /* CONFIG_64BIT */ - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) - -#ifdef CONFIG_64BIT -#define cmpxchg64(ptr, o, n) \ -({ \ - cmpxchg((ptr), (o), (n)); \ -}) -#else /* CONFIG_64BIT */ -static inline unsigned long long __cmpxchg64(void *ptr, - unsigned long long old, - unsigned long long new) -{ - register_pair rp_old = {.pair = old}; - register_pair rp_new = {.pair = new}; - - asm volatile( - " cds %0,%2,%1" - : "+&d" (rp_old), "=Q" (ptr) - : "d" (rp_new), "Q" (ptr) - : "cc"); - return rp_old.pair; -} -#define cmpxchg64(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n))) -#endif /* CONFIG_64BIT */ - -#include <asm-generic/cmpxchg-local.h> - -static inline unsigned long __cmpxchg_local(void *ptr, - unsigned long old, - unsigned long new, int size) -{ - switch (size) { - case 1: - case 2: - case 4: -#ifdef CONFIG_64BIT - case 8: -#endif - return __cmpxchg(ptr, old, new, size); - default: - return __cmpxchg_local_generic(ptr, old, new, size); - } - - return old; -} - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) - -#define cmpxchg64_local(ptr, o, n) cmpxchg64((ptr), (o), (n)) - -#endif /* __ASM_CMPXCHG_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/compat.h b/ANDROID_3.4.5/arch/s390/include/asm/compat.h deleted file mode 100644 index 234f1d85..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/compat.h +++ /dev/null @@ -1,244 +0,0 @@ -#ifndef _ASM_S390X_COMPAT_H -#define _ASM_S390X_COMPAT_H -/* - * Architecture specific compatibility types - */ -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/thread_info.h> - -#define PSW32_MASK_PER 0x40000000UL -#define PSW32_MASK_DAT 0x04000000UL -#define PSW32_MASK_IO 0x02000000UL -#define PSW32_MASK_EXT 0x01000000UL -#define PSW32_MASK_KEY 0x00F00000UL -#define PSW32_MASK_BASE 0x00080000UL /* Always one */ -#define PSW32_MASK_MCHECK 0x00040000UL -#define PSW32_MASK_WAIT 0x00020000UL -#define PSW32_MASK_PSTATE 0x00010000UL -#define PSW32_MASK_ASC 0x0000C000UL -#define PSW32_MASK_CC 0x00003000UL -#define PSW32_MASK_PM 0x00000f00UL - -#define PSW32_MASK_USER 0x00003F00UL - -#define PSW32_ADDR_AMODE 0x80000000UL -#define PSW32_ADDR_INSN 0x7FFFFFFFUL - -#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20) - -#define PSW32_ASC_PRIMARY 0x00000000UL -#define PSW32_ASC_ACCREG 0x00004000UL -#define PSW32_ASC_SECONDARY 0x00008000UL -#define PSW32_ASC_HOME 0x0000C000UL - -extern u32 psw32_user_bits; - -#define COMPAT_USER_HZ 100 -#define COMPAT_UTS_MACHINE "s390\0\0\0\0" - -typedef u32 compat_size_t; -typedef s32 compat_ssize_t; -typedef s32 compat_time_t; -typedef s32 compat_clock_t; -typedef s32 compat_pid_t; -typedef u16 __compat_uid_t; -typedef u16 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; -typedef u32 compat_ino_t; -typedef u16 compat_dev_t; -typedef s32 compat_off_t; -typedef s64 compat_loff_t; -typedef u16 compat_nlink_t; -typedef u16 compat_ipc_pid_t; -typedef s32 compat_daddr_t; -typedef u32 compat_caddr_t; -typedef __kernel_fsid_t compat_fsid_t; -typedef s32 compat_key_t; -typedef s32 compat_timer_t; - -typedef s32 compat_int_t; -typedef s32 compat_long_t; -typedef s64 compat_s64; -typedef u32 compat_uint_t; -typedef u32 compat_ulong_t; -typedef u64 compat_u64; - -struct compat_timespec { - compat_time_t tv_sec; - s32 tv_nsec; -}; - -struct compat_timeval { - compat_time_t tv_sec; - s32 tv_usec; -}; - -struct compat_stat { - compat_dev_t st_dev; - u16 __pad1; - compat_ino_t st_ino; - compat_mode_t st_mode; - compat_nlink_t st_nlink; - __compat_uid_t st_uid; - __compat_gid_t st_gid; - compat_dev_t st_rdev; - u16 __pad2; - u32 st_size; - u32 st_blksize; - u32 st_blocks; - u32 st_atime; - u32 st_atime_nsec; - u32 st_mtime; - u32 st_mtime_nsec; - u32 st_ctime; - u32 st_ctime_nsec; - u32 __unused4; - u32 __unused5; -}; - -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -#define F_GETLK64 12 -#define F_SETLK64 13 -#define F_SETLKW64 14 - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; - -struct compat_statfs { - s32 f_type; - s32 f_bsize; - s32 f_blocks; - s32 f_bfree; - s32 f_bavail; - s32 f_files; - s32 f_ffree; - compat_fsid_t f_fsid; - s32 f_namelen; - s32 f_frsize; - s32 f_flags; - s32 f_spare[5]; -}; - -#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff -#define COMPAT_RLIM_INFINITY 0xffffffff - -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - -#define COMPAT_OFF_T_MAX 0x7fffffff -#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL - -/* - * A pointer passed in from user mode. This should not - * be used for syscall parameters, just declare them - * as pointers because the syscall entry code will have - * appropriately converted them already. - */ -typedef u32 compat_uptr_t; - -static inline void __user *compat_ptr(compat_uptr_t uptr) -{ - return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); -} - -static inline compat_uptr_t ptr_to_compat(void __user *uptr) -{ - return (u32)(unsigned long)uptr; -} - -#ifdef CONFIG_COMPAT - -static inline int is_compat_task(void) -{ - return is_32bit_task(); -} - -#endif - -static inline void __user *arch_compat_alloc_user_space(long len) -{ - unsigned long stack; - - stack = KSTK_ESP(current); - if (is_compat_task()) - stack &= 0x7fffffffUL; - return (void __user *) (stack - len); -} - -struct compat_ipc64_perm { - compat_key_t key; - __compat_uid32_t uid; - __compat_gid32_t gid; - __compat_uid32_t cuid; - __compat_gid32_t cgid; - compat_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned int __unused1; - unsigned int __unused2; -}; - -struct compat_semid64_ds { - struct compat_ipc64_perm sem_perm; - compat_time_t sem_otime; - compat_ulong_t __pad1; - compat_time_t sem_ctime; - compat_ulong_t __pad2; - compat_ulong_t sem_nsems; - compat_ulong_t __unused1; - compat_ulong_t __unused2; -}; - -struct compat_msqid64_ds { - struct compat_ipc64_perm msg_perm; - compat_time_t msg_stime; - compat_ulong_t __pad1; - compat_time_t msg_rtime; - compat_ulong_t __pad2; - compat_time_t msg_ctime; - compat_ulong_t __pad3; - compat_ulong_t msg_cbytes; - compat_ulong_t msg_qnum; - compat_ulong_t msg_qbytes; - compat_pid_t msg_lspid; - compat_pid_t msg_lrpid; - compat_ulong_t __unused1; - compat_ulong_t __unused2; -}; - -struct compat_shmid64_ds { - struct compat_ipc64_perm shm_perm; - compat_size_t shm_segsz; - compat_time_t shm_atime; - compat_ulong_t __pad1; - compat_time_t shm_dtime; - compat_ulong_t __pad2; - compat_time_t shm_ctime; - compat_ulong_t __pad3; - compat_pid_t shm_cpid; - compat_pid_t shm_lpid; - compat_ulong_t shm_nattch; - compat_ulong_t __unused1; - compat_ulong_t __unused2; -}; -#endif /* _ASM_S390X_COMPAT_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cpcmd.h b/ANDROID_3.4.5/arch/s390/include/asm/cpcmd.h deleted file mode 100644 index 48a9eab1..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cpcmd.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * arch/s390/kernel/cpcmd.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Christian Borntraeger (cborntra@de.ibm.com), - */ - -#ifndef _ASM_S390_CPCMD_H -#define _ASM_S390_CPCMD_H - -/* - * the lowlevel function for cpcmd - * the caller of __cpcmd has to ensure that the response buffer is below 2 GB - */ -extern int __cpcmd(const char *cmd, char *response, int rlen, int *response_code); - -/* - * cpcmd is the in-kernel interface for issuing CP commands - * - * cmd: null-terminated command string, max 240 characters - * response: response buffer for VM's textual response - * rlen: size of the response buffer, cpcmd will not exceed this size - * but will cap the output, if its too large. Everything that - * did not fit into the buffer will be silently dropped - * response_code: return pointer for VM's error code - * return value: the size of the response. The caller can check if the buffer - * was large enough by comparing the return value and rlen - * NOTE: If the response buffer is not below 2 GB, cpcmd can sleep - */ -extern int cpcmd(const char *cmd, char *response, int rlen, int *response_code); - -#endif /* _ASM_S390_CPCMD_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cpu.h b/ANDROID_3.4.5/arch/s390/include/asm/cpu.h deleted file mode 100644 index e0b69540..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cpu.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright IBM Corp. 2000,2009 - * Author(s): Hartmut Penner <hp@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Christian Ehrhardt <ehrhardt@de.ibm.com>, - */ - -#ifndef _ASM_S390_CPU_H -#define _ASM_S390_CPU_H - -#define MAX_CPU_ADDRESS 255 - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -struct cpuid -{ - unsigned int version : 8; - unsigned int ident : 24; - unsigned int machine : 16; - unsigned int unused : 16; -} __attribute__ ((packed, aligned(8))); - -#endif /* __ASSEMBLY__ */ -#endif /* _ASM_S390_CPU_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cpu_mf.h b/ANDROID_3.4.5/arch/s390/include/asm/cpu_mf.h deleted file mode 100644 index a3afecda..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cpu_mf.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * CPU-measurement facilities - * - * Copyright IBM Corp. 2012 - * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * Jan Glauber <jang@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#ifndef _ASM_S390_CPU_MF_H -#define _ASM_S390_CPU_MF_H - -#include <asm/facility.h> - -#define CPU_MF_INT_SF_IAE (1 << 31) /* invalid entry address */ -#define CPU_MF_INT_SF_ISE (1 << 30) /* incorrect SDBT entry */ -#define CPU_MF_INT_SF_PRA (1 << 29) /* program request alert */ -#define CPU_MF_INT_SF_SACA (1 << 23) /* sampler auth. change alert */ -#define CPU_MF_INT_SF_LSDA (1 << 22) /* loss of sample data alert */ -#define CPU_MF_INT_CF_CACA (1 << 7) /* counter auth. change alert */ -#define CPU_MF_INT_CF_LCDA (1 << 6) /* loss of counter data alert */ - -#define CPU_MF_INT_CF_MASK (CPU_MF_INT_CF_CACA|CPU_MF_INT_CF_LCDA) -#define CPU_MF_INT_SF_MASK (CPU_MF_INT_SF_IAE|CPU_MF_INT_SF_ISE| \ - CPU_MF_INT_SF_PRA|CPU_MF_INT_SF_SACA| \ - CPU_MF_INT_SF_LSDA) - -/* CPU measurement facility support */ -static inline int cpum_cf_avail(void) -{ - return MACHINE_HAS_SPP && test_facility(67); -} - -static inline int cpum_sf_avail(void) -{ - return MACHINE_HAS_SPP && test_facility(68); -} - - -struct cpumf_ctr_info { - u16 cfvn; - u16 auth_ctl; - u16 enable_ctl; - u16 act_ctl; - u16 max_cpu; - u16 csvn; - u16 max_cg; - u16 reserved1; - u32 reserved2[12]; -} __packed; - -/* Query counter information */ -static inline int qctri(struct cpumf_ctr_info *info) -{ - int rc = -EINVAL; - - asm volatile ( - "0: .insn s,0xb28e0000,%1\n" - "1: lhi %0,0\n" - "2:\n" - EX_TABLE(1b, 2b) - : "+d" (rc), "=Q" (*info)); - return rc; -} - -/* Load CPU-counter-set controls */ -static inline int lcctl(u64 ctl) -{ - int cc; - - asm volatile ( - " .insn s,0xb2840000,%1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) : "m" (ctl) : "cc"); - return cc; -} - -/* Extract CPU counter */ -static inline int ecctr(u64 ctr, u64 *val) -{ - register u64 content asm("4") = 0; - int cc; - - asm volatile ( - " .insn rre,0xb2e40000,%0,%2\n" - " ipm %1\n" - " srl %1,28\n" - : "=d" (content), "=d" (cc) : "d" (ctr) : "cc"); - if (!cc) - *val = content; - return cc; -} - -#endif /* _ASM_S390_CPU_MF_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cputime.h b/ANDROID_3.4.5/arch/s390/include/asm/cputime.h deleted file mode 100644 index 24ef186a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cputime.h +++ /dev/null @@ -1,191 +0,0 @@ -/* - * include/asm-s390/cputime.h - * - * (C) Copyright IBM Corp. 2004 - * - * Author: Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef _S390_CPUTIME_H -#define _S390_CPUTIME_H - -#include <linux/types.h> -#include <linux/percpu.h> -#include <linux/spinlock.h> -#include <asm/div64.h> - -/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */ - -typedef unsigned long long __nocast cputime_t; -typedef unsigned long long __nocast cputime64_t; - -static inline unsigned long __div(unsigned long long n, unsigned long base) -{ -#ifndef __s390x__ - register_pair rp; - - rp.pair = n >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1)); - return rp.subreg.odd; -#else /* __s390x__ */ - return n / base; -#endif /* __s390x__ */ -} - -#define cputime_one_jiffy jiffies_to_cputime(1) - -/* - * Convert cputime to jiffies and back. - */ -static inline unsigned long cputime_to_jiffies(const cputime_t cputime) -{ - return __div((__force unsigned long long) cputime, 4096000000ULL / HZ); -} - -static inline cputime_t jiffies_to_cputime(const unsigned int jif) -{ - return (__force cputime_t)(jif * (4096000000ULL / HZ)); -} - -static inline u64 cputime64_to_jiffies64(cputime64_t cputime) -{ - unsigned long long jif = (__force unsigned long long) cputime; - do_div(jif, 4096000000ULL / HZ); - return jif; -} - -static inline cputime64_t jiffies64_to_cputime64(const u64 jif) -{ - return (__force cputime64_t)(jif * (4096000000ULL / HZ)); -} - -/* - * Convert cputime to microseconds and back. - */ -static inline unsigned int cputime_to_usecs(const cputime_t cputime) -{ - return (__force unsigned long long) cputime >> 12; -} - -static inline cputime_t usecs_to_cputime(const unsigned int m) -{ - return (__force cputime_t)(m * 4096ULL); -} - -#define usecs_to_cputime64(m) usecs_to_cputime(m) - -/* - * Convert cputime to milliseconds and back. - */ -static inline unsigned int cputime_to_secs(const cputime_t cputime) -{ - return __div((__force unsigned long long) cputime, 2048000000) >> 1; -} - -static inline cputime_t secs_to_cputime(const unsigned int s) -{ - return (__force cputime_t)(s * 4096000000ULL); -} - -/* - * Convert cputime to timespec and back. - */ -static inline cputime_t timespec_to_cputime(const struct timespec *value) -{ - unsigned long long ret = value->tv_sec * 4096000000ULL; - return (__force cputime_t)(ret + value->tv_nsec * 4096 / 1000); -} - -static inline void cputime_to_timespec(const cputime_t cputime, - struct timespec *value) -{ - unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ - register_pair rp; - - rp.pair = __cputime >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); - value->tv_nsec = rp.subreg.even * 1000 / 4096; - value->tv_sec = rp.subreg.odd; -#else - value->tv_nsec = (__cputime % 4096000000ULL) * 1000 / 4096; - value->tv_sec = __cputime / 4096000000ULL; -#endif -} - -/* - * Convert cputime to timeval and back. - * Since cputime and timeval have the same resolution (microseconds) - * this is easy. - */ -static inline cputime_t timeval_to_cputime(const struct timeval *value) -{ - unsigned long long ret = value->tv_sec * 4096000000ULL; - return (__force cputime_t)(ret + value->tv_usec * 4096ULL); -} - -static inline void cputime_to_timeval(const cputime_t cputime, - struct timeval *value) -{ - unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ - register_pair rp; - - rp.pair = __cputime >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); - value->tv_usec = rp.subreg.even / 4096; - value->tv_sec = rp.subreg.odd; -#else - value->tv_usec = (__cputime % 4096000000ULL) / 4096; - value->tv_sec = __cputime / 4096000000ULL; -#endif -} - -/* - * Convert cputime to clock and back. - */ -static inline clock_t cputime_to_clock_t(cputime_t cputime) -{ - unsigned long long clock = (__force unsigned long long) cputime; - do_div(clock, 4096000000ULL / USER_HZ); - return clock; -} - -static inline cputime_t clock_t_to_cputime(unsigned long x) -{ - return (__force cputime_t)(x * (4096000000ULL / USER_HZ)); -} - -/* - * Convert cputime64 to clock. - */ -static inline clock_t cputime64_to_clock_t(cputime64_t cputime) -{ - unsigned long long clock = (__force unsigned long long) cputime; - do_div(clock, 4096000000ULL / USER_HZ); - return clock; -} - -struct s390_idle_data { - unsigned int sequence; - unsigned long long idle_count; - unsigned long long idle_enter; - unsigned long long idle_exit; - unsigned long long idle_time; - int nohz_delay; -}; - -DECLARE_PER_CPU(struct s390_idle_data, s390_idle); - -cputime64_t s390_get_idle_time(int cpu); - -#define arch_idle_time(cpu) s390_get_idle_time(cpu) - -static inline int s390_nohz_delay(int cpu) -{ - return __get_cpu_var(s390_idle).nohz_delay != 0; -} - -#define arch_needs_cpu(cpu) s390_nohz_delay(cpu) - -#endif /* _S390_CPUTIME_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/crw.h b/ANDROID_3.4.5/arch/s390/include/asm/crw.h deleted file mode 100644 index 749a97e6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/crw.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Data definitions for channel report processing - * Copyright IBM Corp. 2000,2009 - * Author(s): Ingo Adlung <adlung@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Cornelia Huck <cornelia.huck@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - */ - -#ifndef _ASM_S390_CRW_H -#define _ASM_S390_CRW_H - -#include <linux/types.h> - -/* - * Channel Report Word - */ -struct crw { - __u32 res1 : 1; /* reserved zero */ - __u32 slct : 1; /* solicited */ - __u32 oflw : 1; /* overflow */ - __u32 chn : 1; /* chained */ - __u32 rsc : 4; /* reporting source code */ - __u32 anc : 1; /* ancillary report */ - __u32 res2 : 1; /* reserved zero */ - __u32 erc : 6; /* error-recovery code */ - __u32 rsid : 16; /* reporting-source ID */ -} __attribute__ ((packed)); - -typedef void (*crw_handler_t)(struct crw *, struct crw *, int); - -extern int crw_register_handler(int rsc, crw_handler_t handler); -extern void crw_unregister_handler(int rsc); -extern void crw_handle_channel_report(void); -void crw_wait_for_channel_report(void); - -#define NR_RSCS 16 - -#define CRW_RSC_MONITOR 0x2 /* monitoring facility */ -#define CRW_RSC_SCH 0x3 /* subchannel */ -#define CRW_RSC_CPATH 0x4 /* channel path */ -#define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ -#define CRW_RSC_CSS 0xB /* channel subsystem */ - -#define CRW_ERC_EVENT 0x00 /* event information pending */ -#define CRW_ERC_AVAIL 0x01 /* available */ -#define CRW_ERC_INIT 0x02 /* initialized */ -#define CRW_ERC_TERROR 0x03 /* temporary error */ -#define CRW_ERC_IPARM 0x04 /* installed parm initialized */ -#define CRW_ERC_TERM 0x05 /* terminal */ -#define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ -#define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ -#define CRW_ERC_PMOD 0x08 /* installed parameters modified */ - -static inline int stcrw(struct crw *pcrw) -{ - int ccode; - - asm volatile( - " stcrw 0(%2)\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (ccode), "=m" (*pcrw) - : "a" (pcrw) - : "cc" ); - return ccode; -} - -#endif /* _ASM_S390_CRW_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ctl_reg.h b/ANDROID_3.4.5/arch/s390/include/asm/ctl_reg.h deleted file mode 100644 index ecde9417..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ctl_reg.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2009 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_CTL_REG_H -#define __ASM_CTL_REG_H - -#ifdef __s390x__ - -#define __ctl_load(array, low, high) ({ \ - typedef struct { char _[sizeof(array)]; } addrtype; \ - asm volatile( \ - " lctlg %1,%2,%0\n" \ - : : "Q" (*(addrtype *)(&array)), \ - "i" (low), "i" (high)); \ - }) - -#define __ctl_store(array, low, high) ({ \ - typedef struct { char _[sizeof(array)]; } addrtype; \ - asm volatile( \ - " stctg %1,%2,%0\n" \ - : "=Q" (*(addrtype *)(&array)) \ - : "i" (low), "i" (high)); \ - }) - -#else /* __s390x__ */ - -#define __ctl_load(array, low, high) ({ \ - typedef struct { char _[sizeof(array)]; } addrtype; \ - asm volatile( \ - " lctl %1,%2,%0\n" \ - : : "Q" (*(addrtype *)(&array)), \ - "i" (low), "i" (high)); \ -}) - -#define __ctl_store(array, low, high) ({ \ - typedef struct { char _[sizeof(array)]; } addrtype; \ - asm volatile( \ - " stctl %1,%2,%0\n" \ - : "=Q" (*(addrtype *)(&array)) \ - : "i" (low), "i" (high)); \ - }) - -#endif /* __s390x__ */ - -#define __ctl_set_bit(cr, bit) ({ \ - unsigned long __dummy; \ - __ctl_store(__dummy, cr, cr); \ - __dummy |= 1UL << (bit); \ - __ctl_load(__dummy, cr, cr); \ -}) - -#define __ctl_clear_bit(cr, bit) ({ \ - unsigned long __dummy; \ - __ctl_store(__dummy, cr, cr); \ - __dummy &= ~(1UL << (bit)); \ - __ctl_load(__dummy, cr, cr); \ -}) - -#ifdef CONFIG_SMP - -extern void smp_ctl_set_bit(int cr, int bit); -extern void smp_ctl_clear_bit(int cr, int bit); -#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit) -#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit) - -#else - -#define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit) -#define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit) - -#endif /* CONFIG_SMP */ - -#endif /* __ASM_CTL_REG_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/current.h b/ANDROID_3.4.5/arch/s390/include/asm/current.h deleted file mode 100644 index 83cf36cd..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/current.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * include/asm-s390/current.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/current.h" - */ - -#ifndef _S390_CURRENT_H -#define _S390_CURRENT_H - -#ifdef __KERNEL__ -#include <asm/lowcore.h> - -struct task_struct; - -#define current ((struct task_struct *const)S390_lowcore.current_task) - -#endif - -#endif /* !(_S390_CURRENT_H) */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/dasd.h b/ANDROID_3.4.5/arch/s390/include/asm/dasd.h deleted file mode 100644 index 0be28efe..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/dasd.h +++ /dev/null @@ -1,292 +0,0 @@ -/* - * File...........: linux/drivers/s390/block/dasd.c - * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> - * Bugreports.to..: <Linux390@de.ibm.com> - * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 - * EMC Symmetrix ioctl Copyright EMC Corporation, 2008 - * Author.........: Nigel Hislop <hislop_nigel@emc.com> - * - * This file is the interface of the DASD device driver, which is exported to user space - * any future changes wrt the API will result in a change of the APIVERSION reported - * to userspace by the DASDAPIVER-ioctl - * - */ - -#ifndef DASD_H -#define DASD_H -#include <linux/types.h> -#include <linux/ioctl.h> - -#define DASD_IOCTL_LETTER 'D' - -#define DASD_API_VERSION 6 - -/* - * struct dasd_information2_t - * represents any data about the device, which is visible to userspace. - * including foramt and featueres. - */ -typedef struct dasd_information2_t { - unsigned int devno; /* S/390 devno */ - unsigned int real_devno; /* for aliases */ - unsigned int schid; /* S/390 subchannel identifier */ - unsigned int cu_type : 16; /* from SenseID */ - unsigned int cu_model : 8; /* from SenseID */ - unsigned int dev_type : 16; /* from SenseID */ - unsigned int dev_model : 8; /* from SenseID */ - unsigned int open_count; - unsigned int req_queue_len; - unsigned int chanq_len; /* length of chanq */ - char type[4]; /* from discipline.name, 'none' for unknown */ - unsigned int status; /* current device level */ - unsigned int label_block; /* where to find the VOLSER */ - unsigned int FBA_layout; /* fixed block size (like AIXVOL) */ - unsigned int characteristics_size; - unsigned int confdata_size; - char characteristics[64]; /* from read_device_characteristics */ - char configuration_data[256]; /* from read_configuration_data */ - unsigned int format; /* format info like formatted/cdl/ldl/... */ - unsigned int features; /* dasd features like 'ro',... */ - unsigned int reserved0; /* reserved for further use ,... */ - unsigned int reserved1; /* reserved for further use ,... */ - unsigned int reserved2; /* reserved for further use ,... */ - unsigned int reserved3; /* reserved for further use ,... */ - unsigned int reserved4; /* reserved for further use ,... */ - unsigned int reserved5; /* reserved for further use ,... */ - unsigned int reserved6; /* reserved for further use ,... */ - unsigned int reserved7; /* reserved for further use ,... */ -} dasd_information2_t; - -/* - * values to be used for dasd_information_t.format - * 0x00: NOT formatted - * 0x01: Linux disc layout - * 0x02: Common disc layout - */ -#define DASD_FORMAT_NONE 0 -#define DASD_FORMAT_LDL 1 -#define DASD_FORMAT_CDL 2 -/* - * values to be used for dasd_information_t.features - * 0x00: default features - * 0x01: readonly (ro) - * 0x02: use diag discipline (diag) - * 0x04: set the device initially online (internal use only) - * 0x08: enable ERP related logging - * 0x20: give access to raw eckd data - */ -#define DASD_FEATURE_DEFAULT 0x00 -#define DASD_FEATURE_READONLY 0x01 -#define DASD_FEATURE_USEDIAG 0x02 -#define DASD_FEATURE_INITIAL_ONLINE 0x04 -#define DASD_FEATURE_ERPLOG 0x08 -#define DASD_FEATURE_FAILFAST 0x10 -#define DASD_FEATURE_FAILONSLCK 0x20 -#define DASD_FEATURE_USERAW 0x40 - -#define DASD_PARTN_BITS 2 - -/* - * struct dasd_information_t - * represents any data about the data, which is visible to userspace - */ -typedef struct dasd_information_t { - unsigned int devno; /* S/390 devno */ - unsigned int real_devno; /* for aliases */ - unsigned int schid; /* S/390 subchannel identifier */ - unsigned int cu_type : 16; /* from SenseID */ - unsigned int cu_model : 8; /* from SenseID */ - unsigned int dev_type : 16; /* from SenseID */ - unsigned int dev_model : 8; /* from SenseID */ - unsigned int open_count; - unsigned int req_queue_len; - unsigned int chanq_len; /* length of chanq */ - char type[4]; /* from discipline.name, 'none' for unknown */ - unsigned int status; /* current device level */ - unsigned int label_block; /* where to find the VOLSER */ - unsigned int FBA_layout; /* fixed block size (like AIXVOL) */ - unsigned int characteristics_size; - unsigned int confdata_size; - char characteristics[64]; /* from read_device_characteristics */ - char configuration_data[256]; /* from read_configuration_data */ -} dasd_information_t; - -/* - * Read Subsystem Data - Performance Statistics - */ -typedef struct dasd_rssd_perf_stats_t { - unsigned char invalid:1; - unsigned char format:3; - unsigned char data_format:4; - unsigned char unit_address; - unsigned short device_status; - unsigned int nr_read_normal; - unsigned int nr_read_normal_hits; - unsigned int nr_write_normal; - unsigned int nr_write_fast_normal_hits; - unsigned int nr_read_seq; - unsigned int nr_read_seq_hits; - unsigned int nr_write_seq; - unsigned int nr_write_fast_seq_hits; - unsigned int nr_read_cache; - unsigned int nr_read_cache_hits; - unsigned int nr_write_cache; - unsigned int nr_write_fast_cache_hits; - unsigned int nr_inhibit_cache; - unsigned int nr_bybass_cache; - unsigned int nr_seq_dasd_to_cache; - unsigned int nr_dasd_to_cache; - unsigned int nr_cache_to_dasd; - unsigned int nr_delayed_fast_write; - unsigned int nr_normal_fast_write; - unsigned int nr_seq_fast_write; - unsigned int nr_cache_miss; - unsigned char status2; - unsigned int nr_quick_write_promotes; - unsigned char reserved; - unsigned short ssid; - unsigned char reseved2[96]; -} __attribute__((packed)) dasd_rssd_perf_stats_t; - -/* - * struct profile_info_t - * holds the profinling information - */ -typedef struct dasd_profile_info_t { - unsigned int dasd_io_reqs; /* number of requests processed at all */ - unsigned int dasd_io_sects; /* number of sectors processed at all */ - unsigned int dasd_io_secs[32]; /* histogram of request's sizes */ - unsigned int dasd_io_times[32]; /* histogram of requests's times */ - unsigned int dasd_io_timps[32]; /* histogram of requests's times per sector */ - unsigned int dasd_io_time1[32]; /* histogram of time from build to start */ - unsigned int dasd_io_time2[32]; /* histogram of time from start to irq */ - unsigned int dasd_io_time2ps[32]; /* histogram of time from start to irq */ - unsigned int dasd_io_time3[32]; /* histogram of time from irq to end */ - unsigned int dasd_io_nr_req[32]; /* histogram of # of requests in chanq */ -} dasd_profile_info_t; - -/* - * struct format_data_t - * represents all data necessary to format a dasd - */ -typedef struct format_data_t { - unsigned int start_unit; /* from track */ - unsigned int stop_unit; /* to track */ - unsigned int blksize; /* sectorsize */ - unsigned int intensity; -} format_data_t; - -/* - * values to be used for format_data_t.intensity - * 0/8: normal format - * 1/9: also write record zero - * 3/11: also write home address - * 4/12: invalidate track - */ -#define DASD_FMT_INT_FMT_R0 1 /* write record zero */ -#define DASD_FMT_INT_FMT_HA 2 /* write home address, also set FMT_R0 ! */ -#define DASD_FMT_INT_INVAL 4 /* invalidate tracks */ -#define DASD_FMT_INT_COMPAT 8 /* use OS/390 compatible disk layout */ - - -/* - * struct attrib_data_t - * represents the operation (cache) bits for the device. - * Used in DE to influence caching of the DASD. - */ -typedef struct attrib_data_t { - unsigned char operation:3; /* cache operation mode */ - unsigned char reserved:5; /* cache operation mode */ - __u16 nr_cyl; /* no of cyliners for read ahaed */ - __u8 reserved2[29]; /* for future use */ -} __attribute__ ((packed)) attrib_data_t; - -/* definition of operation (cache) bits within attributes of DE */ -#define DASD_NORMAL_CACHE 0x0 -#define DASD_BYPASS_CACHE 0x1 -#define DASD_INHIBIT_LOAD 0x2 -#define DASD_SEQ_ACCESS 0x3 -#define DASD_SEQ_PRESTAGE 0x4 -#define DASD_REC_ACCESS 0x5 - -/* - * Perform EMC Symmetrix I/O - */ -typedef struct dasd_symmio_parms { - unsigned char reserved[8]; /* compat with older releases */ - unsigned long long psf_data; /* char * cast to u64 */ - unsigned long long rssd_result; /* char * cast to u64 */ - int psf_data_len; - int rssd_result_len; -} __attribute__ ((packed)) dasd_symmio_parms_t; - -/* - * Data returned by Sense Path Group ID (SNID) - */ -struct dasd_snid_data { - struct { - __u8 group:2; - __u8 reserve:2; - __u8 mode:1; - __u8 res:3; - } __attribute__ ((packed)) path_state; - __u8 pgid[11]; -} __attribute__ ((packed)); - -struct dasd_snid_ioctl_data { - struct dasd_snid_data data; - __u8 path_mask; -} __attribute__ ((packed)); - - -/******************************************************************************** - * SECTION: Definition of IOCTLs - * - * Here ist how the ioctl-nr should be used: - * 0 - 31 DASD driver itself - * 32 - 239 still open - * 240 - 255 reserved for EMC - *******************************************************************************/ - -/* Disable the volume (for Linux) */ -#define BIODASDDISABLE _IO(DASD_IOCTL_LETTER,0) -/* Enable the volume (for Linux) */ -#define BIODASDENABLE _IO(DASD_IOCTL_LETTER,1) -/* Issue a reserve/release command, rsp. */ -#define BIODASDRSRV _IO(DASD_IOCTL_LETTER,2) /* reserve */ -#define BIODASDRLSE _IO(DASD_IOCTL_LETTER,3) /* release */ -#define BIODASDSLCK _IO(DASD_IOCTL_LETTER,4) /* steal lock */ -/* reset profiling information of a device */ -#define BIODASDPRRST _IO(DASD_IOCTL_LETTER,5) -/* Quiesce IO on device */ -#define BIODASDQUIESCE _IO(DASD_IOCTL_LETTER,6) -/* Resume IO on device */ -#define BIODASDRESUME _IO(DASD_IOCTL_LETTER,7) - - -/* retrieve API version number */ -#define DASDAPIVER _IOR(DASD_IOCTL_LETTER,0,int) -/* Get information on a dasd device */ -#define BIODASDINFO _IOR(DASD_IOCTL_LETTER,1,dasd_information_t) -/* retrieve profiling information of a device */ -#define BIODASDPRRD _IOR(DASD_IOCTL_LETTER,2,dasd_profile_info_t) -/* Get information on a dasd device (enhanced) */ -#define BIODASDINFO2 _IOR(DASD_IOCTL_LETTER,3,dasd_information2_t) -/* Performance Statistics Read */ -#define BIODASDPSRD _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t) -/* Get Attributes (cache operations) */ -#define BIODASDGATTR _IOR(DASD_IOCTL_LETTER,5,attrib_data_t) - - -/* #define BIODASDFORMAT _IOW(IOCTL_LETTER,0,format_data_t) , deprecated */ -#define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t) -/* Set Attributes (cache operations) */ -#define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t) - -/* Get Sense Path Group ID (SNID) data */ -#define BIODASDSNID _IOWR(DASD_IOCTL_LETTER, 1, struct dasd_snid_ioctl_data) - -#define BIODASDSYMMIO _IOWR(DASD_IOCTL_LETTER, 240, dasd_symmio_parms_t) - -#endif /* DASD_H */ - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/debug.h b/ANDROID_3.4.5/arch/s390/include/asm/debug.h deleted file mode 100644 index 8a8245ed..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/debug.h +++ /dev/null @@ -1,260 +0,0 @@ -/* - * include/asm-s390/debug.h - * S/390 debug facility - * - * Copyright (C) 1999, 2000 IBM Deutschland Entwicklung GmbH, - * IBM Corporation - */ - -#ifndef DEBUG_H -#define DEBUG_H - -#include <linux/fs.h> - -/* Note: - * struct __debug_entry must be defined outside of #ifdef __KERNEL__ - * in order to allow a user program to analyze the 'raw'-view. - */ - -struct __debug_entry{ - union { - struct { - unsigned long long clock:52; - unsigned long long exception:1; - unsigned long long level:3; - unsigned long long cpuid:8; - } fields; - - unsigned long long stck; - } id; - void* caller; -} __attribute__((packed)); - - -#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */ - -#ifdef __KERNEL__ -#include <linux/string.h> -#include <linux/spinlock.h> -#include <linux/kernel.h> -#include <linux/time.h> - -#define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */ -#define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */ -#define DEBUG_FLUSH_ALL -1 /* parameter to flush all areas */ -#define DEBUG_MAX_VIEWS 10 /* max number of views in proc fs */ -#define DEBUG_MAX_NAME_LEN 64 /* max length for a debugfs file name */ -#define DEBUG_DEFAULT_LEVEL 3 /* initial debug level */ - -#define DEBUG_DIR_ROOT "s390dbf" /* name of debug root directory in proc fs */ - -#define DEBUG_DATA(entry) (char*)(entry + 1) /* data is stored behind */ - /* the entry information */ - -typedef struct __debug_entry debug_entry_t; - -struct debug_view; - -typedef struct debug_info { - struct debug_info* next; - struct debug_info* prev; - atomic_t ref_count; - spinlock_t lock; - int level; - int nr_areas; - int pages_per_area; - int buf_size; - int entry_size; - debug_entry_t*** areas; - int active_area; - int *active_pages; - int *active_entries; - struct dentry* debugfs_root_entry; - struct dentry* debugfs_entries[DEBUG_MAX_VIEWS]; - struct debug_view* views[DEBUG_MAX_VIEWS]; - char name[DEBUG_MAX_NAME_LEN]; - umode_t mode; -} debug_info_t; - -typedef int (debug_header_proc_t) (debug_info_t* id, - struct debug_view* view, - int area, - debug_entry_t* entry, - char* out_buf); - -typedef int (debug_format_proc_t) (debug_info_t* id, - struct debug_view* view, char* out_buf, - const char* in_buf); -typedef int (debug_prolog_proc_t) (debug_info_t* id, - struct debug_view* view, - char* out_buf); -typedef int (debug_input_proc_t) (debug_info_t* id, - struct debug_view* view, - struct file* file, - const char __user *user_buf, - size_t in_buf_size, loff_t* offset); - -int debug_dflt_header_fn(debug_info_t* id, struct debug_view* view, - int area, debug_entry_t* entry, char* out_buf); - -struct debug_view { - char name[DEBUG_MAX_NAME_LEN]; - debug_prolog_proc_t* prolog_proc; - debug_header_proc_t* header_proc; - debug_format_proc_t* format_proc; - debug_input_proc_t* input_proc; - void* private_data; -}; - -extern struct debug_view debug_hex_ascii_view; -extern struct debug_view debug_raw_view; -extern struct debug_view debug_sprintf_view; - -/* do NOT use the _common functions */ - -debug_entry_t* debug_event_common(debug_info_t* id, int level, - const void* data, int length); - -debug_entry_t* debug_exception_common(debug_info_t* id, int level, - const void* data, int length); - -/* Debug Feature API: */ - -debug_info_t *debug_register(const char *name, int pages, int nr_areas, - int buf_size); - -debug_info_t *debug_register_mode(const char *name, int pages, int nr_areas, - int buf_size, umode_t mode, uid_t uid, - gid_t gid); - -void debug_unregister(debug_info_t* id); - -void debug_set_level(debug_info_t* id, int new_level); - -void debug_set_critical(void); -void debug_stop_all(void); - -static inline debug_entry_t* -debug_event(debug_info_t* id, int level, void* data, int length) -{ - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_event_common(id,level,data,length); -} - -static inline debug_entry_t* -debug_int_event(debug_info_t* id, int level, unsigned int tag) -{ - unsigned int t=tag; - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_event_common(id,level,&t,sizeof(unsigned int)); -} - -static inline debug_entry_t * -debug_long_event (debug_info_t* id, int level, unsigned long tag) -{ - unsigned long t=tag; - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_event_common(id,level,&t,sizeof(unsigned long)); -} - -static inline debug_entry_t* -debug_text_event(debug_info_t* id, int level, const char* txt) -{ - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_event_common(id,level,txt,strlen(txt)); -} - -/* - * IMPORTANT: Use "%s" in sprintf format strings with care! Only pointers are - * stored in the s390dbf. See Documentation/s390/s390dbf.txt for more details! - */ -extern debug_entry_t * -debug_sprintf_event(debug_info_t* id,int level,char *string,...) - __attribute__ ((format(printf, 3, 4))); - - -static inline debug_entry_t* -debug_exception(debug_info_t* id, int level, void* data, int length) -{ - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_exception_common(id,level,data,length); -} - -static inline debug_entry_t* -debug_int_exception(debug_info_t* id, int level, unsigned int tag) -{ - unsigned int t=tag; - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_exception_common(id,level,&t,sizeof(unsigned int)); -} - -static inline debug_entry_t * -debug_long_exception (debug_info_t* id, int level, unsigned long tag) -{ - unsigned long t=tag; - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_exception_common(id,level,&t,sizeof(unsigned long)); -} - -static inline debug_entry_t* -debug_text_exception(debug_info_t* id, int level, const char* txt) -{ - if ((!id) || (level > id->level) || (id->pages_per_area == 0)) - return NULL; - return debug_exception_common(id,level,txt,strlen(txt)); -} - -/* - * IMPORTANT: Use "%s" in sprintf format strings with care! Only pointers are - * stored in the s390dbf. See Documentation/s390/s390dbf.txt for more details! - */ -extern debug_entry_t * -debug_sprintf_exception(debug_info_t* id,int level,char *string,...) - __attribute__ ((format(printf, 3, 4))); - -int debug_register_view(debug_info_t* id, struct debug_view* view); -int debug_unregister_view(debug_info_t* id, struct debug_view* view); - -/* - define the debug levels: - - 0 No debugging output to console or syslog - - 1 Log internal errors to syslog, ignore check conditions - - 2 Log internal errors and check conditions to syslog - - 3 Log internal errors to console, log check conditions to syslog - - 4 Log internal errors and check conditions to console - - 5 panic on internal errors, log check conditions to console - - 6 panic on both, internal errors and check conditions - */ - -#ifndef DEBUG_LEVEL -#define DEBUG_LEVEL 4 -#endif - -#define INTERNAL_ERRMSG(x,y...) "E" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_WRNMSG(x,y...) "W" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_INFMSG(x,y...) "I" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_DEBMSG(x,y...) "D" __FILE__ "%d: " x, __LINE__, y - -#if DEBUG_LEVEL > 0 -#define PRINT_DEBUG(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#define PRINT_INFO(x...) printk ( KERN_INFO PRINTK_HEADER x ) -#define PRINT_WARN(x...) printk ( KERN_WARNING PRINTK_HEADER x ) -#define PRINT_ERR(x...) printk ( KERN_ERR PRINTK_HEADER x ) -#define PRINT_FATAL(x...) panic ( PRINTK_HEADER x ) -#else -#define PRINT_DEBUG(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#define PRINT_INFO(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#define PRINT_WARN(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#define PRINT_ERR(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#define PRINT_FATAL(x...) printk ( KERN_DEBUG PRINTK_HEADER x ) -#endif /* DASD_DEBUG */ - -#endif /* __KERNEL__ */ -#endif /* DEBUG_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/delay.h b/ANDROID_3.4.5/arch/s390/include/asm/delay.h deleted file mode 100644 index 0e3b35f9..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/delay.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * include/asm-s390/delay.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/delay.h" - * Copyright (C) 1993 Linus Torvalds - * - * Delay routines calling functions in arch/s390/lib/delay.c - */ - -#ifndef _S390_DELAY_H -#define _S390_DELAY_H - -void __ndelay(unsigned long long nsecs); -void __udelay(unsigned long long usecs); -void udelay_simple(unsigned long long usecs); -void __delay(unsigned long loops); - -#define ndelay(n) __ndelay((unsigned long long) (n)) -#define udelay(n) __udelay((unsigned long long) (n)) -#define mdelay(n) __udelay((unsigned long long) (n) * 1000) - -#endif /* defined(_S390_DELAY_H) */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/device.h b/ANDROID_3.4.5/arch/s390/include/asm/device.h deleted file mode 100644 index d8f9872b..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/device.h +++ /dev/null @@ -1,7 +0,0 @@ -/* - * Arch specific extensions to struct device - * - * This file is released under the GPLv2 - */ -#include <asm-generic/device.h> - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/diag.h b/ANDROID_3.4.5/arch/s390/include/asm/diag.h deleted file mode 100644 index 7e91c580..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/diag.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * s390 diagnose functions - * - * Copyright IBM Corp. 2007 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#ifndef _ASM_S390_DIAG_H -#define _ASM_S390_DIAG_H - -/* - * Diagnose 10: Release page range - */ -static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn) -{ - unsigned long start_addr, end_addr; - - start_addr = start_pfn << PAGE_SHIFT; - end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT; - - asm volatile( - "0: diag %0,%1,0x10\n" - "1:\n" - EX_TABLE(0b, 1b) - EX_TABLE(1b, 1b) - : : "a" (start_addr), "a" (end_addr)); -} - -/* - * Diagnose 14: Input spool file manipulation - */ -extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode); - -/* - * Diagnose 210: Get information about a virtual device - */ -struct diag210 { - u16 vrdcdvno; /* device number (input) */ - u16 vrdclen; /* data block length (input) */ - u8 vrdcvcla; /* virtual device class (output) */ - u8 vrdcvtyp; /* virtual device type (output) */ - u8 vrdcvsta; /* virtual device status (output) */ - u8 vrdcvfla; /* virtual device flags (output) */ - u8 vrdcrccl; /* real device class (output) */ - u8 vrdccrty; /* real device type (output) */ - u8 vrdccrmd; /* real device model (output) */ - u8 vrdccrft; /* real device feature (output) */ -} __attribute__((packed, aligned(4))); - -extern int diag210(struct diag210 *addr); - -#endif /* _ASM_S390_DIAG_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/div64.h b/ANDROID_3.4.5/arch/s390/include/asm/div64.h deleted file mode 100644 index 6cd978ce..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/div64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/div64.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/dma.h b/ANDROID_3.4.5/arch/s390/include/asm/dma.h deleted file mode 100644 index 7425c6af..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/dma.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * include/asm-s390/dma.h - * - * S390 version - */ - -#ifndef _ASM_DMA_H -#define _ASM_DMA_H - -#include <asm/io.h> /* need byte IO */ - -#define MAX_DMA_ADDRESS 0x80000000 - -#define free_dma(x) do { } while (0) - -#endif /* _ASM_DMA_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ebcdic.h b/ANDROID_3.4.5/arch/s390/include/asm/ebcdic.h deleted file mode 100644 index 7f6f641d..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ebcdic.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * include/asm-s390/ebcdic.h - * EBCDIC -> ASCII, ASCII -> EBCDIC conversion routines. - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef _EBCDIC_H -#define _EBCDIC_H - -#ifndef _S390_TYPES_H -#include <types.h> -#endif - -extern __u8 _ascebc_500[256]; /* ASCII -> EBCDIC 500 conversion table */ -extern __u8 _ebcasc_500[256]; /* EBCDIC 500 -> ASCII conversion table */ -extern __u8 _ascebc[256]; /* ASCII -> EBCDIC conversion table */ -extern __u8 _ebcasc[256]; /* EBCDIC -> ASCII conversion table */ -extern __u8 _ebc_tolower[256]; /* EBCDIC -> lowercase */ -extern __u8 _ebc_toupper[256]; /* EBCDIC -> uppercase */ - -static inline void -codepage_convert(const __u8 *codepage, volatile __u8 * addr, unsigned long nr) -{ - if (nr-- <= 0) - return; - asm volatile( - " bras 1,1f\n" - " tr 0(1,%0),0(%2)\n" - "0: tr 0(256,%0),0(%2)\n" - " la %0,256(%0)\n" - "1: ahi %1,-256\n" - " jnm 0b\n" - " ex %1,0(1)" - : "+&a" (addr), "+&a" (nr) - : "a" (codepage) : "cc", "memory", "1"); -} - -#define ASCEBC(addr,nr) codepage_convert(_ascebc, addr, nr) -#define EBCASC(addr,nr) codepage_convert(_ebcasc, addr, nr) -#define ASCEBC_500(addr,nr) codepage_convert(_ascebc_500, addr, nr) -#define EBCASC_500(addr,nr) codepage_convert(_ebcasc_500, addr, nr) -#define EBC_TOLOWER(addr,nr) codepage_convert(_ebc_tolower, addr, nr) -#define EBC_TOUPPER(addr,nr) codepage_convert(_ebc_toupper, addr, nr) - -#endif - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/elf.h b/ANDROID_3.4.5/arch/s390/include/asm/elf.h deleted file mode 100644 index c4ee39f7..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/elf.h +++ /dev/null @@ -1,216 +0,0 @@ -/* - * include/asm-s390/elf.h - * - * S390 version - * - * Derived from "include/asm-i386/elf.h" - */ - -#ifndef __ASMS390_ELF_H -#define __ASMS390_ELF_H - -/* s390 relocations defined by the ABIs */ -#define R_390_NONE 0 /* No reloc. */ -#define R_390_8 1 /* Direct 8 bit. */ -#define R_390_12 2 /* Direct 12 bit. */ -#define R_390_16 3 /* Direct 16 bit. */ -#define R_390_32 4 /* Direct 32 bit. */ -#define R_390_PC32 5 /* PC relative 32 bit. */ -#define R_390_GOT12 6 /* 12 bit GOT offset. */ -#define R_390_GOT32 7 /* 32 bit GOT offset. */ -#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ -#define R_390_COPY 9 /* Copy symbol at runtime. */ -#define R_390_GLOB_DAT 10 /* Create GOT entry. */ -#define R_390_JMP_SLOT 11 /* Create PLT entry. */ -#define R_390_RELATIVE 12 /* Adjust by program base. */ -#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ -#define R_390_GOTPC 14 /* 32 bit PC rel. offset to GOT. */ -#define R_390_GOT16 15 /* 16 bit GOT offset. */ -#define R_390_PC16 16 /* PC relative 16 bit. */ -#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ -#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ -#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ -#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ -#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ -#define R_390_64 22 /* Direct 64 bit. */ -#define R_390_PC64 23 /* PC relative 64 bit. */ -#define R_390_GOT64 24 /* 64 bit GOT offset. */ -#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ -#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ -#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ -#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ -#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ -#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ -#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ -#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ -#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ -#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ -#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ -#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ -#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ -#define R_390_TLS_GDCALL 38 /* Tag for function call in general - dynamic TLS code. */ -#define R_390_TLS_LDCALL 39 /* Tag for function call in local - dynamic TLS code. */ -#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic - thread local data. */ -#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic - thread local data. */ -#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic - thread local data in LD code. */ -#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic - thread local data in LD code. */ -#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to - static TLS block. */ -#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to - static TLS block. */ -#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS - block. */ -#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS - block. */ -#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ -#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ -#define R_390_TLS_TPOFF 56 /* Negate offset in static TLS - block. */ -#define R_390_20 57 /* Direct 20 bit. */ -#define R_390_GOT20 58 /* 20 bit GOT offset. */ -#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */ -#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS - block offset. */ -/* Keep this the last entry. */ -#define R_390_NUM 61 - -/* Bits present in AT_HWCAP. */ -#define HWCAP_S390_ESAN3 1 -#define HWCAP_S390_ZARCH 2 -#define HWCAP_S390_STFLE 4 -#define HWCAP_S390_MSA 8 -#define HWCAP_S390_LDISP 16 -#define HWCAP_S390_EIMM 32 -#define HWCAP_S390_DFP 64 -#define HWCAP_S390_HPAGE 128 -#define HWCAP_S390_ETF3EH 256 -#define HWCAP_S390_HIGH_GPRS 512 - -/* - * These are used to set parameters in the core dumps. - */ -#ifndef __s390x__ -#define ELF_CLASS ELFCLASS32 -#else /* __s390x__ */ -#define ELF_CLASS ELFCLASS64 -#endif /* __s390x__ */ -#define ELF_DATA ELFDATA2MSB -#define ELF_ARCH EM_S390 - -/* - * ELF register definitions.. - */ - -#include <asm/ptrace.h> -#include <asm/user.h> - -typedef s390_fp_regs elf_fpregset_t; -typedef s390_regs elf_gregset_t; - -typedef s390_fp_regs compat_elf_fpregset_t; -typedef s390_compat_regs compat_elf_gregset_t; - -#include <linux/sched.h> /* for task_struct */ -#include <asm/mmu_context.h> - -#include <asm/vdso.h> - -extern unsigned int vdso_enabled; - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) \ - (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \ - && (x)->e_ident[EI_CLASS] == ELF_CLASS) -#define compat_elf_check_arch(x) \ - (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \ - && (x)->e_ident[EI_CLASS] == ELF_CLASS) -#define compat_start_thread start_thread31 - -/* For SVR4/S390 the function pointer to be registered with `atexit` is - passed in R14. */ -#define ELF_PLAT_INIT(_r, load_addr) \ - do { \ - _r->gprs[14] = 0; \ - } while (0) - -#define CORE_DUMP_USE_REGSET -#define ELF_EXEC_PAGESIZE 4096 - -/* This is the location that an ET_DYN program is loaded if exec'ed. Typical - use of this is to invoke "./ld.so someprog" to test out a new version of - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -extern unsigned long randomize_et_dyn(unsigned long base); -#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2)) - -/* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. */ - -extern unsigned long elf_hwcap; -#define ELF_HWCAP (elf_hwcap) - -/* This yields a string that ld.so will use to load implementation - specific libraries for optimization. This is more specific in - intent than poking at uname or /proc/cpuinfo. - - For the moment, we have only optimizations for the Intel generations, - but that could change... */ - -#define ELF_PLATFORM_SIZE 8 -extern char elf_platform[]; -#define ELF_PLATFORM (elf_platform) - -#ifndef __s390x__ -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) -#else /* __s390x__ */ -#define SET_PERSONALITY(ex) \ -do { \ - if (personality(current->personality) != PER_LINUX32) \ - set_personality(PER_LINUX | \ - (current->personality & ~PER_MASK)); \ - if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ - set_thread_flag(TIF_31BIT); \ - else \ - clear_thread_flag(TIF_31BIT); \ -} while (0) -#endif /* __s390x__ */ - -#define STACK_RND_MASK 0x7ffUL - -#define ARCH_DLINFO \ -do { \ - if (vdso_enabled) \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, \ - (unsigned long)current->mm->context.vdso_base); \ -} while (0) - -struct linux_binprm; - -#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 -int arch_setup_additional_pages(struct linux_binprm *, int); - -extern unsigned long arch_randomize_brk(struct mm_struct *mm); -#define arch_randomize_brk arch_randomize_brk - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/emergency-restart.h b/ANDROID_3.4.5/arch/s390/include/asm/emergency-restart.h deleted file mode 100644 index 108d8c48..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_EMERGENCY_RESTART_H -#define _ASM_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/errno.h b/ANDROID_3.4.5/arch/s390/include/asm/errno.h deleted file mode 100644 index e41d5b37..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/errno.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * include/asm-s390/errno.h - * - * S390 version - * - */ - -#ifndef _S390_ERRNO_H -#define _S390_ERRNO_H - -#include <asm-generic/errno.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/etr.h b/ANDROID_3.4.5/arch/s390/include/asm/etr.h deleted file mode 100644 index 538e1b36..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/etr.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - * include/asm-s390/etr.h - * - * Copyright IBM Corp. 2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ -#ifndef __S390_ETR_H -#define __S390_ETR_H - -/* ETR attachment control register */ -struct etr_eacr { - unsigned int e0 : 1; /* port 0 stepping control */ - unsigned int e1 : 1; /* port 1 stepping control */ - unsigned int _pad0 : 5; /* must be 00100 */ - unsigned int dp : 1; /* data port control */ - unsigned int p0 : 1; /* port 0 change recognition control */ - unsigned int p1 : 1; /* port 1 change recognition control */ - unsigned int _pad1 : 3; /* must be 000 */ - unsigned int ea : 1; /* ETR alert control */ - unsigned int es : 1; /* ETR sync check control */ - unsigned int sl : 1; /* switch to local control */ -} __attribute__ ((packed)); - -/* Port state returned by steai */ -enum etr_psc { - etr_psc_operational = 0, - etr_psc_semi_operational = 1, - etr_psc_protocol_error = 4, - etr_psc_no_symbols = 8, - etr_psc_no_signal = 12, - etr_psc_pps_mode = 13 -}; - -/* Logical port state returned by stetr */ -enum etr_lpsc { - etr_lpsc_operational_step = 0, - etr_lpsc_operational_alt = 1, - etr_lpsc_semi_operational = 2, - etr_lpsc_protocol_error = 4, - etr_lpsc_no_symbol_sync = 8, - etr_lpsc_no_signal = 12, - etr_lpsc_pps_mode = 13 -}; - -/* ETR status words */ -struct etr_esw { - struct etr_eacr eacr; /* attachment control register */ - unsigned int y : 1; /* stepping mode */ - unsigned int _pad0 : 5; /* must be 00000 */ - unsigned int p : 1; /* stepping port number */ - unsigned int q : 1; /* data port number */ - unsigned int psc0 : 4; /* port 0 state code */ - unsigned int psc1 : 4; /* port 1 state code */ -} __attribute__ ((packed)); - -/* Second level data register status word */ -struct etr_slsw { - unsigned int vv1 : 1; /* copy of validity bit data frame 1 */ - unsigned int vv2 : 1; /* copy of validity bit data frame 2 */ - unsigned int vv3 : 1; /* copy of validity bit data frame 3 */ - unsigned int vv4 : 1; /* copy of validity bit data frame 4 */ - unsigned int _pad0 : 19; /* must by all zeroes */ - unsigned int n : 1; /* EAF port number */ - unsigned int v1 : 1; /* validity bit ETR data frame 1 */ - unsigned int v2 : 1; /* validity bit ETR data frame 2 */ - unsigned int v3 : 1; /* validity bit ETR data frame 3 */ - unsigned int v4 : 1; /* validity bit ETR data frame 4 */ - unsigned int _pad1 : 4; /* must be 0000 */ -} __attribute__ ((packed)); - -/* ETR data frames */ -struct etr_edf1 { - unsigned int u : 1; /* untuned bit */ - unsigned int _pad0 : 1; /* must be 0 */ - unsigned int r : 1; /* service request bit */ - unsigned int _pad1 : 4; /* must be 0000 */ - unsigned int a : 1; /* time adjustment bit */ - unsigned int net_id : 8; /* ETR network id */ - unsigned int etr_id : 8; /* id of ETR which sends data frames */ - unsigned int etr_pn : 8; /* port number of ETR output port */ -} __attribute__ ((packed)); - -struct etr_edf2 { - unsigned int etv : 32; /* Upper 32 bits of TOD. */ -} __attribute__ ((packed)); - -struct etr_edf3 { - unsigned int rc : 8; /* failure reason code */ - unsigned int _pad0 : 3; /* must be 000 */ - unsigned int c : 1; /* ETR coupled bit */ - unsigned int tc : 4; /* ETR type code */ - unsigned int blto : 8; /* biased local time offset */ - /* (blto - 128) * 15 = minutes */ - unsigned int buo : 8; /* biased utc offset */ - /* (buo - 128) = leap seconds */ -} __attribute__ ((packed)); - -struct etr_edf4 { - unsigned int ed : 8; /* ETS device dependent data */ - unsigned int _pad0 : 1; /* must be 0 */ - unsigned int buc : 5; /* biased ut1 correction */ - /* (buc - 16) * 0.1 seconds */ - unsigned int em : 6; /* ETS error magnitude */ - unsigned int dc : 6; /* ETS drift code */ - unsigned int sc : 6; /* ETS steering code */ -} __attribute__ ((packed)); - -/* - * ETR attachment information block, two formats - * format 1 has 4 reserved words with a size of 64 bytes - * format 2 has 16 reserved words with a size of 96 bytes - */ -struct etr_aib { - struct etr_esw esw; - struct etr_slsw slsw; - unsigned long long tsp; - struct etr_edf1 edf1; - struct etr_edf2 edf2; - struct etr_edf3 edf3; - struct etr_edf4 edf4; - unsigned int reserved[16]; -} __attribute__ ((packed,aligned(8))); - -/* ETR interruption parameter */ -struct etr_irq_parm { - unsigned int _pad0 : 8; - unsigned int pc0 : 1; /* port 0 state change */ - unsigned int pc1 : 1; /* port 1 state change */ - unsigned int _pad1 : 3; - unsigned int eai : 1; /* ETR alert indication */ - unsigned int _pad2 : 18; -} __attribute__ ((packed)); - -/* Query TOD offset result */ -struct etr_ptff_qto { - unsigned long long physical_clock; - unsigned long long tod_offset; - unsigned long long logical_tod_offset; - unsigned long long tod_epoch_difference; -} __attribute__ ((packed)); - -/* Inline assembly helper functions */ -static inline int etr_setr(struct etr_eacr *ctrl) -{ - int rc = -ENOSYS; - - asm volatile( - " .insn s,0xb2160000,%1\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc) : "Q" (*ctrl)); - return rc; -} - -/* Stores a format 1 aib with 64 bytes */ -static inline int etr_stetr(struct etr_aib *aib) -{ - int rc = -ENOSYS; - - asm volatile( - " .insn s,0xb2170000,%1\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc) : "Q" (*aib)); - return rc; -} - -/* Stores a format 2 aib with 96 bytes for specified port */ -static inline int etr_steai(struct etr_aib *aib, unsigned int func) -{ - register unsigned int reg0 asm("0") = func; - int rc = -ENOSYS; - - asm volatile( - " .insn s,0xb2b30000,%1\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc) : "Q" (*aib), "d" (reg0)); - return rc; -} - -/* Function codes for the steai instruction. */ -#define ETR_STEAI_STEPPING_PORT 0x10 -#define ETR_STEAI_ALTERNATE_PORT 0x11 -#define ETR_STEAI_PORT_0 0x12 -#define ETR_STEAI_PORT_1 0x13 - -static inline int etr_ptff(void *ptff_block, unsigned int func) -{ - register unsigned int reg0 asm("0") = func; - register unsigned long reg1 asm("1") = (unsigned long) ptff_block; - int rc = -ENOSYS; - - asm volatile( - " .word 0x0104\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (rc), "=m" (ptff_block) - : "d" (reg0), "d" (reg1), "m" (ptff_block) : "cc"); - return rc; -} - -/* Function codes for the ptff instruction. */ -#define ETR_PTFF_QAF 0x00 /* query available functions */ -#define ETR_PTFF_QTO 0x01 /* query tod offset */ -#define ETR_PTFF_QSI 0x02 /* query steering information */ -#define ETR_PTFF_ATO 0x40 /* adjust tod offset */ -#define ETR_PTFF_STO 0x41 /* set tod offset */ -#define ETR_PTFF_SFS 0x42 /* set fine steering rate */ -#define ETR_PTFF_SGS 0x43 /* set gross steering rate */ - -/* Functions needed by the machine check handler */ -void etr_switch_to_local(void); -void etr_sync_check(void); - -/* STP interruption parameter */ -struct stp_irq_parm { - unsigned int _pad0 : 14; - unsigned int tsc : 1; /* Timing status change */ - unsigned int lac : 1; /* Link availability change */ - unsigned int tcpc : 1; /* Time control parameter change */ - unsigned int _pad2 : 15; -} __attribute__ ((packed)); - -#define STP_OP_SYNC 1 -#define STP_OP_CTRL 3 - -struct stp_sstpi { - unsigned int rsvd0; - unsigned int rsvd1 : 8; - unsigned int stratum : 8; - unsigned int vbits : 16; - unsigned int leaps : 16; - unsigned int tmd : 4; - unsigned int ctn : 4; - unsigned int rsvd2 : 3; - unsigned int c : 1; - unsigned int tst : 4; - unsigned int tzo : 16; - unsigned int dsto : 16; - unsigned int ctrl : 16; - unsigned int rsvd3 : 16; - unsigned int tto; - unsigned int rsvd4; - unsigned int ctnid[3]; - unsigned int rsvd5; - unsigned int todoff[4]; - unsigned int rsvd6[48]; -} __attribute__ ((packed)); - -/* Functions needed by the machine check handler */ -void stp_sync_check(void); -void stp_island_check(void); - -#endif /* __S390_ETR_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/exec.h b/ANDROID_3.4.5/arch/s390/include/asm/exec.h deleted file mode 100644 index c4a93d63..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/exec.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2009 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_EXEC_H -#define __ASM_EXEC_H - -extern unsigned long arch_align_stack(unsigned long sp); - -#endif /* __ASM_EXEC_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/extmem.h b/ANDROID_3.4.5/arch/s390/include/asm/extmem.h deleted file mode 100644 index 33837d75..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/extmem.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * include/asm-s390x/extmem.h - * - * definitions for external memory segment support - * Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation - */ - -#ifndef _ASM_S390X_DCSS_H -#define _ASM_S390X_DCSS_H -#ifndef __ASSEMBLY__ - -/* possible values for segment type as returned by segment_info */ -#define SEG_TYPE_SW 0 -#define SEG_TYPE_EW 1 -#define SEG_TYPE_SR 2 -#define SEG_TYPE_ER 3 -#define SEG_TYPE_SN 4 -#define SEG_TYPE_EN 5 -#define SEG_TYPE_SC 6 -#define SEG_TYPE_EWEN 7 - -#define SEGMENT_SHARED 0 -#define SEGMENT_EXCLUSIVE 1 - -int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length); -void segment_unload(char *name); -void segment_save(char *name); -int segment_type (char* name); -int segment_modify_shared (char *name, int do_nonshared); -void segment_warning(int rc, char *seg_name); - -#endif -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/facility.h b/ANDROID_3.4.5/arch/s390/include/asm/facility.h deleted file mode 100644 index 2ee66a65..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/facility.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2009 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_FACILITY_H -#define __ASM_FACILITY_H - -#include <linux/string.h> -#include <linux/preempt.h> -#include <asm/lowcore.h> - -#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */ - -/* - * The test_facility function uses the bit odering where the MSB is bit 0. - * That makes it easier to query facility bits with the bit number as - * documented in the Principles of Operation. - */ -static inline int test_facility(unsigned long nr) -{ - unsigned char *ptr; - - if (nr >= MAX_FACILITY_BIT) - return 0; - ptr = (unsigned char *) &S390_lowcore.stfle_fac_list + (nr >> 3); - return (*ptr & (0x80 >> (nr & 7))) != 0; -} - -/** - * stfle - Store facility list extended - * @stfle_fac_list: array where facility list can be stored - * @size: size of passed in array in double words - */ -static inline void stfle(u64 *stfle_fac_list, int size) -{ - unsigned long nr; - - preempt_disable(); - asm volatile( - " .insn s,0xb2b10000,0(0)\n" /* stfl */ - "0:\n" - EX_TABLE(0b, 0b) - : "+m" (S390_lowcore.stfl_fac_list)); - nr = 4; /* bytes stored by stfl */ - memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4); - if (S390_lowcore.stfl_fac_list & 0x01000000) { - /* More facility bits available with stfle */ - register unsigned long reg0 asm("0") = size - 1; - - asm volatile(".insn s,0xb2b00000,0(%1)" /* stfle */ - : "+d" (reg0) - : "a" (stfle_fac_list) - : "memory", "cc"); - nr = (reg0 + 1) * 8; /* # bytes stored by stfle */ - } - memset((char *) stfle_fac_list + nr, 0, size * 8 - nr); - preempt_enable(); -} - -#endif /* __ASM_FACILITY_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/fb.h b/ANDROID_3.4.5/arch/s390/include/asm/fb.h deleted file mode 100644 index c7df3803..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/fb.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_FB_H_ -#define _ASM_FB_H_ -#include <linux/fb.h> - -#define fb_pgprotect(...) do {} while (0) - -static inline int fb_is_primary_device(struct fb_info *info) -{ - return 0; -} - -#endif /* _ASM_FB_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/fcntl.h b/ANDROID_3.4.5/arch/s390/include/asm/fcntl.h deleted file mode 100644 index 46ab12db..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/fcntl.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/fcntl.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/fcx.h b/ANDROID_3.4.5/arch/s390/include/asm/fcx.h deleted file mode 100644 index ef617099..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/fcx.h +++ /dev/null @@ -1,311 +0,0 @@ -/* - * Functions for assembling fcx enabled I/O control blocks. - * - * Copyright IBM Corp. 2008 - * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_FCX_H -#define _ASM_S390_FCX_H _ASM_S390_FCX_H - -#include <linux/types.h> - -#define TCW_FORMAT_DEFAULT 0 -#define TCW_TIDAW_FORMAT_DEFAULT 0 -#define TCW_FLAGS_INPUT_TIDA 1 << (23 - 5) -#define TCW_FLAGS_TCCB_TIDA 1 << (23 - 6) -#define TCW_FLAGS_OUTPUT_TIDA 1 << (23 - 7) -#define TCW_FLAGS_TIDAW_FORMAT(x) ((x) & 3) << (23 - 9) -#define TCW_FLAGS_GET_TIDAW_FORMAT(x) (((x) >> (23 - 9)) & 3) - -/** - * struct tcw - Transport Control Word (TCW) - * @format: TCW format - * @flags: TCW flags - * @tccbl: Transport-Command-Control-Block Length - * @r: Read Operations - * @w: Write Operations - * @output: Output-Data Address - * @input: Input-Data Address - * @tsb: Transport-Status-Block Address - * @tccb: Transport-Command-Control-Block Address - * @output_count: Output Count - * @input_count: Input Count - * @intrg: Interrogate TCW Address - */ -struct tcw { - u32 format:2; - u32 :6; - u32 flags:24; - u32 :8; - u32 tccbl:6; - u32 r:1; - u32 w:1; - u32 :16; - u64 output; - u64 input; - u64 tsb; - u64 tccb; - u32 output_count; - u32 input_count; - u32 :32; - u32 :32; - u32 :32; - u32 intrg; -} __attribute__ ((packed, aligned(64))); - -#define TIDAW_FLAGS_LAST 1 << (7 - 0) -#define TIDAW_FLAGS_SKIP 1 << (7 - 1) -#define TIDAW_FLAGS_DATA_INT 1 << (7 - 2) -#define TIDAW_FLAGS_TTIC 1 << (7 - 3) -#define TIDAW_FLAGS_INSERT_CBC 1 << (7 - 4) - -/** - * struct tidaw - Transport-Indirect-Addressing Word (TIDAW) - * @flags: TIDAW flags. Can be an arithmetic OR of the following constants: - * %TIDAW_FLAGS_LAST, %TIDAW_FLAGS_SKIP, %TIDAW_FLAGS_DATA_INT, - * %TIDAW_FLAGS_TTIC, %TIDAW_FLAGS_INSERT_CBC - * @count: Count - * @addr: Address - */ -struct tidaw { - u32 flags:8; - u32 :24; - u32 count; - u64 addr; -} __attribute__ ((packed, aligned(16))); - -/** - * struct tsa_iostat - I/O-Status Transport-Status Area (IO-Stat TSA) - * @dev_time: Device Time - * @def_time: Defer Time - * @queue_time: Queue Time - * @dev_busy_time: Device-Busy Time - * @dev_act_time: Device-Active-Only Time - * @sense: Sense Data (if present) - */ -struct tsa_iostat { - u32 dev_time; - u32 def_time; - u32 queue_time; - u32 dev_busy_time; - u32 dev_act_time; - u8 sense[32]; -} __attribute__ ((packed)); - -/** - * struct tsa_ddpcs - Device-Detected-Program-Check Transport-Status Area (DDPC TSA) - * @rc: Reason Code - * @rcq: Reason Code Qualifier - * @sense: Sense Data (if present) - */ -struct tsa_ddpc { - u32 :24; - u32 rc:8; - u8 rcq[16]; - u8 sense[32]; -} __attribute__ ((packed)); - -#define TSA_INTRG_FLAGS_CU_STATE_VALID 1 << (7 - 0) -#define TSA_INTRG_FLAGS_DEV_STATE_VALID 1 << (7 - 1) -#define TSA_INTRG_FLAGS_OP_STATE_VALID 1 << (7 - 2) - -/** - * struct tsa_intrg - Interrogate Transport-Status Area (Intrg. TSA) - * @format: Format - * @flags: Flags. Can be an arithmetic OR of the following constants: - * %TSA_INTRG_FLAGS_CU_STATE_VALID, %TSA_INTRG_FLAGS_DEV_STATE_VALID, - * %TSA_INTRG_FLAGS_OP_STATE_VALID - * @cu_state: Controle-Unit State - * @dev_state: Device State - * @op_state: Operation State - * @sd_info: State-Dependent Information - * @dl_id: Device-Level Identifier - * @dd_data: Device-Dependent Data - */ -struct tsa_intrg { - u32 format:8; - u32 flags:8; - u32 cu_state:8; - u32 dev_state:8; - u32 op_state:8; - u32 :24; - u8 sd_info[12]; - u32 dl_id; - u8 dd_data[28]; -} __attribute__ ((packed)); - -#define TSB_FORMAT_NONE 0 -#define TSB_FORMAT_IOSTAT 1 -#define TSB_FORMAT_DDPC 2 -#define TSB_FORMAT_INTRG 3 - -#define TSB_FLAGS_DCW_OFFSET_VALID 1 << (7 - 0) -#define TSB_FLAGS_COUNT_VALID 1 << (7 - 1) -#define TSB_FLAGS_CACHE_MISS 1 << (7 - 2) -#define TSB_FLAGS_TIME_VALID 1 << (7 - 3) -#define TSB_FLAGS_FORMAT(x) ((x) & 7) -#define TSB_FORMAT(t) ((t)->flags & 7) - -/** - * struct tsb - Transport-Status Block (TSB) - * @length: Length - * @flags: Flags. Can be an arithmetic OR of the following constants: - * %TSB_FLAGS_DCW_OFFSET_VALID, %TSB_FLAGS_COUNT_VALID, %TSB_FLAGS_CACHE_MISS, - * %TSB_FLAGS_TIME_VALID - * @dcw_offset: DCW Offset - * @count: Count - * @tsa: Transport-Status-Area - */ -struct tsb { - u32 length:8; - u32 flags:8; - u32 dcw_offset:16; - u32 count; - u32 :32; - union { - struct tsa_iostat iostat; - struct tsa_ddpc ddpc; - struct tsa_intrg intrg; - } __attribute__ ((packed)) tsa; -} __attribute__ ((packed, aligned(8))); - -#define DCW_INTRG_FORMAT_DEFAULT 0 - -#define DCW_INTRG_RC_UNSPECIFIED 0 -#define DCW_INTRG_RC_TIMEOUT 1 - -#define DCW_INTRG_RCQ_UNSPECIFIED 0 -#define DCW_INTRG_RCQ_PRIMARY 1 -#define DCW_INTRG_RCQ_SECONDARY 2 - -#define DCW_INTRG_FLAGS_MPM 1 < (7 - 0) -#define DCW_INTRG_FLAGS_PPR 1 < (7 - 1) -#define DCW_INTRG_FLAGS_CRIT 1 < (7 - 2) - -/** - * struct dcw_intrg_data - Interrogate DCW data - * @format: Format. Should be %DCW_INTRG_FORMAT_DEFAULT - * @rc: Reason Code. Can be one of %DCW_INTRG_RC_UNSPECIFIED, - * %DCW_INTRG_RC_TIMEOUT - * @rcq: Reason Code Qualifier: Can be one of %DCW_INTRG_RCQ_UNSPECIFIED, - * %DCW_INTRG_RCQ_PRIMARY, %DCW_INTRG_RCQ_SECONDARY - * @lpm: Logical-Path Mask - * @pam: Path-Available Mask - * @pim: Path-Installed Mask - * @timeout: Timeout - * @flags: Flags. Can be an arithmetic OR of %DCW_INTRG_FLAGS_MPM, - * %DCW_INTRG_FLAGS_PPR, %DCW_INTRG_FLAGS_CRIT - * @time: Time - * @prog_id: Program Identifier - * @prog_data: Program-Dependent Data - */ -struct dcw_intrg_data { - u32 format:8; - u32 rc:8; - u32 rcq:8; - u32 lpm:8; - u32 pam:8; - u32 pim:8; - u32 timeout:16; - u32 flags:8; - u32 :24; - u32 :32; - u64 time; - u64 prog_id; - u8 prog_data[0]; -} __attribute__ ((packed)); - -#define DCW_FLAGS_CC 1 << (7 - 1) - -#define DCW_CMD_WRITE 0x01 -#define DCW_CMD_READ 0x02 -#define DCW_CMD_CONTROL 0x03 -#define DCW_CMD_SENSE 0x04 -#define DCW_CMD_SENSE_ID 0xe4 -#define DCW_CMD_INTRG 0x40 - -/** - * struct dcw - Device-Command Word (DCW) - * @cmd: Command Code. Can be one of %DCW_CMD_WRITE, %DCW_CMD_READ, - * %DCW_CMD_CONTROL, %DCW_CMD_SENSE, %DCW_CMD_SENSE_ID, %DCW_CMD_INTRG - * @flags: Flags. Can be an arithmetic OR of %DCW_FLAGS_CC - * @cd_count: Control-Data Count - * @count: Count - * @cd: Control Data - */ -struct dcw { - u32 cmd:8; - u32 flags:8; - u32 :8; - u32 cd_count:8; - u32 count; - u8 cd[0]; -} __attribute__ ((packed)); - -#define TCCB_FORMAT_DEFAULT 0x7f -#define TCCB_MAX_DCW 30 -#define TCCB_MAX_SIZE (sizeof(struct tccb_tcah) + \ - TCCB_MAX_DCW * sizeof(struct dcw) + \ - sizeof(struct tccb_tcat)) -#define TCCB_SAC_DEFAULT 0x1ffe -#define TCCB_SAC_INTRG 0x1fff - -/** - * struct tccb_tcah - Transport-Command-Area Header (TCAH) - * @format: Format. Should be %TCCB_FORMAT_DEFAULT - * @tcal: Transport-Command-Area Length - * @sac: Service-Action Code. Can be one of %TCCB_SAC_DEFAULT, %TCCB_SAC_INTRG - * @prio: Priority - */ -struct tccb_tcah { - u32 format:8; - u32 :24; - u32 :24; - u32 tcal:8; - u32 sac:16; - u32 :8; - u32 prio:8; - u32 :32; -} __attribute__ ((packed)); - -/** - * struct tccb_tcat - Transport-Command-Area Trailer (TCAT) - * @count: Transport Count - */ -struct tccb_tcat { - u32 :32; - u32 count; -} __attribute__ ((packed)); - -/** - * struct tccb - (partial) Transport-Command-Control Block (TCCB) - * @tcah: TCAH - * @tca: Transport-Command Area - */ -struct tccb { - struct tccb_tcah tcah; - u8 tca[0]; -} __attribute__ ((packed, aligned(8))); - -struct tcw *tcw_get_intrg(struct tcw *tcw); -void *tcw_get_data(struct tcw *tcw); -struct tccb *tcw_get_tccb(struct tcw *tcw); -struct tsb *tcw_get_tsb(struct tcw *tcw); - -void tcw_init(struct tcw *tcw, int r, int w); -void tcw_finalize(struct tcw *tcw, int num_tidaws); - -void tcw_set_intrg(struct tcw *tcw, struct tcw *intrg_tcw); -void tcw_set_data(struct tcw *tcw, void *data, int use_tidal); -void tcw_set_tccb(struct tcw *tcw, struct tccb *tccb); -void tcw_set_tsb(struct tcw *tcw, struct tsb *tsb); - -void tccb_init(struct tccb *tccb, size_t tccb_size, u32 sac); -void tsb_init(struct tsb *tsb); -struct dcw *tccb_add_dcw(struct tccb *tccb, size_t tccb_size, u8 cmd, u8 flags, - void *cd, u8 cd_count, u32 count); -struct tidaw *tcw_add_tidaw(struct tcw *tcw, int num_tidaws, u8 flags, - void *addr, u32 count); - -#endif /* _ASM_S390_FCX_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ftrace.h b/ANDROID_3.4.5/arch/s390/include/asm/ftrace.h deleted file mode 100644 index b7931faa..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ftrace.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _ASM_S390_FTRACE_H -#define _ASM_S390_FTRACE_H - -#ifndef __ASSEMBLY__ - -extern void _mcount(void); - -struct dyn_arch_ftrace { }; - -#define MCOUNT_ADDR ((long)_mcount) - -#ifdef CONFIG_64BIT -#define MCOUNT_INSN_SIZE 12 -#else -#define MCOUNT_INSN_SIZE 20 -#endif - -static inline unsigned long ftrace_call_adjust(unsigned long addr) -{ - return addr; -} - -#endif /* __ASSEMBLY__ */ -#endif /* _ASM_S390_FTRACE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/futex.h b/ANDROID_3.4.5/arch/s390/include/asm/futex.h deleted file mode 100644 index 81cf36b6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/futex.h +++ /dev/null @@ -1,52 +0,0 @@ -#ifndef _ASM_S390_FUTEX_H -#define _ASM_S390_FUTEX_H - -#ifdef __KERNEL__ - -#include <linux/futex.h> -#include <linux/uaccess.h> -#include <asm/errno.h> - -static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) -{ - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; - int oldval, ret; - - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - - pagefault_disable(); - ret = uaccess.futex_atomic_op(op, uaddr, oparg, &oldval); - pagefault_enable(); - - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } - return ret; -} - -static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - u32 oldval, u32 newval) -{ - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - - return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval); -} - -#endif /* __KERNEL__ */ -#endif /* _ASM_S390_FUTEX_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/hardirq.h b/ANDROID_3.4.5/arch/s390/include/asm/hardirq.h deleted file mode 100644 index 510ba9ef..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/hardirq.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * include/asm-s390/hardirq.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) - * - * Derived from "include/asm-i386/hardirq.h" - */ - -#ifndef __ASM_HARDIRQ_H -#define __ASM_HARDIRQ_H - -#include <asm/lowcore.h> - -#define local_softirq_pending() (S390_lowcore.softirq_pending) - -#define __ARCH_IRQ_STAT -#define __ARCH_HAS_DO_SOFTIRQ -#define __ARCH_IRQ_EXIT_IRQS_DISABLED - -#define HARDIRQ_BITS 8 - -#endif /* __ASM_HARDIRQ_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/hugetlb.h b/ANDROID_3.4.5/arch/s390/include/asm/hugetlb.h deleted file mode 100644 index 799ed0f1..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/hugetlb.h +++ /dev/null @@ -1,149 +0,0 @@ -/* - * IBM System z Huge TLB Page Support for Kernel. - * - * Copyright IBM Corp. 2008 - * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#ifndef _ASM_S390_HUGETLB_H -#define _ASM_S390_HUGETLB_H - -#include <asm/page.h> -#include <asm/pgtable.h> - - -#define is_hugepage_only_range(mm, addr, len) 0 -#define hugetlb_free_pgd_range free_pgd_range - -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte); - -/* - * If the arch doesn't supply something else, assume that hugepage - * size aligned regions are ok without further preparation. - */ -static inline int prepare_hugepage_range(struct file *file, - unsigned long addr, unsigned long len) -{ - if (len & ~HPAGE_MASK) - return -EINVAL; - if (addr & ~HPAGE_MASK) - return -EINVAL; - return 0; -} - -#define hugetlb_prefault_arch_hook(mm) do { } while (0) - -int arch_prepare_hugepage(struct page *page); -void arch_release_hugepage(struct page *page); - -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - pte_val(pte) |= _PAGE_RO; - return pte; -} - -static inline int huge_pte_none(pte_t pte) -{ - return (pte_val(pte) & _SEGMENT_ENTRY_INV) && - !(pte_val(pte) & _SEGMENT_ENTRY_RO); -} - -static inline pte_t huge_ptep_get(pte_t *ptep) -{ - pte_t pte = *ptep; - unsigned long mask; - - if (!MACHINE_HAS_HPAGE) { - ptep = (pte_t *) (pte_val(pte) & _SEGMENT_ENTRY_ORIGIN); - if (ptep) { - mask = pte_val(pte) & - (_SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO); - pte = pte_mkhuge(*ptep); - pte_val(pte) |= mask; - } - } - return pte; -} - -static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - pte_t pte = huge_ptep_get(ptep); - - mm->context.flush_mm = 1; - pmd_clear((pmd_t *) ptep); - return pte; -} - -static inline void __pmd_csp(pmd_t *pmdp) -{ - register unsigned long reg2 asm("2") = pmd_val(*pmdp); - register unsigned long reg3 asm("3") = pmd_val(*pmdp) | - _SEGMENT_ENTRY_INV; - register unsigned long reg4 asm("4") = ((unsigned long) pmdp) + 5; - - asm volatile( - " csp %1,%3" - : "=m" (*pmdp) - : "d" (reg2), "d" (reg3), "d" (reg4), "m" (*pmdp) : "cc"); - pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY; -} - -static inline void __pmd_idte(unsigned long address, pmd_t *pmdp) -{ - unsigned long sto = (unsigned long) pmdp - - pmd_index(address) * sizeof(pmd_t); - - if (!(pmd_val(*pmdp) & _SEGMENT_ENTRY_INV)) { - asm volatile( - " .insn rrf,0xb98e0000,%2,%3,0,0" - : "=m" (*pmdp) - : "m" (*pmdp), "a" (sto), - "a" ((address & HPAGE_MASK)) - ); - } - pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY; -} - -static inline void huge_ptep_invalidate(struct mm_struct *mm, - unsigned long address, pte_t *ptep) -{ - pmd_t *pmdp = (pmd_t *) ptep; - - if (MACHINE_HAS_IDTE) - __pmd_idte(address, pmdp); - else - __pmd_csp(pmdp); -} - -#define huge_ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty) \ -({ \ - int __changed = !pte_same(huge_ptep_get(__ptep), __entry); \ - if (__changed) { \ - huge_ptep_invalidate((__vma)->vm_mm, __addr, __ptep); \ - set_huge_pte_at((__vma)->vm_mm, __addr, __ptep, __entry); \ - } \ - __changed; \ -}) - -#define huge_ptep_set_wrprotect(__mm, __addr, __ptep) \ -({ \ - pte_t __pte = huge_ptep_get(__ptep); \ - if (pte_write(__pte)) { \ - (__mm)->context.flush_mm = 1; \ - if (atomic_read(&(__mm)->context.attach_count) > 1 || \ - (__mm) != current->active_mm) \ - huge_ptep_invalidate(__mm, __addr, __ptep); \ - set_huge_pte_at(__mm, __addr, __ptep, \ - huge_pte_wrprotect(__pte)); \ - } \ -}) - -static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) -{ - huge_ptep_invalidate(vma->vm_mm, address, ptep); -} - -#endif /* _ASM_S390_HUGETLB_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/idals.h b/ANDROID_3.4.5/arch/s390/include/asm/idals.h deleted file mode 100644 index aae276d0..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/idals.h +++ /dev/null @@ -1,249 +0,0 @@ -/* - * File...........: linux/include/asm-s390x/idals.h - * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> - * Martin Schwidefsky <schwidefsky@de.ibm.com> - * Bugreports.to..: <Linux390@de.ibm.com> - * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000a - - * History of changes - * 07/24/00 new file - * 05/04/02 code restructuring. - */ - -#ifndef _S390_IDALS_H -#define _S390_IDALS_H - -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <asm/cio.h> -#include <asm/uaccess.h> - -#ifdef __s390x__ -#define IDA_SIZE_LOG 12 /* 11 for 2k , 12 for 4k */ -#else -#define IDA_SIZE_LOG 11 /* 11 for 2k , 12 for 4k */ -#endif -#define IDA_BLOCK_SIZE (1L<<IDA_SIZE_LOG) - -/* - * Test if an address/length pair needs an idal list. - */ -static inline int -idal_is_needed(void *vaddr, unsigned int length) -{ -#ifdef __s390x__ - return ((__pa(vaddr) + length - 1) >> 31) != 0; -#else - return 0; -#endif -} - - -/* - * Return the number of idal words needed for an address/length pair. - */ -static inline unsigned int idal_nr_words(void *vaddr, unsigned int length) -{ - return ((__pa(vaddr) & (IDA_BLOCK_SIZE-1)) + length + - (IDA_BLOCK_SIZE-1)) >> IDA_SIZE_LOG; -} - -/* - * Create the list of idal words for an address/length pair. - */ -static inline unsigned long *idal_create_words(unsigned long *idaws, - void *vaddr, unsigned int length) -{ - unsigned long paddr; - unsigned int cidaw; - - paddr = __pa(vaddr); - cidaw = ((paddr & (IDA_BLOCK_SIZE-1)) + length + - (IDA_BLOCK_SIZE-1)) >> IDA_SIZE_LOG; - *idaws++ = paddr; - paddr &= -IDA_BLOCK_SIZE; - while (--cidaw > 0) { - paddr += IDA_BLOCK_SIZE; - *idaws++ = paddr; - } - return idaws; -} - -/* - * Sets the address of the data in CCW. - * If necessary it allocates an IDAL and sets the appropriate flags. - */ -static inline int -set_normalized_cda(struct ccw1 * ccw, void *vaddr) -{ -#ifdef __s390x__ - unsigned int nridaws; - unsigned long *idal; - - if (ccw->flags & CCW_FLAG_IDA) - return -EINVAL; - nridaws = idal_nr_words(vaddr, ccw->count); - if (nridaws > 0) { - idal = kmalloc(nridaws * sizeof(unsigned long), - GFP_ATOMIC | GFP_DMA ); - if (idal == NULL) - return -ENOMEM; - idal_create_words(idal, vaddr, ccw->count); - ccw->flags |= CCW_FLAG_IDA; - vaddr = idal; - } -#endif - ccw->cda = (__u32)(unsigned long) vaddr; - return 0; -} - -/* - * Releases any allocated IDAL related to the CCW. - */ -static inline void -clear_normalized_cda(struct ccw1 * ccw) -{ -#ifdef __s390x__ - if (ccw->flags & CCW_FLAG_IDA) { - kfree((void *)(unsigned long) ccw->cda); - ccw->flags &= ~CCW_FLAG_IDA; - } -#endif - ccw->cda = 0; -} - -/* - * Idal buffer extension - */ -struct idal_buffer { - size_t size; - size_t page_order; - void *data[0]; -}; - -/* - * Allocate an idal buffer - */ -static inline struct idal_buffer * -idal_buffer_alloc(size_t size, int page_order) -{ - struct idal_buffer *ib; - int nr_chunks, nr_ptrs, i; - - nr_ptrs = (size + IDA_BLOCK_SIZE - 1) >> IDA_SIZE_LOG; - nr_chunks = (4096 << page_order) >> IDA_SIZE_LOG; - ib = kmalloc(sizeof(struct idal_buffer) + nr_ptrs*sizeof(void *), - GFP_DMA | GFP_KERNEL); - if (ib == NULL) - return ERR_PTR(-ENOMEM); - ib->size = size; - ib->page_order = page_order; - for (i = 0; i < nr_ptrs; i++) { - if ((i & (nr_chunks - 1)) != 0) { - ib->data[i] = ib->data[i-1] + IDA_BLOCK_SIZE; - continue; - } - ib->data[i] = (void *) - __get_free_pages(GFP_KERNEL, page_order); - if (ib->data[i] != NULL) - continue; - // Not enough memory - while (i >= nr_chunks) { - i -= nr_chunks; - free_pages((unsigned long) ib->data[i], - ib->page_order); - } - kfree(ib); - return ERR_PTR(-ENOMEM); - } - return ib; -} - -/* - * Free an idal buffer. - */ -static inline void -idal_buffer_free(struct idal_buffer *ib) -{ - int nr_chunks, nr_ptrs, i; - - nr_ptrs = (ib->size + IDA_BLOCK_SIZE - 1) >> IDA_SIZE_LOG; - nr_chunks = (4096 << ib->page_order) >> IDA_SIZE_LOG; - for (i = 0; i < nr_ptrs; i += nr_chunks) - free_pages((unsigned long) ib->data[i], ib->page_order); - kfree(ib); -} - -/* - * Test if a idal list is really needed. - */ -static inline int -__idal_buffer_is_needed(struct idal_buffer *ib) -{ -#ifdef __s390x__ - return ib->size > (4096ul << ib->page_order) || - idal_is_needed(ib->data[0], ib->size); -#else - return ib->size > (4096ul << ib->page_order); -#endif -} - -/* - * Set channel data address to idal buffer. - */ -static inline void -idal_buffer_set_cda(struct idal_buffer *ib, struct ccw1 *ccw) -{ - if (__idal_buffer_is_needed(ib)) { - // setup idals; - ccw->cda = (u32)(addr_t) ib->data; - ccw->flags |= CCW_FLAG_IDA; - } else - // we do not need idals - use direct addressing - ccw->cda = (u32)(addr_t) ib->data[0]; - ccw->count = ib->size; -} - -/* - * Copy count bytes from an idal buffer to user memory - */ -static inline size_t -idal_buffer_to_user(struct idal_buffer *ib, void __user *to, size_t count) -{ - size_t left; - int i; - - BUG_ON(count > ib->size); - for (i = 0; count > IDA_BLOCK_SIZE; i++) { - left = copy_to_user(to, ib->data[i], IDA_BLOCK_SIZE); - if (left) - return left + count - IDA_BLOCK_SIZE; - to = (void __user *) to + IDA_BLOCK_SIZE; - count -= IDA_BLOCK_SIZE; - } - return copy_to_user(to, ib->data[i], count); -} - -/* - * Copy count bytes from user memory to an idal buffer - */ -static inline size_t -idal_buffer_from_user(struct idal_buffer *ib, const void __user *from, size_t count) -{ - size_t left; - int i; - - BUG_ON(count > ib->size); - for (i = 0; count > IDA_BLOCK_SIZE; i++) { - left = copy_from_user(ib->data[i], from, IDA_BLOCK_SIZE); - if (left) - return left + count - IDA_BLOCK_SIZE; - from = (void __user *) from + IDA_BLOCK_SIZE; - count -= IDA_BLOCK_SIZE; - } - return copy_from_user(ib->data[i], from, count); -} - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/io.h b/ANDROID_3.4.5/arch/s390/include/asm/io.h deleted file mode 100644 index b7ff6afc..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/io.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * include/asm-s390/io.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/io.h" - */ - -#ifndef _S390_IO_H -#define _S390_IO_H - -#ifdef __KERNEL__ - -#include <asm/page.h> - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * Change virtual addresses to physical addresses and vv. - * These are pretty trivial - */ -static inline unsigned long virt_to_phys(volatile void * address) -{ - unsigned long real_address; - asm volatile( - " lra %0,0(%1)\n" - " jz 0f\n" - " la %0,0\n" - "0:" - : "=a" (real_address) : "a" (address) : "cc"); - return real_address; -} - -static inline void * phys_to_virt(unsigned long address) -{ - return (void *) address; -} - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -#endif /* __KERNEL__ */ - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ioctl.h b/ANDROID_3.4.5/arch/s390/include/asm/ioctl.h deleted file mode 100644 index b279fe06..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ioctl.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/ioctl.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ioctls.h b/ANDROID_3.4.5/arch/s390/include/asm/ioctls.h deleted file mode 100644 index 960a4c1e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ioctls.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __ARCH_S390_IOCTLS_H__ -#define __ARCH_S390_IOCTLS_H__ - -#define FIOQSIZE 0x545E - -#include <asm-generic/ioctls.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ipcbuf.h b/ANDROID_3.4.5/arch/s390/include/asm/ipcbuf.h deleted file mode 100644 index 37f293d1..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ipcbuf.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __S390_IPCBUF_H__ -#define __S390_IPCBUF_H__ - -/* - * The user_ipc_perm structure for S/390 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; -#ifndef __s390x__ - unsigned short __pad2; -#endif /* ! __s390x__ */ - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __S390_IPCBUF_H__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ipl.h b/ANDROID_3.4.5/arch/s390/include/asm/ipl.h deleted file mode 100644 index 2bd6cb89..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ipl.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * s390 (re)ipl support - * - * Copyright IBM Corp. 2007 - */ - -#ifndef _ASM_S390_IPL_H -#define _ASM_S390_IPL_H - -#include <asm/types.h> -#include <asm/cio.h> -#include <asm/setup.h> - -#define IPL_PARMBLOCK_ORIGIN 0x2000 - -#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ - sizeof(struct ipl_block_fcp)) - -#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8) - -#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ - sizeof(struct ipl_block_ccw)) - -#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8) - -#define IPL_MAX_SUPPORTED_VERSION (0) - -#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ - IPL_PARMBLOCK_ORIGIN) -#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len) - -struct ipl_list_hdr { - u32 len; - u8 reserved1[3]; - u8 version; - u32 blk0_len; - u8 pbt; - u8 flags; - u16 reserved2; -} __attribute__((packed)); - -struct ipl_block_fcp { - u8 reserved1[313-1]; - u8 opt; - u8 reserved2[3]; - u16 reserved3; - u16 devno; - u8 reserved4[4]; - u64 wwpn; - u64 lun; - u32 bootprog; - u8 reserved5[12]; - u64 br_lba; - u32 scp_data_len; - u8 reserved6[260]; - u8 scp_data[]; -} __attribute__((packed)); - -#define DIAG308_VMPARM_SIZE 64 -#define DIAG308_SCPDATA_SIZE (PAGE_SIZE - (sizeof(struct ipl_list_hdr) + \ - offsetof(struct ipl_block_fcp, scp_data))) - -struct ipl_block_ccw { - u8 load_parm[8]; - u8 reserved1[84]; - u8 reserved2[2]; - u16 devno; - u8 vm_flags; - u8 reserved3[3]; - u32 vm_parm_len; - u8 nss_name[8]; - u8 vm_parm[DIAG308_VMPARM_SIZE]; - u8 reserved4[8]; -} __attribute__((packed)); - -struct ipl_parameter_block { - struct ipl_list_hdr hdr; - union { - struct ipl_block_fcp fcp; - struct ipl_block_ccw ccw; - } ipl_info; -} __attribute__((packed,aligned(4096))); - -/* - * IPL validity flags - */ -extern u32 ipl_flags; -extern u32 dump_prefix_page; -extern unsigned int zfcpdump_prefix_array[]; - -extern void do_reipl(void); -extern void do_halt(void); -extern void do_poff(void); -extern void ipl_save_parameters(void); -extern void ipl_update_parameters(void); -extern size_t append_ipl_vmparm(char *, size_t); -extern size_t append_ipl_scpdata(char *, size_t); - -enum { - IPL_DEVNO_VALID = 1, - IPL_PARMBLOCK_VALID = 2, - IPL_NSS_VALID = 4, -}; - -enum ipl_type { - IPL_TYPE_UNKNOWN = 1, - IPL_TYPE_CCW = 2, - IPL_TYPE_FCP = 4, - IPL_TYPE_FCP_DUMP = 8, - IPL_TYPE_NSS = 16, -}; - -struct ipl_info -{ - enum ipl_type type; - union { - struct { - struct ccw_dev_id dev_id; - } ccw; - struct { - struct ccw_dev_id dev_id; - u64 wwpn; - u64 lun; - } fcp; - struct { - char name[NSS_NAME_SIZE + 1]; - } nss; - } data; -}; - -extern struct ipl_info ipl_info; -extern void setup_ipl(void); - -/* - * DIAG 308 support - */ -enum diag308_subcode { - DIAG308_REL_HSA = 2, - DIAG308_IPL = 3, - DIAG308_DUMP = 4, - DIAG308_SET = 5, - DIAG308_STORE = 6, -}; - -enum diag308_ipl_type { - DIAG308_IPL_TYPE_FCP = 0, - DIAG308_IPL_TYPE_CCW = 2, -}; - -enum diag308_opt { - DIAG308_IPL_OPT_IPL = 0x10, - DIAG308_IPL_OPT_DUMP = 0x20, -}; - -enum diag308_flags { - DIAG308_FLAGS_LP_VALID = 0x80, -}; - -enum diag308_vm_flags { - DIAG308_VM_FLAGS_NSS_VALID = 0x80, - DIAG308_VM_FLAGS_VP_VALID = 0x40, -}; - -enum diag308_rc { - DIAG308_RC_OK = 0x0001, - DIAG308_RC_NOCONFIG = 0x0102, -}; - -extern int diag308(unsigned long subcode, void *addr); -extern void diag308_reset(void); -extern void store_status(void); -extern void lgr_info_log(void); - -#endif /* _ASM_S390_IPL_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/irq.h b/ANDROID_3.4.5/arch/s390/include/asm/irq.h deleted file mode 100644 index 5289cacd..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/irq.h +++ /dev/null @@ -1,51 +0,0 @@ -#ifndef _ASM_IRQ_H -#define _ASM_IRQ_H - -#include <linux/hardirq.h> -#include <linux/types.h> - -enum interruption_class { - EXTERNAL_INTERRUPT, - IO_INTERRUPT, - EXTINT_CLK, - EXTINT_EXC, - EXTINT_EMS, - EXTINT_TMR, - EXTINT_TLA, - EXTINT_PFL, - EXTINT_DSD, - EXTINT_VRT, - EXTINT_SCP, - EXTINT_IUC, - EXTINT_CPM, - IOINT_CIO, - IOINT_QAI, - IOINT_DAS, - IOINT_C15, - IOINT_C70, - IOINT_TAP, - IOINT_VMR, - IOINT_LCS, - IOINT_CLW, - IOINT_CTC, - IOINT_APB, - IOINT_CSC, - NMI_NMI, - NR_IRQS, -}; - -struct ext_code { - unsigned short subcode; - unsigned short code; -}; - -typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long); - -int register_external_interrupt(u16 code, ext_int_handler_t handler); -int unregister_external_interrupt(u16 code, ext_int_handler_t handler); -void service_subclass_irq_register(void); -void service_subclass_irq_unregister(void); -void measurement_alert_subclass_register(void); -void measurement_alert_subclass_unregister(void); - -#endif /* _ASM_IRQ_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/irq_regs.h b/ANDROID_3.4.5/arch/s390/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b7..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/irqflags.h b/ANDROID_3.4.5/arch/s390/include/asm/irqflags.h deleted file mode 100644 index 38fdf451..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/irqflags.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright IBM Corp. 2006,2010 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_IRQFLAGS_H -#define __ASM_IRQFLAGS_H - -#include <linux/types.h> - -/* store then OR system mask. */ -#define __arch_local_irq_stosm(__or) \ -({ \ - unsigned long __mask; \ - asm volatile( \ - " stosm %0,%1" \ - : "=Q" (__mask) : "i" (__or) : "memory"); \ - __mask; \ -}) - -/* store then AND system mask. */ -#define __arch_local_irq_stnsm(__and) \ -({ \ - unsigned long __mask; \ - asm volatile( \ - " stnsm %0,%1" \ - : "=Q" (__mask) : "i" (__and) : "memory"); \ - __mask; \ -}) - -/* set system mask. */ -static inline notrace void __arch_local_irq_ssm(unsigned long flags) -{ - asm volatile("ssm %0" : : "Q" (flags) : "memory"); -} - -static inline notrace unsigned long arch_local_save_flags(void) -{ - return __arch_local_irq_stosm(0x00); -} - -static inline notrace unsigned long arch_local_irq_save(void) -{ - return __arch_local_irq_stnsm(0xfc); -} - -static inline notrace void arch_local_irq_disable(void) -{ - arch_local_irq_save(); -} - -static inline notrace void arch_local_irq_enable(void) -{ - __arch_local_irq_stosm(0x03); -} - -static inline notrace void arch_local_irq_restore(unsigned long flags) -{ - __arch_local_irq_ssm(flags); -} - -static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) -{ - return !(flags & (3UL << (BITS_PER_LONG - 8))); -} - -static inline notrace bool arch_irqs_disabled(void) -{ - return arch_irqs_disabled_flags(arch_local_save_flags()); -} - -#endif /* __ASM_IRQFLAGS_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/isc.h b/ANDROID_3.4.5/arch/s390/include/asm/isc.h deleted file mode 100644 index 1420a111..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/isc.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _ASM_S390_ISC_H -#define _ASM_S390_ISC_H - -#include <linux/types.h> - -/* - * I/O interruption subclasses used by drivers. - * Please add all used iscs here so that it is possible to distribute - * isc usage between drivers. - * Reminder: 0 is highest priority, 7 lowest. - */ -#define MAX_ISC 7 - -/* Regular I/O interrupts. */ -#define IO_SCH_ISC 3 /* regular I/O subchannels */ -#define CONSOLE_ISC 1 /* console I/O subchannel */ -#define CHSC_SCH_ISC 7 /* CHSC subchannels */ -/* Adapter interrupts. */ -#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ -#define AP_ISC 6 /* adjunct processor (crypto) devices */ - -/* Functions for registration of I/O interruption subclasses */ -void isc_register(unsigned int isc); -void isc_unregister(unsigned int isc); - -#endif /* _ASM_S390_ISC_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/itcw.h b/ANDROID_3.4.5/arch/s390/include/asm/itcw.h deleted file mode 100644 index fb1bedd3..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/itcw.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Functions for incremental construction of fcx enabled I/O control blocks. - * - * Copyright IBM Corp. 2008 - * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_ITCW_H -#define _ASM_S390_ITCW_H - -#include <linux/types.h> -#include <asm/fcx.h> - -#define ITCW_OP_READ 0 -#define ITCW_OP_WRITE 1 - -struct itcw; - -struct tcw *itcw_get_tcw(struct itcw *itcw); -size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws); -struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg, - int max_tidaws, int intrg_max_tidaws); -struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd, - u8 cd_count, u32 count); -struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr, - u32 count); -void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal); -void itcw_finalize(struct itcw *itcw); - -#endif /* _ASM_S390_ITCW_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/jump_label.h b/ANDROID_3.4.5/arch/s390/include/asm/jump_label.h deleted file mode 100644 index 6c32190d..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/jump_label.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _ASM_S390_JUMP_LABEL_H -#define _ASM_S390_JUMP_LABEL_H - -#include <linux/types.h> - -#define JUMP_LABEL_NOP_SIZE 6 - -#ifdef CONFIG_64BIT -#define ASM_PTR ".quad" -#define ASM_ALIGN ".balign 8" -#else -#define ASM_PTR ".long" -#define ASM_ALIGN ".balign 4" -#endif - -static __always_inline bool arch_static_branch(struct static_key *key) -{ - asm goto("0: brcl 0,0\n" - ".pushsection __jump_table, \"aw\"\n" - ASM_ALIGN "\n" - ASM_PTR " 0b, %l[label], %0\n" - ".popsection\n" - : : "X" (key) : : label); - return false; -label: - return true; -} - -typedef unsigned long jump_label_t; - -struct jump_entry { - jump_label_t code; - jump_label_t target; - jump_label_t key; -}; - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kdebug.h b/ANDROID_3.4.5/arch/s390/include/asm/kdebug.h deleted file mode 100644 index 5c1abd47..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kdebug.h +++ /dev/null @@ -1,27 +0,0 @@ -#ifndef _S390_KDEBUG_H -#define _S390_KDEBUG_H - -/* - * Feb 2006 Ported to s390 <grundym@us.ibm.com> - */ - -struct pt_regs; - -enum die_val { - DIE_OOPS = 1, - DIE_BPT, - DIE_SSTEP, - DIE_PANIC, - DIE_NMI, - DIE_DIE, - DIE_NMIWATCHDOG, - DIE_KERNELDEBUG, - DIE_TRAP, - DIE_GPF, - DIE_CALL, - DIE_NMI_IPI, -}; - -extern void die(struct pt_regs *, const char *); - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kexec.h b/ANDROID_3.4.5/arch/s390/include/asm/kexec.h deleted file mode 100644 index 3f30dac8..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kexec.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * include/asm-s390/kexec.h - * - * (C) Copyright IBM Corp. 2005 - * - * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com> - * - */ - -#ifndef _S390_KEXEC_H -#define _S390_KEXEC_H - -#ifdef __KERNEL__ -#include <asm/page.h> -#endif -#include <asm/processor.h> -/* - * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. - * I.e. Maximum page that is mapped directly into kernel memory, - * and kmap is not required. - */ - -/* Maximum physical address we can use pages from */ -#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) - -/* Maximum address we can reach in physical address mode */ -#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) - -/* Maximum address we can use for the control pages */ -/* Not more than 2GB */ -#define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31) - -/* Maximum address we can use for the crash control pages */ -#define KEXEC_CRASH_CONTROL_MEMORY_LIMIT (-1UL) - -/* Allocate one page for the pdp and the second for the code */ -#define KEXEC_CONTROL_PAGE_SIZE 4096 - -/* Alignment of crashkernel memory */ -#define KEXEC_CRASH_MEM_ALIGN HPAGE_SIZE - -/* The native architecture */ -#define KEXEC_ARCH KEXEC_ARCH_S390 - -/* - * Size for s390x ELF notes per CPU - * - * Seven notes plus zero note at the end: prstatus, fpregset, timer, - * tod_cmp, tod_reg, control regs, and prefix - */ -#define KEXEC_NOTE_BYTES \ - (ALIGN(sizeof(struct elf_note), 4) * 8 + \ - ALIGN(sizeof("CORE"), 4) * 7 + \ - ALIGN(sizeof(struct elf_prstatus), 4) + \ - ALIGN(sizeof(elf_fpregset_t), 4) + \ - ALIGN(sizeof(u64), 4) + \ - ALIGN(sizeof(u64), 4) + \ - ALIGN(sizeof(u32), 4) + \ - ALIGN(sizeof(u64) * 16, 4) + \ - ALIGN(sizeof(u32), 4) \ - ) - -/* Provide a dummy definition to avoid build failures. */ -static inline void crash_setup_regs(struct pt_regs *newregs, - struct pt_regs *oldregs) { } - -#endif /*_S390_KEXEC_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kmap_types.h b/ANDROID_3.4.5/arch/s390/include/asm/kmap_types.h deleted file mode 100644 index 94ec3ee0..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kmap_types.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifdef __KERNEL__ -#ifndef _ASM_KMAP_TYPES_H -#define _ASM_KMAP_TYPES_H - -#include <asm-generic/kmap_types.h> - -#endif -#endif /* __KERNEL__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kprobes.h b/ANDROID_3.4.5/arch/s390/include/asm/kprobes.h deleted file mode 100644 index a231a943..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kprobes.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef _ASM_S390_KPROBES_H -#define _ASM_S390_KPROBES_H -/* - * Kernel Probes (KProbes) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2002, 2006 - * - * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel - * Probes initial implementation ( includes suggestions from - * Rusty Russell). - * 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli - * <ananth@in.ibm.com> - * 2005-Dec Used as a template for s390 by Mike Grundy - * <grundym@us.ibm.com> - */ -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/percpu.h> - -struct pt_regs; -struct kprobe; - -typedef u16 kprobe_opcode_t; -#define BREAKPOINT_INSTRUCTION 0x0002 - -/* Maximum instruction size is 3 (16bit) halfwords: */ -#define MAX_INSN_SIZE 0x0003 -#define MAX_STACK_SIZE 64 -#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ - (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \ - ? (MAX_STACK_SIZE) \ - : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) - -#define kretprobe_blacklist_size 0 - -#define KPROBE_SWAP_INST 0x10 - -#define FIXUP_PSW_NORMAL 0x08 -#define FIXUP_BRANCH_NOT_TAKEN 0x04 -#define FIXUP_RETURN_REGISTER 0x02 -#define FIXUP_NOT_REQUIRED 0x01 - -/* Architecture specific copy of original instruction */ -struct arch_specific_insn { - /* copy of original instruction */ - kprobe_opcode_t insn[MAX_INSN_SIZE]; -}; - -struct prev_kprobe { - struct kprobe *kp; - unsigned long status; -}; - -/* per-cpu kprobe control block */ -struct kprobe_ctlblk { - unsigned long kprobe_status; - unsigned long kprobe_saved_imask; - unsigned long kprobe_saved_ctl[3]; - struct prev_kprobe prev_kprobe; - struct pt_regs jprobe_saved_regs; - kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE]; -}; - -void arch_remove_kprobe(struct kprobe *p); -void kretprobe_trampoline(void); - -int kprobe_fault_handler(struct pt_regs *regs, int trapnr); -int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); - -#define flush_insn_slot(p) do { } while (0) - -#endif /* _ASM_S390_KPROBES_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kvm.h b/ANDROID_3.4.5/arch/s390/include/asm/kvm.h deleted file mode 100644 index 96076676..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kvm.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef __LINUX_KVM_S390_H -#define __LINUX_KVM_S390_H -/* - * asm-s390/kvm.h - KVM s390 specific structures and definitions - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - */ -#include <linux/types.h> - -#define __KVM_S390 - -/* for KVM_GET_REGS and KVM_SET_REGS */ -struct kvm_regs { - /* general purpose regs for s390 */ - __u64 gprs[16]; -}; - -/* for KVM_GET_SREGS and KVM_SET_SREGS */ -struct kvm_sregs { - __u32 acrs[16]; - __u64 crs[16]; -}; - -/* for KVM_GET_FPU and KVM_SET_FPU */ -struct kvm_fpu { - __u32 fpc; - __u64 fprs[16]; -}; - -struct kvm_debug_exit_arch { -}; - -/* for KVM_SET_GUEST_DEBUG */ -struct kvm_guest_debug_arch { -}; - -#define KVM_SYNC_PREFIX (1UL << 0) -#define KVM_SYNC_GPRS (1UL << 1) -#define KVM_SYNC_ACRS (1UL << 2) -#define KVM_SYNC_CRS (1UL << 3) -/* definition of registers in kvm_run */ -struct kvm_sync_regs { - __u64 prefix; /* prefix register */ - __u64 gprs[16]; /* general purpose registers */ - __u32 acrs[16]; /* access registers */ - __u64 crs[16]; /* control registers */ -}; -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kvm_host.h b/ANDROID_3.4.5/arch/s390/include/asm/kvm_host.h deleted file mode 100644 index 73438728..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kvm_host.h +++ /dev/null @@ -1,259 +0,0 @@ -/* - * asm-s390/kvm_host.h - definition for kernel virtual machines on s390 - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - */ - - -#ifndef ASM_KVM_HOST_H -#define ASM_KVM_HOST_H -#include <linux/hrtimer.h> -#include <linux/interrupt.h> -#include <linux/kvm_host.h> -#include <asm/debug.h> -#include <asm/cpu.h> - -#define KVM_MAX_VCPUS 64 -#define KVM_MEMORY_SLOTS 32 -/* memory slots that does not exposed to userspace */ -#define KVM_PRIVATE_MEM_SLOTS 4 - -struct sca_entry { - atomic_t scn; - __u32 reserved; - __u64 sda; - __u64 reserved2[2]; -} __attribute__((packed)); - - -struct sca_block { - __u64 ipte_control; - __u64 reserved[5]; - __u64 mcn; - __u64 reserved2; - struct sca_entry cpu[64]; -} __attribute__((packed)); - -#define KVM_NR_PAGE_SIZES 2 -#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 8) -#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) -#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) -#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) -#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) - -#define CPUSTAT_STOPPED 0x80000000 -#define CPUSTAT_WAIT 0x10000000 -#define CPUSTAT_ECALL_PEND 0x08000000 -#define CPUSTAT_STOP_INT 0x04000000 -#define CPUSTAT_IO_INT 0x02000000 -#define CPUSTAT_EXT_INT 0x01000000 -#define CPUSTAT_RUNNING 0x00800000 -#define CPUSTAT_RETAINED 0x00400000 -#define CPUSTAT_TIMING_SUB 0x00020000 -#define CPUSTAT_SIE_SUB 0x00010000 -#define CPUSTAT_RRF 0x00008000 -#define CPUSTAT_SLSV 0x00004000 -#define CPUSTAT_SLSR 0x00002000 -#define CPUSTAT_ZARCH 0x00000800 -#define CPUSTAT_MCDS 0x00000100 -#define CPUSTAT_SM 0x00000080 -#define CPUSTAT_G 0x00000008 -#define CPUSTAT_J 0x00000002 -#define CPUSTAT_P 0x00000001 - -struct kvm_s390_sie_block { - atomic_t cpuflags; /* 0x0000 */ - __u32 prefix; /* 0x0004 */ - __u8 reserved8[32]; /* 0x0008 */ - __u64 cputm; /* 0x0028 */ - __u64 ckc; /* 0x0030 */ - __u64 epoch; /* 0x0038 */ - __u8 reserved40[4]; /* 0x0040 */ -#define LCTL_CR0 0x8000 - __u16 lctl; /* 0x0044 */ - __s16 icpua; /* 0x0046 */ - __u32 ictl; /* 0x0048 */ - __u32 eca; /* 0x004c */ - __u8 icptcode; /* 0x0050 */ - __u8 reserved51; /* 0x0051 */ - __u16 ihcpu; /* 0x0052 */ - __u8 reserved54[2]; /* 0x0054 */ - __u16 ipa; /* 0x0056 */ - __u32 ipb; /* 0x0058 */ - __u32 scaoh; /* 0x005c */ - __u8 reserved60; /* 0x0060 */ - __u8 ecb; /* 0x0061 */ - __u8 reserved62[2]; /* 0x0062 */ - __u32 scaol; /* 0x0064 */ - __u8 reserved68[4]; /* 0x0068 */ - __u32 todpr; /* 0x006c */ - __u8 reserved70[32]; /* 0x0070 */ - psw_t gpsw; /* 0x0090 */ - __u64 gg14; /* 0x00a0 */ - __u64 gg15; /* 0x00a8 */ - __u8 reservedb0[30]; /* 0x00b0 */ - __u16 iprcc; /* 0x00ce */ - __u8 reservedd0[48]; /* 0x00d0 */ - __u64 gcr[16]; /* 0x0100 */ - __u64 gbea; /* 0x0180 */ - __u8 reserved188[24]; /* 0x0188 */ - __u32 fac; /* 0x01a0 */ - __u8 reserved1a4[92]; /* 0x01a4 */ -} __attribute__((packed)); - -struct kvm_vcpu_stat { - u32 exit_userspace; - u32 exit_null; - u32 exit_external_request; - u32 exit_external_interrupt; - u32 exit_stop_request; - u32 exit_validity; - u32 exit_instruction; - u32 instruction_lctl; - u32 instruction_lctlg; - u32 exit_program_interruption; - u32 exit_instr_and_program; - u32 deliver_external_call; - u32 deliver_emergency_signal; - u32 deliver_service_signal; - u32 deliver_virtio_interrupt; - u32 deliver_stop_signal; - u32 deliver_prefix_signal; - u32 deliver_restart_signal; - u32 deliver_program_int; - u32 exit_wait_state; - u32 instruction_stidp; - u32 instruction_spx; - u32 instruction_stpx; - u32 instruction_stap; - u32 instruction_storage_key; - u32 instruction_stsch; - u32 instruction_chsc; - u32 instruction_stsi; - u32 instruction_stfl; - u32 instruction_tprot; - u32 instruction_sigp_sense; - u32 instruction_sigp_sense_running; - u32 instruction_sigp_external_call; - u32 instruction_sigp_emergency; - u32 instruction_sigp_stop; - u32 instruction_sigp_arch; - u32 instruction_sigp_prefix; - u32 instruction_sigp_restart; - u32 diagnose_10; - u32 diagnose_44; -}; - -struct kvm_s390_io_info { - __u16 subchannel_id; /* 0x0b8 */ - __u16 subchannel_nr; /* 0x0ba */ - __u32 io_int_parm; /* 0x0bc */ - __u32 io_int_word; /* 0x0c0 */ -}; - -struct kvm_s390_ext_info { - __u32 ext_params; - __u64 ext_params2; -}; - -#define PGM_OPERATION 0x01 -#define PGM_PRIVILEGED_OPERATION 0x02 -#define PGM_EXECUTE 0x03 -#define PGM_PROTECTION 0x04 -#define PGM_ADDRESSING 0x05 -#define PGM_SPECIFICATION 0x06 -#define PGM_DATA 0x07 - -struct kvm_s390_pgm_info { - __u16 code; -}; - -struct kvm_s390_prefix_info { - __u32 address; -}; - -struct kvm_s390_extcall_info { - __u16 code; -}; - -struct kvm_s390_emerg_info { - __u16 code; -}; - -struct kvm_s390_interrupt_info { - struct list_head list; - u64 type; - union { - struct kvm_s390_io_info io; - struct kvm_s390_ext_info ext; - struct kvm_s390_pgm_info pgm; - struct kvm_s390_emerg_info emerg; - struct kvm_s390_extcall_info extcall; - struct kvm_s390_prefix_info prefix; - }; -}; - -/* for local_interrupt.action_flags */ -#define ACTION_STORE_ON_STOP (1<<0) -#define ACTION_STOP_ON_STOP (1<<1) -#define ACTION_RELOADVCPU_ON_STOP (1<<2) - -struct kvm_s390_local_interrupt { - spinlock_t lock; - struct list_head list; - atomic_t active; - struct kvm_s390_float_interrupt *float_int; - int timer_due; /* event indicator for waitqueue below */ - wait_queue_head_t wq; - atomic_t *cpuflags; - unsigned int action_bits; -}; - -struct kvm_s390_float_interrupt { - spinlock_t lock; - struct list_head list; - atomic_t active; - int next_rr_cpu; - unsigned long idle_mask[(KVM_MAX_VCPUS + sizeof(long) - 1) - / sizeof(long)]; - struct kvm_s390_local_interrupt *local_int[KVM_MAX_VCPUS]; -}; - - -struct kvm_vcpu_arch { - struct kvm_s390_sie_block *sie_block; - s390_fp_regs host_fpregs; - unsigned int host_acrs[NUM_ACRS]; - s390_fp_regs guest_fpregs; - struct kvm_s390_local_interrupt local_int; - struct hrtimer ckc_timer; - struct tasklet_struct tasklet; - union { - struct cpuid cpu_id; - u64 stidp_data; - }; - struct gmap *gmap; -}; - -struct kvm_vm_stat { - u32 remote_tlb_flush; -}; - -struct kvm_arch_memory_slot { -}; - -struct kvm_arch{ - struct sca_block *sca; - debug_info_t *dbf; - struct kvm_s390_float_interrupt float_int; - struct gmap *gmap; -}; - -extern int sie64a(struct kvm_s390_sie_block *, u64 *); -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kvm_para.h b/ANDROID_3.4.5/arch/s390/include/asm/kvm_para.h deleted file mode 100644 index 6964db22..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kvm_para.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * asm-s390/kvm_para.h - definition for paravirtual devices on s390 - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#ifndef __S390_KVM_PARA_H -#define __S390_KVM_PARA_H - -#ifdef __KERNEL__ - -/* - * Hypercalls for KVM on s390. The calling convention is similar to the - * s390 ABI, so we use R2-R6 for parameters 1-5. In addition we use R1 - * as hypercall number and R7 as parameter 6. The return value is - * written to R2. We use the diagnose instruction as hypercall. To avoid - * conflicts with existing diagnoses for LPAR and z/VM, we do not use - * the instruction encoded number, but specify the number in R1 and - * use 0x500 as KVM hypercall - * - * Copyright IBM Corp. 2007,2008 - * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. - */ - -static inline long kvm_hypercall0(unsigned long nr) -{ - register unsigned long __nr asm("1") = nr; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr): "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall1(unsigned long nr, unsigned long p1) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall2(unsigned long nr, unsigned long p1, - unsigned long p2) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2) - : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall3(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3) : "memory", "cc"); - return __rc; -} - - -static inline long kvm_hypercall4(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall5(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register unsigned long __p5 asm("6") = p5; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4), "d" (__p5) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall6(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, - unsigned long p6) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register unsigned long __p5 asm("6") = p5; - register unsigned long __p6 asm("7") = p6; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4), "d" (__p5), "d" (__p6) - : "memory", "cc"); - return __rc; -} - -/* kvm on s390 is always paravirtualization enabled */ -static inline int kvm_para_available(void) -{ - return 1; -} - -/* No feature bits are currently assigned for kvm on s390 */ -static inline unsigned int kvm_arch_para_features(void) -{ - return 0; -} - -#endif - -#endif /* __S390_KVM_PARA_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/kvm_virtio.h b/ANDROID_3.4.5/arch/s390/include/asm/kvm_virtio.h deleted file mode 100644 index 72f61418..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/kvm_virtio.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * kvm_virtio.h - definition for virtio for kvm on s390 - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#ifndef __KVM_S390_VIRTIO_H -#define __KVM_S390_VIRTIO_H - -#include <linux/types.h> - -struct kvm_device_desc { - /* The device type: console, network, disk etc. Type 0 terminates. */ - __u8 type; - /* The number of virtqueues (first in config array) */ - __u8 num_vq; - /* - * The number of bytes of feature bits. Multiply by 2: one for host - * features and one for guest acknowledgements. - */ - __u8 feature_len; - /* The number of bytes of the config array after virtqueues. */ - __u8 config_len; - /* A status byte, written by the Guest. */ - __u8 status; - __u8 config[0]; -}; - -/* - * This is how we expect the device configuration field for a virtqueue - * to be laid out in config space. - */ -struct kvm_vqconfig { - /* The token returned with an interrupt. Set by the guest */ - __u64 token; - /* The address of the virtio ring */ - __u64 address; - /* The number of entries in the virtio_ring */ - __u16 num; - -}; - -#define KVM_S390_VIRTIO_NOTIFY 0 -#define KVM_S390_VIRTIO_RESET 1 -#define KVM_S390_VIRTIO_SET_STATUS 2 - -/* The alignment to use between consumer and producer parts of vring. - * This is pagesize for historical reasons. */ -#define KVM_S390_VIRTIO_RING_ALIGN 4096 - - -/* These values are supposed to be in ext_params on an interrupt */ -#define VIRTIO_PARAM_MASK 0xff -#define VIRTIO_PARAM_VRING_INTERRUPT 0x0 -#define VIRTIO_PARAM_CONFIG_CHANGED 0x1 -#define VIRTIO_PARAM_DEV_ADD 0x2 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/linkage.h b/ANDROID_3.4.5/arch/s390/include/asm/linkage.h deleted file mode 100644 index fc8a8284..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/linkage.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef __ASM_LINKAGE_H -#define __ASM_LINKAGE_H - -#include <linux/stringify.h> - -#define __ALIGN .align 4, 0x07 -#define __ALIGN_STR __stringify(__ALIGN) - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/local.h b/ANDROID_3.4.5/arch/s390/include/asm/local.h deleted file mode 100644 index c11c530f..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/local.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/local64.h b/ANDROID_3.4.5/arch/s390/include/asm/local64.h deleted file mode 100644 index 36c93b5c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/local64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local64.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/lowcore.h b/ANDROID_3.4.5/arch/s390/include/asm/lowcore.h deleted file mode 100644 index 47853deb..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/lowcore.h +++ /dev/null @@ -1,361 +0,0 @@ -/* - * Copyright IBM Corp. 1999,2012 - * Author(s): Hartmut Penner <hp@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Denis Joseph Barrow, - */ - -#ifndef _ASM_S390_LOWCORE_H -#define _ASM_S390_LOWCORE_H - -#include <linux/types.h> -#include <asm/ptrace.h> -#include <asm/cpu.h> - -#ifdef CONFIG_32BIT - -#define LC_ORDER 0 -#define LC_PAGES 1 - -struct save_area { - u32 ext_save; - u64 timer; - u64 clk_cmp; - u8 pad1[24]; - u8 psw[8]; - u32 pref_reg; - u8 pad2[20]; - u32 acc_regs[16]; - u64 fp_regs[4]; - u32 gp_regs[16]; - u32 ctrl_regs[16]; -} __packed; - -struct _lowcore { - psw_t restart_psw; /* 0x0000 */ - psw_t restart_old_psw; /* 0x0008 */ - __u8 pad_0x0010[0x0014-0x0010]; /* 0x0010 */ - __u32 ipl_parmblock_ptr; /* 0x0014 */ - psw_t external_old_psw; /* 0x0018 */ - psw_t svc_old_psw; /* 0x0020 */ - psw_t program_old_psw; /* 0x0028 */ - psw_t mcck_old_psw; /* 0x0030 */ - psw_t io_old_psw; /* 0x0038 */ - __u8 pad_0x0040[0x0058-0x0040]; /* 0x0040 */ - psw_t external_new_psw; /* 0x0058 */ - psw_t svc_new_psw; /* 0x0060 */ - psw_t program_new_psw; /* 0x0068 */ - psw_t mcck_new_psw; /* 0x0070 */ - psw_t io_new_psw; /* 0x0078 */ - __u32 ext_params; /* 0x0080 */ - __u16 ext_cpu_addr; /* 0x0084 */ - __u16 ext_int_code; /* 0x0086 */ - __u16 svc_ilc; /* 0x0088 */ - __u16 svc_code; /* 0x008a */ - __u16 pgm_ilc; /* 0x008c */ - __u16 pgm_code; /* 0x008e */ - __u32 trans_exc_code; /* 0x0090 */ - __u16 mon_class_num; /* 0x0094 */ - __u16 per_perc_atmid; /* 0x0096 */ - __u32 per_address; /* 0x0098 */ - __u32 monitor_code; /* 0x009c */ - __u8 exc_access_id; /* 0x00a0 */ - __u8 per_access_id; /* 0x00a1 */ - __u8 op_access_id; /* 0x00a2 */ - __u8 ar_access_id; /* 0x00a3 */ - __u8 pad_0x00a4[0x00b8-0x00a4]; /* 0x00a4 */ - __u16 subchannel_id; /* 0x00b8 */ - __u16 subchannel_nr; /* 0x00ba */ - __u32 io_int_parm; /* 0x00bc */ - __u32 io_int_word; /* 0x00c0 */ - __u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */ - __u32 stfl_fac_list; /* 0x00c8 */ - __u8 pad_0x00cc[0x00d4-0x00cc]; /* 0x00cc */ - __u32 extended_save_area_addr; /* 0x00d4 */ - __u32 cpu_timer_save_area[2]; /* 0x00d8 */ - __u32 clock_comp_save_area[2]; /* 0x00e0 */ - __u32 mcck_interruption_code[2]; /* 0x00e8 */ - __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */ - __u32 external_damage_code; /* 0x00f4 */ - __u32 failing_storage_address; /* 0x00f8 */ - __u8 pad_0x00fc[0x0100-0x00fc]; /* 0x00fc */ - psw_t psw_save_area; /* 0x0100 */ - __u32 prefixreg_save_area; /* 0x0108 */ - __u8 pad_0x010c[0x0120-0x010c]; /* 0x010c */ - - /* CPU register save area: defined by architecture */ - __u32 access_regs_save_area[16]; /* 0x0120 */ - __u32 floating_pt_save_area[8]; /* 0x0160 */ - __u32 gpregs_save_area[16]; /* 0x0180 */ - __u32 cregs_save_area[16]; /* 0x01c0 */ - - /* Save areas. */ - __u32 save_area_sync[8]; /* 0x0200 */ - __u32 save_area_async[8]; /* 0x0220 */ - __u32 save_area_restart[1]; /* 0x0240 */ - __u8 pad_0x0244[0x0248-0x0244]; /* 0x0244 */ - - /* Return psws. */ - psw_t return_psw; /* 0x0248 */ - psw_t return_mcck_psw; /* 0x0250 */ - - /* CPU time accounting values */ - __u64 sync_enter_timer; /* 0x0258 */ - __u64 async_enter_timer; /* 0x0260 */ - __u64 mcck_enter_timer; /* 0x0268 */ - __u64 exit_timer; /* 0x0270 */ - __u64 user_timer; /* 0x0278 */ - __u64 system_timer; /* 0x0280 */ - __u64 steal_timer; /* 0x0288 */ - __u64 last_update_timer; /* 0x0290 */ - __u64 last_update_clock; /* 0x0298 */ - __u64 int_clock; /* 0x02a0 */ - __u64 mcck_clock; /* 0x02a8 */ - __u64 clock_comparator; /* 0x02b0 */ - - /* Current process. */ - __u32 current_task; /* 0x02b8 */ - __u32 thread_info; /* 0x02bc */ - __u32 kernel_stack; /* 0x02c0 */ - - /* Interrupt, panic and restart stack. */ - __u32 async_stack; /* 0x02c4 */ - __u32 panic_stack; /* 0x02c8 */ - __u32 restart_stack; /* 0x02cc */ - - /* Restart function and parameter. */ - __u32 restart_fn; /* 0x02d0 */ - __u32 restart_data; /* 0x02d4 */ - __u32 restart_source; /* 0x02d8 */ - - /* Address space pointer. */ - __u32 kernel_asce; /* 0x02dc */ - __u32 user_asce; /* 0x02e0 */ - __u32 current_pid; /* 0x02e4 */ - - /* SMP info area */ - __u32 cpu_nr; /* 0x02e8 */ - __u32 softirq_pending; /* 0x02ec */ - __u32 percpu_offset; /* 0x02f0 */ - __u32 machine_flags; /* 0x02f4 */ - __u32 ftrace_func; /* 0x02f8 */ - __u8 pad_0x02fc[0x0300-0x02fc]; /* 0x02fc */ - - /* Interrupt response block */ - __u8 irb[64]; /* 0x0300 */ - - __u8 pad_0x0340[0x0e00-0x0340]; /* 0x0340 */ - - /* - * 0xe00 contains the address of the IPL Parameter Information - * block. Dump tools need IPIB for IPL after dump. - * Note: do not change the position of any fields in 0x0e00-0x0f00 - */ - __u32 ipib; /* 0x0e00 */ - __u32 ipib_checksum; /* 0x0e04 */ - __u32 vmcore_info; /* 0x0e08 */ - __u8 pad_0x0e0c[0x0e18-0x0e0c]; /* 0x0e0c */ - __u32 os_info; /* 0x0e18 */ - __u8 pad_0x0e1c[0x0f00-0x0e1c]; /* 0x0e1c */ - - /* Extended facility list */ - __u64 stfle_fac_list[32]; /* 0x0f00 */ -} __packed; - -#else /* CONFIG_32BIT */ - -#define LC_ORDER 1 -#define LC_PAGES 2 - -struct save_area { - u64 fp_regs[16]; - u64 gp_regs[16]; - u8 psw[16]; - u8 pad1[8]; - u32 pref_reg; - u32 fp_ctrl_reg; - u8 pad2[4]; - u32 tod_reg; - u64 timer; - u64 clk_cmp; - u8 pad3[8]; - u32 acc_regs[16]; - u64 ctrl_regs[16]; -} __packed; - -struct _lowcore { - __u8 pad_0x0000[0x0014-0x0000]; /* 0x0000 */ - __u32 ipl_parmblock_ptr; /* 0x0014 */ - __u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */ - __u32 ext_params; /* 0x0080 */ - __u16 ext_cpu_addr; /* 0x0084 */ - __u16 ext_int_code; /* 0x0086 */ - __u16 svc_ilc; /* 0x0088 */ - __u16 svc_code; /* 0x008a */ - __u16 pgm_ilc; /* 0x008c */ - __u16 pgm_code; /* 0x008e */ - __u32 data_exc_code; /* 0x0090 */ - __u16 mon_class_num; /* 0x0094 */ - __u16 per_perc_atmid; /* 0x0096 */ - __u64 per_address; /* 0x0098 */ - __u8 exc_access_id; /* 0x00a0 */ - __u8 per_access_id; /* 0x00a1 */ - __u8 op_access_id; /* 0x00a2 */ - __u8 ar_access_id; /* 0x00a3 */ - __u8 pad_0x00a4[0x00a8-0x00a4]; /* 0x00a4 */ - __u64 trans_exc_code; /* 0x00a8 */ - __u64 monitor_code; /* 0x00b0 */ - __u16 subchannel_id; /* 0x00b8 */ - __u16 subchannel_nr; /* 0x00ba */ - __u32 io_int_parm; /* 0x00bc */ - __u32 io_int_word; /* 0x00c0 */ - __u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */ - __u32 stfl_fac_list; /* 0x00c8 */ - __u8 pad_0x00cc[0x00e8-0x00cc]; /* 0x00cc */ - __u32 mcck_interruption_code[2]; /* 0x00e8 */ - __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */ - __u32 external_damage_code; /* 0x00f4 */ - __u64 failing_storage_address; /* 0x00f8 */ - __u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */ - __u64 breaking_event_addr; /* 0x0110 */ - __u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */ - psw_t restart_old_psw; /* 0x0120 */ - psw_t external_old_psw; /* 0x0130 */ - psw_t svc_old_psw; /* 0x0140 */ - psw_t program_old_psw; /* 0x0150 */ - psw_t mcck_old_psw; /* 0x0160 */ - psw_t io_old_psw; /* 0x0170 */ - __u8 pad_0x0180[0x01a0-0x0180]; /* 0x0180 */ - psw_t restart_psw; /* 0x01a0 */ - psw_t external_new_psw; /* 0x01b0 */ - psw_t svc_new_psw; /* 0x01c0 */ - psw_t program_new_psw; /* 0x01d0 */ - psw_t mcck_new_psw; /* 0x01e0 */ - psw_t io_new_psw; /* 0x01f0 */ - - /* Save areas. */ - __u64 save_area_sync[8]; /* 0x0200 */ - __u64 save_area_async[8]; /* 0x0240 */ - __u64 save_area_restart[1]; /* 0x0280 */ - __u8 pad_0x0288[0x0290-0x0288]; /* 0x0288 */ - - /* Return psws. */ - psw_t return_psw; /* 0x0290 */ - psw_t return_mcck_psw; /* 0x02a0 */ - - /* CPU accounting and timing values. */ - __u64 sync_enter_timer; /* 0x02b0 */ - __u64 async_enter_timer; /* 0x02b8 */ - __u64 mcck_enter_timer; /* 0x02c0 */ - __u64 exit_timer; /* 0x02c8 */ - __u64 user_timer; /* 0x02d0 */ - __u64 system_timer; /* 0x02d8 */ - __u64 steal_timer; /* 0x02e0 */ - __u64 last_update_timer; /* 0x02e8 */ - __u64 last_update_clock; /* 0x02f0 */ - __u64 int_clock; /* 0x02f8 */ - __u64 mcck_clock; /* 0x0300 */ - __u64 clock_comparator; /* 0x0308 */ - - /* Current process. */ - __u64 current_task; /* 0x0310 */ - __u64 thread_info; /* 0x0318 */ - __u64 kernel_stack; /* 0x0320 */ - - /* Interrupt, panic and restart stack. */ - __u64 async_stack; /* 0x0328 */ - __u64 panic_stack; /* 0x0330 */ - __u64 restart_stack; /* 0x0338 */ - - /* Restart function and parameter. */ - __u64 restart_fn; /* 0x0340 */ - __u64 restart_data; /* 0x0348 */ - __u64 restart_source; /* 0x0350 */ - - /* Address space pointer. */ - __u64 kernel_asce; /* 0x0358 */ - __u64 user_asce; /* 0x0360 */ - __u64 current_pid; /* 0x0368 */ - - /* SMP info area */ - __u32 cpu_nr; /* 0x0370 */ - __u32 softirq_pending; /* 0x0374 */ - __u64 percpu_offset; /* 0x0378 */ - __u64 vdso_per_cpu_data; /* 0x0380 */ - __u64 machine_flags; /* 0x0388 */ - __u64 ftrace_func; /* 0x0390 */ - __u64 gmap; /* 0x0398 */ - __u8 pad_0x03a0[0x0400-0x03a0]; /* 0x03a0 */ - - /* Interrupt response block. */ - __u8 irb[64]; /* 0x0400 */ - - /* Per cpu primary space access list */ - __u32 paste[16]; /* 0x0440 */ - - __u8 pad_0x0480[0x0e00-0x0480]; /* 0x0480 */ - - /* - * 0xe00 contains the address of the IPL Parameter Information - * block. Dump tools need IPIB for IPL after dump. - * Note: do not change the position of any fields in 0x0e00-0x0f00 - */ - __u64 ipib; /* 0x0e00 */ - __u32 ipib_checksum; /* 0x0e08 */ - /* - * Because the vmcore_info pointer is not 8 byte aligned it never - * should not be accessed directly. For accessing the pointer, first - * copy it to a local pointer variable. - */ - __u8 vmcore_info[8]; /* 0x0e0c */ - __u8 pad_0x0e14[0x0e18-0x0e14]; /* 0x0e14 */ - __u64 os_info; /* 0x0e18 */ - __u8 pad_0x0e20[0x0f00-0x0e20]; /* 0x0e20 */ - - /* Extended facility list */ - __u64 stfle_fac_list[32]; /* 0x0f00 */ - __u8 pad_0x1000[0x11b8-0x1000]; /* 0x1000 */ - - /* 64 bit extparam used for pfault/diag 250: defined by architecture */ - __u64 ext_params2; /* 0x11B8 */ - __u8 pad_0x11c0[0x1200-0x11C0]; /* 0x11C0 */ - - /* CPU register save area: defined by architecture */ - __u64 floating_pt_save_area[16]; /* 0x1200 */ - __u64 gpregs_save_area[16]; /* 0x1280 */ - psw_t psw_save_area; /* 0x1300 */ - __u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */ - __u32 prefixreg_save_area; /* 0x1318 */ - __u32 fpt_creg_save_area; /* 0x131c */ - __u8 pad_0x1320[0x1324-0x1320]; /* 0x1320 */ - __u32 tod_progreg_save_area; /* 0x1324 */ - __u32 cpu_timer_save_area[2]; /* 0x1328 */ - __u32 clock_comp_save_area[2]; /* 0x1330 */ - __u8 pad_0x1338[0x1340-0x1338]; /* 0x1338 */ - __u32 access_regs_save_area[16]; /* 0x1340 */ - __u64 cregs_save_area[16]; /* 0x1380 */ - - /* align to the top of the prefix area */ - __u8 pad_0x1400[0x2000-0x1400]; /* 0x1400 */ -} __packed; - -#endif /* CONFIG_32BIT */ - -#define S390_lowcore (*((struct _lowcore *) 0)) - -extern struct _lowcore *lowcore_ptr[]; - -static inline void set_prefix(__u32 address) -{ - asm volatile("spx %0" : : "m" (address) : "memory"); -} - -static inline __u32 store_prefix(void) -{ - __u32 address; - - asm volatile("stpx %0" : "=m" (address)); - return address; -} - -#endif /* _ASM_S390_LOWCORE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/mathemu.h b/ANDROID_3.4.5/arch/s390/include/asm/mathemu.h deleted file mode 100644 index e8dd1ba8..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/mathemu.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * arch/s390/kernel/mathemu.h - * IEEE floating point emulation. - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#ifndef __MATHEMU__ -#define __MATHEMU__ - -extern int math_emu_b3(__u8 *, struct pt_regs *); -extern int math_emu_ed(__u8 *, struct pt_regs *); -extern int math_emu_ldr(__u8 *); -extern int math_emu_ler(__u8 *); -extern int math_emu_std(__u8 *, struct pt_regs *); -extern int math_emu_ld(__u8 *, struct pt_regs *); -extern int math_emu_ste(__u8 *, struct pt_regs *); -extern int math_emu_le(__u8 *, struct pt_regs *); -extern int math_emu_lfpc(__u8 *, struct pt_regs *); -extern int math_emu_stfpc(__u8 *, struct pt_regs *); -extern int math_emu_srnm(__u8 *, struct pt_regs *); - -#endif /* __MATHEMU__ */ - - - - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/mman.h b/ANDROID_3.4.5/arch/s390/include/asm/mman.h deleted file mode 100644 index d49760e6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/mman.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * include/asm-s390/mman.h - * - * S390 version - * - * Derived from "include/asm-i386/mman.h" - */ - -#ifndef __S390_MMAN_H__ -#define __S390_MMAN_H__ - -#include <asm-generic/mman.h> - -#if defined(__KERNEL__) -#if !defined(__ASSEMBLY__) && defined(CONFIG_64BIT) -int s390_mmap_check(unsigned long addr, unsigned long len); -#define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len) -#endif -#endif - -#endif /* __S390_MMAN_H__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/mmu.h b/ANDROID_3.4.5/arch/s390/include/asm/mmu.h deleted file mode 100644 index 63401787..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/mmu.h +++ /dev/null @@ -1,40 +0,0 @@ -#ifndef __MMU_H -#define __MMU_H - -#include <linux/errno.h> - -typedef struct { - atomic_t attach_count; - unsigned int flush_mm; - spinlock_t list_lock; - struct list_head pgtable_list; - struct list_head gmap_list; - unsigned long asce_bits; - unsigned long asce_limit; - unsigned long vdso_base; - /* Cloned contexts will be created with extended page tables. */ - unsigned int alloc_pgste:1; - /* The mmu context has extended page tables. */ - unsigned int has_pgste:1; -} mm_context_t; - -#define INIT_MM_CONTEXT(name) \ - .context.list_lock = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \ - .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \ - .context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list), - -static inline int tprot(unsigned long addr) -{ - int rc = -EFAULT; - - asm volatile( - " tprot 0(%1),0\n" - "0: ipm %0\n" - " srl %0,28\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc) : "a" (addr) : "cc"); - return rc; -} - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/mmu_context.h b/ANDROID_3.4.5/arch/s390/include/asm/mmu_context.h deleted file mode 100644 index 5d09e405..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/mmu_context.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * include/asm-s390/mmu_context.h - * - * S390 version - * - * Derived from "include/asm-i386/mmu_context.h" - */ - -#ifndef __S390_MMU_CONTEXT_H -#define __S390_MMU_CONTEXT_H - -#include <asm/pgalloc.h> -#include <asm/uaccess.h> -#include <asm/tlbflush.h> -#include <asm/ctl_reg.h> -#include <asm-generic/mm_hooks.h> - -static inline int init_new_context(struct task_struct *tsk, - struct mm_struct *mm) -{ - atomic_set(&mm->context.attach_count, 0); - mm->context.flush_mm = 0; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | _ASCE_USER_BITS; -#ifdef CONFIG_64BIT - mm->context.asce_bits |= _ASCE_TYPE_REGION3; -#endif - if (current->mm && current->mm->context.alloc_pgste) { - /* - * alloc_pgste indicates, that any NEW context will be created - * with extended page tables. The old context is unchanged. The - * page table allocation and the page table operations will - * look at has_pgste to distinguish normal and extended page - * tables. The only way to create extended page tables is to - * set alloc_pgste and then create a new context (e.g. dup_mm). - * The page table allocation is called after init_new_context - * and if has_pgste is set, it will create extended page - * tables. - */ - mm->context.has_pgste = 1; - mm->context.alloc_pgste = 1; - } else { - mm->context.has_pgste = 0; - mm->context.alloc_pgste = 0; - } - mm->context.asce_limit = STACK_TOP_MAX; - crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm)); - return 0; -} - -#define destroy_context(mm) do { } while (0) - -#ifndef __s390x__ -#define LCTL_OPCODE "lctl" -#else -#define LCTL_OPCODE "lctlg" -#endif - -static inline void update_mm(struct mm_struct *mm, struct task_struct *tsk) -{ - pgd_t *pgd = mm->pgd; - - S390_lowcore.user_asce = mm->context.asce_bits | __pa(pgd); - if (user_mode != HOME_SPACE_MODE) { - /* Load primary space page table origin. */ - asm volatile(LCTL_OPCODE" 1,1,%0\n" - : : "m" (S390_lowcore.user_asce) ); - } else - /* Load home space page table origin. */ - asm volatile(LCTL_OPCODE" 13,13,%0" - : : "m" (S390_lowcore.user_asce) ); - set_fs(current->thread.mm_segment); -} - -static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) -{ - cpumask_set_cpu(smp_processor_id(), mm_cpumask(next)); - update_mm(next, tsk); - atomic_dec(&prev->context.attach_count); - WARN_ON(atomic_read(&prev->context.attach_count) < 0); - atomic_inc(&next->context.attach_count); - /* Check for TLBs not flushed yet */ - if (next->context.flush_mm) - __tlb_flush_mm(next); -} - -#define enter_lazy_tlb(mm,tsk) do { } while (0) -#define deactivate_mm(tsk,mm) do { } while (0) - -static inline void activate_mm(struct mm_struct *prev, - struct mm_struct *next) -{ - switch_mm(prev, next, current); -} - -#endif /* __S390_MMU_CONTEXT_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/module.h b/ANDROID_3.4.5/arch/s390/include/asm/module.h deleted file mode 100644 index 1cc1c5af..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/module.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef _ASM_S390_MODULE_H -#define _ASM_S390_MODULE_H -/* - * This file contains the s390 architecture specific module code. - */ - -struct mod_arch_syminfo -{ - unsigned long got_offset; - unsigned long plt_offset; - int got_initialized; - int plt_initialized; -}; - -struct mod_arch_specific -{ - /* Starting offset of got in the module core memory. */ - unsigned long got_offset; - /* Starting offset of plt in the module core memory. */ - unsigned long plt_offset; - /* Size of the got. */ - unsigned long got_size; - /* Size of the plt. */ - unsigned long plt_size; - /* Number of symbols in syminfo. */ - int nsyms; - /* Additional symbol information (got and plt offsets). */ - struct mod_arch_syminfo *syminfo; -}; - -#ifdef __s390x__ -#define ElfW(x) Elf64_ ## x -#define ELFW(x) ELF64_ ## x -#else -#define ElfW(x) Elf32_ ## x -#define ELFW(x) ELF32_ ## x -#endif - -#define Elf_Addr ElfW(Addr) -#define Elf_Rela ElfW(Rela) -#define Elf_Shdr ElfW(Shdr) -#define Elf_Sym ElfW(Sym) -#define Elf_Ehdr ElfW(Ehdr) -#define ELF_R_SYM ELFW(R_SYM) -#define ELF_R_TYPE ELFW(R_TYPE) -#endif /* _ASM_S390_MODULE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/monwriter.h b/ANDROID_3.4.5/arch/s390/include/asm/monwriter.h deleted file mode 100644 index f0cbf96c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/monwriter.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * include/asm-s390/monwriter.h - * - * Copyright (C) IBM Corp. 2006 - * Character device driver for writing z/VM APPLDATA monitor records - * Version 1.0 - * Author(s): Melissa Howland <melissah@us.ibm.com> - * - */ - -#ifndef _ASM_390_MONWRITER_H -#define _ASM_390_MONWRITER_H - -/* mon_function values */ -#define MONWRITE_START_INTERVAL 0x00 /* start interval recording */ -#define MONWRITE_STOP_INTERVAL 0x01 /* stop interval or config recording */ -#define MONWRITE_GEN_EVENT 0x02 /* generate event record */ -#define MONWRITE_START_CONFIG 0x03 /* start configuration recording */ - -/* the header the app uses in its write() data */ -struct monwrite_hdr { - unsigned char mon_function; - unsigned short applid; - unsigned char record_num; - unsigned short version; - unsigned short release; - unsigned short mod_level; - unsigned short datalen; - unsigned char hdrlen; - -} __attribute__((packed)); - -#endif /* _ASM_390_MONWRITER_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/msgbuf.h b/ANDROID_3.4.5/arch/s390/include/asm/msgbuf.h deleted file mode 100644 index 1bbdee92..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/msgbuf.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _S390_MSGBUF_H -#define _S390_MSGBUF_H - -/* - * The msqid64_ds structure for S/390 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct msqid64_ds { - struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ -#ifndef __s390x__ - unsigned long __unused1; -#endif /* ! __s390x__ */ - __kernel_time_t msg_rtime; /* last msgrcv time */ -#ifndef __s390x__ - unsigned long __unused2; -#endif /* ! __s390x__ */ - __kernel_time_t msg_ctime; /* last change time */ -#ifndef __s390x__ - unsigned long __unused3; -#endif /* ! __s390x__ */ - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused4; - unsigned long __unused5; -}; - -#endif /* _S390_MSGBUF_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/mutex.h b/ANDROID_3.4.5/arch/s390/include/asm/mutex.h deleted file mode 100644 index 688271f5..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/mutex.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * Pull in the generic implementation for the mutex fastpath. - * - * TODO: implement optimized primitives instead, or leave the generic - * implementation in place, or pick the atomic_xchg() based generic - * implementation. (see asm-generic/mutex-xchg.h for details) - */ - -#include <asm-generic/mutex-dec.h> - -#define arch_mutex_cpu_relax() barrier() diff --git a/ANDROID_3.4.5/arch/s390/include/asm/nmi.h b/ANDROID_3.4.5/arch/s390/include/asm/nmi.h deleted file mode 100644 index f4b60441..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/nmi.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Machine check handler definitions - * - * Copyright IBM Corp. 2000,2009 - * Author(s): Ingo Adlung <adlung@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Cornelia Huck <cornelia.huck@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - */ - -#ifndef _ASM_S390_NMI_H -#define _ASM_S390_NMI_H - -#include <linux/types.h> - -struct mci { - __u32 sd : 1; /* 00 system damage */ - __u32 pd : 1; /* 01 instruction-processing damage */ - __u32 sr : 1; /* 02 system recovery */ - __u32 : 1; /* 03 */ - __u32 cd : 1; /* 04 timing-facility damage */ - __u32 ed : 1; /* 05 external damage */ - __u32 : 1; /* 06 */ - __u32 dg : 1; /* 07 degradation */ - __u32 w : 1; /* 08 warning pending */ - __u32 cp : 1; /* 09 channel-report pending */ - __u32 sp : 1; /* 10 service-processor damage */ - __u32 ck : 1; /* 11 channel-subsystem damage */ - __u32 : 2; /* 12-13 */ - __u32 b : 1; /* 14 backed up */ - __u32 : 1; /* 15 */ - __u32 se : 1; /* 16 storage error uncorrected */ - __u32 sc : 1; /* 17 storage error corrected */ - __u32 ke : 1; /* 18 storage-key error uncorrected */ - __u32 ds : 1; /* 19 storage degradation */ - __u32 wp : 1; /* 20 psw mwp validity */ - __u32 ms : 1; /* 21 psw mask and key validity */ - __u32 pm : 1; /* 22 psw program mask and cc validity */ - __u32 ia : 1; /* 23 psw instruction address validity */ - __u32 fa : 1; /* 24 failing storage address validity */ - __u32 : 1; /* 25 */ - __u32 ec : 1; /* 26 external damage code validity */ - __u32 fp : 1; /* 27 floating point register validity */ - __u32 gr : 1; /* 28 general register validity */ - __u32 cr : 1; /* 29 control register validity */ - __u32 : 1; /* 30 */ - __u32 st : 1; /* 31 storage logical validity */ - __u32 ie : 1; /* 32 indirect storage error */ - __u32 ar : 1; /* 33 access register validity */ - __u32 da : 1; /* 34 delayed access exception */ - __u32 : 7; /* 35-41 */ - __u32 pr : 1; /* 42 tod programmable register validity */ - __u32 fc : 1; /* 43 fp control register validity */ - __u32 ap : 1; /* 44 ancillary report */ - __u32 : 1; /* 45 */ - __u32 ct : 1; /* 46 cpu timer validity */ - __u32 cc : 1; /* 47 clock comparator validity */ - __u32 : 16; /* 47-63 */ -}; - -struct pt_regs; - -extern void s390_handle_mcck(void); -extern void s390_do_machine_check(struct pt_regs *regs); - -#endif /* _ASM_S390_NMI_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/os_info.h b/ANDROID_3.4.5/arch/s390/include/asm/os_info.h deleted file mode 100644 index d07518af..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/os_info.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * OS info memory interface - * - * Copyright IBM Corp. 2012 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ -#ifndef _ASM_S390_OS_INFO_H -#define _ASM_S390_OS_INFO_H - -#define OS_INFO_VERSION_MAJOR 1 -#define OS_INFO_VERSION_MINOR 1 -#define OS_INFO_MAGIC 0x4f53494e464f535aULL /* OSINFOSZ */ - -#define OS_INFO_VMCOREINFO 0 -#define OS_INFO_REIPL_BLOCK 1 -#define OS_INFO_INIT_FN 2 - -struct os_info_entry { - u64 addr; - u64 size; - u32 csum; -} __packed; - -struct os_info { - u64 magic; - u32 csum; - u16 version_major; - u16 version_minor; - u64 crashkernel_addr; - u64 crashkernel_size; - struct os_info_entry entry[3]; - u8 reserved[4004]; -} __packed; - -void os_info_init(void); -void os_info_entry_add(int nr, void *ptr, u64 len); -void os_info_crashkernel_add(unsigned long base, unsigned long size); -u32 os_info_csum(struct os_info *os_info); - -#ifdef CONFIG_CRASH_DUMP -void *os_info_old_entry(int nr, unsigned long *size); -int copy_from_oldmem(void *dest, void *src, size_t count); -#else -static inline void *os_info_old_entry(int nr, unsigned long *size) -{ - return NULL; -} -#endif - -#endif /* _ASM_S390_OS_INFO_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/page.h b/ANDROID_3.4.5/arch/s390/include/asm/page.h deleted file mode 100644 index f7ec548c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/page.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - * include/asm-s390/page.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - */ - -#ifndef _S390_PAGE_H -#define _S390_PAGE_H - -#include <linux/const.h> -#include <asm/types.h> - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) -#define PAGE_DEFAULT_ACC 0 -#define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4) - -#define HPAGE_SHIFT 20 -#define HPAGE_SIZE (1UL << HPAGE_SHIFT) -#define HPAGE_MASK (~(HPAGE_SIZE - 1)) -#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) - -#define ARCH_HAS_SETCLEAR_HUGE_PTE -#define ARCH_HAS_HUGE_PTE_TYPE -#define ARCH_HAS_PREPARE_HUGEPAGE -#define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH - -#include <asm/setup.h> -#ifndef __ASSEMBLY__ - -static inline void clear_page(void *page) -{ - if (MACHINE_HAS_PFMF) { - asm volatile( - " .insn rre,0xb9af0000,%0,%1" - : : "d" (0x10000), "a" (page) : "memory", "cc"); - } else { - register unsigned long reg1 asm ("1") = 0; - register void *reg2 asm ("2") = page; - register unsigned long reg3 asm ("3") = 4096; - asm volatile( - " mvcl 2,0" - : "+d" (reg2), "+d" (reg3) : "d" (reg1) - : "memory", "cc"); - } -} - -static inline void copy_page(void *to, void *from) -{ - if (MACHINE_HAS_MVPG) { - register unsigned long reg0 asm ("0") = 0; - asm volatile( - " mvpg %0,%1" - : : "a" (to), "a" (from), "d" (reg0) - : "memory", "cc"); - } else - asm volatile( - " mvc 0(256,%0),0(%1)\n" - " mvc 256(256,%0),256(%1)\n" - " mvc 512(256,%0),512(%1)\n" - " mvc 768(256,%0),768(%1)\n" - " mvc 1024(256,%0),1024(%1)\n" - " mvc 1280(256,%0),1280(%1)\n" - " mvc 1536(256,%0),1536(%1)\n" - " mvc 1792(256,%0),1792(%1)\n" - " mvc 2048(256,%0),2048(%1)\n" - " mvc 2304(256,%0),2304(%1)\n" - " mvc 2560(256,%0),2560(%1)\n" - " mvc 2816(256,%0),2816(%1)\n" - " mvc 3072(256,%0),3072(%1)\n" - " mvc 3328(256,%0),3328(%1)\n" - " mvc 3584(256,%0),3584(%1)\n" - " mvc 3840(256,%0),3840(%1)\n" - : : "a" (to), "a" (from) : "memory"); -} - -#define clear_user_page(page, vaddr, pg) clear_page(page) -#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) - -#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ - alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) -#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE - -/* - * These are used to make use of C type-checking.. - */ - -typedef struct { unsigned long pgprot; } pgprot_t; -typedef struct { unsigned long pgste; } pgste_t; -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pmd; } pmd_t; -typedef struct { unsigned long pud; } pud_t; -typedef struct { unsigned long pgd; } pgd_t; -typedef pte_t *pgtable_t; - -#define pgprot_val(x) ((x).pgprot) -#define pgste_val(x) ((x).pgste) -#define pte_val(x) ((x).pte) -#define pmd_val(x) ((x).pmd) -#define pud_val(x) ((x).pud) -#define pgd_val(x) ((x).pgd) - -#define __pgste(x) ((pgste_t) { (x) } ) -#define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) -#define __pud(x) ((pud_t) { (x) } ) -#define __pgd(x) ((pgd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -static inline void page_set_storage_key(unsigned long addr, - unsigned char skey, int mapped) -{ - if (!mapped) - asm volatile(".insn rrf,0xb22b0000,%0,%1,8,0" - : : "d" (skey), "a" (addr)); - else - asm volatile("sske %0,%1" : : "d" (skey), "a" (addr)); -} - -static inline unsigned char page_get_storage_key(unsigned long addr) -{ - unsigned char skey; - - asm volatile("iske %0,%1" : "=d" (skey) : "a" (addr)); - return skey; -} - -static inline int page_reset_referenced(unsigned long addr) -{ - unsigned int ipm; - - asm volatile( - " rrbe 0,%1\n" - " ipm %0\n" - : "=d" (ipm) : "a" (addr) : "cc"); - return !!(ipm & 0x20000000); -} - -/* Bits int the storage key */ -#define _PAGE_CHANGED 0x02 /* HW changed bit */ -#define _PAGE_REFERENCED 0x04 /* HW referenced bit */ -#define _PAGE_FP_BIT 0x08 /* HW fetch protection bit */ -#define _PAGE_ACC_BITS 0xf0 /* HW access control bits */ - -/* - * Test and clear dirty bit in storage key. - * We can't clear the changed bit atomically. This is a potential - * race against modification of the referenced bit. This function - * should therefore only be called if it is not mapped in any - * address space. - */ -#define __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY -static inline int page_test_and_clear_dirty(unsigned long pfn, int mapped) -{ - unsigned char skey; - - skey = page_get_storage_key(pfn << PAGE_SHIFT); - if (!(skey & _PAGE_CHANGED)) - return 0; - page_set_storage_key(pfn << PAGE_SHIFT, skey & ~_PAGE_CHANGED, mapped); - return 1; -} - -/* - * Test and clear referenced bit in storage key. - */ -#define __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG -static inline int page_test_and_clear_young(unsigned long pfn) -{ - return page_reset_referenced(pfn << PAGE_SHIFT); -} - -struct page; -void arch_free_page(struct page *page, int order); -void arch_alloc_page(struct page *page, int order); -void arch_set_page_states(int make_stable); - -static inline int devmem_is_allowed(unsigned long pfn) -{ - return 0; -} - -#define HAVE_ARCH_FREE_PAGE -#define HAVE_ARCH_ALLOC_PAGE - -#endif /* !__ASSEMBLY__ */ - -#define __PAGE_OFFSET 0x0UL -#define PAGE_OFFSET 0x0UL -#define __pa(x) (unsigned long)(x) -#define __va(x) (void *)(unsigned long)(x) -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) - -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#include <asm-generic/memory_model.h> -#include <asm-generic/getorder.h> - -#define __HAVE_ARCH_GATE_AREA 1 - -#endif /* _S390_PAGE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/param.h b/ANDROID_3.4.5/arch/s390/include/asm/param.h deleted file mode 100644 index c616821b..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/param.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASMS390_PARAM_H -#define _ASMS390_PARAM_H - -#include <asm-generic/param.h> - -#endif /* _ASMS390_PARAM_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/pci.h b/ANDROID_3.4.5/arch/s390/include/asm/pci.h deleted file mode 100644 index 42a145c9..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/pci.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __ASM_S390_PCI_H -#define __ASM_S390_PCI_H - -/* S/390 systems don't have a PCI bus. This file is just here because some stupid .c code - * includes it even if CONFIG_PCI is not set. - */ -#define PCI_DMA_BUS_IS_PHYS (0) - -#endif /* __ASM_S390_PCI_H */ - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/percpu.h b/ANDROID_3.4.5/arch/s390/include/asm/percpu.h deleted file mode 100644 index 0fbd1899..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/percpu.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef __ARCH_S390_PERCPU__ -#define __ARCH_S390_PERCPU__ - -#include <linux/preempt.h> -#include <asm/cmpxchg.h> - -/* - * s390 uses its own implementation for per cpu data, the offset of - * the cpu local data area is cached in the cpu's lowcore memory. - */ -#define __my_cpu_offset S390_lowcore.percpu_offset - -/* - * For 64 bit module code, the module may be more than 4G above the - * per cpu area, use weak definitions to force the compiler to - * generate external references. - */ -#if defined(CONFIG_SMP) && defined(__s390x__) && defined(MODULE) -#define ARCH_NEEDS_WEAK_PER_CPU -#endif - -#define arch_this_cpu_to_op(pcp, val, op) \ -do { \ - typedef typeof(pcp) pcp_op_T__; \ - pcp_op_T__ old__, new__, prev__; \ - pcp_op_T__ *ptr__; \ - preempt_disable(); \ - ptr__ = __this_cpu_ptr(&(pcp)); \ - prev__ = *ptr__; \ - do { \ - old__ = prev__; \ - new__ = old__ op (val); \ - switch (sizeof(*ptr__)) { \ - case 8: \ - prev__ = cmpxchg64(ptr__, old__, new__); \ - break; \ - default: \ - prev__ = cmpxchg(ptr__, old__, new__); \ - } \ - } while (prev__ != old__); \ - preempt_enable(); \ -} while (0) - -#define this_cpu_add_1(pcp, val) arch_this_cpu_to_op(pcp, val, +) -#define this_cpu_add_2(pcp, val) arch_this_cpu_to_op(pcp, val, +) -#define this_cpu_add_4(pcp, val) arch_this_cpu_to_op(pcp, val, +) -#define this_cpu_add_8(pcp, val) arch_this_cpu_to_op(pcp, val, +) - -#define this_cpu_and_1(pcp, val) arch_this_cpu_to_op(pcp, val, &) -#define this_cpu_and_2(pcp, val) arch_this_cpu_to_op(pcp, val, &) -#define this_cpu_and_4(pcp, val) arch_this_cpu_to_op(pcp, val, &) -#define this_cpu_and_8(pcp, val) arch_this_cpu_to_op(pcp, val, &) - -#define this_cpu_or_1(pcp, val) arch_this_cpu_to_op(pcp, val, |) -#define this_cpu_or_2(pcp, val) arch_this_cpu_to_op(pcp, val, |) -#define this_cpu_or_4(pcp, val) arch_this_cpu_to_op(pcp, val, |) -#define this_cpu_or_8(pcp, val) arch_this_cpu_to_op(pcp, val, |) - -#define this_cpu_xor_1(pcp, val) arch_this_cpu_to_op(pcp, val, ^) -#define this_cpu_xor_2(pcp, val) arch_this_cpu_to_op(pcp, val, ^) -#define this_cpu_xor_4(pcp, val) arch_this_cpu_to_op(pcp, val, ^) -#define this_cpu_xor_8(pcp, val) arch_this_cpu_to_op(pcp, val, ^) - -#define arch_this_cpu_cmpxchg(pcp, oval, nval) \ -({ \ - typedef typeof(pcp) pcp_op_T__; \ - pcp_op_T__ ret__; \ - pcp_op_T__ *ptr__; \ - preempt_disable(); \ - ptr__ = __this_cpu_ptr(&(pcp)); \ - switch (sizeof(*ptr__)) { \ - case 8: \ - ret__ = cmpxchg64(ptr__, oval, nval); \ - break; \ - default: \ - ret__ = cmpxchg(ptr__, oval, nval); \ - } \ - preempt_enable(); \ - ret__; \ -}) - -#define this_cpu_cmpxchg_1(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) -#define this_cpu_cmpxchg_2(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) -#define this_cpu_cmpxchg_4(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) -#define this_cpu_cmpxchg_8(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) - -#include <asm-generic/percpu.h> - -#endif /* __ARCH_S390_PERCPU__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/perf_event.h b/ANDROID_3.4.5/arch/s390/include/asm/perf_event.h deleted file mode 100644 index 7941968e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/perf_event.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Performance event support - s390 specific definitions. - * - * Copyright IBM Corp. 2009, 2012 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - * Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - */ - -#include <asm/cpu_mf.h> - -/* CPU-measurement counter facility */ -#define PERF_CPUM_CF_MAX_CTR 160 - -/* Per-CPU flags for PMU states */ -#define PMU_F_RESERVED 0x1000 -#define PMU_F_ENABLED 0x2000 diff --git a/ANDROID_3.4.5/arch/s390/include/asm/pgalloc.h b/ANDROID_3.4.5/arch/s390/include/asm/pgalloc.h deleted file mode 100644 index 78e30419..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/pgalloc.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * include/asm-s390/pgalloc.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/pgalloc.h" - * Copyright (C) 1994 Linus Torvalds - */ - -#ifndef _S390_PGALLOC_H -#define _S390_PGALLOC_H - -#include <linux/threads.h> -#include <linux/gfp.h> -#include <linux/mm.h> - -unsigned long *crst_table_alloc(struct mm_struct *); -void crst_table_free(struct mm_struct *, unsigned long *); - -unsigned long *page_table_alloc(struct mm_struct *, unsigned long); -void page_table_free(struct mm_struct *, unsigned long *); -void page_table_free_rcu(struct mmu_gather *, unsigned long *); - -static inline void clear_table(unsigned long *s, unsigned long val, size_t n) -{ - typedef struct { char _[n]; } addrtype; - - *s = val; - n = (n / 256) - 1; - asm volatile( -#ifdef CONFIG_64BIT - " mvc 8(248,%0),0(%0)\n" -#else - " mvc 4(252,%0),0(%0)\n" -#endif - "0: mvc 256(256,%0),0(%0)\n" - " la %0,256(%0)\n" - " brct %1,0b\n" - : "+a" (s), "+d" (n), "=m" (*(addrtype *) s) - : "m" (*(addrtype *) s)); -} - -static inline void crst_table_init(unsigned long *crst, unsigned long entry) -{ - clear_table(crst, entry, sizeof(unsigned long)*2048); -} - -#ifndef __s390x__ - -static inline unsigned long pgd_entry_type(struct mm_struct *mm) -{ - return _SEGMENT_ENTRY_EMPTY; -} - -#define pud_alloc_one(mm,address) ({ BUG(); ((pud_t *)2); }) -#define pud_free(mm, x) do { } while (0) - -#define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) -#define pmd_free(mm, x) do { } while (0) - -#define pgd_populate(mm, pgd, pud) BUG() -#define pud_populate(mm, pud, pmd) BUG() - -#else /* __s390x__ */ - -static inline unsigned long pgd_entry_type(struct mm_struct *mm) -{ - if (mm->context.asce_limit <= (1UL << 31)) - return _SEGMENT_ENTRY_EMPTY; - if (mm->context.asce_limit <= (1UL << 42)) - return _REGION3_ENTRY_EMPTY; - return _REGION2_ENTRY_EMPTY; -} - -int crst_table_upgrade(struct mm_struct *, unsigned long limit); -void crst_table_downgrade(struct mm_struct *, unsigned long limit); - -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) -{ - unsigned long *table = crst_table_alloc(mm); - if (table) - crst_table_init(table, _REGION3_ENTRY_EMPTY); - return (pud_t *) table; -} -#define pud_free(mm, pud) crst_table_free(mm, (unsigned long *) pud) - -static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr) -{ - unsigned long *table = crst_table_alloc(mm); - if (table) - crst_table_init(table, _SEGMENT_ENTRY_EMPTY); - return (pmd_t *) table; -} -#define pmd_free(mm, pmd) crst_table_free(mm, (unsigned long *) pmd) - -static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -{ - pgd_val(*pgd) = _REGION2_ENTRY | __pa(pud); -} - -static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -{ - pud_val(*pud) = _REGION3_ENTRY | __pa(pmd); -} - -#endif /* __s390x__ */ - -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - spin_lock_init(&mm->context.list_lock); - INIT_LIST_HEAD(&mm->context.pgtable_list); - INIT_LIST_HEAD(&mm->context.gmap_list); - return (pgd_t *) crst_table_alloc(mm); -} -#define pgd_free(mm, pgd) crst_table_free(mm, (unsigned long *) pgd) - -static inline void pmd_populate(struct mm_struct *mm, - pmd_t *pmd, pgtable_t pte) -{ - pmd_val(*pmd) = _SEGMENT_ENTRY + __pa(pte); -} - -#define pmd_populate_kernel(mm, pmd, pte) pmd_populate(mm, pmd, pte) - -#define pmd_pgtable(pmd) \ - (pgtable_t)(pmd_val(pmd) & -sizeof(pte_t)*PTRS_PER_PTE) - -/* - * page table entry allocation/free routines. - */ -#define pte_alloc_one_kernel(mm, vmaddr) ((pte_t *) page_table_alloc(mm, vmaddr)) -#define pte_alloc_one(mm, vmaddr) ((pte_t *) page_table_alloc(mm, vmaddr)) - -#define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte) -#define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte) - -extern void rcu_table_freelist_finish(void); - -#endif /* _S390_PGALLOC_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/pgtable.h b/ANDROID_3.4.5/arch/s390/include/asm/pgtable.h deleted file mode 100644 index 011358c1..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/pgtable.h +++ /dev/null @@ -1,1248 +0,0 @@ -/* - * include/asm-s390/pgtable.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - * Ulrich Weigand (weigand@de.ibm.com) - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/pgtable.h" - */ - -#ifndef _ASM_S390_PGTABLE_H -#define _ASM_S390_PGTABLE_H - -/* - * The Linux memory management assumes a three-level page table setup. For - * s390 31 bit we "fold" the mid level into the top-level page table, so - * that we physically have the same two-level page table as the s390 mmu - * expects in 31 bit mode. For s390 64 bit we use three of the five levels - * the hardware provides (region first and region second tables are not - * used). - * - * The "pgd_xxx()" functions are trivial for a folded two-level - * setup: the pgd is never bad, and a pmd always exists (as it's folded - * into the pgd entry) - * - * This file contains the functions and defines necessary to modify and use - * the S390 page table tree. - */ -#ifndef __ASSEMBLY__ -#include <linux/sched.h> -#include <linux/mm_types.h> -#include <asm/bug.h> -#include <asm/page.h> - -extern pgd_t swapper_pg_dir[] __attribute__ ((aligned (4096))); -extern void paging_init(void); -extern void vmem_map_init(void); -extern void fault_init(void); - -/* - * The S390 doesn't have any external MMU info: the kernel page - * tables contain all the necessary information. - */ -#define update_mmu_cache(vma, address, ptep) do { } while (0) - -/* - * ZERO_PAGE is a global shared page that is always zero; used - * for zero-mapped memory areas etc.. - */ - -extern unsigned long empty_zero_page; -extern unsigned long zero_page_mask; - -#define ZERO_PAGE(vaddr) \ - (virt_to_page((void *)(empty_zero_page + \ - (((unsigned long)(vaddr)) &zero_page_mask)))) - -#define is_zero_pfn is_zero_pfn -static inline int is_zero_pfn(unsigned long pfn) -{ - extern unsigned long zero_pfn; - unsigned long offset_from_zero_pfn = pfn - zero_pfn; - return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT); -} - -#define my_zero_pfn(addr) page_to_pfn(ZERO_PAGE(addr)) - -#endif /* !__ASSEMBLY__ */ - -/* - * PMD_SHIFT determines the size of the area a second-level page - * table can map - * PGDIR_SHIFT determines what a third-level page table entry can map - */ -#ifndef __s390x__ -# define PMD_SHIFT 20 -# define PUD_SHIFT 20 -# define PGDIR_SHIFT 20 -#else /* __s390x__ */ -# define PMD_SHIFT 20 -# define PUD_SHIFT 31 -# define PGDIR_SHIFT 42 -#endif /* __s390x__ */ - -#define PMD_SIZE (1UL << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE-1)) -#define PUD_SIZE (1UL << PUD_SHIFT) -#define PUD_MASK (~(PUD_SIZE-1)) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -/* - * entries per page directory level: the S390 is two-level, so - * we don't really have any PMD directory physically. - * for S390 segment-table entries are combined to one PGD - * that leads to 1024 pte per pgd - */ -#define PTRS_PER_PTE 256 -#ifndef __s390x__ -#define PTRS_PER_PMD 1 -#define PTRS_PER_PUD 1 -#else /* __s390x__ */ -#define PTRS_PER_PMD 2048 -#define PTRS_PER_PUD 2048 -#endif /* __s390x__ */ -#define PTRS_PER_PGD 2048 - -#define FIRST_USER_ADDRESS 0 - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %p.\n", __FILE__, __LINE__, (void *) pte_val(e)) -#define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %p.\n", __FILE__, __LINE__, (void *) pmd_val(e)) -#define pud_ERROR(e) \ - printk("%s:%d: bad pud %p.\n", __FILE__, __LINE__, (void *) pud_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %p.\n", __FILE__, __LINE__, (void *) pgd_val(e)) - -#ifndef __ASSEMBLY__ -/* - * The vmalloc area will always be on the topmost area of the kernel - * mapping. We reserve 96MB (31bit) / 128GB (64bit) for vmalloc, - * which should be enough for any sane case. - * By putting vmalloc at the top, we maximise the gap between physical - * memory and vmalloc to catch misplaced memory accesses. As a side - * effect, this also makes sure that 64 bit module code cannot be used - * as system call address. - */ -extern unsigned long VMALLOC_START; -extern unsigned long VMALLOC_END; -extern struct page *vmemmap; - -#define VMEM_MAX_PHYS ((unsigned long) vmemmap) - -/* - * A 31 bit pagetable entry of S390 has following format: - * | PFRA | | OS | - * 0 0IP0 - * 00000000001111111111222222222233 - * 01234567890123456789012345678901 - * - * I Page-Invalid Bit: Page is not available for address-translation - * P Page-Protection Bit: Store access not possible for page - * - * A 31 bit segmenttable entry of S390 has following format: - * | P-table origin | |PTL - * 0 IC - * 00000000001111111111222222222233 - * 01234567890123456789012345678901 - * - * I Segment-Invalid Bit: Segment is not available for address-translation - * C Common-Segment Bit: Segment is not private (PoP 3-30) - * PTL Page-Table-Length: Page-table length (PTL+1*16 entries -> up to 256) - * - * The 31 bit segmenttable origin of S390 has following format: - * - * |S-table origin | | STL | - * X **GPS - * 00000000001111111111222222222233 - * 01234567890123456789012345678901 - * - * X Space-Switch event: - * G Segment-Invalid Bit: * - * P Private-Space Bit: Segment is not private (PoP 3-30) - * S Storage-Alteration: - * STL Segment-Table-Length: Segment-table length (STL+1*16 entries -> up to 2048) - * - * A 64 bit pagetable entry of S390 has following format: - * | PFRA |0IPC| OS | - * 0000000000111111111122222222223333333333444444444455555555556666 - * 0123456789012345678901234567890123456789012345678901234567890123 - * - * I Page-Invalid Bit: Page is not available for address-translation - * P Page-Protection Bit: Store access not possible for page - * C Change-bit override: HW is not required to set change bit - * - * A 64 bit segmenttable entry of S390 has following format: - * | P-table origin | TT - * 0000000000111111111122222222223333333333444444444455555555556666 - * 0123456789012345678901234567890123456789012345678901234567890123 - * - * I Segment-Invalid Bit: Segment is not available for address-translation - * C Common-Segment Bit: Segment is not private (PoP 3-30) - * P Page-Protection Bit: Store access not possible for page - * TT Type 00 - * - * A 64 bit region table entry of S390 has following format: - * | S-table origin | TF TTTL - * 0000000000111111111122222222223333333333444444444455555555556666 - * 0123456789012345678901234567890123456789012345678901234567890123 - * - * I Segment-Invalid Bit: Segment is not available for address-translation - * TT Type 01 - * TF - * TL Table length - * - * The 64 bit regiontable origin of S390 has following format: - * | region table origon | DTTL - * 0000000000111111111122222222223333333333444444444455555555556666 - * 0123456789012345678901234567890123456789012345678901234567890123 - * - * X Space-Switch event: - * G Segment-Invalid Bit: - * P Private-Space Bit: - * S Storage-Alteration: - * R Real space - * TL Table-Length: - * - * A storage key has the following format: - * | ACC |F|R|C|0| - * 0 3 4 5 6 7 - * ACC: access key - * F : fetch protection bit - * R : referenced bit - * C : changed bit - */ - -/* Hardware bits in the page table entry */ -#define _PAGE_CO 0x100 /* HW Change-bit override */ -#define _PAGE_RO 0x200 /* HW read-only bit */ -#define _PAGE_INVALID 0x400 /* HW invalid bit */ - -/* Software bits in the page table entry */ -#define _PAGE_SWT 0x001 /* SW pte type bit t */ -#define _PAGE_SWX 0x002 /* SW pte type bit x */ -#define _PAGE_SWC 0x004 /* SW pte changed bit (for KVM) */ -#define _PAGE_SWR 0x008 /* SW pte referenced bit (for KVM) */ -#define _PAGE_SPECIAL 0x010 /* SW associated with special page */ -#define __HAVE_ARCH_PTE_SPECIAL - -/* Set of bits not changed in pte_modify */ -#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_SPECIAL | _PAGE_SWC | _PAGE_SWR) - -/* Six different types of pages. */ -#define _PAGE_TYPE_EMPTY 0x400 -#define _PAGE_TYPE_NONE 0x401 -#define _PAGE_TYPE_SWAP 0x403 -#define _PAGE_TYPE_FILE 0x601 /* bit 0x002 is used for offset !! */ -#define _PAGE_TYPE_RO 0x200 -#define _PAGE_TYPE_RW 0x000 - -/* - * Only four types for huge pages, using the invalid bit and protection bit - * of a segment table entry. - */ -#define _HPAGE_TYPE_EMPTY 0x020 /* _SEGMENT_ENTRY_INV */ -#define _HPAGE_TYPE_NONE 0x220 -#define _HPAGE_TYPE_RO 0x200 /* _SEGMENT_ENTRY_RO */ -#define _HPAGE_TYPE_RW 0x000 - -/* - * PTE type bits are rather complicated. handle_pte_fault uses pte_present, - * pte_none and pte_file to find out the pte type WITHOUT holding the page - * table lock. ptep_clear_flush on the other hand uses ptep_clear_flush to - * invalidate a given pte. ipte sets the hw invalid bit and clears all tlbs - * for the page. The page table entry is set to _PAGE_TYPE_EMPTY afterwards. - * This change is done while holding the lock, but the intermediate step - * of a previously valid pte with the hw invalid bit set can be observed by - * handle_pte_fault. That makes it necessary that all valid pte types with - * the hw invalid bit set must be distinguishable from the four pte types - * empty, none, swap and file. - * - * irxt ipte irxt - * _PAGE_TYPE_EMPTY 1000 -> 1000 - * _PAGE_TYPE_NONE 1001 -> 1001 - * _PAGE_TYPE_SWAP 1011 -> 1011 - * _PAGE_TYPE_FILE 11?1 -> 11?1 - * _PAGE_TYPE_RO 0100 -> 1100 - * _PAGE_TYPE_RW 0000 -> 1000 - * - * pte_none is true for bits combinations 1000, 1010, 1100, 1110 - * pte_present is true for bits combinations 0000, 0010, 0100, 0110, 1001 - * pte_file is true for bits combinations 1101, 1111 - * swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid. - */ - -#ifndef __s390x__ - -/* Bits in the segment table address-space-control-element */ -#define _ASCE_SPACE_SWITCH 0x80000000UL /* space switch event */ -#define _ASCE_ORIGIN_MASK 0x7ffff000UL /* segment table origin */ -#define _ASCE_PRIVATE_SPACE 0x100 /* private space control */ -#define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */ -#define _ASCE_TABLE_LENGTH 0x7f /* 128 x 64 entries = 8k */ - -/* Bits in the segment table entry */ -#define _SEGMENT_ENTRY_ORIGIN 0x7fffffc0UL /* page table origin */ -#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */ -#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */ -#define _SEGMENT_ENTRY_COMMON 0x10 /* common segment bit */ -#define _SEGMENT_ENTRY_PTL 0x0f /* page table length */ - -#define _SEGMENT_ENTRY (_SEGMENT_ENTRY_PTL) -#define _SEGMENT_ENTRY_EMPTY (_SEGMENT_ENTRY_INV) - -/* Page status table bits for virtualization */ -#define RCP_ACC_BITS 0xf0000000UL -#define RCP_FP_BIT 0x08000000UL -#define RCP_PCL_BIT 0x00800000UL -#define RCP_HR_BIT 0x00400000UL -#define RCP_HC_BIT 0x00200000UL -#define RCP_GR_BIT 0x00040000UL -#define RCP_GC_BIT 0x00020000UL - -/* User dirty / referenced bit for KVM's migration feature */ -#define KVM_UR_BIT 0x00008000UL -#define KVM_UC_BIT 0x00004000UL - -#else /* __s390x__ */ - -/* Bits in the segment/region table address-space-control-element */ -#define _ASCE_ORIGIN ~0xfffUL/* segment table origin */ -#define _ASCE_PRIVATE_SPACE 0x100 /* private space control */ -#define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */ -#define _ASCE_SPACE_SWITCH 0x40 /* space switch event */ -#define _ASCE_REAL_SPACE 0x20 /* real space control */ -#define _ASCE_TYPE_MASK 0x0c /* asce table type mask */ -#define _ASCE_TYPE_REGION1 0x0c /* region first table type */ -#define _ASCE_TYPE_REGION2 0x08 /* region second table type */ -#define _ASCE_TYPE_REGION3 0x04 /* region third table type */ -#define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */ -#define _ASCE_TABLE_LENGTH 0x03 /* region table length */ - -/* Bits in the region table entry */ -#define _REGION_ENTRY_ORIGIN ~0xfffUL/* region/segment table origin */ -#define _REGION_ENTRY_INV 0x20 /* invalid region table entry */ -#define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */ -#define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */ -#define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */ -#define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */ -#define _REGION_ENTRY_LENGTH 0x03 /* region third length */ - -#define _REGION1_ENTRY (_REGION_ENTRY_TYPE_R1 | _REGION_ENTRY_LENGTH) -#define _REGION1_ENTRY_EMPTY (_REGION_ENTRY_TYPE_R1 | _REGION_ENTRY_INV) -#define _REGION2_ENTRY (_REGION_ENTRY_TYPE_R2 | _REGION_ENTRY_LENGTH) -#define _REGION2_ENTRY_EMPTY (_REGION_ENTRY_TYPE_R2 | _REGION_ENTRY_INV) -#define _REGION3_ENTRY (_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_LENGTH) -#define _REGION3_ENTRY_EMPTY (_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_INV) - -/* Bits in the segment table entry */ -#define _SEGMENT_ENTRY_ORIGIN ~0x7ffUL/* segment table origin */ -#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */ -#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */ - -#define _SEGMENT_ENTRY (0) -#define _SEGMENT_ENTRY_EMPTY (_SEGMENT_ENTRY_INV) - -#define _SEGMENT_ENTRY_LARGE 0x400 /* STE-format control, large page */ -#define _SEGMENT_ENTRY_CO 0x100 /* change-recording override */ - -/* Page status table bits for virtualization */ -#define RCP_ACC_BITS 0xf000000000000000UL -#define RCP_FP_BIT 0x0800000000000000UL -#define RCP_PCL_BIT 0x0080000000000000UL -#define RCP_HR_BIT 0x0040000000000000UL -#define RCP_HC_BIT 0x0020000000000000UL -#define RCP_GR_BIT 0x0004000000000000UL -#define RCP_GC_BIT 0x0002000000000000UL - -/* User dirty / referenced bit for KVM's migration feature */ -#define KVM_UR_BIT 0x0000800000000000UL -#define KVM_UC_BIT 0x0000400000000000UL - -#endif /* __s390x__ */ - -/* - * A user page table pointer has the space-switch-event bit, the - * private-space-control bit and the storage-alteration-event-control - * bit set. A kernel page table pointer doesn't need them. - */ -#define _ASCE_USER_BITS (_ASCE_SPACE_SWITCH | _ASCE_PRIVATE_SPACE | \ - _ASCE_ALT_EVENT) - -/* - * Page protection definitions. - */ -#define PAGE_NONE __pgprot(_PAGE_TYPE_NONE) -#define PAGE_RO __pgprot(_PAGE_TYPE_RO) -#define PAGE_RW __pgprot(_PAGE_TYPE_RW) - -#define PAGE_KERNEL PAGE_RW -#define PAGE_COPY PAGE_RO - -/* - * On s390 the page table entry has an invalid bit and a read-only bit. - * Read permission implies execute permission and write permission - * implies read permission. - */ - /*xwr*/ -#define __P000 PAGE_NONE -#define __P001 PAGE_RO -#define __P010 PAGE_RO -#define __P011 PAGE_RO -#define __P100 PAGE_RO -#define __P101 PAGE_RO -#define __P110 PAGE_RO -#define __P111 PAGE_RO - -#define __S000 PAGE_NONE -#define __S001 PAGE_RO -#define __S010 PAGE_RW -#define __S011 PAGE_RW -#define __S100 PAGE_RO -#define __S101 PAGE_RO -#define __S110 PAGE_RW -#define __S111 PAGE_RW - -static inline int mm_exclusive(struct mm_struct *mm) -{ - return likely(mm == current->active_mm && - atomic_read(&mm->context.attach_count) <= 1); -} - -static inline int mm_has_pgste(struct mm_struct *mm) -{ -#ifdef CONFIG_PGSTE - if (unlikely(mm->context.has_pgste)) - return 1; -#endif - return 0; -} -/* - * pgd/pmd/pte query functions - */ -#ifndef __s390x__ - -static inline int pgd_present(pgd_t pgd) { return 1; } -static inline int pgd_none(pgd_t pgd) { return 0; } -static inline int pgd_bad(pgd_t pgd) { return 0; } - -static inline int pud_present(pud_t pud) { return 1; } -static inline int pud_none(pud_t pud) { return 0; } -static inline int pud_bad(pud_t pud) { return 0; } - -#else /* __s390x__ */ - -static inline int pgd_present(pgd_t pgd) -{ - if ((pgd_val(pgd) & _REGION_ENTRY_TYPE_MASK) < _REGION_ENTRY_TYPE_R2) - return 1; - return (pgd_val(pgd) & _REGION_ENTRY_ORIGIN) != 0UL; -} - -static inline int pgd_none(pgd_t pgd) -{ - if ((pgd_val(pgd) & _REGION_ENTRY_TYPE_MASK) < _REGION_ENTRY_TYPE_R2) - return 0; - return (pgd_val(pgd) & _REGION_ENTRY_INV) != 0UL; -} - -static inline int pgd_bad(pgd_t pgd) -{ - /* - * With dynamic page table levels the pgd can be a region table - * entry or a segment table entry. Check for the bit that are - * invalid for either table entry. - */ - unsigned long mask = - ~_SEGMENT_ENTRY_ORIGIN & ~_REGION_ENTRY_INV & - ~_REGION_ENTRY_TYPE_MASK & ~_REGION_ENTRY_LENGTH; - return (pgd_val(pgd) & mask) != 0; -} - -static inline int pud_present(pud_t pud) -{ - if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) < _REGION_ENTRY_TYPE_R3) - return 1; - return (pud_val(pud) & _REGION_ENTRY_ORIGIN) != 0UL; -} - -static inline int pud_none(pud_t pud) -{ - if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) < _REGION_ENTRY_TYPE_R3) - return 0; - return (pud_val(pud) & _REGION_ENTRY_INV) != 0UL; -} - -static inline int pud_bad(pud_t pud) -{ - /* - * With dynamic page table levels the pud can be a region table - * entry or a segment table entry. Check for the bit that are - * invalid for either table entry. - */ - unsigned long mask = - ~_SEGMENT_ENTRY_ORIGIN & ~_REGION_ENTRY_INV & - ~_REGION_ENTRY_TYPE_MASK & ~_REGION_ENTRY_LENGTH; - return (pud_val(pud) & mask) != 0; -} - -#endif /* __s390x__ */ - -static inline int pmd_present(pmd_t pmd) -{ - return (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) != 0UL; -} - -static inline int pmd_none(pmd_t pmd) -{ - return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) != 0UL; -} - -static inline int pmd_bad(pmd_t pmd) -{ - unsigned long mask = ~_SEGMENT_ENTRY_ORIGIN & ~_SEGMENT_ENTRY_INV; - return (pmd_val(pmd) & mask) != _SEGMENT_ENTRY; -} - -static inline int pte_none(pte_t pte) -{ - return (pte_val(pte) & _PAGE_INVALID) && !(pte_val(pte) & _PAGE_SWT); -} - -static inline int pte_present(pte_t pte) -{ - unsigned long mask = _PAGE_RO | _PAGE_INVALID | _PAGE_SWT | _PAGE_SWX; - return (pte_val(pte) & mask) == _PAGE_TYPE_NONE || - (!(pte_val(pte) & _PAGE_INVALID) && - !(pte_val(pte) & _PAGE_SWT)); -} - -static inline int pte_file(pte_t pte) -{ - unsigned long mask = _PAGE_RO | _PAGE_INVALID | _PAGE_SWT; - return (pte_val(pte) & mask) == _PAGE_TYPE_FILE; -} - -static inline int pte_special(pte_t pte) -{ - return (pte_val(pte) & _PAGE_SPECIAL); -} - -#define __HAVE_ARCH_PTE_SAME -static inline int pte_same(pte_t a, pte_t b) -{ - return pte_val(a) == pte_val(b); -} - -static inline pgste_t pgste_get_lock(pte_t *ptep) -{ - unsigned long new = 0; -#ifdef CONFIG_PGSTE - unsigned long old; - - preempt_disable(); - asm( - " lg %0,%2\n" - "0: lgr %1,%0\n" - " nihh %0,0xff7f\n" /* clear RCP_PCL_BIT in old */ - " oihh %1,0x0080\n" /* set RCP_PCL_BIT in new */ - " csg %0,%1,%2\n" - " jl 0b\n" - : "=&d" (old), "=&d" (new), "=Q" (ptep[PTRS_PER_PTE]) - : "Q" (ptep[PTRS_PER_PTE]) : "cc"); -#endif - return __pgste(new); -} - -static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste) -{ -#ifdef CONFIG_PGSTE - asm( - " nihh %1,0xff7f\n" /* clear RCP_PCL_BIT */ - " stg %1,%0\n" - : "=Q" (ptep[PTRS_PER_PTE]) - : "d" (pgste_val(pgste)), "Q" (ptep[PTRS_PER_PTE]) : "cc"); - preempt_enable(); -#endif -} - -static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) -{ -#ifdef CONFIG_PGSTE - unsigned long address, bits; - unsigned char skey; - - if (!pte_present(*ptep)) - return pgste; - address = pte_val(*ptep) & PAGE_MASK; - skey = page_get_storage_key(address); - bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); - /* Clear page changed & referenced bit in the storage key */ - if (bits & _PAGE_CHANGED) - page_set_storage_key(address, skey ^ bits, 1); - else if (bits) - page_reset_referenced(address); - /* Transfer page changed & referenced bit to guest bits in pgste */ - pgste_val(pgste) |= bits << 48; /* RCP_GR_BIT & RCP_GC_BIT */ - /* Get host changed & referenced bits from pgste */ - bits |= (pgste_val(pgste) & (RCP_HR_BIT | RCP_HC_BIT)) >> 52; - /* Clear host bits in pgste. */ - pgste_val(pgste) &= ~(RCP_HR_BIT | RCP_HC_BIT); - pgste_val(pgste) &= ~(RCP_ACC_BITS | RCP_FP_BIT); - /* Copy page access key and fetch protection bit to pgste */ - pgste_val(pgste) |= - (unsigned long) (skey & (_PAGE_ACC_BITS | _PAGE_FP_BIT)) << 56; - /* Transfer changed and referenced to kvm user bits */ - pgste_val(pgste) |= bits << 45; /* KVM_UR_BIT & KVM_UC_BIT */ - /* Transfer changed & referenced to pte sofware bits */ - pte_val(*ptep) |= bits << 1; /* _PAGE_SWR & _PAGE_SWC */ -#endif - return pgste; - -} - -static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) -{ -#ifdef CONFIG_PGSTE - int young; - - if (!pte_present(*ptep)) - return pgste; - young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK); - /* Transfer page referenced bit to pte software bit (host view) */ - if (young || (pgste_val(pgste) & RCP_HR_BIT)) - pte_val(*ptep) |= _PAGE_SWR; - /* Clear host referenced bit in pgste. */ - pgste_val(pgste) &= ~RCP_HR_BIT; - /* Transfer page referenced bit to guest bit in pgste */ - pgste_val(pgste) |= (unsigned long) young << 50; /* set RCP_GR_BIT */ -#endif - return pgste; - -} - -static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry) -{ -#ifdef CONFIG_PGSTE - unsigned long address; - unsigned long okey, nkey; - - if (!pte_present(entry)) - return; - address = pte_val(entry) & PAGE_MASK; - okey = nkey = page_get_storage_key(address); - nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT); - /* Set page access key and fetch protection bit from pgste */ - nkey |= (pgste_val(pgste) & (RCP_ACC_BITS | RCP_FP_BIT)) >> 56; - if (okey != nkey) - page_set_storage_key(address, nkey, 1); -#endif -} - -/** - * struct gmap_struct - guest address space - * @mm: pointer to the parent mm_struct - * @table: pointer to the page directory - * @asce: address space control element for gmap page table - * @crst_list: list of all crst tables used in the guest address space - */ -struct gmap { - struct list_head list; - struct mm_struct *mm; - unsigned long *table; - unsigned long asce; - struct list_head crst_list; -}; - -/** - * struct gmap_rmap - reverse mapping for segment table entries - * @next: pointer to the next gmap_rmap structure in the list - * @entry: pointer to a segment table entry - */ -struct gmap_rmap { - struct list_head list; - unsigned long *entry; -}; - -/** - * struct gmap_pgtable - gmap information attached to a page table - * @vmaddr: address of the 1MB segment in the process virtual memory - * @mapper: list of segment table entries maping a page table - */ -struct gmap_pgtable { - unsigned long vmaddr; - struct list_head mapper; -}; - -struct gmap *gmap_alloc(struct mm_struct *mm); -void gmap_free(struct gmap *gmap); -void gmap_enable(struct gmap *gmap); -void gmap_disable(struct gmap *gmap); -int gmap_map_segment(struct gmap *gmap, unsigned long from, - unsigned long to, unsigned long length); -int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len); -unsigned long __gmap_fault(unsigned long address, struct gmap *); -unsigned long gmap_fault(unsigned long address, struct gmap *); -void gmap_discard(unsigned long from, unsigned long to, struct gmap *); - -/* - * Certain architectures need to do special things when PTEs - * within a page table are directly modified. Thus, the following - * hook is made available. - */ -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t entry) -{ - pgste_t pgste; - - if (mm_has_pgste(mm)) { - pgste = pgste_get_lock(ptep); - pgste_set_pte(ptep, pgste, entry); - *ptep = entry; - pgste_set_unlock(ptep, pgste); - } else - *ptep = entry; -} - -/* - * query functions pte_write/pte_dirty/pte_young only work if - * pte_present() is true. Undefined behaviour if not.. - */ -static inline int pte_write(pte_t pte) -{ - return (pte_val(pte) & _PAGE_RO) == 0; -} - -static inline int pte_dirty(pte_t pte) -{ -#ifdef CONFIG_PGSTE - if (pte_val(pte) & _PAGE_SWC) - return 1; -#endif - return 0; -} - -static inline int pte_young(pte_t pte) -{ -#ifdef CONFIG_PGSTE - if (pte_val(pte) & _PAGE_SWR) - return 1; -#endif - return 0; -} - -/* - * pgd/pmd/pte modification functions - */ - -static inline void pgd_clear(pgd_t *pgd) -{ -#ifdef __s390x__ - if ((pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R2) - pgd_val(*pgd) = _REGION2_ENTRY_EMPTY; -#endif -} - -static inline void pud_clear(pud_t *pud) -{ -#ifdef __s390x__ - if ((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) - pud_val(*pud) = _REGION3_ENTRY_EMPTY; -#endif -} - -static inline void pmd_clear(pmd_t *pmdp) -{ - pmd_val(*pmdp) = _SEGMENT_ENTRY_EMPTY; -} - -static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) -{ - pte_val(*ptep) = _PAGE_TYPE_EMPTY; -} - -/* - * The following pte modification functions only work if - * pte_present() is true. Undefined behaviour if not.. - */ -static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) -{ - pte_val(pte) &= _PAGE_CHG_MASK; - pte_val(pte) |= pgprot_val(newprot); - return pte; -} - -static inline pte_t pte_wrprotect(pte_t pte) -{ - /* Do not clobber _PAGE_TYPE_NONE pages! */ - if (!(pte_val(pte) & _PAGE_INVALID)) - pte_val(pte) |= _PAGE_RO; - return pte; -} - -static inline pte_t pte_mkwrite(pte_t pte) -{ - pte_val(pte) &= ~_PAGE_RO; - return pte; -} - -static inline pte_t pte_mkclean(pte_t pte) -{ -#ifdef CONFIG_PGSTE - pte_val(pte) &= ~_PAGE_SWC; -#endif - return pte; -} - -static inline pte_t pte_mkdirty(pte_t pte) -{ - return pte; -} - -static inline pte_t pte_mkold(pte_t pte) -{ -#ifdef CONFIG_PGSTE - pte_val(pte) &= ~_PAGE_SWR; -#endif - return pte; -} - -static inline pte_t pte_mkyoung(pte_t pte) -{ - return pte; -} - -static inline pte_t pte_mkspecial(pte_t pte) -{ - pte_val(pte) |= _PAGE_SPECIAL; - return pte; -} - -#ifdef CONFIG_HUGETLB_PAGE -static inline pte_t pte_mkhuge(pte_t pte) -{ - /* - * PROT_NONE needs to be remapped from the pte type to the ste type. - * The HW invalid bit is also different for pte and ste. The pte - * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE - * bit, so we don't have to clear it. - */ - if (pte_val(pte) & _PAGE_INVALID) { - if (pte_val(pte) & _PAGE_SWT) - pte_val(pte) |= _HPAGE_TYPE_NONE; - pte_val(pte) |= _SEGMENT_ENTRY_INV; - } - /* - * Clear SW pte bits SWT and SWX, there are no SW bits in a segment - * table entry. - */ - pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX); - /* - * Also set the change-override bit because we don't need dirty bit - * tracking for hugetlbfs pages. - */ - pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO); - return pte; -} -#endif - -/* - * Get (and clear) the user dirty bit for a pte. - */ -static inline int ptep_test_and_clear_user_dirty(struct mm_struct *mm, - pte_t *ptep) -{ - pgste_t pgste; - int dirty = 0; - - if (mm_has_pgste(mm)) { - pgste = pgste_get_lock(ptep); - pgste = pgste_update_all(ptep, pgste); - dirty = !!(pgste_val(pgste) & KVM_UC_BIT); - pgste_val(pgste) &= ~KVM_UC_BIT; - pgste_set_unlock(ptep, pgste); - return dirty; - } - return dirty; -} - -/* - * Get (and clear) the user referenced bit for a pte. - */ -static inline int ptep_test_and_clear_user_young(struct mm_struct *mm, - pte_t *ptep) -{ - pgste_t pgste; - int young = 0; - - if (mm_has_pgste(mm)) { - pgste = pgste_get_lock(ptep); - pgste = pgste_update_young(ptep, pgste); - young = !!(pgste_val(pgste) & KVM_UR_BIT); - pgste_val(pgste) &= ~KVM_UR_BIT; - pgste_set_unlock(ptep, pgste); - } - return young; -} - -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG -static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) -{ - pgste_t pgste; - pte_t pte; - - if (mm_has_pgste(vma->vm_mm)) { - pgste = pgste_get_lock(ptep); - pgste = pgste_update_young(ptep, pgste); - pte = *ptep; - *ptep = pte_mkold(pte); - pgste_set_unlock(ptep, pgste); - return pte_young(pte); - } - return 0; -} - -#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH -static inline int ptep_clear_flush_young(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) -{ - /* No need to flush TLB - * On s390 reference bits are in storage key and never in TLB - * With virtualization we handle the reference bit, without we - * we can simply return */ - return ptep_test_and_clear_young(vma, address, ptep); -} - -static inline void __ptep_ipte(unsigned long address, pte_t *ptep) -{ - if (!(pte_val(*ptep) & _PAGE_INVALID)) { -#ifndef __s390x__ - /* pto must point to the start of the segment table */ - pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00); -#else - /* ipte in zarch mode can do the math */ - pte_t *pto = ptep; -#endif - asm volatile( - " ipte %2,%3" - : "=m" (*ptep) : "m" (*ptep), - "a" (pto), "a" (address)); - } -} - -/* - * This is hard to understand. ptep_get_and_clear and ptep_clear_flush - * both clear the TLB for the unmapped pte. The reason is that - * ptep_get_and_clear is used in common code (e.g. change_pte_range) - * to modify an active pte. The sequence is - * 1) ptep_get_and_clear - * 2) set_pte_at - * 3) flush_tlb_range - * On s390 the tlb needs to get flushed with the modification of the pte - * if the pte is active. The only way how this can be implemented is to - * have ptep_get_and_clear do the tlb flush. In exchange flush_tlb_range - * is a nop. - */ -#define __HAVE_ARCH_PTEP_GET_AND_CLEAR -static inline pte_t ptep_get_and_clear(struct mm_struct *mm, - unsigned long address, pte_t *ptep) -{ - pgste_t pgste; - pte_t pte; - - mm->context.flush_mm = 1; - if (mm_has_pgste(mm)) - pgste = pgste_get_lock(ptep); - - pte = *ptep; - if (!mm_exclusive(mm)) - __ptep_ipte(address, ptep); - pte_val(*ptep) = _PAGE_TYPE_EMPTY; - - if (mm_has_pgste(mm)) { - pgste = pgste_update_all(&pte, pgste); - pgste_set_unlock(ptep, pgste); - } - return pte; -} - -#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION -static inline pte_t ptep_modify_prot_start(struct mm_struct *mm, - unsigned long address, - pte_t *ptep) -{ - pte_t pte; - - mm->context.flush_mm = 1; - if (mm_has_pgste(mm)) - pgste_get_lock(ptep); - - pte = *ptep; - if (!mm_exclusive(mm)) - __ptep_ipte(address, ptep); - return pte; -} - -static inline void ptep_modify_prot_commit(struct mm_struct *mm, - unsigned long address, - pte_t *ptep, pte_t pte) -{ - *ptep = pte; - if (mm_has_pgste(mm)) - pgste_set_unlock(ptep, *(pgste_t *)(ptep + PTRS_PER_PTE)); -} - -#define __HAVE_ARCH_PTEP_CLEAR_FLUSH -static inline pte_t ptep_clear_flush(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) -{ - pgste_t pgste; - pte_t pte; - - if (mm_has_pgste(vma->vm_mm)) - pgste = pgste_get_lock(ptep); - - pte = *ptep; - __ptep_ipte(address, ptep); - pte_val(*ptep) = _PAGE_TYPE_EMPTY; - - if (mm_has_pgste(vma->vm_mm)) { - pgste = pgste_update_all(&pte, pgste); - pgste_set_unlock(ptep, pgste); - } - return pte; -} - -/* - * The batched pte unmap code uses ptep_get_and_clear_full to clear the - * ptes. Here an optimization is possible. tlb_gather_mmu flushes all - * tlbs of an mm if it can guarantee that the ptes of the mm_struct - * cannot be accessed while the batched unmap is running. In this case - * full==1 and a simple pte_clear is enough. See tlb.h. - */ -#define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL -static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, - unsigned long address, - pte_t *ptep, int full) -{ - pgste_t pgste; - pte_t pte; - - if (mm_has_pgste(mm)) - pgste = pgste_get_lock(ptep); - - pte = *ptep; - if (!full) - __ptep_ipte(address, ptep); - pte_val(*ptep) = _PAGE_TYPE_EMPTY; - - if (mm_has_pgste(mm)) { - pgste = pgste_update_all(&pte, pgste); - pgste_set_unlock(ptep, pgste); - } - return pte; -} - -#define __HAVE_ARCH_PTEP_SET_WRPROTECT -static inline pte_t ptep_set_wrprotect(struct mm_struct *mm, - unsigned long address, pte_t *ptep) -{ - pgste_t pgste; - pte_t pte = *ptep; - - if (pte_write(pte)) { - mm->context.flush_mm = 1; - if (mm_has_pgste(mm)) - pgste = pgste_get_lock(ptep); - - if (!mm_exclusive(mm)) - __ptep_ipte(address, ptep); - *ptep = pte_wrprotect(pte); - - if (mm_has_pgste(mm)) - pgste_set_unlock(ptep, pgste); - } - return pte; -} - -#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS -static inline int ptep_set_access_flags(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep, - pte_t entry, int dirty) -{ - pgste_t pgste; - - if (pte_same(*ptep, entry)) - return 0; - if (mm_has_pgste(vma->vm_mm)) - pgste = pgste_get_lock(ptep); - - __ptep_ipte(address, ptep); - *ptep = entry; - - if (mm_has_pgste(vma->vm_mm)) - pgste_set_unlock(ptep, pgste); - return 1; -} - -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ -static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot) -{ - pte_t __pte; - pte_val(__pte) = physpage + pgprot_val(pgprot); - return __pte; -} - -static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) -{ - unsigned long physpage = page_to_phys(page); - - return mk_pte_phys(physpage, pgprot); -} - -#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) -#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) -#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) -#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) - -#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) -#define pgd_offset_k(address) pgd_offset(&init_mm, address) - -#ifndef __s390x__ - -#define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) -#define pud_deref(pmd) ({ BUG(); 0UL; }) -#define pgd_deref(pmd) ({ BUG(); 0UL; }) - -#define pud_offset(pgd, address) ((pud_t *) pgd) -#define pmd_offset(pud, address) ((pmd_t *) pud + pmd_index(address)) - -#else /* __s390x__ */ - -#define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) -#define pud_deref(pud) (pud_val(pud) & _REGION_ENTRY_ORIGIN) -#define pgd_deref(pgd) (pgd_val(pgd) & _REGION_ENTRY_ORIGIN) - -static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) -{ - pud_t *pud = (pud_t *) pgd; - if ((pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R2) - pud = (pud_t *) pgd_deref(*pgd); - return pud + pud_index(address); -} - -static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) -{ - pmd_t *pmd = (pmd_t *) pud; - if ((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) - pmd = (pmd_t *) pud_deref(*pud); - return pmd + pmd_index(address); -} - -#endif /* __s390x__ */ - -#define pfn_pte(pfn,pgprot) mk_pte_phys(__pa((pfn) << PAGE_SHIFT),(pgprot)) -#define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) -#define pte_page(x) pfn_to_page(pte_pfn(x)) - -#define pmd_page(pmd) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT) - -/* Find an entry in the lowest level page table.. */ -#define pte_offset(pmd, addr) ((pte_t *) pmd_deref(*(pmd)) + pte_index(addr)) -#define pte_offset_kernel(pmd, address) pte_offset(pmd,address) -#define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address) -#define pte_unmap(pte) do { } while (0) - -/* - * 31 bit swap entry format: - * A page-table entry has some bits we have to treat in a special way. - * Bits 0, 20 and bit 23 have to be zero, otherwise an specification - * exception will occur instead of a page translation exception. The - * specifiation exception has the bad habit not to store necessary - * information in the lowcore. - * Bit 21 and bit 22 are the page invalid bit and the page protection - * bit. We set both to indicate a swapped page. - * Bit 30 and 31 are used to distinguish the different page types. For - * a swapped page these bits need to be zero. - * This leaves the bits 1-19 and bits 24-29 to store type and offset. - * We use the 5 bits from 25-29 for the type and the 20 bits from 1-19 - * plus 24 for the offset. - * 0| offset |0110|o|type |00| - * 0 0000000001111111111 2222 2 22222 33 - * 0 1234567890123456789 0123 4 56789 01 - * - * 64 bit swap entry format: - * A page-table entry has some bits we have to treat in a special way. - * Bits 52 and bit 55 have to be zero, otherwise an specification - * exception will occur instead of a page translation exception. The - * specifiation exception has the bad habit not to store necessary - * information in the lowcore. - * Bit 53 and bit 54 are the page invalid bit and the page protection - * bit. We set both to indicate a swapped page. - * Bit 62 and 63 are used to distinguish the different page types. For - * a swapped page these bits need to be zero. - * This leaves the bits 0-51 and bits 56-61 to store type and offset. - * We use the 5 bits from 57-61 for the type and the 53 bits from 0-51 - * plus 56 for the offset. - * | offset |0110|o|type |00| - * 0000000000111111111122222222223333333333444444444455 5555 5 55566 66 - * 0123456789012345678901234567890123456789012345678901 2345 6 78901 23 - */ -#ifndef __s390x__ -#define __SWP_OFFSET_MASK (~0UL >> 12) -#else -#define __SWP_OFFSET_MASK (~0UL >> 11) -#endif -static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) -{ - pte_t pte; - offset &= __SWP_OFFSET_MASK; - pte_val(pte) = _PAGE_TYPE_SWAP | ((type & 0x1f) << 2) | - ((offset & 1UL) << 7) | ((offset & ~1UL) << 11); - return pte; -} - -#define __swp_type(entry) (((entry).val >> 2) & 0x1f) -#define __swp_offset(entry) (((entry).val >> 11) | (((entry).val >> 7) & 1)) -#define __swp_entry(type,offset) ((swp_entry_t) { pte_val(mk_swap_pte((type),(offset))) }) - -#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) -#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) - -#ifndef __s390x__ -# define PTE_FILE_MAX_BITS 26 -#else /* __s390x__ */ -# define PTE_FILE_MAX_BITS 59 -#endif /* __s390x__ */ - -#define pte_to_pgoff(__pte) \ - ((((__pte).pte >> 12) << 7) + (((__pte).pte >> 1) & 0x7f)) - -#define pgoff_to_pte(__off) \ - ((pte_t) { ((((__off) & 0x7f) << 1) + (((__off) >> 7) << 12)) \ - | _PAGE_TYPE_FILE }) - -#endif /* !__ASSEMBLY__ */ - -#define kern_addr_valid(addr) (1) - -extern int vmem_add_mapping(unsigned long start, unsigned long size); -extern int vmem_remove_mapping(unsigned long start, unsigned long size); -extern int s390_enable_sie(void); - -/* - * No page table caches to initialise - */ -#define pgtable_cache_init() do { } while (0) - -#include <asm-generic/pgtable.h> - -#endif /* _S390_PAGE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/poll.h b/ANDROID_3.4.5/arch/s390/include/asm/poll.h deleted file mode 100644 index c98509d3..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/poll.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/poll.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/posix_types.h b/ANDROID_3.4.5/arch/s390/include/asm/posix_types.h deleted file mode 100644 index edf8527f..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/posix_types.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * include/asm-s390/posix_types.h - * - * S390 version - * - */ - -#ifndef __ARCH_S390_POSIX_TYPES_H -#define __ARCH_S390_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_size_t; -#define __kernel_size_t __kernel_size_t - -typedef unsigned short __kernel_old_dev_t; -#define __kernel_old_dev_t __kernel_old_dev_t - -#ifndef __s390x__ - -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; - -#else /* __s390x__ */ - -typedef unsigned int __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ - -#endif /* __s390x__ */ - -#define __kernel_ino_t __kernel_ino_t -#define __kernel_mode_t __kernel_mode_t -#define __kernel_nlink_t __kernel_nlink_t -#define __kernel_ipc_pid_t __kernel_ipc_pid_t -#define __kernel_uid_t __kernel_uid_t -#define __kernel_gid_t __kernel_gid_t - -#include <asm-generic/posix_types.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/processor.h b/ANDROID_3.4.5/arch/s390/include/asm/processor.h deleted file mode 100644 index d499b30e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/processor.h +++ /dev/null @@ -1,363 +0,0 @@ -/* - * include/asm-s390/processor.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com), - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/processor.h" - * Copyright (C) 1994, Linus Torvalds - */ - -#ifndef __ASM_S390_PROCESSOR_H -#define __ASM_S390_PROCESSOR_H - -#include <linux/linkage.h> -#include <linux/irqflags.h> -#include <asm/cpu.h> -#include <asm/page.h> -#include <asm/ptrace.h> -#include <asm/setup.h> - -#ifdef __KERNEL__ -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ void *pc; asm("basr %0,0" : "=a" (pc)); pc; }) - -static inline void get_cpu_id(struct cpuid *ptr) -{ - asm volatile("stidp %0" : "=Q" (*ptr)); -} - -extern void s390_adjust_jiffies(void); -extern int get_cpu_capability(unsigned int *); -extern const struct seq_operations cpuinfo_op; -extern int sysctl_ieee_emulation_warnings; - -/* - * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit. - */ -#ifndef __s390x__ - -#define TASK_SIZE (1UL << 31) -#define TASK_UNMAPPED_BASE (1UL << 30) - -#else /* __s390x__ */ - -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit) -#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \ - (1UL << 30) : (1UL << 41)) -#define TASK_SIZE TASK_SIZE_OF(current) - -#endif /* __s390x__ */ - -#ifdef __KERNEL__ - -#ifndef __s390x__ -#define STACK_TOP (1UL << 31) -#define STACK_TOP_MAX (1UL << 31) -#else /* __s390x__ */ -#define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42)) -#define STACK_TOP_MAX (1UL << 42) -#endif /* __s390x__ */ - - -#endif - -#define HAVE_ARCH_PICK_MMAP_LAYOUT - -typedef struct { - __u32 ar4; -} mm_segment_t; - -/* - * Thread structure - */ -struct thread_struct { - s390_fp_regs fp_regs; - unsigned int acrs[NUM_ACRS]; - unsigned long ksp; /* kernel stack pointer */ - mm_segment_t mm_segment; - unsigned long gmap_addr; /* address of last gmap fault. */ - struct per_regs per_user; /* User specified PER registers */ - struct per_event per_event; /* Cause of the last PER trap */ - /* pfault_wait is used to block the process on a pfault event */ - unsigned long pfault_wait; - struct list_head list; -}; - -typedef struct thread_struct thread_struct; - -/* - * Stack layout of a C stack frame. - */ -#ifndef __PACK_STACK -struct stack_frame { - unsigned long back_chain; - unsigned long empty1[5]; - unsigned long gprs[10]; - unsigned int empty2[8]; -}; -#else -struct stack_frame { - unsigned long empty1[5]; - unsigned int empty2[8]; - unsigned long gprs[10]; - unsigned long back_chain; -}; -#endif - -#define ARCH_MIN_TASKALIGN 8 - -#define INIT_THREAD { \ - .ksp = sizeof(init_stack) + (unsigned long) &init_stack, \ -} - -/* - * Do necessary setup to start up a new thread. - */ -#define start_thread(regs, new_psw, new_stackp) do { \ - regs->psw.mask = psw_user_bits | PSW_MASK_EA | PSW_MASK_BA; \ - regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ - regs->gprs[15] = new_stackp; \ -} while (0) - -#define start_thread31(regs, new_psw, new_stackp) do { \ - regs->psw.mask = psw_user_bits | PSW_MASK_BA; \ - regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ - regs->gprs[15] = new_stackp; \ - crst_table_downgrade(current->mm, 1UL << 31); \ -} while (0) - -/* Forward declaration, a strange C thing */ -struct task_struct; -struct mm_struct; -struct seq_file; - -/* Free all resources held by a thread. */ -extern void release_thread(struct task_struct *); -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -/* - * Return saved PC of a blocked thread. - */ -extern unsigned long thread_saved_pc(struct task_struct *t); - -extern void show_code(struct pt_regs *regs); - -unsigned long get_wchan(struct task_struct *p); -#define task_pt_regs(tsk) ((struct pt_regs *) \ - (task_stack_page(tsk) + THREAD_SIZE) - 1) -#define KSTK_EIP(tsk) (task_pt_regs(tsk)->psw.addr) -#define KSTK_ESP(tsk) (task_pt_regs(tsk)->gprs[15]) - -static inline unsigned short stap(void) -{ - unsigned short cpu_address; - - asm volatile("stap %0" : "=m" (cpu_address)); - return cpu_address; -} - -/* - * Give up the time slice of the virtual PU. - */ -static inline void cpu_relax(void) -{ - if (MACHINE_HAS_DIAG44) - asm volatile("diag 0,0,68"); - barrier(); -} - -static inline void psw_set_key(unsigned int key) -{ - asm volatile("spka 0(%0)" : : "d" (key)); -} - -/* - * Set PSW to specified value. - */ -static inline void __load_psw(psw_t psw) -{ -#ifndef __s390x__ - asm volatile("lpsw %0" : : "Q" (psw) : "cc"); -#else - asm volatile("lpswe %0" : : "Q" (psw) : "cc"); -#endif -} - -/* - * Set PSW mask to specified value, while leaving the - * PSW addr pointing to the next instruction. - */ -static inline void __load_psw_mask (unsigned long mask) -{ - unsigned long addr; - psw_t psw; - - psw.mask = mask; - -#ifndef __s390x__ - asm volatile( - " basr %0,0\n" - "0: ahi %0,1f-0b\n" - " st %0,%O1+4(%R1)\n" - " lpsw %1\n" - "1:" - : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#else /* __s390x__ */ - asm volatile( - " larl %0,1f\n" - " stg %0,%O1+8(%R1)\n" - " lpswe %1\n" - "1:" - : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#endif /* __s390x__ */ -} - -/* - * Rewind PSW instruction address by specified number of bytes. - */ -static inline unsigned long __rewind_psw(psw_t psw, unsigned long ilc) -{ -#ifndef __s390x__ - if (psw.addr & PSW_ADDR_AMODE) - /* 31 bit mode */ - return (psw.addr - ilc) | PSW_ADDR_AMODE; - /* 24 bit mode */ - return (psw.addr - ilc) & ((1UL << 24) - 1); -#else - unsigned long mask; - - mask = (psw.mask & PSW_MASK_EA) ? -1UL : - (psw.mask & PSW_MASK_BA) ? (1UL << 31) - 1 : - (1UL << 24) - 1; - return (psw.addr - ilc) & mask; -#endif -} - -/* - * Function to drop a processor into disabled wait state - */ -static inline void __noreturn disabled_wait(unsigned long code) -{ - unsigned long ctl_buf; - psw_t dw_psw; - - dw_psw.mask = PSW_MASK_BASE | PSW_MASK_WAIT | PSW_MASK_BA | PSW_MASK_EA; - dw_psw.addr = code; - /* - * Store status and then load disabled wait psw, - * the processor is dead afterwards - */ -#ifndef __s390x__ - asm volatile( - " stctl 0,0,0(%2)\n" - " ni 0(%2),0xef\n" /* switch off protection */ - " lctl 0,0,0(%2)\n" - " stpt 0xd8\n" /* store timer */ - " stckc 0xe0\n" /* store clock comparator */ - " stpx 0x108\n" /* store prefix register */ - " stam 0,15,0x120\n" /* store access registers */ - " std 0,0x160\n" /* store f0 */ - " std 2,0x168\n" /* store f2 */ - " std 4,0x170\n" /* store f4 */ - " std 6,0x178\n" /* store f6 */ - " stm 0,15,0x180\n" /* store general registers */ - " stctl 0,15,0x1c0\n" /* store control registers */ - " oi 0x1c0,0x10\n" /* fake protection bit */ - " lpsw 0(%1)" - : "=m" (ctl_buf) - : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc"); -#else /* __s390x__ */ - asm volatile( - " stctg 0,0,0(%2)\n" - " ni 4(%2),0xef\n" /* switch off protection */ - " lctlg 0,0,0(%2)\n" - " lghi 1,0x1000\n" - " stpt 0x328(1)\n" /* store timer */ - " stckc 0x330(1)\n" /* store clock comparator */ - " stpx 0x318(1)\n" /* store prefix register */ - " stam 0,15,0x340(1)\n"/* store access registers */ - " stfpc 0x31c(1)\n" /* store fpu control */ - " std 0,0x200(1)\n" /* store f0 */ - " std 1,0x208(1)\n" /* store f1 */ - " std 2,0x210(1)\n" /* store f2 */ - " std 3,0x218(1)\n" /* store f3 */ - " std 4,0x220(1)\n" /* store f4 */ - " std 5,0x228(1)\n" /* store f5 */ - " std 6,0x230(1)\n" /* store f6 */ - " std 7,0x238(1)\n" /* store f7 */ - " std 8,0x240(1)\n" /* store f8 */ - " std 9,0x248(1)\n" /* store f9 */ - " std 10,0x250(1)\n" /* store f10 */ - " std 11,0x258(1)\n" /* store f11 */ - " std 12,0x260(1)\n" /* store f12 */ - " std 13,0x268(1)\n" /* store f13 */ - " std 14,0x270(1)\n" /* store f14 */ - " std 15,0x278(1)\n" /* store f15 */ - " stmg 0,15,0x280(1)\n"/* store general registers */ - " stctg 0,15,0x380(1)\n"/* store control registers */ - " oi 0x384(1),0x10\n"/* fake protection bit */ - " lpswe 0(%1)" - : "=m" (ctl_buf) - : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0", "1"); -#endif /* __s390x__ */ - while (1); -} - -/* - * Use to set psw mask except for the first byte which - * won't be changed by this function. - */ -static inline void -__set_psw_mask(unsigned long mask) -{ - __load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8))); -} - -#define local_mcck_enable() \ - __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK) -#define local_mcck_disable() \ - __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT) - -/* - * Basic Machine Check/Program Check Handler. - */ - -extern void s390_base_mcck_handler(void); -extern void s390_base_pgm_handler(void); -extern void s390_base_ext_handler(void); - -extern void (*s390_base_mcck_handler_fn)(void); -extern void (*s390_base_pgm_handler_fn)(void); -extern void (*s390_base_ext_handler_fn)(void); - -#define ARCH_LOW_ADDRESS_LIMIT 0x7fffffffUL - -#endif - -/* - * Helper macro for exception table entries - */ -#ifndef __s390x__ -#define EX_TABLE(_fault,_target) \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long " #_fault "," #_target "\n" \ - ".previous\n" -#else -#define EX_TABLE(_fault,_target) \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad " #_fault "," #_target "\n" \ - ".previous\n" -#endif - -#endif /* __ASM_S390_PROCESSOR_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ptrace.h b/ANDROID_3.4.5/arch/s390/include/asm/ptrace.h deleted file mode 100644 index aeb77f01..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ptrace.h +++ /dev/null @@ -1,564 +0,0 @@ -/* - * include/asm-s390/ptrace.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) - */ - -#ifndef _S390_PTRACE_H -#define _S390_PTRACE_H - -/* - * Offsets in the user_regs_struct. They are used for the ptrace - * system call and in entry.S - */ -#ifndef __s390x__ - -#define PT_PSWMASK 0x00 -#define PT_PSWADDR 0x04 -#define PT_GPR0 0x08 -#define PT_GPR1 0x0C -#define PT_GPR2 0x10 -#define PT_GPR3 0x14 -#define PT_GPR4 0x18 -#define PT_GPR5 0x1C -#define PT_GPR6 0x20 -#define PT_GPR7 0x24 -#define PT_GPR8 0x28 -#define PT_GPR9 0x2C -#define PT_GPR10 0x30 -#define PT_GPR11 0x34 -#define PT_GPR12 0x38 -#define PT_GPR13 0x3C -#define PT_GPR14 0x40 -#define PT_GPR15 0x44 -#define PT_ACR0 0x48 -#define PT_ACR1 0x4C -#define PT_ACR2 0x50 -#define PT_ACR3 0x54 -#define PT_ACR4 0x58 -#define PT_ACR5 0x5C -#define PT_ACR6 0x60 -#define PT_ACR7 0x64 -#define PT_ACR8 0x68 -#define PT_ACR9 0x6C -#define PT_ACR10 0x70 -#define PT_ACR11 0x74 -#define PT_ACR12 0x78 -#define PT_ACR13 0x7C -#define PT_ACR14 0x80 -#define PT_ACR15 0x84 -#define PT_ORIGGPR2 0x88 -#define PT_FPC 0x90 -/* - * A nasty fact of life that the ptrace api - * only supports passing of longs. - */ -#define PT_FPR0_HI 0x98 -#define PT_FPR0_LO 0x9C -#define PT_FPR1_HI 0xA0 -#define PT_FPR1_LO 0xA4 -#define PT_FPR2_HI 0xA8 -#define PT_FPR2_LO 0xAC -#define PT_FPR3_HI 0xB0 -#define PT_FPR3_LO 0xB4 -#define PT_FPR4_HI 0xB8 -#define PT_FPR4_LO 0xBC -#define PT_FPR5_HI 0xC0 -#define PT_FPR5_LO 0xC4 -#define PT_FPR6_HI 0xC8 -#define PT_FPR6_LO 0xCC -#define PT_FPR7_HI 0xD0 -#define PT_FPR7_LO 0xD4 -#define PT_FPR8_HI 0xD8 -#define PT_FPR8_LO 0XDC -#define PT_FPR9_HI 0xE0 -#define PT_FPR9_LO 0xE4 -#define PT_FPR10_HI 0xE8 -#define PT_FPR10_LO 0xEC -#define PT_FPR11_HI 0xF0 -#define PT_FPR11_LO 0xF4 -#define PT_FPR12_HI 0xF8 -#define PT_FPR12_LO 0xFC -#define PT_FPR13_HI 0x100 -#define PT_FPR13_LO 0x104 -#define PT_FPR14_HI 0x108 -#define PT_FPR14_LO 0x10C -#define PT_FPR15_HI 0x110 -#define PT_FPR15_LO 0x114 -#define PT_CR_9 0x118 -#define PT_CR_10 0x11C -#define PT_CR_11 0x120 -#define PT_IEEE_IP 0x13C -#define PT_LASTOFF PT_IEEE_IP -#define PT_ENDREGS 0x140-1 - -#define GPR_SIZE 4 -#define CR_SIZE 4 - -#define STACK_FRAME_OVERHEAD 96 /* size of minimum stack frame */ - -#else /* __s390x__ */ - -#define PT_PSWMASK 0x00 -#define PT_PSWADDR 0x08 -#define PT_GPR0 0x10 -#define PT_GPR1 0x18 -#define PT_GPR2 0x20 -#define PT_GPR3 0x28 -#define PT_GPR4 0x30 -#define PT_GPR5 0x38 -#define PT_GPR6 0x40 -#define PT_GPR7 0x48 -#define PT_GPR8 0x50 -#define PT_GPR9 0x58 -#define PT_GPR10 0x60 -#define PT_GPR11 0x68 -#define PT_GPR12 0x70 -#define PT_GPR13 0x78 -#define PT_GPR14 0x80 -#define PT_GPR15 0x88 -#define PT_ACR0 0x90 -#define PT_ACR1 0x94 -#define PT_ACR2 0x98 -#define PT_ACR3 0x9C -#define PT_ACR4 0xA0 -#define PT_ACR5 0xA4 -#define PT_ACR6 0xA8 -#define PT_ACR7 0xAC -#define PT_ACR8 0xB0 -#define PT_ACR9 0xB4 -#define PT_ACR10 0xB8 -#define PT_ACR11 0xBC -#define PT_ACR12 0xC0 -#define PT_ACR13 0xC4 -#define PT_ACR14 0xC8 -#define PT_ACR15 0xCC -#define PT_ORIGGPR2 0xD0 -#define PT_FPC 0xD8 -#define PT_FPR0 0xE0 -#define PT_FPR1 0xE8 -#define PT_FPR2 0xF0 -#define PT_FPR3 0xF8 -#define PT_FPR4 0x100 -#define PT_FPR5 0x108 -#define PT_FPR6 0x110 -#define PT_FPR7 0x118 -#define PT_FPR8 0x120 -#define PT_FPR9 0x128 -#define PT_FPR10 0x130 -#define PT_FPR11 0x138 -#define PT_FPR12 0x140 -#define PT_FPR13 0x148 -#define PT_FPR14 0x150 -#define PT_FPR15 0x158 -#define PT_CR_9 0x160 -#define PT_CR_10 0x168 -#define PT_CR_11 0x170 -#define PT_IEEE_IP 0x1A8 -#define PT_LASTOFF PT_IEEE_IP -#define PT_ENDREGS 0x1B0-1 - -#define GPR_SIZE 8 -#define CR_SIZE 8 - -#define STACK_FRAME_OVERHEAD 160 /* size of minimum stack frame */ - -#endif /* __s390x__ */ - -#define NUM_GPRS 16 -#define NUM_FPRS 16 -#define NUM_CRS 16 -#define NUM_ACRS 16 - -#define NUM_CR_WORDS 3 - -#define FPR_SIZE 8 -#define FPC_SIZE 4 -#define FPC_PAD_SIZE 4 /* gcc insists on aligning the fpregs */ -#define ACR_SIZE 4 - - -#define PTRACE_OLDSETOPTIONS 21 - -#ifndef __ASSEMBLY__ -#include <linux/stddef.h> -#include <linux/types.h> - -typedef union -{ - float f; - double d; - __u64 ui; - struct - { - __u32 hi; - __u32 lo; - } fp; -} freg_t; - -typedef struct -{ - __u32 fpc; - freg_t fprs[NUM_FPRS]; -} s390_fp_regs; - -#define FPC_EXCEPTION_MASK 0xF8000000 -#define FPC_FLAGS_MASK 0x00F80000 -#define FPC_DXC_MASK 0x0000FF00 -#define FPC_RM_MASK 0x00000003 -#define FPC_VALID_MASK 0xF8F8FF03 - -/* this typedef defines how a Program Status Word looks like */ -typedef struct -{ - unsigned long mask; - unsigned long addr; -} __attribute__ ((aligned(8))) psw_t; - -typedef struct -{ - __u32 mask; - __u32 addr; -} __attribute__ ((aligned(8))) psw_compat_t; - -#ifndef __s390x__ - -#define PSW_MASK_PER 0x40000000UL -#define PSW_MASK_DAT 0x04000000UL -#define PSW_MASK_IO 0x02000000UL -#define PSW_MASK_EXT 0x01000000UL -#define PSW_MASK_KEY 0x00F00000UL -#define PSW_MASK_BASE 0x00080000UL /* always one */ -#define PSW_MASK_MCHECK 0x00040000UL -#define PSW_MASK_WAIT 0x00020000UL -#define PSW_MASK_PSTATE 0x00010000UL -#define PSW_MASK_ASC 0x0000C000UL -#define PSW_MASK_CC 0x00003000UL -#define PSW_MASK_PM 0x00000F00UL -#define PSW_MASK_EA 0x00000000UL -#define PSW_MASK_BA 0x00000000UL - -#define PSW_MASK_USER 0x00003F00UL - -#define PSW_ADDR_AMODE 0x80000000UL -#define PSW_ADDR_INSN 0x7FFFFFFFUL - -#define PSW_DEFAULT_KEY (((unsigned long) PAGE_DEFAULT_ACC) << 20) - -#define PSW_ASC_PRIMARY 0x00000000UL -#define PSW_ASC_ACCREG 0x00004000UL -#define PSW_ASC_SECONDARY 0x00008000UL -#define PSW_ASC_HOME 0x0000C000UL - -#else /* __s390x__ */ - -#define PSW_MASK_PER 0x4000000000000000UL -#define PSW_MASK_DAT 0x0400000000000000UL -#define PSW_MASK_IO 0x0200000000000000UL -#define PSW_MASK_EXT 0x0100000000000000UL -#define PSW_MASK_BASE 0x0000000000000000UL -#define PSW_MASK_KEY 0x00F0000000000000UL -#define PSW_MASK_MCHECK 0x0004000000000000UL -#define PSW_MASK_WAIT 0x0002000000000000UL -#define PSW_MASK_PSTATE 0x0001000000000000UL -#define PSW_MASK_ASC 0x0000C00000000000UL -#define PSW_MASK_CC 0x0000300000000000UL -#define PSW_MASK_PM 0x00000F0000000000UL -#define PSW_MASK_EA 0x0000000100000000UL -#define PSW_MASK_BA 0x0000000080000000UL - -#define PSW_MASK_USER 0x00003F0180000000UL - -#define PSW_ADDR_AMODE 0x0000000000000000UL -#define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL - -#define PSW_DEFAULT_KEY (((unsigned long) PAGE_DEFAULT_ACC) << 52) - -#define PSW_ASC_PRIMARY 0x0000000000000000UL -#define PSW_ASC_ACCREG 0x0000400000000000UL -#define PSW_ASC_SECONDARY 0x0000800000000000UL -#define PSW_ASC_HOME 0x0000C00000000000UL - -#endif /* __s390x__ */ - -#ifdef __KERNEL__ -extern long psw_kernel_bits; -extern long psw_user_bits; -#endif - -/* - * The s390_regs structure is used to define the elf_gregset_t. - */ -typedef struct -{ - psw_t psw; - unsigned long gprs[NUM_GPRS]; - unsigned int acrs[NUM_ACRS]; - unsigned long orig_gpr2; -} s390_regs; - -typedef struct -{ - psw_compat_t psw; - __u32 gprs[NUM_GPRS]; - __u32 acrs[NUM_ACRS]; - __u32 orig_gpr2; -} s390_compat_regs; - -typedef struct -{ - __u32 gprs_high[NUM_GPRS]; -} s390_compat_regs_high; - -#ifdef __KERNEL__ - -/* - * The pt_regs struct defines the way the registers are stored on - * the stack during a system call. - */ -struct pt_regs -{ - unsigned long args[1]; - psw_t psw; - unsigned long gprs[NUM_GPRS]; - unsigned long orig_gpr2; - unsigned int int_code; - unsigned long int_parm_long; -}; - -/* - * Program event recording (PER) register set. - */ -struct per_regs { - unsigned long control; /* PER control bits */ - unsigned long start; /* PER starting address */ - unsigned long end; /* PER ending address */ -}; - -/* - * PER event contains information about the cause of the last PER exception. - */ -struct per_event { - unsigned short cause; /* PER code, ATMID and AI */ - unsigned long address; /* PER address */ - unsigned char paid; /* PER access identification */ -}; - -/* - * Simplified per_info structure used to decode the ptrace user space ABI. - */ -struct per_struct_kernel { - unsigned long cr9; /* PER control bits */ - unsigned long cr10; /* PER starting address */ - unsigned long cr11; /* PER ending address */ - unsigned long bits; /* Obsolete software bits */ - unsigned long starting_addr; /* User specified start address */ - unsigned long ending_addr; /* User specified end address */ - unsigned short perc_atmid; /* PER trap ATMID */ - unsigned long address; /* PER trap instruction address */ - unsigned char access_id; /* PER trap access identification */ -}; - -#define PER_EVENT_MASK 0xE9000000UL - -#define PER_EVENT_BRANCH 0x80000000UL -#define PER_EVENT_IFETCH 0x40000000UL -#define PER_EVENT_STORE 0x20000000UL -#define PER_EVENT_STORE_REAL 0x08000000UL -#define PER_EVENT_NULLIFICATION 0x01000000UL - -#define PER_CONTROL_MASK 0x00a00000UL - -#define PER_CONTROL_BRANCH_ADDRESS 0x00800000UL -#define PER_CONTROL_ALTERATION 0x00200000UL - -#endif - -/* - * Now for the user space program event recording (trace) definitions. - * The following structures are used only for the ptrace interface, don't - * touch or even look at it if you don't want to modify the user-space - * ptrace interface. In particular stay away from it for in-kernel PER. - */ -typedef struct -{ - unsigned long cr[NUM_CR_WORDS]; -} per_cr_words; - -#define PER_EM_MASK 0xE8000000UL - -typedef struct -{ -#ifdef __s390x__ - unsigned : 32; -#endif /* __s390x__ */ - unsigned em_branching : 1; - unsigned em_instruction_fetch : 1; - /* - * Switching on storage alteration automatically fixes - * the storage alteration event bit in the users std. - */ - unsigned em_storage_alteration : 1; - unsigned em_gpr_alt_unused : 1; - unsigned em_store_real_address : 1; - unsigned : 3; - unsigned branch_addr_ctl : 1; - unsigned : 1; - unsigned storage_alt_space_ctl : 1; - unsigned : 21; - unsigned long starting_addr; - unsigned long ending_addr; -} per_cr_bits; - -typedef struct -{ - unsigned short perc_atmid; - unsigned long address; - unsigned char access_id; -} per_lowcore_words; - -typedef struct -{ - unsigned perc_branching : 1; - unsigned perc_instruction_fetch : 1; - unsigned perc_storage_alteration : 1; - unsigned perc_gpr_alt_unused : 1; - unsigned perc_store_real_address : 1; - unsigned : 3; - unsigned atmid_psw_bit_31 : 1; - unsigned atmid_validity_bit : 1; - unsigned atmid_psw_bit_32 : 1; - unsigned atmid_psw_bit_5 : 1; - unsigned atmid_psw_bit_16 : 1; - unsigned atmid_psw_bit_17 : 1; - unsigned si : 2; - unsigned long address; - unsigned : 4; - unsigned access_id : 4; -} per_lowcore_bits; - -typedef struct -{ - union { - per_cr_words words; - per_cr_bits bits; - } control_regs; - /* - * Use these flags instead of setting em_instruction_fetch - * directly they are used so that single stepping can be - * switched on & off while not affecting other tracing - */ - unsigned single_step : 1; - unsigned instruction_fetch : 1; - unsigned : 30; - /* - * These addresses are copied into cr10 & cr11 if single - * stepping is switched off - */ - unsigned long starting_addr; - unsigned long ending_addr; - union { - per_lowcore_words words; - per_lowcore_bits bits; - } lowcore; -} per_struct; - -typedef struct -{ - unsigned int len; - unsigned long kernel_addr; - unsigned long process_addr; -} ptrace_area; - -/* - * S/390 specific non posix ptrace requests. I chose unusual values so - * they are unlikely to clash with future ptrace definitions. - */ -#define PTRACE_PEEKUSR_AREA 0x5000 -#define PTRACE_POKEUSR_AREA 0x5001 -#define PTRACE_PEEKTEXT_AREA 0x5002 -#define PTRACE_PEEKDATA_AREA 0x5003 -#define PTRACE_POKETEXT_AREA 0x5004 -#define PTRACE_POKEDATA_AREA 0x5005 -#define PTRACE_GET_LAST_BREAK 0x5006 -#define PTRACE_PEEK_SYSTEM_CALL 0x5007 -#define PTRACE_POKE_SYSTEM_CALL 0x5008 - -/* - * PT_PROT definition is loosely based on hppa bsd definition in - * gdb/hppab-nat.c - */ -#define PTRACE_PROT 21 - -typedef enum -{ - ptprot_set_access_watchpoint, - ptprot_set_write_watchpoint, - ptprot_disable_watchpoint -} ptprot_flags; - -typedef struct -{ - unsigned long lowaddr; - unsigned long hiaddr; - ptprot_flags prot; -} ptprot_area; - -/* Sequence of bytes for breakpoint illegal instruction. */ -#define S390_BREAKPOINT {0x0,0x1} -#define S390_BREAKPOINT_U16 ((__u16)0x0001) -#define S390_SYSCALL_OPCODE ((__u16)0x0a00) -#define S390_SYSCALL_SIZE 2 - -/* - * The user_regs_struct defines the way the user registers are - * store on the stack for signal handling. - */ -struct user_regs_struct -{ - psw_t psw; - unsigned long gprs[NUM_GPRS]; - unsigned int acrs[NUM_ACRS]; - unsigned long orig_gpr2; - s390_fp_regs fp_regs; - /* - * These per registers are in here so that gdb can modify them - * itself as there is no "official" ptrace interface for hardware - * watchpoints. This is the way intel does it. - */ - per_struct per_info; - unsigned long ieee_instruction_pointer; /* obsolete, always 0 */ -}; - -#ifdef __KERNEL__ -/* - * These are defined as per linux/ptrace.h, which see. - */ -#define arch_has_single_step() (1) - -#define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0) -#define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN) -#define user_stack_pointer(regs)((regs)->gprs[15]) -#define profile_pc(regs) instruction_pointer(regs) - -static inline long regs_return_value(struct pt_regs *regs) -{ - return regs->gprs[2]; -} - -int regs_query_register_offset(const char *name); -const char *regs_query_register_name(unsigned int offset); -unsigned long regs_get_register(struct pt_regs *regs, unsigned int offset); -unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n); - -static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) -{ - return regs->gprs[15] & PSW_ADDR_INSN; -} - -#endif /* __KERNEL__ */ -#endif /* __ASSEMBLY__ */ - -#endif /* _S390_PTRACE_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/qdio.h b/ANDROID_3.4.5/arch/s390/include/asm/qdio.h deleted file mode 100644 index d75c8e78..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/qdio.h +++ /dev/null @@ -1,406 +0,0 @@ -/* - * linux/include/asm-s390/qdio.h - * - * Copyright 2000,2008 IBM Corp. - * Author(s): Utz Bacher <utz.bacher@de.ibm.com> - * Jan Glauber <jang@linux.vnet.ibm.com> - * - */ -#ifndef __QDIO_H__ -#define __QDIO_H__ - -#include <linux/interrupt.h> -#include <asm/cio.h> -#include <asm/ccwdev.h> - -/* only use 4 queues to save some cachelines */ -#define QDIO_MAX_QUEUES_PER_IRQ 4 -#define QDIO_MAX_BUFFERS_PER_Q 128 -#define QDIO_MAX_BUFFERS_MASK (QDIO_MAX_BUFFERS_PER_Q - 1) -#define QDIO_MAX_ELEMENTS_PER_BUFFER 16 -#define QDIO_SBAL_SIZE 256 - -#define QDIO_QETH_QFMT 0 -#define QDIO_ZFCP_QFMT 1 -#define QDIO_IQDIO_QFMT 2 - -/** - * struct qdesfmt0 - queue descriptor, format 0 - * @sliba: storage list information block address - * @sla: storage list address - * @slsba: storage list state block address - * @akey: access key for DLIB - * @bkey: access key for SL - * @ckey: access key for SBALs - * @dkey: access key for SLSB - */ -struct qdesfmt0 { - u64 sliba; - u64 sla; - u64 slsba; - u32 : 32; - u32 akey : 4; - u32 bkey : 4; - u32 ckey : 4; - u32 dkey : 4; - u32 : 16; -} __attribute__ ((packed)); - -#define QDR_AC_MULTI_BUFFER_ENABLE 0x01 - -/** - * struct qdr - queue description record (QDR) - * @qfmt: queue format - * @pfmt: implementation dependent parameter format - * @ac: adapter characteristics - * @iqdcnt: input queue descriptor count - * @oqdcnt: output queue descriptor count - * @iqdsz: inpout queue descriptor size - * @oqdsz: output queue descriptor size - * @qiba: queue information block address - * @qkey: queue information block key - * @qdf0: queue descriptions - */ -struct qdr { - u32 qfmt : 8; - u32 pfmt : 8; - u32 : 8; - u32 ac : 8; - u32 : 8; - u32 iqdcnt : 8; - u32 : 8; - u32 oqdcnt : 8; - u32 : 8; - u32 iqdsz : 8; - u32 : 8; - u32 oqdsz : 8; - /* private: */ - u32 res[9]; - /* public: */ - u64 qiba; - u32 : 32; - u32 qkey : 4; - u32 : 28; - struct qdesfmt0 qdf0[126]; -} __attribute__ ((packed, aligned(4096))); - -#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40 -#define QIB_RFLAGS_ENABLE_QEBSM 0x80 -#define QIB_RFLAGS_ENABLE_DATA_DIV 0x02 - -/** - * struct qib - queue information block (QIB) - * @qfmt: queue format - * @pfmt: implementation dependent parameter format - * @rflags: QEBSM - * @ac: adapter characteristics - * @isliba: absolute address of first input SLIB - * @osliba: absolute address of first output SLIB - * @ebcnam: adapter identifier in EBCDIC - * @parm: implementation dependent parameters - */ -struct qib { - u32 qfmt : 8; - u32 pfmt : 8; - u32 rflags : 8; - u32 ac : 8; - u32 : 32; - u64 isliba; - u64 osliba; - u32 : 32; - u32 : 32; - u8 ebcnam[8]; - /* private: */ - u8 res[88]; - /* public: */ - u8 parm[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(256))); - -/** - * struct slibe - storage list information block element (SLIBE) - * @parms: implementation dependent parameters - */ -struct slibe { - u64 parms; -}; - -/** - * struct qaob - queue asynchronous operation block - * @res0: reserved parameters - * @res1: reserved parameter - * @res2: reserved parameter - * @res3: reserved parameter - * @aorc: asynchronous operation return code - * @flags: internal flags - * @cbtbs: control block type - * @sb_count: number of storage blocks - * @sba: storage block element addresses - * @dcount: size of storage block elements - * @user0: user defineable value - * @res4: reserved paramater - * @user1: user defineable value - * @user2: user defineable value - */ -struct qaob { - u64 res0[6]; - u8 res1; - u8 res2; - u8 res3; - u8 aorc; - u8 flags; - u16 cbtbs; - u8 sb_count; - u64 sba[QDIO_MAX_ELEMENTS_PER_BUFFER]; - u16 dcount[QDIO_MAX_ELEMENTS_PER_BUFFER]; - u64 user0; - u64 res4[2]; - u64 user1; - u64 user2; -} __attribute__ ((packed, aligned(256))); - -/** - * struct slib - storage list information block (SLIB) - * @nsliba: next SLIB address (if any) - * @sla: SL address - * @slsba: SLSB address - * @slibe: SLIB elements - */ -struct slib { - u64 nsliba; - u64 sla; - u64 slsba; - /* private: */ - u8 res[1000]; - /* public: */ - struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(2048))); - -#define SBAL_EFLAGS_LAST_ENTRY 0x40 -#define SBAL_EFLAGS_CONTIGUOUS 0x20 -#define SBAL_EFLAGS_FIRST_FRAG 0x04 -#define SBAL_EFLAGS_MIDDLE_FRAG 0x08 -#define SBAL_EFLAGS_LAST_FRAG 0x0c -#define SBAL_EFLAGS_MASK 0x6f - -#define SBAL_SFLAGS0_PCI_REQ 0x40 -#define SBAL_SFLAGS0_DATA_CONTINUATION 0x20 - -/* Awesome OpenFCP extensions */ -#define SBAL_SFLAGS0_TYPE_STATUS 0x00 -#define SBAL_SFLAGS0_TYPE_WRITE 0x08 -#define SBAL_SFLAGS0_TYPE_READ 0x10 -#define SBAL_SFLAGS0_TYPE_WRITE_READ 0x18 -#define SBAL_SFLAGS0_MORE_SBALS 0x04 -#define SBAL_SFLAGS0_COMMAND 0x02 -#define SBAL_SFLAGS0_LAST_SBAL 0x00 -#define SBAL_SFLAGS0_ONLY_SBAL SBAL_SFLAGS0_COMMAND -#define SBAL_SFLAGS0_MIDDLE_SBAL SBAL_SFLAGS0_MORE_SBALS -#define SBAL_SFLAGS0_FIRST_SBAL (SBAL_SFLAGS0_MORE_SBALS | SBAL_SFLAGS0_COMMAND) - -/** - * struct qdio_buffer_element - SBAL entry - * @eflags: SBAL entry flags - * @scount: SBAL count - * @sflags: whole SBAL flags - * @length: length - * @addr: address -*/ -struct qdio_buffer_element { - u8 eflags; - /* private: */ - u8 res1; - /* public: */ - u8 scount; - u8 sflags; - u32 length; -#ifdef CONFIG_32BIT - /* private: */ - void *res2; - /* public: */ -#endif - void *addr; -} __attribute__ ((packed, aligned(16))); - -/** - * struct qdio_buffer - storage block address list (SBAL) - * @element: SBAL entries - */ -struct qdio_buffer { - struct qdio_buffer_element element[QDIO_MAX_ELEMENTS_PER_BUFFER]; -} __attribute__ ((packed, aligned(256))); - -/** - * struct sl_element - storage list entry - * @sbal: absolute SBAL address - */ -struct sl_element { -#ifdef CONFIG_32BIT - /* private: */ - unsigned long reserved; - /* public: */ -#endif - unsigned long sbal; -} __attribute__ ((packed)); - -/** - * struct sl - storage list (SL) - * @element: SL entries - */ -struct sl { - struct sl_element element[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(1024))); - -/** - * struct slsb - storage list state block (SLSB) - * @val: state per buffer - */ -struct slsb { - u8 val[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(256))); - -#define CHSC_AC2_MULTI_BUFFER_AVAILABLE 0x0080 -#define CHSC_AC2_MULTI_BUFFER_ENABLED 0x0040 -#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 -#define CHSC_AC2_DATA_DIV_ENABLED 0x0002 - -/** - * struct qdio_outbuf_state - SBAL related asynchronous operation information - * (for communication with upper layer programs) - * (only required for use with completion queues) - * @flags: flags indicating state of buffer - * @aob: pointer to QAOB used for the particular SBAL - * @user: pointer to upper layer program's state information related to SBAL - * (stored in user1 data of QAOB) - */ -struct qdio_outbuf_state { - u8 flags; - struct qaob *aob; - void *user; -}; - -#define QDIO_OUTBUF_STATE_FLAG_NONE 0x00 -#define QDIO_OUTBUF_STATE_FLAG_PENDING 0x01 - -#define CHSC_AC1_INITIATE_INPUTQ 0x80 - - -/* qdio adapter-characteristics-1 flag */ -#define AC1_SIGA_INPUT_NEEDED 0x40 /* process input queues */ -#define AC1_SIGA_OUTPUT_NEEDED 0x20 /* process output queues */ -#define AC1_SIGA_SYNC_NEEDED 0x10 /* ask hypervisor to sync */ -#define AC1_AUTOMATIC_SYNC_ON_THININT 0x08 /* set by hypervisor */ -#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI 0x04 /* set by hypervisor */ -#define AC1_SC_QEBSM_AVAILABLE 0x02 /* available for subchannel */ -#define AC1_SC_QEBSM_ENABLED 0x01 /* enabled for subchannel */ - -#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 -#define CHSC_AC2_DATA_DIV_ENABLED 0x0002 - -#define CHSC_AC3_FORMAT2_CQ_AVAILABLE 0x8000 - -struct qdio_ssqd_desc { - u8 flags; - u8:8; - u16 sch; - u8 qfmt; - u8 parm; - u8 qdioac1; - u8 sch_class; - u8 pcnt; - u8 icnt; - u8:8; - u8 ocnt; - u8:8; - u8 mbccnt; - u16 qdioac2; - u64 sch_token; - u8 mro; - u8 mri; - u16 qdioac3; - u16:16; - u8:8; - u8 mmwc; -} __attribute__ ((packed)); - -/* params are: ccw_device, qdio_error, queue_number, - first element processed, number of elements processed, int_parm */ -typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, - int, int, unsigned long); - -/* qdio errors reported to the upper-layer program */ -#define QDIO_ERROR_SIGA_TARGET 0x02 -#define QDIO_ERROR_SIGA_ACCESS_EXCEPTION 0x10 -#define QDIO_ERROR_SIGA_BUSY 0x20 -#define QDIO_ERROR_ACTIVATE_CHECK_CONDITION 0x40 -#define QDIO_ERROR_SLSB_STATE 0x80 - -/* for qdio_cleanup */ -#define QDIO_FLAG_CLEANUP_USING_CLEAR 0x01 -#define QDIO_FLAG_CLEANUP_USING_HALT 0x02 - -/** - * struct qdio_initialize - qdio initalization data - * @cdev: associated ccw device - * @q_format: queue format - * @adapter_name: name for the adapter - * @qib_param_field_format: format for qib_parm_field - * @qib_param_field: pointer to 128 bytes or NULL, if no param field - * @qib_rflags: rflags to set - * @input_slib_elements: pointer to no_input_qs * 128 words of data or NULL - * @output_slib_elements: pointer to no_output_qs * 128 words of data or NULL - * @no_input_qs: number of input queues - * @no_output_qs: number of output queues - * @input_handler: handler to be called for input queues - * @output_handler: handler to be called for output queues - * @queue_start_poll_array: polling handlers (one per input queue or NULL) - * @int_parm: interruption parameter - * @input_sbal_addr_array: address of no_input_qs * 128 pointers - * @output_sbal_addr_array: address of no_output_qs * 128 pointers - * @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL) - */ -struct qdio_initialize { - struct ccw_device *cdev; - unsigned char q_format; - unsigned char qdr_ac; - unsigned char adapter_name[8]; - unsigned int qib_param_field_format; - unsigned char *qib_param_field; - unsigned char qib_rflags; - unsigned long *input_slib_elements; - unsigned long *output_slib_elements; - unsigned int no_input_qs; - unsigned int no_output_qs; - qdio_handler_t *input_handler; - qdio_handler_t *output_handler; - void (**queue_start_poll_array) (struct ccw_device *, int, - unsigned long); - int scan_threshold; - unsigned long int_parm; - void **input_sbal_addr_array; - void **output_sbal_addr_array; - struct qdio_outbuf_state *output_sbal_state_array; -}; - -#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */ -#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */ -#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */ -#define QDIO_STATE_STOPPED 0x00000010 /* after queues went down */ - -#define QDIO_FLAG_SYNC_INPUT 0x01 -#define QDIO_FLAG_SYNC_OUTPUT 0x02 -#define QDIO_FLAG_PCI_OUT 0x10 - -extern int qdio_allocate(struct qdio_initialize *); -extern int qdio_establish(struct qdio_initialize *); -extern int qdio_activate(struct ccw_device *); -extern void qdio_release_aob(struct qaob *); -extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int, - unsigned int); -extern int qdio_start_irq(struct ccw_device *, int); -extern int qdio_stop_irq(struct ccw_device *, int); -extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *); -extern int qdio_shutdown(struct ccw_device *, int); -extern int qdio_free(struct ccw_device *); -extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *); - -#endif /* __QDIO_H__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/qeth.h b/ANDROID_3.4.5/arch/s390/include/asm/qeth.h deleted file mode 100644 index 2c7c898c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/qeth.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * include/asm-s390/qeth.h - * - * ioctl definitions for qeth driver - * - * Copyright (C) 2004 IBM Corporation - * - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * - */ -#ifndef __ASM_S390_QETH_IOCTL_H__ -#define __ASM_S390_QETH_IOCTL_H__ -#include <linux/types.h> -#include <linux/ioctl.h> - -#define SIOC_QETH_ARP_SET_NO_ENTRIES (SIOCDEVPRIVATE) -#define SIOC_QETH_ARP_QUERY_INFO (SIOCDEVPRIVATE + 1) -#define SIOC_QETH_ARP_ADD_ENTRY (SIOCDEVPRIVATE + 2) -#define SIOC_QETH_ARP_REMOVE_ENTRY (SIOCDEVPRIVATE + 3) -#define SIOC_QETH_ARP_FLUSH_CACHE (SIOCDEVPRIVATE + 4) -#define SIOC_QETH_ADP_SET_SNMP_CONTROL (SIOCDEVPRIVATE + 5) -#define SIOC_QETH_GET_CARD_TYPE (SIOCDEVPRIVATE + 6) -#define SIOC_QETH_QUERY_OAT (SIOCDEVPRIVATE + 7) - -struct qeth_arp_cache_entry { - __u8 macaddr[6]; - __u8 reserved1[2]; - __u8 ipaddr[16]; /* for both IPv4 and IPv6 */ - __u8 reserved2[32]; -} __attribute__ ((packed)); - -enum qeth_arp_ipaddrtype { - QETHARP_IP_ADDR_V4 = 1, - QETHARP_IP_ADDR_V6 = 2, -}; -struct qeth_arp_entrytype { - __u8 mac; - __u8 ip; -} __attribute__((packed)); - -#define QETH_QARP_MEDIASPECIFIC_BYTES 32 -#define QETH_QARP_MACADDRTYPE_BYTES 1 -struct qeth_arp_qi_entry7 { - __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES]; - struct qeth_arp_entrytype type; - __u8 macaddr[6]; - __u8 ipaddr[4]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry7_ipv6 { - __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES]; - struct qeth_arp_entrytype type; - __u8 macaddr[6]; - __u8 ipaddr[16]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry7_short { - struct qeth_arp_entrytype type; - __u8 macaddr[6]; - __u8 ipaddr[4]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry7_short_ipv6 { - struct qeth_arp_entrytype type; - __u8 macaddr[6]; - __u8 ipaddr[16]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry5 { - __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES]; - struct qeth_arp_entrytype type; - __u8 ipaddr[4]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry5_ipv6 { - __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES]; - struct qeth_arp_entrytype type; - __u8 ipaddr[16]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry5_short { - struct qeth_arp_entrytype type; - __u8 ipaddr[4]; -} __attribute__((packed)); - -struct qeth_arp_qi_entry5_short_ipv6 { - struct qeth_arp_entrytype type; - __u8 ipaddr[16]; -} __attribute__((packed)); -/* - * can be set by user if no "media specific information" is wanted - * -> saves a lot of space in user space buffer - */ -#define QETH_QARP_STRIP_ENTRIES 0x8000 -#define QETH_QARP_WITH_IPV6 0x4000 -#define QETH_QARP_REQUEST_MASK 0x00ff - -/* data sent to user space as result of query arp ioctl */ -#define QETH_QARP_USER_DATA_SIZE 20000 -#define QETH_QARP_MASK_OFFSET 4 -#define QETH_QARP_ENTRIES_OFFSET 6 -struct qeth_arp_query_user_data { - union { - __u32 data_len; /* set by user space program */ - __u32 no_entries; /* set by kernel */ - } u; - __u16 mask_bits; - char *entries; -} __attribute__((packed)); - -struct qeth_query_oat_data { - __u32 command; - __u32 buffer_len; - __u32 response_len; - __u64 ptr; -}; -#endif /* __ASM_S390_QETH_IOCTL_H__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/reset.h b/ANDROID_3.4.5/arch/s390/include/asm/reset.h deleted file mode 100644 index 3d6ad4ad..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/reset.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * include/asm-s390/reset.h - * - * Copyright IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#ifndef _ASM_S390_RESET_H -#define _ASM_S390_RESET_H - -#include <linux/list.h> - -struct reset_call { - struct list_head list; - void (*fn)(void); -}; - -extern void register_reset_call(struct reset_call *reset); -extern void unregister_reset_call(struct reset_call *reset); -extern void s390_reset_system(void (*func)(void *), void *data); -#endif /* _ASM_S390_RESET_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/resource.h b/ANDROID_3.4.5/arch/s390/include/asm/resource.h deleted file mode 100644 index 366c01de..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/resource.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * include/asm-s390/resource.h - * - * S390 version - * - * Derived from "include/asm-i386/resources.h" - */ - -#ifndef _S390_RESOURCE_H -#define _S390_RESOURCE_H - -#include <asm-generic/resource.h> - -#endif - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/rwsem.h b/ANDROID_3.4.5/arch/s390/include/asm/rwsem.h deleted file mode 100644 index d0eb4653..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/rwsem.h +++ /dev/null @@ -1,323 +0,0 @@ -#ifndef _S390_RWSEM_H -#define _S390_RWSEM_H - -/* - * include/asm-s390/rwsem.h - * - * S390 version - * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Based on asm-alpha/semaphore.h and asm-i386/rwsem.h - */ - -/* - * - * The MSW of the count is the negated number of active writers and waiting - * lockers, and the LSW is the total number of active locks - * - * The lock count is initialized to 0 (no active and no waiting lockers). - * - * When a writer subtracts WRITE_BIAS, it'll get 0xffff0001 for the case of an - * uncontended lock. This can be determined because XADD returns the old value. - * Readers increment by 1 and see a positive value when uncontended, negative - * if there are writers (and maybe) readers waiting (in which case it goes to - * sleep). - * - * The value of WAITING_BIAS supports up to 32766 waiting processes. This can - * be extended to 65534 by manually checking the whole MSW rather than relying - * on the S flag. - * - * The value of ACTIVE_BIAS supports up to 65535 active processes. - * - * This should be totally fair - if anything is waiting, a process that wants a - * lock will go to the back of the queue. When the currently active lock is - * released, if there's a writer at the front of the queue, then that and only - * that will be woken up; if there's a bunch of consequtive readers at the - * front, then they'll all be woken up, but no other readers will be. - */ - -#ifndef _LINUX_RWSEM_H -#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" -#endif - -#ifdef __KERNEL__ - -#ifndef __s390x__ -#define RWSEM_UNLOCKED_VALUE 0x00000000 -#define RWSEM_ACTIVE_BIAS 0x00000001 -#define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS (-0x00010000) -#else /* __s390x__ */ -#define RWSEM_UNLOCKED_VALUE 0x0000000000000000L -#define RWSEM_ACTIVE_BIAS 0x0000000000000001L -#define RWSEM_ACTIVE_MASK 0x00000000ffffffffL -#define RWSEM_WAITING_BIAS (-0x0000000100000000L) -#endif /* __s390x__ */ -#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) - -/* - * lock for reading - */ -static inline void __down_read(struct rw_semaphore *sem) -{ - signed long old, new; - - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " ahi %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " aghi %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS) - : "cc", "memory"); - if (old < 0) - rwsem_down_read_failed(sem); -} - -/* - * trylock for reading -- returns 1 if successful, 0 if contention - */ -static inline int __down_read_trylock(struct rw_semaphore *sem) -{ - signed long old, new; - - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: ltr %1,%0\n" - " jm 1f\n" - " ahi %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b\n" - "1:" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: ltgr %1,%0\n" - " jm 1f\n" - " aghi %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b\n" - "1:" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS) - : "cc", "memory"); - return old >= 0 ? 1 : 0; -} - -/* - * lock for writing - */ -static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) -{ - signed long old, new, tmp; - - tmp = RWSEM_ACTIVE_WRITE_BIAS; - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " a %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " ag %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "m" (tmp) - : "cc", "memory"); - if (old != 0) - rwsem_down_write_failed(sem); -} - -static inline void __down_write(struct rw_semaphore *sem) -{ - __down_write_nested(sem, 0); -} - -/* - * trylock for writing -- returns 1 if successful, 0 if contention - */ -static inline int __down_write_trylock(struct rw_semaphore *sem) -{ - signed long old; - - asm volatile( -#ifndef __s390x__ - " l %0,%1\n" - "0: ltr %0,%0\n" - " jnz 1f\n" - " cs %0,%3,%1\n" - " jl 0b\n" -#else /* __s390x__ */ - " lg %0,%1\n" - "0: ltgr %0,%0\n" - " jnz 1f\n" - " csg %0,%3,%1\n" - " jl 0b\n" -#endif /* __s390x__ */ - "1:" - : "=&d" (old), "=Q" (sem->count) - : "Q" (sem->count), "d" (RWSEM_ACTIVE_WRITE_BIAS) - : "cc", "memory"); - return (old == RWSEM_UNLOCKED_VALUE) ? 1 : 0; -} - -/* - * unlock after reading - */ -static inline void __up_read(struct rw_semaphore *sem) -{ - signed long old, new; - - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " ahi %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " aghi %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "i" (-RWSEM_ACTIVE_READ_BIAS) - : "cc", "memory"); - if (new < 0) - if ((new & RWSEM_ACTIVE_MASK) == 0) - rwsem_wake(sem); -} - -/* - * unlock after writing - */ -static inline void __up_write(struct rw_semaphore *sem) -{ - signed long old, new, tmp; - - tmp = -RWSEM_ACTIVE_WRITE_BIAS; - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " a %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " ag %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "m" (tmp) - : "cc", "memory"); - if (new < 0) - if ((new & RWSEM_ACTIVE_MASK) == 0) - rwsem_wake(sem); -} - -/* - * downgrade write lock to read lock - */ -static inline void __downgrade_write(struct rw_semaphore *sem) -{ - signed long old, new, tmp; - - tmp = -RWSEM_WAITING_BIAS; - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " a %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " ag %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "m" (tmp) - : "cc", "memory"); - if (new > 1) - rwsem_downgrade_wake(sem); -} - -/* - * implement atomic add functionality - */ -static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) -{ - signed long old, new; - - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " ar %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " agr %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "d" (delta) - : "cc", "memory"); -} - -/* - * implement exchange and add functionality - */ -static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) -{ - signed long old, new; - - asm volatile( -#ifndef __s390x__ - " l %0,%2\n" - "0: lr %1,%0\n" - " ar %1,%4\n" - " cs %0,%1,%2\n" - " jl 0b" -#else /* __s390x__ */ - " lg %0,%2\n" - "0: lgr %1,%0\n" - " agr %1,%4\n" - " csg %0,%1,%2\n" - " jl 0b" -#endif /* __s390x__ */ - : "=&d" (old), "=&d" (new), "=Q" (sem->count) - : "Q" (sem->count), "d" (delta) - : "cc", "memory"); - return new; -} - -#endif /* __KERNEL__ */ -#endif /* _S390_RWSEM_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/scatterlist.h b/ANDROID_3.4.5/arch/s390/include/asm/scatterlist.h deleted file mode 100644 index 6d45ef6c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/scatterlist.h +++ /dev/null @@ -1,3 +0,0 @@ -#include <asm-generic/scatterlist.h> - -#define ARCH_HAS_SG_CHAIN diff --git a/ANDROID_3.4.5/arch/s390/include/asm/schid.h b/ANDROID_3.4.5/arch/s390/include/asm/schid.h deleted file mode 100644 index 3e4d401b..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/schid.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef ASM_SCHID_H -#define ASM_SCHID_H - -#include <linux/types.h> - -struct subchannel_id { - __u32 cssid : 8; - __u32 : 4; - __u32 m : 1; - __u32 ssid : 2; - __u32 one : 1; - __u32 sch_no : 16; -} __attribute__ ((packed, aligned(4))); - -#ifdef __KERNEL__ -#include <linux/string.h> - -/* Helper function for sane state of pre-allocated subchannel_id. */ -static inline void -init_subchannel_id(struct subchannel_id *schid) -{ - memset(schid, 0, sizeof(struct subchannel_id)); - schid->one = 1; -} - -static inline int -schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2) -{ - return !memcmp(schid1, schid2, sizeof(struct subchannel_id)); -} - -#endif /* __KERNEL__ */ - -#endif /* ASM_SCHID_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sclp.h b/ANDROID_3.4.5/arch/s390/include/asm/sclp.h deleted file mode 100644 index fed7bee6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sclp.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * include/asm-s390/sclp.h - * - * Copyright IBM Corp. 2007 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#ifndef _ASM_S390_SCLP_H -#define _ASM_S390_SCLP_H - -#include <linux/types.h> -#include <asm/chpid.h> - -#define SCLP_CHP_INFO_MASK_SIZE 32 - -struct sclp_chp_info { - u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; - u8 standby[SCLP_CHP_INFO_MASK_SIZE]; - u8 configured[SCLP_CHP_INFO_MASK_SIZE]; -}; - -#define LOADPARM_LEN 8 - -struct sclp_ipl_info { - int is_valid; - int has_dump; - char loadparm[LOADPARM_LEN]; -}; - -struct sclp_cpu_entry { - u8 address; - u8 reserved0[13]; - u8 type; - u8 reserved1; -} __attribute__((packed)); - -struct sclp_cpu_info { - unsigned int configured; - unsigned int standby; - unsigned int combined; - int has_cpu_type; - struct sclp_cpu_entry cpu[255]; -}; - -int sclp_get_cpu_info(struct sclp_cpu_info *info); -int sclp_cpu_configure(u8 cpu); -int sclp_cpu_deconfigure(u8 cpu); -void sclp_facilities_detect(void); -unsigned long long sclp_get_rnmax(void); -unsigned long long sclp_get_rzm(void); -int sclp_sdias_blk_count(void); -int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); -int sclp_chp_configure(struct chp_id chpid); -int sclp_chp_deconfigure(struct chp_id chpid); -int sclp_chp_read_info(struct sclp_chp_info *info); -void sclp_get_ipl_info(struct sclp_ipl_info *info); - -#endif /* _ASM_S390_SCLP_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/scsw.h b/ANDROID_3.4.5/arch/s390/include/asm/scsw.h deleted file mode 100644 index de389cb5..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/scsw.h +++ /dev/null @@ -1,956 +0,0 @@ -/* - * Helper functions for scsw access. - * - * Copyright IBM Corp. 2008,2009 - * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_SCSW_H_ -#define _ASM_S390_SCSW_H_ - -#include <linux/types.h> -#include <asm/chsc.h> -#include <asm/cio.h> - -/** - * struct cmd_scsw - command-mode subchannel status word - * @key: subchannel key - * @sctl: suspend control - * @eswf: esw format - * @cc: deferred condition code - * @fmt: format - * @pfch: prefetch - * @isic: initial-status interruption control - * @alcc: address-limit checking control - * @ssi: suppress-suspended interruption - * @zcc: zero condition code - * @ectl: extended control - * @pno: path not operational - * @res: reserved - * @fctl: function control - * @actl: activity control - * @stctl: status control - * @cpa: channel program address - * @dstat: device status - * @cstat: subchannel status - * @count: residual count - */ -struct cmd_scsw { - __u32 key : 4; - __u32 sctl : 1; - __u32 eswf : 1; - __u32 cc : 2; - __u32 fmt : 1; - __u32 pfch : 1; - __u32 isic : 1; - __u32 alcc : 1; - __u32 ssi : 1; - __u32 zcc : 1; - __u32 ectl : 1; - __u32 pno : 1; - __u32 res : 1; - __u32 fctl : 3; - __u32 actl : 7; - __u32 stctl : 5; - __u32 cpa; - __u32 dstat : 8; - __u32 cstat : 8; - __u32 count : 16; -} __attribute__ ((packed)); - -/** - * struct tm_scsw - transport-mode subchannel status word - * @key: subchannel key - * @eswf: esw format - * @cc: deferred condition code - * @fmt: format - * @x: IRB-format control - * @q: interrogate-complete - * @ectl: extended control - * @pno: path not operational - * @fctl: function control - * @actl: activity control - * @stctl: status control - * @tcw: TCW address - * @dstat: device status - * @cstat: subchannel status - * @fcxs: FCX status - * @schxs: subchannel-extended status - */ -struct tm_scsw { - u32 key:4; - u32 :1; - u32 eswf:1; - u32 cc:2; - u32 fmt:3; - u32 x:1; - u32 q:1; - u32 :1; - u32 ectl:1; - u32 pno:1; - u32 :1; - u32 fctl:3; - u32 actl:7; - u32 stctl:5; - u32 tcw; - u32 dstat:8; - u32 cstat:8; - u32 fcxs:8; - u32 schxs:8; -} __attribute__ ((packed)); - -/** - * union scsw - subchannel status word - * @cmd: command-mode SCSW - * @tm: transport-mode SCSW - */ -union scsw { - struct cmd_scsw cmd; - struct tm_scsw tm; -} __attribute__ ((packed)); - -#define SCSW_FCTL_CLEAR_FUNC 0x1 -#define SCSW_FCTL_HALT_FUNC 0x2 -#define SCSW_FCTL_START_FUNC 0x4 - -#define SCSW_ACTL_SUSPENDED 0x1 -#define SCSW_ACTL_DEVACT 0x2 -#define SCSW_ACTL_SCHACT 0x4 -#define SCSW_ACTL_CLEAR_PEND 0x8 -#define SCSW_ACTL_HALT_PEND 0x10 -#define SCSW_ACTL_START_PEND 0x20 -#define SCSW_ACTL_RESUME_PEND 0x40 - -#define SCSW_STCTL_STATUS_PEND 0x1 -#define SCSW_STCTL_SEC_STATUS 0x2 -#define SCSW_STCTL_PRIM_STATUS 0x4 -#define SCSW_STCTL_INTER_STATUS 0x8 -#define SCSW_STCTL_ALERT_STATUS 0x10 - -#define DEV_STAT_ATTENTION 0x80 -#define DEV_STAT_STAT_MOD 0x40 -#define DEV_STAT_CU_END 0x20 -#define DEV_STAT_BUSY 0x10 -#define DEV_STAT_CHN_END 0x08 -#define DEV_STAT_DEV_END 0x04 -#define DEV_STAT_UNIT_CHECK 0x02 -#define DEV_STAT_UNIT_EXCEP 0x01 - -#define SCHN_STAT_PCI 0x80 -#define SCHN_STAT_INCORR_LEN 0x40 -#define SCHN_STAT_PROG_CHECK 0x20 -#define SCHN_STAT_PROT_CHECK 0x10 -#define SCHN_STAT_CHN_DATA_CHK 0x08 -#define SCHN_STAT_CHN_CTRL_CHK 0x04 -#define SCHN_STAT_INTF_CTRL_CHK 0x02 -#define SCHN_STAT_CHAIN_CHECK 0x01 - -/* - * architectured values for first sense byte - */ -#define SNS0_CMD_REJECT 0x80 -#define SNS_CMD_REJECT SNS0_CMD_REJEC -#define SNS0_INTERVENTION_REQ 0x40 -#define SNS0_BUS_OUT_CHECK 0x20 -#define SNS0_EQUIPMENT_CHECK 0x10 -#define SNS0_DATA_CHECK 0x08 -#define SNS0_OVERRUN 0x04 -#define SNS0_INCOMPL_DOMAIN 0x01 - -/* - * architectured values for second sense byte - */ -#define SNS1_PERM_ERR 0x80 -#define SNS1_INV_TRACK_FORMAT 0x40 -#define SNS1_EOC 0x20 -#define SNS1_MESSAGE_TO_OPER 0x10 -#define SNS1_NO_REC_FOUND 0x08 -#define SNS1_FILE_PROTECTED 0x04 -#define SNS1_WRITE_INHIBITED 0x02 -#define SNS1_INPRECISE_END 0x01 - -/* - * architectured values for third sense byte - */ -#define SNS2_REQ_INH_WRITE 0x80 -#define SNS2_CORRECTABLE 0x40 -#define SNS2_FIRST_LOG_ERR 0x20 -#define SNS2_ENV_DATA_PRESENT 0x10 -#define SNS2_INPRECISE_END 0x04 - -/** - * scsw_is_tm - check for transport mode scsw - * @scsw: pointer to scsw - * - * Return non-zero if the specified scsw is a transport mode scsw, zero - * otherwise. - */ -static inline int scsw_is_tm(union scsw *scsw) -{ - return css_general_characteristics.fcx && (scsw->tm.x == 1); -} - -/** - * scsw_key - return scsw key field - * @scsw: pointer to scsw - * - * Return the value of the key field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_key(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.key; - else - return scsw->cmd.key; -} - -/** - * scsw_eswf - return scsw eswf field - * @scsw: pointer to scsw - * - * Return the value of the eswf field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_eswf(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.eswf; - else - return scsw->cmd.eswf; -} - -/** - * scsw_cc - return scsw cc field - * @scsw: pointer to scsw - * - * Return the value of the cc field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_cc(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.cc; - else - return scsw->cmd.cc; -} - -/** - * scsw_ectl - return scsw ectl field - * @scsw: pointer to scsw - * - * Return the value of the ectl field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_ectl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.ectl; - else - return scsw->cmd.ectl; -} - -/** - * scsw_pno - return scsw pno field - * @scsw: pointer to scsw - * - * Return the value of the pno field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_pno(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.pno; - else - return scsw->cmd.pno; -} - -/** - * scsw_fctl - return scsw fctl field - * @scsw: pointer to scsw - * - * Return the value of the fctl field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_fctl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.fctl; - else - return scsw->cmd.fctl; -} - -/** - * scsw_actl - return scsw actl field - * @scsw: pointer to scsw - * - * Return the value of the actl field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_actl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.actl; - else - return scsw->cmd.actl; -} - -/** - * scsw_stctl - return scsw stctl field - * @scsw: pointer to scsw - * - * Return the value of the stctl field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_stctl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.stctl; - else - return scsw->cmd.stctl; -} - -/** - * scsw_dstat - return scsw dstat field - * @scsw: pointer to scsw - * - * Return the value of the dstat field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_dstat(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.dstat; - else - return scsw->cmd.dstat; -} - -/** - * scsw_cstat - return scsw cstat field - * @scsw: pointer to scsw - * - * Return the value of the cstat field of the specified scsw, regardless of - * whether it is a transport mode or command mode scsw. - */ -static inline u32 scsw_cstat(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw->tm.cstat; - else - return scsw->cmd.cstat; -} - -/** - * scsw_cmd_is_valid_key - check key field validity - * @scsw: pointer to scsw - * - * Return non-zero if the key field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_key(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_sctl - check fctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fctl field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_sctl(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_eswf - check eswf field validity - * @scsw: pointer to scsw - * - * Return non-zero if the eswf field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_eswf(union scsw *scsw) -{ - return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); -} - -/** - * scsw_cmd_is_valid_cc - check cc field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cc field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_cc(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && - (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); -} - -/** - * scsw_cmd_is_valid_fmt - check fmt field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fmt field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_fmt(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_pfch - check pfch field validity - * @scsw: pointer to scsw - * - * Return non-zero if the pfch field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_pfch(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_isic - check isic field validity - * @scsw: pointer to scsw - * - * Return non-zero if the isic field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_isic(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_alcc - check alcc field validity - * @scsw: pointer to scsw - * - * Return non-zero if the alcc field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_alcc(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_ssi - check ssi field validity - * @scsw: pointer to scsw - * - * Return non-zero if the ssi field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_ssi(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_cmd_is_valid_zcc - check zcc field validity - * @scsw: pointer to scsw - * - * Return non-zero if the zcc field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_zcc(union scsw *scsw) -{ - return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && - (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS); -} - -/** - * scsw_cmd_is_valid_ectl - check ectl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the ectl field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_ectl(union scsw *scsw) -{ - return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && - !(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && - (scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS); -} - -/** - * scsw_cmd_is_valid_pno - check pno field validity - * @scsw: pointer to scsw - * - * Return non-zero if the pno field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_pno(union scsw *scsw) -{ - return (scsw->cmd.fctl != 0) && - (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && - (!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) || - ((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && - (scsw->cmd.actl & SCSW_ACTL_SUSPENDED))); -} - -/** - * scsw_cmd_is_valid_fctl - check fctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fctl field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_fctl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_cmd_is_valid_actl - check actl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the actl field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_actl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_cmd_is_valid_stctl - check stctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the stctl field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_stctl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_cmd_is_valid_dstat - check dstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the dstat field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_dstat(union scsw *scsw) -{ - return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && - (scsw->cmd.cc != 3); -} - -/** - * scsw_cmd_is_valid_cstat - check cstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cstat field of the specified command mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_cmd_is_valid_cstat(union scsw *scsw) -{ - return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && - (scsw->cmd.cc != 3); -} - -/** - * scsw_tm_is_valid_key - check key field validity - * @scsw: pointer to scsw - * - * Return non-zero if the key field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_key(union scsw *scsw) -{ - return (scsw->tm.fctl & SCSW_FCTL_START_FUNC); -} - -/** - * scsw_tm_is_valid_eswf - check eswf field validity - * @scsw: pointer to scsw - * - * Return non-zero if the eswf field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_eswf(union scsw *scsw) -{ - return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); -} - -/** - * scsw_tm_is_valid_cc - check cc field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cc field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_cc(union scsw *scsw) -{ - return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) && - (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); -} - -/** - * scsw_tm_is_valid_fmt - check fmt field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fmt field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_fmt(union scsw *scsw) -{ - return 1; -} - -/** - * scsw_tm_is_valid_x - check x field validity - * @scsw: pointer to scsw - * - * Return non-zero if the x field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_x(union scsw *scsw) -{ - return 1; -} - -/** - * scsw_tm_is_valid_q - check q field validity - * @scsw: pointer to scsw - * - * Return non-zero if the q field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_q(union scsw *scsw) -{ - return 1; -} - -/** - * scsw_tm_is_valid_ectl - check ectl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the ectl field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_ectl(union scsw *scsw) -{ - return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && - !(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && - (scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS); -} - -/** - * scsw_tm_is_valid_pno - check pno field validity - * @scsw: pointer to scsw - * - * Return non-zero if the pno field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_pno(union scsw *scsw) -{ - return (scsw->tm.fctl != 0) && - (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && - (!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) || - ((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && - (scsw->tm.actl & SCSW_ACTL_SUSPENDED))); -} - -/** - * scsw_tm_is_valid_fctl - check fctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fctl field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_fctl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_tm_is_valid_actl - check actl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the actl field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_actl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_tm_is_valid_stctl - check stctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the stctl field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_stctl(union scsw *scsw) -{ - /* Only valid if pmcw.dnv == 1*/ - return 1; -} - -/** - * scsw_tm_is_valid_dstat - check dstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the dstat field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_dstat(union scsw *scsw) -{ - return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && - (scsw->tm.cc != 3); -} - -/** - * scsw_tm_is_valid_cstat - check cstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cstat field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_cstat(union scsw *scsw) -{ - return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && - (scsw->tm.cc != 3); -} - -/** - * scsw_tm_is_valid_fcxs - check fcxs field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fcxs field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_fcxs(union scsw *scsw) -{ - return 1; -} - -/** - * scsw_tm_is_valid_schxs - check schxs field validity - * @scsw: pointer to scsw - * - * Return non-zero if the schxs field of the specified transport mode scsw is - * valid, zero otherwise. - */ -static inline int scsw_tm_is_valid_schxs(union scsw *scsw) -{ - return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK | - SCHN_STAT_INTF_CTRL_CHK | - SCHN_STAT_PROT_CHECK | - SCHN_STAT_CHN_DATA_CHK)); -} - -/** - * scsw_is_valid_actl - check actl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the actl field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_actl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_actl(scsw); - else - return scsw_cmd_is_valid_actl(scsw); -} - -/** - * scsw_is_valid_cc - check cc field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cc field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_cc(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_cc(scsw); - else - return scsw_cmd_is_valid_cc(scsw); -} - -/** - * scsw_is_valid_cstat - check cstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the cstat field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_cstat(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_cstat(scsw); - else - return scsw_cmd_is_valid_cstat(scsw); -} - -/** - * scsw_is_valid_dstat - check dstat field validity - * @scsw: pointer to scsw - * - * Return non-zero if the dstat field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_dstat(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_dstat(scsw); - else - return scsw_cmd_is_valid_dstat(scsw); -} - -/** - * scsw_is_valid_ectl - check ectl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the ectl field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_ectl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_ectl(scsw); - else - return scsw_cmd_is_valid_ectl(scsw); -} - -/** - * scsw_is_valid_eswf - check eswf field validity - * @scsw: pointer to scsw - * - * Return non-zero if the eswf field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_eswf(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_eswf(scsw); - else - return scsw_cmd_is_valid_eswf(scsw); -} - -/** - * scsw_is_valid_fctl - check fctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the fctl field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_fctl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_fctl(scsw); - else - return scsw_cmd_is_valid_fctl(scsw); -} - -/** - * scsw_is_valid_key - check key field validity - * @scsw: pointer to scsw - * - * Return non-zero if the key field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_key(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_key(scsw); - else - return scsw_cmd_is_valid_key(scsw); -} - -/** - * scsw_is_valid_pno - check pno field validity - * @scsw: pointer to scsw - * - * Return non-zero if the pno field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_pno(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_pno(scsw); - else - return scsw_cmd_is_valid_pno(scsw); -} - -/** - * scsw_is_valid_stctl - check stctl field validity - * @scsw: pointer to scsw - * - * Return non-zero if the stctl field of the specified scsw is valid, - * regardless of whether it is a transport mode or command mode scsw. - * Return zero if the field does not contain a valid value. - */ -static inline int scsw_is_valid_stctl(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_valid_stctl(scsw); - else - return scsw_cmd_is_valid_stctl(scsw); -} - -/** - * scsw_cmd_is_solicited - check for solicited scsw - * @scsw: pointer to scsw - * - * Return non-zero if the command mode scsw indicates that the associated - * status condition is solicited, zero if it is unsolicited. - */ -static inline int scsw_cmd_is_solicited(union scsw *scsw) -{ - return (scsw->cmd.cc != 0) || (scsw->cmd.stctl != - (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); -} - -/** - * scsw_tm_is_solicited - check for solicited scsw - * @scsw: pointer to scsw - * - * Return non-zero if the transport mode scsw indicates that the associated - * status condition is solicited, zero if it is unsolicited. - */ -static inline int scsw_tm_is_solicited(union scsw *scsw) -{ - return (scsw->tm.cc != 0) || (scsw->tm.stctl != - (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); -} - -/** - * scsw_is_solicited - check for solicited scsw - * @scsw: pointer to scsw - * - * Return non-zero if the transport or command mode scsw indicates that the - * associated status condition is solicited, zero if it is unsolicited. - */ -static inline int scsw_is_solicited(union scsw *scsw) -{ - if (scsw_is_tm(scsw)) - return scsw_tm_is_solicited(scsw); - else - return scsw_cmd_is_solicited(scsw); -} - -#endif /* _ASM_S390_SCSW_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/seccomp.h b/ANDROID_3.4.5/arch/s390/include/asm/seccomp.h deleted file mode 100644 index 781a9cf9..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/seccomp.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef _ASM_S390_SECCOMP_H -#define _ASM_S390_SECCOMP_H - -#include <linux/unistd.h> - -#define __NR_seccomp_read __NR_read -#define __NR_seccomp_write __NR_write -#define __NR_seccomp_exit __NR_exit -#define __NR_seccomp_sigreturn __NR_sigreturn - -#define __NR_seccomp_read_32 __NR_read -#define __NR_seccomp_write_32 __NR_write -#define __NR_seccomp_exit_32 __NR_exit -#define __NR_seccomp_sigreturn_32 __NR_sigreturn - -#endif /* _ASM_S390_SECCOMP_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sections.h b/ANDROID_3.4.5/arch/s390/include/asm/sections.h deleted file mode 100644 index fbd9116e..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sections.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _S390_SECTIONS_H -#define _S390_SECTIONS_H - -#include <asm-generic/sections.h> - -extern char _eshared[], _ehead[]; - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/segment.h b/ANDROID_3.4.5/arch/s390/include/asm/segment.h deleted file mode 100644 index 8bfce347..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/segment.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef _ASM_SEGMENT_H -#define _ASM_SEGMENT_H - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sembuf.h b/ANDROID_3.4.5/arch/s390/include/asm/sembuf.h deleted file mode 100644 index 32626b0c..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sembuf.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef _S390_SEMBUF_H -#define _S390_SEMBUF_H - -/* - * The semid64_ds structure for S/390 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem (for !__s390x__) - * - 2 miscellaneous 32-bit values - */ - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ -#ifndef __s390x__ - unsigned long __unused1; -#endif /* ! __s390x__ */ - __kernel_time_t sem_ctime; /* last change time */ -#ifndef __s390x__ - unsigned long __unused2; -#endif /* ! __s390x__ */ - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _S390_SEMBUF_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/setup.h b/ANDROID_3.4.5/arch/s390/include/asm/setup.h deleted file mode 100644 index b21e46e5..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/setup.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * include/asm-s390/setup.h - * - * S390 version - * Copyright IBM Corp. 1999,2010 - */ - -#ifndef _ASM_S390_SETUP_H -#define _ASM_S390_SETUP_H - -#define COMMAND_LINE_SIZE 4096 - -#define ARCH_COMMAND_LINE_SIZE 896 - -#ifdef __KERNEL__ - -#define PARMAREA 0x10400 -#define MEMORY_CHUNKS 256 - -#ifndef __ASSEMBLY__ - -#include <asm/lowcore.h> -#include <asm/types.h> - -#ifndef __s390x__ -#define IPL_DEVICE (*(unsigned long *) (0x10404)) -#define INITRD_START (*(unsigned long *) (0x1040C)) -#define INITRD_SIZE (*(unsigned long *) (0x10414)) -#define OLDMEM_BASE (*(unsigned long *) (0x1041C)) -#define OLDMEM_SIZE (*(unsigned long *) (0x10424)) -#else /* __s390x__ */ -#define IPL_DEVICE (*(unsigned long *) (0x10400)) -#define INITRD_START (*(unsigned long *) (0x10408)) -#define INITRD_SIZE (*(unsigned long *) (0x10410)) -#define OLDMEM_BASE (*(unsigned long *) (0x10418)) -#define OLDMEM_SIZE (*(unsigned long *) (0x10420)) -#endif /* __s390x__ */ -#define COMMAND_LINE ((char *) (0x10480)) - -#define CHUNK_READ_WRITE 0 -#define CHUNK_READ_ONLY 1 -#define CHUNK_OLDMEM 4 -#define CHUNK_CRASHK 5 - -struct mem_chunk { - unsigned long addr; - unsigned long size; - int type; -}; - -extern struct mem_chunk memory_chunk[]; -extern unsigned long real_memory_size; -extern int memory_end_set; -extern unsigned long memory_end; - -void detect_memory_layout(struct mem_chunk chunk[]); -void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr, - unsigned long size, int type); - -#define PRIMARY_SPACE_MODE 0 -#define ACCESS_REGISTER_MODE 1 -#define SECONDARY_SPACE_MODE 2 -#define HOME_SPACE_MODE 3 - -extern unsigned int user_mode; - -/* - * Machine features detected in head.S - */ - -#define MACHINE_FLAG_VM (1UL << 0) -#define MACHINE_FLAG_IEEE (1UL << 1) -#define MACHINE_FLAG_CSP (1UL << 3) -#define MACHINE_FLAG_MVPG (1UL << 4) -#define MACHINE_FLAG_DIAG44 (1UL << 5) -#define MACHINE_FLAG_IDTE (1UL << 6) -#define MACHINE_FLAG_DIAG9C (1UL << 7) -#define MACHINE_FLAG_MVCOS (1UL << 8) -#define MACHINE_FLAG_KVM (1UL << 9) -#define MACHINE_FLAG_HPAGE (1UL << 10) -#define MACHINE_FLAG_PFMF (1UL << 11) -#define MACHINE_FLAG_LPAR (1UL << 12) -#define MACHINE_FLAG_SPP (1UL << 13) -#define MACHINE_FLAG_TOPOLOGY (1UL << 14) -#define MACHINE_FLAG_STCKF (1UL << 15) - -#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) -#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) -#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) - -#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) - -#ifndef __s390x__ -#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE) -#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP) -#define MACHINE_HAS_IDTE (0) -#define MACHINE_HAS_DIAG44 (1) -#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG) -#define MACHINE_HAS_MVCOS (0) -#define MACHINE_HAS_HPAGE (0) -#define MACHINE_HAS_PFMF (0) -#define MACHINE_HAS_SPP (0) -#define MACHINE_HAS_TOPOLOGY (0) -#define MACHINE_HAS_STCKF (0) -#else /* __s390x__ */ -#define MACHINE_HAS_IEEE (1) -#define MACHINE_HAS_CSP (1) -#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) -#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) -#define MACHINE_HAS_MVPG (1) -#define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) -#define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE) -#define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) -#define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) -#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) -#define MACHINE_HAS_STCKF (S390_lowcore.machine_flags & MACHINE_FLAG_STCKF) -#endif /* __s390x__ */ - -#define ZFCPDUMP_HSA_SIZE (32UL<<20) -#define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) - -/* - * Console mode. Override with conmode= - */ -extern unsigned int console_mode; -extern unsigned int console_devno; -extern unsigned int console_irq; - -extern char vmhalt_cmd[]; -extern char vmpoff_cmd[]; - -#define CONSOLE_IS_UNDEFINED (console_mode == 0) -#define CONSOLE_IS_SCLP (console_mode == 1) -#define CONSOLE_IS_3215 (console_mode == 2) -#define CONSOLE_IS_3270 (console_mode == 3) -#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) -#define SET_CONSOLE_3215 do { console_mode = 2; } while (0) -#define SET_CONSOLE_3270 do { console_mode = 3; } while (0) - -#define NSS_NAME_SIZE 8 -extern char kernel_nss_name[]; - -#ifdef CONFIG_PFAULT -extern int pfault_init(void); -extern void pfault_fini(void); -#else /* CONFIG_PFAULT */ -#define pfault_init() ({-1;}) -#define pfault_fini() do { } while (0) -#endif /* CONFIG_PFAULT */ - -extern void cmma_init(void); - -extern void (*_machine_restart)(char *command); -extern void (*_machine_halt)(void); -extern void (*_machine_power_off)(void); - -#else /* __ASSEMBLY__ */ - -#ifndef __s390x__ -#define IPL_DEVICE 0x10404 -#define INITRD_START 0x1040C -#define INITRD_SIZE 0x10414 -#define OLDMEM_BASE 0x1041C -#define OLDMEM_SIZE 0x10424 -#else /* __s390x__ */ -#define IPL_DEVICE 0x10400 -#define INITRD_START 0x10408 -#define INITRD_SIZE 0x10410 -#define OLDMEM_BASE 0x10418 -#define OLDMEM_SIZE 0x10420 -#endif /* __s390x__ */ -#define COMMAND_LINE 0x10480 - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ -#endif /* _ASM_S390_SETUP_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sfp-machine.h b/ANDROID_3.4.5/arch/s390/include/asm/sfp-machine.h deleted file mode 100644 index 4e16aede..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sfp-machine.h +++ /dev/null @@ -1,142 +0,0 @@ -/* Machine-dependent software floating-point definitions. - S/390 kernel version. - Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@cygnus.com), - Jakub Jelinek (jj@ultra.linux.cz), - David S. Miller (davem@redhat.com) and - Peter Maydell (pmaydell@chiark.greenend.org.uk). - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef _SFP_MACHINE_H -#define _SFP_MACHINE_H - - -#define _FP_W_TYPE_SIZE 32 -#define _FP_W_TYPE unsigned int -#define _FP_WS_TYPE signed int -#define _FP_I_TYPE int - -#define _FP_MUL_MEAT_S(R,X,Y) \ - _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) -#define _FP_MUL_MEAT_D(R,X,Y) \ - _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) -#define _FP_MUL_MEAT_Q(R,X,Y) \ - _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) - -#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) -#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) -#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) - -#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) -#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 -#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 -#define _FP_NANSIGN_S 0 -#define _FP_NANSIGN_D 0 -#define _FP_NANSIGN_Q 0 - -#define _FP_KEEPNANFRACP 1 - -/* - * If one NaN is signaling and the other is not, - * we choose that one, otherwise we choose X. - */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ - do { \ - if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ - && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ - { \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R,Y); \ - } \ - else \ - { \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R,X); \ - } \ - R##_c = FP_CLS_NAN; \ - } while (0) - -/* Some assembly to speed things up. */ -#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) ({ \ - unsigned int __r2 = (x2) + (y2); \ - unsigned int __r1 = (x1); \ - unsigned int __r0 = (x0); \ - asm volatile( \ - " alr %2,%3\n" \ - " brc 12,0f\n" \ - " lhi 0,1\n" \ - " alr %1,0\n" \ - " brc 12,0f\n" \ - " alr %0,0\n" \ - "0:" \ - : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \ - : "d" (y0), "i" (1) : "cc", "0" ); \ - asm volatile( \ - " alr %1,%2\n" \ - " brc 12,0f\n" \ - " ahi %0,1\n" \ - "0:" \ - : "+&d" (__r2), "+&d" (__r1) \ - : "d" (y1) : "cc"); \ - (r2) = __r2; \ - (r1) = __r1; \ - (r0) = __r0; \ -}) - -#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) ({ \ - unsigned int __r2 = (x2) - (y2); \ - unsigned int __r1 = (x1); \ - unsigned int __r0 = (x0); \ - asm volatile( \ - " slr %2,%3\n" \ - " brc 3,0f\n" \ - " lhi 0,1\n" \ - " slr %1,0\n" \ - " brc 3,0f\n" \ - " slr %0,0\n" \ - "0:" \ - : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0) \ - : "d" (y0) : "cc", "0"); \ - asm volatile( \ - " slr %1,%2\n" \ - " brc 3,0f\n" \ - " ahi %0,-1\n" \ - "0:" \ - : "+&d" (__r2), "+&d" (__r1) \ - : "d" (y1) : "cc"); \ - (r2) = __r2; \ - (r1) = __r1; \ - (r0) = __r0; \ -}) - -#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0) - -/* Obtain the current rounding mode. */ -#define FP_ROUNDMODE mode - -/* Exception flags. */ -#define FP_EX_INVALID 0x800000 -#define FP_EX_DIVZERO 0x400000 -#define FP_EX_OVERFLOW 0x200000 -#define FP_EX_UNDERFLOW 0x100000 -#define FP_EX_INEXACT 0x080000 - -/* We write the results always */ -#define FP_INHIBIT_RESULTS 0 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sfp-util.h b/ANDROID_3.4.5/arch/s390/include/asm/sfp-util.h deleted file mode 100644 index ca3f8814..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sfp-util.h +++ /dev/null @@ -1,77 +0,0 @@ -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <asm/byteorder.h> - -#define add_ssaaaa(sh, sl, ah, al, bh, bl) ({ \ - unsigned int __sh = (ah); \ - unsigned int __sl = (al); \ - asm volatile( \ - " alr %1,%3\n" \ - " brc 12,0f\n" \ - " ahi %0,1\n" \ - "0: alr %0,%2" \ - : "+&d" (__sh), "+d" (__sl) \ - : "d" (bh), "d" (bl) : "cc"); \ - (sh) = __sh; \ - (sl) = __sl; \ -}) - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) ({ \ - unsigned int __sh = (ah); \ - unsigned int __sl = (al); \ - asm volatile( \ - " slr %1,%3\n" \ - " brc 3,0f\n" \ - " ahi %0,-1\n" \ - "0: slr %0,%2" \ - : "+&d" (__sh), "+d" (__sl) \ - : "d" (bh), "d" (bl) : "cc"); \ - (sh) = __sh; \ - (sl) = __sl; \ -}) - -/* a umul b = a mul b + (a>=2<<31) ? b<<32:0 + (b>=2<<31) ? a<<32:0 */ -#define umul_ppmm(wh, wl, u, v) ({ \ - unsigned int __wh = u; \ - unsigned int __wl = v; \ - asm volatile( \ - " ltr 1,%0\n" \ - " mr 0,%1\n" \ - " jnm 0f\n" \ - " alr 0,%1\n" \ - "0: ltr %1,%1\n" \ - " jnm 1f\n" \ - " alr 0,%0\n" \ - "1: lr %0,0\n" \ - " lr %1,1\n" \ - : "+d" (__wh), "+d" (__wl) \ - : : "0", "1", "cc"); \ - wh = __wh; \ - wl = __wl; \ -}) - -#ifdef __s390x__ -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { unsigned long __n; \ - unsigned int __r, __d; \ - __n = ((unsigned long)(n1) << 32) + n0; \ - __d = (d); \ - (q) = __n / __d; \ - (r) = __n % __d; \ - } while (0) -#else -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { unsigned int __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ - (r) = __r; \ - } while (0) -extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int, - unsigned int , unsigned int); -#endif - -#define UDIV_NEEDS_NORMALIZATION 0 - -#define abort() BUG() - -#define __BYTE_ORDER __BIG_ENDIAN diff --git a/ANDROID_3.4.5/arch/s390/include/asm/shmbuf.h b/ANDROID_3.4.5/arch/s390/include/asm/shmbuf.h deleted file mode 100644 index eed2e280..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/shmbuf.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef _S390_SHMBUF_H -#define _S390_SHMBUF_H - -/* - * The shmid64_ds structure for S/390 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem (for !__s390x__) - * - 2 miscellaneous 32-bit values - */ - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ -#ifndef __s390x__ - unsigned long __unused1; -#endif /* ! __s390x__ */ - __kernel_time_t shm_dtime; /* last detach time */ -#ifndef __s390x__ - unsigned long __unused2; -#endif /* ! __s390x__ */ - __kernel_time_t shm_ctime; /* last change time */ -#ifndef __s390x__ - unsigned long __unused3; -#endif /* ! __s390x__ */ - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _S390_SHMBUF_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/shmparam.h b/ANDROID_3.4.5/arch/s390/include/asm/shmparam.h deleted file mode 100644 index c2e0c050..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/shmparam.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * include/asm-s390/shmparam.h - * - * S390 version - * - * Derived from "include/asm-i386/shmparam.h" - */ -#ifndef _ASM_S390_SHMPARAM_H -#define _ASM_S390_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* _ASM_S390_SHMPARAM_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sigcontext.h b/ANDROID_3.4.5/arch/s390/include/asm/sigcontext.h deleted file mode 100644 index aeb6e0b1..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sigcontext.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * include/asm-s390/sigcontext.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - */ - -#ifndef _ASM_S390_SIGCONTEXT_H -#define _ASM_S390_SIGCONTEXT_H - -#include <linux/compiler.h> - -#define __NUM_GPRS 16 -#define __NUM_FPRS 16 -#define __NUM_ACRS 16 - -#ifndef __s390x__ - -/* Has to be at least _NSIG_WORDS from asm/signal.h */ -#define _SIGCONTEXT_NSIG 64 -#define _SIGCONTEXT_NSIG_BPW 32 -/* Size of stack frame allocated when calling signal handler. */ -#define __SIGNAL_FRAMESIZE 96 - -#else /* __s390x__ */ - -/* Has to be at least _NSIG_WORDS from asm/signal.h */ -#define _SIGCONTEXT_NSIG 64 -#define _SIGCONTEXT_NSIG_BPW 64 -/* Size of stack frame allocated when calling signal handler. */ -#define __SIGNAL_FRAMESIZE 160 - -#endif /* __s390x__ */ - -#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW) -#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS) - -typedef struct -{ - unsigned long mask; - unsigned long addr; -} __attribute__ ((aligned(8))) _psw_t; - -typedef struct -{ - _psw_t psw; - unsigned long gprs[__NUM_GPRS]; - unsigned int acrs[__NUM_ACRS]; -} _s390_regs_common; - -typedef struct -{ - unsigned int fpc; - double fprs[__NUM_FPRS]; -} _s390_fp_regs; - -typedef struct -{ - _s390_regs_common regs; - _s390_fp_regs fpregs; -} _sigregs; - -struct sigcontext -{ - unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS]; - _sigregs __user *sregs; -}; - - -#endif - diff --git a/ANDROID_3.4.5/arch/s390/include/asm/siginfo.h b/ANDROID_3.4.5/arch/s390/include/asm/siginfo.h deleted file mode 100644 index e0ff1ab0..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/siginfo.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * include/asm-s390/siginfo.h - * - * S390 version - * - * Derived from "include/asm-i386/siginfo.h" - */ - -#ifndef _S390_SIGINFO_H -#define _S390_SIGINFO_H - -#ifdef __s390x__ -#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) -#endif - -#include <asm-generic/siginfo.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/signal.h b/ANDROID_3.4.5/arch/s390/include/asm/signal.h deleted file mode 100644 index cdf5cb2f..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/signal.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * include/asm-s390/signal.h - * - * S390 version - * - * Derived from "include/asm-i386/signal.h" - */ - -#ifndef _ASMS390_SIGNAL_H -#define _ASMS390_SIGNAL_H - -#include <linux/types.h> -#include <linux/time.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; -struct pt_regs; - -#ifdef __KERNEL__ -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ -#include <asm/sigcontext.h> -#define _NSIG _SIGCONTEXT_NSIG -#define _NSIG_BPW _SIGCONTEXT_NSIG_BPW -#define _NSIG_WORDS _SIGCONTEXT_NSIG_WORDS - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -#include <asm-generic/signal-defs.h> - -#ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; -#ifndef __s390x__ /* lovely */ - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -#else /* __s390x__ */ - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; -#endif /* __s390x__ */ -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/smp.h b/ANDROID_3.4.5/arch/s390/include/asm/smp.h deleted file mode 100644 index c77c6de6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/smp.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright IBM Corp. 1999,2012 - * Author(s): Denis Joseph Barrow, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - */ -#ifndef __ASM_SMP_H -#define __ASM_SMP_H - -#ifdef CONFIG_SMP - -#include <asm/lowcore.h> - -#define raw_smp_processor_id() (S390_lowcore.cpu_nr) - -extern struct mutex smp_cpu_state_mutex; -extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; - -extern int __cpu_up(unsigned int cpu); - -extern void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); - -extern void smp_call_online_cpu(void (*func)(void *), void *); -extern void smp_call_ipl_cpu(void (*func)(void *), void *); - -extern int smp_find_processor_id(u16 address); -extern int smp_store_status(int cpu); -extern int smp_vcpu_scheduled(int cpu); -extern void smp_yield_cpu(int cpu); -extern void smp_yield(void); -extern void smp_stop_cpu(void); - -#else /* CONFIG_SMP */ - -static inline void smp_call_ipl_cpu(void (*func)(void *), void *data) -{ - func(data); -} - -static inline void smp_call_online_cpu(void (*func)(void *), void *data) -{ - func(data); -} - -static inline int smp_find_processor_id(int address) { return 0; } -static inline int smp_vcpu_scheduled(int cpu) { return 1; } -static inline void smp_yield_cpu(int cpu) { } -static inline void smp_yield(void) { } -static inline void smp_stop_cpu(void) { } - -#endif /* CONFIG_SMP */ - -#ifdef CONFIG_HOTPLUG_CPU -extern int smp_rescan_cpus(void); -extern void __noreturn cpu_die(void); -extern void __cpu_die(unsigned int cpu); -extern int __cpu_disable(void); -#else -static inline int smp_rescan_cpus(void) { return 0; } -static inline void cpu_die(void) { } -#endif - -#endif /* __ASM_SMP_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/socket.h b/ANDROID_3.4.5/arch/s390/include/asm/socket.h deleted file mode 100644 index c91b7209..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/socket.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * include/asm-s390/socket.h - * - * S390 version - * - * Derived from "include/asm-i386/socket.h" - */ - -#ifndef _ASM_SOCKET_H -#define _ASM_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockopt(2) */ -#define SOL_SOCKET 1 - -#define SO_DEBUG 1 -#define SO_REUSEADDR 2 -#define SO_TYPE 3 -#define SO_ERROR 4 -#define SO_DONTROUTE 5 -#define SO_BROADCAST 6 -#define SO_SNDBUF 7 -#define SO_RCVBUF 8 -#define SO_SNDBUFFORCE 32 -#define SO_RCVBUFFORCE 33 -#define SO_KEEPALIVE 9 -#define SO_OOBINLINE 10 -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_LINGER 13 -#define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ -#define SO_PASSCRED 16 -#define SO_PEERCRED 17 -#define SO_RCVLOWAT 18 -#define SO_SNDLOWAT 19 -#define SO_RCVTIMEO 20 -#define SO_SNDTIMEO 21 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 22 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 -#define SO_SECURITY_ENCRYPTION_NETWORK 24 - -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_ACCEPTCONN 30 - -#define SO_PEERSEC 31 -#define SO_PASSSEC 34 -#define SO_TIMESTAMPNS 35 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -#define SO_MARK 36 - -#define SO_TIMESTAMPING 37 -#define SCM_TIMESTAMPING SO_TIMESTAMPING - -#define SO_PROTOCOL 38 -#define SO_DOMAIN 39 - -#define SO_RXQ_OVFL 40 - -#define SO_WIFI_STATUS 41 -#define SCM_WIFI_STATUS SO_WIFI_STATUS -#define SO_PEEK_OFF 42 - -/* Instruct lower device to use last 4-bytes of skb data as FCS */ -#define SO_NOFCS 43 - -#endif /* _ASM_SOCKET_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sockios.h b/ANDROID_3.4.5/arch/s390/include/asm/sockios.h deleted file mode 100644 index 6f60eee7..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sockios.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_S390_SOCKIOS_H -#define _ASM_S390_SOCKIOS_H - -#include <asm-generic/sockios.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sparsemem.h b/ANDROID_3.4.5/arch/s390/include/asm/sparsemem.h deleted file mode 100644 index 0fb34027..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sparsemem.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _ASM_S390_SPARSEMEM_H -#define _ASM_S390_SPARSEMEM_H - -#ifdef CONFIG_64BIT - -#define SECTION_SIZE_BITS 28 -#define MAX_PHYSADDR_BITS 46 -#define MAX_PHYSMEM_BITS 46 - -#else - -#define SECTION_SIZE_BITS 25 -#define MAX_PHYSADDR_BITS 31 -#define MAX_PHYSMEM_BITS 31 - -#endif /* CONFIG_64BIT */ - -#endif /* _ASM_S390_SPARSEMEM_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/spinlock.h b/ANDROID_3.4.5/arch/s390/include/asm/spinlock.h deleted file mode 100644 index fd94dfec..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/spinlock.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * include/asm-s390/spinlock.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/spinlock.h" - */ - -#ifndef __ASM_SPINLOCK_H -#define __ASM_SPINLOCK_H - -#include <linux/smp.h> - -extern int spin_retry; - -static inline int -_raw_compare_and_swap(volatile unsigned int *lock, - unsigned int old, unsigned int new) -{ - asm volatile( - " cs %0,%3,%1" - : "=d" (old), "=Q" (*lock) - : "0" (old), "d" (new), "Q" (*lock) - : "cc", "memory" ); - return old; -} - -/* - * Simple spin lock operations. There are two variants, one clears IRQ's - * on the local processor, one does not. - * - * We make no fairness assumptions. They have a cost. - * - * (the type definitions are in asm/spinlock_types.h) - */ - -#define arch_spin_is_locked(x) ((x)->owner_cpu != 0) -#define arch_spin_unlock_wait(lock) \ - do { while (arch_spin_is_locked(lock)) \ - arch_spin_relax(lock); } while (0) - -extern void arch_spin_lock_wait(arch_spinlock_t *); -extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags); -extern int arch_spin_trylock_retry(arch_spinlock_t *); -extern void arch_spin_relax(arch_spinlock_t *lock); - -static inline void arch_spin_lock(arch_spinlock_t *lp) -{ - int old; - - old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id()); - if (likely(old == 0)) - return; - arch_spin_lock_wait(lp); -} - -static inline void arch_spin_lock_flags(arch_spinlock_t *lp, - unsigned long flags) -{ - int old; - - old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id()); - if (likely(old == 0)) - return; - arch_spin_lock_wait_flags(lp, flags); -} - -static inline int arch_spin_trylock(arch_spinlock_t *lp) -{ - int old; - - old = _raw_compare_and_swap(&lp->owner_cpu, 0, ~smp_processor_id()); - if (likely(old == 0)) - return 1; - return arch_spin_trylock_retry(lp); -} - -static inline void arch_spin_unlock(arch_spinlock_t *lp) -{ - _raw_compare_and_swap(&lp->owner_cpu, lp->owner_cpu, 0); -} - -/* - * Read-write spinlocks, allowing multiple readers - * but only one writer. - * - * NOTE! it is quite common to have readers in interrupts - * but no interrupt writers. For those circumstances we - * can "mix" irq-safe locks - any writer needs to get a - * irq-safe write-lock, but readers can get non-irqsafe - * read-locks. - */ - -/** - * read_can_lock - would read_trylock() succeed? - * @lock: the rwlock in question. - */ -#define arch_read_can_lock(x) ((int)(x)->lock >= 0) - -/** - * write_can_lock - would write_trylock() succeed? - * @lock: the rwlock in question. - */ -#define arch_write_can_lock(x) ((x)->lock == 0) - -extern void _raw_read_lock_wait(arch_rwlock_t *lp); -extern void _raw_read_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags); -extern int _raw_read_trylock_retry(arch_rwlock_t *lp); -extern void _raw_write_lock_wait(arch_rwlock_t *lp); -extern void _raw_write_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags); -extern int _raw_write_trylock_retry(arch_rwlock_t *lp); - -static inline void arch_read_lock(arch_rwlock_t *rw) -{ - unsigned int old; - old = rw->lock & 0x7fffffffU; - if (_raw_compare_and_swap(&rw->lock, old, old + 1) != old) - _raw_read_lock_wait(rw); -} - -static inline void arch_read_lock_flags(arch_rwlock_t *rw, unsigned long flags) -{ - unsigned int old; - old = rw->lock & 0x7fffffffU; - if (_raw_compare_and_swap(&rw->lock, old, old + 1) != old) - _raw_read_lock_wait_flags(rw, flags); -} - -static inline void arch_read_unlock(arch_rwlock_t *rw) -{ - unsigned int old, cmp; - - old = rw->lock; - do { - cmp = old; - old = _raw_compare_and_swap(&rw->lock, old, old - 1); - } while (cmp != old); -} - -static inline void arch_write_lock(arch_rwlock_t *rw) -{ - if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0)) - _raw_write_lock_wait(rw); -} - -static inline void arch_write_lock_flags(arch_rwlock_t *rw, unsigned long flags) -{ - if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0)) - _raw_write_lock_wait_flags(rw, flags); -} - -static inline void arch_write_unlock(arch_rwlock_t *rw) -{ - _raw_compare_and_swap(&rw->lock, 0x80000000, 0); -} - -static inline int arch_read_trylock(arch_rwlock_t *rw) -{ - unsigned int old; - old = rw->lock & 0x7fffffffU; - if (likely(_raw_compare_and_swap(&rw->lock, old, old + 1) == old)) - return 1; - return _raw_read_trylock_retry(rw); -} - -static inline int arch_write_trylock(arch_rwlock_t *rw) -{ - if (likely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)) - return 1; - return _raw_write_trylock_retry(rw); -} - -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - -#endif /* __ASM_SPINLOCK_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/spinlock_types.h b/ANDROID_3.4.5/arch/s390/include/asm/spinlock_types.h deleted file mode 100644 index 9c76656a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/spinlock_types.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef __ASM_SPINLOCK_TYPES_H -#define __ASM_SPINLOCK_TYPES_H - -#ifndef __LINUX_SPINLOCK_TYPES_H -# error "please don't include this file directly" -#endif - -typedef struct { - volatile unsigned int owner_cpu; -} __attribute__ ((aligned (4))) arch_spinlock_t; - -#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } - -typedef struct { - volatile unsigned int lock; -} arch_rwlock_t; - -#define __ARCH_RW_LOCK_UNLOCKED { 0 } - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/stat.h b/ANDROID_3.4.5/arch/s390/include/asm/stat.h deleted file mode 100644 index d92959ee..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/stat.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * include/asm-s390/stat.h - * - * S390 version - * - * Derived from "include/asm-i386/stat.h" - */ - -#ifndef _S390_STAT_H -#define _S390_STAT_H - -#ifndef __s390x__ -struct __old_kernel_stat { - unsigned short st_dev; - unsigned short st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_mtime; - unsigned long st_ctime; -}; - -struct stat { - unsigned short st_dev; - unsigned short __pad1; - unsigned long st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned short __pad2; - unsigned long st_size; - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; - unsigned long __unused4; - unsigned long __unused5; -}; - -/* This matches struct stat64 in glibc2.1, hence the absolutely - * insane amounts of padding around dev_t's. - */ -struct stat64 { - unsigned long long st_dev; - unsigned int __pad1; -#define STAT64_HAS_BROKEN_ST_INO 1 - unsigned long __st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned long st_uid; - unsigned long st_gid; - unsigned long long st_rdev; - unsigned int __pad3; - long long st_size; - unsigned long st_blksize; - unsigned char __pad4[4]; - unsigned long __pad5; /* future possible st_blocks high bits */ - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; /* will be high 32 bits of ctime someday */ - unsigned long long st_ino; -}; - -#else /* __s390x__ */ - -struct stat { - unsigned long st_dev; - unsigned long st_ino; - unsigned long st_nlink; - unsigned int st_mode; - unsigned int st_uid; - unsigned int st_gid; - unsigned int __pad1; - unsigned long st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; - unsigned long st_blksize; - long st_blocks; - unsigned long __unused[3]; -}; - -#endif /* __s390x__ */ - -#define STAT_HAVE_NSEC 1 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/statfs.h b/ANDROID_3.4.5/arch/s390/include/asm/statfs.h deleted file mode 100644 index 3be7fbd4..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/statfs.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * include/asm-s390/statfs.h - * - * S390 version - * - * Derived from "include/asm-i386/statfs.h" - */ - -#ifndef _S390_STATFS_H -#define _S390_STATFS_H - -#ifndef __s390x__ -#include <asm-generic/statfs.h> -#else -/* - * We can't use <asm-generic/statfs.h> because in 64-bit mode - * we mix ints of different sizes in our struct statfs. - */ - -#ifndef __KERNEL_STRICT_NAMES -#include <linux/types.h> -typedef __kernel_fsid_t fsid_t; -#endif - -struct statfs { - int f_type; - int f_bsize; - long f_blocks; - long f_bfree; - long f_bavail; - long f_files; - long f_ffree; - __kernel_fsid_t f_fsid; - int f_namelen; - int f_frsize; - int f_flags; - int f_spare[4]; -}; - -struct statfs64 { - int f_type; - int f_bsize; - long f_blocks; - long f_bfree; - long f_bavail; - long f_files; - long f_ffree; - __kernel_fsid_t f_fsid; - int f_namelen; - int f_frsize; - int f_flags; - int f_spare[4]; -}; - -struct compat_statfs64 { - __u32 f_type; - __u32 f_bsize; - __u64 f_blocks; - __u64 f_bfree; - __u64 f_bavail; - __u64 f_files; - __u64 f_ffree; - __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_flags; - __u32 f_spare[4]; -}; - -#endif /* __s390x__ */ -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/string.h b/ANDROID_3.4.5/arch/s390/include/asm/string.h deleted file mode 100644 index cd0241db..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/string.h +++ /dev/null @@ -1,157 +0,0 @@ -/* - * include/asm-s390/string.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - */ - -#ifndef _S390_STRING_H_ -#define _S390_STRING_H_ - -#ifdef __KERNEL__ - -#ifndef _LINUX_TYPES_H -#include <linux/types.h> -#endif - -#define __HAVE_ARCH_MEMCHR /* inline & arch function */ -#define __HAVE_ARCH_MEMCMP /* arch function */ -#define __HAVE_ARCH_MEMCPY /* gcc builtin & arch function */ -#define __HAVE_ARCH_MEMSCAN /* inline & arch function */ -#define __HAVE_ARCH_MEMSET /* gcc builtin & arch function */ -#define __HAVE_ARCH_STRCAT /* inline & arch function */ -#define __HAVE_ARCH_STRCMP /* arch function */ -#define __HAVE_ARCH_STRCPY /* inline & arch function */ -#define __HAVE_ARCH_STRLCAT /* arch function */ -#define __HAVE_ARCH_STRLCPY /* arch function */ -#define __HAVE_ARCH_STRLEN /* inline & arch function */ -#define __HAVE_ARCH_STRNCAT /* arch function */ -#define __HAVE_ARCH_STRNCPY /* arch function */ -#define __HAVE_ARCH_STRNLEN /* inline & arch function */ -#define __HAVE_ARCH_STRRCHR /* arch function */ -#define __HAVE_ARCH_STRSTR /* arch function */ - -/* Prototypes for non-inlined arch strings functions. */ -extern int memcmp(const void *, const void *, size_t); -extern void *memcpy(void *, const void *, size_t); -extern void *memset(void *, int, size_t); -extern int strcmp(const char *,const char *); -extern size_t strlcat(char *, const char *, size_t); -extern size_t strlcpy(char *, const char *, size_t); -extern char *strncat(char *, const char *, size_t); -extern char *strncpy(char *, const char *, size_t); -extern char *strrchr(const char *, int); -extern char *strstr(const char *, const char *); - -#undef __HAVE_ARCH_MEMMOVE -#undef __HAVE_ARCH_STRCHR -#undef __HAVE_ARCH_STRNCHR -#undef __HAVE_ARCH_STRNCMP -#undef __HAVE_ARCH_STRNICMP -#undef __HAVE_ARCH_STRPBRK -#undef __HAVE_ARCH_STRSEP -#undef __HAVE_ARCH_STRSPN - -#if !defined(IN_ARCH_STRING_C) - -static inline void *memchr(const void * s, int c, size_t n) -{ - register int r0 asm("0") = (char) c; - const void *ret = s + n; - - asm volatile( - "0: srst %0,%1\n" - " jo 0b\n" - " jl 1f\n" - " la %0,0\n" - "1:" - : "+a" (ret), "+&a" (s) : "d" (r0) : "cc"); - return (void *) ret; -} - -static inline void *memscan(void *s, int c, size_t n) -{ - register int r0 asm("0") = (char) c; - const void *ret = s + n; - - asm volatile( - "0: srst %0,%1\n" - " jo 0b\n" - : "+a" (ret), "+&a" (s) : "d" (r0) : "cc"); - return (void *) ret; -} - -static inline char *strcat(char *dst, const char *src) -{ - register int r0 asm("0") = 0; - unsigned long dummy; - char *ret = dst; - - asm volatile( - "0: srst %0,%1\n" - " jo 0b\n" - "1: mvst %0,%2\n" - " jo 1b" - : "=&a" (dummy), "+a" (dst), "+a" (src) - : "d" (r0), "0" (0) : "cc", "memory" ); - return ret; -} - -static inline char *strcpy(char *dst, const char *src) -{ -#if __GNUC__ < 4 - register int r0 asm("0") = 0; - char *ret = dst; - - asm volatile( - "0: mvst %0,%1\n" - " jo 0b" - : "+&a" (dst), "+&a" (src) : "d" (r0) - : "cc", "memory"); - return ret; -#else - return __builtin_strcpy(dst, src); -#endif -} - -static inline size_t strlen(const char *s) -{ -#if __GNUC__ < 4 - register unsigned long r0 asm("0") = 0; - const char *tmp = s; - - asm volatile( - "0: srst %0,%1\n" - " jo 0b" - : "+d" (r0), "+a" (tmp) : : "cc"); - return r0 - (unsigned long) s; -#else - return __builtin_strlen(s); -#endif -} - -static inline size_t strnlen(const char * s, size_t n) -{ - register int r0 asm("0") = 0; - const char *tmp = s; - const char *end = s + n; - - asm volatile( - "0: srst %0,%1\n" - " jo 0b" - : "+a" (end), "+a" (tmp) : "d" (r0) : "cc"); - return end - s; -} -#else /* IN_ARCH_STRING_C */ -void *memchr(const void * s, int c, size_t n); -void *memscan(void *s, int c, size_t n); -char *strcat(char *dst, const char *src); -char *strcpy(char *dst, const char *src); -size_t strlen(const char *s); -size_t strnlen(const char * s, size_t n); -#endif /* !IN_ARCH_STRING_C */ - -#endif /* __KERNEL__ */ - -#endif /* __S390_STRING_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/swab.h b/ANDROID_3.4.5/arch/s390/include/asm/swab.h deleted file mode 100644 index a3e4ebb3..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/swab.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef _S390_SWAB_H -#define _S390_SWAB_H - -/* - * include/asm-s390/swab.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#include <linux/types.h> - -#ifndef __s390x__ -# define __SWAB_64_THRU_32__ -#endif - -#ifdef __s390x__ -static inline __u64 __arch_swab64p(const __u64 *x) -{ - __u64 result; - - asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x)); - return result; -} -#define __arch_swab64p __arch_swab64p - -static inline __u64 __arch_swab64(__u64 x) -{ - __u64 result; - - asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x)); - return result; -} -#define __arch_swab64 __arch_swab64 - -static inline void __arch_swab64s(__u64 *x) -{ - *x = __arch_swab64p(x); -} -#define __arch_swab64s __arch_swab64s -#endif /* __s390x__ */ - -static inline __u32 __arch_swab32p(const __u32 *x) -{ - __u32 result; - - asm volatile( -#ifndef __s390x__ - " icm %0,8,%O1+3(%R1)\n" - " icm %0,4,%O1+2(%R1)\n" - " icm %0,2,%O1+1(%R1)\n" - " ic %0,%1" - : "=&d" (result) : "Q" (*x) : "cc"); -#else /* __s390x__ */ - " lrv %0,%1" - : "=d" (result) : "m" (*x)); -#endif /* __s390x__ */ - return result; -} -#define __arch_swab32p __arch_swab32p - -#ifdef __s390x__ -static inline __u32 __arch_swab32(__u32 x) -{ - __u32 result; - - asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x)); - return result; -} -#define __arch_swab32 __arch_swab32 -#endif /* __s390x__ */ - -static inline __u16 __arch_swab16p(const __u16 *x) -{ - __u16 result; - - asm volatile( -#ifndef __s390x__ - " icm %0,2,%O1+1(%R1)\n" - " ic %0,%1\n" - : "=&d" (result) : "Q" (*x) : "cc"); -#else /* __s390x__ */ - " lrvh %0,%1" - : "=d" (result) : "m" (*x)); -#endif /* __s390x__ */ - return result; -} -#define __arch_swab16p __arch_swab16p - -#endif /* _S390_SWAB_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/switch_to.h b/ANDROID_3.4.5/arch/s390/include/asm/switch_to.h deleted file mode 100644 index f223068b..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/switch_to.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright IBM Corp. 1999, 2009 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef __ASM_SWITCH_TO_H -#define __ASM_SWITCH_TO_H - -#include <linux/thread_info.h> - -extern struct task_struct *__switch_to(void *, void *); -extern void update_per_regs(struct task_struct *task); - -static inline void save_fp_regs(s390_fp_regs *fpregs) -{ - asm volatile( - " std 0,%O0+8(%R0)\n" - " std 2,%O0+24(%R0)\n" - " std 4,%O0+40(%R0)\n" - " std 6,%O0+56(%R0)" - : "=Q" (*fpregs) : "Q" (*fpregs)); - if (!MACHINE_HAS_IEEE) - return; - asm volatile( - " stfpc %0\n" - " std 1,%O0+16(%R0)\n" - " std 3,%O0+32(%R0)\n" - " std 5,%O0+48(%R0)\n" - " std 7,%O0+64(%R0)\n" - " std 8,%O0+72(%R0)\n" - " std 9,%O0+80(%R0)\n" - " std 10,%O0+88(%R0)\n" - " std 11,%O0+96(%R0)\n" - " std 12,%O0+104(%R0)\n" - " std 13,%O0+112(%R0)\n" - " std 14,%O0+120(%R0)\n" - " std 15,%O0+128(%R0)\n" - : "=Q" (*fpregs) : "Q" (*fpregs)); -} - -static inline void restore_fp_regs(s390_fp_regs *fpregs) -{ - asm volatile( - " ld 0,%O0+8(%R0)\n" - " ld 2,%O0+24(%R0)\n" - " ld 4,%O0+40(%R0)\n" - " ld 6,%O0+56(%R0)" - : : "Q" (*fpregs)); - if (!MACHINE_HAS_IEEE) - return; - asm volatile( - " lfpc %0\n" - " ld 1,%O0+16(%R0)\n" - " ld 3,%O0+32(%R0)\n" - " ld 5,%O0+48(%R0)\n" - " ld 7,%O0+64(%R0)\n" - " ld 8,%O0+72(%R0)\n" - " ld 9,%O0+80(%R0)\n" - " ld 10,%O0+88(%R0)\n" - " ld 11,%O0+96(%R0)\n" - " ld 12,%O0+104(%R0)\n" - " ld 13,%O0+112(%R0)\n" - " ld 14,%O0+120(%R0)\n" - " ld 15,%O0+128(%R0)\n" - : : "Q" (*fpregs)); -} - -static inline void save_access_regs(unsigned int *acrs) -{ - asm volatile("stam 0,15,%0" : "=Q" (*acrs)); -} - -static inline void restore_access_regs(unsigned int *acrs) -{ - asm volatile("lam 0,15,%0" : : "Q" (*acrs)); -} - -#define switch_to(prev,next,last) do { \ - if (prev->mm) { \ - save_fp_regs(&prev->thread.fp_regs); \ - save_access_regs(&prev->thread.acrs[0]); \ - } \ - if (next->mm) { \ - restore_fp_regs(&next->thread.fp_regs); \ - restore_access_regs(&next->thread.acrs[0]); \ - update_per_regs(next); \ - } \ - prev = __switch_to(prev,next); \ -} while (0) - -extern void account_vtime(struct task_struct *, struct task_struct *); -extern void account_tick_vtime(struct task_struct *); - -#define finish_arch_switch(prev) do { \ - set_fs(current->thread.mm_segment); \ - account_vtime(prev, current); \ -} while (0) - -#endif /* __ASM_SWITCH_TO_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/syscall.h b/ANDROID_3.4.5/arch/s390/include/asm/syscall.h deleted file mode 100644 index fb214dd9..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/syscall.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Access to user system call parameters and results - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ - -#ifndef _ASM_SYSCALL_H -#define _ASM_SYSCALL_H 1 - -#include <linux/sched.h> -#include <linux/err.h> -#include <asm/ptrace.h> - -/* - * The syscall table always contains 32 bit pointers since we know that the - * address of the function to be called is (way) below 4GB. So the "int" - * type here is what we want [need] for both 32 bit and 64 bit systems. - */ -extern const unsigned int sys_call_table[]; - -static inline long syscall_get_nr(struct task_struct *task, - struct pt_regs *regs) -{ - return test_tsk_thread_flag(task, TIF_SYSCALL) ? - (regs->int_code & 0xffff) : -1; -} - -static inline void syscall_rollback(struct task_struct *task, - struct pt_regs *regs) -{ - regs->gprs[2] = regs->orig_gpr2; -} - -static inline long syscall_get_error(struct task_struct *task, - struct pt_regs *regs) -{ - return IS_ERR_VALUE(regs->gprs[2]) ? regs->gprs[2] : 0; -} - -static inline long syscall_get_return_value(struct task_struct *task, - struct pt_regs *regs) -{ - return regs->gprs[2]; -} - -static inline void syscall_set_return_value(struct task_struct *task, - struct pt_regs *regs, - int error, long val) -{ - regs->gprs[2] = error ? -error : val; -} - -static inline void syscall_get_arguments(struct task_struct *task, - struct pt_regs *regs, - unsigned int i, unsigned int n, - unsigned long *args) -{ - unsigned long mask = -1UL; - - BUG_ON(i + n > 6); -#ifdef CONFIG_COMPAT - if (test_tsk_thread_flag(task, TIF_31BIT)) - mask = 0xffffffff; -#endif - while (n-- > 0) - if (i + n > 0) - args[n] = regs->gprs[2 + i + n] & mask; - if (i == 0) - args[0] = regs->orig_gpr2 & mask; -} - -static inline void syscall_set_arguments(struct task_struct *task, - struct pt_regs *regs, - unsigned int i, unsigned int n, - const unsigned long *args) -{ - BUG_ON(i + n > 6); - while (n-- > 0) - if (i + n > 0) - regs->gprs[2 + i + n] = args[n]; - if (i == 0) - regs->orig_gpr2 = args[0]; -} - -#endif /* _ASM_SYSCALL_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/sysinfo.h b/ANDROID_3.4.5/arch/s390/include/asm/sysinfo.h deleted file mode 100644 index 79d3d6e2..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/sysinfo.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * definition for store system information stsi - * - * Copyright IBM Corp. 2001,2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Ulrich Weigand <weigand@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#ifndef __ASM_S390_SYSINFO_H -#define __ASM_S390_SYSINFO_H - -#include <asm/bitsperlong.h> - -struct sysinfo_1_1_1 { - unsigned short :16; - unsigned char ccr; - unsigned char cai; - char reserved_0[28]; - char manufacturer[16]; - char type[4]; - char reserved_1[12]; - char model_capacity[16]; - char sequence[16]; - char plant[4]; - char model[16]; - char model_perm_cap[16]; - char model_temp_cap[16]; - char model_cap_rating[4]; - char model_perm_cap_rating[4]; - char model_temp_cap_rating[4]; -}; - -struct sysinfo_1_2_1 { - char reserved_0[80]; - char sequence[16]; - char plant[4]; - char reserved_1[2]; - unsigned short cpu_address; -}; - -struct sysinfo_1_2_2 { - char format; - char reserved_0[1]; - unsigned short acc_offset; - char reserved_1[24]; - unsigned int secondary_capability; - unsigned int capability; - unsigned short cpus_total; - unsigned short cpus_configured; - unsigned short cpus_standby; - unsigned short cpus_reserved; - unsigned short adjustment[0]; -}; - -struct sysinfo_1_2_2_extension { - unsigned int alt_capability; - unsigned short alt_adjustment[0]; -}; - -struct sysinfo_2_2_1 { - char reserved_0[80]; - char sequence[16]; - char plant[4]; - unsigned short cpu_id; - unsigned short cpu_address; -}; - -struct sysinfo_2_2_2 { - char reserved_0[32]; - unsigned short lpar_number; - char reserved_1; - unsigned char characteristics; - unsigned short cpus_total; - unsigned short cpus_configured; - unsigned short cpus_standby; - unsigned short cpus_reserved; - char name[8]; - unsigned int caf; - char reserved_2[16]; - unsigned short cpus_dedicated; - unsigned short cpus_shared; -}; - -#define LPAR_CHAR_DEDICATED (1 << 7) -#define LPAR_CHAR_SHARED (1 << 6) -#define LPAR_CHAR_LIMITED (1 << 5) - -struct sysinfo_3_2_2 { - char reserved_0[31]; - unsigned char :4; - unsigned char count:4; - struct { - char reserved_0[4]; - unsigned short cpus_total; - unsigned short cpus_configured; - unsigned short cpus_standby; - unsigned short cpus_reserved; - char name[8]; - unsigned int caf; - char cpi[16]; - char reserved_1[24]; - - } vm[8]; - char reserved_544[3552]; -}; - -#define TOPOLOGY_CPU_BITS 64 -#define TOPOLOGY_NR_MAG 6 - -struct topology_cpu { - unsigned char reserved0[4]; - unsigned char :6; - unsigned char pp:2; - unsigned char reserved1; - unsigned short origin; - unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG]; -}; - -struct topology_container { - unsigned char reserved[7]; - unsigned char id; -}; - -union topology_entry { - unsigned char nl; - struct topology_cpu cpu; - struct topology_container container; -}; - -struct sysinfo_15_1_x { - unsigned char reserved0[2]; - unsigned short length; - unsigned char mag[TOPOLOGY_NR_MAG]; - unsigned char reserved1; - unsigned char mnest; - unsigned char reserved2[4]; - union topology_entry tle[0]; -}; - -static inline int stsi(void *sysinfo, int fc, int sel1, int sel2) -{ - register int r0 asm("0") = (fc << 28) | sel1; - register int r1 asm("1") = sel2; - - asm volatile( - " stsi 0(%2)\n" - "0: jz 2f\n" - "1: lhi %0,%3\n" - "2:\n" - EX_TABLE(0b, 1b) - : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS) - : "cc", "memory"); - return r0; -} - -/* - * Service level reporting interface. - */ -struct service_level { - struct list_head list; - void (*seq_print)(struct seq_file *, struct service_level *); -}; - -int register_service_level(struct service_level *); -int unregister_service_level(struct service_level *); - -#endif /* __ASM_S390_SYSINFO_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/tape390.h b/ANDROID_3.4.5/arch/s390/include/asm/tape390.h deleted file mode 100644 index 884fba48..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/tape390.h +++ /dev/null @@ -1,103 +0,0 @@ -/************************************************************************* - * - * tape390.h - * enables user programs to display messages and control encryption - * on s390 tape devices - * - * Copyright IBM Corp. 2001,2006 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - * - *************************************************************************/ - -#ifndef _TAPE390_H -#define _TAPE390_H - -#define TAPE390_DISPLAY _IOW('d', 1, struct display_struct) - -/* - * The TAPE390_DISPLAY ioctl calls the Load Display command - * which transfers 17 bytes of data from the channel to the subsystem: - * - 1 format control byte, and - * - two 8-byte messages - * - * Format control byte: - * 0-2: New Message Overlay - * 3: Alternate Messages - * 4: Blink Message - * 5: Display Low/High Message - * 6: Reserved - * 7: Automatic Load Request - * - */ - -typedef struct display_struct { - char cntrl; - char message1[8]; - char message2[8]; -} display_struct; - -/* - * Tape encryption support - */ - -struct tape390_crypt_info { - char capability; - char status; - char medium_status; -} __attribute__ ((packed)); - - -/* Macros for "capable" field */ -#define TAPE390_CRYPT_SUPPORTED_MASK 0x01 -#define TAPE390_CRYPT_SUPPORTED(x) \ - ((x.capability & TAPE390_CRYPT_SUPPORTED_MASK)) - -/* Macros for "status" field */ -#define TAPE390_CRYPT_ON_MASK 0x01 -#define TAPE390_CRYPT_ON(x) (((x.status) & TAPE390_CRYPT_ON_MASK)) - -/* Macros for "medium status" field */ -#define TAPE390_MEDIUM_LOADED_MASK 0x01 -#define TAPE390_MEDIUM_ENCRYPTED_MASK 0x02 -#define TAPE390_MEDIUM_ENCRYPTED(x) \ - (((x.medium_status) & TAPE390_MEDIUM_ENCRYPTED_MASK)) -#define TAPE390_MEDIUM_LOADED(x) \ - (((x.medium_status) & TAPE390_MEDIUM_LOADED_MASK)) - -/* - * The TAPE390_CRYPT_SET ioctl is used to switch on/off encryption. - * The "encryption_capable" and "tape_status" fields are ignored for this ioctl! - */ -#define TAPE390_CRYPT_SET _IOW('d', 2, struct tape390_crypt_info) - -/* - * The TAPE390_CRYPT_QUERY ioctl is used to query the encryption state. - */ -#define TAPE390_CRYPT_QUERY _IOR('d', 3, struct tape390_crypt_info) - -/* Values for "kekl1/2_type" and "kekl1/2_type_on_tape" fields */ -#define TAPE390_KEKL_TYPE_NONE 0 -#define TAPE390_KEKL_TYPE_LABEL 1 -#define TAPE390_KEKL_TYPE_HASH 2 - -struct tape390_kekl { - unsigned char type; - unsigned char type_on_tape; - char label[65]; -} __attribute__ ((packed)); - -struct tape390_kekl_pair { - struct tape390_kekl kekl[2]; -} __attribute__ ((packed)); - -/* - * The TAPE390_KEKL_SET ioctl is used to set Key Encrypting Key labels. - */ -#define TAPE390_KEKL_SET _IOW('d', 4, struct tape390_kekl_pair) - -/* - * The TAPE390_KEKL_QUERY ioctl is used to query Key Encrypting Key labels. - */ -#define TAPE390_KEKL_QUERY _IOR('d', 5, struct tape390_kekl_pair) - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/termbits.h b/ANDROID_3.4.5/arch/s390/include/asm/termbits.h deleted file mode 100644 index 71bf6ac6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/termbits.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_S390_TERMBITS_H -#define _ASM_S390_TERMBITS_H - -#include <asm-generic/termbits.h> - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/termios.h b/ANDROID_3.4.5/arch/s390/include/asm/termios.h deleted file mode 100644 index bc3a35ce..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/termios.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * include/asm-s390/termios.h - * - * S390 version - * - * Derived from "include/asm-i386/termios.h" - */ - -#ifndef _S390_TERMIOS_H -#define _S390_TERMIOS_H - -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ - -/* intr=^C quit=^\ erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" - -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) - -#include <asm-generic/termios-base.h> - -#endif /* __KERNEL__ */ - -#endif /* _S390_TERMIOS_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/thread_info.h b/ANDROID_3.4.5/arch/s390/include/asm/thread_info.h deleted file mode 100644 index a7303815..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/thread_info.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * include/asm-s390/thread_info.h - * - * S390 version - * Copyright (C) IBM Corp. 2002,2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#ifndef _ASM_THREAD_INFO_H -#define _ASM_THREAD_INFO_H - -#ifdef __KERNEL__ - -/* - * Size of kernel stack for each process - */ -#ifndef __s390x__ -#define THREAD_ORDER 1 -#define ASYNC_ORDER 1 -#else /* __s390x__ */ -#ifndef __SMALL_STACK -#define THREAD_ORDER 2 -#define ASYNC_ORDER 2 -#else -#define THREAD_ORDER 1 -#define ASYNC_ORDER 1 -#endif -#endif /* __s390x__ */ - -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) -#define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER) - -#ifndef __ASSEMBLY__ -#include <asm/lowcore.h> -#include <asm/page.h> -#include <asm/processor.h> - -/* - * low level task data that entry.S needs immediate access to - * - this struct should fit entirely inside of one cache line - * - this struct shares the supervisor stack pages - * - if the contents of this structure are changed, the assembly constants must also be changed - */ -struct thread_info { - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - unsigned long flags; /* low level flags */ - unsigned int cpu; /* current CPU */ - int preempt_count; /* 0 => preemptable, <0 => BUG */ - struct restart_block restart_block; - unsigned int system_call; - __u64 user_timer; - __u64 system_timer; - unsigned long last_break; /* last breaking-event-address. */ -}; - -/* - * macros/functions for gaining access to the thread information structure - */ -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .cpu = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ -} - -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) - -/* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) -{ - return (struct thread_info *) S390_lowcore.thread_info; -} - -#define THREAD_SIZE_ORDER THREAD_ORDER - -#endif - -/* - * thread information flags bit numbers - */ -#define TIF_SYSCALL 0 /* inside a system call */ -#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ -#define TIF_SIGPENDING 2 /* signal pending */ -#define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -#define TIF_PER_TRAP 6 /* deliver sigtrap on return to user */ -#define TIF_MCCK_PENDING 7 /* machine check handling is pending */ -#define TIF_SYSCALL_TRACE 8 /* syscall trace active */ -#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ -#define TIF_SECCOMP 10 /* secure computing */ -#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -#define TIF_SIE 12 /* guest execution active */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ -#define TIF_31BIT 17 /* 32bit process */ -#define TIF_MEMDIE 18 /* is terminating due to OOM killer */ -#define TIF_RESTORE_SIGMASK 19 /* restore signal mask in do_signal() */ -#define TIF_SINGLE_STEP 20 /* This task is single stepped */ - -#define _TIF_SYSCALL (1<<TIF_SYSCALL) -#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_PER_TRAP (1<<TIF_PER_TRAP) -#define _TIF_MCCK_PENDING (1<<TIF_MCCK_PENDING) -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_SECCOMP (1<<TIF_SECCOMP) -#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) -#define _TIF_SIE (1<<TIF_SIE) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_31BIT (1<<TIF_31BIT) -#define _TIF_SINGLE_STEP (1<<TIF_SINGLE_STEP) - -#ifdef CONFIG_64BIT -#define is_32bit_task() (test_thread_flag(TIF_31BIT)) -#else -#define is_32bit_task() (1) -#endif - -#endif /* __KERNEL__ */ - -#define PREEMPT_ACTIVE 0x4000000 - -#endif /* _ASM_THREAD_INFO_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/timer.h b/ANDROID_3.4.5/arch/s390/include/asm/timer.h deleted file mode 100644 index e63069ba..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/timer.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * include/asm-s390/timer.h - * - * (C) Copyright IBM Corp. 2003,2006 - * Virtual CPU timer - * - * Author: Jan Glauber (jang@de.ibm.com) - */ - -#ifndef _ASM_S390_TIMER_H -#define _ASM_S390_TIMER_H - -#ifdef __KERNEL__ - -#include <linux/timer.h> - -#define VTIMER_MAX_SLICE (0x7ffffffffffff000LL) - -struct vtimer_list { - struct list_head entry; - - int cpu; - __u64 expires; - __u64 interval; - - void (*function)(unsigned long); - unsigned long data; -}; - -/* the vtimer value will wrap after ca. 71 years */ -struct vtimer_queue { - struct list_head list; - spinlock_t lock; - __u64 timer; /* last programmed timer */ - __u64 elapsed; /* elapsed time of timer expire values */ - __u64 idle_enter; /* cpu timer on idle enter */ - __u64 idle_exit; /* cpu timer on idle exit */ -}; - -extern void init_virt_timer(struct vtimer_list *timer); -extern void add_virt_timer(void *new); -extern void add_virt_timer_periodic(void *new); -extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires); -extern int mod_virt_timer_periodic(struct vtimer_list *timer, __u64 expires); -extern int del_virt_timer(struct vtimer_list *timer); - -extern void init_cpu_vtimer(void); -extern void vtime_init(void); - -extern void vtime_stop_cpu(void); -extern void vtime_start_leave(void); - -#endif /* __KERNEL__ */ - -#endif /* _ASM_S390_TIMER_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/timex.h b/ANDROID_3.4.5/arch/s390/include/asm/timex.h deleted file mode 100644 index c447a27a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/timex.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * include/asm-s390/timex.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * - * Derived from "include/asm-i386/timex.h" - * Copyright (C) 1992, Linus Torvalds - */ - -#ifndef _ASM_S390_TIMEX_H -#define _ASM_S390_TIMEX_H - -#include <asm/lowcore.h> - -/* The value of the TOD clock for 1.1.1970. */ -#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL - -/* Inline functions for clock register access. */ -static inline int set_clock(__u64 time) -{ - int cc; - - asm volatile( - " sck %1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) : "Q" (time) : "cc"); - return cc; -} - -static inline int store_clock(__u64 *time) -{ - int cc; - - asm volatile( - " stck %1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc), "=Q" (*time) : : "cc"); - return cc; -} - -static inline void set_clock_comparator(__u64 time) -{ - asm volatile("sckc %0" : : "Q" (time)); -} - -static inline void store_clock_comparator(__u64 *time) -{ - asm volatile("stckc %0" : "=Q" (*time)); -} - -void clock_comparator_work(void); - -static inline unsigned long long local_tick_disable(void) -{ - unsigned long long old; - - old = S390_lowcore.clock_comparator; - S390_lowcore.clock_comparator = -1ULL; - set_clock_comparator(S390_lowcore.clock_comparator); - return old; -} - -static inline void local_tick_enable(unsigned long long comp) -{ - S390_lowcore.clock_comparator = comp; - set_clock_comparator(S390_lowcore.clock_comparator); -} - -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ - -typedef unsigned long long cycles_t; - -static inline unsigned long long get_clock (void) -{ - unsigned long long clk; - - asm volatile("stck %0" : "=Q" (clk) : : "cc"); - return clk; -} - -static inline void get_clock_ext(char *clk) -{ - asm volatile("stcke %0" : "=Q" (*clk) : : "cc"); -} - -static inline unsigned long long get_clock_fast(void) -{ - unsigned long long clk; - - if (MACHINE_HAS_STCKF) - asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc"); - else - clk = get_clock(); - return clk; -} - -static inline unsigned long long get_clock_xt(void) -{ - unsigned char clk[16]; - get_clock_ext(clk); - return *((unsigned long long *)&clk[1]); -} - -static inline cycles_t get_cycles(void) -{ - return (cycles_t) get_clock() >> 2; -} - -int get_sync_clock(unsigned long long *clock); -void init_cpu_timer(void); -unsigned long long monotonic_clock(void); - -void tod_to_timeval(__u64, struct timespec *); - -static inline -void stck_to_timespec(unsigned long long stck, struct timespec *ts) -{ - tod_to_timeval(stck - TOD_UNIX_EPOCH, ts); -} - -extern u64 sched_clock_base_cc; - -/** - * get_clock_monotonic - returns current time in clock rate units - * - * The caller must ensure that preemption is disabled. - * The clock and sched_clock_base get changed via stop_machine. - * Therefore preemption must be disabled when calling this - * function, otherwise the returned value is not guaranteed to - * be monotonic. - */ -static inline unsigned long long get_clock_monotonic(void) -{ - return get_clock_xt() - sched_clock_base_cc; -} - -#endif diff --git a/ANDROID_3.4.5/arch/s390/include/asm/tlb.h b/ANDROID_3.4.5/arch/s390/include/asm/tlb.h deleted file mode 100644 index 775a5eea..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/tlb.h +++ /dev/null @@ -1,142 +0,0 @@ -#ifndef _S390_TLB_H -#define _S390_TLB_H - -/* - * TLB flushing on s390 is complicated. The following requirement - * from the principles of operation is the most arduous: - * - * "A valid table entry must not be changed while it is attached - * to any CPU and may be used for translation by that CPU except to - * (1) invalidate the entry by using INVALIDATE PAGE TABLE ENTRY, - * or INVALIDATE DAT TABLE ENTRY, (2) alter bits 56-63 of a page - * table entry, or (3) make a change by means of a COMPARE AND SWAP - * AND PURGE instruction that purges the TLB." - * - * The modification of a pte of an active mm struct therefore is - * a two step process: i) invalidate the pte, ii) store the new pte. - * This is true for the page protection bit as well. - * The only possible optimization is to flush at the beginning of - * a tlb_gather_mmu cycle if the mm_struct is currently not in use. - * - * Pages used for the page tables is a different story. FIXME: more - */ - -#include <linux/mm.h> -#include <linux/pagemap.h> -#include <linux/swap.h> -#include <asm/processor.h> -#include <asm/pgalloc.h> -#include <asm/tlbflush.h> - -struct mmu_gather { - struct mm_struct *mm; - struct mmu_table_batch *batch; - unsigned int fullmm; -}; - -struct mmu_table_batch { - struct rcu_head rcu; - unsigned int nr; - void *tables[0]; -}; - -#define MAX_TABLE_BATCH \ - ((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *)) - -extern void tlb_table_flush(struct mmu_gather *tlb); -extern void tlb_remove_table(struct mmu_gather *tlb, void *table); - -static inline void tlb_gather_mmu(struct mmu_gather *tlb, - struct mm_struct *mm, - unsigned int full_mm_flush) -{ - tlb->mm = mm; - tlb->fullmm = full_mm_flush; - tlb->batch = NULL; - if (tlb->fullmm) - __tlb_flush_mm(mm); -} - -static inline void tlb_flush_mmu(struct mmu_gather *tlb) -{ - tlb_table_flush(tlb); -} - -static inline void tlb_finish_mmu(struct mmu_gather *tlb, - unsigned long start, unsigned long end) -{ - tlb_table_flush(tlb); -} - -/* - * Release the page cache reference for a pte removed by - * tlb_ptep_clear_flush. In both flush modes the tlb for a page cache page - * has already been freed, so just do free_page_and_swap_cache. - */ -static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) -{ - free_page_and_swap_cache(page); - return 1; /* avoid calling tlb_flush_mmu */ -} - -static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) -{ - free_page_and_swap_cache(page); -} - -/* - * pte_free_tlb frees a pte table and clears the CRSTE for the - * page table from the tlb. - */ -static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, - unsigned long address) -{ - if (!tlb->fullmm) - return page_table_free_rcu(tlb, (unsigned long *) pte); - page_table_free(tlb->mm, (unsigned long *) pte); -} - -/* - * pmd_free_tlb frees a pmd table and clears the CRSTE for the - * segment table entry from the tlb. - * If the mm uses a two level page table the single pmd is freed - * as the pgd. pmd_free_tlb checks the asce_limit against 2GB - * to avoid the double free of the pmd in this case. - */ -static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, - unsigned long address) -{ -#ifdef __s390x__ - if (tlb->mm->context.asce_limit <= (1UL << 31)) - return; - if (!tlb->fullmm) - return tlb_remove_table(tlb, pmd); - crst_table_free(tlb->mm, (unsigned long *) pmd); -#endif -} - -/* - * pud_free_tlb frees a pud table and clears the CRSTE for the - * region third table entry from the tlb. - * If the mm uses a three level page table the single pud is freed - * as the pgd. pud_free_tlb checks the asce_limit against 4TB - * to avoid the double free of the pud in this case. - */ -static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, - unsigned long address) -{ -#ifdef __s390x__ - if (tlb->mm->context.asce_limit <= (1UL << 42)) - return; - if (!tlb->fullmm) - return tlb_remove_table(tlb, pud); - crst_table_free(tlb->mm, (unsigned long *) pud); -#endif -} - -#define tlb_start_vma(tlb, vma) do { } while (0) -#define tlb_end_vma(tlb, vma) do { } while (0) -#define tlb_remove_tlb_entry(tlb, ptep, addr) do { } while (0) -#define tlb_migrate_finish(mm) do { } while (0) - -#endif /* _S390_TLB_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/tlbflush.h b/ANDROID_3.4.5/arch/s390/include/asm/tlbflush.h deleted file mode 100644 index 1d8648cf..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/tlbflush.h +++ /dev/null @@ -1,140 +0,0 @@ -#ifndef _S390_TLBFLUSH_H -#define _S390_TLBFLUSH_H - -#include <linux/mm.h> -#include <linux/sched.h> -#include <asm/processor.h> -#include <asm/pgalloc.h> - -/* - * Flush all tlb entries on the local cpu. - */ -static inline void __tlb_flush_local(void) -{ - asm volatile("ptlb" : : : "memory"); -} - -#ifdef CONFIG_SMP -/* - * Flush all tlb entries on all cpus. - */ -void smp_ptlb_all(void); - -static inline void __tlb_flush_global(void) -{ - register unsigned long reg2 asm("2"); - register unsigned long reg3 asm("3"); - register unsigned long reg4 asm("4"); - long dummy; - -#ifndef __s390x__ - if (!MACHINE_HAS_CSP) { - smp_ptlb_all(); - return; - } -#endif /* __s390x__ */ - - dummy = 0; - reg2 = reg3 = 0; - reg4 = ((unsigned long) &dummy) + 1; - asm volatile( - " csp %0,%2" - : : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" ); -} - -static inline void __tlb_flush_full(struct mm_struct *mm) -{ - cpumask_t local_cpumask; - - preempt_disable(); - /* - * If the process only ran on the local cpu, do a local flush. - */ - cpumask_copy(&local_cpumask, cpumask_of(smp_processor_id())); - if (cpumask_equal(mm_cpumask(mm), &local_cpumask)) - __tlb_flush_local(); - else - __tlb_flush_global(); - preempt_enable(); -} -#else -#define __tlb_flush_full(mm) __tlb_flush_local() -#define __tlb_flush_global() __tlb_flush_local() -#endif - -/* - * Flush all tlb entries of a page table on all cpus. - */ -static inline void __tlb_flush_idte(unsigned long asce) -{ - asm volatile( - " .insn rrf,0xb98e0000,0,%0,%1,0" - : : "a" (2048), "a" (asce) : "cc" ); -} - -static inline void __tlb_flush_mm(struct mm_struct * mm) -{ - if (unlikely(cpumask_empty(mm_cpumask(mm)))) - return; - /* - * If the machine has IDTE we prefer to do a per mm flush - * on all cpus instead of doing a local flush if the mm - * only ran on the local cpu. - */ - if (MACHINE_HAS_IDTE && list_empty(&mm->context.gmap_list)) - __tlb_flush_idte((unsigned long) mm->pgd | - mm->context.asce_bits); - else - __tlb_flush_full(mm); -} - -static inline void __tlb_flush_mm_cond(struct mm_struct * mm) -{ - spin_lock(&mm->page_table_lock); - if (mm->context.flush_mm) { - __tlb_flush_mm(mm); - mm->context.flush_mm = 0; - } - spin_unlock(&mm->page_table_lock); -} - -/* - * TLB flushing: - * flush_tlb() - flushes the current mm struct TLBs - * flush_tlb_all() - flushes all processes TLBs - * flush_tlb_mm(mm) - flushes the specified mm context TLB's - * flush_tlb_page(vma, vmaddr) - flushes one page - * flush_tlb_range(vma, start, end) - flushes a range of pages - * flush_tlb_kernel_range(start, end) - flushes a range of kernel pages - */ - -/* - * flush_tlb_mm goes together with ptep_set_wrprotect for the - * copy_page_range operation and flush_tlb_range is related to - * ptep_get_and_clear for change_protection. ptep_set_wrprotect and - * ptep_get_and_clear do not flush the TLBs directly if the mm has - * only one user. At the end of the update the flush_tlb_mm and - * flush_tlb_range functions need to do the flush. - */ -#define flush_tlb() do { } while (0) -#define flush_tlb_all() do { } while (0) -#define flush_tlb_page(vma, addr) do { } while (0) - -static inline void flush_tlb_mm(struct mm_struct *mm) -{ - __tlb_flush_mm_cond(mm); -} - -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) -{ - __tlb_flush_mm_cond(vma->vm_mm); -} - -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) -{ - __tlb_flush_mm(&init_mm); -} - -#endif /* _S390_TLBFLUSH_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/topology.h b/ANDROID_3.4.5/arch/s390/include/asm/topology.h deleted file mode 100644 index 0837de80..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/topology.h +++ /dev/null @@ -1,84 +0,0 @@ -#ifndef _ASM_S390_TOPOLOGY_H -#define _ASM_S390_TOPOLOGY_H - -#include <linux/cpumask.h> -#include <asm/sysinfo.h> - -struct cpu; - -#ifdef CONFIG_SCHED_BOOK - -extern unsigned char cpu_core_id[NR_CPUS]; -extern cpumask_t cpu_core_map[NR_CPUS]; - -static inline const struct cpumask *cpu_coregroup_mask(int cpu) -{ - return &cpu_core_map[cpu]; -} - -#define topology_core_id(cpu) (cpu_core_id[cpu]) -#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) -#define mc_capable() (1) - -extern unsigned char cpu_book_id[NR_CPUS]; -extern cpumask_t cpu_book_map[NR_CPUS]; - -static inline const struct cpumask *cpu_book_mask(int cpu) -{ - return &cpu_book_map[cpu]; -} - -#define topology_book_id(cpu) (cpu_book_id[cpu]) -#define topology_book_cpumask(cpu) (&cpu_book_map[cpu]) - -int topology_cpu_init(struct cpu *); -int topology_set_cpu_management(int fc); -void topology_schedule_update(void); -void store_topology(struct sysinfo_15_1_x *info); -void topology_expect_change(void); - -#else /* CONFIG_SCHED_BOOK */ - -static inline void topology_schedule_update(void) { } -static inline int topology_cpu_init(struct cpu *cpu) { return 0; } -static inline void topology_expect_change(void) { } - -#endif /* CONFIG_SCHED_BOOK */ - -#define POLARIZATION_UNKNOWN (-1) -#define POLARIZATION_HRZ (0) -#define POLARIZATION_VL (1) -#define POLARIZATION_VM (2) -#define POLARIZATION_VH (3) - -extern int cpu_polarization[]; - -static inline void cpu_set_polarization(int cpu, int val) -{ -#ifdef CONFIG_SCHED_BOOK - cpu_polarization[cpu] = val; -#endif -} - -static inline int cpu_read_polarization(int cpu) -{ -#ifdef CONFIG_SCHED_BOOK - return cpu_polarization[cpu]; -#else - return POLARIZATION_HRZ; -#endif -} - -#ifdef CONFIG_SCHED_BOOK -void s390_init_cpu_topology(void); -#else -static inline void s390_init_cpu_topology(void) -{ -}; -#endif - -#define SD_BOOK_INIT SD_CPU_INIT - -#include <asm-generic/topology.h> - -#endif /* _ASM_S390_TOPOLOGY_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/types.h b/ANDROID_3.4.5/arch/s390/include/asm/types.h deleted file mode 100644 index 05ebbcdb..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/types.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * include/asm-s390/types.h - * - * S390 version - * - * Derived from "include/asm-i386/types.h" - */ - -#ifndef _S390_TYPES_H -#define _S390_TYPES_H - -#include <asm-generic/int-ll64.h> - -#ifndef __ASSEMBLY__ - -/* A address type so that arithmetic can be done on it & it can be upgraded to - 64 bit when necessary -*/ -typedef unsigned long addr_t; -typedef __signed__ long saddr_t; - -#endif /* __ASSEMBLY__ */ - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -#ifndef __ASSEMBLY__ - -#ifndef __s390x__ -typedef union { - unsigned long long pair; - struct { - unsigned long even; - unsigned long odd; - } subreg; -} register_pair; - -#endif /* ! __s390x__ */ -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ -#endif /* _S390_TYPES_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/uaccess.h b/ANDROID_3.4.5/arch/s390/include/asm/uaccess.h deleted file mode 100644 index 8f2cada4..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/uaccess.h +++ /dev/null @@ -1,384 +0,0 @@ -/* - * include/asm-s390/uaccess.h - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com), - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "include/asm-i386/uaccess.h" - */ -#ifndef __S390_UACCESS_H -#define __S390_UACCESS_H - -/* - * User space memory access functions - */ -#include <linux/sched.h> -#include <linux/errno.h> -#include <asm/ctl_reg.h> - -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - - -/* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - */ - -#define MAKE_MM_SEG(a) ((mm_segment_t) { (a) }) - - -#define KERNEL_DS MAKE_MM_SEG(0) -#define USER_DS MAKE_MM_SEG(1) - -#define get_ds() (KERNEL_DS) -#define get_fs() (current->thread.mm_segment) - -#define set_fs(x) \ -({ \ - unsigned long __pto; \ - current->thread.mm_segment = (x); \ - __pto = current->thread.mm_segment.ar4 ? \ - S390_lowcore.user_asce : S390_lowcore.kernel_asce; \ - __ctl_load(__pto, 7, 7); \ -}) - -#define segment_eq(a,b) ((a).ar4 == (b).ar4) - -#define __access_ok(addr, size) \ -({ \ - __chk_user_ptr(addr); \ - 1; \ -}) - -#define access_ok(type, addr, size) __access_ok(addr, size) - -/* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. - * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. - */ - -struct exception_table_entry -{ - unsigned long insn, fixup; -}; - -struct uaccess_ops { - size_t (*copy_from_user)(size_t, const void __user *, void *); - size_t (*copy_from_user_small)(size_t, const void __user *, void *); - size_t (*copy_to_user)(size_t, void __user *, const void *); - size_t (*copy_to_user_small)(size_t, void __user *, const void *); - size_t (*copy_in_user)(size_t, void __user *, const void __user *); - size_t (*clear_user)(size_t, void __user *); - size_t (*strnlen_user)(size_t, const char __user *); - size_t (*strncpy_from_user)(size_t, const char __user *, char *); - int (*futex_atomic_op)(int op, u32 __user *, int oparg, int *old); - int (*futex_atomic_cmpxchg)(u32 *, u32 __user *, u32 old, u32 new); -}; - -extern struct uaccess_ops uaccess; -extern struct uaccess_ops uaccess_std; -extern struct uaccess_ops uaccess_mvcos; -extern struct uaccess_ops uaccess_mvcos_switch; -extern struct uaccess_ops uaccess_pt; - -extern int __handle_fault(unsigned long, unsigned long, int); - -static inline int __put_user_fn(size_t size, void __user *ptr, void *x) -{ - size = uaccess.copy_to_user_small(size, ptr, x); - return size ? -EFAULT : size; -} - -static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) -{ - size = uaccess.copy_from_user_small(size, ptr, x); - return size ? -EFAULT : size; -} - -/* - * These are the main single-value transfer routines. They automatically - * use the right size if we just have the right pointer type. - */ -#define __put_user(x, ptr) \ -({ \ - __typeof__(*(ptr)) __x = (x); \ - int __pu_err = -EFAULT; \ - __chk_user_ptr(ptr); \ - switch (sizeof (*(ptr))) { \ - case 1: \ - case 2: \ - case 4: \ - case 8: \ - __pu_err = __put_user_fn(sizeof (*(ptr)), \ - ptr, &__x); \ - break; \ - default: \ - __put_user_bad(); \ - break; \ - } \ - __pu_err; \ -}) - -#define put_user(x, ptr) \ -({ \ - might_fault(); \ - __put_user(x, ptr); \ -}) - - -extern int __put_user_bad(void) __attribute__((noreturn)); - -#define __get_user(x, ptr) \ -({ \ - int __gu_err = -EFAULT; \ - __chk_user_ptr(ptr); \ - switch (sizeof(*(ptr))) { \ - case 1: { \ - unsigned char __x; \ - __gu_err = __get_user_fn(sizeof (*(ptr)), \ - ptr, &__x); \ - (x) = *(__force __typeof__(*(ptr)) *) &__x; \ - break; \ - }; \ - case 2: { \ - unsigned short __x; \ - __gu_err = __get_user_fn(sizeof (*(ptr)), \ - ptr, &__x); \ - (x) = *(__force __typeof__(*(ptr)) *) &__x; \ - break; \ - }; \ - case 4: { \ - unsigned int __x; \ - __gu_err = __get_user_fn(sizeof (*(ptr)), \ - ptr, &__x); \ - (x) = *(__force __typeof__(*(ptr)) *) &__x; \ - break; \ - }; \ - case 8: { \ - unsigned long long __x; \ - __gu_err = __get_user_fn(sizeof (*(ptr)), \ - ptr, &__x); \ - (x) = *(__force __typeof__(*(ptr)) *) &__x; \ - break; \ - }; \ - default: \ - __get_user_bad(); \ - break; \ - } \ - __gu_err; \ -}) - -#define get_user(x, ptr) \ -({ \ - might_fault(); \ - __get_user(x, ptr); \ -}) - -extern int __get_user_bad(void) __attribute__((noreturn)); - -#define __put_user_unaligned __put_user -#define __get_user_unaligned __get_user - -/** - * __copy_to_user: - Copy a block of data into user space, with less checking. - * @to: Destination address, in user space. - * @from: Source address, in kernel space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep. - * - * Copy data from kernel space to user space. Caller must check - * the specified block with access_ok() before calling this function. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - */ -static inline unsigned long __must_check -__copy_to_user(void __user *to, const void *from, unsigned long n) -{ - if (__builtin_constant_p(n) && (n <= 256)) - return uaccess.copy_to_user_small(n, to, from); - else - return uaccess.copy_to_user(n, to, from); -} - -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user - -/** - * copy_to_user: - Copy a block of data into user space. - * @to: Destination address, in user space. - * @from: Source address, in kernel space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep. - * - * Copy data from kernel space to user space. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - */ -static inline unsigned long __must_check -copy_to_user(void __user *to, const void *from, unsigned long n) -{ - might_fault(); - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -} - -/** - * __copy_from_user: - Copy a block of data from user space, with less checking. - * @to: Destination address, in kernel space. - * @from: Source address, in user space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep. - * - * Copy data from user space to kernel space. Caller must check - * the specified block with access_ok() before calling this function. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - * - * If some data could not be copied, this function will pad the copied - * data to the requested size using zero bytes. - */ -static inline unsigned long __must_check -__copy_from_user(void *to, const void __user *from, unsigned long n) -{ - if (__builtin_constant_p(n) && (n <= 256)) - return uaccess.copy_from_user_small(n, from, to); - else - return uaccess.copy_from_user(n, from, to); -} - -extern void copy_from_user_overflow(void) -#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -__compiletime_warning("copy_from_user() buffer size is not provably correct") -#endif -; - -/** - * copy_from_user: - Copy a block of data from user space. - * @to: Destination address, in kernel space. - * @from: Source address, in user space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep. - * - * Copy data from user space to kernel space. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - * - * If some data could not be copied, this function will pad the copied - * data to the requested size using zero bytes. - */ -static inline unsigned long __must_check -copy_from_user(void *to, const void __user *from, unsigned long n) -{ - unsigned int sz = __compiletime_object_size(to); - - might_fault(); - if (unlikely(sz != -1 && sz < n)) { - copy_from_user_overflow(); - return n; - } - if (access_ok(VERIFY_READ, from, n)) - n = __copy_from_user(to, from, n); - else - memset(to, 0, n); - return n; -} - -static inline unsigned long __must_check -__copy_in_user(void __user *to, const void __user *from, unsigned long n) -{ - return uaccess.copy_in_user(n, to, from); -} - -static inline unsigned long __must_check -copy_in_user(void __user *to, const void __user *from, unsigned long n) -{ - might_fault(); - if (__access_ok(from,n) && __access_ok(to,n)) - n = __copy_in_user(to, from, n); - return n; -} - -/* - * Copy a null terminated string from userspace. - */ -static inline long __must_check -strncpy_from_user(char *dst, const char __user *src, long count) -{ - long res = -EFAULT; - might_fault(); - if (access_ok(VERIFY_READ, src, 1)) - res = uaccess.strncpy_from_user(count, src, dst); - return res; -} - -static inline unsigned long -strnlen_user(const char __user * src, unsigned long n) -{ - might_fault(); - return uaccess.strnlen_user(n, src); -} - -/** - * strlen_user: - Get the size of a string in user space. - * @str: The string to measure. - * - * Context: User context only. This function may sleep. - * - * Get the size of a NUL-terminated string in user space. - * - * Returns the size of the string INCLUDING the terminating NUL. - * On exception, returns 0. - * - * If there is a limit on the length of a valid string, you may wish to - * consider using strnlen_user() instead. - */ -#define strlen_user(str) strnlen_user(str, ~0UL) - -/* - * Zero Userspace - */ - -static inline unsigned long __must_check -__clear_user(void __user *to, unsigned long n) -{ - return uaccess.clear_user(n, to); -} - -static inline unsigned long __must_check -clear_user(void __user *to, unsigned long n) -{ - might_fault(); - if (access_ok(VERIFY_WRITE, to, n)) - n = uaccess.clear_user(n, to); - return n; -} - -extern int memcpy_real(void *, void *, size_t); -extern void copy_to_absolute_zero(void *dest, void *src, size_t count); -extern int copy_to_user_real(void __user *dest, void *src, size_t count); -extern int copy_from_user_real(void *dest, void __user *src, size_t count); - -#endif /* __S390_UACCESS_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/ucontext.h b/ANDROID_3.4.5/arch/s390/include/asm/ucontext.h deleted file mode 100644 index cfb874e6..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/ucontext.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * include/asm-s390/ucontext.h - * - * S390 version - * - * Derived from "include/asm-i386/ucontext.h" - */ - -#ifndef _ASM_S390_UCONTEXT_H -#define _ASM_S390_UCONTEXT_H - -#define UC_EXTENDED 0x00000001 - -#ifndef __s390x__ - -struct ucontext_extended { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - _sigregs uc_mcontext; - unsigned long uc_sigmask[2]; - unsigned long uc_gprs_high[16]; -}; - -#endif - -struct ucontext { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - _sigregs uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* !_ASM_S390_UCONTEXT_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/unaligned.h b/ANDROID_3.4.5/arch/s390/include/asm/unaligned.h deleted file mode 100644 index da9627af..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/unaligned.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef _ASM_S390_UNALIGNED_H -#define _ASM_S390_UNALIGNED_H - -/* - * The S390 can do unaligned accesses itself. - */ -#include <linux/unaligned/access_ok.h> -#include <linux/unaligned/generic.h> - -#define get_unaligned __get_unaligned_be -#define put_unaligned __put_unaligned_be - -#endif /* _ASM_S390_UNALIGNED_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/unistd.h b/ANDROID_3.4.5/arch/s390/include/asm/unistd.h deleted file mode 100644 index 8a8008fe..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/unistd.h +++ /dev/null @@ -1,431 +0,0 @@ -/* - * include/asm-s390/unistd.h - * - * S390 version - * - * Derived from "include/asm-i386/unistd.h" - */ - -#ifndef _ASM_S390_UNISTD_H_ -#define _ASM_S390_UNISTD_H_ - -/* - * This file contains the system call numbers. - */ - -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_restart_syscall 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_brk 45 -#define __NR_signal 48 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_setpgid 57 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_symlink 83 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_lookup_dcookie 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_getdents 141 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 -#define __NR_putpmsg 189 -#define __NR_vfork 190 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_readahead 222 -#define __NR_setxattr 224 -#define __NR_lsetxattr 225 -#define __NR_fsetxattr 226 -#define __NR_getxattr 227 -#define __NR_lgetxattr 228 -#define __NR_fgetxattr 229 -#define __NR_listxattr 230 -#define __NR_llistxattr 231 -#define __NR_flistxattr 232 -#define __NR_removexattr 233 -#define __NR_lremovexattr 234 -#define __NR_fremovexattr 235 -#define __NR_gettid 236 -#define __NR_tkill 237 -#define __NR_futex 238 -#define __NR_sched_setaffinity 239 -#define __NR_sched_getaffinity 240 -#define __NR_tgkill 241 -/* Number 242 is reserved for tux */ -#define __NR_io_setup 243 -#define __NR_io_destroy 244 -#define __NR_io_getevents 245 -#define __NR_io_submit 246 -#define __NR_io_cancel 247 -#define __NR_exit_group 248 -#define __NR_epoll_create 249 -#define __NR_epoll_ctl 250 -#define __NR_epoll_wait 251 -#define __NR_set_tid_address 252 -#define __NR_fadvise64 253 -#define __NR_timer_create 254 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -/* Number 263 is reserved for vserver */ -#define __NR_statfs64 265 -#define __NR_fstatfs64 266 -#define __NR_remap_file_pages 267 -/* Number 268 is reserved for new sys_mbind */ -/* Number 269 is reserved for new sys_get_mempolicy */ -/* Number 270 is reserved for new sys_set_mempolicy */ -#define __NR_mq_open 271 -#define __NR_mq_unlink 272 -#define __NR_mq_timedsend 273 -#define __NR_mq_timedreceive 274 -#define __NR_mq_notify 275 -#define __NR_mq_getsetattr 276 -#define __NR_kexec_load 277 -#define __NR_add_key 278 -#define __NR_request_key 279 -#define __NR_keyctl 280 -#define __NR_waitid 281 -#define __NR_ioprio_set 282 -#define __NR_ioprio_get 283 -#define __NR_inotify_init 284 -#define __NR_inotify_add_watch 285 -#define __NR_inotify_rm_watch 286 -/* Number 287 is reserved for new sys_migrate_pages */ -#define __NR_openat 288 -#define __NR_mkdirat 289 -#define __NR_mknodat 290 -#define __NR_fchownat 291 -#define __NR_futimesat 292 -#define __NR_unlinkat 294 -#define __NR_renameat 295 -#define __NR_linkat 296 -#define __NR_symlinkat 297 -#define __NR_readlinkat 298 -#define __NR_fchmodat 299 -#define __NR_faccessat 300 -#define __NR_pselect6 301 -#define __NR_ppoll 302 -#define __NR_unshare 303 -#define __NR_set_robust_list 304 -#define __NR_get_robust_list 305 -#define __NR_splice 306 -#define __NR_sync_file_range 307 -#define __NR_tee 308 -#define __NR_vmsplice 309 -/* Number 310 is reserved for new sys_move_pages */ -#define __NR_getcpu 311 -#define __NR_epoll_pwait 312 -#define __NR_utimes 313 -#define __NR_fallocate 314 -#define __NR_utimensat 315 -#define __NR_signalfd 316 -#define __NR_timerfd 317 -#define __NR_eventfd 318 -#define __NR_timerfd_create 319 -#define __NR_timerfd_settime 320 -#define __NR_timerfd_gettime 321 -#define __NR_signalfd4 322 -#define __NR_eventfd2 323 -#define __NR_inotify_init1 324 -#define __NR_pipe2 325 -#define __NR_dup3 326 -#define __NR_epoll_create1 327 -#define __NR_preadv 328 -#define __NR_pwritev 329 -#define __NR_rt_tgsigqueueinfo 330 -#define __NR_perf_event_open 331 -#define __NR_fanotify_init 332 -#define __NR_fanotify_mark 333 -#define __NR_prlimit64 334 -#define __NR_name_to_handle_at 335 -#define __NR_open_by_handle_at 336 -#define __NR_clock_adjtime 337 -#define __NR_syncfs 338 -#define __NR_setns 339 -#define __NR_process_vm_readv 340 -#define __NR_process_vm_writev 341 -#define NR_syscalls 342 - -/* - * There are some system calls that are not present on 64 bit, some - * have a different name although they do the same (e.g. __NR_chown32 - * is __NR_chown on 64 bit). - */ -#ifndef __s390x__ - -#define __NR_time 13 -#define __NR_lchown 16 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_getrlimit 76 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_fchown 95 -#define __NR_ioperm 101 -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR__newselect 142 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_chown 182 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_fcntl64 221 -#define __NR_sendfile64 223 -#define __NR_fadvise64_64 264 -#define __NR_fstatat64 293 - -#else - -#define __NR_select 142 -#define __NR_getrlimit 191 /* SuS compliant getrlimit */ -#define __NR_lchown 198 -#define __NR_getuid 199 -#define __NR_getgid 200 -#define __NR_geteuid 201 -#define __NR_getegid 202 -#define __NR_setreuid 203 -#define __NR_setregid 204 -#define __NR_getgroups 205 -#define __NR_setgroups 206 -#define __NR_fchown 207 -#define __NR_setresuid 208 -#define __NR_getresuid 209 -#define __NR_setresgid 210 -#define __NR_getresgid 211 -#define __NR_chown 212 -#define __NR_setuid 213 -#define __NR_setgid 214 -#define __NR_setfsuid 215 -#define __NR_setfsgid 216 -#define __NR_newfstatat 293 - -#endif - -#ifdef __KERNEL__ - -#ifndef CONFIG_64BIT -#define __IGNORE_select -#else -#define __IGNORE_time -#endif - -/* Ignore NUMA system calls. Not wired up on s390. */ -#define __IGNORE_mbind -#define __IGNORE_get_mempolicy -#define __IGNORE_set_mempolicy -#define __IGNORE_migrate_pages -#define __IGNORE_move_pages - -/* Ignore system calls that are also reachable via sys_socket */ -#define __IGNORE_recvmmsg -#define __IGNORE_sendmmsg - -#define __ARCH_WANT_IPC_PARSE_VERSION -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_IPC -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLD_GETRLIMIT -#define __ARCH_WANT_SYS_OLD_MMAP -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND -# ifndef CONFIG_64BIT -# define __ARCH_WANT_STAT64 -# define __ARCH_WANT_SYS_TIME -# endif -# ifdef CONFIG_COMPAT -# define __ARCH_WANT_COMPAT_SYS_TIME -# define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND -# endif - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") - -#endif /* __KERNEL__ */ -#endif /* _ASM_S390_UNISTD_H_ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/user.h b/ANDROID_3.4.5/arch/s390/include/asm/user.h deleted file mode 100644 index 1b050e35..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/user.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * include/asm-s390/user.h - * - * S390 version - * - * Derived from "include/asm-i386/usr.h" - */ - -#ifndef _S390_USER_H -#define _S390_USER_H - -#include <asm/page.h> -#include <asm/ptrace.h> -/* Core file format: The core file is written in such a way that gdb - can understand it and provide useful information to the user (under - linux we use the 'trad-core' bfd). There are quite a number of - obstacles to being able to view the contents of the floating point - registers, and until these are solved you will not be able to view the - contents of them. Actually, you can read in the core file and look at - the contents of the user struct to find out what the floating point - registers contain. - The actual file contents are as follows: - UPAGE: 1 page consisting of a user struct that tells gdb what is present - in the file. Directly after this is a copy of the task_struct, which - is currently not used by gdb, but it may come in useful at some point. - All of the registers are stored as part of the upage. The upage should - always be only one page. - DATA: The data area is stored. We use current->end_text to - current->brk to pick up all of the user variables, plus any memory - that may have been malloced. No attempt is made to determine if a page - is demand-zero or if a page is totally unused, we just cover the entire - range. All of the addresses are rounded in such a way that an integral - number of pages is written. - STACK: We need the stack information in order to get a meaningful - backtrace. We need to write the data from (esp) to - current->start_stack, so we round each of these off in order to be able - to write an integer number of pages. - The minimum core file size is 3 pages, or 12288 bytes. -*/ - - -/* - * This is the old layout of "struct pt_regs", and - * is still the layout used by user mode (the new - * pt_regs doesn't have all registers as the kernel - * doesn't use the extra segment registers) - */ - -/* When the kernel dumps core, it starts by dumping the user struct - - this will be used by gdb to figure out where the data and stack segments - are within the file, and what virtual addresses to use. */ -struct user { -/* We start with the registers, to mimic the way that "memory" is returned - from the ptrace(3,...) function. */ - struct user_regs_struct regs; /* Where the registers are actually stored */ -/* The rest of this junk is to help gdb figure out what goes where */ - unsigned long int u_tsize; /* Text segment size (pages). */ - unsigned long int u_dsize; /* Data segment size (pages). */ - unsigned long int u_ssize; /* Stack segment size (pages). */ - unsigned long start_code; /* Starting virtual address of text. */ - unsigned long start_stack; /* Starting virtual address of stack area. - This is actually the bottom of the stack, - the top of the stack is always found in the - esp register. */ - long int signal; /* Signal that caused the core dump. */ - unsigned long u_ar0; /* Used by gdb to help find the values for */ - /* the registers. */ - unsigned long magic; /* To uniquely identify a core file */ - char u_comm[32]; /* User command that was responsible */ -}; -#define NBPG PAGE_SIZE -#define UPAGES 1 -#define HOST_TEXT_START_ADDR (u.start_code) -#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) - -#endif /* _S390_USER_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/vdso.h b/ANDROID_3.4.5/arch/s390/include/asm/vdso.h deleted file mode 100644 index c4a11cfa..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/vdso.h +++ /dev/null @@ -1,51 +0,0 @@ -#ifndef __S390_VDSO_H__ -#define __S390_VDSO_H__ - -#ifdef __KERNEL__ - -/* Default link addresses for the vDSOs */ -#define VDSO32_LBASE 0 -#define VDSO64_LBASE 0 - -#define VDSO_VERSION_STRING LINUX_2.6.29 - -#ifndef __ASSEMBLY__ - -/* - * Note about the vdso_data and vdso_per_cpu_data structures: - * - * NEVER USE THEM IN USERSPACE CODE DIRECTLY. The layout of the - * structure is supposed to be known only to the function in the vdso - * itself and may change without notice. - */ - -struct vdso_data { - __u64 tb_update_count; /* Timebase atomicity ctr 0x00 */ - __u64 xtime_tod_stamp; /* TOD clock for xtime 0x08 */ - __u64 xtime_clock_sec; /* Kernel time 0x10 */ - __u64 xtime_clock_nsec; /* 0x18 */ - __u64 wtom_clock_sec; /* Wall to monotonic clock 0x20 */ - __u64 wtom_clock_nsec; /* 0x28 */ - __u32 tz_minuteswest; /* Minutes west of Greenwich 0x30 */ - __u32 tz_dsttime; /* Type of dst correction 0x34 */ - __u32 ectg_available; - __u32 ntp_mult; /* NTP adjusted multiplier 0x3C */ -}; - -struct vdso_per_cpu_data { - __u64 ectg_timer_base; - __u64 ectg_user_time; -}; - -extern struct vdso_data *vdso_data; - -#ifdef CONFIG_64BIT -int vdso_alloc_per_cpu(struct _lowcore *lowcore); -void vdso_free_per_cpu(struct _lowcore *lowcore); -#endif - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - -#endif /* __S390_VDSO_H__ */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/vtoc.h b/ANDROID_3.4.5/arch/s390/include/asm/vtoc.h deleted file mode 100644 index 8406a2b3..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/vtoc.h +++ /dev/null @@ -1,215 +0,0 @@ -/* - * include/asm-s390/vtoc.h - * - * This file contains volume label definitions for DASD devices. - * - * (C) Copyright IBM Corp. 2005 - * - * Author(s): Volker Sameske <sameske@de.ibm.com> - * - */ - -#ifndef _ASM_S390_VTOC_H -#define _ASM_S390_VTOC_H - -#include <linux/types.h> - -struct vtoc_ttr -{ - __u16 tt; - __u8 r; -} __attribute__ ((packed)); - -struct vtoc_cchhb -{ - __u16 cc; - __u16 hh; - __u8 b; -} __attribute__ ((packed)); - -struct vtoc_cchh -{ - __u16 cc; - __u16 hh; -} __attribute__ ((packed)); - -struct vtoc_labeldate -{ - __u8 year; - __u16 day; -} __attribute__ ((packed)); - -struct vtoc_volume_label_cdl -{ - char volkey[4]; /* volume key = volume label */ - char vollbl[4]; /* volume label */ - char volid[6]; /* volume identifier */ - __u8 security; /* security byte */ - struct vtoc_cchhb vtoc; /* VTOC address */ - char res1[5]; /* reserved */ - char cisize[4]; /* CI-size for FBA,... */ - /* ...blanks for CKD */ - char blkperci[4]; /* no of blocks per CI (FBA), blanks for CKD */ - char labperci[4]; /* no of labels per CI (FBA), blanks for CKD */ - char res2[4]; /* reserved */ - char lvtoc[14]; /* owner code for LVTOC */ - char res3[29]; /* reserved */ -} __attribute__ ((packed)); - -struct vtoc_volume_label_ldl { - char vollbl[4]; /* volume label */ - char volid[6]; /* volume identifier */ - char res3[69]; /* reserved */ - char ldl_version; /* version number, valid for ldl format */ - __u64 formatted_blocks; /* valid when ldl_version >= f2 */ -} __attribute__ ((packed)); - -struct vtoc_extent -{ - __u8 typeind; /* extent type indicator */ - __u8 seqno; /* extent sequence number */ - struct vtoc_cchh llimit; /* starting point of this extent */ - struct vtoc_cchh ulimit; /* ending point of this extent */ -} __attribute__ ((packed)); - -struct vtoc_dev_const -{ - __u16 DS4DSCYL; /* number of logical cyls */ - __u16 DS4DSTRK; /* number of tracks in a logical cylinder */ - __u16 DS4DEVTK; /* device track length */ - __u8 DS4DEVI; /* non-last keyed record overhead */ - __u8 DS4DEVL; /* last keyed record overhead */ - __u8 DS4DEVK; /* non-keyed record overhead differential */ - __u8 DS4DEVFG; /* flag byte */ - __u16 DS4DEVTL; /* device tolerance */ - __u8 DS4DEVDT; /* number of DSCB's per track */ - __u8 DS4DEVDB; /* number of directory blocks per track */ -} __attribute__ ((packed)); - -struct vtoc_format1_label -{ - char DS1DSNAM[44]; /* data set name */ - __u8 DS1FMTID; /* format identifier */ - char DS1DSSN[6]; /* data set serial number */ - __u16 DS1VOLSQ; /* volume sequence number */ - struct vtoc_labeldate DS1CREDT; /* creation date: ydd */ - struct vtoc_labeldate DS1EXPDT; /* expiration date */ - __u8 DS1NOEPV; /* number of extents on volume */ - __u8 DS1NOBDB; /* no. of bytes used in last direction blk */ - __u8 DS1FLAG1; /* flag 1 */ - char DS1SYSCD[13]; /* system code */ - struct vtoc_labeldate DS1REFD; /* date last referenced */ - __u8 DS1SMSFG; /* system managed storage indicators */ - __u8 DS1SCXTF; /* sec. space extension flag byte */ - __u16 DS1SCXTV; /* secondary space extension value */ - __u8 DS1DSRG1; /* data set organisation byte 1 */ - __u8 DS1DSRG2; /* data set organisation byte 2 */ - __u8 DS1RECFM; /* record format */ - __u8 DS1OPTCD; /* option code */ - __u16 DS1BLKL; /* block length */ - __u16 DS1LRECL; /* record length */ - __u8 DS1KEYL; /* key length */ - __u16 DS1RKP; /* relative key position */ - __u8 DS1DSIND; /* data set indicators */ - __u8 DS1SCAL1; /* secondary allocation flag byte */ - char DS1SCAL3[3]; /* secondary allocation quantity */ - struct vtoc_ttr DS1LSTAR; /* last used track and block on track */ - __u16 DS1TRBAL; /* space remaining on last used track */ - __u16 res1; /* reserved */ - struct vtoc_extent DS1EXT1; /* first extent description */ - struct vtoc_extent DS1EXT2; /* second extent description */ - struct vtoc_extent DS1EXT3; /* third extent description */ - struct vtoc_cchhb DS1PTRDS; /* possible pointer to f2 or f3 DSCB */ -} __attribute__ ((packed)); - -struct vtoc_format4_label -{ - char DS4KEYCD[44]; /* key code for VTOC labels: 44 times 0x04 */ - __u8 DS4IDFMT; /* format identifier */ - struct vtoc_cchhb DS4HPCHR; /* highest address of a format 1 DSCB */ - __u16 DS4DSREC; /* number of available DSCB's */ - struct vtoc_cchh DS4HCCHH; /* CCHH of next available alternate track */ - __u16 DS4NOATK; /* number of remaining alternate tracks */ - __u8 DS4VTOCI; /* VTOC indicators */ - __u8 DS4NOEXT; /* number of extents in VTOC */ - __u8 DS4SMSFG; /* system managed storage indicators */ - __u8 DS4DEVAC; /* number of alternate cylinders. - * Subtract from first two bytes of - * DS4DEVSZ to get number of usable - * cylinders. can be zero. valid - * only if DS4DEVAV on. */ - struct vtoc_dev_const DS4DEVCT; /* device constants */ - char DS4AMTIM[8]; /* VSAM time stamp */ - char DS4AMCAT[3]; /* VSAM catalog indicator */ - char DS4R2TIM[8]; /* VSAM volume/catalog match time stamp */ - char res1[5]; /* reserved */ - char DS4F6PTR[5]; /* pointer to first format 6 DSCB */ - struct vtoc_extent DS4VTOCE; /* VTOC extent description */ - char res2[10]; /* reserved */ - __u8 DS4EFLVL; /* extended free-space management level */ - struct vtoc_cchhb DS4EFPTR; /* pointer to extended free-space info */ - char res3; /* reserved */ - __u32 DS4DCYL; /* number of logical cyls */ - char res4[2]; /* reserved */ - __u8 DS4DEVF2; /* device flags */ - char res5; /* reserved */ -} __attribute__ ((packed)); - -struct vtoc_ds5ext -{ - __u16 t; /* RTA of the first track of free extent */ - __u16 fc; /* number of whole cylinders in free ext. */ - __u8 ft; /* number of remaining free tracks */ -} __attribute__ ((packed)); - -struct vtoc_format5_label -{ - char DS5KEYID[4]; /* key identifier */ - struct vtoc_ds5ext DS5AVEXT; /* first available (free-space) extent. */ - struct vtoc_ds5ext DS5EXTAV[7]; /* seven available extents */ - __u8 DS5FMTID; /* format identifier */ - struct vtoc_ds5ext DS5MAVET[18]; /* eighteen available extents */ - struct vtoc_cchhb DS5PTRDS; /* pointer to next format5 DSCB */ -} __attribute__ ((packed)); - -struct vtoc_ds7ext -{ - __u32 a; /* starting RTA value */ - __u32 b; /* ending RTA value + 1 */ -} __attribute__ ((packed)); - -struct vtoc_format7_label -{ - char DS7KEYID[4]; /* key identifier */ - struct vtoc_ds7ext DS7EXTNT[5]; /* space for 5 extent descriptions */ - __u8 DS7FMTID; /* format identifier */ - struct vtoc_ds7ext DS7ADEXT[11]; /* space for 11 extent descriptions */ - char res1[2]; /* reserved */ - struct vtoc_cchhb DS7PTRDS; /* pointer to next FMT7 DSCB */ -} __attribute__ ((packed)); - -struct vtoc_cms_label { - __u8 label_id[4]; /* Label identifier */ - __u8 vol_id[6]; /* Volid */ - __u16 version_id; /* Version identifier */ - __u32 block_size; /* Disk block size */ - __u32 origin_ptr; /* Disk origin pointer */ - __u32 usable_count; /* Number of usable cylinders/blocks */ - __u32 formatted_count; /* Maximum number of formatted cylinders/ - * blocks */ - __u32 block_count; /* Disk size in CMS blocks */ - __u32 used_count; /* Number of CMS blocks in use */ - __u32 fst_size; /* File Status Table (FST) size */ - __u32 fst_count; /* Number of FSTs per CMS block */ - __u8 format_date[6]; /* Disk FORMAT date */ - __u8 reserved1[2]; - __u32 disk_offset; /* Disk offset when reserved*/ - __u32 map_block; /* Allocation Map Block with next hole */ - __u32 hblk_disp; /* Displacement into HBLK data of next hole */ - __u32 user_disp; /* Displacement into user part of Allocation - * map */ - __u8 reserved2[4]; - __u8 segment_name[8]; /* Name of shared segment */ -} __attribute__ ((packed)); - -#endif /* _ASM_S390_VTOC_H */ diff --git a/ANDROID_3.4.5/arch/s390/include/asm/xor.h b/ANDROID_3.4.5/arch/s390/include/asm/xor.h deleted file mode 100644 index c82eb12a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/xor.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/xor.h> diff --git a/ANDROID_3.4.5/arch/s390/include/asm/zcrypt.h b/ANDROID_3.4.5/arch/s390/include/asm/zcrypt.h deleted file mode 100644 index 00d3bbd4..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/zcrypt.h +++ /dev/null @@ -1,276 +0,0 @@ -/* - * include/asm-s390/zcrypt.h - * - * zcrypt 2.1.0 (user-visible header) - * - * Copyright (C) 2001, 2006 IBM Corporation - * Author(s): Robert Burroughs - * Eric Rossman (edrossma@us.ibm.com) - * - * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_S390_ZCRYPT_H -#define __ASM_S390_ZCRYPT_H - -#define ZCRYPT_VERSION 2 -#define ZCRYPT_RELEASE 1 -#define ZCRYPT_VARIANT 1 - -#include <linux/ioctl.h> -#include <linux/compiler.h> - -/** - * struct ica_rsa_modexpo - * - * Requirements: - * - outputdatalength is at least as large as inputdatalength. - * - All key parts are right justified in their fields, padded on - * the left with zeroes. - * - length(b_key) = inputdatalength - * - length(n_modulus) = inputdatalength - */ -struct ica_rsa_modexpo { - char __user * inputdata; - unsigned int inputdatalength; - char __user * outputdata; - unsigned int outputdatalength; - char __user * b_key; - char __user * n_modulus; -}; - -/** - * struct ica_rsa_modexpo_crt - * - * Requirements: - * - inputdatalength is even. - * - outputdatalength is at least as large as inputdatalength. - * - All key parts are right justified in their fields, padded on - * the left with zeroes. - * - length(bp_key) = inputdatalength/2 + 8 - * - length(bq_key) = inputdatalength/2 - * - length(np_key) = inputdatalength/2 + 8 - * - length(nq_key) = inputdatalength/2 - * - length(u_mult_inv) = inputdatalength/2 + 8 - */ -struct ica_rsa_modexpo_crt { - char __user * inputdata; - unsigned int inputdatalength; - char __user * outputdata; - unsigned int outputdatalength; - char __user * bp_key; - char __user * bq_key; - char __user * np_prime; - char __user * nq_prime; - char __user * u_mult_inv; -}; - -/** - * CPRBX - * Note that all shorts and ints are big-endian. - * All pointer fields are 16 bytes long, and mean nothing. - * - * A request CPRB is followed by a request_parameter_block. - * - * The request (or reply) parameter block is organized thus: - * function code - * VUD block - * key block - */ -struct CPRBX { - unsigned short cprb_len; /* CPRB length 220 */ - unsigned char cprb_ver_id; /* CPRB version id. 0x02 */ - unsigned char pad_000[3]; /* Alignment pad bytes */ - unsigned char func_id[2]; /* function id 0x5432 */ - unsigned char cprb_flags[4]; /* Flags */ - unsigned int req_parml; /* request parameter buffer len */ - unsigned int req_datal; /* request data buffer */ - unsigned int rpl_msgbl; /* reply message block length */ - unsigned int rpld_parml; /* replied parameter block len */ - unsigned int rpl_datal; /* reply data block len */ - unsigned int rpld_datal; /* replied data block len */ - unsigned int req_extbl; /* request extension block len */ - unsigned char pad_001[4]; /* reserved */ - unsigned int rpld_extbl; /* replied extension block len */ - unsigned char padx000[16 - sizeof (char *)]; - unsigned char * req_parmb; /* request parm block 'address' */ - unsigned char padx001[16 - sizeof (char *)]; - unsigned char * req_datab; /* request data block 'address' */ - unsigned char padx002[16 - sizeof (char *)]; - unsigned char * rpl_parmb; /* reply parm block 'address' */ - unsigned char padx003[16 - sizeof (char *)]; - unsigned char * rpl_datab; /* reply data block 'address' */ - unsigned char padx004[16 - sizeof (char *)]; - unsigned char * req_extb; /* request extension block 'addr'*/ - unsigned char padx005[16 - sizeof (char *)]; - unsigned char * rpl_extb; /* reply extension block 'address'*/ - unsigned short ccp_rtcode; /* server return code */ - unsigned short ccp_rscode; /* server reason code */ - unsigned int mac_data_len; /* Mac Data Length */ - unsigned char logon_id[8]; /* Logon Identifier */ - unsigned char mac_value[8]; /* Mac Value */ - unsigned char mac_content_flgs;/* Mac content flag byte */ - unsigned char pad_002; /* Alignment */ - unsigned short domain; /* Domain */ - unsigned char usage_domain[4];/* Usage domain */ - unsigned char cntrl_domain[4];/* Control domain */ - unsigned char S390enf_mask[4];/* S/390 enforcement mask */ - unsigned char pad_004[36]; /* reserved */ -} __attribute__((packed)); - -/** - * xcRB - */ -struct ica_xcRB { - unsigned short agent_ID; - unsigned int user_defined; - unsigned short request_ID; - unsigned int request_control_blk_length; - unsigned char padding1[16 - sizeof (char *)]; - char __user * request_control_blk_addr; - unsigned int request_data_length; - char padding2[16 - sizeof (char *)]; - char __user * request_data_address; - unsigned int reply_control_blk_length; - char padding3[16 - sizeof (char *)]; - char __user * reply_control_blk_addr; - unsigned int reply_data_length; - char padding4[16 - sizeof (char *)]; - char __user * reply_data_addr; - unsigned short priority_window; - unsigned int status; -} __attribute__((packed)); -#define AUTOSELECT ((unsigned int)0xFFFFFFFF) - -#define ZCRYPT_IOCTL_MAGIC 'z' - -/** - * Interface notes: - * - * The ioctl()s which are implemented (along with relevant details) - * are: - * - * ICARSAMODEXPO - * Perform an RSA operation using a Modulus-Exponent pair - * This takes an ica_rsa_modexpo struct as its arg. - * - * NOTE: please refer to the comments preceding this structure - * for the implementation details for the contents of the - * block - * - * ICARSACRT - * Perform an RSA operation using a Chinese-Remainder Theorem key - * This takes an ica_rsa_modexpo_crt struct as its arg. - * - * NOTE: please refer to the comments preceding this structure - * for the implementation details for the contents of the - * block - * - * ZSECSENDCPRB - * Send an arbitrary CPRB to a crypto card. - * - * Z90STAT_STATUS_MASK - * Return an 64 element array of unsigned chars for the status of - * all devices. - * 0x01: PCICA - * 0x02: PCICC - * 0x03: PCIXCC_MCL2 - * 0x04: PCIXCC_MCL3 - * 0x05: CEX2C - * 0x06: CEX2A - * 0x0d: device is disabled via the proc filesystem - * - * Z90STAT_QDEPTH_MASK - * Return an 64 element array of unsigned chars for the queue - * depth of all devices. - * - * Z90STAT_PERDEV_REQCNT - * Return an 64 element array of unsigned integers for the number - * of successfully completed requests per device since the device - * was detected and made available. - * - * Z90STAT_REQUESTQ_COUNT - * Return an integer count of the number of entries waiting to be - * sent to a device. - * - * Z90STAT_PENDINGQ_COUNT - * Return an integer count of the number of entries sent to all - * devices awaiting the reply. - * - * Z90STAT_TOTALOPEN_COUNT - * Return an integer count of the number of open file handles. - * - * Z90STAT_DOMAIN_INDEX - * Return the integer value of the Cryptographic Domain. - * - * The following ioctls are deprecated and should be no longer used: - * - * Z90STAT_TOTALCOUNT - * Return an integer count of all device types together. - * - * Z90STAT_PCICACOUNT - * Return an integer count of all PCICAs. - * - * Z90STAT_PCICCCOUNT - * Return an integer count of all PCICCs. - * - * Z90STAT_PCIXCCMCL2COUNT - * Return an integer count of all MCL2 PCIXCCs. - * - * Z90STAT_PCIXCCMCL3COUNT - * Return an integer count of all MCL3 PCIXCCs. - * - * Z90STAT_CEX2CCOUNT - * Return an integer count of all CEX2Cs. - * - * Z90STAT_CEX2ACOUNT - * Return an integer count of all CEX2As. - * - * ICAZ90STATUS - * Return some device driver status in a ica_z90_status struct - * This takes an ica_z90_status struct as its arg. - * - * Z90STAT_PCIXCCCOUNT - * Return an integer count of all PCIXCCs (MCL2 + MCL3). - * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from - * MCL2 PCIXCCs. - */ - -/** - * Supported ioctl calls - */ -#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0) -#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0) -#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0) - -/* New status calls */ -#define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int) -#define Z90STAT_PCICACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int) -#define Z90STAT_PCICCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int) -#define Z90STAT_PCIXCCMCL2COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int) -#define Z90STAT_PCIXCCMCL3COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int) -#define Z90STAT_CEX2CCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int) -#define Z90STAT_CEX2ACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int) -#define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int) -#define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int) -#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int) -#define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int) -#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64]) -#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64]) -#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64]) - -#endif /* __ASM_S390_ZCRYPT_H */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/Makefile b/ANDROID_3.4.5/arch/s390/kernel/Makefile deleted file mode 100644 index 884b18af..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/Makefile +++ /dev/null @@ -1,61 +0,0 @@ -# -# Makefile for the linux kernel. -# - -ifdef CONFIG_FUNCTION_TRACER -# Don't trace early setup code and tracing code -CFLAGS_REMOVE_early.o = -pg -CFLAGS_REMOVE_ftrace.o = -pg -endif - -# -# Passing null pointers is ok for smp code, since we access the lowcore here. -# -CFLAGS_smp.o := -Wno-nonnull - -# -# Pass UTS_MACHINE for user_regset definition -# -CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' - -CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w - -obj-y := bitmap.o traps.o time.o process.o base.o early.o setup.o vtime.o \ - processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o \ - debug.o irq.o ipl.o dis.o diag.o mem_detect.o sclp.o vdso.o \ - sysinfo.o jump_label.o lgr.o os_info.o - -obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o) -obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o) - -extra-y += head.o init_task.o vmlinux.lds -extra-y += $(if $(CONFIG_64BIT),head64.o,head31.o) - -obj-$(CONFIG_MODULES) += s390_ksyms.o module.o -obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_SCHED_BOOK) += topology.o -obj-$(CONFIG_HIBERNATION) += suspend.o swsusp_asm64.o -obj-$(CONFIG_AUDIT) += audit.o -compat-obj-$(CONFIG_AUDIT) += compat_audit.o -obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \ - compat_wrapper.o compat_exec_domain.o \ - $(compat-obj-y) - -obj-$(CONFIG_STACKTRACE) += stacktrace.o -obj-$(CONFIG_KPROBES) += kprobes.o -obj-$(CONFIG_FUNCTION_TRACER) += $(if $(CONFIG_64BIT),mcount64.o,mcount.o) -obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o -obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o -obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o -obj-$(CONFIG_CRASH_DUMP) += crash_dump.o -obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf.o - -# Kexec part -S390_KEXEC_OBJS := machine_kexec.o crash.o -S390_KEXEC_OBJS += $(if $(CONFIG_64BIT),relocate_kernel64.o,relocate_kernel.o) -obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS) - -# vdso -obj-$(CONFIG_64BIT) += vdso64/ -obj-$(CONFIG_32BIT) += vdso32/ -obj-$(CONFIG_COMPAT) += vdso32/ diff --git a/ANDROID_3.4.5/arch/s390/kernel/asm-offsets.c b/ANDROID_3.4.5/arch/s390/kernel/asm-offsets.c deleted file mode 100644 index 83e6edf5..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/asm-offsets.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Generate definitions needed by assembly language modules. - * This code generates raw asm output which is post-processed to extract - * and format the required data. - */ - -#define ASM_OFFSETS_C - -#include <linux/kbuild.h> -#include <linux/sched.h> -#include <asm/cputime.h> -#include <asm/timer.h> -#include <asm/vdso.h> -#include <asm/pgtable.h> - -/* - * Make sure that the compiler is new enough. We want a compiler that - * is known to work with the "Q" assembler constraint. - */ -#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -#error Your compiler is too old; please use version 3.3.3 or newer -#endif - -int main(void) -{ - DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); - DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); - DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment)); - BLANK(); - DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); - BLANK(); - DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause)); - DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address)); - DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid)); - BLANK(); - DEFINE(__TI_task, offsetof(struct thread_info, task)); - DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain)); - DEFINE(__TI_flags, offsetof(struct thread_info, flags)); - DEFINE(__TI_cpu, offsetof(struct thread_info, cpu)); - DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count)); - DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer)); - DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer)); - DEFINE(__TI_last_break, offsetof(struct thread_info, last_break)); - BLANK(); - DEFINE(__PT_ARGS, offsetof(struct pt_regs, args)); - DEFINE(__PT_PSW, offsetof(struct pt_regs, psw)); - DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs)); - DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2)); - DEFINE(__PT_INT_CODE, offsetof(struct pt_regs, int_code)); - DEFINE(__PT_INT_PARM_LONG, offsetof(struct pt_regs, int_parm_long)); - DEFINE(__PT_SIZE, sizeof(struct pt_regs)); - BLANK(); - DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain)); - DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs)); - DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1)); - BLANK(); - /* timeval/timezone offsets for use by vdso */ - DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count)); - DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp)); - DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec)); - DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec)); - DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec)); - DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); - DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest)); - DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available)); - DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult)); - DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base)); - DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time)); - /* constants used by the vdso */ - DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME); - DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC); - DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); - BLANK(); - /* idle data offsets */ - DEFINE(__IDLE_ENTER, offsetof(struct s390_idle_data, idle_enter)); - DEFINE(__IDLE_EXIT, offsetof(struct s390_idle_data, idle_exit)); - /* vtimer queue offsets */ - DEFINE(__VQ_IDLE_ENTER, offsetof(struct vtimer_queue, idle_enter)); - DEFINE(__VQ_IDLE_EXIT, offsetof(struct vtimer_queue, idle_exit)); - /* lowcore offsets */ - DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params)); - DEFINE(__LC_EXT_CPU_ADDR, offsetof(struct _lowcore, ext_cpu_addr)); - DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code)); - DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc)); - DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code)); - DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc)); - DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code)); - DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code)); - DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid)); - DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address)); - DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id)); - DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id)); - DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id)); - DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr)); - DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm)); - DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word)); - DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list)); - DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code)); - DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw)); - DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw)); - DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw)); - DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw)); - DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw)); - DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw)); - DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw)); - DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw)); - DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw)); - DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw)); - DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw)); - DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw)); - BLANK(); - DEFINE(__LC_SAVE_AREA_SYNC, offsetof(struct _lowcore, save_area_sync)); - DEFINE(__LC_SAVE_AREA_ASYNC, offsetof(struct _lowcore, save_area_async)); - DEFINE(__LC_SAVE_AREA_RESTART, offsetof(struct _lowcore, save_area_restart)); - DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw)); - DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw)); - DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer)); - DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer)); - DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer)); - DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer)); - DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer)); - DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer)); - DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer)); - DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer)); - DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock)); - DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task)); - DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid)); - DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info)); - DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack)); - DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack)); - DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack)); - DEFINE(__LC_RESTART_STACK, offsetof(struct _lowcore, restart_stack)); - DEFINE(__LC_RESTART_FN, offsetof(struct _lowcore, restart_fn)); - DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce)); - DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock)); - DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock)); - DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags)); - DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func)); - DEFINE(__LC_IRB, offsetof(struct _lowcore, irb)); - DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib)); - BLANK(); - DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area)); - DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area)); - DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area)); - DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area)); - DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area)); - DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area)); - DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area)); - DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area)); -#ifdef CONFIG_32BIT - DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr)); -#else /* CONFIG_32BIT */ - DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2)); - DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area)); - DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste)); - DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area)); - DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr)); - DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); - DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); - DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); -#endif /* CONFIG_32BIT */ - return 0; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/audit.c b/ANDROID_3.4.5/arch/s390/kernel/audit.c deleted file mode 100644 index f4932c22..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/audit.c +++ /dev/null @@ -1,78 +0,0 @@ -#include <linux/init.h> -#include <linux/types.h> -#include <linux/audit.h> -#include <asm/unistd.h> -#include "audit.h" - -static unsigned dir_class[] = { -#include <asm-generic/audit_dir_write.h> -~0U -}; - -static unsigned read_class[] = { -#include <asm-generic/audit_read.h> -~0U -}; - -static unsigned write_class[] = { -#include <asm-generic/audit_write.h> -~0U -}; - -static unsigned chattr_class[] = { -#include <asm-generic/audit_change_attr.h> -~0U -}; - -static unsigned signal_class[] = { -#include <asm-generic/audit_signal.h> -~0U -}; - -int audit_classify_arch(int arch) -{ -#ifdef CONFIG_COMPAT - if (arch == AUDIT_ARCH_S390) - return 1; -#endif - return 0; -} - -int audit_classify_syscall(int abi, unsigned syscall) -{ -#ifdef CONFIG_COMPAT - if (abi == AUDIT_ARCH_S390) - return s390_classify_syscall(syscall); -#endif - switch(syscall) { - case __NR_open: - return 2; - case __NR_openat: - return 3; - case __NR_socketcall: - return 4; - case __NR_execve: - return 5; - default: - return 0; - } -} - -static int __init audit_classes_init(void) -{ -#ifdef CONFIG_COMPAT - audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class); - audit_register_class(AUDIT_CLASS_READ_32, s390_read_class); - audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class); - audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class); - audit_register_class(AUDIT_CLASS_SIGNAL_32, s390_signal_class); -#endif - audit_register_class(AUDIT_CLASS_WRITE, write_class); - audit_register_class(AUDIT_CLASS_READ, read_class); - audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); - audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); - audit_register_class(AUDIT_CLASS_SIGNAL, signal_class); - return 0; -} - -__initcall(audit_classes_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/audit.h b/ANDROID_3.4.5/arch/s390/kernel/audit.h deleted file mode 100644 index 12b56f4b..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/audit.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef __ARCH_S390_KERNEL_AUDIT_H -#define __ARCH_S390_KERNEL_AUDIT_H - -#include <linux/types.h> - -#ifdef CONFIG_COMPAT -extern int s390_classify_syscall(unsigned); -extern __u32 s390_dir_class[]; -extern __u32 s390_write_class[]; -extern __u32 s390_read_class[]; -extern __u32 s390_chattr_class[]; -extern __u32 s390_signal_class[]; -#endif /* CONFIG_COMPAT */ - -#endif /* __ARCH_S390_KERNEL_AUDIT_H */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/base.S b/ANDROID_3.4.5/arch/s390/kernel/base.S deleted file mode 100644 index 3aa4d00a..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/base.S +++ /dev/null @@ -1,193 +0,0 @@ -/* - * arch/s390/kernel/base.S - * - * Copyright IBM Corp. 2006,2007 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - * Michael Holzheu <holzheu@de.ibm.com> - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/ptrace.h> - -#ifdef CONFIG_64BIT - -ENTRY(s390_base_mcck_handler) - basr %r13,0 -0: lg %r15,__LC_PANIC_STACK # load panic stack - aghi %r15,-STACK_FRAME_OVERHEAD - larl %r1,s390_base_mcck_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 - jz 1f - basr %r14,%r1 -1: la %r1,4095 - lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1) - lpswe __LC_MCK_OLD_PSW - - .section .bss - .align 8 - .globl s390_base_mcck_handler_fn -s390_base_mcck_handler_fn: - .quad 0 - .previous - -ENTRY(s390_base_ext_handler) - stmg %r0,%r15,__LC_SAVE_AREA_ASYNC - basr %r13,0 -0: aghi %r15,-STACK_FRAME_OVERHEAD - larl %r1,s390_base_ext_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 - jz 1f - basr %r14,%r1 -1: lmg %r0,%r15,__LC_SAVE_AREA_ASYNC - ni __LC_EXT_OLD_PSW+1,0xfd # clear wait state bit - lpswe __LC_EXT_OLD_PSW - - .section .bss - .align 8 - .globl s390_base_ext_handler_fn -s390_base_ext_handler_fn: - .quad 0 - .previous - -ENTRY(s390_base_pgm_handler) - stmg %r0,%r15,__LC_SAVE_AREA_SYNC - basr %r13,0 -0: aghi %r15,-STACK_FRAME_OVERHEAD - larl %r1,s390_base_pgm_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 - jz 1f - basr %r14,%r1 - lmg %r0,%r15,__LC_SAVE_AREA_SYNC - lpswe __LC_PGM_OLD_PSW -1: lpswe disabled_wait_psw-0b(%r13) - - .align 8 -disabled_wait_psw: - .quad 0x0002000180000000,0x0000000000000000 + s390_base_pgm_handler - - .section .bss - .align 8 - .globl s390_base_pgm_handler_fn -s390_base_pgm_handler_fn: - .quad 0 - .previous - -# -# Calls diag 308 subcode 1 and continues execution -# -# The following conditions must be ensured before calling this function: -# * Prefix register = 0 -# * Lowcore protection is disabled -# -ENTRY(diag308_reset) - larl %r4,.Lctlregs # Save control registers - stctg %c0,%c15,0(%r4) - larl %r4,.Lfpctl # Floating point control register - stfpc 0(%r4) - larl %r4,.Lrestart_psw # Setup restart PSW at absolute 0 - lghi %r3,0 - lg %r4,0(%r4) # Save PSW - sturg %r4,%r3 # Use sturg, because of large pages - lghi %r1,1 - diag %r1,%r1,0x308 -.Lrestart_part2: - lhi %r0,0 # Load r0 with zero - lhi %r1,2 # Use mode 2 = ESAME (dump) - sigp %r1,%r0,0x12 # Switch to ESAME mode - sam64 # Switch to 64 bit addressing mode - larl %r4,.Lctlregs # Restore control registers - lctlg %c0,%c15,0(%r4) - larl %r4,.Lfpctl # Restore floating point ctl register - lfpc 0(%r4) - br %r14 -.align 16 -.Lrestart_psw: - .long 0x00080000,0x80000000 + .Lrestart_part2 - - .section .bss -.align 8 -.Lctlregs: - .rept 16 - .quad 0 - .endr -.Lfpctl: - .long 0 - .previous - -#else /* CONFIG_64BIT */ - -ENTRY(s390_base_mcck_handler) - basr %r13,0 -0: l %r15,__LC_PANIC_STACK # load panic stack - ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,2f-0b(%r13) - l %r1,0(%r1) - ltr %r1,%r1 - jz 1f - basr %r14,%r1 -1: lm %r0,%r15,__LC_GPREGS_SAVE_AREA - lpsw __LC_MCK_OLD_PSW - -2: .long s390_base_mcck_handler_fn - - .section .bss - .align 4 - .globl s390_base_mcck_handler_fn -s390_base_mcck_handler_fn: - .long 0 - .previous - -ENTRY(s390_base_ext_handler) - stm %r0,%r15,__LC_SAVE_AREA_ASYNC - basr %r13,0 -0: ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,2f-0b(%r13) - l %r1,0(%r1) - ltr %r1,%r1 - jz 1f - basr %r14,%r1 -1: lm %r0,%r15,__LC_SAVE_AREA_ASYNC - ni __LC_EXT_OLD_PSW+1,0xfd # clear wait state bit - lpsw __LC_EXT_OLD_PSW - -2: .long s390_base_ext_handler_fn - - .section .bss - .align 4 - .globl s390_base_ext_handler_fn -s390_base_ext_handler_fn: - .long 0 - .previous - -ENTRY(s390_base_pgm_handler) - stm %r0,%r15,__LC_SAVE_AREA_SYNC - basr %r13,0 -0: ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,2f-0b(%r13) - l %r1,0(%r1) - ltr %r1,%r1 - jz 1f - basr %r14,%r1 - lm %r0,%r15,__LC_SAVE_AREA_SYNC - lpsw __LC_PGM_OLD_PSW - -1: lpsw disabled_wait_psw-0b(%r13) - -2: .long s390_base_pgm_handler_fn - -disabled_wait_psw: - .align 8 - .long 0x000a0000,0x00000000 + s390_base_pgm_handler - - .section .bss - .align 4 - .globl s390_base_pgm_handler_fn -s390_base_pgm_handler_fn: - .long 0 - .previous - -#endif /* CONFIG_64BIT */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/bitmap.c b/ANDROID_3.4.5/arch/s390/kernel/bitmap.c deleted file mode 100644 index 3ae4757b..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/bitmap.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Bitmaps for set_bit, clear_bit, test_and_set_bit, ... - * See include/asm/{bitops.h|posix_types.h} for details - * - * Copyright IBM Corp. 1999,2009 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - */ - -#include <linux/bitops.h> -#include <linux/module.h> - -const char _oi_bitmap[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; -EXPORT_SYMBOL(_oi_bitmap); - -const char _ni_bitmap[] = { 0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f }; -EXPORT_SYMBOL(_ni_bitmap); - -const char _zb_findmap[] = { - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,7, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4, - 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,8 }; -EXPORT_SYMBOL(_zb_findmap); - -const char _sb_findmap[] = { - 8,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 7,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0, - 4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0 }; -EXPORT_SYMBOL(_sb_findmap); diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_audit.c b/ANDROID_3.4.5/arch/s390/kernel/compat_audit.c deleted file mode 100644 index d6487bf8..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_audit.c +++ /dev/null @@ -1,44 +0,0 @@ -#undef __s390x__ -#include <asm/unistd.h> -#include "audit.h" - -unsigned s390_dir_class[] = { -#include <asm-generic/audit_dir_write.h> -~0U -}; - -unsigned s390_chattr_class[] = { -#include <asm-generic/audit_change_attr.h> -~0U -}; - -unsigned s390_write_class[] = { -#include <asm-generic/audit_write.h> -~0U -}; - -unsigned s390_read_class[] = { -#include <asm-generic/audit_read.h> -~0U -}; - -unsigned s390_signal_class[] = { -#include <asm-generic/audit_signal.h> -~0U -}; - -int s390_classify_syscall(unsigned syscall) -{ - switch(syscall) { - case __NR_open: - return 2; - case __NR_openat: - return 3; - case __NR_socketcall: - return 4; - case __NR_execve: - return 5; - default: - return 1; - } -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_exec_domain.c b/ANDROID_3.4.5/arch/s390/kernel/compat_exec_domain.c deleted file mode 100644 index 914d4944..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_exec_domain.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Support for 32-bit Linux for S390 personality. - * - * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Gerhard Tonn (ton@de.ibm.com) - * - * - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/personality.h> -#include <linux/sched.h> - -static struct exec_domain s390_exec_domain; - -static int __init s390_init (void) -{ - s390_exec_domain.name = "Linux/s390"; - s390_exec_domain.handler = NULL; - s390_exec_domain.pers_low = PER_LINUX32; - s390_exec_domain.pers_high = PER_LINUX32; - s390_exec_domain.signal_map = default_exec_domain.signal_map; - s390_exec_domain.signal_invmap = default_exec_domain.signal_invmap; - register_exec_domain(&s390_exec_domain); - return 0; -} - -__initcall(s390_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_linux.c b/ANDROID_3.4.5/arch/s390/kernel/compat_linux.c deleted file mode 100644 index ab64bdba..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_linux.c +++ /dev/null @@ -1,681 +0,0 @@ -/* - * arch/s390x/kernel/linux32.c - * - * S390 version - * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Gerhard Tonn (ton@de.ibm.com) - * Thomas Spatzier (tspat@de.ibm.com) - * - * Conversion between 31bit and 64bit native syscalls. - * - * Heavily inspired by the 32-bit Sparc compat code which is - * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) - * - */ - - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/file.h> -#include <linux/signal.h> -#include <linux/resource.h> -#include <linux/times.h> -#include <linux/smp.h> -#include <linux/sem.h> -#include <linux/msg.h> -#include <linux/shm.h> -#include <linux/uio.h> -#include <linux/quota.h> -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/personality.h> -#include <linux/stat.h> -#include <linux/filter.h> -#include <linux/highmem.h> -#include <linux/highuid.h> -#include <linux/mman.h> -#include <linux/ipv6.h> -#include <linux/in.h> -#include <linux/icmpv6.h> -#include <linux/syscalls.h> -#include <linux/sysctl.h> -#include <linux/binfmts.h> -#include <linux/capability.h> -#include <linux/compat.h> -#include <linux/vfs.h> -#include <linux/ptrace.h> -#include <linux/fadvise.h> -#include <linux/ipc.h> -#include <linux/slab.h> - -#include <asm/types.h> -#include <asm/uaccess.h> - -#include <net/scm.h> -#include <net/sock.h> - -#include "compat_linux.h" - -u32 psw32_user_bits = PSW32_MASK_DAT | PSW32_MASK_IO | PSW32_MASK_EXT | - PSW32_DEFAULT_KEY | PSW32_MASK_BASE | PSW32_MASK_MCHECK | - PSW32_MASK_PSTATE | PSW32_ASC_HOME; - -/* For this source file, we want overflow handling. */ - -#undef high2lowuid -#undef high2lowgid -#undef low2highuid -#undef low2highgid -#undef SET_UID16 -#undef SET_GID16 -#undef NEW_TO_OLD_UID -#undef NEW_TO_OLD_GID -#undef SET_OLDSTAT_UID -#undef SET_OLDSTAT_GID -#undef SET_STAT_UID -#undef SET_STAT_GID - -#define high2lowuid(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid) -#define high2lowgid(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid) -#define low2highuid(uid) ((uid) == (u16)-1) ? (uid_t)-1 : (uid_t)(uid) -#define low2highgid(gid) ((gid) == (u16)-1) ? (gid_t)-1 : (gid_t)(gid) -#define SET_UID16(var, uid) var = high2lowuid(uid) -#define SET_GID16(var, gid) var = high2lowgid(gid) -#define NEW_TO_OLD_UID(uid) high2lowuid(uid) -#define NEW_TO_OLD_GID(gid) high2lowgid(gid) -#define SET_OLDSTAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid) -#define SET_OLDSTAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid) -#define SET_STAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid) -#define SET_STAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid) - -asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group) -{ - return sys_chown(filename, low2highuid(user), low2highgid(group)); -} - -asmlinkage long sys32_lchown16(const char __user * filename, u16 user, u16 group) -{ - return sys_lchown(filename, low2highuid(user), low2highgid(group)); -} - -asmlinkage long sys32_fchown16(unsigned int fd, u16 user, u16 group) -{ - return sys_fchown(fd, low2highuid(user), low2highgid(group)); -} - -asmlinkage long sys32_setregid16(u16 rgid, u16 egid) -{ - return sys_setregid(low2highgid(rgid), low2highgid(egid)); -} - -asmlinkage long sys32_setgid16(u16 gid) -{ - return sys_setgid((gid_t)gid); -} - -asmlinkage long sys32_setreuid16(u16 ruid, u16 euid) -{ - return sys_setreuid(low2highuid(ruid), low2highuid(euid)); -} - -asmlinkage long sys32_setuid16(u16 uid) -{ - return sys_setuid((uid_t)uid); -} - -asmlinkage long sys32_setresuid16(u16 ruid, u16 euid, u16 suid) -{ - return sys_setresuid(low2highuid(ruid), low2highuid(euid), - low2highuid(suid)); -} - -asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid) -{ - int retval; - - if (!(retval = put_user(high2lowuid(current->cred->uid), ruid)) && - !(retval = put_user(high2lowuid(current->cred->euid), euid))) - retval = put_user(high2lowuid(current->cred->suid), suid); - - return retval; -} - -asmlinkage long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid) -{ - return sys_setresgid(low2highgid(rgid), low2highgid(egid), - low2highgid(sgid)); -} - -asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid) -{ - int retval; - - if (!(retval = put_user(high2lowgid(current->cred->gid), rgid)) && - !(retval = put_user(high2lowgid(current->cred->egid), egid))) - retval = put_user(high2lowgid(current->cred->sgid), sgid); - - return retval; -} - -asmlinkage long sys32_setfsuid16(u16 uid) -{ - return sys_setfsuid((uid_t)uid); -} - -asmlinkage long sys32_setfsgid16(u16 gid) -{ - return sys_setfsgid((gid_t)gid); -} - -static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info) -{ - int i; - u16 group; - - for (i = 0; i < group_info->ngroups; i++) { - group = (u16)GROUP_AT(group_info, i); - if (put_user(group, grouplist+i)) - return -EFAULT; - } - - return 0; -} - -static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist) -{ - int i; - u16 group; - - for (i = 0; i < group_info->ngroups; i++) { - if (get_user(group, grouplist+i)) - return -EFAULT; - GROUP_AT(group_info, i) = (gid_t)group; - } - - return 0; -} - -asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist) -{ - int i; - - if (gidsetsize < 0) - return -EINVAL; - - get_group_info(current->cred->group_info); - i = current->cred->group_info->ngroups; - if (gidsetsize) { - if (i > gidsetsize) { - i = -EINVAL; - goto out; - } - if (groups16_to_user(grouplist, current->cred->group_info)) { - i = -EFAULT; - goto out; - } - } -out: - put_group_info(current->cred->group_info); - return i; -} - -asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist) -{ - struct group_info *group_info; - int retval; - - if (!capable(CAP_SETGID)) - return -EPERM; - if ((unsigned)gidsetsize > NGROUPS_MAX) - return -EINVAL; - - group_info = groups_alloc(gidsetsize); - if (!group_info) - return -ENOMEM; - retval = groups16_from_user(group_info, grouplist); - if (retval) { - put_group_info(group_info); - return retval; - } - - retval = set_current_groups(group_info); - put_group_info(group_info); - - return retval; -} - -asmlinkage long sys32_getuid16(void) -{ - return high2lowuid(current->cred->uid); -} - -asmlinkage long sys32_geteuid16(void) -{ - return high2lowuid(current->cred->euid); -} - -asmlinkage long sys32_getgid16(void) -{ - return high2lowgid(current->cred->gid); -} - -asmlinkage long sys32_getegid16(void) -{ - return high2lowgid(current->cred->egid); -} - -/* - * sys32_ipc() is the de-multiplexer for the SysV IPC calls in 32bit emulation. - * - * This is really horribly ugly. - */ -#ifdef CONFIG_SYSVIPC -asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr) -{ - if (call >> 16) /* hack for backward compatibility */ - return -EINVAL; - switch (call) { - case SEMTIMEDOP: - return compat_sys_semtimedop(first, compat_ptr(ptr), - second, compat_ptr(third)); - case SEMOP: - /* struct sembuf is the same on 32 and 64bit :)) */ - return sys_semtimedop(first, compat_ptr(ptr), - second, NULL); - case SEMGET: - return sys_semget(first, second, third); - case SEMCTL: - return compat_sys_semctl(first, second, third, - compat_ptr(ptr)); - case MSGSND: - return compat_sys_msgsnd(first, second, third, - compat_ptr(ptr)); - case MSGRCV: - return compat_sys_msgrcv(first, second, 0, third, - 0, compat_ptr(ptr)); - case MSGGET: - return sys_msgget((key_t) first, second); - case MSGCTL: - return compat_sys_msgctl(first, second, compat_ptr(ptr)); - case SHMAT: - return compat_sys_shmat(first, second, third, - 0, compat_ptr(ptr)); - case SHMDT: - return sys_shmdt(compat_ptr(ptr)); - case SHMGET: - return sys_shmget(first, (unsigned)second, third); - case SHMCTL: - return compat_sys_shmctl(first, second, compat_ptr(ptr)); - } - - return -ENOSYS; -} -#endif - -asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low) -{ - if ((int)high < 0) - return -EINVAL; - else - return sys_truncate(path, (high << 32) | low); -} - -asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low) -{ - if ((int)high < 0) - return -EINVAL; - else - return sys_ftruncate(fd, (high << 32) | low); -} - -asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval) -{ - struct timespec t; - int ret; - mm_segment_t old_fs = get_fs (); - - set_fs (KERNEL_DS); - ret = sys_sched_rr_get_interval(pid, - (struct timespec __force __user *) &t); - set_fs (old_fs); - if (put_compat_timespec(&t, interval)) - return -EFAULT; - return ret; -} - -asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, - compat_sigset_t __user *oset, size_t sigsetsize) -{ - sigset_t s; - compat_sigset_t s32; - int ret; - mm_segment_t old_fs = get_fs(); - - if (set) { - if (copy_from_user (&s32, set, sizeof(compat_sigset_t))) - return -EFAULT; - s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32); - } - set_fs (KERNEL_DS); - ret = sys_rt_sigprocmask(how, - set ? (sigset_t __force __user *) &s : NULL, - oset ? (sigset_t __force __user *) &s : NULL, - sigsetsize); - set_fs (old_fs); - if (ret) return ret; - if (oset) { - s32.sig[1] = (s.sig[0] >> 32); - s32.sig[0] = s.sig[0]; - if (copy_to_user (oset, &s32, sizeof(compat_sigset_t))) - return -EFAULT; - } - return 0; -} - -asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set, - size_t sigsetsize) -{ - sigset_t s; - compat_sigset_t s32; - int ret; - mm_segment_t old_fs = get_fs(); - - set_fs (KERNEL_DS); - ret = sys_rt_sigpending((sigset_t __force __user *) &s, sigsetsize); - set_fs (old_fs); - if (!ret) { - s32.sig[1] = (s.sig[0] >> 32); - s32.sig[0] = s.sig[0]; - if (copy_to_user (set, &s32, sizeof(compat_sigset_t))) - return -EFAULT; - } - return ret; -} - -asmlinkage long -sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo) -{ - siginfo_t info; - int ret; - mm_segment_t old_fs = get_fs(); - - if (copy_siginfo_from_user32(&info, uinfo)) - return -EFAULT; - set_fs (KERNEL_DS); - ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force __user *) &info); - set_fs (old_fs); - return ret; -} - -/* - * sys32_execve() executes a new program after the asm stub has set - * things up for us. This should basically do what I want it to. - */ -asmlinkage long sys32_execve(const char __user *name, compat_uptr_t __user *argv, - compat_uptr_t __user *envp) -{ - struct pt_regs *regs = task_pt_regs(current); - char *filename; - long rc; - - filename = getname(name); - rc = PTR_ERR(filename); - if (IS_ERR(filename)) - return rc; - rc = compat_do_execve(filename, argv, envp, regs); - if (rc) - goto out; - current->thread.fp_regs.fpc=0; - asm volatile("sfpc %0,0" : : "d" (0)); - rc = regs->gprs[2]; -out: - putname(filename); - return rc; -} - -asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf, - size_t count, u32 poshi, u32 poslo) -{ - if ((compat_ssize_t) count < 0) - return -EINVAL; - return sys_pread64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); -} - -asmlinkage long sys32_pwrite64(unsigned int fd, const char __user *ubuf, - size_t count, u32 poshi, u32 poslo) -{ - if ((compat_ssize_t) count < 0) - return -EINVAL; - return sys_pwrite64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); -} - -asmlinkage compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count) -{ - return sys_readahead(fd, ((loff_t)AA(offhi) << 32) | AA(offlo), count); -} - -asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, size_t count) -{ - mm_segment_t old_fs = get_fs(); - int ret; - off_t of; - - if (offset && get_user(of, offset)) - return -EFAULT; - - set_fs(KERNEL_DS); - ret = sys_sendfile(out_fd, in_fd, - offset ? (off_t __force __user *) &of : NULL, count); - set_fs(old_fs); - - if (offset && put_user(of, offset)) - return -EFAULT; - - return ret; -} - -asmlinkage long sys32_sendfile64(int out_fd, int in_fd, - compat_loff_t __user *offset, s32 count) -{ - mm_segment_t old_fs = get_fs(); - int ret; - loff_t lof; - - if (offset && get_user(lof, offset)) - return -EFAULT; - - set_fs(KERNEL_DS); - ret = sys_sendfile64(out_fd, in_fd, - offset ? (loff_t __force __user *) &lof : NULL, - count); - set_fs(old_fs); - - if (offset && put_user(lof, offset)) - return -EFAULT; - - return ret; -} - -struct stat64_emu31 { - unsigned long long st_dev; - unsigned int __pad1; -#define STAT64_HAS_BROKEN_ST_INO 1 - u32 __st_ino; - unsigned int st_mode; - unsigned int st_nlink; - u32 st_uid; - u32 st_gid; - unsigned long long st_rdev; - unsigned int __pad3; - long st_size; - u32 st_blksize; - unsigned char __pad4[4]; - u32 __pad5; /* future possible st_blocks high bits */ - u32 st_blocks; /* Number 512-byte blocks allocated. */ - u32 st_atime; - u32 __pad6; - u32 st_mtime; - u32 __pad7; - u32 st_ctime; - u32 __pad8; /* will be high 32 bits of ctime someday */ - unsigned long st_ino; -}; - -static int cp_stat64(struct stat64_emu31 __user *ubuf, struct kstat *stat) -{ - struct stat64_emu31 tmp; - - memset(&tmp, 0, sizeof(tmp)); - - tmp.st_dev = huge_encode_dev(stat->dev); - tmp.st_ino = stat->ino; - tmp.__st_ino = (u32)stat->ino; - tmp.st_mode = stat->mode; - tmp.st_nlink = (unsigned int)stat->nlink; - tmp.st_uid = stat->uid; - tmp.st_gid = stat->gid; - tmp.st_rdev = huge_encode_dev(stat->rdev); - tmp.st_size = stat->size; - tmp.st_blksize = (u32)stat->blksize; - tmp.st_blocks = (u32)stat->blocks; - tmp.st_atime = (u32)stat->atime.tv_sec; - tmp.st_mtime = (u32)stat->mtime.tv_sec; - tmp.st_ctime = (u32)stat->ctime.tv_sec; - - return copy_to_user(ubuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; -} - -asmlinkage long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf) -{ - struct kstat stat; - int ret = vfs_stat(filename, &stat); - if (!ret) - ret = cp_stat64(statbuf, &stat); - return ret; -} - -asmlinkage long sys32_lstat64(const char __user * filename, struct stat64_emu31 __user * statbuf) -{ - struct kstat stat; - int ret = vfs_lstat(filename, &stat); - if (!ret) - ret = cp_stat64(statbuf, &stat); - return ret; -} - -asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf) -{ - struct kstat stat; - int ret = vfs_fstat(fd, &stat); - if (!ret) - ret = cp_stat64(statbuf, &stat); - return ret; -} - -asmlinkage long sys32_fstatat64(unsigned int dfd, const char __user *filename, - struct stat64_emu31 __user* statbuf, int flag) -{ - struct kstat stat; - int error; - - error = vfs_fstatat(dfd, filename, &stat, flag); - if (error) - return error; - return cp_stat64(statbuf, &stat); -} - -/* - * Linux/i386 didn't use to be able to handle more than - * 4 system call parameters, so these system calls used a memory - * block for parameter passing.. - */ - -struct mmap_arg_struct_emu31 { - compat_ulong_t addr; - compat_ulong_t len; - compat_ulong_t prot; - compat_ulong_t flags; - compat_ulong_t fd; - compat_ulong_t offset; -}; - -asmlinkage unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg) -{ - struct mmap_arg_struct_emu31 a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - if (a.offset & ~PAGE_MASK) - return -EINVAL; - a.addr = (unsigned long) compat_ptr(a.addr); - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); -} - -asmlinkage long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg) -{ - struct mmap_arg_struct_emu31 a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - a.addr = (unsigned long) compat_ptr(a.addr); - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); -} - -asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count) -{ - if ((compat_ssize_t) count < 0) - return -EINVAL; - - return sys_read(fd, buf, count); -} - -asmlinkage long sys32_write(unsigned int fd, const char __user * buf, size_t count) -{ - if ((compat_ssize_t) count < 0) - return -EINVAL; - - return sys_write(fd, buf, count); -} - -/* - * 31 bit emulation wrapper functions for sys_fadvise64/fadvise64_64. - * These need to rewrite the advise values for POSIX_FADV_{DONTNEED,NOREUSE} - * because the 31 bit values differ from the 64 bit values. - */ - -asmlinkage long -sys32_fadvise64(int fd, loff_t offset, size_t len, int advise) -{ - if (advise == 4) - advise = POSIX_FADV_DONTNEED; - else if (advise == 5) - advise = POSIX_FADV_NOREUSE; - return sys_fadvise64(fd, offset, len, advise); -} - -struct fadvise64_64_args { - int fd; - long long offset; - long long len; - int advice; -}; - -asmlinkage long -sys32_fadvise64_64(struct fadvise64_64_args __user *args) -{ - struct fadvise64_64_args a; - - if ( copy_from_user(&a, args, sizeof(a)) ) - return -EFAULT; - if (a.advice == 4) - a.advice = POSIX_FADV_DONTNEED; - else if (a.advice == 5) - a.advice = POSIX_FADV_NOREUSE; - return sys_fadvise64_64(a.fd, a.offset, a.len, a.advice); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_linux.h b/ANDROID_3.4.5/arch/s390/kernel/compat_linux.h deleted file mode 100644 index 9635d759..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_linux.h +++ /dev/null @@ -1,227 +0,0 @@ -#ifndef _ASM_S390X_S390_H -#define _ASM_S390X_S390_H - -#include <linux/compat.h> -#include <linux/socket.h> -#include <linux/syscalls.h> - -/* Macro that masks the high order bit of an 32 bit pointer and converts it*/ -/* to a 64 bit pointer */ -#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL)) -#define AA(__x) \ - ((unsigned long)(__x)) - -/* Now 32bit compatibility types */ -struct ipc_kludge_32 { - __u32 msgp; /* pointer */ - __s32 msgtyp; -}; - -struct old_sigaction32 { - __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */ - compat_old_sigset_t sa_mask; /* A 32 bit mask */ - __u32 sa_flags; - __u32 sa_restorer; /* Another 32 bit pointer */ -}; - -typedef struct compat_siginfo { - int si_signo; - int si_errno; - int si_code; - - union { - int _pad[((128/sizeof(int)) - 3)]; - - /* kill() */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - compat_timer_t _tid; /* timer id */ - int _overrun; /* overrun count */ - compat_sigval_t _sigval; /* same as below */ - int _sys_private; /* not to be passed to user */ - } _timer; - - /* POSIX.1b signals */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - compat_sigval_t _sigval; - } _rt; - - /* SIGCHLD */ - struct { - pid_t _pid; /* which child */ - uid_t _uid; /* sender's uid */ - int _status;/* exit code */ - compat_clock_t _utime; - compat_clock_t _stime; - } _sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - __u32 _addr; /* faulting insn/memory ref. - pointer */ - } _sigfault; - - /* SIGPOLL */ - struct { - int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ - int _fd; - } _sigpoll; - } _sifields; -} compat_siginfo_t; - -/* - * How these fields are to be accessed. - */ -#define si_pid _sifields._kill._pid -#define si_uid _sifields._kill._uid -#define si_status _sifields._sigchld._status -#define si_utime _sifields._sigchld._utime -#define si_stime _sifields._sigchld._stime -#define si_value _sifields._rt._sigval -#define si_int _sifields._rt._sigval.sival_int -#define si_ptr _sifields._rt._sigval.sival_ptr -#define si_addr _sifields._sigfault._addr -#define si_band _sifields._sigpoll._band -#define si_fd _sifields._sigpoll._fd -#define si_tid _sifields._timer._tid -#define si_overrun _sifields._timer._overrun - -/* asm/sigcontext.h */ -typedef union -{ - __u64 d; - __u32 f; -} freg_t32; - -typedef struct -{ - unsigned int fpc; - freg_t32 fprs[__NUM_FPRS]; -} _s390_fp_regs32; - -typedef struct -{ - __u32 mask; - __u32 addr; -} _psw_t32 __attribute__ ((aligned(8))); - -typedef struct -{ - _psw_t32 psw; - __u32 gprs[__NUM_GPRS]; - __u32 acrs[__NUM_ACRS]; -} _s390_regs_common32; - -typedef struct -{ - _s390_regs_common32 regs; - _s390_fp_regs32 fpregs; -} _sigregs32; - -#define _SIGCONTEXT_NSIG32 64 -#define _SIGCONTEXT_NSIG_BPW32 32 -#define __SIGNAL_FRAMESIZE32 96 -#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) - -struct sigcontext32 -{ - __u32 oldmask[_COMPAT_NSIG_WORDS]; - __u32 sregs; /* pointer */ -}; - -/* asm/signal.h */ -struct sigaction32 { - __u32 sa_handler; /* pointer */ - __u32 sa_flags; - __u32 sa_restorer; /* pointer */ - compat_sigset_t sa_mask; /* mask last for extensibility */ -}; - -typedef struct { - __u32 ss_sp; /* pointer */ - int ss_flags; - compat_size_t ss_size; -} stack_t32; - -/* asm/ucontext.h */ -struct ucontext32 { - __u32 uc_flags; - __u32 uc_link; /* pointer */ - stack_t32 uc_stack; - _sigregs32 uc_mcontext; - compat_sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -struct stat64_emu31; -struct mmap_arg_struct_emu31; -struct fadvise64_64_args; -struct old_sigaction32; -struct old_sigaction32; - -long sys32_chown16(const char __user * filename, u16 user, u16 group); -long sys32_lchown16(const char __user * filename, u16 user, u16 group); -long sys32_fchown16(unsigned int fd, u16 user, u16 group); -long sys32_setregid16(u16 rgid, u16 egid); -long sys32_setgid16(u16 gid); -long sys32_setreuid16(u16 ruid, u16 euid); -long sys32_setuid16(u16 uid); -long sys32_setresuid16(u16 ruid, u16 euid, u16 suid); -long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid); -long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid); -long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid); -long sys32_setfsuid16(u16 uid); -long sys32_setfsgid16(u16 gid); -long sys32_getgroups16(int gidsetsize, u16 __user *grouplist); -long sys32_setgroups16(int gidsetsize, u16 __user *grouplist); -long sys32_getuid16(void); -long sys32_geteuid16(void); -long sys32_getgid16(void); -long sys32_getegid16(void); -long sys32_ipc(u32 call, int first, int second, int third, u32 ptr); -long sys32_truncate64(const char __user * path, unsigned long high, - unsigned long low); -long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low); -long sys32_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval); -long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, - compat_sigset_t __user *oset, size_t sigsetsize); -long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize); -long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo); -long sys32_execve(const char __user *name, compat_uptr_t __user *argv, - compat_uptr_t __user *envp); -long sys32_init_module(void __user *umod, unsigned long len, - const char __user *uargs); -long sys32_delete_module(const char __user *name_user, unsigned int flags); -long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, - u32 poshi, u32 poslo); -long sys32_pwrite64(unsigned int fd, const char __user *ubuf, - size_t count, u32 poshi, u32 poslo); -compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count); -long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, - size_t count); -long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, - s32 count); -long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf); -long sys32_lstat64(const char __user * filename, - struct stat64_emu31 __user * statbuf); -long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf); -long sys32_fstatat64(unsigned int dfd, const char __user *filename, - struct stat64_emu31 __user* statbuf, int flag); -unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg); -long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg); -long sys32_read(unsigned int fd, char __user * buf, size_t count); -long sys32_write(unsigned int fd, const char __user * buf, size_t count); -long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise); -long sys32_fadvise64_64(struct fadvise64_64_args __user *args); -long sys32_sigaction(int sig, const struct old_sigaction32 __user *act, - struct old_sigaction32 __user *oact); -long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact, size_t sigsetsize); -long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss); -#endif /* _ASM_S390X_S390_H */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_ptrace.h b/ANDROID_3.4.5/arch/s390/kernel/compat_ptrace.h deleted file mode 100644 index 12b82383..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_ptrace.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef _PTRACE32_H -#define _PTRACE32_H - -#include <asm/ptrace.h> /* needed for NUM_CR_WORDS */ -#include "compat_linux.h" /* needed for psw_compat_t */ - -struct compat_per_struct_kernel { - __u32 cr9; /* PER control bits */ - __u32 cr10; /* PER starting address */ - __u32 cr11; /* PER ending address */ - __u32 bits; /* Obsolete software bits */ - __u32 starting_addr; /* User specified start address */ - __u32 ending_addr; /* User specified end address */ - __u16 perc_atmid; /* PER trap ATMID */ - __u32 address; /* PER trap instruction address */ - __u8 access_id; /* PER trap access identification */ -}; - -struct compat_user_regs_struct -{ - psw_compat_t psw; - u32 gprs[NUM_GPRS]; - u32 acrs[NUM_ACRS]; - u32 orig_gpr2; - /* nb: there's a 4-byte hole here */ - s390_fp_regs fp_regs; - /* - * These per registers are in here so that gdb can modify them - * itself as there is no "official" ptrace interface for hardware - * watchpoints. This is the way intel does it. - */ - struct compat_per_struct_kernel per_info; - u32 ieee_instruction_pointer; /* obsolete, always 0 */ -}; - -struct compat_user { - /* We start with the registers, to mimic the way that "memory" - is returned from the ptrace(3,...) function. */ - struct compat_user_regs_struct regs; - /* The rest of this junk is to help gdb figure out what goes where */ - u32 u_tsize; /* Text segment size (pages). */ - u32 u_dsize; /* Data segment size (pages). */ - u32 u_ssize; /* Stack segment size (pages). */ - u32 start_code; /* Starting virtual address of text. */ - u32 start_stack; /* Starting virtual address of stack area. - This is actually the bottom of the stack, - the top of the stack is always found in the - esp register. */ - s32 signal; /* Signal that caused the core dump. */ - u32 u_ar0; /* Used by gdb to help find the values for */ - /* the registers. */ - u32 magic; /* To uniquely identify a core file */ - char u_comm[32]; /* User command that was responsible */ -}; - -typedef struct -{ - __u32 len; - __u32 kernel_addr; - __u32 process_addr; -} compat_ptrace_area; - -#endif /* _PTRACE32_H */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_signal.c b/ANDROID_3.4.5/arch/s390/kernel/compat_signal.c deleted file mode 100644 index 28040fd5..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_signal.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * arch/s390/kernel/compat_signal.c - * - * Copyright (C) IBM Corp. 2000,2006 - * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) - * Gerhard Tonn (ton@de.ibm.com) - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson - */ - -#include <linux/compat.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/stddef.h> -#include <linux/tty.h> -#include <linux/personality.h> -#include <linux/binfmts.h> -#include <asm/ucontext.h> -#include <asm/uaccess.h> -#include <asm/lowcore.h> -#include <asm/switch_to.h> -#include "compat_linux.h" -#include "compat_ptrace.h" -#include "entry.h" - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - -typedef struct -{ - __u8 callee_used_stack[__SIGNAL_FRAMESIZE32]; - struct sigcontext32 sc; - _sigregs32 sregs; - int signo; - __u32 gprs_high[NUM_GPRS]; - __u8 retcode[S390_SYSCALL_SIZE]; -} sigframe32; - -typedef struct -{ - __u8 callee_used_stack[__SIGNAL_FRAMESIZE32]; - __u8 retcode[S390_SYSCALL_SIZE]; - compat_siginfo_t info; - struct ucontext32 uc; - __u32 gprs_high[NUM_GPRS]; -} rt_sigframe32; - -int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) -{ - int err; - - if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t))) - return -EFAULT; - - /* If you change siginfo_t structure, please be sure - this code is fixed accordingly. - It should never copy any pad contained in the structure - to avoid security leaks, but must copy the generic - 3 ints plus the relevant union member. - This routine must convert siginfo from 64bit to 32bit as well - at the same time. */ - err = __put_user(from->si_signo, &to->si_signo); - err |= __put_user(from->si_errno, &to->si_errno); - err |= __put_user((short)from->si_code, &to->si_code); - if (from->si_code < 0) - err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE); - else { - switch (from->si_code >> 16) { - case __SI_RT >> 16: /* This is not generated by the kernel as of now. */ - case __SI_MESGQ >> 16: - err |= __put_user(from->si_int, &to->si_int); - /* fallthrough */ - case __SI_KILL >> 16: - err |= __put_user(from->si_pid, &to->si_pid); - err |= __put_user(from->si_uid, &to->si_uid); - break; - case __SI_CHLD >> 16: - err |= __put_user(from->si_pid, &to->si_pid); - err |= __put_user(from->si_uid, &to->si_uid); - err |= __put_user(from->si_utime, &to->si_utime); - err |= __put_user(from->si_stime, &to->si_stime); - err |= __put_user(from->si_status, &to->si_status); - break; - case __SI_FAULT >> 16: - err |= __put_user((unsigned long) from->si_addr, - &to->si_addr); - break; - case __SI_POLL >> 16: - err |= __put_user(from->si_band, &to->si_band); - err |= __put_user(from->si_fd, &to->si_fd); - break; - case __SI_TIMER >> 16: - err |= __put_user(from->si_tid, &to->si_tid); - err |= __put_user(from->si_overrun, &to->si_overrun); - err |= __put_user(from->si_int, &to->si_int); - break; - default: - break; - } - } - return err; -} - -int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) -{ - int err; - u32 tmp; - - if (!access_ok (VERIFY_READ, from, sizeof(compat_siginfo_t))) - return -EFAULT; - - err = __get_user(to->si_signo, &from->si_signo); - err |= __get_user(to->si_errno, &from->si_errno); - err |= __get_user(to->si_code, &from->si_code); - - if (to->si_code < 0) - err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE); - else { - switch (to->si_code >> 16) { - case __SI_RT >> 16: /* This is not generated by the kernel as of now. */ - case __SI_MESGQ >> 16: - err |= __get_user(to->si_int, &from->si_int); - /* fallthrough */ - case __SI_KILL >> 16: - err |= __get_user(to->si_pid, &from->si_pid); - err |= __get_user(to->si_uid, &from->si_uid); - break; - case __SI_CHLD >> 16: - err |= __get_user(to->si_pid, &from->si_pid); - err |= __get_user(to->si_uid, &from->si_uid); - err |= __get_user(to->si_utime, &from->si_utime); - err |= __get_user(to->si_stime, &from->si_stime); - err |= __get_user(to->si_status, &from->si_status); - break; - case __SI_FAULT >> 16: - err |= __get_user(tmp, &from->si_addr); - to->si_addr = (void __force __user *) - (u64) (tmp & PSW32_ADDR_INSN); - break; - case __SI_POLL >> 16: - err |= __get_user(to->si_band, &from->si_band); - err |= __get_user(to->si_fd, &from->si_fd); - break; - case __SI_TIMER >> 16: - err |= __get_user(to->si_tid, &from->si_tid); - err |= __get_user(to->si_overrun, &from->si_overrun); - err |= __get_user(to->si_int, &from->si_int); - break; - default: - break; - } - } - return err; -} - -asmlinkage long -sys32_sigaction(int sig, const struct old_sigaction32 __user *act, - struct old_sigaction32 __user *oact) -{ - struct k_sigaction new_ka, old_ka; - unsigned long sa_handler, sa_restorer; - int ret; - - if (act) { - compat_old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(sa_handler, &act->sa_handler) || - __get_user(sa_restorer, &act->sa_restorer) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - new_ka.sa.sa_handler = (__sighandler_t) sa_handler; - new_ka.sa.sa_restorer = (void (*)(void)) sa_restorer; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - sa_handler = (unsigned long) old_ka.sa.sa_handler; - sa_restorer = (unsigned long) old_ka.sa.sa_restorer; - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(sa_handler, &oact->sa_handler) || - __put_user(sa_restorer, &oact->sa_restorer) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} - -asmlinkage long -sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact, size_t sigsetsize) -{ - struct k_sigaction new_ka, old_ka; - unsigned long sa_handler; - int ret; - compat_sigset_t set32; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - - if (act) { - ret = get_user(sa_handler, &act->sa_handler); - ret |= __copy_from_user(&set32, &act->sa_mask, - sizeof(compat_sigset_t)); - new_ka.sa.sa_mask.sig[0] = - set32.sig[0] | (((long)set32.sig[1]) << 32); - ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags); - - if (ret) - return -EFAULT; - new_ka.sa.sa_handler = (__sighandler_t) sa_handler; - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32); - set32.sig[0] = old_ka.sa.sa_mask.sig[0]; - ret = put_user((unsigned long)old_ka.sa.sa_handler, &oact->sa_handler); - ret |= __copy_to_user(&oact->sa_mask, &set32, - sizeof(compat_sigset_t)); - ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - } - - return ret; -} - -asmlinkage long -sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss) -{ - struct pt_regs *regs = task_pt_regs(current); - stack_t kss, koss; - unsigned long ss_sp; - int ret, err = 0; - mm_segment_t old_fs = get_fs(); - - if (uss) { - if (!access_ok(VERIFY_READ, uss, sizeof(*uss))) - return -EFAULT; - err |= __get_user(ss_sp, &uss->ss_sp); - err |= __get_user(kss.ss_size, &uss->ss_size); - err |= __get_user(kss.ss_flags, &uss->ss_flags); - if (err) - return -EFAULT; - kss.ss_sp = (void __user *) ss_sp; - } - - set_fs (KERNEL_DS); - ret = do_sigaltstack((stack_t __force __user *) (uss ? &kss : NULL), - (stack_t __force __user *) (uoss ? &koss : NULL), - regs->gprs[15]); - set_fs (old_fs); - - if (!ret && uoss) { - if (!access_ok(VERIFY_WRITE, uoss, sizeof(*uoss))) - return -EFAULT; - ss_sp = (unsigned long) koss.ss_sp; - err |= __put_user(ss_sp, &uoss->ss_sp); - err |= __put_user(koss.ss_size, &uoss->ss_size); - err |= __put_user(koss.ss_flags, &uoss->ss_flags); - if (err) - return -EFAULT; - } - return ret; -} - -static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs) -{ - _s390_regs_common32 regs32; - int err, i; - - regs32.psw.mask = psw32_user_bits | - ((__u32)(regs->psw.mask >> 32) & PSW32_MASK_USER); - regs32.psw.addr = (__u32) regs->psw.addr | - (__u32)(regs->psw.mask & PSW_MASK_BA); - for (i = 0; i < NUM_GPRS; i++) - regs32.gprs[i] = (__u32) regs->gprs[i]; - save_access_regs(current->thread.acrs); - memcpy(regs32.acrs, current->thread.acrs, sizeof(regs32.acrs)); - err = __copy_to_user(&sregs->regs, ®s32, sizeof(regs32)); - if (err) - return err; - save_fp_regs(¤t->thread.fp_regs); - /* s390_fp_regs and _s390_fp_regs32 are the same ! */ - return __copy_to_user(&sregs->fpregs, ¤t->thread.fp_regs, - sizeof(_s390_fp_regs32)); -} - -static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs) -{ - _s390_regs_common32 regs32; - int err, i; - - /* Alwys make any pending restarted system call return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err = __copy_from_user(®s32, &sregs->regs, sizeof(regs32)); - if (err) - return err; - regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) | - (__u64)(regs32.psw.mask & PSW32_MASK_USER) << 32 | - (__u64)(regs32.psw.addr & PSW32_ADDR_AMODE); - regs->psw.addr = (__u64)(regs32.psw.addr & PSW32_ADDR_INSN); - for (i = 0; i < NUM_GPRS; i++) - regs->gprs[i] = (__u64) regs32.gprs[i]; - memcpy(current->thread.acrs, regs32.acrs, sizeof(current->thread.acrs)); - restore_access_regs(current->thread.acrs); - - err = __copy_from_user(¤t->thread.fp_regs, &sregs->fpregs, - sizeof(_s390_fp_regs32)); - current->thread.fp_regs.fpc &= FPC_VALID_MASK; - if (err) - return err; - - restore_fp_regs(¤t->thread.fp_regs); - clear_thread_flag(TIF_SYSCALL); /* No longer in a system call */ - return 0; -} - -static int save_sigregs_gprs_high(struct pt_regs *regs, __u32 __user *uregs) -{ - __u32 gprs_high[NUM_GPRS]; - int i; - - for (i = 0; i < NUM_GPRS; i++) - gprs_high[i] = regs->gprs[i] >> 32; - - return __copy_to_user(uregs, &gprs_high, sizeof(gprs_high)); -} - -static int restore_sigregs_gprs_high(struct pt_regs *regs, __u32 __user *uregs) -{ - __u32 gprs_high[NUM_GPRS]; - int err, i; - - err = __copy_from_user(&gprs_high, uregs, sizeof(gprs_high)); - if (err) - return err; - for (i = 0; i < NUM_GPRS; i++) - *(__u32 *)®s->gprs[i] = gprs_high[i]; - return 0; -} - -asmlinkage long sys32_sigreturn(void) -{ - struct pt_regs *regs = task_pt_regs(current); - sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15]; - sigset_t set; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32)) - goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - set_current_blocked(&set); - if (restore_sigregs32(regs, &frame->sregs)) - goto badframe; - if (restore_sigregs_gprs_high(regs, frame->gprs_high)) - goto badframe; - return regs->gprs[2]; -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage long sys32_rt_sigreturn(void) -{ - struct pt_regs *regs = task_pt_regs(current); - rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15]; - sigset_t set; - stack_t st; - __u32 ss_sp; - int err; - mm_segment_t old_fs = get_fs(); - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - set_current_blocked(&set); - if (restore_sigregs32(regs, &frame->uc.uc_mcontext)) - goto badframe; - if (restore_sigregs_gprs_high(regs, frame->gprs_high)) - goto badframe; - err = __get_user(ss_sp, &frame->uc.uc_stack.ss_sp); - st.ss_sp = compat_ptr(ss_sp); - err |= __get_user(st.ss_size, &frame->uc.uc_stack.ss_size); - err |= __get_user(st.ss_flags, &frame->uc.uc_stack.ss_flags); - if (err) - goto badframe; - set_fs (KERNEL_DS); - do_sigaltstack((stack_t __force __user *)&st, NULL, regs->gprs[15]); - set_fs (old_fs); - return regs->gprs[2]; -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -/* - * Set up a signal frame. - */ - - -/* - * Determine which stack to use.. - */ -static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) -{ - unsigned long sp; - - /* Default to using normal stack */ - sp = (unsigned long) A(regs->gprs[15]); - - /* Overflow on alternate signal stack gives SIGSEGV. */ - if (on_sig_stack(sp) && !on_sig_stack((sp - frame_size) & -8UL)) - return (void __user *) -1UL; - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (! sas_ss_flags(sp)) - sp = current->sas_ss_sp + current->sas_ss_size; - } - - /* This is the legacy signal stack switching. */ - else if (!user_mode(regs) && - !(ka->sa.sa_flags & SA_RESTORER) && - ka->sa.sa_restorer) { - sp = (unsigned long) ka->sa.sa_restorer; - } - - return (void __user *)((sp - frame_size) & -8ul); -} - -static inline int map_signal(int sig) -{ - if (current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32) - return current_thread_info()->exec_domain->signal_invmap[sig]; - else - return sig; -} - -static int setup_frame32(int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs * regs) -{ - sigframe32 __user *frame = get_sigframe(ka, regs, sizeof(sigframe32)); - if (!access_ok(VERIFY_WRITE, frame, sizeof(sigframe32))) - goto give_sigsegv; - - if (frame == (void __user *) -1UL) - goto give_sigsegv; - - if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE32)) - goto give_sigsegv; - - if (save_sigregs32(regs, &frame->sregs)) - goto give_sigsegv; - if (save_sigregs_gprs_high(regs, frame->gprs_high)) - goto give_sigsegv; - if (__put_user((unsigned long) &frame->sregs, &frame->sc.sregs)) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->gprs[14] = (__u64) ka->sa.sa_restorer | PSW32_ADDR_AMODE; - } else { - regs->gprs[14] = (__u64) frame->retcode | PSW32_ADDR_AMODE; - if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn, - (u16 __force __user *)(frame->retcode))) - goto give_sigsegv; - } - - /* Set up backchain. */ - if (__put_user(regs->gprs[15], (unsigned int __user *) frame)) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->gprs[15] = (__force __u64) frame; - regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */ - regs->psw.addr = (__force __u64) ka->sa.sa_handler; - - regs->gprs[2] = map_signal(sig); - regs->gprs[3] = (__force __u64) &frame->sc; - - /* We forgot to include these in the sigcontext. - To avoid breaking binary compatibility, they are passed as args. */ - if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || - sig == SIGTRAP || sig == SIGFPE) { - /* set extra registers only for synchronous signals */ - regs->gprs[4] = regs->int_code & 127; - regs->gprs[5] = regs->int_parm_long; - } - - /* Place signal number on stack to allow backtrace from handler. */ - if (__put_user(regs->gprs[2], (int __force __user *) &frame->signo)) - goto give_sigsegv; - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; -} - -static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) -{ - int err = 0; - rt_sigframe32 __user *frame = get_sigframe(ka, regs, sizeof(rt_sigframe32)); - if (!access_ok(VERIFY_WRITE, frame, sizeof(rt_sigframe32))) - goto give_sigsegv; - - if (frame == (void __user *) -1UL) - goto give_sigsegv; - - if (copy_siginfo_to_user32(&frame->info, info)) - goto give_sigsegv; - - /* Create the ucontext. */ - err |= __put_user(UC_EXTENDED, &frame->uc.uc_flags); - err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->gprs[15]), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= save_sigregs32(regs, &frame->uc.uc_mcontext); - err |= save_sigregs_gprs_high(regs, frame->gprs_high); - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); - if (err) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->gprs[14] = (__u64) ka->sa.sa_restorer | PSW32_ADDR_AMODE; - } else { - regs->gprs[14] = (__u64) frame->retcode | PSW32_ADDR_AMODE; - err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn, - (u16 __force __user *)(frame->retcode)); - } - - /* Set up backchain. */ - if (__put_user(regs->gprs[15], (unsigned int __force __user *) frame)) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->gprs[15] = (__force __u64) frame; - regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */ - regs->psw.addr = (__u64) ka->sa.sa_handler; - - regs->gprs[2] = map_signal(sig); - regs->gprs[3] = (__force __u64) &frame->info; - regs->gprs[4] = (__force __u64) &frame->uc; - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; -} - -/* - * OK, we're invoking a handler - */ - -int handle_signal32(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) -{ - int ret; - - /* Set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - ret = setup_rt_frame32(sig, ka, info, oldset, regs); - else - ret = setup_frame32(sig, ka, oldset, regs); - if (ret) - return ret; - block_sigmask(ka, sig); - return 0; -} - diff --git a/ANDROID_3.4.5/arch/s390/kernel/compat_wrapper.S b/ANDROID_3.4.5/arch/s390/kernel/compat_wrapper.S deleted file mode 100644 index ff605a39..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/compat_wrapper.S +++ /dev/null @@ -1,1649 +0,0 @@ -/* -* arch/s390/kernel/compat_wrapper.S -* wrapper for 31 bit compatible system calls. -* -* Copyright (C) IBM Corp. 2000,2006 -* Author(s): Gerhard Tonn (ton@de.ibm.com), -* Thomas Spatzier (tspat@de.ibm.com) -*/ - -#include <linux/linkage.h> - -ENTRY(sys32_exit_wrapper) - lgfr %r2,%r2 # int - jg sys_exit # branch to sys_exit - -ENTRY(sys32_read_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - jg sys32_read # branch to sys_read - -ENTRY(sys32_write_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # size_t - jg sys32_write # branch to system call - -ENTRY(sys32_open_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - jg sys_open # branch to system call - -ENTRY(sys32_close_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_close # branch to system call - -ENTRY(sys32_creat_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - jg sys_creat # branch to system call - -ENTRY(sys32_link_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - jg sys_link # branch to system call - -ENTRY(sys32_unlink_wrapper) - llgtr %r2,%r2 # const char * - jg sys_unlink # branch to system call - -ENTRY(sys32_chdir_wrapper) - llgtr %r2,%r2 # const char * - jg sys_chdir # branch to system call - -ENTRY(sys32_time_wrapper) - llgtr %r2,%r2 # int * - jg compat_sys_time # branch to system call - -ENTRY(sys32_mknod_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - llgfr %r4,%r4 # dev - jg sys_mknod # branch to system call - -ENTRY(sys32_chmod_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # mode_t - jg sys_chmod # branch to system call - -ENTRY(sys32_lchown16_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # __kernel_old_uid_emu31_t - llgfr %r4,%r4 # __kernel_old_uid_emu31_t - jg sys32_lchown16 # branch to system call - -ENTRY(sys32_lseek_wrapper) - llgfr %r2,%r2 # unsigned int - lgfr %r3,%r3 # off_t - llgfr %r4,%r4 # unsigned int - jg sys_lseek # branch to system call - -#sys32_getpid_wrapper # void - -ENTRY(sys32_mount_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # char * - llgfr %r5,%r5 # unsigned long - llgtr %r6,%r6 # void * - jg compat_sys_mount # branch to system call - -ENTRY(sys32_oldumount_wrapper) - llgtr %r2,%r2 # char * - jg sys_oldumount # branch to system call - -ENTRY(sys32_setuid16_wrapper) - llgfr %r2,%r2 # __kernel_old_uid_emu31_t - jg sys32_setuid16 # branch to system call - -#sys32_getuid16_wrapper # void - -ENTRY(sys32_ptrace_wrapper) - lgfr %r2,%r2 # long - lgfr %r3,%r3 # long - llgtr %r4,%r4 # long - llgfr %r5,%r5 # long - jg compat_sys_ptrace # branch to system call - -ENTRY(sys32_alarm_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_alarm # branch to system call - -ENTRY(compat_sys_utime_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct compat_utimbuf * - jg compat_sys_utime # branch to system call - -ENTRY(sys32_access_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - jg sys_access # branch to system call - -ENTRY(sys32_nice_wrapper) - lgfr %r2,%r2 # int - jg sys_nice # branch to system call - -#sys32_sync_wrapper # void - -ENTRY(sys32_kill_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - jg sys_kill # branch to system call - -ENTRY(sys32_rename_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - jg sys_rename # branch to system call - -ENTRY(sys32_mkdir_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - jg sys_mkdir # branch to system call - -ENTRY(sys32_rmdir_wrapper) - llgtr %r2,%r2 # const char * - jg sys_rmdir # branch to system call - -ENTRY(sys32_dup_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_dup # branch to system call - -ENTRY(sys32_pipe_wrapper) - llgtr %r2,%r2 # u32 * - jg sys_pipe # branch to system call - -ENTRY(compat_sys_times_wrapper) - llgtr %r2,%r2 # struct compat_tms * - jg compat_sys_times # branch to system call - -ENTRY(sys32_brk_wrapper) - llgtr %r2,%r2 # unsigned long - jg sys_brk # branch to system call - -ENTRY(sys32_setgid16_wrapper) - llgfr %r2,%r2 # __kernel_old_gid_emu31_t - jg sys32_setgid16 # branch to system call - -#sys32_getgid16_wrapper # void - -ENTRY(sys32_signal_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # __sighandler_t - jg sys_signal - -#sys32_geteuid16_wrapper # void - -#sys32_getegid16_wrapper # void - -ENTRY(sys32_acct_wrapper) - llgtr %r2,%r2 # char * - jg sys_acct # branch to system call - -ENTRY(sys32_umount_wrapper) - llgtr %r2,%r2 # char * - lgfr %r3,%r3 # int - jg sys_umount # branch to system call - -ENTRY(compat_sys_ioctl_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - llgfr %r4,%r4 # unsigned int - jg compat_sys_ioctl # branch to system call - -ENTRY(compat_sys_fcntl_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - llgfr %r4,%r4 # unsigned long - jg compat_sys_fcntl # branch to system call - -ENTRY(sys32_setpgid_wrapper) - lgfr %r2,%r2 # pid_t - lgfr %r3,%r3 # pid_t - jg sys_setpgid # branch to system call - -ENTRY(sys32_umask_wrapper) - lgfr %r2,%r2 # int - jg sys_umask # branch to system call - -ENTRY(sys32_chroot_wrapper) - llgtr %r2,%r2 # char * - jg sys_chroot # branch to system call - -ENTRY(sys32_ustat_wrapper) - llgfr %r2,%r2 # dev_t - llgtr %r3,%r3 # struct ustat * - jg compat_sys_ustat - -ENTRY(sys32_dup2_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - jg sys_dup2 # branch to system call - -#sys32_getppid_wrapper # void - -#sys32_getpgrp_wrapper # void - -#sys32_setsid_wrapper # void - -ENTRY(sys32_sigaction_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const struct old_sigaction * - llgtr %r4,%r4 # struct old_sigaction32 * - jg sys32_sigaction # branch to system call - -ENTRY(sys32_setreuid16_wrapper) - llgfr %r2,%r2 # __kernel_old_uid_emu31_t - llgfr %r3,%r3 # __kernel_old_uid_emu31_t - jg sys32_setreuid16 # branch to system call - -ENTRY(sys32_setregid16_wrapper) - llgfr %r2,%r2 # __kernel_old_gid_emu31_t - llgfr %r3,%r3 # __kernel_old_gid_emu31_t - jg sys32_setregid16 # branch to system call - -ENTRY(sys_sigsuspend_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgfr %r4,%r4 # old_sigset_t - jg sys_sigsuspend - -ENTRY(compat_sys_sigpending_wrapper) - llgtr %r2,%r2 # compat_old_sigset_t * - jg compat_sys_sigpending # branch to system call - -ENTRY(sys32_sethostname_wrapper) - llgtr %r2,%r2 # char * - lgfr %r3,%r3 # int - jg sys_sethostname # branch to system call - -ENTRY(compat_sys_setrlimit_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # struct rlimit_emu31 * - jg compat_sys_setrlimit # branch to system call - -ENTRY(compat_sys_old_getrlimit_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # struct rlimit_emu31 * - jg compat_sys_old_getrlimit # branch to system call - -ENTRY(compat_sys_getrlimit_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # struct rlimit_emu31 * - jg compat_sys_getrlimit # branch to system call - -ENTRY(sys32_mmap2_wrapper) - llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * - jg sys32_mmap2 # branch to system call - -ENTRY(compat_sys_getrusage_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct rusage_emu31 * - jg compat_sys_getrusage # branch to system call - -ENTRY(compat_sys_gettimeofday_wrapper) - llgtr %r2,%r2 # struct timeval_emu31 * - llgtr %r3,%r3 # struct timezone * - jg compat_sys_gettimeofday # branch to system call - -ENTRY(compat_sys_settimeofday_wrapper) - llgtr %r2,%r2 # struct timeval_emu31 * - llgtr %r3,%r3 # struct timezone * - jg compat_sys_settimeofday # branch to system call - -ENTRY(sys32_getgroups16_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # __kernel_old_gid_emu31_t * - jg sys32_getgroups16 # branch to system call - -ENTRY(sys32_setgroups16_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # __kernel_old_gid_emu31_t * - jg sys32_setgroups16 # branch to system call - -ENTRY(sys32_symlink_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - jg sys_symlink # branch to system call - -ENTRY(sys32_readlink_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # char * - lgfr %r4,%r4 # int - jg sys_readlink # branch to system call - -ENTRY(sys32_uselib_wrapper) - llgtr %r2,%r2 # const char * - jg sys_uselib # branch to system call - -ENTRY(sys32_swapon_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - jg sys_swapon # branch to system call - -ENTRY(sys32_reboot_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgfr %r4,%r4 # unsigned int - llgtr %r5,%r5 # void * - jg sys_reboot # branch to system call - -ENTRY(old32_readdir_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # void * - llgfr %r4,%r4 # unsigned int - jg compat_sys_old_readdir # branch to system call - -ENTRY(old32_mmap_wrapper) - llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * - jg old32_mmap # branch to system call - -ENTRY(sys32_munmap_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - jg sys_munmap # branch to system call - -ENTRY(sys32_truncate_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # long - jg sys_truncate # branch to system call - -ENTRY(sys32_ftruncate_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned long - jg sys_ftruncate # branch to system call - -ENTRY(sys32_fchmod_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # mode_t - jg sys_fchmod # branch to system call - -ENTRY(sys32_fchown16_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # compat_uid_t - llgfr %r4,%r4 # compat_uid_t - jg sys32_fchown16 # branch to system call - -ENTRY(sys32_getpriority_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - jg sys_getpriority # branch to system call - -ENTRY(sys32_setpriority_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - jg sys_setpriority # branch to system call - -ENTRY(compat_sys_statfs_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct compat_statfs * - jg compat_sys_statfs # branch to system call - -ENTRY(compat_sys_fstatfs_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # struct compat_statfs * - jg compat_sys_fstatfs # branch to system call - -ENTRY(compat_sys_socketcall_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # u32 * - jg compat_sys_socketcall # branch to system call - -ENTRY(sys32_syslog_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # char * - lgfr %r4,%r4 # int - jg sys_syslog # branch to system call - -ENTRY(compat_sys_setitimer_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct itimerval_emu31 * - llgtr %r4,%r4 # struct itimerval_emu31 * - jg compat_sys_setitimer # branch to system call - -ENTRY(compat_sys_getitimer_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct itimerval_emu31 * - jg compat_sys_getitimer # branch to system call - -ENTRY(compat_sys_newstat_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct stat_emu31 * - jg compat_sys_newstat # branch to system call - -ENTRY(compat_sys_newlstat_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct stat_emu31 * - jg compat_sys_newlstat # branch to system call - -ENTRY(compat_sys_newfstat_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # struct stat_emu31 * - jg compat_sys_newfstat # branch to system call - -#sys32_vhangup_wrapper # void - -ENTRY(compat_sys_wait4_wrapper) - lgfr %r2,%r2 # pid_t - llgtr %r3,%r3 # unsigned int * - lgfr %r4,%r4 # int - llgtr %r5,%r5 # struct rusage * - jg compat_sys_wait4 # branch to system call - -ENTRY(sys32_swapoff_wrapper) - llgtr %r2,%r2 # const char * - jg sys_swapoff # branch to system call - -ENTRY(compat_sys_sysinfo_wrapper) - llgtr %r2,%r2 # struct sysinfo_emu31 * - jg compat_sys_sysinfo # branch to system call - -ENTRY(sys32_ipc_wrapper) - llgfr %r2,%r2 # uint - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - lgfr %r5,%r5 # int - llgfr %r6,%r6 # u32 - jg sys32_ipc # branch to system call - -ENTRY(sys32_fsync_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_fsync # branch to system call - -#sys32_sigreturn_wrapper # done in sigreturn_glue - -#sys32_clone_wrapper # done in clone_glue - -ENTRY(sys32_setdomainname_wrapper) - llgtr %r2,%r2 # char * - lgfr %r3,%r3 # int - jg sys_setdomainname # branch to system call - -ENTRY(sys32_newuname_wrapper) - llgtr %r2,%r2 # struct new_utsname * - jg sys_newuname # branch to system call - -ENTRY(compat_sys_adjtimex_wrapper) - llgtr %r2,%r2 # struct compat_timex * - jg compat_sys_adjtimex # branch to system call - -ENTRY(sys32_mprotect_wrapper) - llgtr %r2,%r2 # unsigned long (actually pointer - llgfr %r3,%r3 # size_t - llgfr %r4,%r4 # unsigned long - jg sys_mprotect # branch to system call - -ENTRY(compat_sys_sigprocmask_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_old_sigset_t * - llgtr %r4,%r4 # compat_old_sigset_t * - jg compat_sys_sigprocmask # branch to system call - -ENTRY(sys_init_module_wrapper) - llgtr %r2,%r2 # void * - llgfr %r3,%r3 # unsigned long - llgtr %r4,%r4 # char * - jg sys_init_module # branch to system call - -ENTRY(sys_delete_module_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # unsigned int - jg sys_delete_module # branch to system call - -ENTRY(sys32_quotactl_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # qid_t - llgtr %r5,%r5 # caddr_t - jg sys_quotactl # branch to system call - -ENTRY(sys32_getpgid_wrapper) - lgfr %r2,%r2 # pid_t - jg sys_getpgid # branch to system call - -ENTRY(sys32_fchdir_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_fchdir # branch to system call - -ENTRY(sys32_bdflush_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # long - jg sys_bdflush # branch to system call - -ENTRY(sys32_sysfs_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - jg sys_sysfs # branch to system call - -ENTRY(sys32_personality_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_s390_personality # branch to system call - -ENTRY(sys32_setfsuid16_wrapper) - llgfr %r2,%r2 # __kernel_old_uid_emu31_t - jg sys32_setfsuid16 # branch to system call - -ENTRY(sys32_setfsgid16_wrapper) - llgfr %r2,%r2 # __kernel_old_gid_emu31_t - jg sys32_setfsgid16 # branch to system call - -ENTRY(sys32_llseek_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgtr %r5,%r5 # loff_t * - llgfr %r6,%r6 # unsigned int - jg sys_llseek # branch to system call - -ENTRY(sys32_getdents_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # void * - llgfr %r4,%r4 # unsigned int - jg compat_sys_getdents # branch to system call - -ENTRY(compat_sys_select_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_fd_set * - llgtr %r4,%r4 # compat_fd_set * - llgtr %r5,%r5 # compat_fd_set * - llgtr %r6,%r6 # struct compat_timeval * - jg compat_sys_select # branch to system call - -ENTRY(sys32_flock_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - jg sys_flock # branch to system call - -ENTRY(sys32_msync_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - lgfr %r4,%r4 # int - jg sys_msync # branch to system call - -ENTRY(compat_sys_readv_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const struct compat_iovec * - llgfr %r4,%r4 # unsigned long - jg compat_sys_readv # branch to system call - -ENTRY(compat_sys_writev_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const struct compat_iovec * - llgfr %r4,%r4 # unsigned long - jg compat_sys_writev # branch to system call - -ENTRY(sys32_getsid_wrapper) - lgfr %r2,%r2 # pid_t - jg sys_getsid # branch to system call - -ENTRY(sys32_fdatasync_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_fdatasync # branch to system call - -ENTRY(sys32_mlock_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - jg sys_mlock # branch to system call - -ENTRY(sys32_munlock_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - jg sys_munlock # branch to system call - -ENTRY(sys32_mlockall_wrapper) - lgfr %r2,%r2 # int - jg sys_mlockall # branch to system call - -#sys32_munlockall_wrapper # void - -ENTRY(sys32_sched_setparam_wrapper) - lgfr %r2,%r2 # pid_t - llgtr %r3,%r3 # struct sched_param * - jg sys_sched_setparam # branch to system call - -ENTRY(sys32_sched_getparam_wrapper) - lgfr %r2,%r2 # pid_t - llgtr %r3,%r3 # struct sched_param * - jg sys_sched_getparam # branch to system call - -ENTRY(sys32_sched_setscheduler_wrapper) - lgfr %r2,%r2 # pid_t - lgfr %r3,%r3 # int - llgtr %r4,%r4 # struct sched_param * - jg sys_sched_setscheduler # branch to system call - -ENTRY(sys32_sched_getscheduler_wrapper) - lgfr %r2,%r2 # pid_t - jg sys_sched_getscheduler # branch to system call - -#sys32_sched_yield_wrapper # void - -ENTRY(sys32_sched_get_priority_max_wrapper) - lgfr %r2,%r2 # int - jg sys_sched_get_priority_max # branch to system call - -ENTRY(sys32_sched_get_priority_min_wrapper) - lgfr %r2,%r2 # int - jg sys_sched_get_priority_min # branch to system call - -ENTRY(sys32_sched_rr_get_interval_wrapper) - lgfr %r2,%r2 # pid_t - llgtr %r3,%r3 # struct compat_timespec * - jg sys32_sched_rr_get_interval # branch to system call - -ENTRY(compat_sys_nanosleep_wrapper) - llgtr %r2,%r2 # struct compat_timespec * - llgtr %r3,%r3 # struct compat_timespec * - jg compat_sys_nanosleep # branch to system call - -ENTRY(sys32_mremap_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # unsigned long - llgfr %r6,%r6 # unsigned long - jg sys_mremap # branch to system call - -ENTRY(sys32_setresuid16_wrapper) - llgfr %r2,%r2 # __kernel_old_uid_emu31_t - llgfr %r3,%r3 # __kernel_old_uid_emu31_t - llgfr %r4,%r4 # __kernel_old_uid_emu31_t - jg sys32_setresuid16 # branch to system call - -ENTRY(sys32_getresuid16_wrapper) - llgtr %r2,%r2 # __kernel_old_uid_emu31_t * - llgtr %r3,%r3 # __kernel_old_uid_emu31_t * - llgtr %r4,%r4 # __kernel_old_uid_emu31_t * - jg sys32_getresuid16 # branch to system call - -ENTRY(sys32_poll_wrapper) - llgtr %r2,%r2 # struct pollfd * - llgfr %r3,%r3 # unsigned int - lgfr %r4,%r4 # int - jg sys_poll # branch to system call - -ENTRY(sys32_setresgid16_wrapper) - llgfr %r2,%r2 # __kernel_old_gid_emu31_t - llgfr %r3,%r3 # __kernel_old_gid_emu31_t - llgfr %r4,%r4 # __kernel_old_gid_emu31_t - jg sys32_setresgid16 # branch to system call - -ENTRY(sys32_getresgid16_wrapper) - llgtr %r2,%r2 # __kernel_old_gid_emu31_t * - llgtr %r3,%r3 # __kernel_old_gid_emu31_t * - llgtr %r4,%r4 # __kernel_old_gid_emu31_t * - jg sys32_getresgid16 # branch to system call - -ENTRY(sys32_prctl_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # unsigned long - llgfr %r6,%r6 # unsigned long - jg sys_prctl # branch to system call - -#sys32_rt_sigreturn_wrapper # done in rt_sigreturn_glue - -ENTRY(sys32_rt_sigaction_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const struct sigaction_emu31 * - llgtr %r4,%r4 # const struct sigaction_emu31 * - llgfr %r5,%r5 # size_t - jg sys32_rt_sigaction # branch to system call - -ENTRY(sys32_rt_sigprocmask_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # old_sigset_emu31 * - llgtr %r4,%r4 # old_sigset_emu31 * - llgfr %r5,%r5 # size_t - jg sys32_rt_sigprocmask # branch to system call - -ENTRY(sys32_rt_sigpending_wrapper) - llgtr %r2,%r2 # sigset_emu31 * - llgfr %r3,%r3 # size_t - jg sys32_rt_sigpending # branch to system call - -ENTRY(compat_sys_rt_sigtimedwait_wrapper) - llgtr %r2,%r2 # const sigset_emu31_t * - llgtr %r3,%r3 # siginfo_emu31_t * - llgtr %r4,%r4 # const struct compat_timespec * - llgfr %r5,%r5 # size_t - jg compat_sys_rt_sigtimedwait # branch to system call - -ENTRY(sys32_rt_sigqueueinfo_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgtr %r4,%r4 # siginfo_emu31_t * - jg sys32_rt_sigqueueinfo # branch to system call - -ENTRY(compat_sys_rt_sigsuspend_wrapper) - llgtr %r2,%r2 # compat_sigset_t * - llgfr %r3,%r3 # compat_size_t - jg compat_sys_rt_sigsuspend - -ENTRY(sys32_pread64_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - llgfr %r5,%r5 # u32 - llgfr %r6,%r6 # u32 - jg sys32_pread64 # branch to system call - -ENTRY(sys32_pwrite64_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # size_t - llgfr %r5,%r5 # u32 - llgfr %r6,%r6 # u32 - jg sys32_pwrite64 # branch to system call - -ENTRY(sys32_chown16_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # __kernel_old_uid_emu31_t - llgfr %r4,%r4 # __kernel_old_gid_emu31_t - jg sys32_chown16 # branch to system call - -ENTRY(sys32_getcwd_wrapper) - llgtr %r2,%r2 # char * - llgfr %r3,%r3 # unsigned long - jg sys_getcwd # branch to system call - -ENTRY(sys32_capget_wrapper) - llgtr %r2,%r2 # cap_user_header_t - llgtr %r3,%r3 # cap_user_data_t - jg sys_capget # branch to system call - -ENTRY(sys32_capset_wrapper) - llgtr %r2,%r2 # cap_user_header_t - llgtr %r3,%r3 # const cap_user_data_t - jg sys_capset # branch to system call - -ENTRY(sys32_sigaltstack_wrapper) - llgtr %r2,%r2 # const stack_emu31_t * - llgtr %r3,%r3 # stack_emu31_t * - jg sys32_sigaltstack - -ENTRY(sys32_sendfile_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgtr %r4,%r4 # __kernel_off_emu31_t * - llgfr %r5,%r5 # size_t - jg sys32_sendfile # branch to system call - -#sys32_vfork_wrapper # done in vfork_glue - -ENTRY(sys32_truncate64_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - jg sys32_truncate64 # branch to system call - -ENTRY(sys32_ftruncate64_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - jg sys32_ftruncate64 # branch to system call - -ENTRY(sys32_lchown_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # uid_t - llgfr %r4,%r4 # gid_t - jg sys_lchown # branch to system call - -#sys32_getuid_wrapper # void -#sys32_getgid_wrapper # void -#sys32_geteuid_wrapper # void -#sys32_getegid_wrapper # void - -ENTRY(sys32_setreuid_wrapper) - llgfr %r2,%r2 # uid_t - llgfr %r3,%r3 # uid_t - jg sys_setreuid # branch to system call - -ENTRY(sys32_setregid_wrapper) - llgfr %r2,%r2 # gid_t - llgfr %r3,%r3 # gid_t - jg sys_setregid # branch to system call - -ENTRY(sys32_getgroups_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # gid_t * - jg sys_getgroups # branch to system call - -ENTRY(sys32_setgroups_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # gid_t * - jg sys_setgroups # branch to system call - -ENTRY(sys32_fchown_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # uid_t - llgfr %r4,%r4 # gid_t - jg sys_fchown # branch to system call - -ENTRY(sys32_setresuid_wrapper) - llgfr %r2,%r2 # uid_t - llgfr %r3,%r3 # uid_t - llgfr %r4,%r4 # uid_t - jg sys_setresuid # branch to system call - -ENTRY(sys32_getresuid_wrapper) - llgtr %r2,%r2 # uid_t * - llgtr %r3,%r3 # uid_t * - llgtr %r4,%r4 # uid_t * - jg sys_getresuid # branch to system call - -ENTRY(sys32_setresgid_wrapper) - llgfr %r2,%r2 # gid_t - llgfr %r3,%r3 # gid_t - llgfr %r4,%r4 # gid_t - jg sys_setresgid # branch to system call - -ENTRY(sys32_getresgid_wrapper) - llgtr %r2,%r2 # gid_t * - llgtr %r3,%r3 # gid_t * - llgtr %r4,%r4 # gid_t * - jg sys_getresgid # branch to system call - -ENTRY(sys32_chown_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # uid_t - llgfr %r4,%r4 # gid_t - jg sys_chown # branch to system call - -ENTRY(sys32_setuid_wrapper) - llgfr %r2,%r2 # uid_t - jg sys_setuid # branch to system call - -ENTRY(sys32_setgid_wrapper) - llgfr %r2,%r2 # gid_t - jg sys_setgid # branch to system call - -ENTRY(sys32_setfsuid_wrapper) - llgfr %r2,%r2 # uid_t - jg sys_setfsuid # branch to system call - -ENTRY(sys32_setfsgid_wrapper) - llgfr %r2,%r2 # gid_t - jg sys_setfsgid # branch to system call - -ENTRY(sys32_pivot_root_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - jg sys_pivot_root # branch to system call - -ENTRY(sys32_mincore_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - llgtr %r4,%r4 # unsigned char * - jg sys_mincore # branch to system call - -ENTRY(sys32_madvise_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # size_t - lgfr %r4,%r4 # int - jg sys_madvise # branch to system call - -ENTRY(sys32_getdents64_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # void * - llgfr %r4,%r4 # unsigned int - jg sys_getdents64 # branch to system call - -ENTRY(compat_sys_fcntl64_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - llgfr %r4,%r4 # unsigned long - jg compat_sys_fcntl64 # branch to system call - -ENTRY(sys32_stat64_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct stat64 * - jg sys32_stat64 # branch to system call - -ENTRY(sys32_lstat64_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct stat64 * - jg sys32_lstat64 # branch to system call - -ENTRY(sys32_stime_wrapper) - llgtr %r2,%r2 # long * - jg compat_sys_stime # branch to system call - -ENTRY(sys32_sysctl_wrapper) - llgtr %r2,%r2 # struct compat_sysctl_args * - jg compat_sys_sysctl - -ENTRY(sys32_fstat64_wrapper) - llgfr %r2,%r2 # unsigned long - llgtr %r3,%r3 # struct stat64 * - jg sys32_fstat64 # branch to system call - -ENTRY(compat_sys_futex_wrapper) - llgtr %r2,%r2 # u32 * - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - llgtr %r5,%r5 # struct compat_timespec * - llgtr %r6,%r6 # u32 * - lgf %r0,164(%r15) # int - stg %r0,160(%r15) - jg compat_sys_futex # branch to system call - -ENTRY(sys32_setxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - lgfr %r6,%r6 # int - jg sys_setxattr - -ENTRY(sys32_lsetxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - lgfr %r6,%r6 # int - jg sys_lsetxattr - -ENTRY(sys32_fsetxattr_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - lgfr %r6,%r6 # int - jg sys_fsetxattr - -ENTRY(sys32_getxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - jg sys_getxattr - -ENTRY(sys32_lgetxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - jg sys_lgetxattr - -ENTRY(sys32_fgetxattr_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # void * - llgfr %r5,%r5 # size_t - jg sys_fgetxattr - -ENTRY(sys32_listxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - jg sys_listxattr - -ENTRY(sys32_llistxattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - jg sys_llistxattr - -ENTRY(sys32_flistxattr_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - jg sys_flistxattr - -ENTRY(sys32_removexattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - jg sys_removexattr - -ENTRY(sys32_lremovexattr_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # char * - jg sys_lremovexattr - -ENTRY(sys32_fremovexattr_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # char * - jg sys_fremovexattr - -ENTRY(sys32_sched_setaffinity_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned int - llgtr %r4,%r4 # unsigned long * - jg compat_sys_sched_setaffinity - -ENTRY(sys32_sched_getaffinity_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned int - llgtr %r4,%r4 # unsigned long * - jg compat_sys_sched_getaffinity - -ENTRY(sys32_exit_group_wrapper) - lgfr %r2,%r2 # int - jg sys_exit_group # branch to system call - -ENTRY(sys32_set_tid_address_wrapper) - llgtr %r2,%r2 # int * - jg sys_set_tid_address # branch to system call - -ENTRY(sys_epoll_create_wrapper) - lgfr %r2,%r2 # int - jg sys_epoll_create # branch to system call - -ENTRY(sys_epoll_ctl_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - llgtr %r5,%r5 # struct epoll_event * - jg sys_epoll_ctl # branch to system call - -ENTRY(sys_epoll_wait_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct epoll_event * - lgfr %r4,%r4 # int - lgfr %r5,%r5 # int - jg sys_epoll_wait # branch to system call - -ENTRY(sys32_lookup_dcookie_wrapper) - sllg %r2,%r2,32 # get high word of 64bit dcookie - or %r2,%r3 # get low word of 64bit dcookie - llgtr %r3,%r4 # char * - llgfr %r4,%r5 # size_t - jg sys_lookup_dcookie - -ENTRY(sys32_fadvise64_wrapper) - lgfr %r2,%r2 # int - sllg %r3,%r3,32 # get high word of 64bit loff_t - or %r3,%r4 # get low word of 64bit loff_t - llgfr %r4,%r5 # size_t (unsigned long) - lgfr %r5,%r6 # int - jg sys32_fadvise64 - -ENTRY(sys32_fadvise64_64_wrapper) - llgtr %r2,%r2 # struct fadvise64_64_args * - jg sys32_fadvise64_64 - -ENTRY(sys32_clock_settime_wrapper) - lgfr %r2,%r2 # clockid_t (int) - llgtr %r3,%r3 # struct compat_timespec * - jg compat_sys_clock_settime - -ENTRY(sys32_clock_gettime_wrapper) - lgfr %r2,%r2 # clockid_t (int) - llgtr %r3,%r3 # struct compat_timespec * - jg compat_sys_clock_gettime - -ENTRY(sys32_clock_getres_wrapper) - lgfr %r2,%r2 # clockid_t (int) - llgtr %r3,%r3 # struct compat_timespec * - jg compat_sys_clock_getres - -ENTRY(sys32_clock_nanosleep_wrapper) - lgfr %r2,%r2 # clockid_t (int) - lgfr %r3,%r3 # int - llgtr %r4,%r4 # struct compat_timespec * - llgtr %r5,%r5 # struct compat_timespec * - jg compat_sys_clock_nanosleep - -ENTRY(sys32_timer_create_wrapper) - lgfr %r2,%r2 # timer_t (int) - llgtr %r3,%r3 # struct compat_sigevent * - llgtr %r4,%r4 # timer_t * - jg compat_sys_timer_create - -ENTRY(sys32_timer_settime_wrapper) - lgfr %r2,%r2 # timer_t (int) - lgfr %r3,%r3 # int - llgtr %r4,%r4 # struct compat_itimerspec * - llgtr %r5,%r5 # struct compat_itimerspec * - jg compat_sys_timer_settime - -ENTRY(sys32_timer_gettime_wrapper) - lgfr %r2,%r2 # timer_t (int) - llgtr %r3,%r3 # struct compat_itimerspec * - jg compat_sys_timer_gettime - -ENTRY(sys32_timer_getoverrun_wrapper) - lgfr %r2,%r2 # timer_t (int) - jg sys_timer_getoverrun - -ENTRY(sys32_timer_delete_wrapper) - lgfr %r2,%r2 # timer_t (int) - jg sys_timer_delete - -ENTRY(sys32_io_setup_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # u32 * - jg compat_sys_io_setup - -ENTRY(sys32_io_destroy_wrapper) - llgfr %r2,%r2 # (aio_context_t) u32 - jg sys_io_destroy - -ENTRY(sys32_io_getevents_wrapper) - llgfr %r2,%r2 # (aio_context_t) u32 - lgfr %r3,%r3 # long - lgfr %r4,%r4 # long - llgtr %r5,%r5 # struct io_event * - llgtr %r6,%r6 # struct compat_timespec * - jg compat_sys_io_getevents - -ENTRY(sys32_io_submit_wrapper) - llgfr %r2,%r2 # (aio_context_t) u32 - lgfr %r3,%r3 # long - llgtr %r4,%r4 # struct iocb ** - jg compat_sys_io_submit - -ENTRY(sys32_io_cancel_wrapper) - llgfr %r2,%r2 # (aio_context_t) u32 - llgtr %r3,%r3 # struct iocb * - llgtr %r4,%r4 # struct io_event * - jg sys_io_cancel - -ENTRY(compat_sys_statfs64_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # compat_size_t - llgtr %r4,%r4 # struct compat_statfs64 * - jg compat_sys_statfs64 - -ENTRY(compat_sys_fstatfs64_wrapper) - llgfr %r2,%r2 # unsigned int fd - llgfr %r3,%r3 # compat_size_t - llgtr %r4,%r4 # struct compat_statfs64 * - jg compat_sys_fstatfs64 - -ENTRY(compat_sys_mq_open_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - llgfr %r4,%r4 # mode_t - llgtr %r5,%r5 # struct compat_mq_attr * - jg compat_sys_mq_open - -ENTRY(sys32_mq_unlink_wrapper) - llgtr %r2,%r2 # const char * - jg sys_mq_unlink - -ENTRY(compat_sys_mq_timedsend_wrapper) - lgfr %r2,%r2 # mqd_t - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # size_t - llgfr %r5,%r5 # unsigned int - llgtr %r6,%r6 # const struct compat_timespec * - jg compat_sys_mq_timedsend - -ENTRY(compat_sys_mq_timedreceive_wrapper) - lgfr %r2,%r2 # mqd_t - llgtr %r3,%r3 # char * - llgfr %r4,%r4 # size_t - llgtr %r5,%r5 # unsigned int * - llgtr %r6,%r6 # const struct compat_timespec * - jg compat_sys_mq_timedreceive - -ENTRY(compat_sys_mq_notify_wrapper) - lgfr %r2,%r2 # mqd_t - llgtr %r3,%r3 # struct compat_sigevent * - jg compat_sys_mq_notify - -ENTRY(compat_sys_mq_getsetattr_wrapper) - lgfr %r2,%r2 # mqd_t - llgtr %r3,%r3 # struct compat_mq_attr * - llgtr %r4,%r4 # struct compat_mq_attr * - jg compat_sys_mq_getsetattr - -ENTRY(compat_sys_add_key_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - llgtr %r4,%r4 # const void * - llgfr %r5,%r5 # size_t - llgfr %r6,%r6 # (key_serial_t) u32 - jg sys_add_key - -ENTRY(compat_sys_request_key_wrapper) - llgtr %r2,%r2 # const char * - llgtr %r3,%r3 # const char * - llgtr %r4,%r4 # const void * - llgfr %r5,%r5 # (key_serial_t) u32 - jg sys_request_key - -ENTRY(sys32_remap_file_pages_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # unsigned long - llgfr %r6,%r6 # unsigned long - jg sys_remap_file_pages - -ENTRY(compat_sys_waitid_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # pid_t - llgtr %r4,%r4 # siginfo_emu31_t * - lgfr %r5,%r5 # int - llgtr %r6,%r6 # struct rusage_emu31 * - jg compat_sys_waitid - -ENTRY(compat_sys_kexec_load_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # unsigned long - llgtr %r4,%r4 # struct kexec_segment * - llgfr %r5,%r5 # unsigned long - jg compat_sys_kexec_load - -ENTRY(sys_ioprio_set_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - lgfr %r4,%r4 # int - jg sys_ioprio_set - -ENTRY(sys_ioprio_get_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - jg sys_ioprio_get - -ENTRY(sys_inotify_add_watch_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # u32 - jg sys_inotify_add_watch - -ENTRY(sys_inotify_rm_watch_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # u32 - jg sys_inotify_rm_watch - -ENTRY(compat_sys_openat_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - lgfr %r5,%r5 # int - jg compat_sys_openat - -ENTRY(sys_mkdirat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - jg sys_mkdirat - -ENTRY(sys_mknodat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - llgfr %r5,%r5 # unsigned int - jg sys_mknodat - -ENTRY(sys_fchownat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # uid_t - llgfr %r5,%r5 # gid_t - lgfr %r6,%r6 # int - jg sys_fchownat - -ENTRY(compat_sys_futimesat_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # struct timeval * - jg compat_sys_futimesat - -ENTRY(sys32_fstatat64_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # struct stat64 * - lgfr %r5,%r5 # int - jg sys32_fstatat64 - -ENTRY(sys_unlinkat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - jg sys_unlinkat - -ENTRY(sys_renameat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - llgtr %r5,%r5 # const char * - jg sys_renameat - -ENTRY(sys_linkat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - llgtr %r5,%r5 # const char * - lgfr %r6,%r6 # int - jg sys_linkat - -ENTRY(sys_symlinkat_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # int - llgtr %r4,%r4 # const char * - jg sys_symlinkat - -ENTRY(sys_readlinkat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - llgtr %r4,%r4 # char * - lgfr %r5,%r5 # int - jg sys_readlinkat - -ENTRY(sys_fchmodat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # mode_t - jg sys_fchmodat - -ENTRY(sys_faccessat_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char * - lgfr %r4,%r4 # int - jg sys_faccessat - -ENTRY(compat_sys_pselect6_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # fd_set * - llgtr %r4,%r4 # fd_set * - llgtr %r5,%r5 # fd_set * - llgtr %r6,%r6 # struct timespec * - llgt %r0,164(%r15) # void * - stg %r0,160(%r15) - jg compat_sys_pselect6 - -ENTRY(compat_sys_ppoll_wrapper) - llgtr %r2,%r2 # struct pollfd * - llgfr %r3,%r3 # unsigned int - llgtr %r4,%r4 # struct timespec * - llgtr %r5,%r5 # const sigset_t * - llgfr %r6,%r6 # size_t - jg compat_sys_ppoll - -ENTRY(sys_unshare_wrapper) - llgfr %r2,%r2 # unsigned long - jg sys_unshare - -ENTRY(compat_sys_set_robust_list_wrapper) - llgtr %r2,%r2 # struct compat_robust_list_head * - llgfr %r3,%r3 # size_t - jg compat_sys_set_robust_list - -ENTRY(compat_sys_get_robust_list_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_uptr_t_t * - llgtr %r4,%r4 # compat_size_t * - jg compat_sys_get_robust_list - -ENTRY(sys_splice_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # loff_t * - lgfr %r4,%r4 # int - llgtr %r5,%r5 # loff_t * - llgfr %r6,%r6 # size_t - llgf %r0,164(%r15) # unsigned int - stg %r0,160(%r15) - jg sys_splice - -ENTRY(sys_sync_file_range_wrapper) - lgfr %r2,%r2 # int - sllg %r3,%r3,32 # get high word of 64bit loff_t - or %r3,%r4 # get low word of 64bit loff_t - sllg %r4,%r5,32 # get high word of 64bit loff_t - or %r4,%r6 # get low word of 64bit loff_t - llgf %r5,164(%r15) # unsigned int - jg sys_sync_file_range - -ENTRY(sys_tee_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgfr %r4,%r4 # size_t - llgfr %r5,%r5 # unsigned int - jg sys_tee - -ENTRY(compat_sys_vmsplice_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_iovec * - llgfr %r4,%r4 # unsigned int - llgfr %r5,%r5 # unsigned int - jg compat_sys_vmsplice - -ENTRY(sys_getcpu_wrapper) - llgtr %r2,%r2 # unsigned * - llgtr %r3,%r3 # unsigned * - llgtr %r4,%r4 # struct getcpu_cache * - jg sys_getcpu - -ENTRY(compat_sys_epoll_pwait_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct compat_epoll_event * - lgfr %r4,%r4 # int - lgfr %r5,%r5 # int - llgtr %r6,%r6 # compat_sigset_t * - llgf %r0,164(%r15) # compat_size_t - stg %r0,160(%r15) - jg compat_sys_epoll_pwait - -ENTRY(compat_sys_utimes_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # struct compat_timeval * - jg compat_sys_utimes - -ENTRY(compat_sys_utimensat_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # char * - llgtr %r4,%r4 # struct compat_timespec * - lgfr %r5,%r5 # int - jg compat_sys_utimensat - -ENTRY(compat_sys_signalfd_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_sigset_t * - llgfr %r4,%r4 # compat_size_t - jg compat_sys_signalfd - -ENTRY(sys_eventfd_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_eventfd - -ENTRY(sys_fallocate_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - sllg %r4,%r4,32 # get high word of 64bit loff_t - lr %r4,%r5 # get low word of 64bit loff_t - sllg %r5,%r6,32 # get high word of 64bit loff_t - l %r5,164(%r15) # get low word of 64bit loff_t - jg sys_fallocate - -ENTRY(sys_timerfd_create_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - jg sys_timerfd_create - -ENTRY(compat_sys_timerfd_settime_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgtr %r4,%r4 # struct compat_itimerspec * - llgtr %r5,%r5 # struct compat_itimerspec * - jg compat_sys_timerfd_settime - -ENTRY(compat_sys_timerfd_gettime_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct compat_itimerspec * - jg compat_sys_timerfd_gettime - -ENTRY(compat_sys_signalfd4_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # compat_sigset_t * - llgfr %r4,%r4 # compat_size_t - lgfr %r5,%r5 # int - jg compat_sys_signalfd4 - -ENTRY(sys_eventfd2_wrapper) - llgfr %r2,%r2 # unsigned int - lgfr %r3,%r3 # int - jg sys_eventfd2 - -ENTRY(sys_inotify_init1_wrapper) - lgfr %r2,%r2 # int - jg sys_inotify_init1 - -ENTRY(sys_pipe2_wrapper) - llgtr %r2,%r2 # u32 * - lgfr %r3,%r3 # int - jg sys_pipe2 # branch to system call - -ENTRY(sys_dup3_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - lgfr %r4,%r4 # int - jg sys_dup3 # branch to system call - -ENTRY(sys_epoll_create1_wrapper) - lgfr %r2,%r2 # int - jg sys_epoll_create1 # branch to system call - -ENTRY(sys32_readahead_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # u32 - llgfr %r4,%r4 # u32 - lgfr %r5,%r5 # s32 - jg sys32_readahead # branch to system call - -ENTRY(sys32_sendfile64_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - llgtr %r4,%r4 # compat_loff_t * - lgfr %r5,%r5 # s32 - jg sys32_sendfile64 # branch to system call - -ENTRY(sys_tkill_wrapper) - lgfr %r2,%r2 # pid_t - lgfr %r3,%r3 # int - jg sys_tkill # branch to system call - -ENTRY(sys_tgkill_wrapper) - lgfr %r2,%r2 # pid_t - lgfr %r3,%r3 # pid_t - lgfr %r4,%r4 # int - jg sys_tgkill # branch to system call - -ENTRY(compat_sys_keyctl_wrapper) - llgfr %r2,%r2 # u32 - llgfr %r3,%r3 # u32 - llgfr %r4,%r4 # u32 - llgfr %r5,%r5 # u32 - llgfr %r6,%r6 # u32 - jg compat_sys_keyctl # branch to system call - -ENTRY(compat_sys_preadv_wrapper) - llgfr %r2,%r2 # unsigned long - llgtr %r3,%r3 # compat_iovec * - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # u32 - llgfr %r6,%r6 # u32 - jg compat_sys_preadv # branch to system call - -ENTRY(compat_sys_pwritev_wrapper) - llgfr %r2,%r2 # unsigned long - llgtr %r3,%r3 # compat_iovec * - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # u32 - llgfr %r6,%r6 # u32 - jg compat_sys_pwritev # branch to system call - -ENTRY(compat_sys_rt_tgsigqueueinfo_wrapper) - lgfr %r2,%r2 # compat_pid_t - lgfr %r3,%r3 # compat_pid_t - lgfr %r4,%r4 # int - llgtr %r5,%r5 # struct compat_siginfo * - jg compat_sys_rt_tgsigqueueinfo_wrapper # branch to system call - -ENTRY(sys_perf_event_open_wrapper) - llgtr %r2,%r2 # const struct perf_event_attr * - lgfr %r3,%r3 # pid_t - lgfr %r4,%r4 # int - lgfr %r5,%r5 # int - llgfr %r6,%r6 # unsigned long - jg sys_perf_event_open # branch to system call - -ENTRY(sys_clone_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # unsigned long - llgtr %r4,%r4 # int * - llgtr %r5,%r5 # int * - jg sys_clone # branch to system call - -ENTRY(sys32_execve_wrapper) - llgtr %r2,%r2 # char * - llgtr %r3,%r3 # compat_uptr_t * - llgtr %r4,%r4 # compat_uptr_t * - jg sys32_execve # branch to system call - -ENTRY(sys_fanotify_init_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned int - jg sys_fanotify_init # branch to system call - -ENTRY(sys_fanotify_mark_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned int - sllg %r4,%r4,32 # get high word of 64bit mask - lr %r4,%r5 # get low word of 64bit mask - llgfr %r5,%r6 # unsigned int - llgt %r6,164(%r15) # char * - jg sys_fanotify_mark # branch to system call - -ENTRY(sys_prlimit64_wrapper) - lgfr %r2,%r2 # pid_t - llgfr %r3,%r3 # unsigned int - llgtr %r4,%r4 # const struct rlimit64 __user * - llgtr %r5,%r5 # struct rlimit64 __user * - jg sys_prlimit64 # branch to system call - -ENTRY(sys_name_to_handle_at_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # const char __user * - llgtr %r4,%r4 # struct file_handle __user * - llgtr %r5,%r5 # int __user * - lgfr %r6,%r6 # int - jg sys_name_to_handle_at - -ENTRY(compat_sys_open_by_handle_at_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct file_handle __user * - lgfr %r4,%r4 # int - jg compat_sys_open_by_handle_at - -ENTRY(compat_sys_clock_adjtime_wrapper) - lgfr %r2,%r2 # clockid_t (int) - llgtr %r3,%r3 # struct compat_timex __user * - jg compat_sys_clock_adjtime - -ENTRY(sys_syncfs_wrapper) - lgfr %r2,%r2 # int - jg sys_syncfs - -ENTRY(sys_setns_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # int - jg sys_setns - -ENTRY(compat_sys_process_vm_readv_wrapper) - lgfr %r2,%r2 # compat_pid_t - llgtr %r3,%r3 # struct compat_iovec __user * - llgfr %r4,%r4 # unsigned long - llgtr %r5,%r5 # struct compat_iovec __user * - llgfr %r6,%r6 # unsigned long - llgf %r0,164(%r15) # unsigned long - stg %r0,160(%r15) - jg sys_process_vm_readv - -ENTRY(compat_sys_process_vm_writev_wrapper) - lgfr %r2,%r2 # compat_pid_t - llgtr %r3,%r3 # struct compat_iovec __user * - llgfr %r4,%r4 # unsigned long - llgtr %r5,%r5 # struct compat_iovec __user * - llgfr %r6,%r6 # unsigned long - llgf %r0,164(%r15) # unsigned long - stg %r0,160(%r15) - jg sys_process_vm_writev diff --git a/ANDROID_3.4.5/arch/s390/kernel/cpcmd.c b/ANDROID_3.4.5/arch/s390/kernel/cpcmd.c deleted file mode 100644 index e3dd886e..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/cpcmd.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * arch/s390/kernel/cpcmd.c - * - * S390 version - * Copyright IBM Corp. 1999,2007 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Christian Borntraeger (cborntra@de.ibm.com), - */ - -#define KMSG_COMPONENT "cpcmd" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/stddef.h> -#include <linux/string.h> -#include <asm/ebcdic.h> -#include <asm/cpcmd.h> -#include <asm/io.h> - -static DEFINE_SPINLOCK(cpcmd_lock); -static char cpcmd_buf[241]; - -static int diag8_noresponse(int cmdlen) -{ - register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf; - register unsigned long reg3 asm ("3") = cmdlen; - - asm volatile( -#ifndef CONFIG_64BIT - " diag %1,%0,0x8\n" -#else /* CONFIG_64BIT */ - " sam31\n" - " diag %1,%0,0x8\n" - " sam64\n" -#endif /* CONFIG_64BIT */ - : "+d" (reg3) : "d" (reg2) : "cc"); - return reg3; -} - -static int diag8_response(int cmdlen, char *response, int *rlen) -{ - register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf; - register unsigned long reg3 asm ("3") = (addr_t) response; - register unsigned long reg4 asm ("4") = cmdlen | 0x40000000L; - register unsigned long reg5 asm ("5") = *rlen; - - asm volatile( -#ifndef CONFIG_64BIT - " diag %2,%0,0x8\n" - " brc 8,1f\n" - " ar %1,%4\n" -#else /* CONFIG_64BIT */ - " sam31\n" - " diag %2,%0,0x8\n" - " sam64\n" - " brc 8,1f\n" - " agr %1,%4\n" -#endif /* CONFIG_64BIT */ - "1:\n" - : "+d" (reg4), "+d" (reg5) - : "d" (reg2), "d" (reg3), "d" (*rlen) : "cc"); - *rlen = reg5; - return reg4; -} - -/* - * __cpcmd has some restrictions over cpcmd - * - the response buffer must reside below 2GB (if any) - * - __cpcmd is unlocked and therefore not SMP-safe - */ -int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) -{ - int cmdlen; - int rc; - int response_len; - - cmdlen = strlen(cmd); - BUG_ON(cmdlen > 240); - memcpy(cpcmd_buf, cmd, cmdlen); - ASCEBC(cpcmd_buf, cmdlen); - - if (response) { - memset(response, 0, rlen); - response_len = rlen; - rc = diag8_response(cmdlen, response, &rlen); - EBCASC(response, response_len); - } else { - rc = diag8_noresponse(cmdlen); - } - if (response_code) - *response_code = rc; - return rlen; -} -EXPORT_SYMBOL(__cpcmd); - -int cpcmd(const char *cmd, char *response, int rlen, int *response_code) -{ - char *lowbuf; - int len; - unsigned long flags; - - if ((virt_to_phys(response) != (unsigned long) response) || - (((unsigned long)response + rlen) >> 31)) { - lowbuf = kmalloc(rlen, GFP_KERNEL | GFP_DMA); - if (!lowbuf) { - pr_warning("The cpcmd kernel function failed to " - "allocate a response buffer\n"); - return -ENOMEM; - } - spin_lock_irqsave(&cpcmd_lock, flags); - len = __cpcmd(cmd, lowbuf, rlen, response_code); - spin_unlock_irqrestore(&cpcmd_lock, flags); - memcpy(response, lowbuf, rlen); - kfree(lowbuf); - } else { - spin_lock_irqsave(&cpcmd_lock, flags); - len = __cpcmd(cmd, response, rlen, response_code); - spin_unlock_irqrestore(&cpcmd_lock, flags); - } - return len; -} -EXPORT_SYMBOL(cpcmd); diff --git a/ANDROID_3.4.5/arch/s390/kernel/crash.c b/ANDROID_3.4.5/arch/s390/kernel/crash.c deleted file mode 100644 index 8cc7c9fa..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/crash.c +++ /dev/null @@ -1,16 +0,0 @@ -/* - * arch/s390/kernel/crash.c - * - * (C) Copyright IBM Corp. 2005 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - * - */ - -#include <linux/threads.h> -#include <linux/kexec.h> -#include <linux/reboot.h> - -void machine_crash_shutdown(struct pt_regs *regs) -{ -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/crash_dump.c b/ANDROID_3.4.5/arch/s390/kernel/crash_dump.c deleted file mode 100644 index cc1172b2..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/crash_dump.c +++ /dev/null @@ -1,442 +0,0 @@ -/* - * S390 kdump implementation - * - * Copyright IBM Corp. 2011 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#include <linux/crash_dump.h> -#include <asm/lowcore.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/gfp.h> -#include <linux/slab.h> -#include <linux/bootmem.h> -#include <linux/elf.h> -#include <asm/ipl.h> -#include <asm/os_info.h> - -#define PTR_ADD(x, y) (((char *) (x)) + ((unsigned long) (y))) -#define PTR_SUB(x, y) (((char *) (x)) - ((unsigned long) (y))) -#define PTR_DIFF(x, y) ((unsigned long)(((char *) (x)) - ((unsigned long) (y)))) - -/* - * Copy one page from "oldmem" - * - * For the kdump reserved memory this functions performs a swap operation: - * - [OLDMEM_BASE - OLDMEM_BASE + OLDMEM_SIZE] is mapped to [0 - OLDMEM_SIZE]. - * - [0 - OLDMEM_SIZE] is mapped to [OLDMEM_BASE - OLDMEM_BASE + OLDMEM_SIZE] - */ -ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - size_t csize, unsigned long offset, int userbuf) -{ - unsigned long src; - - if (!csize) - return 0; - - src = (pfn << PAGE_SHIFT) + offset; - if (src < OLDMEM_SIZE) - src += OLDMEM_BASE; - else if (src > OLDMEM_BASE && - src < OLDMEM_BASE + OLDMEM_SIZE) - src -= OLDMEM_BASE; - if (userbuf) - copy_to_user_real((void __force __user *) buf, (void *) src, - csize); - else - memcpy_real(buf, (void *) src, csize); - return csize; -} - -/* - * Copy memory from old kernel - */ -int copy_from_oldmem(void *dest, void *src, size_t count) -{ - unsigned long copied = 0; - int rc; - - if ((unsigned long) src < OLDMEM_SIZE) { - copied = min(count, OLDMEM_SIZE - (unsigned long) src); - rc = memcpy_real(dest, src + OLDMEM_BASE, copied); - if (rc) - return rc; - } - return memcpy_real(dest + copied, src + copied, count - copied); -} - -/* - * Alloc memory and panic in case of ENOMEM - */ -static void *kzalloc_panic(int len) -{ - void *rc; - - rc = kzalloc(len, GFP_KERNEL); - if (!rc) - panic("s390 kdump kzalloc (%d) failed", len); - return rc; -} - -/* - * Get memory layout and create hole for oldmem - */ -static struct mem_chunk *get_memory_layout(void) -{ - struct mem_chunk *chunk_array; - - chunk_array = kzalloc_panic(MEMORY_CHUNKS * sizeof(struct mem_chunk)); - detect_memory_layout(chunk_array); - create_mem_hole(chunk_array, OLDMEM_BASE, OLDMEM_SIZE, CHUNK_CRASHK); - return chunk_array; -} - -/* - * Initialize ELF note - */ -static void *nt_init(void *buf, Elf64_Word type, void *desc, int d_len, - const char *name) -{ - Elf64_Nhdr *note; - u64 len; - - note = (Elf64_Nhdr *)buf; - note->n_namesz = strlen(name) + 1; - note->n_descsz = d_len; - note->n_type = type; - len = sizeof(Elf64_Nhdr); - - memcpy(buf + len, name, note->n_namesz); - len = roundup(len + note->n_namesz, 4); - - memcpy(buf + len, desc, note->n_descsz); - len = roundup(len + note->n_descsz, 4); - - return PTR_ADD(buf, len); -} - -/* - * Initialize prstatus note - */ -static void *nt_prstatus(void *ptr, struct save_area *sa) -{ - struct elf_prstatus nt_prstatus; - static int cpu_nr = 1; - - memset(&nt_prstatus, 0, sizeof(nt_prstatus)); - memcpy(&nt_prstatus.pr_reg.gprs, sa->gp_regs, sizeof(sa->gp_regs)); - memcpy(&nt_prstatus.pr_reg.psw, sa->psw, sizeof(sa->psw)); - memcpy(&nt_prstatus.pr_reg.acrs, sa->acc_regs, sizeof(sa->acc_regs)); - nt_prstatus.pr_pid = cpu_nr; - cpu_nr++; - - return nt_init(ptr, NT_PRSTATUS, &nt_prstatus, sizeof(nt_prstatus), - "CORE"); -} - -/* - * Initialize fpregset (floating point) note - */ -static void *nt_fpregset(void *ptr, struct save_area *sa) -{ - elf_fpregset_t nt_fpregset; - - memset(&nt_fpregset, 0, sizeof(nt_fpregset)); - memcpy(&nt_fpregset.fpc, &sa->fp_ctrl_reg, sizeof(sa->fp_ctrl_reg)); - memcpy(&nt_fpregset.fprs, &sa->fp_regs, sizeof(sa->fp_regs)); - - return nt_init(ptr, NT_PRFPREG, &nt_fpregset, sizeof(nt_fpregset), - "CORE"); -} - -/* - * Initialize timer note - */ -static void *nt_s390_timer(void *ptr, struct save_area *sa) -{ - return nt_init(ptr, NT_S390_TIMER, &sa->timer, sizeof(sa->timer), - KEXEC_CORE_NOTE_NAME); -} - -/* - * Initialize TOD clock comparator note - */ -static void *nt_s390_tod_cmp(void *ptr, struct save_area *sa) -{ - return nt_init(ptr, NT_S390_TODCMP, &sa->clk_cmp, - sizeof(sa->clk_cmp), KEXEC_CORE_NOTE_NAME); -} - -/* - * Initialize TOD programmable register note - */ -static void *nt_s390_tod_preg(void *ptr, struct save_area *sa) -{ - return nt_init(ptr, NT_S390_TODPREG, &sa->tod_reg, - sizeof(sa->tod_reg), KEXEC_CORE_NOTE_NAME); -} - -/* - * Initialize control register note - */ -static void *nt_s390_ctrs(void *ptr, struct save_area *sa) -{ - return nt_init(ptr, NT_S390_CTRS, &sa->ctrl_regs, - sizeof(sa->ctrl_regs), KEXEC_CORE_NOTE_NAME); -} - -/* - * Initialize prefix register note - */ -static void *nt_s390_prefix(void *ptr, struct save_area *sa) -{ - return nt_init(ptr, NT_S390_PREFIX, &sa->pref_reg, - sizeof(sa->pref_reg), KEXEC_CORE_NOTE_NAME); -} - -/* - * Fill ELF notes for one CPU with save area registers - */ -void *fill_cpu_elf_notes(void *ptr, struct save_area *sa) -{ - ptr = nt_prstatus(ptr, sa); - ptr = nt_fpregset(ptr, sa); - ptr = nt_s390_timer(ptr, sa); - ptr = nt_s390_tod_cmp(ptr, sa); - ptr = nt_s390_tod_preg(ptr, sa); - ptr = nt_s390_ctrs(ptr, sa); - ptr = nt_s390_prefix(ptr, sa); - return ptr; -} - -/* - * Initialize prpsinfo note (new kernel) - */ -static void *nt_prpsinfo(void *ptr) -{ - struct elf_prpsinfo prpsinfo; - - memset(&prpsinfo, 0, sizeof(prpsinfo)); - prpsinfo.pr_sname = 'R'; - strcpy(prpsinfo.pr_fname, "vmlinux"); - return nt_init(ptr, NT_PRPSINFO, &prpsinfo, sizeof(prpsinfo), - KEXEC_CORE_NOTE_NAME); -} - -/* - * Get vmcoreinfo using lowcore->vmcore_info (new kernel) - */ -static void *get_vmcoreinfo_old(unsigned long *size) -{ - char nt_name[11], *vmcoreinfo; - Elf64_Nhdr note; - void *addr; - - if (copy_from_oldmem(&addr, &S390_lowcore.vmcore_info, sizeof(addr))) - return NULL; - memset(nt_name, 0, sizeof(nt_name)); - if (copy_from_oldmem(¬e, addr, sizeof(note))) - return NULL; - if (copy_from_oldmem(nt_name, addr + sizeof(note), sizeof(nt_name) - 1)) - return NULL; - if (strcmp(nt_name, "VMCOREINFO") != 0) - return NULL; - vmcoreinfo = kzalloc_panic(note.n_descsz); - if (copy_from_oldmem(vmcoreinfo, addr + 24, note.n_descsz)) - return NULL; - *size = note.n_descsz; - return vmcoreinfo; -} - -/* - * Initialize vmcoreinfo note (new kernel) - */ -static void *nt_vmcoreinfo(void *ptr) -{ - unsigned long size; - void *vmcoreinfo; - - vmcoreinfo = os_info_old_entry(OS_INFO_VMCOREINFO, &size); - if (!vmcoreinfo) - vmcoreinfo = get_vmcoreinfo_old(&size); - if (!vmcoreinfo) - return ptr; - return nt_init(ptr, 0, vmcoreinfo, size, "VMCOREINFO"); -} - -/* - * Initialize ELF header (new kernel) - */ -static void *ehdr_init(Elf64_Ehdr *ehdr, int mem_chunk_cnt) -{ - memset(ehdr, 0, sizeof(*ehdr)); - memcpy(ehdr->e_ident, ELFMAG, SELFMAG); - ehdr->e_ident[EI_CLASS] = ELFCLASS64; - ehdr->e_ident[EI_DATA] = ELFDATA2MSB; - ehdr->e_ident[EI_VERSION] = EV_CURRENT; - memset(ehdr->e_ident + EI_PAD, 0, EI_NIDENT - EI_PAD); - ehdr->e_type = ET_CORE; - ehdr->e_machine = EM_S390; - ehdr->e_version = EV_CURRENT; - ehdr->e_phoff = sizeof(Elf64_Ehdr); - ehdr->e_ehsize = sizeof(Elf64_Ehdr); - ehdr->e_phentsize = sizeof(Elf64_Phdr); - ehdr->e_phnum = mem_chunk_cnt + 1; - return ehdr + 1; -} - -/* - * Return CPU count for ELF header (new kernel) - */ -static int get_cpu_cnt(void) -{ - int i, cpus = 0; - - for (i = 0; zfcpdump_save_areas[i]; i++) { - if (zfcpdump_save_areas[i]->pref_reg == 0) - continue; - cpus++; - } - return cpus; -} - -/* - * Return memory chunk count for ELF header (new kernel) - */ -static int get_mem_chunk_cnt(void) -{ - struct mem_chunk *chunk_array, *mem_chunk; - int i, cnt = 0; - - chunk_array = get_memory_layout(); - for (i = 0; i < MEMORY_CHUNKS; i++) { - mem_chunk = &chunk_array[i]; - if (chunk_array[i].type != CHUNK_READ_WRITE && - chunk_array[i].type != CHUNK_READ_ONLY) - continue; - if (mem_chunk->size == 0) - continue; - cnt++; - } - kfree(chunk_array); - return cnt; -} - -/* - * Relocate pointer in order to allow vmcore code access the data - */ -static inline unsigned long relocate(unsigned long addr) -{ - return OLDMEM_BASE + addr; -} - -/* - * Initialize ELF loads (new kernel) - */ -static int loads_init(Elf64_Phdr *phdr, u64 loads_offset) -{ - struct mem_chunk *chunk_array, *mem_chunk; - int i; - - chunk_array = get_memory_layout(); - for (i = 0; i < MEMORY_CHUNKS; i++) { - mem_chunk = &chunk_array[i]; - if (mem_chunk->size == 0) - break; - if (chunk_array[i].type != CHUNK_READ_WRITE && - chunk_array[i].type != CHUNK_READ_ONLY) - continue; - else - phdr->p_filesz = mem_chunk->size; - phdr->p_type = PT_LOAD; - phdr->p_offset = mem_chunk->addr; - phdr->p_vaddr = mem_chunk->addr; - phdr->p_paddr = mem_chunk->addr; - phdr->p_memsz = mem_chunk->size; - phdr->p_flags = PF_R | PF_W | PF_X; - phdr->p_align = PAGE_SIZE; - phdr++; - } - kfree(chunk_array); - return i; -} - -/* - * Initialize notes (new kernel) - */ -static void *notes_init(Elf64_Phdr *phdr, void *ptr, u64 notes_offset) -{ - struct save_area *sa; - void *ptr_start = ptr; - int i; - - ptr = nt_prpsinfo(ptr); - - for (i = 0; zfcpdump_save_areas[i]; i++) { - sa = zfcpdump_save_areas[i]; - if (sa->pref_reg == 0) - continue; - ptr = fill_cpu_elf_notes(ptr, sa); - } - ptr = nt_vmcoreinfo(ptr); - memset(phdr, 0, sizeof(*phdr)); - phdr->p_type = PT_NOTE; - phdr->p_offset = relocate(notes_offset); - phdr->p_filesz = (unsigned long) PTR_SUB(ptr, ptr_start); - phdr->p_memsz = phdr->p_filesz; - return ptr; -} - -/* - * Create ELF core header (new kernel) - */ -static void s390_elf_corehdr_create(char **elfcorebuf, size_t *elfcorebuf_sz) -{ - Elf64_Phdr *phdr_notes, *phdr_loads; - int mem_chunk_cnt; - void *ptr, *hdr; - u32 alloc_size; - u64 hdr_off; - - mem_chunk_cnt = get_mem_chunk_cnt(); - - alloc_size = 0x1000 + get_cpu_cnt() * 0x300 + - mem_chunk_cnt * sizeof(Elf64_Phdr); - hdr = kzalloc_panic(alloc_size); - /* Init elf header */ - ptr = ehdr_init(hdr, mem_chunk_cnt); - /* Init program headers */ - phdr_notes = ptr; - ptr = PTR_ADD(ptr, sizeof(Elf64_Phdr)); - phdr_loads = ptr; - ptr = PTR_ADD(ptr, sizeof(Elf64_Phdr) * mem_chunk_cnt); - /* Init notes */ - hdr_off = PTR_DIFF(ptr, hdr); - ptr = notes_init(phdr_notes, ptr, ((unsigned long) hdr) + hdr_off); - /* Init loads */ - hdr_off = PTR_DIFF(ptr, hdr); - loads_init(phdr_loads, ((unsigned long) hdr) + hdr_off); - *elfcorebuf_sz = hdr_off; - *elfcorebuf = (void *) relocate((unsigned long) hdr); - BUG_ON(*elfcorebuf_sz > alloc_size); -} - -/* - * Create kdump ELF core header in new kernel, if it has not been passed via - * the "elfcorehdr" kernel parameter - */ -static int setup_kdump_elfcorehdr(void) -{ - size_t elfcorebuf_sz; - char *elfcorebuf; - - if (!OLDMEM_BASE || is_kdump_kernel()) - return -EINVAL; - s390_elf_corehdr_create(&elfcorebuf, &elfcorebuf_sz); - elfcorehdr_addr = (unsigned long long) elfcorebuf; - elfcorehdr_size = elfcorebuf_sz; - return 0; -} - -subsys_initcall(setup_kdump_elfcorehdr); diff --git a/ANDROID_3.4.5/arch/s390/kernel/debug.c b/ANDROID_3.4.5/arch/s390/kernel/debug.c deleted file mode 100644 index 19e5e9eb..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/debug.c +++ /dev/null @@ -1,1566 +0,0 @@ -/* - * arch/s390/kernel/debug.c - * S/390 debug facility - * - * Copyright IBM Corp. 1999, 2012 - * - * Author(s): Michael Holzheu (holzheu@de.ibm.com), - * Holger Smolinski (Holger.Smolinski@de.ibm.com) - * - * Bugreports to: <Linux390@de.ibm.com> - */ - -#define KMSG_COMPONENT "s390dbf" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/ctype.h> -#include <linux/string.h> -#include <linux/sysctl.h> -#include <asm/uaccess.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/debugfs.h> - -#include <asm/debug.h> - -#define DEBUG_PROLOG_ENTRY -1 - -#define ALL_AREAS 0 /* copy all debug areas */ -#define NO_AREAS 1 /* copy no debug areas */ - -/* typedefs */ - -typedef struct file_private_info { - loff_t offset; /* offset of last read in file */ - int act_area; /* number of last formated area */ - int act_page; /* act page in given area */ - int act_entry; /* last formated entry (offset */ - /* relative to beginning of last */ - /* formated page) */ - size_t act_entry_offset; /* up to this offset we copied */ - /* in last read the last formated */ - /* entry to userland */ - char temp_buf[2048]; /* buffer for output */ - debug_info_t *debug_info_org; /* original debug information */ - debug_info_t *debug_info_snap; /* snapshot of debug information */ - struct debug_view *view; /* used view of debug info */ -} file_private_info_t; - -typedef struct -{ - char *string; - /* - * This assumes that all args are converted into longs - * on L/390 this is the case for all types of parameter - * except of floats, and long long (32 bit) - * - */ - long args[0]; -} debug_sprintf_entry_t; - - -/* internal function prototyes */ - -static int debug_init(void); -static ssize_t debug_output(struct file *file, char __user *user_buf, - size_t user_len, loff_t * offset); -static ssize_t debug_input(struct file *file, const char __user *user_buf, - size_t user_len, loff_t * offset); -static int debug_open(struct inode *inode, struct file *file); -static int debug_close(struct inode *inode, struct file *file); -static debug_info_t *debug_info_create(const char *name, int pages_per_area, - int nr_areas, int buf_size, umode_t mode); -static void debug_info_get(debug_info_t *); -static void debug_info_put(debug_info_t *); -static int debug_prolog_level_fn(debug_info_t * id, - struct debug_view *view, char *out_buf); -static int debug_input_level_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_buf_size, loff_t * offset); -static int debug_prolog_pages_fn(debug_info_t * id, - struct debug_view *view, char *out_buf); -static int debug_input_pages_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_buf_size, loff_t * offset); -static int debug_input_flush_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_buf_size, loff_t * offset); -static int debug_hex_ascii_format_fn(debug_info_t * id, struct debug_view *view, - char *out_buf, const char *in_buf); -static int debug_raw_format_fn(debug_info_t * id, - struct debug_view *view, char *out_buf, - const char *in_buf); -static int debug_raw_header_fn(debug_info_t * id, struct debug_view *view, - int area, debug_entry_t * entry, char *out_buf); - -static int debug_sprintf_format_fn(debug_info_t * id, struct debug_view *view, - char *out_buf, debug_sprintf_entry_t *curr_event); - -/* globals */ - -struct debug_view debug_raw_view = { - "raw", - NULL, - &debug_raw_header_fn, - &debug_raw_format_fn, - NULL, - NULL -}; - -struct debug_view debug_hex_ascii_view = { - "hex_ascii", - NULL, - &debug_dflt_header_fn, - &debug_hex_ascii_format_fn, - NULL, - NULL -}; - -static struct debug_view debug_level_view = { - "level", - &debug_prolog_level_fn, - NULL, - NULL, - &debug_input_level_fn, - NULL -}; - -static struct debug_view debug_pages_view = { - "pages", - &debug_prolog_pages_fn, - NULL, - NULL, - &debug_input_pages_fn, - NULL -}; - -static struct debug_view debug_flush_view = { - "flush", - NULL, - NULL, - NULL, - &debug_input_flush_fn, - NULL -}; - -struct debug_view debug_sprintf_view = { - "sprintf", - NULL, - &debug_dflt_header_fn, - (debug_format_proc_t*)&debug_sprintf_format_fn, - NULL, - NULL -}; - -/* used by dump analysis tools to determine version of debug feature */ -static unsigned int __used debug_feature_version = __DEBUG_FEATURE_VERSION; - -/* static globals */ - -static debug_info_t *debug_area_first = NULL; -static debug_info_t *debug_area_last = NULL; -static DEFINE_MUTEX(debug_mutex); - -static int initialized; -static int debug_critical; - -static const struct file_operations debug_file_ops = { - .owner = THIS_MODULE, - .read = debug_output, - .write = debug_input, - .open = debug_open, - .release = debug_close, - .llseek = no_llseek, -}; - -static struct dentry *debug_debugfs_root_entry; - -/* functions */ - -/* - * debug_areas_alloc - * - Debug areas are implemented as a threedimensonal array: - * areas[areanumber][pagenumber][pageoffset] - */ - -static debug_entry_t*** -debug_areas_alloc(int pages_per_area, int nr_areas) -{ - debug_entry_t*** areas; - int i,j; - - areas = kmalloc(nr_areas * - sizeof(debug_entry_t**), - GFP_KERNEL); - if (!areas) - goto fail_malloc_areas; - for (i = 0; i < nr_areas; i++) { - areas[i] = kmalloc(pages_per_area * - sizeof(debug_entry_t*),GFP_KERNEL); - if (!areas[i]) { - goto fail_malloc_areas2; - } - for(j = 0; j < pages_per_area; j++) { - areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL); - if(!areas[i][j]) { - for(j--; j >=0 ; j--) { - kfree(areas[i][j]); - } - kfree(areas[i]); - goto fail_malloc_areas2; - } - } - } - return areas; - -fail_malloc_areas2: - for(i--; i >= 0; i--){ - for(j=0; j < pages_per_area;j++){ - kfree(areas[i][j]); - } - kfree(areas[i]); - } - kfree(areas); -fail_malloc_areas: - return NULL; - -} - - -/* - * debug_info_alloc - * - alloc new debug-info - */ - -static debug_info_t* -debug_info_alloc(const char *name, int pages_per_area, int nr_areas, - int buf_size, int level, int mode) -{ - debug_info_t* rc; - - /* alloc everything */ - - rc = kmalloc(sizeof(debug_info_t), GFP_KERNEL); - if(!rc) - goto fail_malloc_rc; - rc->active_entries = kcalloc(nr_areas, sizeof(int), GFP_KERNEL); - if(!rc->active_entries) - goto fail_malloc_active_entries; - rc->active_pages = kcalloc(nr_areas, sizeof(int), GFP_KERNEL); - if(!rc->active_pages) - goto fail_malloc_active_pages; - if((mode == ALL_AREAS) && (pages_per_area != 0)){ - rc->areas = debug_areas_alloc(pages_per_area, nr_areas); - if(!rc->areas) - goto fail_malloc_areas; - } else { - rc->areas = NULL; - } - - /* initialize members */ - - spin_lock_init(&rc->lock); - rc->pages_per_area = pages_per_area; - rc->nr_areas = nr_areas; - rc->active_area = 0; - rc->level = level; - rc->buf_size = buf_size; - rc->entry_size = sizeof(debug_entry_t) + buf_size; - strlcpy(rc->name, name, sizeof(rc->name)); - memset(rc->views, 0, DEBUG_MAX_VIEWS * sizeof(struct debug_view *)); - memset(rc->debugfs_entries, 0 ,DEBUG_MAX_VIEWS * - sizeof(struct dentry*)); - atomic_set(&(rc->ref_count), 0); - - return rc; - -fail_malloc_areas: - kfree(rc->active_pages); -fail_malloc_active_pages: - kfree(rc->active_entries); -fail_malloc_active_entries: - kfree(rc); -fail_malloc_rc: - return NULL; -} - -/* - * debug_areas_free - * - free all debug areas - */ - -static void -debug_areas_free(debug_info_t* db_info) -{ - int i,j; - - if(!db_info->areas) - return; - for (i = 0; i < db_info->nr_areas; i++) { - for(j = 0; j < db_info->pages_per_area; j++) { - kfree(db_info->areas[i][j]); - } - kfree(db_info->areas[i]); - } - kfree(db_info->areas); - db_info->areas = NULL; -} - -/* - * debug_info_free - * - free memory debug-info - */ - -static void -debug_info_free(debug_info_t* db_info){ - debug_areas_free(db_info); - kfree(db_info->active_entries); - kfree(db_info->active_pages); - kfree(db_info); -} - -/* - * debug_info_create - * - create new debug-info - */ - -static debug_info_t* -debug_info_create(const char *name, int pages_per_area, int nr_areas, - int buf_size, umode_t mode) -{ - debug_info_t* rc; - - rc = debug_info_alloc(name, pages_per_area, nr_areas, buf_size, - DEBUG_DEFAULT_LEVEL, ALL_AREAS); - if(!rc) - goto out; - - rc->mode = mode & ~S_IFMT; - - /* create root directory */ - rc->debugfs_root_entry = debugfs_create_dir(rc->name, - debug_debugfs_root_entry); - - /* append new element to linked list */ - if (!debug_area_first) { - /* first element in list */ - debug_area_first = rc; - rc->prev = NULL; - } else { - /* append element to end of list */ - debug_area_last->next = rc; - rc->prev = debug_area_last; - } - debug_area_last = rc; - rc->next = NULL; - - debug_info_get(rc); -out: - return rc; -} - -/* - * debug_info_copy - * - copy debug-info - */ - -static debug_info_t* -debug_info_copy(debug_info_t* in, int mode) -{ - int i,j; - debug_info_t* rc; - unsigned long flags; - - /* get a consistent copy of the debug areas */ - do { - rc = debug_info_alloc(in->name, in->pages_per_area, - in->nr_areas, in->buf_size, in->level, mode); - spin_lock_irqsave(&in->lock, flags); - if(!rc) - goto out; - /* has something changed in the meantime ? */ - if((rc->pages_per_area == in->pages_per_area) && - (rc->nr_areas == in->nr_areas)) { - break; - } - spin_unlock_irqrestore(&in->lock, flags); - debug_info_free(rc); - } while (1); - - if (mode == NO_AREAS) - goto out; - - for(i = 0; i < in->nr_areas; i++){ - for(j = 0; j < in->pages_per_area; j++) { - memcpy(rc->areas[i][j], in->areas[i][j],PAGE_SIZE); - } - } -out: - spin_unlock_irqrestore(&in->lock, flags); - return rc; -} - -/* - * debug_info_get - * - increments reference count for debug-info - */ - -static void -debug_info_get(debug_info_t * db_info) -{ - if (db_info) - atomic_inc(&db_info->ref_count); -} - -/* - * debug_info_put: - * - decreases reference count for debug-info and frees it if necessary - */ - -static void -debug_info_put(debug_info_t *db_info) -{ - int i; - - if (!db_info) - return; - if (atomic_dec_and_test(&db_info->ref_count)) { - for (i = 0; i < DEBUG_MAX_VIEWS; i++) { - if (!db_info->views[i]) - continue; - debugfs_remove(db_info->debugfs_entries[i]); - } - debugfs_remove(db_info->debugfs_root_entry); - if(db_info == debug_area_first) - debug_area_first = db_info->next; - if(db_info == debug_area_last) - debug_area_last = db_info->prev; - if(db_info->prev) db_info->prev->next = db_info->next; - if(db_info->next) db_info->next->prev = db_info->prev; - debug_info_free(db_info); - } -} - -/* - * debug_format_entry: - * - format one debug entry and return size of formated data - */ - -static int -debug_format_entry(file_private_info_t *p_info) -{ - debug_info_t *id_snap = p_info->debug_info_snap; - struct debug_view *view = p_info->view; - debug_entry_t *act_entry; - size_t len = 0; - if(p_info->act_entry == DEBUG_PROLOG_ENTRY){ - /* print prolog */ - if (view->prolog_proc) - len += view->prolog_proc(id_snap,view,p_info->temp_buf); - goto out; - } - if (!id_snap->areas) /* this is true, if we have a prolog only view */ - goto out; /* or if 'pages_per_area' is 0 */ - act_entry = (debug_entry_t *) ((char*)id_snap->areas[p_info->act_area] - [p_info->act_page] + p_info->act_entry); - - if (act_entry->id.stck == 0LL) - goto out; /* empty entry */ - if (view->header_proc) - len += view->header_proc(id_snap, view, p_info->act_area, - act_entry, p_info->temp_buf + len); - if (view->format_proc) - len += view->format_proc(id_snap, view, p_info->temp_buf + len, - DEBUG_DATA(act_entry)); -out: - return len; -} - -/* - * debug_next_entry: - * - goto next entry in p_info - */ - -static inline int -debug_next_entry(file_private_info_t *p_info) -{ - debug_info_t *id; - - id = p_info->debug_info_snap; - if(p_info->act_entry == DEBUG_PROLOG_ENTRY){ - p_info->act_entry = 0; - p_info->act_page = 0; - goto out; - } - if(!id->areas) - return 1; - p_info->act_entry += id->entry_size; - /* switch to next page, if we reached the end of the page */ - if (p_info->act_entry > (PAGE_SIZE - id->entry_size)){ - /* next page */ - p_info->act_entry = 0; - p_info->act_page += 1; - if((p_info->act_page % id->pages_per_area) == 0) { - /* next area */ - p_info->act_area++; - p_info->act_page=0; - } - if(p_info->act_area >= id->nr_areas) - return 1; - } -out: - return 0; -} - -/* - * debug_output: - * - called for user read() - * - copies formated debug entries to the user buffer - */ - -static ssize_t -debug_output(struct file *file, /* file descriptor */ - char __user *user_buf, /* user buffer */ - size_t len, /* length of buffer */ - loff_t *offset) /* offset in the file */ -{ - size_t count = 0; - size_t entry_offset; - file_private_info_t *p_info; - - p_info = ((file_private_info_t *) file->private_data); - if (*offset != p_info->offset) - return -EPIPE; - if(p_info->act_area >= p_info->debug_info_snap->nr_areas) - return 0; - entry_offset = p_info->act_entry_offset; - while(count < len){ - int formatted_line_size; - int formatted_line_residue; - int user_buf_residue; - size_t copy_size; - - formatted_line_size = debug_format_entry(p_info); - formatted_line_residue = formatted_line_size - entry_offset; - user_buf_residue = len-count; - copy_size = min(user_buf_residue, formatted_line_residue); - if(copy_size){ - if (copy_to_user(user_buf + count, p_info->temp_buf - + entry_offset, copy_size)) - return -EFAULT; - count += copy_size; - entry_offset += copy_size; - } - if(copy_size == formatted_line_residue){ - entry_offset = 0; - if(debug_next_entry(p_info)) - goto out; - } - } -out: - p_info->offset = *offset + count; - p_info->act_entry_offset = entry_offset; - *offset = p_info->offset; - return count; -} - -/* - * debug_input: - * - called for user write() - * - calls input function of view - */ - -static ssize_t -debug_input(struct file *file, const char __user *user_buf, size_t length, - loff_t *offset) -{ - int rc = 0; - file_private_info_t *p_info; - - mutex_lock(&debug_mutex); - p_info = ((file_private_info_t *) file->private_data); - if (p_info->view->input_proc) - rc = p_info->view->input_proc(p_info->debug_info_org, - p_info->view, file, user_buf, - length, offset); - else - rc = -EPERM; - mutex_unlock(&debug_mutex); - return rc; /* number of input characters */ -} - -/* - * debug_open: - * - called for user open() - * - copies formated output to private_data area of the file - * handle - */ - -static int -debug_open(struct inode *inode, struct file *file) -{ - int i, rc = 0; - file_private_info_t *p_info; - debug_info_t *debug_info, *debug_info_snapshot; - - mutex_lock(&debug_mutex); - debug_info = file->f_path.dentry->d_inode->i_private; - /* find debug view */ - for (i = 0; i < DEBUG_MAX_VIEWS; i++) { - if (!debug_info->views[i]) - continue; - else if (debug_info->debugfs_entries[i] == - file->f_path.dentry) { - goto found; /* found view ! */ - } - } - /* no entry found */ - rc = -EINVAL; - goto out; - -found: - - /* Make snapshot of current debug areas to get it consistent. */ - /* To copy all the areas is only needed, if we have a view which */ - /* formats the debug areas. */ - - if(!debug_info->views[i]->format_proc && - !debug_info->views[i]->header_proc){ - debug_info_snapshot = debug_info_copy(debug_info, NO_AREAS); - } else { - debug_info_snapshot = debug_info_copy(debug_info, ALL_AREAS); - } - - if(!debug_info_snapshot){ - rc = -ENOMEM; - goto out; - } - p_info = kmalloc(sizeof(file_private_info_t), - GFP_KERNEL); - if(!p_info){ - debug_info_free(debug_info_snapshot); - rc = -ENOMEM; - goto out; - } - p_info->offset = 0; - p_info->debug_info_snap = debug_info_snapshot; - p_info->debug_info_org = debug_info; - p_info->view = debug_info->views[i]; - p_info->act_area = 0; - p_info->act_page = 0; - p_info->act_entry = DEBUG_PROLOG_ENTRY; - p_info->act_entry_offset = 0; - file->private_data = p_info; - debug_info_get(debug_info); - nonseekable_open(inode, file); -out: - mutex_unlock(&debug_mutex); - return rc; -} - -/* - * debug_close: - * - called for user close() - * - deletes private_data area of the file handle - */ - -static int -debug_close(struct inode *inode, struct file *file) -{ - file_private_info_t *p_info; - p_info = (file_private_info_t *) file->private_data; - if(p_info->debug_info_snap) - debug_info_free(p_info->debug_info_snap); - debug_info_put(p_info->debug_info_org); - kfree(file->private_data); - return 0; /* success */ -} - -/* - * debug_register_mode: - * - Creates and initializes debug area for the caller - * The mode parameter allows to specify access rights for the s390dbf files - * - Returns handle for debug area - */ - -debug_info_t *debug_register_mode(const char *name, int pages_per_area, - int nr_areas, int buf_size, umode_t mode, - uid_t uid, gid_t gid) -{ - debug_info_t *rc = NULL; - - /* Since debugfs currently does not support uid/gid other than root, */ - /* we do not allow gid/uid != 0 until we get support for that. */ - if ((uid != 0) || (gid != 0)) - pr_warning("Root becomes the owner of all s390dbf files " - "in sysfs\n"); - BUG_ON(!initialized); - mutex_lock(&debug_mutex); - - /* create new debug_info */ - - rc = debug_info_create(name, pages_per_area, nr_areas, buf_size, mode); - if(!rc) - goto out; - debug_register_view(rc, &debug_level_view); - debug_register_view(rc, &debug_flush_view); - debug_register_view(rc, &debug_pages_view); -out: - if (!rc){ - pr_err("Registering debug feature %s failed\n", name); - } - mutex_unlock(&debug_mutex); - return rc; -} -EXPORT_SYMBOL(debug_register_mode); - -/* - * debug_register: - * - creates and initializes debug area for the caller - * - returns handle for debug area - */ - -debug_info_t *debug_register(const char *name, int pages_per_area, - int nr_areas, int buf_size) -{ - return debug_register_mode(name, pages_per_area, nr_areas, buf_size, - S_IRUSR | S_IWUSR, 0, 0); -} - -/* - * debug_unregister: - * - give back debug area - */ - -void -debug_unregister(debug_info_t * id) -{ - if (!id) - goto out; - mutex_lock(&debug_mutex); - debug_info_put(id); - mutex_unlock(&debug_mutex); - -out: - return; -} - -/* - * debug_set_size: - * - set area size (number of pages) and number of areas - */ -static int -debug_set_size(debug_info_t* id, int nr_areas, int pages_per_area) -{ - unsigned long flags; - debug_entry_t *** new_areas; - int rc=0; - - if(!id || (nr_areas <= 0) || (pages_per_area < 0)) - return -EINVAL; - if(pages_per_area > 0){ - new_areas = debug_areas_alloc(pages_per_area, nr_areas); - if(!new_areas) { - pr_info("Allocating memory for %i pages failed\n", - pages_per_area); - rc = -ENOMEM; - goto out; - } - } else { - new_areas = NULL; - } - spin_lock_irqsave(&id->lock,flags); - debug_areas_free(id); - id->areas = new_areas; - id->nr_areas = nr_areas; - id->pages_per_area = pages_per_area; - id->active_area = 0; - memset(id->active_entries,0,sizeof(int)*id->nr_areas); - memset(id->active_pages, 0, sizeof(int)*id->nr_areas); - spin_unlock_irqrestore(&id->lock,flags); - pr_info("%s: set new size (%i pages)\n" ,id->name, pages_per_area); -out: - return rc; -} - -/* - * debug_set_level: - * - set actual debug level - */ - -void -debug_set_level(debug_info_t* id, int new_level) -{ - unsigned long flags; - if(!id) - return; - spin_lock_irqsave(&id->lock,flags); - if(new_level == DEBUG_OFF_LEVEL){ - id->level = DEBUG_OFF_LEVEL; - pr_info("%s: switched off\n",id->name); - } else if ((new_level > DEBUG_MAX_LEVEL) || (new_level < 0)) { - pr_info("%s: level %i is out of range (%i - %i)\n", - id->name, new_level, 0, DEBUG_MAX_LEVEL); - } else { - id->level = new_level; - } - spin_unlock_irqrestore(&id->lock,flags); -} - - -/* - * proceed_active_entry: - * - set active entry to next in the ring buffer - */ - -static inline void -proceed_active_entry(debug_info_t * id) -{ - if ((id->active_entries[id->active_area] += id->entry_size) - > (PAGE_SIZE - id->entry_size)){ - id->active_entries[id->active_area] = 0; - id->active_pages[id->active_area] = - (id->active_pages[id->active_area] + 1) % - id->pages_per_area; - } -} - -/* - * proceed_active_area: - * - set active area to next in the ring buffer - */ - -static inline void -proceed_active_area(debug_info_t * id) -{ - id->active_area++; - id->active_area = id->active_area % id->nr_areas; -} - -/* - * get_active_entry: - */ - -static inline debug_entry_t* -get_active_entry(debug_info_t * id) -{ - return (debug_entry_t *) (((char *) id->areas[id->active_area] - [id->active_pages[id->active_area]]) + - id->active_entries[id->active_area]); -} - -/* - * debug_finish_entry: - * - set timestamp, caller address, cpu number etc. - */ - -static inline void -debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level, - int exception) -{ - active->id.stck = get_clock(); - active->id.fields.cpuid = smp_processor_id(); - active->caller = __builtin_return_address(0); - active->id.fields.exception = exception; - active->id.fields.level = level; - proceed_active_entry(id); - if(exception) - proceed_active_area(id); -} - -static int debug_stoppable=1; -static int debug_active=1; - -#define CTL_S390DBF_STOPPABLE 5678 -#define CTL_S390DBF_ACTIVE 5679 - -/* - * proc handler for the running debug_active sysctl - * always allow read, allow write only if debug_stoppable is set or - * if debug_active is already off - */ -static int -s390dbf_procactive(ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - if (!write || debug_stoppable || !debug_active) - return proc_dointvec(table, write, buffer, lenp, ppos); - else - return 0; -} - - -static struct ctl_table s390dbf_table[] = { - { - .procname = "debug_stoppable", - .data = &debug_stoppable, - .maxlen = sizeof(int), - .mode = S_IRUGO | S_IWUSR, - .proc_handler = proc_dointvec, - }, - { - .procname = "debug_active", - .data = &debug_active, - .maxlen = sizeof(int), - .mode = S_IRUGO | S_IWUSR, - .proc_handler = s390dbf_procactive, - }, - { } -}; - -static struct ctl_table s390dbf_dir_table[] = { - { - .procname = "s390dbf", - .maxlen = 0, - .mode = S_IRUGO | S_IXUGO, - .child = s390dbf_table, - }, - { } -}; - -static struct ctl_table_header *s390dbf_sysctl_header; - -void -debug_stop_all(void) -{ - if (debug_stoppable) - debug_active = 0; -} - - -void debug_set_critical(void) -{ - debug_critical = 1; -} - -/* - * debug_event_common: - * - write debug entry with given size - */ - -debug_entry_t* -debug_event_common(debug_info_t * id, int level, const void *buf, int len) -{ - unsigned long flags; - debug_entry_t *active; - - if (!debug_active || !id->areas) - return NULL; - if (debug_critical) { - if (!spin_trylock_irqsave(&id->lock, flags)) - return NULL; - } else - spin_lock_irqsave(&id->lock, flags); - active = get_active_entry(id); - memset(DEBUG_DATA(active), 0, id->buf_size); - memcpy(DEBUG_DATA(active), buf, min(len, id->buf_size)); - debug_finish_entry(id, active, level, 0); - spin_unlock_irqrestore(&id->lock, flags); - - return active; -} - -/* - * debug_exception_common: - * - write debug entry with given size and switch to next debug area - */ - -debug_entry_t -*debug_exception_common(debug_info_t * id, int level, const void *buf, int len) -{ - unsigned long flags; - debug_entry_t *active; - - if (!debug_active || !id->areas) - return NULL; - if (debug_critical) { - if (!spin_trylock_irqsave(&id->lock, flags)) - return NULL; - } else - spin_lock_irqsave(&id->lock, flags); - active = get_active_entry(id); - memset(DEBUG_DATA(active), 0, id->buf_size); - memcpy(DEBUG_DATA(active), buf, min(len, id->buf_size)); - debug_finish_entry(id, active, level, 1); - spin_unlock_irqrestore(&id->lock, flags); - - return active; -} - -/* - * counts arguments in format string for sprintf view - */ - -static inline int -debug_count_numargs(char *string) -{ - int numargs=0; - - while(*string) { - if(*string++=='%') - numargs++; - } - return(numargs); -} - -/* - * debug_sprintf_event: - */ - -debug_entry_t* -debug_sprintf_event(debug_info_t* id, int level,char *string,...) -{ - va_list ap; - int numargs,idx; - unsigned long flags; - debug_sprintf_entry_t *curr_event; - debug_entry_t *active; - - if((!id) || (level > id->level)) - return NULL; - if (!debug_active || !id->areas) - return NULL; - numargs=debug_count_numargs(string); - - if (debug_critical) { - if (!spin_trylock_irqsave(&id->lock, flags)) - return NULL; - } else - spin_lock_irqsave(&id->lock, flags); - active = get_active_entry(id); - curr_event=(debug_sprintf_entry_t *) DEBUG_DATA(active); - va_start(ap,string); - curr_event->string=string; - for(idx=0;idx<min(numargs,(int)(id->buf_size / sizeof(long))-1);idx++) - curr_event->args[idx]=va_arg(ap,long); - va_end(ap); - debug_finish_entry(id, active, level, 0); - spin_unlock_irqrestore(&id->lock, flags); - - return active; -} - -/* - * debug_sprintf_exception: - */ - -debug_entry_t* -debug_sprintf_exception(debug_info_t* id, int level,char *string,...) -{ - va_list ap; - int numargs,idx; - unsigned long flags; - debug_sprintf_entry_t *curr_event; - debug_entry_t *active; - - if((!id) || (level > id->level)) - return NULL; - if (!debug_active || !id->areas) - return NULL; - - numargs=debug_count_numargs(string); - - if (debug_critical) { - if (!spin_trylock_irqsave(&id->lock, flags)) - return NULL; - } else - spin_lock_irqsave(&id->lock, flags); - active = get_active_entry(id); - curr_event=(debug_sprintf_entry_t *)DEBUG_DATA(active); - va_start(ap,string); - curr_event->string=string; - for(idx=0;idx<min(numargs,(int)(id->buf_size / sizeof(long))-1);idx++) - curr_event->args[idx]=va_arg(ap,long); - va_end(ap); - debug_finish_entry(id, active, level, 1); - spin_unlock_irqrestore(&id->lock, flags); - - return active; -} - -/* - * debug_init: - * - is called exactly once to initialize the debug feature - */ - -static int -__init debug_init(void) -{ - int rc = 0; - - s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); - mutex_lock(&debug_mutex); - debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL); - initialized = 1; - mutex_unlock(&debug_mutex); - - return rc; -} - -/* - * debug_register_view: - */ - -int -debug_register_view(debug_info_t * id, struct debug_view *view) -{ - int rc = 0; - int i; - unsigned long flags; - umode_t mode; - struct dentry *pde; - - if (!id) - goto out; - mode = (id->mode | S_IFREG) & ~S_IXUGO; - if (!(view->prolog_proc || view->format_proc || view->header_proc)) - mode &= ~(S_IRUSR | S_IRGRP | S_IROTH); - if (!view->input_proc) - mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); - pde = debugfs_create_file(view->name, mode, id->debugfs_root_entry, - id , &debug_file_ops); - if (!pde){ - pr_err("Registering view %s/%s failed due to out of " - "memory\n", id->name,view->name); - rc = -1; - goto out; - } - spin_lock_irqsave(&id->lock, flags); - for (i = 0; i < DEBUG_MAX_VIEWS; i++) { - if (!id->views[i]) - break; - } - if (i == DEBUG_MAX_VIEWS) { - pr_err("Registering view %s/%s would exceed the maximum " - "number of views %i\n", id->name, view->name, i); - debugfs_remove(pde); - rc = -1; - } else { - id->views[i] = view; - id->debugfs_entries[i] = pde; - } - spin_unlock_irqrestore(&id->lock, flags); -out: - return rc; -} - -/* - * debug_unregister_view: - */ - -int -debug_unregister_view(debug_info_t * id, struct debug_view *view) -{ - int rc = 0; - int i; - unsigned long flags; - - if (!id) - goto out; - spin_lock_irqsave(&id->lock, flags); - for (i = 0; i < DEBUG_MAX_VIEWS; i++) { - if (id->views[i] == view) - break; - } - if (i == DEBUG_MAX_VIEWS) - rc = -1; - else { - debugfs_remove(id->debugfs_entries[i]); - id->views[i] = NULL; - } - spin_unlock_irqrestore(&id->lock, flags); -out: - return rc; -} - -static inline char * -debug_get_user_string(const char __user *user_buf, size_t user_len) -{ - char* buffer; - - buffer = kmalloc(user_len + 1, GFP_KERNEL); - if (!buffer) - return ERR_PTR(-ENOMEM); - if (copy_from_user(buffer, user_buf, user_len) != 0) { - kfree(buffer); - return ERR_PTR(-EFAULT); - } - /* got the string, now strip linefeed. */ - if (buffer[user_len - 1] == '\n') - buffer[user_len - 1] = 0; - else - buffer[user_len] = 0; - return buffer; -} - -static inline int -debug_get_uint(char *buf) -{ - int rc; - - buf = skip_spaces(buf); - rc = simple_strtoul(buf, &buf, 10); - if(*buf){ - rc = -EINVAL; - } - return rc; -} - -/* - * functions for debug-views - *********************************** -*/ - -/* - * prints out actual debug level - */ - -static int -debug_prolog_pages_fn(debug_info_t * id, - struct debug_view *view, char *out_buf) -{ - return sprintf(out_buf, "%i\n", id->pages_per_area); -} - -/* - * reads new size (number of pages per debug area) - */ - -static int -debug_input_pages_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_len, loff_t * offset) -{ - char *str; - int rc,new_pages; - - if (user_len > 0x10000) - user_len = 0x10000; - if (*offset != 0){ - rc = -EPIPE; - goto out; - } - str = debug_get_user_string(user_buf,user_len); - if(IS_ERR(str)){ - rc = PTR_ERR(str); - goto out; - } - new_pages = debug_get_uint(str); - if(new_pages < 0){ - rc = -EINVAL; - goto free_str; - } - rc = debug_set_size(id,id->nr_areas, new_pages); - if(rc != 0){ - rc = -EINVAL; - goto free_str; - } - rc = user_len; -free_str: - kfree(str); -out: - *offset += user_len; - return rc; /* number of input characters */ -} - -/* - * prints out actual debug level - */ - -static int -debug_prolog_level_fn(debug_info_t * id, struct debug_view *view, char *out_buf) -{ - int rc = 0; - - if(id->level == DEBUG_OFF_LEVEL) { - rc = sprintf(out_buf,"-\n"); - } - else { - rc = sprintf(out_buf, "%i\n", id->level); - } - return rc; -} - -/* - * reads new debug level - */ - -static int -debug_input_level_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_len, loff_t * offset) -{ - char *str; - int rc,new_level; - - if (user_len > 0x10000) - user_len = 0x10000; - if (*offset != 0){ - rc = -EPIPE; - goto out; - } - str = debug_get_user_string(user_buf,user_len); - if(IS_ERR(str)){ - rc = PTR_ERR(str); - goto out; - } - if(str[0] == '-'){ - debug_set_level(id, DEBUG_OFF_LEVEL); - rc = user_len; - goto free_str; - } else { - new_level = debug_get_uint(str); - } - if(new_level < 0) { - pr_warning("%s is not a valid level for a debug " - "feature\n", str); - rc = -EINVAL; - } else { - debug_set_level(id, new_level); - rc = user_len; - } -free_str: - kfree(str); -out: - *offset += user_len; - return rc; /* number of input characters */ -} - - -/* - * flushes debug areas - */ - -static void debug_flush(debug_info_t* id, int area) -{ - unsigned long flags; - int i,j; - - if(!id || !id->areas) - return; - spin_lock_irqsave(&id->lock,flags); - if(area == DEBUG_FLUSH_ALL){ - id->active_area = 0; - memset(id->active_entries, 0, id->nr_areas * sizeof(int)); - for (i = 0; i < id->nr_areas; i++) { - id->active_pages[i] = 0; - for(j = 0; j < id->pages_per_area; j++) { - memset(id->areas[i][j], 0, PAGE_SIZE); - } - } - } else if(area >= 0 && area < id->nr_areas) { - id->active_entries[area] = 0; - id->active_pages[area] = 0; - for(i = 0; i < id->pages_per_area; i++) { - memset(id->areas[area][i],0,PAGE_SIZE); - } - } - spin_unlock_irqrestore(&id->lock,flags); -} - -/* - * view function: flushes debug areas - */ - -static int -debug_input_flush_fn(debug_info_t * id, struct debug_view *view, - struct file *file, const char __user *user_buf, - size_t user_len, loff_t * offset) -{ - char input_buf[1]; - int rc = user_len; - - if (user_len > 0x10000) - user_len = 0x10000; - if (*offset != 0){ - rc = -EPIPE; - goto out; - } - if (copy_from_user(input_buf, user_buf, 1)){ - rc = -EFAULT; - goto out; - } - if(input_buf[0] == '-') { - debug_flush(id, DEBUG_FLUSH_ALL); - goto out; - } - if (isdigit(input_buf[0])) { - int area = ((int) input_buf[0] - (int) '0'); - debug_flush(id, area); - goto out; - } - - pr_info("Flushing debug data failed because %c is not a valid " - "area\n", input_buf[0]); - -out: - *offset += user_len; - return rc; /* number of input characters */ -} - -/* - * prints debug header in raw format - */ - -static int -debug_raw_header_fn(debug_info_t * id, struct debug_view *view, - int area, debug_entry_t * entry, char *out_buf) -{ - int rc; - - rc = sizeof(debug_entry_t); - memcpy(out_buf,entry,sizeof(debug_entry_t)); - return rc; -} - -/* - * prints debug data in raw format - */ - -static int -debug_raw_format_fn(debug_info_t * id, struct debug_view *view, - char *out_buf, const char *in_buf) -{ - int rc; - - rc = id->buf_size; - memcpy(out_buf, in_buf, id->buf_size); - return rc; -} - -/* - * prints debug data in hex/ascii format - */ - -static int -debug_hex_ascii_format_fn(debug_info_t * id, struct debug_view *view, - char *out_buf, const char *in_buf) -{ - int i, rc = 0; - - for (i = 0; i < id->buf_size; i++) { - rc += sprintf(out_buf + rc, "%02x ", - ((unsigned char *) in_buf)[i]); - } - rc += sprintf(out_buf + rc, "| "); - for (i = 0; i < id->buf_size; i++) { - unsigned char c = in_buf[i]; - if (isascii(c) && isprint(c)) - rc += sprintf(out_buf + rc, "%c", c); - else - rc += sprintf(out_buf + rc, "."); - } - rc += sprintf(out_buf + rc, "\n"); - return rc; -} - -/* - * prints header for debug entry - */ - -int -debug_dflt_header_fn(debug_info_t * id, struct debug_view *view, - int area, debug_entry_t * entry, char *out_buf) -{ - struct timespec time_spec; - char *except_str; - unsigned long caller; - int rc = 0; - unsigned int level; - - level = entry->id.fields.level; - stck_to_timespec(entry->id.stck, &time_spec); - - if (entry->id.fields.exception) - except_str = "*"; - else - except_str = "-"; - caller = ((unsigned long) entry->caller) & PSW_ADDR_INSN; - rc += sprintf(out_buf, "%02i %011lu:%06lu %1u %1s %02i %p ", - area, time_spec.tv_sec, time_spec.tv_nsec / 1000, level, - except_str, entry->id.fields.cpuid, (void *) caller); - return rc; -} - -/* - * prints debug data sprintf-formated: - * debug_sprinf_event/exception calls must be used together with this view - */ - -#define DEBUG_SPRINTF_MAX_ARGS 10 - -static int -debug_sprintf_format_fn(debug_info_t * id, struct debug_view *view, - char *out_buf, debug_sprintf_entry_t *curr_event) -{ - int num_longs, num_used_args = 0,i, rc = 0; - int index[DEBUG_SPRINTF_MAX_ARGS]; - - /* count of longs fit into one entry */ - num_longs = id->buf_size / sizeof(long); - - if(num_longs < 1) - goto out; /* bufsize of entry too small */ - if(num_longs == 1) { - /* no args, we use only the string */ - strcpy(out_buf, curr_event->string); - rc = strlen(curr_event->string); - goto out; - } - - /* number of arguments used for sprintf (without the format string) */ - num_used_args = min(DEBUG_SPRINTF_MAX_ARGS, (num_longs - 1)); - - memset(index,0, DEBUG_SPRINTF_MAX_ARGS * sizeof(int)); - - for(i = 0; i < num_used_args; i++) - index[i] = i; - - rc = sprintf(out_buf, curr_event->string, curr_event->args[index[0]], - curr_event->args[index[1]], curr_event->args[index[2]], - curr_event->args[index[3]], curr_event->args[index[4]], - curr_event->args[index[5]], curr_event->args[index[6]], - curr_event->args[index[7]], curr_event->args[index[8]], - curr_event->args[index[9]]); - -out: - - return rc; -} - -/* - * clean up module - */ -static void __exit debug_exit(void) -{ - debugfs_remove(debug_debugfs_root_entry); - unregister_sysctl_table(s390dbf_sysctl_header); - return; -} - -/* - * module definitions - */ -postcore_initcall(debug_init); -module_exit(debug_exit); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(debug_register); -EXPORT_SYMBOL(debug_unregister); -EXPORT_SYMBOL(debug_set_level); -EXPORT_SYMBOL(debug_stop_all); -EXPORT_SYMBOL(debug_register_view); -EXPORT_SYMBOL(debug_unregister_view); -EXPORT_SYMBOL(debug_event_common); -EXPORT_SYMBOL(debug_exception_common); -EXPORT_SYMBOL(debug_hex_ascii_view); -EXPORT_SYMBOL(debug_raw_view); -EXPORT_SYMBOL(debug_dflt_header_fn); -EXPORT_SYMBOL(debug_sprintf_view); -EXPORT_SYMBOL(debug_sprintf_exception); -EXPORT_SYMBOL(debug_sprintf_event); diff --git a/ANDROID_3.4.5/arch/s390/kernel/diag.c b/ANDROID_3.4.5/arch/s390/kernel/diag.c deleted file mode 100644 index 8237fc07..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/diag.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Implementation of s390 diagnose codes - * - * Copyright IBM Corp. 2007 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#include <linux/module.h> -#include <asm/diag.h> - -/* - * Diagnose 14: Input spool file manipulation - */ -int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode) -{ - register unsigned long _ry1 asm("2") = ry1; - register unsigned long _ry2 asm("3") = subcode; - int rc = 0; - - asm volatile( -#ifdef CONFIG_64BIT - " sam31\n" - " diag %2,2,0x14\n" - " sam64\n" -#else - " diag %2,2,0x14\n" -#endif - " ipm %0\n" - " srl %0,28\n" - : "=d" (rc), "+d" (_ry2) - : "d" (rx), "d" (_ry1) - : "cc"); - - return rc; -} -EXPORT_SYMBOL(diag14); - -/* - * Diagnose 210: Get information about a virtual device - */ -int diag210(struct diag210 *addr) -{ - /* - * diag 210 needs its data below the 2GB border, so we - * use a static data area to be sure - */ - static struct diag210 diag210_tmp; - static DEFINE_SPINLOCK(diag210_lock); - unsigned long flags; - int ccode; - - spin_lock_irqsave(&diag210_lock, flags); - diag210_tmp = *addr; - -#ifdef CONFIG_64BIT - asm volatile( - " lhi %0,-1\n" - " sam31\n" - " diag %1,0,0x210\n" - "0: ipm %0\n" - " srl %0,28\n" - "1: sam64\n" - EX_TABLE(0b, 1b) - : "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory"); -#else - asm volatile( - " lhi %0,-1\n" - " diag %1,0,0x210\n" - "0: ipm %0\n" - " srl %0,28\n" - "1:\n" - EX_TABLE(0b, 1b) - : "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory"); -#endif - - *addr = diag210_tmp; - spin_unlock_irqrestore(&diag210_lock, flags); - - return ccode; -} -EXPORT_SYMBOL(diag210); diff --git a/ANDROID_3.4.5/arch/s390/kernel/dis.c b/ANDROID_3.4.5/arch/s390/kernel/dis.c deleted file mode 100644 index 3221c6fc..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/dis.c +++ /dev/null @@ -1,1604 +0,0 @@ -/* - * arch/s390/kernel/dis.c - * - * Disassemble s390 instructions. - * - * Copyright IBM Corp. 2007 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ptrace.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/kallsyms.h> -#include <linux/reboot.h> -#include <linux/kprobes.h> -#include <linux/kdebug.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <linux/atomic.h> -#include <asm/mathemu.h> -#include <asm/cpcmd.h> -#include <asm/lowcore.h> -#include <asm/debug.h> -#include <asm/irq.h> - -#ifndef CONFIG_64BIT -#define ONELONG "%08lx: " -#else /* CONFIG_64BIT */ -#define ONELONG "%016lx: " -#endif /* CONFIG_64BIT */ - -#define OPERAND_GPR 0x1 /* Operand printed as %rx */ -#define OPERAND_FPR 0x2 /* Operand printed as %fx */ -#define OPERAND_AR 0x4 /* Operand printed as %ax */ -#define OPERAND_CR 0x8 /* Operand printed as %cx */ -#define OPERAND_DISP 0x10 /* Operand printed as displacement */ -#define OPERAND_BASE 0x20 /* Operand printed as base register */ -#define OPERAND_INDEX 0x40 /* Operand printed as index register */ -#define OPERAND_PCREL 0x80 /* Operand printed as pc-relative symbol */ -#define OPERAND_SIGNED 0x100 /* Operand printed as signed value */ -#define OPERAND_LENGTH 0x200 /* Operand printed as length (+1) */ - -enum { - UNUSED, /* Indicates the end of the operand list */ - R_8, /* GPR starting at position 8 */ - R_12, /* GPR starting at position 12 */ - R_16, /* GPR starting at position 16 */ - R_20, /* GPR starting at position 20 */ - R_24, /* GPR starting at position 24 */ - R_28, /* GPR starting at position 28 */ - R_32, /* GPR starting at position 32 */ - F_8, /* FPR starting at position 8 */ - F_12, /* FPR starting at position 12 */ - F_16, /* FPR starting at position 16 */ - F_20, /* FPR starting at position 16 */ - F_24, /* FPR starting at position 24 */ - F_28, /* FPR starting at position 28 */ - F_32, /* FPR starting at position 32 */ - A_8, /* Access reg. starting at position 8 */ - A_12, /* Access reg. starting at position 12 */ - A_24, /* Access reg. starting at position 24 */ - A_28, /* Access reg. starting at position 28 */ - C_8, /* Control reg. starting at position 8 */ - C_12, /* Control reg. starting at position 12 */ - B_16, /* Base register starting at position 16 */ - B_32, /* Base register starting at position 32 */ - X_12, /* Index register starting at position 12 */ - D_20, /* Displacement starting at position 20 */ - D_36, /* Displacement starting at position 36 */ - D20_20, /* 20 bit displacement starting at 20 */ - L4_8, /* 4 bit length starting at position 8 */ - L4_12, /* 4 bit length starting at position 12 */ - L8_8, /* 8 bit length starting at position 8 */ - U4_8, /* 4 bit unsigned value starting at 8 */ - U4_12, /* 4 bit unsigned value starting at 12 */ - U4_16, /* 4 bit unsigned value starting at 16 */ - U4_20, /* 4 bit unsigned value starting at 20 */ - U4_32, /* 4 bit unsigned value starting at 32 */ - U8_8, /* 8 bit unsigned value starting at 8 */ - U8_16, /* 8 bit unsigned value starting at 16 */ - U8_24, /* 8 bit unsigned value starting at 24 */ - U8_32, /* 8 bit unsigned value starting at 32 */ - I8_8, /* 8 bit signed value starting at 8 */ - I8_32, /* 8 bit signed value starting at 32 */ - I16_16, /* 16 bit signed value starting at 16 */ - I16_32, /* 32 bit signed value starting at 16 */ - U16_16, /* 16 bit unsigned value starting at 16 */ - U16_32, /* 32 bit unsigned value starting at 16 */ - J16_16, /* PC relative jump offset at 16 */ - J32_16, /* PC relative long offset at 16 */ - I32_16, /* 32 bit signed value starting at 16 */ - U32_16, /* 32 bit unsigned value starting at 16 */ - M_16, /* 4 bit optional mask starting at 16 */ - RO_28, /* optional GPR starting at position 28 */ -}; - -/* - * Enumeration of the different instruction formats. - * For details consult the principles of operation. - */ -enum { - INSTR_INVALID, - INSTR_E, - INSTR_RIE_R0IU, INSTR_RIE_R0UU, INSTR_RIE_RRP, INSTR_RIE_RRPU, - INSTR_RIE_RRUUU, INSTR_RIE_RUPI, INSTR_RIE_RUPU, INSTR_RIE_RRI0, - INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU, INSTR_RIL_UP, - INSTR_RIS_R0RDU, INSTR_RIS_R0UU, INSTR_RIS_RURDI, INSTR_RIS_RURDU, - INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP, - INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0, - INSTR_RRE_FF, INSTR_RRE_FR, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF, - INSTR_RRE_RR, INSTR_RRE_RR_OPT, - INSTR_RRF_0UFF, INSTR_RRF_F0FF, INSTR_RRF_F0FF2, INSTR_RRF_F0FR, - INSTR_RRF_FFRU, INSTR_RRF_FUFF, INSTR_RRF_M0RR, INSTR_RRF_R0RR, - INSTR_RRF_R0RR2, INSTR_RRF_RURR, INSTR_RRF_U0FF, INSTR_RRF_U0RF, - INSTR_RRF_U0RR, INSTR_RRF_UUFF, INSTR_RRR_F0FF, INSTR_RRS_RRRDU, - INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR, - INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD, - INSTR_RSI_RRP, - INSTR_RSL_R0RD, - INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD, INSTR_RSY_RURD, - INSTR_RSY_RDRM, - INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD, - INSTR_RS_RURD, - INSTR_RXE_FRRD, INSTR_RXE_RRRD, - INSTR_RXF_FRRDF, - INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD, - INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD, - INSTR_SIL_RDI, INSTR_SIL_RDU, - INSTR_SIY_IRD, INSTR_SIY_URD, - INSTR_SI_URD, - INSTR_SSE_RDRD, - INSTR_SSF_RRDRD, INSTR_SSF_RRDRD2, - INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD, - INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3, - INSTR_S_00, INSTR_S_RD, -}; - -struct operand { - int bits; /* The number of bits in the operand. */ - int shift; /* The number of bits to shift. */ - int flags; /* One bit syntax flags. */ -}; - -struct insn { - const char name[5]; - unsigned char opfrag; - unsigned char format; -}; - -static const struct operand operands[] = -{ - [UNUSED] = { 0, 0, 0 }, - [R_8] = { 4, 8, OPERAND_GPR }, - [R_12] = { 4, 12, OPERAND_GPR }, - [R_16] = { 4, 16, OPERAND_GPR }, - [R_20] = { 4, 20, OPERAND_GPR }, - [R_24] = { 4, 24, OPERAND_GPR }, - [R_28] = { 4, 28, OPERAND_GPR }, - [R_32] = { 4, 32, OPERAND_GPR }, - [F_8] = { 4, 8, OPERAND_FPR }, - [F_12] = { 4, 12, OPERAND_FPR }, - [F_16] = { 4, 16, OPERAND_FPR }, - [F_20] = { 4, 16, OPERAND_FPR }, - [F_24] = { 4, 24, OPERAND_FPR }, - [F_28] = { 4, 28, OPERAND_FPR }, - [F_32] = { 4, 32, OPERAND_FPR }, - [A_8] = { 4, 8, OPERAND_AR }, - [A_12] = { 4, 12, OPERAND_AR }, - [A_24] = { 4, 24, OPERAND_AR }, - [A_28] = { 4, 28, OPERAND_AR }, - [C_8] = { 4, 8, OPERAND_CR }, - [C_12] = { 4, 12, OPERAND_CR }, - [B_16] = { 4, 16, OPERAND_BASE | OPERAND_GPR }, - [B_32] = { 4, 32, OPERAND_BASE | OPERAND_GPR }, - [X_12] = { 4, 12, OPERAND_INDEX | OPERAND_GPR }, - [D_20] = { 12, 20, OPERAND_DISP }, - [D_36] = { 12, 36, OPERAND_DISP }, - [D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED }, - [L4_8] = { 4, 8, OPERAND_LENGTH }, - [L4_12] = { 4, 12, OPERAND_LENGTH }, - [L8_8] = { 8, 8, OPERAND_LENGTH }, - [U4_8] = { 4, 8, 0 }, - [U4_12] = { 4, 12, 0 }, - [U4_16] = { 4, 16, 0 }, - [U4_20] = { 4, 20, 0 }, - [U4_32] = { 4, 32, 0 }, - [U8_8] = { 8, 8, 0 }, - [U8_16] = { 8, 16, 0 }, - [U8_24] = { 8, 24, 0 }, - [U8_32] = { 8, 32, 0 }, - [I16_16] = { 16, 16, OPERAND_SIGNED }, - [U16_16] = { 16, 16, 0 }, - [U16_32] = { 16, 32, 0 }, - [J16_16] = { 16, 16, OPERAND_PCREL }, - [I16_32] = { 16, 32, OPERAND_SIGNED }, - [J32_16] = { 32, 16, OPERAND_PCREL }, - [I32_16] = { 32, 16, OPERAND_SIGNED }, - [U32_16] = { 32, 16, 0 }, - [M_16] = { 4, 16, 0 }, - [RO_28] = { 4, 28, OPERAND_GPR } -}; - -static const unsigned char formats[][7] = { - [INSTR_E] = { 0xff, 0,0,0,0,0,0 }, - [INSTR_RIE_R0UU] = { 0xff, R_8,U16_16,U4_32,0,0,0 }, - [INSTR_RIE_RRPU] = { 0xff, R_8,R_12,U4_32,J16_16,0,0 }, - [INSTR_RIE_RRP] = { 0xff, R_8,R_12,J16_16,0,0,0 }, - [INSTR_RIE_RRUUU] = { 0xff, R_8,R_12,U8_16,U8_24,U8_32,0 }, - [INSTR_RIE_RUPI] = { 0xff, R_8,I8_32,U4_12,J16_16,0,0 }, - [INSTR_RIE_RRI0] = { 0xff, R_8,R_12,I16_16,0,0,0 }, - [INSTR_RIL_RI] = { 0x0f, R_8,I32_16,0,0,0,0 }, - [INSTR_RIL_RP] = { 0x0f, R_8,J32_16,0,0,0,0 }, - [INSTR_RIL_RU] = { 0x0f, R_8,U32_16,0,0,0,0 }, - [INSTR_RIL_UP] = { 0x0f, U4_8,J32_16,0,0,0,0 }, - [INSTR_RIS_R0RDU] = { 0xff, R_8,U8_32,D_20,B_16,0,0 }, - [INSTR_RIS_RURDI] = { 0xff, R_8,I8_32,U4_12,D_20,B_16,0 }, - [INSTR_RIS_RURDU] = { 0xff, R_8,U8_32,U4_12,D_20,B_16,0 }, - [INSTR_RI_RI] = { 0x0f, R_8,I16_16,0,0,0,0 }, - [INSTR_RI_RP] = { 0x0f, R_8,J16_16,0,0,0,0 }, - [INSTR_RI_RU] = { 0x0f, R_8,U16_16,0,0,0,0 }, - [INSTR_RI_UP] = { 0x0f, U4_8,J16_16,0,0,0,0 }, - [INSTR_RRE_00] = { 0xff, 0,0,0,0,0,0 }, - [INSTR_RRE_0R] = { 0xff, R_28,0,0,0,0,0 }, - [INSTR_RRE_AA] = { 0xff, A_24,A_28,0,0,0,0 }, - [INSTR_RRE_AR] = { 0xff, A_24,R_28,0,0,0,0 }, - [INSTR_RRE_F0] = { 0xff, F_24,0,0,0,0,0 }, - [INSTR_RRE_FF] = { 0xff, F_24,F_28,0,0,0,0 }, - [INSTR_RRE_FR] = { 0xff, F_24,R_28,0,0,0,0 }, - [INSTR_RRE_R0] = { 0xff, R_24,0,0,0,0,0 }, - [INSTR_RRE_RA] = { 0xff, R_24,A_28,0,0,0,0 }, - [INSTR_RRE_RF] = { 0xff, R_24,F_28,0,0,0,0 }, - [INSTR_RRE_RR] = { 0xff, R_24,R_28,0,0,0,0 }, - [INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 }, - [INSTR_RRF_0UFF] = { 0xff, F_24,F_28,U4_20,0,0,0 }, - [INSTR_RRF_F0FF2] = { 0xff, F_24,F_16,F_28,0,0,0 }, - [INSTR_RRF_F0FF] = { 0xff, F_16,F_24,F_28,0,0,0 }, - [INSTR_RRF_F0FR] = { 0xff, F_24,F_16,R_28,0,0,0 }, - [INSTR_RRF_FFRU] = { 0xff, F_24,F_16,R_28,U4_20,0,0 }, - [INSTR_RRF_FUFF] = { 0xff, F_24,F_16,F_28,U4_20,0,0 }, - [INSTR_RRF_M0RR] = { 0xff, R_24,R_28,M_16,0,0,0 }, - [INSTR_RRF_R0RR] = { 0xff, R_24,R_16,R_28,0,0,0 }, - [INSTR_RRF_R0RR2] = { 0xff, R_24,R_28,R_16,0,0,0 }, - [INSTR_RRF_RURR] = { 0xff, R_24,R_28,R_16,U4_20,0,0 }, - [INSTR_RRF_U0FF] = { 0xff, F_24,U4_16,F_28,0,0,0 }, - [INSTR_RRF_U0RF] = { 0xff, R_24,U4_16,F_28,0,0,0 }, - [INSTR_RRF_U0RR] = { 0xff, R_24,R_28,U4_16,0,0,0 }, - [INSTR_RRF_UUFF] = { 0xff, F_24,U4_16,F_28,U4_20,0,0 }, - [INSTR_RRR_F0FF] = { 0xff, F_24,F_28,F_16,0,0,0 }, - [INSTR_RRS_RRRDU] = { 0xff, R_8,R_12,U4_32,D_20,B_16,0 }, - [INSTR_RR_FF] = { 0xff, F_8,F_12,0,0,0,0 }, - [INSTR_RR_R0] = { 0xff, R_8, 0,0,0,0,0 }, - [INSTR_RR_RR] = { 0xff, R_8,R_12,0,0,0,0 }, - [INSTR_RR_U0] = { 0xff, U8_8, 0,0,0,0,0 }, - [INSTR_RR_UR] = { 0xff, U4_8,R_12,0,0,0,0 }, - [INSTR_RSE_CCRD] = { 0xff, C_8,C_12,D_20,B_16,0,0 }, - [INSTR_RSE_RRRD] = { 0xff, R_8,R_12,D_20,B_16,0,0 }, - [INSTR_RSE_RURD] = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, - [INSTR_RSI_RRP] = { 0xff, R_8,R_12,J16_16,0,0,0 }, - [INSTR_RSL_R0RD] = { 0xff, D_20,L4_8,B_16,0,0,0 }, - [INSTR_RSY_AARD] = { 0xff, A_8,A_12,D20_20,B_16,0,0 }, - [INSTR_RSY_CCRD] = { 0xff, C_8,C_12,D20_20,B_16,0,0 }, - [INSTR_RSY_RRRD] = { 0xff, R_8,R_12,D20_20,B_16,0,0 }, - [INSTR_RSY_RURD] = { 0xff, R_8,U4_12,D20_20,B_16,0,0 }, - [INSTR_RSY_RDRM] = { 0xff, R_8,D20_20,B_16,U4_12,0,0 }, - [INSTR_RS_AARD] = { 0xff, A_8,A_12,D_20,B_16,0,0 }, - [INSTR_RS_CCRD] = { 0xff, C_8,C_12,D_20,B_16,0,0 }, - [INSTR_RS_R0RD] = { 0xff, R_8,D_20,B_16,0,0,0 }, - [INSTR_RS_RRRD] = { 0xff, R_8,R_12,D_20,B_16,0,0 }, - [INSTR_RS_RURD] = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, - [INSTR_RXE_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 }, - [INSTR_RXE_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 }, - [INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 }, - [INSTR_RXY_FRRD] = { 0xff, F_8,D20_20,X_12,B_16,0,0 }, - [INSTR_RXY_RRRD] = { 0xff, R_8,D20_20,X_12,B_16,0,0 }, - [INSTR_RXY_URRD] = { 0xff, U4_8,D20_20,X_12,B_16,0,0 }, - [INSTR_RX_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 }, - [INSTR_RX_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 }, - [INSTR_RX_URRD] = { 0xff, U4_8,D_20,X_12,B_16,0,0 }, - [INSTR_SIL_RDI] = { 0xff, D_20,B_16,I16_32,0,0,0 }, - [INSTR_SIL_RDU] = { 0xff, D_20,B_16,U16_32,0,0,0 }, - [INSTR_SIY_IRD] = { 0xff, D20_20,B_16,I8_8,0,0,0 }, - [INSTR_SIY_URD] = { 0xff, D20_20,B_16,U8_8,0,0,0 }, - [INSTR_SI_URD] = { 0xff, D_20,B_16,U8_8,0,0,0 }, - [INSTR_SSE_RDRD] = { 0xff, D_20,B_16,D_36,B_32,0,0 }, - [INSTR_SSF_RRDRD] = { 0x00, D_20,B_16,D_36,B_32,R_8,0 }, - [INSTR_SSF_RRDRD2]= { 0x00, R_8,D_20,B_16,D_36,B_32,0 }, - [INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 }, - [INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 }, - [INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 }, - [INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 }, - [INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 }, - [INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 }, - [INSTR_S_00] = { 0xff, 0,0,0,0,0,0 }, - [INSTR_S_RD] = { 0xff, D_20,B_16,0,0,0,0 }, -}; - -enum { - LONG_INSN_ALGHSIK, - LONG_INSN_ALHSIK, - LONG_INSN_CLFHSI, - LONG_INSN_CLGFRL, - LONG_INSN_CLGHRL, - LONG_INSN_CLGHSI, - LONG_INSN_CLHHSI, - LONG_INSN_LLGFRL, - LONG_INSN_LLGHRL, - LONG_INSN_POPCNT, - LONG_INSN_RISBHG, - LONG_INSN_RISBLG, -}; - -static char *long_insn_name[] = { - [LONG_INSN_ALGHSIK] = "alghsik", - [LONG_INSN_ALHSIK] = "alhsik", - [LONG_INSN_CLFHSI] = "clfhsi", - [LONG_INSN_CLGFRL] = "clgfrl", - [LONG_INSN_CLGHRL] = "clghrl", - [LONG_INSN_CLGHSI] = "clghsi", - [LONG_INSN_CLHHSI] = "clhhsi", - [LONG_INSN_LLGFRL] = "llgfrl", - [LONG_INSN_LLGHRL] = "llghrl", - [LONG_INSN_POPCNT] = "popcnt", - [LONG_INSN_RISBHG] = "risbhg", - [LONG_INSN_RISBLG] = "risblk", -}; - -static struct insn opcode[] = { -#ifdef CONFIG_64BIT - { "lmd", 0xef, INSTR_SS_RRRDRD3 }, -#endif - { "spm", 0x04, INSTR_RR_R0 }, - { "balr", 0x05, INSTR_RR_RR }, - { "bctr", 0x06, INSTR_RR_RR }, - { "bcr", 0x07, INSTR_RR_UR }, - { "svc", 0x0a, INSTR_RR_U0 }, - { "bsm", 0x0b, INSTR_RR_RR }, - { "bassm", 0x0c, INSTR_RR_RR }, - { "basr", 0x0d, INSTR_RR_RR }, - { "mvcl", 0x0e, INSTR_RR_RR }, - { "clcl", 0x0f, INSTR_RR_RR }, - { "lpr", 0x10, INSTR_RR_RR }, - { "lnr", 0x11, INSTR_RR_RR }, - { "ltr", 0x12, INSTR_RR_RR }, - { "lcr", 0x13, INSTR_RR_RR }, - { "nr", 0x14, INSTR_RR_RR }, - { "clr", 0x15, INSTR_RR_RR }, - { "or", 0x16, INSTR_RR_RR }, - { "xr", 0x17, INSTR_RR_RR }, - { "lr", 0x18, INSTR_RR_RR }, - { "cr", 0x19, INSTR_RR_RR }, - { "ar", 0x1a, INSTR_RR_RR }, - { "sr", 0x1b, INSTR_RR_RR }, - { "mr", 0x1c, INSTR_RR_RR }, - { "dr", 0x1d, INSTR_RR_RR }, - { "alr", 0x1e, INSTR_RR_RR }, - { "slr", 0x1f, INSTR_RR_RR }, - { "lpdr", 0x20, INSTR_RR_FF }, - { "lndr", 0x21, INSTR_RR_FF }, - { "ltdr", 0x22, INSTR_RR_FF }, - { "lcdr", 0x23, INSTR_RR_FF }, - { "hdr", 0x24, INSTR_RR_FF }, - { "ldxr", 0x25, INSTR_RR_FF }, - { "lrdr", 0x25, INSTR_RR_FF }, - { "mxr", 0x26, INSTR_RR_FF }, - { "mxdr", 0x27, INSTR_RR_FF }, - { "ldr", 0x28, INSTR_RR_FF }, - { "cdr", 0x29, INSTR_RR_FF }, - { "adr", 0x2a, INSTR_RR_FF }, - { "sdr", 0x2b, INSTR_RR_FF }, - { "mdr", 0x2c, INSTR_RR_FF }, - { "ddr", 0x2d, INSTR_RR_FF }, - { "awr", 0x2e, INSTR_RR_FF }, - { "swr", 0x2f, INSTR_RR_FF }, - { "lper", 0x30, INSTR_RR_FF }, - { "lner", 0x31, INSTR_RR_FF }, - { "lter", 0x32, INSTR_RR_FF }, - { "lcer", 0x33, INSTR_RR_FF }, - { "her", 0x34, INSTR_RR_FF }, - { "ledr", 0x35, INSTR_RR_FF }, - { "lrer", 0x35, INSTR_RR_FF }, - { "axr", 0x36, INSTR_RR_FF }, - { "sxr", 0x37, INSTR_RR_FF }, - { "ler", 0x38, INSTR_RR_FF }, - { "cer", 0x39, INSTR_RR_FF }, - { "aer", 0x3a, INSTR_RR_FF }, - { "ser", 0x3b, INSTR_RR_FF }, - { "mder", 0x3c, INSTR_RR_FF }, - { "mer", 0x3c, INSTR_RR_FF }, - { "der", 0x3d, INSTR_RR_FF }, - { "aur", 0x3e, INSTR_RR_FF }, - { "sur", 0x3f, INSTR_RR_FF }, - { "sth", 0x40, INSTR_RX_RRRD }, - { "la", 0x41, INSTR_RX_RRRD }, - { "stc", 0x42, INSTR_RX_RRRD }, - { "ic", 0x43, INSTR_RX_RRRD }, - { "ex", 0x44, INSTR_RX_RRRD }, - { "bal", 0x45, INSTR_RX_RRRD }, - { "bct", 0x46, INSTR_RX_RRRD }, - { "bc", 0x47, INSTR_RX_URRD }, - { "lh", 0x48, INSTR_RX_RRRD }, - { "ch", 0x49, INSTR_RX_RRRD }, - { "ah", 0x4a, INSTR_RX_RRRD }, - { "sh", 0x4b, INSTR_RX_RRRD }, - { "mh", 0x4c, INSTR_RX_RRRD }, - { "bas", 0x4d, INSTR_RX_RRRD }, - { "cvd", 0x4e, INSTR_RX_RRRD }, - { "cvb", 0x4f, INSTR_RX_RRRD }, - { "st", 0x50, INSTR_RX_RRRD }, - { "lae", 0x51, INSTR_RX_RRRD }, - { "n", 0x54, INSTR_RX_RRRD }, - { "cl", 0x55, INSTR_RX_RRRD }, - { "o", 0x56, INSTR_RX_RRRD }, - { "x", 0x57, INSTR_RX_RRRD }, - { "l", 0x58, INSTR_RX_RRRD }, - { "c", 0x59, INSTR_RX_RRRD }, - { "a", 0x5a, INSTR_RX_RRRD }, - { "s", 0x5b, INSTR_RX_RRRD }, - { "m", 0x5c, INSTR_RX_RRRD }, - { "d", 0x5d, INSTR_RX_RRRD }, - { "al", 0x5e, INSTR_RX_RRRD }, - { "sl", 0x5f, INSTR_RX_RRRD }, - { "std", 0x60, INSTR_RX_FRRD }, - { "mxd", 0x67, INSTR_RX_FRRD }, - { "ld", 0x68, INSTR_RX_FRRD }, - { "cd", 0x69, INSTR_RX_FRRD }, - { "ad", 0x6a, INSTR_RX_FRRD }, - { "sd", 0x6b, INSTR_RX_FRRD }, - { "md", 0x6c, INSTR_RX_FRRD }, - { "dd", 0x6d, INSTR_RX_FRRD }, - { "aw", 0x6e, INSTR_RX_FRRD }, - { "sw", 0x6f, INSTR_RX_FRRD }, - { "ste", 0x70, INSTR_RX_FRRD }, - { "ms", 0x71, INSTR_RX_RRRD }, - { "le", 0x78, INSTR_RX_FRRD }, - { "ce", 0x79, INSTR_RX_FRRD }, - { "ae", 0x7a, INSTR_RX_FRRD }, - { "se", 0x7b, INSTR_RX_FRRD }, - { "mde", 0x7c, INSTR_RX_FRRD }, - { "me", 0x7c, INSTR_RX_FRRD }, - { "de", 0x7d, INSTR_RX_FRRD }, - { "au", 0x7e, INSTR_RX_FRRD }, - { "su", 0x7f, INSTR_RX_FRRD }, - { "ssm", 0x80, INSTR_S_RD }, - { "lpsw", 0x82, INSTR_S_RD }, - { "diag", 0x83, INSTR_RS_RRRD }, - { "brxh", 0x84, INSTR_RSI_RRP }, - { "brxle", 0x85, INSTR_RSI_RRP }, - { "bxh", 0x86, INSTR_RS_RRRD }, - { "bxle", 0x87, INSTR_RS_RRRD }, - { "srl", 0x88, INSTR_RS_R0RD }, - { "sll", 0x89, INSTR_RS_R0RD }, - { "sra", 0x8a, INSTR_RS_R0RD }, - { "sla", 0x8b, INSTR_RS_R0RD }, - { "srdl", 0x8c, INSTR_RS_R0RD }, - { "sldl", 0x8d, INSTR_RS_R0RD }, - { "srda", 0x8e, INSTR_RS_R0RD }, - { "slda", 0x8f, INSTR_RS_R0RD }, - { "stm", 0x90, INSTR_RS_RRRD }, - { "tm", 0x91, INSTR_SI_URD }, - { "mvi", 0x92, INSTR_SI_URD }, - { "ts", 0x93, INSTR_S_RD }, - { "ni", 0x94, INSTR_SI_URD }, - { "cli", 0x95, INSTR_SI_URD }, - { "oi", 0x96, INSTR_SI_URD }, - { "xi", 0x97, INSTR_SI_URD }, - { "lm", 0x98, INSTR_RS_RRRD }, - { "trace", 0x99, INSTR_RS_RRRD }, - { "lam", 0x9a, INSTR_RS_AARD }, - { "stam", 0x9b, INSTR_RS_AARD }, - { "mvcle", 0xa8, INSTR_RS_RRRD }, - { "clcle", 0xa9, INSTR_RS_RRRD }, - { "stnsm", 0xac, INSTR_SI_URD }, - { "stosm", 0xad, INSTR_SI_URD }, - { "sigp", 0xae, INSTR_RS_RRRD }, - { "mc", 0xaf, INSTR_SI_URD }, - { "lra", 0xb1, INSTR_RX_RRRD }, - { "stctl", 0xb6, INSTR_RS_CCRD }, - { "lctl", 0xb7, INSTR_RS_CCRD }, - { "cs", 0xba, INSTR_RS_RRRD }, - { "cds", 0xbb, INSTR_RS_RRRD }, - { "clm", 0xbd, INSTR_RS_RURD }, - { "stcm", 0xbe, INSTR_RS_RURD }, - { "icm", 0xbf, INSTR_RS_RURD }, - { "mvn", 0xd1, INSTR_SS_L0RDRD }, - { "mvc", 0xd2, INSTR_SS_L0RDRD }, - { "mvz", 0xd3, INSTR_SS_L0RDRD }, - { "nc", 0xd4, INSTR_SS_L0RDRD }, - { "clc", 0xd5, INSTR_SS_L0RDRD }, - { "oc", 0xd6, INSTR_SS_L0RDRD }, - { "xc", 0xd7, INSTR_SS_L0RDRD }, - { "mvck", 0xd9, INSTR_SS_RRRDRD }, - { "mvcp", 0xda, INSTR_SS_RRRDRD }, - { "mvcs", 0xdb, INSTR_SS_RRRDRD }, - { "tr", 0xdc, INSTR_SS_L0RDRD }, - { "trt", 0xdd, INSTR_SS_L0RDRD }, - { "ed", 0xde, INSTR_SS_L0RDRD }, - { "edmk", 0xdf, INSTR_SS_L0RDRD }, - { "pku", 0xe1, INSTR_SS_L0RDRD }, - { "unpku", 0xe2, INSTR_SS_L0RDRD }, - { "mvcin", 0xe8, INSTR_SS_L0RDRD }, - { "pka", 0xe9, INSTR_SS_L0RDRD }, - { "unpka", 0xea, INSTR_SS_L0RDRD }, - { "plo", 0xee, INSTR_SS_RRRDRD2 }, - { "srp", 0xf0, INSTR_SS_LIRDRD }, - { "mvo", 0xf1, INSTR_SS_LLRDRD }, - { "pack", 0xf2, INSTR_SS_LLRDRD }, - { "unpk", 0xf3, INSTR_SS_LLRDRD }, - { "zap", 0xf8, INSTR_SS_LLRDRD }, - { "cp", 0xf9, INSTR_SS_LLRDRD }, - { "ap", 0xfa, INSTR_SS_LLRDRD }, - { "sp", 0xfb, INSTR_SS_LLRDRD }, - { "mp", 0xfc, INSTR_SS_LLRDRD }, - { "dp", 0xfd, INSTR_SS_LLRDRD }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_01[] = { -#ifdef CONFIG_64BIT - { "sam64", 0x0e, INSTR_E }, - { "pfpo", 0x0a, INSTR_E }, - { "ptff", 0x04, INSTR_E }, -#endif - { "pr", 0x01, INSTR_E }, - { "upt", 0x02, INSTR_E }, - { "sckpf", 0x07, INSTR_E }, - { "tam", 0x0b, INSTR_E }, - { "sam24", 0x0c, INSTR_E }, - { "sam31", 0x0d, INSTR_E }, - { "trap2", 0xff, INSTR_E }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_a5[] = { -#ifdef CONFIG_64BIT - { "iihh", 0x00, INSTR_RI_RU }, - { "iihl", 0x01, INSTR_RI_RU }, - { "iilh", 0x02, INSTR_RI_RU }, - { "iill", 0x03, INSTR_RI_RU }, - { "nihh", 0x04, INSTR_RI_RU }, - { "nihl", 0x05, INSTR_RI_RU }, - { "nilh", 0x06, INSTR_RI_RU }, - { "nill", 0x07, INSTR_RI_RU }, - { "oihh", 0x08, INSTR_RI_RU }, - { "oihl", 0x09, INSTR_RI_RU }, - { "oilh", 0x0a, INSTR_RI_RU }, - { "oill", 0x0b, INSTR_RI_RU }, - { "llihh", 0x0c, INSTR_RI_RU }, - { "llihl", 0x0d, INSTR_RI_RU }, - { "llilh", 0x0e, INSTR_RI_RU }, - { "llill", 0x0f, INSTR_RI_RU }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_a7[] = { -#ifdef CONFIG_64BIT - { "tmhh", 0x02, INSTR_RI_RU }, - { "tmhl", 0x03, INSTR_RI_RU }, - { "brctg", 0x07, INSTR_RI_RP }, - { "lghi", 0x09, INSTR_RI_RI }, - { "aghi", 0x0b, INSTR_RI_RI }, - { "mghi", 0x0d, INSTR_RI_RI }, - { "cghi", 0x0f, INSTR_RI_RI }, -#endif - { "tmlh", 0x00, INSTR_RI_RU }, - { "tmll", 0x01, INSTR_RI_RU }, - { "brc", 0x04, INSTR_RI_UP }, - { "bras", 0x05, INSTR_RI_RP }, - { "brct", 0x06, INSTR_RI_RP }, - { "lhi", 0x08, INSTR_RI_RI }, - { "ahi", 0x0a, INSTR_RI_RI }, - { "mhi", 0x0c, INSTR_RI_RI }, - { "chi", 0x0e, INSTR_RI_RI }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_b2[] = { -#ifdef CONFIG_64BIT - { "sske", 0x2b, INSTR_RRF_M0RR }, - { "stckf", 0x7c, INSTR_S_RD }, - { "cu21", 0xa6, INSTR_RRF_M0RR }, - { "cuutf", 0xa6, INSTR_RRF_M0RR }, - { "cu12", 0xa7, INSTR_RRF_M0RR }, - { "cutfu", 0xa7, INSTR_RRF_M0RR }, - { "stfle", 0xb0, INSTR_S_RD }, - { "lpswe", 0xb2, INSTR_S_RD }, - { "srnmt", 0xb9, INSTR_S_RD }, - { "lfas", 0xbd, INSTR_S_RD }, -#endif - { "stidp", 0x02, INSTR_S_RD }, - { "sck", 0x04, INSTR_S_RD }, - { "stck", 0x05, INSTR_S_RD }, - { "sckc", 0x06, INSTR_S_RD }, - { "stckc", 0x07, INSTR_S_RD }, - { "spt", 0x08, INSTR_S_RD }, - { "stpt", 0x09, INSTR_S_RD }, - { "spka", 0x0a, INSTR_S_RD }, - { "ipk", 0x0b, INSTR_S_00 }, - { "ptlb", 0x0d, INSTR_S_00 }, - { "spx", 0x10, INSTR_S_RD }, - { "stpx", 0x11, INSTR_S_RD }, - { "stap", 0x12, INSTR_S_RD }, - { "sie", 0x14, INSTR_S_RD }, - { "pc", 0x18, INSTR_S_RD }, - { "sac", 0x19, INSTR_S_RD }, - { "cfc", 0x1a, INSTR_S_RD }, - { "ipte", 0x21, INSTR_RRE_RR }, - { "ipm", 0x22, INSTR_RRE_R0 }, - { "ivsk", 0x23, INSTR_RRE_RR }, - { "iac", 0x24, INSTR_RRE_R0 }, - { "ssar", 0x25, INSTR_RRE_R0 }, - { "epar", 0x26, INSTR_RRE_R0 }, - { "esar", 0x27, INSTR_RRE_R0 }, - { "pt", 0x28, INSTR_RRE_RR }, - { "iske", 0x29, INSTR_RRE_RR }, - { "rrbe", 0x2a, INSTR_RRE_RR }, - { "sske", 0x2b, INSTR_RRE_RR }, - { "tb", 0x2c, INSTR_RRE_0R }, - { "dxr", 0x2d, INSTR_RRE_F0 }, - { "pgin", 0x2e, INSTR_RRE_RR }, - { "pgout", 0x2f, INSTR_RRE_RR }, - { "csch", 0x30, INSTR_S_00 }, - { "hsch", 0x31, INSTR_S_00 }, - { "msch", 0x32, INSTR_S_RD }, - { "ssch", 0x33, INSTR_S_RD }, - { "stsch", 0x34, INSTR_S_RD }, - { "tsch", 0x35, INSTR_S_RD }, - { "tpi", 0x36, INSTR_S_RD }, - { "sal", 0x37, INSTR_S_00 }, - { "rsch", 0x38, INSTR_S_00 }, - { "stcrw", 0x39, INSTR_S_RD }, - { "stcps", 0x3a, INSTR_S_RD }, - { "rchp", 0x3b, INSTR_S_00 }, - { "schm", 0x3c, INSTR_S_00 }, - { "bakr", 0x40, INSTR_RRE_RR }, - { "cksm", 0x41, INSTR_RRE_RR }, - { "sqdr", 0x44, INSTR_RRE_F0 }, - { "sqer", 0x45, INSTR_RRE_F0 }, - { "stura", 0x46, INSTR_RRE_RR }, - { "msta", 0x47, INSTR_RRE_R0 }, - { "palb", 0x48, INSTR_RRE_00 }, - { "ereg", 0x49, INSTR_RRE_RR }, - { "esta", 0x4a, INSTR_RRE_RR }, - { "lura", 0x4b, INSTR_RRE_RR }, - { "tar", 0x4c, INSTR_RRE_AR }, - { "cpya", 0x4d, INSTR_RRE_AA }, - { "sar", 0x4e, INSTR_RRE_AR }, - { "ear", 0x4f, INSTR_RRE_RA }, - { "csp", 0x50, INSTR_RRE_RR }, - { "msr", 0x52, INSTR_RRE_RR }, - { "mvpg", 0x54, INSTR_RRE_RR }, - { "mvst", 0x55, INSTR_RRE_RR }, - { "cuse", 0x57, INSTR_RRE_RR }, - { "bsg", 0x58, INSTR_RRE_RR }, - { "bsa", 0x5a, INSTR_RRE_RR }, - { "clst", 0x5d, INSTR_RRE_RR }, - { "srst", 0x5e, INSTR_RRE_RR }, - { "cmpsc", 0x63, INSTR_RRE_RR }, - { "siga", 0x74, INSTR_S_RD }, - { "xsch", 0x76, INSTR_S_00 }, - { "rp", 0x77, INSTR_S_RD }, - { "stcke", 0x78, INSTR_S_RD }, - { "sacf", 0x79, INSTR_S_RD }, - { "spp", 0x80, INSTR_S_RD }, - { "stsi", 0x7d, INSTR_S_RD }, - { "srnm", 0x99, INSTR_S_RD }, - { "stfpc", 0x9c, INSTR_S_RD }, - { "lfpc", 0x9d, INSTR_S_RD }, - { "tre", 0xa5, INSTR_RRE_RR }, - { "cuutf", 0xa6, INSTR_RRE_RR }, - { "cutfu", 0xa7, INSTR_RRE_RR }, - { "stfl", 0xb1, INSTR_S_RD }, - { "trap4", 0xff, INSTR_S_RD }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_b3[] = { -#ifdef CONFIG_64BIT - { "maylr", 0x38, INSTR_RRF_F0FF }, - { "mylr", 0x39, INSTR_RRF_F0FF }, - { "mayr", 0x3a, INSTR_RRF_F0FF }, - { "myr", 0x3b, INSTR_RRF_F0FF }, - { "mayhr", 0x3c, INSTR_RRF_F0FF }, - { "myhr", 0x3d, INSTR_RRF_F0FF }, - { "cegbr", 0xa4, INSTR_RRE_RR }, - { "cdgbr", 0xa5, INSTR_RRE_RR }, - { "cxgbr", 0xa6, INSTR_RRE_RR }, - { "cgebr", 0xa8, INSTR_RRF_U0RF }, - { "cgdbr", 0xa9, INSTR_RRF_U0RF }, - { "cgxbr", 0xaa, INSTR_RRF_U0RF }, - { "cfer", 0xb8, INSTR_RRF_U0RF }, - { "cfdr", 0xb9, INSTR_RRF_U0RF }, - { "cfxr", 0xba, INSTR_RRF_U0RF }, - { "cegr", 0xc4, INSTR_RRE_RR }, - { "cdgr", 0xc5, INSTR_RRE_RR }, - { "cxgr", 0xc6, INSTR_RRE_RR }, - { "cger", 0xc8, INSTR_RRF_U0RF }, - { "cgdr", 0xc9, INSTR_RRF_U0RF }, - { "cgxr", 0xca, INSTR_RRF_U0RF }, - { "lpdfr", 0x70, INSTR_RRE_FF }, - { "lndfr", 0x71, INSTR_RRE_FF }, - { "cpsdr", 0x72, INSTR_RRF_F0FF2 }, - { "lcdfr", 0x73, INSTR_RRE_FF }, - { "ldgr", 0xc1, INSTR_RRE_FR }, - { "lgdr", 0xcd, INSTR_RRE_RF }, - { "adtr", 0xd2, INSTR_RRR_F0FF }, - { "axtr", 0xda, INSTR_RRR_F0FF }, - { "cdtr", 0xe4, INSTR_RRE_FF }, - { "cxtr", 0xec, INSTR_RRE_FF }, - { "kdtr", 0xe0, INSTR_RRE_FF }, - { "kxtr", 0xe8, INSTR_RRE_FF }, - { "cedtr", 0xf4, INSTR_RRE_FF }, - { "cextr", 0xfc, INSTR_RRE_FF }, - { "cdgtr", 0xf1, INSTR_RRE_FR }, - { "cxgtr", 0xf9, INSTR_RRE_FR }, - { "cdstr", 0xf3, INSTR_RRE_FR }, - { "cxstr", 0xfb, INSTR_RRE_FR }, - { "cdutr", 0xf2, INSTR_RRE_FR }, - { "cxutr", 0xfa, INSTR_RRE_FR }, - { "cgdtr", 0xe1, INSTR_RRF_U0RF }, - { "cgxtr", 0xe9, INSTR_RRF_U0RF }, - { "csdtr", 0xe3, INSTR_RRE_RF }, - { "csxtr", 0xeb, INSTR_RRE_RF }, - { "cudtr", 0xe2, INSTR_RRE_RF }, - { "cuxtr", 0xea, INSTR_RRE_RF }, - { "ddtr", 0xd1, INSTR_RRR_F0FF }, - { "dxtr", 0xd9, INSTR_RRR_F0FF }, - { "eedtr", 0xe5, INSTR_RRE_RF }, - { "eextr", 0xed, INSTR_RRE_RF }, - { "esdtr", 0xe7, INSTR_RRE_RF }, - { "esxtr", 0xef, INSTR_RRE_RF }, - { "iedtr", 0xf6, INSTR_RRF_F0FR }, - { "iextr", 0xfe, INSTR_RRF_F0FR }, - { "ltdtr", 0xd6, INSTR_RRE_FF }, - { "ltxtr", 0xde, INSTR_RRE_FF }, - { "fidtr", 0xd7, INSTR_RRF_UUFF }, - { "fixtr", 0xdf, INSTR_RRF_UUFF }, - { "ldetr", 0xd4, INSTR_RRF_0UFF }, - { "lxdtr", 0xdc, INSTR_RRF_0UFF }, - { "ledtr", 0xd5, INSTR_RRF_UUFF }, - { "ldxtr", 0xdd, INSTR_RRF_UUFF }, - { "mdtr", 0xd0, INSTR_RRR_F0FF }, - { "mxtr", 0xd8, INSTR_RRR_F0FF }, - { "qadtr", 0xf5, INSTR_RRF_FUFF }, - { "qaxtr", 0xfd, INSTR_RRF_FUFF }, - { "rrdtr", 0xf7, INSTR_RRF_FFRU }, - { "rrxtr", 0xff, INSTR_RRF_FFRU }, - { "sfasr", 0x85, INSTR_RRE_R0 }, - { "sdtr", 0xd3, INSTR_RRR_F0FF }, - { "sxtr", 0xdb, INSTR_RRR_F0FF }, -#endif - { "lpebr", 0x00, INSTR_RRE_FF }, - { "lnebr", 0x01, INSTR_RRE_FF }, - { "ltebr", 0x02, INSTR_RRE_FF }, - { "lcebr", 0x03, INSTR_RRE_FF }, - { "ldebr", 0x04, INSTR_RRE_FF }, - { "lxdbr", 0x05, INSTR_RRE_FF }, - { "lxebr", 0x06, INSTR_RRE_FF }, - { "mxdbr", 0x07, INSTR_RRE_FF }, - { "kebr", 0x08, INSTR_RRE_FF }, - { "cebr", 0x09, INSTR_RRE_FF }, - { "aebr", 0x0a, INSTR_RRE_FF }, - { "sebr", 0x0b, INSTR_RRE_FF }, - { "mdebr", 0x0c, INSTR_RRE_FF }, - { "debr", 0x0d, INSTR_RRE_FF }, - { "maebr", 0x0e, INSTR_RRF_F0FF }, - { "msebr", 0x0f, INSTR_RRF_F0FF }, - { "lpdbr", 0x10, INSTR_RRE_FF }, - { "lndbr", 0x11, INSTR_RRE_FF }, - { "ltdbr", 0x12, INSTR_RRE_FF }, - { "lcdbr", 0x13, INSTR_RRE_FF }, - { "sqebr", 0x14, INSTR_RRE_FF }, - { "sqdbr", 0x15, INSTR_RRE_FF }, - { "sqxbr", 0x16, INSTR_RRE_FF }, - { "meebr", 0x17, INSTR_RRE_FF }, - { "kdbr", 0x18, INSTR_RRE_FF }, - { "cdbr", 0x19, INSTR_RRE_FF }, - { "adbr", 0x1a, INSTR_RRE_FF }, - { "sdbr", 0x1b, INSTR_RRE_FF }, - { "mdbr", 0x1c, INSTR_RRE_FF }, - { "ddbr", 0x1d, INSTR_RRE_FF }, - { "madbr", 0x1e, INSTR_RRF_F0FF }, - { "msdbr", 0x1f, INSTR_RRF_F0FF }, - { "lder", 0x24, INSTR_RRE_FF }, - { "lxdr", 0x25, INSTR_RRE_FF }, - { "lxer", 0x26, INSTR_RRE_FF }, - { "maer", 0x2e, INSTR_RRF_F0FF }, - { "mser", 0x2f, INSTR_RRF_F0FF }, - { "sqxr", 0x36, INSTR_RRE_FF }, - { "meer", 0x37, INSTR_RRE_FF }, - { "madr", 0x3e, INSTR_RRF_F0FF }, - { "msdr", 0x3f, INSTR_RRF_F0FF }, - { "lpxbr", 0x40, INSTR_RRE_FF }, - { "lnxbr", 0x41, INSTR_RRE_FF }, - { "ltxbr", 0x42, INSTR_RRE_FF }, - { "lcxbr", 0x43, INSTR_RRE_FF }, - { "ledbr", 0x44, INSTR_RRE_FF }, - { "ldxbr", 0x45, INSTR_RRE_FF }, - { "lexbr", 0x46, INSTR_RRE_FF }, - { "fixbr", 0x47, INSTR_RRF_U0FF }, - { "kxbr", 0x48, INSTR_RRE_FF }, - { "cxbr", 0x49, INSTR_RRE_FF }, - { "axbr", 0x4a, INSTR_RRE_FF }, - { "sxbr", 0x4b, INSTR_RRE_FF }, - { "mxbr", 0x4c, INSTR_RRE_FF }, - { "dxbr", 0x4d, INSTR_RRE_FF }, - { "tbedr", 0x50, INSTR_RRF_U0FF }, - { "tbdr", 0x51, INSTR_RRF_U0FF }, - { "diebr", 0x53, INSTR_RRF_FUFF }, - { "fiebr", 0x57, INSTR_RRF_U0FF }, - { "thder", 0x58, INSTR_RRE_RR }, - { "thdr", 0x59, INSTR_RRE_RR }, - { "didbr", 0x5b, INSTR_RRF_FUFF }, - { "fidbr", 0x5f, INSTR_RRF_U0FF }, - { "lpxr", 0x60, INSTR_RRE_FF }, - { "lnxr", 0x61, INSTR_RRE_FF }, - { "ltxr", 0x62, INSTR_RRE_FF }, - { "lcxr", 0x63, INSTR_RRE_FF }, - { "lxr", 0x65, INSTR_RRE_RR }, - { "lexr", 0x66, INSTR_RRE_FF }, - { "fixr", 0x67, INSTR_RRF_U0FF }, - { "cxr", 0x69, INSTR_RRE_FF }, - { "lzer", 0x74, INSTR_RRE_R0 }, - { "lzdr", 0x75, INSTR_RRE_R0 }, - { "lzxr", 0x76, INSTR_RRE_R0 }, - { "fier", 0x77, INSTR_RRF_U0FF }, - { "fidr", 0x7f, INSTR_RRF_U0FF }, - { "sfpc", 0x84, INSTR_RRE_RR_OPT }, - { "efpc", 0x8c, INSTR_RRE_RR_OPT }, - { "cefbr", 0x94, INSTR_RRE_RF }, - { "cdfbr", 0x95, INSTR_RRE_RF }, - { "cxfbr", 0x96, INSTR_RRE_RF }, - { "cfebr", 0x98, INSTR_RRF_U0RF }, - { "cfdbr", 0x99, INSTR_RRF_U0RF }, - { "cfxbr", 0x9a, INSTR_RRF_U0RF }, - { "cefr", 0xb4, INSTR_RRE_RF }, - { "cdfr", 0xb5, INSTR_RRE_RF }, - { "cxfr", 0xb6, INSTR_RRE_RF }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_b9[] = { -#ifdef CONFIG_64BIT - { "lpgr", 0x00, INSTR_RRE_RR }, - { "lngr", 0x01, INSTR_RRE_RR }, - { "ltgr", 0x02, INSTR_RRE_RR }, - { "lcgr", 0x03, INSTR_RRE_RR }, - { "lgr", 0x04, INSTR_RRE_RR }, - { "lurag", 0x05, INSTR_RRE_RR }, - { "lgbr", 0x06, INSTR_RRE_RR }, - { "lghr", 0x07, INSTR_RRE_RR }, - { "agr", 0x08, INSTR_RRE_RR }, - { "sgr", 0x09, INSTR_RRE_RR }, - { "algr", 0x0a, INSTR_RRE_RR }, - { "slgr", 0x0b, INSTR_RRE_RR }, - { "msgr", 0x0c, INSTR_RRE_RR }, - { "dsgr", 0x0d, INSTR_RRE_RR }, - { "eregg", 0x0e, INSTR_RRE_RR }, - { "lrvgr", 0x0f, INSTR_RRE_RR }, - { "lpgfr", 0x10, INSTR_RRE_RR }, - { "lngfr", 0x11, INSTR_RRE_RR }, - { "ltgfr", 0x12, INSTR_RRE_RR }, - { "lcgfr", 0x13, INSTR_RRE_RR }, - { "lgfr", 0x14, INSTR_RRE_RR }, - { "llgfr", 0x16, INSTR_RRE_RR }, - { "llgtr", 0x17, INSTR_RRE_RR }, - { "agfr", 0x18, INSTR_RRE_RR }, - { "sgfr", 0x19, INSTR_RRE_RR }, - { "algfr", 0x1a, INSTR_RRE_RR }, - { "slgfr", 0x1b, INSTR_RRE_RR }, - { "msgfr", 0x1c, INSTR_RRE_RR }, - { "dsgfr", 0x1d, INSTR_RRE_RR }, - { "cgr", 0x20, INSTR_RRE_RR }, - { "clgr", 0x21, INSTR_RRE_RR }, - { "sturg", 0x25, INSTR_RRE_RR }, - { "lbr", 0x26, INSTR_RRE_RR }, - { "lhr", 0x27, INSTR_RRE_RR }, - { "cgfr", 0x30, INSTR_RRE_RR }, - { "clgfr", 0x31, INSTR_RRE_RR }, - { "bctgr", 0x46, INSTR_RRE_RR }, - { "ngr", 0x80, INSTR_RRE_RR }, - { "ogr", 0x81, INSTR_RRE_RR }, - { "xgr", 0x82, INSTR_RRE_RR }, - { "flogr", 0x83, INSTR_RRE_RR }, - { "llgcr", 0x84, INSTR_RRE_RR }, - { "llghr", 0x85, INSTR_RRE_RR }, - { "mlgr", 0x86, INSTR_RRE_RR }, - { "dlgr", 0x87, INSTR_RRE_RR }, - { "alcgr", 0x88, INSTR_RRE_RR }, - { "slbgr", 0x89, INSTR_RRE_RR }, - { "cspg", 0x8a, INSTR_RRE_RR }, - { "idte", 0x8e, INSTR_RRF_R0RR }, - { "llcr", 0x94, INSTR_RRE_RR }, - { "llhr", 0x95, INSTR_RRE_RR }, - { "esea", 0x9d, INSTR_RRE_R0 }, - { "lptea", 0xaa, INSTR_RRF_RURR }, - { "cu14", 0xb0, INSTR_RRF_M0RR }, - { "cu24", 0xb1, INSTR_RRF_M0RR }, - { "cu41", 0xb2, INSTR_RRF_M0RR }, - { "cu42", 0xb3, INSTR_RRF_M0RR }, - { "crt", 0x72, INSTR_RRF_U0RR }, - { "cgrt", 0x60, INSTR_RRF_U0RR }, - { "clrt", 0x73, INSTR_RRF_U0RR }, - { "clgrt", 0x61, INSTR_RRF_U0RR }, - { "ptf", 0xa2, INSTR_RRE_R0 }, - { "pfmf", 0xaf, INSTR_RRE_RR }, - { "trte", 0xbf, INSTR_RRF_M0RR }, - { "trtre", 0xbd, INSTR_RRF_M0RR }, - { "ahhhr", 0xc8, INSTR_RRF_R0RR2 }, - { "shhhr", 0xc9, INSTR_RRF_R0RR2 }, - { "alhhh", 0xca, INSTR_RRF_R0RR2 }, - { "alhhl", 0xca, INSTR_RRF_R0RR2 }, - { "slhhh", 0xcb, INSTR_RRF_R0RR2 }, - { "chhr ", 0xcd, INSTR_RRE_RR }, - { "clhhr", 0xcf, INSTR_RRE_RR }, - { "ahhlr", 0xd8, INSTR_RRF_R0RR2 }, - { "shhlr", 0xd9, INSTR_RRF_R0RR2 }, - { "slhhl", 0xdb, INSTR_RRF_R0RR2 }, - { "chlr", 0xdd, INSTR_RRE_RR }, - { "clhlr", 0xdf, INSTR_RRE_RR }, - { { 0, LONG_INSN_POPCNT }, 0xe1, INSTR_RRE_RR }, - { "locgr", 0xe2, INSTR_RRF_M0RR }, - { "ngrk", 0xe4, INSTR_RRF_R0RR2 }, - { "ogrk", 0xe6, INSTR_RRF_R0RR2 }, - { "xgrk", 0xe7, INSTR_RRF_R0RR2 }, - { "agrk", 0xe8, INSTR_RRF_R0RR2 }, - { "sgrk", 0xe9, INSTR_RRF_R0RR2 }, - { "algrk", 0xea, INSTR_RRF_R0RR2 }, - { "slgrk", 0xeb, INSTR_RRF_R0RR2 }, - { "locr", 0xf2, INSTR_RRF_M0RR }, - { "nrk", 0xf4, INSTR_RRF_R0RR2 }, - { "ork", 0xf6, INSTR_RRF_R0RR2 }, - { "xrk", 0xf7, INSTR_RRF_R0RR2 }, - { "ark", 0xf8, INSTR_RRF_R0RR2 }, - { "srk", 0xf9, INSTR_RRF_R0RR2 }, - { "alrk", 0xfa, INSTR_RRF_R0RR2 }, - { "slrk", 0xfb, INSTR_RRF_R0RR2 }, -#endif - { "kmac", 0x1e, INSTR_RRE_RR }, - { "lrvr", 0x1f, INSTR_RRE_RR }, - { "km", 0x2e, INSTR_RRE_RR }, - { "kmc", 0x2f, INSTR_RRE_RR }, - { "kimd", 0x3e, INSTR_RRE_RR }, - { "klmd", 0x3f, INSTR_RRE_RR }, - { "epsw", 0x8d, INSTR_RRE_RR }, - { "trtt", 0x90, INSTR_RRE_RR }, - { "trtt", 0x90, INSTR_RRF_M0RR }, - { "trto", 0x91, INSTR_RRE_RR }, - { "trto", 0x91, INSTR_RRF_M0RR }, - { "trot", 0x92, INSTR_RRE_RR }, - { "trot", 0x92, INSTR_RRF_M0RR }, - { "troo", 0x93, INSTR_RRE_RR }, - { "troo", 0x93, INSTR_RRF_M0RR }, - { "mlr", 0x96, INSTR_RRE_RR }, - { "dlr", 0x97, INSTR_RRE_RR }, - { "alcr", 0x98, INSTR_RRE_RR }, - { "slbr", 0x99, INSTR_RRE_RR }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_c0[] = { -#ifdef CONFIG_64BIT - { "lgfi", 0x01, INSTR_RIL_RI }, - { "xihf", 0x06, INSTR_RIL_RU }, - { "xilf", 0x07, INSTR_RIL_RU }, - { "iihf", 0x08, INSTR_RIL_RU }, - { "iilf", 0x09, INSTR_RIL_RU }, - { "nihf", 0x0a, INSTR_RIL_RU }, - { "nilf", 0x0b, INSTR_RIL_RU }, - { "oihf", 0x0c, INSTR_RIL_RU }, - { "oilf", 0x0d, INSTR_RIL_RU }, - { "llihf", 0x0e, INSTR_RIL_RU }, - { "llilf", 0x0f, INSTR_RIL_RU }, -#endif - { "larl", 0x00, INSTR_RIL_RP }, - { "brcl", 0x04, INSTR_RIL_UP }, - { "brasl", 0x05, INSTR_RIL_RP }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_c2[] = { -#ifdef CONFIG_64BIT - { "slgfi", 0x04, INSTR_RIL_RU }, - { "slfi", 0x05, INSTR_RIL_RU }, - { "agfi", 0x08, INSTR_RIL_RI }, - { "afi", 0x09, INSTR_RIL_RI }, - { "algfi", 0x0a, INSTR_RIL_RU }, - { "alfi", 0x0b, INSTR_RIL_RU }, - { "cgfi", 0x0c, INSTR_RIL_RI }, - { "cfi", 0x0d, INSTR_RIL_RI }, - { "clgfi", 0x0e, INSTR_RIL_RU }, - { "clfi", 0x0f, INSTR_RIL_RU }, - { "msfi", 0x01, INSTR_RIL_RI }, - { "msgfi", 0x00, INSTR_RIL_RI }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_c4[] = { -#ifdef CONFIG_64BIT - { "lrl", 0x0d, INSTR_RIL_RP }, - { "lgrl", 0x08, INSTR_RIL_RP }, - { "lgfrl", 0x0c, INSTR_RIL_RP }, - { "lhrl", 0x05, INSTR_RIL_RP }, - { "lghrl", 0x04, INSTR_RIL_RP }, - { { 0, LONG_INSN_LLGFRL }, 0x0e, INSTR_RIL_RP }, - { "llhrl", 0x02, INSTR_RIL_RP }, - { { 0, LONG_INSN_LLGHRL }, 0x06, INSTR_RIL_RP }, - { "strl", 0x0f, INSTR_RIL_RP }, - { "stgrl", 0x0b, INSTR_RIL_RP }, - { "sthrl", 0x07, INSTR_RIL_RP }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_c6[] = { -#ifdef CONFIG_64BIT - { "crl", 0x0d, INSTR_RIL_RP }, - { "cgrl", 0x08, INSTR_RIL_RP }, - { "cgfrl", 0x0c, INSTR_RIL_RP }, - { "chrl", 0x05, INSTR_RIL_RP }, - { "cghrl", 0x04, INSTR_RIL_RP }, - { "clrl", 0x0f, INSTR_RIL_RP }, - { "clgrl", 0x0a, INSTR_RIL_RP }, - { { 0, LONG_INSN_CLGFRL }, 0x0e, INSTR_RIL_RP }, - { "clhrl", 0x07, INSTR_RIL_RP }, - { { 0, LONG_INSN_CLGHRL }, 0x06, INSTR_RIL_RP }, - { "pfdrl", 0x02, INSTR_RIL_UP }, - { "exrl", 0x00, INSTR_RIL_RP }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_c8[] = { -#ifdef CONFIG_64BIT - { "mvcos", 0x00, INSTR_SSF_RRDRD }, - { "ectg", 0x01, INSTR_SSF_RRDRD }, - { "csst", 0x02, INSTR_SSF_RRDRD }, - { "lpd", 0x04, INSTR_SSF_RRDRD2 }, - { "lpdg ", 0x05, INSTR_SSF_RRDRD2 }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_cc[] = { -#ifdef CONFIG_64BIT - { "brcth", 0x06, INSTR_RIL_RP }, - { "aih", 0x08, INSTR_RIL_RI }, - { "alsih", 0x0a, INSTR_RIL_RI }, - { "alsih", 0x0b, INSTR_RIL_RI }, - { "cih", 0x0d, INSTR_RIL_RI }, - { "clih ", 0x0f, INSTR_RIL_RI }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_e3[] = { -#ifdef CONFIG_64BIT - { "ltg", 0x02, INSTR_RXY_RRRD }, - { "lrag", 0x03, INSTR_RXY_RRRD }, - { "lg", 0x04, INSTR_RXY_RRRD }, - { "cvby", 0x06, INSTR_RXY_RRRD }, - { "ag", 0x08, INSTR_RXY_RRRD }, - { "sg", 0x09, INSTR_RXY_RRRD }, - { "alg", 0x0a, INSTR_RXY_RRRD }, - { "slg", 0x0b, INSTR_RXY_RRRD }, - { "msg", 0x0c, INSTR_RXY_RRRD }, - { "dsg", 0x0d, INSTR_RXY_RRRD }, - { "cvbg", 0x0e, INSTR_RXY_RRRD }, - { "lrvg", 0x0f, INSTR_RXY_RRRD }, - { "lt", 0x12, INSTR_RXY_RRRD }, - { "lray", 0x13, INSTR_RXY_RRRD }, - { "lgf", 0x14, INSTR_RXY_RRRD }, - { "lgh", 0x15, INSTR_RXY_RRRD }, - { "llgf", 0x16, INSTR_RXY_RRRD }, - { "llgt", 0x17, INSTR_RXY_RRRD }, - { "agf", 0x18, INSTR_RXY_RRRD }, - { "sgf", 0x19, INSTR_RXY_RRRD }, - { "algf", 0x1a, INSTR_RXY_RRRD }, - { "slgf", 0x1b, INSTR_RXY_RRRD }, - { "msgf", 0x1c, INSTR_RXY_RRRD }, - { "dsgf", 0x1d, INSTR_RXY_RRRD }, - { "cg", 0x20, INSTR_RXY_RRRD }, - { "clg", 0x21, INSTR_RXY_RRRD }, - { "stg", 0x24, INSTR_RXY_RRRD }, - { "cvdy", 0x26, INSTR_RXY_RRRD }, - { "cvdg", 0x2e, INSTR_RXY_RRRD }, - { "strvg", 0x2f, INSTR_RXY_RRRD }, - { "cgf", 0x30, INSTR_RXY_RRRD }, - { "clgf", 0x31, INSTR_RXY_RRRD }, - { "strvh", 0x3f, INSTR_RXY_RRRD }, - { "bctg", 0x46, INSTR_RXY_RRRD }, - { "sty", 0x50, INSTR_RXY_RRRD }, - { "msy", 0x51, INSTR_RXY_RRRD }, - { "ny", 0x54, INSTR_RXY_RRRD }, - { "cly", 0x55, INSTR_RXY_RRRD }, - { "oy", 0x56, INSTR_RXY_RRRD }, - { "xy", 0x57, INSTR_RXY_RRRD }, - { "ly", 0x58, INSTR_RXY_RRRD }, - { "cy", 0x59, INSTR_RXY_RRRD }, - { "ay", 0x5a, INSTR_RXY_RRRD }, - { "sy", 0x5b, INSTR_RXY_RRRD }, - { "aly", 0x5e, INSTR_RXY_RRRD }, - { "sly", 0x5f, INSTR_RXY_RRRD }, - { "sthy", 0x70, INSTR_RXY_RRRD }, - { "lay", 0x71, INSTR_RXY_RRRD }, - { "stcy", 0x72, INSTR_RXY_RRRD }, - { "icy", 0x73, INSTR_RXY_RRRD }, - { "lb", 0x76, INSTR_RXY_RRRD }, - { "lgb", 0x77, INSTR_RXY_RRRD }, - { "lhy", 0x78, INSTR_RXY_RRRD }, - { "chy", 0x79, INSTR_RXY_RRRD }, - { "ahy", 0x7a, INSTR_RXY_RRRD }, - { "shy", 0x7b, INSTR_RXY_RRRD }, - { "ng", 0x80, INSTR_RXY_RRRD }, - { "og", 0x81, INSTR_RXY_RRRD }, - { "xg", 0x82, INSTR_RXY_RRRD }, - { "mlg", 0x86, INSTR_RXY_RRRD }, - { "dlg", 0x87, INSTR_RXY_RRRD }, - { "alcg", 0x88, INSTR_RXY_RRRD }, - { "slbg", 0x89, INSTR_RXY_RRRD }, - { "stpq", 0x8e, INSTR_RXY_RRRD }, - { "lpq", 0x8f, INSTR_RXY_RRRD }, - { "llgc", 0x90, INSTR_RXY_RRRD }, - { "llgh", 0x91, INSTR_RXY_RRRD }, - { "llc", 0x94, INSTR_RXY_RRRD }, - { "llh", 0x95, INSTR_RXY_RRRD }, - { "cgh", 0x34, INSTR_RXY_RRRD }, - { "laey", 0x75, INSTR_RXY_RRRD }, - { "ltgf", 0x32, INSTR_RXY_RRRD }, - { "mfy", 0x5c, INSTR_RXY_RRRD }, - { "mhy", 0x7c, INSTR_RXY_RRRD }, - { "pfd", 0x36, INSTR_RXY_URRD }, - { "lbh", 0xc0, INSTR_RXY_RRRD }, - { "llch", 0xc2, INSTR_RXY_RRRD }, - { "stch", 0xc3, INSTR_RXY_RRRD }, - { "lhh", 0xc4, INSTR_RXY_RRRD }, - { "llhh", 0xc6, INSTR_RXY_RRRD }, - { "sthh", 0xc7, INSTR_RXY_RRRD }, - { "lfh", 0xca, INSTR_RXY_RRRD }, - { "stfh", 0xcb, INSTR_RXY_RRRD }, - { "chf", 0xcd, INSTR_RXY_RRRD }, - { "clhf", 0xcf, INSTR_RXY_RRRD }, -#endif - { "lrv", 0x1e, INSTR_RXY_RRRD }, - { "lrvh", 0x1f, INSTR_RXY_RRRD }, - { "strv", 0x3e, INSTR_RXY_RRRD }, - { "ml", 0x96, INSTR_RXY_RRRD }, - { "dl", 0x97, INSTR_RXY_RRRD }, - { "alc", 0x98, INSTR_RXY_RRRD }, - { "slb", 0x99, INSTR_RXY_RRRD }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_e5[] = { -#ifdef CONFIG_64BIT - { "strag", 0x02, INSTR_SSE_RDRD }, - { "chhsi", 0x54, INSTR_SIL_RDI }, - { "chsi", 0x5c, INSTR_SIL_RDI }, - { "cghsi", 0x58, INSTR_SIL_RDI }, - { { 0, LONG_INSN_CLHHSI }, 0x55, INSTR_SIL_RDU }, - { { 0, LONG_INSN_CLFHSI }, 0x5d, INSTR_SIL_RDU }, - { { 0, LONG_INSN_CLGHSI }, 0x59, INSTR_SIL_RDU }, - { "mvhhi", 0x44, INSTR_SIL_RDI }, - { "mvhi", 0x4c, INSTR_SIL_RDI }, - { "mvghi", 0x48, INSTR_SIL_RDI }, -#endif - { "lasp", 0x00, INSTR_SSE_RDRD }, - { "tprot", 0x01, INSTR_SSE_RDRD }, - { "mvcsk", 0x0e, INSTR_SSE_RDRD }, - { "mvcdk", 0x0f, INSTR_SSE_RDRD }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_eb[] = { -#ifdef CONFIG_64BIT - { "lmg", 0x04, INSTR_RSY_RRRD }, - { "srag", 0x0a, INSTR_RSY_RRRD }, - { "slag", 0x0b, INSTR_RSY_RRRD }, - { "srlg", 0x0c, INSTR_RSY_RRRD }, - { "sllg", 0x0d, INSTR_RSY_RRRD }, - { "tracg", 0x0f, INSTR_RSY_RRRD }, - { "csy", 0x14, INSTR_RSY_RRRD }, - { "rllg", 0x1c, INSTR_RSY_RRRD }, - { "clmh", 0x20, INSTR_RSY_RURD }, - { "clmy", 0x21, INSTR_RSY_RURD }, - { "stmg", 0x24, INSTR_RSY_RRRD }, - { "stctg", 0x25, INSTR_RSY_CCRD }, - { "stmh", 0x26, INSTR_RSY_RRRD }, - { "stcmh", 0x2c, INSTR_RSY_RURD }, - { "stcmy", 0x2d, INSTR_RSY_RURD }, - { "lctlg", 0x2f, INSTR_RSY_CCRD }, - { "csg", 0x30, INSTR_RSY_RRRD }, - { "cdsy", 0x31, INSTR_RSY_RRRD }, - { "cdsg", 0x3e, INSTR_RSY_RRRD }, - { "bxhg", 0x44, INSTR_RSY_RRRD }, - { "bxleg", 0x45, INSTR_RSY_RRRD }, - { "tmy", 0x51, INSTR_SIY_URD }, - { "mviy", 0x52, INSTR_SIY_URD }, - { "niy", 0x54, INSTR_SIY_URD }, - { "cliy", 0x55, INSTR_SIY_URD }, - { "oiy", 0x56, INSTR_SIY_URD }, - { "xiy", 0x57, INSTR_SIY_URD }, - { "icmh", 0x80, INSTR_RSE_RURD }, - { "icmh", 0x80, INSTR_RSY_RURD }, - { "icmy", 0x81, INSTR_RSY_RURD }, - { "clclu", 0x8f, INSTR_RSY_RRRD }, - { "stmy", 0x90, INSTR_RSY_RRRD }, - { "lmh", 0x96, INSTR_RSY_RRRD }, - { "lmy", 0x98, INSTR_RSY_RRRD }, - { "lamy", 0x9a, INSTR_RSY_AARD }, - { "stamy", 0x9b, INSTR_RSY_AARD }, - { "asi", 0x6a, INSTR_SIY_IRD }, - { "agsi", 0x7a, INSTR_SIY_IRD }, - { "alsi", 0x6e, INSTR_SIY_IRD }, - { "algsi", 0x7e, INSTR_SIY_IRD }, - { "ecag", 0x4c, INSTR_RSY_RRRD }, - { "srak", 0xdc, INSTR_RSY_RRRD }, - { "slak", 0xdd, INSTR_RSY_RRRD }, - { "srlk", 0xde, INSTR_RSY_RRRD }, - { "sllk", 0xdf, INSTR_RSY_RRRD }, - { "locg", 0xe2, INSTR_RSY_RDRM }, - { "stocg", 0xe3, INSTR_RSY_RDRM }, - { "lang", 0xe4, INSTR_RSY_RRRD }, - { "laog", 0xe6, INSTR_RSY_RRRD }, - { "laxg", 0xe7, INSTR_RSY_RRRD }, - { "laag", 0xe8, INSTR_RSY_RRRD }, - { "laalg", 0xea, INSTR_RSY_RRRD }, - { "loc", 0xf2, INSTR_RSY_RDRM }, - { "stoc", 0xf3, INSTR_RSY_RDRM }, - { "lan", 0xf4, INSTR_RSY_RRRD }, - { "lao", 0xf6, INSTR_RSY_RRRD }, - { "lax", 0xf7, INSTR_RSY_RRRD }, - { "laa", 0xf8, INSTR_RSY_RRRD }, - { "laal", 0xfa, INSTR_RSY_RRRD }, -#endif - { "rll", 0x1d, INSTR_RSY_RRRD }, - { "mvclu", 0x8e, INSTR_RSY_RRRD }, - { "tp", 0xc0, INSTR_RSL_R0RD }, - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_ec[] = { -#ifdef CONFIG_64BIT - { "brxhg", 0x44, INSTR_RIE_RRP }, - { "brxlg", 0x45, INSTR_RIE_RRP }, - { "crb", 0xf6, INSTR_RRS_RRRDU }, - { "cgrb", 0xe4, INSTR_RRS_RRRDU }, - { "crj", 0x76, INSTR_RIE_RRPU }, - { "cgrj", 0x64, INSTR_RIE_RRPU }, - { "cib", 0xfe, INSTR_RIS_RURDI }, - { "cgib", 0xfc, INSTR_RIS_RURDI }, - { "cij", 0x7e, INSTR_RIE_RUPI }, - { "cgij", 0x7c, INSTR_RIE_RUPI }, - { "cit", 0x72, INSTR_RIE_R0IU }, - { "cgit", 0x70, INSTR_RIE_R0IU }, - { "clrb", 0xf7, INSTR_RRS_RRRDU }, - { "clgrb", 0xe5, INSTR_RRS_RRRDU }, - { "clrj", 0x77, INSTR_RIE_RRPU }, - { "clgrj", 0x65, INSTR_RIE_RRPU }, - { "clib", 0xff, INSTR_RIS_RURDU }, - { "clgib", 0xfd, INSTR_RIS_RURDU }, - { "clij", 0x7f, INSTR_RIE_RUPU }, - { "clgij", 0x7d, INSTR_RIE_RUPU }, - { "clfit", 0x73, INSTR_RIE_R0UU }, - { "clgit", 0x71, INSTR_RIE_R0UU }, - { "rnsbg", 0x54, INSTR_RIE_RRUUU }, - { "rxsbg", 0x57, INSTR_RIE_RRUUU }, - { "rosbg", 0x56, INSTR_RIE_RRUUU }, - { "risbg", 0x55, INSTR_RIE_RRUUU }, - { { 0, LONG_INSN_RISBLG }, 0x51, INSTR_RIE_RRUUU }, - { { 0, LONG_INSN_RISBHG }, 0x5D, INSTR_RIE_RRUUU }, - { "ahik", 0xd8, INSTR_RIE_RRI0 }, - { "aghik", 0xd9, INSTR_RIE_RRI0 }, - { { 0, LONG_INSN_ALHSIK }, 0xda, INSTR_RIE_RRI0 }, - { { 0, LONG_INSN_ALGHSIK }, 0xdb, INSTR_RIE_RRI0 }, -#endif - { "", 0, INSTR_INVALID } -}; - -static struct insn opcode_ed[] = { -#ifdef CONFIG_64BIT - { "mayl", 0x38, INSTR_RXF_FRRDF }, - { "myl", 0x39, INSTR_RXF_FRRDF }, - { "may", 0x3a, INSTR_RXF_FRRDF }, - { "my", 0x3b, INSTR_RXF_FRRDF }, - { "mayh", 0x3c, INSTR_RXF_FRRDF }, - { "myh", 0x3d, INSTR_RXF_FRRDF }, - { "ley", 0x64, INSTR_RXY_FRRD }, - { "ldy", 0x65, INSTR_RXY_FRRD }, - { "stey", 0x66, INSTR_RXY_FRRD }, - { "stdy", 0x67, INSTR_RXY_FRRD }, - { "sldt", 0x40, INSTR_RXF_FRRDF }, - { "slxt", 0x48, INSTR_RXF_FRRDF }, - { "srdt", 0x41, INSTR_RXF_FRRDF }, - { "srxt", 0x49, INSTR_RXF_FRRDF }, - { "tdcet", 0x50, INSTR_RXE_FRRD }, - { "tdcdt", 0x54, INSTR_RXE_FRRD }, - { "tdcxt", 0x58, INSTR_RXE_FRRD }, - { "tdget", 0x51, INSTR_RXE_FRRD }, - { "tdgdt", 0x55, INSTR_RXE_FRRD }, - { "tdgxt", 0x59, INSTR_RXE_FRRD }, -#endif - { "ldeb", 0x04, INSTR_RXE_FRRD }, - { "lxdb", 0x05, INSTR_RXE_FRRD }, - { "lxeb", 0x06, INSTR_RXE_FRRD }, - { "mxdb", 0x07, INSTR_RXE_FRRD }, - { "keb", 0x08, INSTR_RXE_FRRD }, - { "ceb", 0x09, INSTR_RXE_FRRD }, - { "aeb", 0x0a, INSTR_RXE_FRRD }, - { "seb", 0x0b, INSTR_RXE_FRRD }, - { "mdeb", 0x0c, INSTR_RXE_FRRD }, - { "deb", 0x0d, INSTR_RXE_FRRD }, - { "maeb", 0x0e, INSTR_RXF_FRRDF }, - { "mseb", 0x0f, INSTR_RXF_FRRDF }, - { "tceb", 0x10, INSTR_RXE_FRRD }, - { "tcdb", 0x11, INSTR_RXE_FRRD }, - { "tcxb", 0x12, INSTR_RXE_FRRD }, - { "sqeb", 0x14, INSTR_RXE_FRRD }, - { "sqdb", 0x15, INSTR_RXE_FRRD }, - { "meeb", 0x17, INSTR_RXE_FRRD }, - { "kdb", 0x18, INSTR_RXE_FRRD }, - { "cdb", 0x19, INSTR_RXE_FRRD }, - { "adb", 0x1a, INSTR_RXE_FRRD }, - { "sdb", 0x1b, INSTR_RXE_FRRD }, - { "mdb", 0x1c, INSTR_RXE_FRRD }, - { "ddb", 0x1d, INSTR_RXE_FRRD }, - { "madb", 0x1e, INSTR_RXF_FRRDF }, - { "msdb", 0x1f, INSTR_RXF_FRRDF }, - { "lde", 0x24, INSTR_RXE_FRRD }, - { "lxd", 0x25, INSTR_RXE_FRRD }, - { "lxe", 0x26, INSTR_RXE_FRRD }, - { "mae", 0x2e, INSTR_RXF_FRRDF }, - { "mse", 0x2f, INSTR_RXF_FRRDF }, - { "sqe", 0x34, INSTR_RXE_FRRD }, - { "sqd", 0x35, INSTR_RXE_FRRD }, - { "mee", 0x37, INSTR_RXE_FRRD }, - { "mad", 0x3e, INSTR_RXF_FRRDF }, - { "msd", 0x3f, INSTR_RXF_FRRDF }, - { "", 0, INSTR_INVALID } -}; - -/* Extracts an operand value from an instruction. */ -static unsigned int extract_operand(unsigned char *code, - const struct operand *operand) -{ - unsigned int val; - int bits; - - /* Extract fragments of the operand byte for byte. */ - code += operand->shift / 8; - bits = (operand->shift & 7) + operand->bits; - val = 0; - do { - val <<= 8; - val |= (unsigned int) *code++; - bits -= 8; - } while (bits > 0); - val >>= -bits; - val &= ((1U << (operand->bits - 1)) << 1) - 1; - - /* Check for special long displacement case. */ - if (operand->bits == 20 && operand->shift == 20) - val = (val & 0xff) << 12 | (val & 0xfff00) >> 8; - - /* Sign extend value if the operand is signed or pc relative. */ - if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) && - (val & (1U << (operand->bits - 1)))) - val |= (-1U << (operand->bits - 1)) << 1; - - /* Double value if the operand is pc relative. */ - if (operand->flags & OPERAND_PCREL) - val <<= 1; - - /* Length x in an instructions has real length x + 1. */ - if (operand->flags & OPERAND_LENGTH) - val++; - return val; -} - -static inline int insn_length(unsigned char code) -{ - return ((((int) code + 64) >> 7) + 1) << 1; -} - -static struct insn *find_insn(unsigned char *code) -{ - unsigned char opfrag = code[1]; - unsigned char opmask; - struct insn *table; - - switch (code[0]) { - case 0x01: - table = opcode_01; - break; - case 0xa5: - table = opcode_a5; - break; - case 0xa7: - table = opcode_a7; - break; - case 0xb2: - table = opcode_b2; - break; - case 0xb3: - table = opcode_b3; - break; - case 0xb9: - table = opcode_b9; - break; - case 0xc0: - table = opcode_c0; - break; - case 0xc2: - table = opcode_c2; - break; - case 0xc4: - table = opcode_c4; - break; - case 0xc6: - table = opcode_c6; - break; - case 0xc8: - table = opcode_c8; - break; - case 0xcc: - table = opcode_cc; - break; - case 0xe3: - table = opcode_e3; - opfrag = code[5]; - break; - case 0xe5: - table = opcode_e5; - break; - case 0xeb: - table = opcode_eb; - opfrag = code[5]; - break; - case 0xec: - table = opcode_ec; - opfrag = code[5]; - break; - case 0xed: - table = opcode_ed; - opfrag = code[5]; - break; - default: - table = opcode; - opfrag = code[0]; - break; - } - while (table->format != INSTR_INVALID) { - opmask = formats[table->format][0]; - if (table->opfrag == (opfrag & opmask)) - return table; - table++; - } - return NULL; -} - -static int print_insn(char *buffer, unsigned char *code, unsigned long addr) -{ - struct insn *insn; - const unsigned char *ops; - const struct operand *operand; - unsigned int value; - char separator; - char *ptr; - int i; - - ptr = buffer; - insn = find_insn(code); - if (insn) { - if (insn->name[0] == '\0') - ptr += sprintf(ptr, "%s\t", - long_insn_name[(int) insn->name[1]]); - else - ptr += sprintf(ptr, "%.5s\t", insn->name); - /* Extract the operands. */ - separator = 0; - for (ops = formats[insn->format] + 1, i = 0; - *ops != 0 && i < 6; ops++, i++) { - operand = operands + *ops; - value = extract_operand(code, operand); - if ((operand->flags & OPERAND_INDEX) && value == 0) - continue; - if ((operand->flags & OPERAND_BASE) && - value == 0 && separator == '(') { - separator = ','; - continue; - } - if (separator) - ptr += sprintf(ptr, "%c", separator); - if (operand->flags & OPERAND_GPR) - ptr += sprintf(ptr, "%%r%i", value); - else if (operand->flags & OPERAND_FPR) - ptr += sprintf(ptr, "%%f%i", value); - else if (operand->flags & OPERAND_AR) - ptr += sprintf(ptr, "%%a%i", value); - else if (operand->flags & OPERAND_CR) - ptr += sprintf(ptr, "%%c%i", value); - else if (operand->flags & OPERAND_PCREL) - ptr += sprintf(ptr, "%lx", (signed int) value - + addr); - else if (operand->flags & OPERAND_SIGNED) - ptr += sprintf(ptr, "%i", value); - else - ptr += sprintf(ptr, "%u", value); - if (operand->flags & OPERAND_DISP) - separator = '('; - else if (operand->flags & OPERAND_BASE) { - ptr += sprintf(ptr, ")"); - separator = ','; - } else - separator = ','; - } - } else - ptr += sprintf(ptr, "unknown"); - return (int) (ptr - buffer); -} - -void show_code(struct pt_regs *regs) -{ - char *mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl"; - unsigned char code[64]; - char buffer[64], *ptr; - mm_segment_t old_fs; - unsigned long addr; - int start, end, opsize, hops, i; - - /* Get a snapshot of the 64 bytes surrounding the fault address. */ - old_fs = get_fs(); - set_fs((regs->psw.mask & PSW_MASK_PSTATE) ? USER_DS : KERNEL_DS); - for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) { - addr = regs->psw.addr - 34 + start; - if (__copy_from_user(code + start - 2, - (char __user *) addr, 2)) - break; - } - for (end = 32; end < 64; end += 2) { - addr = regs->psw.addr + end - 32; - if (__copy_from_user(code + end, - (char __user *) addr, 2)) - break; - } - set_fs(old_fs); - /* Code snapshot useable ? */ - if ((regs->psw.addr & 1) || start >= end) { - printk("%s Code: Bad PSW.\n", mode); - return; - } - /* Find a starting point for the disassembly. */ - while (start < 32) { - for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) { - if (!find_insn(code + start + i)) - break; - i += insn_length(code[start + i]); - } - if (start + i == 32) - /* Looks good, sequence ends at PSW. */ - break; - start += 2; - } - /* Decode the instructions. */ - ptr = buffer; - ptr += sprintf(ptr, "%s Code:", mode); - hops = 0; - while (start < end && hops < 8) { - opsize = insn_length(code[start]); - if (start + opsize == 32) - *ptr++ = '#'; - else if (start == 32) - *ptr++ = '>'; - else - *ptr++ = ' '; - addr = regs->psw.addr + start - 32; - ptr += sprintf(ptr, ONELONG, addr); - if (start + opsize >= end) - break; - for (i = 0; i < opsize; i++) - ptr += sprintf(ptr, "%02x", code[start + i]); - *ptr++ = '\t'; - if (i < 6) - *ptr++ = '\t'; - ptr += print_insn(ptr, code + start, addr); - start += opsize; - printk(buffer); - ptr = buffer; - ptr += sprintf(ptr, "\n "); - hops++; - } - printk("\n"); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/early.c b/ANDROID_3.4.5/arch/s390/kernel/early.c deleted file mode 100644 index 9475e682..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/early.c +++ /dev/null @@ -1,482 +0,0 @@ -/* - * arch/s390/kernel/early.c - * - * Copyright IBM Corp. 2007, 2009 - * Author(s): Hongjie Yang <hongjie@us.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#define KMSG_COMPONENT "setup" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/compiler.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/ftrace.h> -#include <linux/lockdep.h> -#include <linux/module.h> -#include <linux/pfn.h> -#include <linux/uaccess.h> -#include <linux/kernel.h> -#include <asm/ebcdic.h> -#include <asm/ipl.h> -#include <asm/lowcore.h> -#include <asm/processor.h> -#include <asm/sections.h> -#include <asm/setup.h> -#include <asm/sysinfo.h> -#include <asm/cpcmd.h> -#include <asm/sclp.h> -#include <asm/facility.h> -#include "entry.h" - -/* - * Create a Kernel NSS if the SAVESYS= parameter is defined - */ -#define DEFSYS_CMD_SIZE 128 -#define SAVESYS_CMD_SIZE 32 - -char kernel_nss_name[NSS_NAME_SIZE + 1]; - -static void __init setup_boot_command_line(void); - -/* - * Get the TOD clock running. - */ -static void __init reset_tod_clock(void) -{ - u64 time; - - if (store_clock(&time) == 0) - return; - /* TOD clock not running. Set the clock to Unix Epoch. */ - if (set_clock(TOD_UNIX_EPOCH) != 0 || store_clock(&time) != 0) - disabled_wait(0); - - sched_clock_base_cc = TOD_UNIX_EPOCH; - S390_lowcore.last_update_clock = sched_clock_base_cc; -} - -#ifdef CONFIG_SHARED_KERNEL -int __init savesys_ipl_nss(char *cmd, const int cmdlen); - -asm( - " .section .init.text,\"ax\",@progbits\n" - " .align 4\n" - " .type savesys_ipl_nss, @function\n" - "savesys_ipl_nss:\n" -#ifdef CONFIG_64BIT - " stmg 6,15,48(15)\n" - " lgr 14,3\n" - " sam31\n" - " diag 2,14,0x8\n" - " sam64\n" - " lgr 2,14\n" - " lmg 6,15,48(15)\n" -#else - " stm 6,15,24(15)\n" - " lr 14,3\n" - " diag 2,14,0x8\n" - " lr 2,14\n" - " lm 6,15,24(15)\n" -#endif - " br 14\n" - " .size savesys_ipl_nss, .-savesys_ipl_nss\n" - " .previous\n"); - -static __initdata char upper_command_line[COMMAND_LINE_SIZE]; - -static noinline __init void create_kernel_nss(void) -{ - unsigned int i, stext_pfn, eshared_pfn, end_pfn, min_size; -#ifdef CONFIG_BLK_DEV_INITRD - unsigned int sinitrd_pfn, einitrd_pfn; -#endif - int response; - int hlen; - size_t len; - char *savesys_ptr; - char defsys_cmd[DEFSYS_CMD_SIZE]; - char savesys_cmd[SAVESYS_CMD_SIZE]; - - /* Do nothing if we are not running under VM */ - if (!MACHINE_IS_VM) - return; - - /* Convert COMMAND_LINE to upper case */ - for (i = 0; i < strlen(boot_command_line); i++) - upper_command_line[i] = toupper(boot_command_line[i]); - - savesys_ptr = strstr(upper_command_line, "SAVESYS="); - - if (!savesys_ptr) - return; - - savesys_ptr += 8; /* Point to the beginning of the NSS name */ - for (i = 0; i < NSS_NAME_SIZE; i++) { - if (savesys_ptr[i] == ' ' || savesys_ptr[i] == '\0') - break; - kernel_nss_name[i] = savesys_ptr[i]; - } - - stext_pfn = PFN_DOWN(__pa(&_stext)); - eshared_pfn = PFN_DOWN(__pa(&_eshared)); - end_pfn = PFN_UP(__pa(&_end)); - min_size = end_pfn << 2; - - hlen = snprintf(defsys_cmd, DEFSYS_CMD_SIZE, - "DEFSYS %s 00000-%.5X EW %.5X-%.5X SR %.5X-%.5X", - kernel_nss_name, stext_pfn - 1, stext_pfn, - eshared_pfn - 1, eshared_pfn, end_pfn); - -#ifdef CONFIG_BLK_DEV_INITRD - if (INITRD_START && INITRD_SIZE) { - sinitrd_pfn = PFN_DOWN(__pa(INITRD_START)); - einitrd_pfn = PFN_UP(__pa(INITRD_START + INITRD_SIZE)); - min_size = einitrd_pfn << 2; - hlen += snprintf(defsys_cmd + hlen, DEFSYS_CMD_SIZE - hlen, - " EW %.5X-%.5X", sinitrd_pfn, einitrd_pfn); - } -#endif - - snprintf(defsys_cmd + hlen, DEFSYS_CMD_SIZE - hlen, - " EW MINSIZE=%.7iK PARMREGS=0-13", min_size); - defsys_cmd[DEFSYS_CMD_SIZE - 1] = '\0'; - snprintf(savesys_cmd, SAVESYS_CMD_SIZE, "SAVESYS %s \n IPL %s", - kernel_nss_name, kernel_nss_name); - savesys_cmd[SAVESYS_CMD_SIZE - 1] = '\0'; - - __cpcmd(defsys_cmd, NULL, 0, &response); - - if (response != 0) { - pr_err("Defining the Linux kernel NSS failed with rc=%d\n", - response); - kernel_nss_name[0] = '\0'; - return; - } - - len = strlen(savesys_cmd); - ASCEBC(savesys_cmd, len); - response = savesys_ipl_nss(savesys_cmd, len); - - /* On success: response is equal to the command size, - * max SAVESYS_CMD_SIZE - * On error: response contains the numeric portion of cp error message. - * for SAVESYS it will be >= 263 - * for missing privilege class, it will be 1 - */ - if (response > SAVESYS_CMD_SIZE || response == 1) { - pr_err("Saving the Linux kernel NSS failed with rc=%d\n", - response); - kernel_nss_name[0] = '\0'; - return; - } - - /* re-initialize cputime accounting. */ - sched_clock_base_cc = get_clock(); - S390_lowcore.last_update_clock = sched_clock_base_cc; - S390_lowcore.last_update_timer = 0x7fffffffffffffffULL; - S390_lowcore.user_timer = 0; - S390_lowcore.system_timer = 0; - asm volatile("SPT 0(%0)" : : "a" (&S390_lowcore.last_update_timer)); - - /* re-setup boot command line with new ipl vm parms */ - ipl_update_parameters(); - setup_boot_command_line(); - - ipl_flags = IPL_NSS_VALID; -} - -#else /* CONFIG_SHARED_KERNEL */ - -static inline void create_kernel_nss(void) { } - -#endif /* CONFIG_SHARED_KERNEL */ - -/* - * Clear bss memory - */ -static noinline __init void clear_bss_section(void) -{ - memset(__bss_start, 0, __bss_stop - __bss_start); -} - -/* - * Initialize storage key for kernel pages - */ -static noinline __init void init_kernel_storage_key(void) -{ - unsigned long end_pfn, init_pfn; - - end_pfn = PFN_UP(__pa(&_end)); - - for (init_pfn = 0 ; init_pfn < end_pfn; init_pfn++) - page_set_storage_key(init_pfn << PAGE_SHIFT, - PAGE_DEFAULT_KEY, 0); -} - -static __initdata struct sysinfo_3_2_2 vmms __aligned(PAGE_SIZE); - -static noinline __init void detect_machine_type(void) -{ - /* Check current-configuration-level */ - if ((stsi(NULL, 0, 0, 0) >> 28) <= 2) { - S390_lowcore.machine_flags |= MACHINE_FLAG_LPAR; - return; - } - /* Get virtual-machine cpu information. */ - if (stsi(&vmms, 3, 2, 2) == -ENOSYS || !vmms.count) - return; - - /* Running under KVM? If not we assume z/VM */ - if (!memcmp(vmms.vm[0].cpi, "\xd2\xe5\xd4", 3)) - S390_lowcore.machine_flags |= MACHINE_FLAG_KVM; - else - S390_lowcore.machine_flags |= MACHINE_FLAG_VM; -} - -static __init void early_pgm_check_handler(void) -{ - unsigned long addr; - const struct exception_table_entry *fixup; - - addr = S390_lowcore.program_old_psw.addr; - fixup = search_exception_tables(addr & PSW_ADDR_INSN); - if (!fixup) - disabled_wait(0); - S390_lowcore.program_old_psw.addr = fixup->fixup | PSW_ADDR_AMODE; -} - -static noinline __init void setup_lowcore_early(void) -{ - psw_t psw; - - psw.mask = PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA; - psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_ext_handler; - S390_lowcore.external_new_psw = psw; - psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler; - S390_lowcore.program_new_psw = psw; - s390_base_pgm_handler_fn = early_pgm_check_handler; -} - -static noinline __init void setup_facility_list(void) -{ - stfle(S390_lowcore.stfle_fac_list, - ARRAY_SIZE(S390_lowcore.stfle_fac_list)); -} - -static noinline __init void setup_hpage(void) -{ -#ifndef CONFIG_DEBUG_PAGEALLOC - if (!test_facility(2) || !test_facility(8)) - return; - S390_lowcore.machine_flags |= MACHINE_FLAG_HPAGE; - __ctl_set_bit(0, 23); -#endif -} - -static __init void detect_mvpg(void) -{ -#ifndef CONFIG_64BIT - int rc; - - asm volatile( - " la 0,0\n" - " mvpg %2,%2\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "=d" (rc) : "0" (-EOPNOTSUPP), "a" (0) : "memory", "cc", "0"); - if (!rc) - S390_lowcore.machine_flags |= MACHINE_FLAG_MVPG; -#endif -} - -static __init void detect_ieee(void) -{ -#ifndef CONFIG_64BIT - int rc, tmp; - - asm volatile( - " efpc %1,0\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "=d" (rc), "=d" (tmp): "0" (-EOPNOTSUPP) : "cc"); - if (!rc) - S390_lowcore.machine_flags |= MACHINE_FLAG_IEEE; -#endif -} - -static __init void detect_csp(void) -{ -#ifndef CONFIG_64BIT - int rc; - - asm volatile( - " la 0,0\n" - " la 1,0\n" - " la 2,4\n" - " csp 0,2\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "=d" (rc) : "0" (-EOPNOTSUPP) : "cc", "0", "1", "2"); - if (!rc) - S390_lowcore.machine_flags |= MACHINE_FLAG_CSP; -#endif -} - -static __init void detect_diag9c(void) -{ - unsigned int cpu_address; - int rc; - - cpu_address = stap(); - asm volatile( - " diag %2,0,0x9c\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "=d" (rc) : "0" (-EOPNOTSUPP), "d" (cpu_address) : "cc"); - if (!rc) - S390_lowcore.machine_flags |= MACHINE_FLAG_DIAG9C; -} - -static __init void detect_diag44(void) -{ -#ifdef CONFIG_64BIT - int rc; - - asm volatile( - " diag 0,0,0x44\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "=d" (rc) : "0" (-EOPNOTSUPP) : "cc"); - if (!rc) - S390_lowcore.machine_flags |= MACHINE_FLAG_DIAG44; -#endif -} - -static __init void detect_machine_facilities(void) -{ -#ifdef CONFIG_64BIT - if (test_facility(3)) - S390_lowcore.machine_flags |= MACHINE_FLAG_IDTE; - if (test_facility(8)) - S390_lowcore.machine_flags |= MACHINE_FLAG_PFMF; - if (test_facility(11)) - S390_lowcore.machine_flags |= MACHINE_FLAG_TOPOLOGY; - if (test_facility(27)) - S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS; - if (test_facility(40)) - S390_lowcore.machine_flags |= MACHINE_FLAG_SPP; - if (test_facility(25)) - S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF; -#endif -} - -static __init void rescue_initrd(void) -{ -#ifdef CONFIG_BLK_DEV_INITRD - unsigned long min_initrd_addr = (unsigned long) _end + (4UL << 20); - /* - * Just like in case of IPL from VM reader we make sure there is a - * gap of 4MB between end of kernel and start of initrd. - * That way we can also be sure that saving an NSS will succeed, - * which however only requires different segments. - */ - if (!INITRD_START || !INITRD_SIZE) - return; - if (INITRD_START >= min_initrd_addr) - return; - memmove((void *) min_initrd_addr, (void *) INITRD_START, INITRD_SIZE); - INITRD_START = min_initrd_addr; -#endif -} - -/* Set up boot command line */ -static void __init append_to_cmdline(size_t (*ipl_data)(char *, size_t)) -{ - char *parm, *delim; - size_t rc, len; - - len = strlen(boot_command_line); - - delim = boot_command_line + len; /* '\0' character position */ - parm = boot_command_line + len + 1; /* append right after '\0' */ - - rc = ipl_data(parm, COMMAND_LINE_SIZE - len - 1); - if (rc) { - if (*parm == '=') - memmove(boot_command_line, parm + 1, rc); - else - *delim = ' '; /* replace '\0' with space */ - } -} - -static inline int has_ebcdic_char(const char *str) -{ - int i; - - for (i = 0; str[i]; i++) - if (str[i] & 0x80) - return 1; - return 0; -} - -static void __init setup_boot_command_line(void) -{ - COMMAND_LINE[ARCH_COMMAND_LINE_SIZE - 1] = 0; - /* convert arch command line to ascii if necessary */ - if (has_ebcdic_char(COMMAND_LINE)) - EBCASC(COMMAND_LINE, ARCH_COMMAND_LINE_SIZE); - /* copy arch command line */ - strlcpy(boot_command_line, strstrip(COMMAND_LINE), - ARCH_COMMAND_LINE_SIZE); - - /* append IPL PARM data to the boot command line */ - if (MACHINE_IS_VM) - append_to_cmdline(append_ipl_vmparm); - - append_to_cmdline(append_ipl_scpdata); -} - - -/* - * Save ipl parameters, clear bss memory, initialize storage keys - * and create a kernel NSS at startup if the SAVESYS= parm is defined - */ -void __init startup_init(void) -{ - reset_tod_clock(); - ipl_save_parameters(); - rescue_initrd(); - clear_bss_section(); - init_kernel_storage_key(); - lockdep_init(); - lockdep_off(); - sort_main_extable(); - setup_lowcore_early(); - setup_facility_list(); - detect_machine_type(); - ipl_update_parameters(); - setup_boot_command_line(); - create_kernel_nss(); - detect_mvpg(); - detect_ieee(); - detect_csp(); - detect_diag9c(); - detect_diag44(); - detect_machine_facilities(); - setup_hpage(); - sclp_facilities_detect(); - detect_memory_layout(memory_chunk); -#ifdef CONFIG_DYNAMIC_FTRACE - S390_lowcore.ftrace_func = (unsigned long)ftrace_caller; -#endif - lockdep_on(); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/ebcdic.c b/ANDROID_3.4.5/arch/s390/kernel/ebcdic.c deleted file mode 100644 index cc0dc609..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/ebcdic.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * arch/s390/kernel/ebcdic.c - * ECBDIC -> ASCII, ASCII -> ECBDIC, - * upper to lower case (EBCDIC) conversion tables. - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - * Martin Peschke <peschke@fh-brandenburg.de> - */ - -#include <linux/module.h> -#include <asm/types.h> -#include <asm/ebcdic.h> - -/* - * ASCII (IBM PC 437) -> EBCDIC 037 - */ -__u8 _ascebc[256] = -{ - /*00 NUL SOH STX ETX EOT ENQ ACK BEL */ - 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, - /*08 BS HT LF VT FF CR SO SI */ - /* ->NL */ - 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - /*10 DLE DC1 DC2 DC3 DC4 NAK SYN ETB */ - 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, - /*18 CAN EM SUB ESC FS GS RS US */ - /* ->IGS ->IRS ->IUS */ - 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F, - /*20 SP ! " # $ % & ' */ - 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, - /*28 ( ) * + , - . / */ - 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61, - /*30 0 1 2 3 4 5 6 7 */ - 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, - /*38 8 9 : ; < = > ? */ - 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F, - /*40 @ A B C D E F G */ - 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, - /*48 H I J K L M N O */ - 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, - /*50 P Q R S T U V W */ - 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, - /*58 X Y Z [ \ ] ^ _ */ - 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D, - /*60 ` a b c d e f g */ - 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - /*68 h i j k l m n o */ - 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, - /*70 p q r s t u v w */ - 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, - /*78 x y z { | } ~ DL */ - 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07, - /*80*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*88*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*90*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*98*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*A0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*A8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*B0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*B8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*C0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*C8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*D0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*D8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*E0 sz */ - 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*E8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*F0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*F8*/ - 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF -}; - -/* - * EBCDIC 037 -> ASCII (IBM PC 437) - */ -__u8 _ebcasc[256] = -{ - /* 0x00 NUL SOH STX ETX *SEL HT *RNL DEL */ - 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F, - /* 0x08 -GE -SPS -RPT VT FF CR SO SI */ - 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - /* 0x10 DLE DC1 DC2 DC3 -RES -NL BS -POC - -ENP ->LF */ - 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07, - /* 0x18 CAN EM -UBS -CU1 -IFS -IGS -IRS -ITB - -IUS */ - 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, - /* 0x20 -DS -SOS FS -WUS -BYP LF ETB ESC - -INP */ - 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B, - /* 0x28 -SA -SFE -SM -CSP -MFA ENQ ACK BEL - -SW */ - 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07, - /* 0x30 ---- ---- SYN -IR -PP -TRN -NBS EOT */ - 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04, - /* 0x38 -SBS -IT -RFF -CU3 DC4 NAK ---- SUB */ - 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A, - /* 0x40 SP RSP ä ---- */ - 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86, - /* 0x48 . < ( + | */ - 0x87, 0xA4, 0x9B, 0x2E, 0x3C, 0x28, 0x2B, 0x7C, - /* 0x50 & ---- */ - 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07, - /* 0x58 ß ! $ * ) ; */ - 0x8D, 0xE1, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0xAA, - /* 0x60 - / ---- Ä ---- ---- ---- */ - 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F, - /* 0x68 ---- , % _ > ? */ - 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F, - /* 0x70 ---- ---- ---- ---- ---- ---- ---- */ - 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, - /* 0x78 * ` : # @ ' = " */ - 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22, - /* 0x80 * a b c d e f g */ - 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - /* 0x88 h i ---- ---- ---- */ - 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1, - /* 0x90 ° j k l m n o p */ - 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, - /* 0x98 q r ---- ---- */ - 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07, - /* 0xA0 ~ s t u v w x */ - 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, - /* 0xA8 y z ---- ---- ---- ---- */ - 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07, - /* 0xB0 ^ ---- § ---- */ - 0x5E, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC, - /* 0xB8 ---- [ ] ---- ---- ---- ---- */ - 0xAB, 0x07, 0x5B, 0x5D, 0x07, 0x07, 0x07, 0x07, - /* 0xC0 { A B C D E F G */ - 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, - /* 0xC8 H I ---- ö ---- */ - 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07, - /* 0xD0 } J K L M N O P */ - 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, - /* 0xD8 Q R ---- ü */ - 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98, - /* 0xE0 \ S T U V W X */ - 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, - /* 0xE8 Y Z ---- Ö ---- ---- ---- */ - 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07, - /* 0xF0 0 1 2 3 4 5 6 7 */ - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - /* 0xF8 8 9 ---- ---- Ü ---- ---- ---- */ - 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07 -}; - - -/* - * ASCII (IBM PC 437) -> EBCDIC 500 - */ -__u8 _ascebc_500[256] = -{ - /*00 NUL SOH STX ETX EOT ENQ ACK BEL */ - 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, - /*08 BS HT LF VT FF CR SO SI */ - /* ->NL */ - 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - /*10 DLE DC1 DC2 DC3 DC4 NAK SYN ETB */ - 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, - /*18 CAN EM SUB ESC FS GS RS US */ - /* ->IGS ->IRS ->IUS */ - 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F, - /*20 SP ! " # $ % & ' */ - 0x40, 0x4F, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, - /*28 ( ) * + , - . / */ - 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61, - /*30 0 1 2 3 4 5 6 7 */ - 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, - /*38 8 9 : ; < = > ? */ - 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F, - /*40 @ A B C D E F G */ - 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, - /*48 H I J K L M N O */ - 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, - /*50 P Q R S T U V W */ - 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, - /*58 X Y Z [ \ ] ^ _ */ - 0xE7, 0xE8, 0xE9, 0x4A, 0xE0, 0x5A, 0x5F, 0x6D, - /*60 ` a b c d e f g */ - 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - /*68 h i j k l m n o */ - 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, - /*70 p q r s t u v w */ - 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, - /*78 x y z { | } ~ DL */ - 0xA7, 0xA8, 0xA9, 0xC0, 0xBB, 0xD0, 0xA1, 0x07, - /*80*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*88*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*90*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*98*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*A0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*A8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*B0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*B8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*C0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*C8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*D0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*D8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*E0 sz */ - 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*E8*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*F0*/ - 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, - /*F8*/ - 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF -}; - -/* - * EBCDIC 500 -> ASCII (IBM PC 437) - */ -__u8 _ebcasc_500[256] = -{ - /* 0x00 NUL SOH STX ETX *SEL HT *RNL DEL */ - 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F, - /* 0x08 -GE -SPS -RPT VT FF CR SO SI */ - 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - /* 0x10 DLE DC1 DC2 DC3 -RES -NL BS -POC - -ENP ->LF */ - 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07, - /* 0x18 CAN EM -UBS -CU1 -IFS -IGS -IRS -ITB - -IUS */ - 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, - /* 0x20 -DS -SOS FS -WUS -BYP LF ETB ESC - -INP */ - 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B, - /* 0x28 -SA -SFE -SM -CSP -MFA ENQ ACK BEL - -SW */ - 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07, - /* 0x30 ---- ---- SYN -IR -PP -TRN -NBS EOT */ - 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04, - /* 0x38 -SBS -IT -RFF -CU3 DC4 NAK ---- SUB */ - 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A, - /* 0x40 SP RSP ä ---- */ - 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86, - /* 0x48 [ . < ( + ! */ - 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21, - /* 0x50 & ---- */ - 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07, - /* 0x58 ß ] $ * ) ; ^ */ - 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E, - /* 0x60 - / ---- Ä ---- ---- ---- */ - 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F, - /* 0x68 ---- , % _ > ? */ - 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F, - /* 0x70 ---- ---- ---- ---- ---- ---- ---- */ - 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, - /* 0x78 * ` : # @ ' = " */ - 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22, - /* 0x80 * a b c d e f g */ - 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - /* 0x88 h i ---- ---- ---- */ - 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1, - /* 0x90 ° j k l m n o p */ - 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, - /* 0x98 q r ---- ---- */ - 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07, - /* 0xA0 ~ s t u v w x */ - 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, - /* 0xA8 y z ---- ---- ---- ---- */ - 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07, - /* 0xB0 ---- § ---- */ - 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC, - /* 0xB8 ---- | ---- ---- ---- ---- */ - 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07, - /* 0xC0 { A B C D E F G */ - 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, - /* 0xC8 H I ---- ö ---- */ - 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07, - /* 0xD0 } J K L M N O P */ - 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, - /* 0xD8 Q R ---- ü */ - 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98, - /* 0xE0 \ S T U V W X */ - 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, - /* 0xE8 Y Z ---- Ö ---- ---- ---- */ - 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07, - /* 0xF0 0 1 2 3 4 5 6 7 */ - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - /* 0xF8 8 9 ---- ---- Ü ---- ---- ---- */ - 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07 -}; - - -/* - * EBCDIC 037/500 conversion table: - * from upper to lower case - */ -__u8 _ebc_tolower[256] = -{ - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, - 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, - 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, - 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, - 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, - 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, - 0x60, 0x61, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, - 0x48, 0x49, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, - 0x70, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, - 0x58, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, - 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, - 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, - 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9C, 0x9F, - 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, - 0xA8, 0xA9, 0xAA, 0xAB, 0x8C, 0x8D, 0x8E, 0xAF, - 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, - 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, - 0xC0, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, - 0xD0, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, - 0x98, 0x99, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, - 0xE0, 0xE1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, - 0xA8, 0xA9, 0xEA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, - 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, - 0xF8, 0xF9, 0xFA, 0xDB, 0xDC, 0xDD, 0xDE, 0xFF -}; - - -/* - * EBCDIC 037/500 conversion table: - * from lower to upper case - */ -__u8 _ebc_toupper[256] = -{ - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, - 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, - 0x40, 0x41, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - 0x68, 0x69, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, - 0x50, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, - 0x78, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, - 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, - 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, - 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, - 0x80, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, - 0xC8, 0xC9, 0x8A, 0x8B, 0xAC, 0xAD, 0xAE, 0x8F, - 0x90, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, - 0xD8, 0xD9, 0x9A, 0x9B, 0x9E, 0x9D, 0x9E, 0x9F, - 0xA0, 0xA1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, - 0xE8, 0xE9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, - 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, - 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, - 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, - 0xC8, 0xC9, 0xCA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, - 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, - 0xD8, 0xD9, 0xDA, 0xFB, 0xFC, 0xFD, 0xFE, 0xDF, - 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, - 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, - 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, - 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF -}; - -EXPORT_SYMBOL(_ascebc_500); -EXPORT_SYMBOL(_ebcasc_500); -EXPORT_SYMBOL(_ascebc); -EXPORT_SYMBOL(_ebcasc); -EXPORT_SYMBOL(_ebc_tolower); -EXPORT_SYMBOL(_ebc_toupper); - diff --git a/ANDROID_3.4.5/arch/s390/kernel/entry.S b/ANDROID_3.4.5/arch/s390/kernel/entry.S deleted file mode 100644 index 74ee563f..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/entry.S +++ /dev/null @@ -1,967 +0,0 @@ -/* - * arch/s390/kernel/entry.S - * S390 low-level entry points. - * - * Copyright (C) IBM Corp. 1999,2012 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Hartmut Penner (hp@de.ibm.com), - * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), - * Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/cache.h> -#include <asm/errno.h> -#include <asm/ptrace.h> -#include <asm/thread_info.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> -#include <asm/page.h> - -__PT_R0 = __PT_GPRS -__PT_R1 = __PT_GPRS + 4 -__PT_R2 = __PT_GPRS + 8 -__PT_R3 = __PT_GPRS + 12 -__PT_R4 = __PT_GPRS + 16 -__PT_R5 = __PT_GPRS + 20 -__PT_R6 = __PT_GPRS + 24 -__PT_R7 = __PT_GPRS + 28 -__PT_R8 = __PT_GPRS + 32 -__PT_R9 = __PT_GPRS + 36 -__PT_R10 = __PT_GPRS + 40 -__PT_R11 = __PT_GPRS + 44 -__PT_R12 = __PT_GPRS + 48 -__PT_R13 = __PT_GPRS + 524 -__PT_R14 = __PT_GPRS + 56 -__PT_R15 = __PT_GPRS + 60 - -_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ - _TIF_MCCK_PENDING | _TIF_PER_TRAP ) -_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ - _TIF_MCCK_PENDING) -_TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ - _TIF_SYSCALL_TRACEPOINT) - -STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER -STACK_SIZE = 1 << STACK_SHIFT - -#define BASED(name) name-system_call(%r13) - - .macro TRACE_IRQS_ON -#ifdef CONFIG_TRACE_IRQFLAGS - basr %r2,%r0 - l %r1,BASED(.Lhardirqs_on) - basr %r14,%r1 # call trace_hardirqs_on_caller -#endif - .endm - - .macro TRACE_IRQS_OFF -#ifdef CONFIG_TRACE_IRQFLAGS - basr %r2,%r0 - l %r1,BASED(.Lhardirqs_off) - basr %r14,%r1 # call trace_hardirqs_off_caller -#endif - .endm - - .macro LOCKDEP_SYS_EXIT -#ifdef CONFIG_LOCKDEP - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jz .+10 - l %r1,BASED(.Llockdep_sys_exit) - basr %r14,%r1 # call lockdep_sys_exit -#endif - .endm - - .macro CHECK_STACK stacksize,savearea -#ifdef CONFIG_CHECK_STACK - tml %r15,\stacksize - CONFIG_STACK_GUARD - la %r14,\savearea - jz stack_overflow -#endif - .endm - - .macro SWITCH_ASYNC savearea,stack,shift - tmh %r8,0x0001 # interrupting from user ? - jnz 1f - lr %r14,%r9 - sl %r14,BASED(.Lcritical_start) - cl %r14,BASED(.Lcritical_length) - jhe 0f - la %r11,\savearea # inside critical section, do cleanup - bras %r14,cleanup_critical - tmh %r8,0x0001 # retest problem state after cleanup - jnz 1f -0: l %r14,\stack # are we already on the target stack? - slr %r14,%r15 - sra %r14,\shift - jnz 1f - CHECK_STACK 1<<\shift,\savearea - j 2f -1: l %r15,\stack # load target stack -2: ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - .endm - - .macro ADD64 high,low,timer - al \high,\timer - al \low,4+\timer - brc 12,.+8 - ahi \high,1 - .endm - - .macro SUB64 high,low,timer - sl \high,\timer - sl \low,4+\timer - brc 3,.+8 - ahi \high,-1 - .endm - - .macro UPDATE_VTIME high,low,enter_timer - lm \high,\low,__LC_EXIT_TIMER - SUB64 \high,\low,\enter_timer - ADD64 \high,\low,__LC_USER_TIMER - stm \high,\low,__LC_USER_TIMER - lm \high,\low,__LC_LAST_UPDATE_TIMER - SUB64 \high,\low,__LC_EXIT_TIMER - ADD64 \high,\low,__LC_SYSTEM_TIMER - stm \high,\low,__LC_SYSTEM_TIMER - mvc __LC_LAST_UPDATE_TIMER(8),\enter_timer - .endm - - .macro REENABLE_IRQS - st %r8,__LC_RETURN_PSW - ni __LC_RETURN_PSW,0xbf - ssm __LC_RETURN_PSW - .endm - - .section .kprobes.text, "ax" - -/* - * Scheduler resume function, called by switch_to - * gpr2 = (task_struct *) prev - * gpr3 = (task_struct *) next - * Returns: - * gpr2 = prev - */ -ENTRY(__switch_to) - l %r4,__THREAD_info(%r2) # get thread_info of prev - l %r5,__THREAD_info(%r3) # get thread_info of next - tm __TI_flags+3(%r4),_TIF_MCCK_PENDING # machine check pending? - jz 0f - ni __TI_flags+3(%r4),255-_TIF_MCCK_PENDING # clear flag in prev - oi __TI_flags+3(%r5),_TIF_MCCK_PENDING # set it in next -0: stm %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - st %r15,__THREAD_ksp(%r2) # store kernel stack of prev - l %r15,__THREAD_ksp(%r3) # load kernel stack of next - lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 - lm %r6,%r15,__SF_GPRS(%r15) # load gprs of next task - st %r3,__LC_CURRENT # store task struct of next - mvc __LC_CURRENT_PID(4,%r0),__TASK_pid(%r3) # store pid of next - st %r5,__LC_THREAD_INFO # store thread info of next - ahi %r5,STACK_SIZE # end of kernel stack of next - st %r5,__LC_KERNEL_STACK # store end of kernel stack - br %r14 - -__critical_start: -/* - * SVC interrupt handler routine. System calls are synchronous events and - * are executed with interrupts enabled. - */ - -ENTRY(system_call) - stpt __LC_SYNC_ENTER_TIMER -sysc_stm: - stm %r8,%r15,__LC_SAVE_AREA_SYNC - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 -sysc_per: - l %r15,__LC_KERNEL_STACK - ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) # pointer to pt_regs -sysc_vtime: - UPDATE_VTIME %r8,%r9,__LC_SYNC_ENTER_TIMER - stm %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(32,%r11),__LC_SAVE_AREA_SYNC - mvc __PT_PSW(8,%r11),__LC_SVC_OLD_PSW - mvc __PT_INT_CODE(4,%r11),__LC_SVC_ILC -sysc_do_svc: - oi __TI_flags+3(%r12),_TIF_SYSCALL - lh %r8,__PT_INT_CODE+2(%r11) - sla %r8,2 # shift and test for svc0 - jnz sysc_nr_ok - # svc 0: system call number in %r1 - cl %r1,BASED(.Lnr_syscalls) - jnl sysc_nr_ok - sth %r1,__PT_INT_CODE+2(%r11) - lr %r8,%r1 - sla %r8,2 -sysc_nr_ok: - l %r10,BASED(.Lsys_call_table) # 31 bit system call table - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - st %r2,__PT_ORIG_GPR2(%r11) - st %r7,STACK_FRAME_OVERHEAD(%r15) - l %r9,0(%r8,%r10) # get system call addr. - tm __TI_flags+2(%r12),_TIF_TRACE >> 8 - jnz sysc_tracesys - basr %r14,%r9 # call sys_xxxx - st %r2,__PT_R2(%r11) # store return value - -sysc_return: - LOCKDEP_SYS_EXIT -sysc_tif: - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jno sysc_restore - tm __TI_flags+3(%r12),_TIF_WORK_SVC - jnz sysc_work # check for work - ni __TI_flags+3(%r12),255-_TIF_SYSCALL -sysc_restore: - mvc __LC_RETURN_PSW(8),__PT_PSW(%r11) - stpt __LC_EXIT_TIMER - lm %r0,%r15,__PT_R0(%r11) - lpsw __LC_RETURN_PSW -sysc_done: - -# -# One of the work bits is on. Find out which one. -# -sysc_work: - tm __TI_flags+3(%r12),_TIF_MCCK_PENDING - jo sysc_mcck_pending - tm __TI_flags+3(%r12),_TIF_NEED_RESCHED - jo sysc_reschedule - tm __TI_flags+3(%r12),_TIF_SIGPENDING - jo sysc_sigpending - tm __TI_flags+3(%r12),_TIF_NOTIFY_RESUME - jo sysc_notify_resume - tm __TI_flags+3(%r12),_TIF_PER_TRAP - jo sysc_singlestep - j sysc_return # beware of critical section cleanup - -# -# _TIF_NEED_RESCHED is set, call schedule -# -sysc_reschedule: - l %r1,BASED(.Lschedule) - la %r14,BASED(sysc_return) - br %r1 # call schedule - -# -# _TIF_MCCK_PENDING is set, call handler -# -sysc_mcck_pending: - l %r1,BASED(.Lhandle_mcck) - la %r14,BASED(sysc_return) - br %r1 # TIF bit will be cleared by handler - -# -# _TIF_SIGPENDING is set, call do_signal -# -sysc_sigpending: - ni __TI_flags+3(%r12),255-_TIF_PER_TRAP # clear TIF_PER_TRAP - lr %r2,%r11 # pass pointer to pt_regs - l %r1,BASED(.Ldo_signal) - basr %r14,%r1 # call do_signal - tm __TI_flags+3(%r12),_TIF_SYSCALL - jno sysc_return - lm %r2,%r7,__PT_R2(%r11) # load svc arguments - xr %r8,%r8 # svc 0 returns -ENOSYS - clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2) - jnl sysc_nr_ok # invalid svc number -> do svc 0 - lh %r8,__PT_INT_CODE+2(%r11) # load new svc number - sla %r8,2 - j sysc_nr_ok # restart svc - -# -# _TIF_NOTIFY_RESUME is set, call do_notify_resume -# -sysc_notify_resume: - lr %r2,%r11 # pass pointer to pt_regs - l %r1,BASED(.Ldo_notify_resume) - la %r14,BASED(sysc_return) - br %r1 # call do_notify_resume - -# -# _TIF_PER_TRAP is set, call do_per_trap -# -sysc_singlestep: - ni __TI_flags+3(%r12),255-(_TIF_SYSCALL | _TIF_PER_TRAP) - lr %r2,%r11 # pass pointer to pt_regs - l %r1,BASED(.Ldo_per_trap) - la %r14,BASED(sysc_return) - br %r1 # call do_per_trap - -# -# call tracehook_report_syscall_entry/tracehook_report_syscall_exit before -# and after the system call -# -sysc_tracesys: - l %r1,BASED(.Ltrace_enter) - lr %r2,%r11 # pass pointer to pt_regs - la %r3,0 - xr %r0,%r0 - icm %r0,3,__PT_INT_CODE+2(%r11) - st %r0,__PT_R2(%r11) - basr %r14,%r1 # call do_syscall_trace_enter - cl %r2,BASED(.Lnr_syscalls) - jnl sysc_tracenogo - lr %r8,%r2 - sll %r8,2 - l %r9,0(%r8,%r10) -sysc_tracego: - lm %r3,%r7,__PT_R3(%r11) - st %r7,STACK_FRAME_OVERHEAD(%r15) - l %r2,__PT_ORIG_GPR2(%r11) - basr %r14,%r9 # call sys_xxx - st %r2,__PT_R2(%r11) # store return value -sysc_tracenogo: - tm __TI_flags+2(%r12),_TIF_TRACE >> 8 - jz sysc_return - l %r1,BASED(.Ltrace_exit) - lr %r2,%r11 # pass pointer to pt_regs - la %r14,BASED(sysc_return) - br %r1 # call do_syscall_trace_exit - -# -# a new process exits the kernel with ret_from_fork -# -ENTRY(ret_from_fork) - la %r11,STACK_FRAME_OVERHEAD(%r15) - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 - tm __PT_PSW+1(%r11),0x01 # forking a kernel thread ? - jo 0f - st %r15,__PT_R15(%r11) # store stack pointer for new kthread -0: l %r1,BASED(.Lschedule_tail) - basr %r14,%r1 # call schedule_tail - TRACE_IRQS_ON - ssm __LC_SVC_NEW_PSW # reenable interrupts - j sysc_tracenogo - -# -# kernel_execve function needs to deal with pt_regs that is not -# at the usual place -# -ENTRY(kernel_execve) - stm %r12,%r15,48(%r15) - lr %r14,%r15 - l %r13,__LC_SVC_NEW_PSW+4 - ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - st %r14,__SF_BACKCHAIN(%r15) - la %r12,STACK_FRAME_OVERHEAD(%r15) - xc 0(__PT_SIZE,%r12),0(%r12) - l %r1,BASED(.Ldo_execve) - lr %r5,%r12 - basr %r14,%r1 # call do_execve - ltr %r2,%r2 - je 0f - ahi %r15,(STACK_FRAME_OVERHEAD + __PT_SIZE) - lm %r12,%r15,48(%r15) - br %r14 - # execve succeeded. -0: ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - l %r15,__LC_KERNEL_STACK # load ksp - ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - mvc 0(__PT_SIZE,%r11),0(%r12) # copy pt_regs - l %r12,__LC_THREAD_INFO - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - ssm __LC_SVC_NEW_PSW # reenable interrupts - l %r1,BASED(.Lexecve_tail) - basr %r14,%r1 # call execve_tail - j sysc_return - -/* - * Program check handler routine - */ - -ENTRY(pgm_check_handler) - stpt __LC_SYNC_ENTER_TIMER - stm %r8,%r15,__LC_SAVE_AREA_SYNC - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 - lm %r8,%r9,__LC_PGM_OLD_PSW - tmh %r8,0x0001 # test problem state bit - jnz 1f # -> fault in user space - tmh %r8,0x4000 # PER bit set in old PSW ? - jnz 0f # -> enabled, can't be a double fault - tm __LC_PGM_ILC+3,0x80 # check for per exception - jnz pgm_svcper # -> single stepped svc -0: CHECK_STACK STACK_SIZE,__LC_SAVE_AREA_SYNC - j 2f -1: UPDATE_VTIME %r14,%r15,__LC_SYNC_ENTER_TIMER - l %r15,__LC_KERNEL_STACK -2: ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - stm %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(32,%r11),__LC_SAVE_AREA_SYNC - stm %r8,%r9,__PT_PSW(%r11) - mvc __PT_INT_CODE(4,%r11),__LC_PGM_ILC - mvc __PT_INT_PARM_LONG(4,%r11),__LC_TRANS_EXC_CODE - tm __LC_PGM_ILC+3,0x80 # check for per exception - jz 0f - l %r1,__TI_task(%r12) - tmh %r8,0x0001 # kernel per event ? - jz pgm_kprobe - oi __TI_flags+3(%r12),_TIF_PER_TRAP - mvc __THREAD_per_address(4,%r1),__LC_PER_ADDRESS - mvc __THREAD_per_cause(2,%r1),__LC_PER_CAUSE - mvc __THREAD_per_paid(1,%r1),__LC_PER_PAID -0: REENABLE_IRQS - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - l %r1,BASED(.Ljump_table) - la %r10,0x7f - n %r10,__PT_INT_CODE(%r11) - je sysc_return - sll %r10,2 - l %r1,0(%r10,%r1) # load address of handler routine - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # branch to interrupt-handler - j sysc_return - -# -# PER event in supervisor state, must be kprobes -# -pgm_kprobe: - REENABLE_IRQS - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - l %r1,BASED(.Ldo_per_trap) - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # call do_per_trap - j sysc_return - -# -# single stepped system call -# -pgm_svcper: - oi __TI_flags+3(%r12),_TIF_PER_TRAP - mvc __LC_RETURN_PSW(4),__LC_SVC_NEW_PSW - mvc __LC_RETURN_PSW+4(4),BASED(.Lsysc_per) - lpsw __LC_RETURN_PSW # branch to sysc_per and enable irqs - -/* - * IO interrupt handler routine - */ - -ENTRY(io_int_handler) - stck __LC_INT_CLOCK - stpt __LC_ASYNC_ENTER_TIMER - stm %r8,%r15,__LC_SAVE_AREA_ASYNC - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 - lm %r8,%r9,__LC_IO_OLD_PSW - tmh %r8,0x0001 # interrupting from user ? - jz io_skip - UPDATE_VTIME %r14,%r15,__LC_ASYNC_ENTER_TIMER -io_skip: - SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT - stm %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(32,%r11),__LC_SAVE_AREA_ASYNC - stm %r8,%r9,__PT_PSW(%r11) - TRACE_IRQS_OFF - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - l %r1,BASED(.Ldo_IRQ) - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # call do_IRQ -io_return: - LOCKDEP_SYS_EXIT - TRACE_IRQS_ON -io_tif: - tm __TI_flags+3(%r12),_TIF_WORK_INT - jnz io_work # there is work to do (signals etc.) -io_restore: - mvc __LC_RETURN_PSW(8),__PT_PSW(%r11) - stpt __LC_EXIT_TIMER - lm %r0,%r15,__PT_R0(%r11) - lpsw __LC_RETURN_PSW -io_done: - -# -# There is work todo, find out in which context we have been interrupted: -# 1) if we return to user space we can do all _TIF_WORK_INT work -# 2) if we return to kernel code and preemptive scheduling is enabled check -# the preemption counter and if it is zero call preempt_schedule_irq -# Before any work can be done, a switch to the kernel stack is required. -# -io_work: - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jo io_work_user # yes -> do resched & signal -#ifdef CONFIG_PREEMPT - # check for preemptive scheduling - icm %r0,15,__TI_precount(%r12) - jnz io_restore # preemption disabled - tm __TI_flags+3(%r12),_TIF_NEED_RESCHED - jno io_restore - # switch to kernel stack - l %r1,__PT_R15(%r11) - ahi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r1) - lr %r15,%r1 - # TRACE_IRQS_ON already done at io_return, call - # TRACE_IRQS_OFF to keep things symmetrical - TRACE_IRQS_OFF - l %r1,BASED(.Lpreempt_irq) - basr %r14,%r1 # call preempt_schedule_irq - j io_return -#else - j io_restore -#endif - -# -# Need to do work before returning to userspace, switch to kernel stack -# -io_work_user: - l %r1,__LC_KERNEL_STACK - ahi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r1) - lr %r15,%r1 - -# -# One of the work bits is on. Find out which one. -# Checked are: _TIF_SIGPENDING, _TIF_NOTIFY_RESUME, _TIF_NEED_RESCHED -# and _TIF_MCCK_PENDING -# -io_work_tif: - tm __TI_flags+3(%r12),_TIF_MCCK_PENDING - jo io_mcck_pending - tm __TI_flags+3(%r12),_TIF_NEED_RESCHED - jo io_reschedule - tm __TI_flags+3(%r12),_TIF_SIGPENDING - jo io_sigpending - tm __TI_flags+3(%r12),_TIF_NOTIFY_RESUME - jo io_notify_resume - j io_return # beware of critical section cleanup - -# -# _TIF_MCCK_PENDING is set, call handler -# -io_mcck_pending: - # TRACE_IRQS_ON already done at io_return - l %r1,BASED(.Lhandle_mcck) - basr %r14,%r1 # TIF bit will be cleared by handler - TRACE_IRQS_OFF - j io_return - -# -# _TIF_NEED_RESCHED is set, call schedule -# -io_reschedule: - # TRACE_IRQS_ON already done at io_return - l %r1,BASED(.Lschedule) - ssm __LC_SVC_NEW_PSW # reenable interrupts - basr %r14,%r1 # call scheduler - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -# -# _TIF_SIGPENDING is set, call do_signal -# -io_sigpending: - # TRACE_IRQS_ON already done at io_return - l %r1,BASED(.Ldo_signal) - ssm __LC_SVC_NEW_PSW # reenable interrupts - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # call do_signal - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -# -# _TIF_SIGPENDING is set, call do_signal -# -io_notify_resume: - # TRACE_IRQS_ON already done at io_return - l %r1,BASED(.Ldo_notify_resume) - ssm __LC_SVC_NEW_PSW # reenable interrupts - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # call do_notify_resume - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -/* - * External interrupt handler routine - */ - -ENTRY(ext_int_handler) - stck __LC_INT_CLOCK - stpt __LC_ASYNC_ENTER_TIMER - stm %r8,%r15,__LC_SAVE_AREA_ASYNC - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 - lm %r8,%r9,__LC_EXT_OLD_PSW - tmh %r8,0x0001 # interrupting from user ? - jz ext_skip - UPDATE_VTIME %r14,%r15,__LC_ASYNC_ENTER_TIMER -ext_skip: - SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT - stm %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(32,%r11),__LC_SAVE_AREA_ASYNC - stm %r8,%r9,__PT_PSW(%r11) - TRACE_IRQS_OFF - lr %r2,%r11 # pass pointer to pt_regs - l %r3,__LC_EXT_CPU_ADDR # get cpu address + interruption code - l %r4,__LC_EXT_PARAMS # get external parameters - l %r1,BASED(.Ldo_extint) - basr %r14,%r1 # call do_extint - j io_return - -/* - * Load idle PSW. The second "half" of this function is in cleanup_idle. - */ -ENTRY(psw_idle) - st %r4,__SF_EMPTY(%r15) - basr %r1,0 - la %r1,psw_idle_lpsw+4-.(%r1) - st %r1,__SF_EMPTY+4(%r15) - oi __SF_EMPTY+4(%r15),0x80 - la %r1,.Lvtimer_max-psw_idle_lpsw-4(%r1) - stck __IDLE_ENTER(%r2) - ltr %r5,%r5 - stpt __VQ_IDLE_ENTER(%r3) - jz psw_idle_lpsw - spt 0(%r1) -psw_idle_lpsw: - lpsw __SF_EMPTY(%r15) - br %r14 -psw_idle_end: - -__critical_end: - -/* - * Machine check handler routines - */ - -ENTRY(mcck_int_handler) - stck __LC_MCCK_CLOCK - spt __LC_CPU_TIMER_SAVE_AREA # revalidate cpu timer - lm %r0,%r15,__LC_GPREGS_SAVE_AREA # revalidate gprs - l %r12,__LC_THREAD_INFO - l %r13,__LC_SVC_NEW_PSW+4 - lm %r8,%r9,__LC_MCK_OLD_PSW - tm __LC_MCCK_CODE,0x80 # system damage? - jo mcck_panic # yes -> rest of mcck code invalid - la %r14,__LC_CPU_TIMER_SAVE_AREA - mvc __LC_MCCK_ENTER_TIMER(8),0(%r14) - tm __LC_MCCK_CODE+5,0x02 # stored cpu timer value valid? - jo 3f - la %r14,__LC_SYNC_ENTER_TIMER - clc 0(8,%r14),__LC_ASYNC_ENTER_TIMER - jl 0f - la %r14,__LC_ASYNC_ENTER_TIMER -0: clc 0(8,%r14),__LC_EXIT_TIMER - jl 1f - la %r14,__LC_EXIT_TIMER -1: clc 0(8,%r14),__LC_LAST_UPDATE_TIMER - jl 2f - la %r14,__LC_LAST_UPDATE_TIMER -2: spt 0(%r14) - mvc __LC_MCCK_ENTER_TIMER(8),0(%r14) -3: tm __LC_MCCK_CODE+2,0x09 # mwp + ia of old psw valid? - jno mcck_panic # no -> skip cleanup critical - tm %r8,0x0001 # interrupting from user ? - jz mcck_skip - UPDATE_VTIME %r14,%r15,__LC_MCCK_ENTER_TIMER -mcck_skip: - SWITCH_ASYNC __LC_GPREGS_SAVE_AREA+32,__LC_PANIC_STACK,PAGE_SHIFT - mvc __PT_R0(64,%r11),__LC_GPREGS_SAVE_AREA - stm %r8,%r9,__PT_PSW(%r11) - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - l %r1,BASED(.Ldo_machine_check) - lr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # call s390_do_machine_check - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jno mcck_return - l %r1,__LC_KERNEL_STACK # switch to kernel stack - ahi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r15) - lr %r15,%r1 - ssm __LC_PGM_NEW_PSW # turn dat on, keep irqs off - tm __TI_flags+3(%r12),_TIF_MCCK_PENDING - jno mcck_return - TRACE_IRQS_OFF - l %r1,BASED(.Lhandle_mcck) - basr %r14,%r1 # call s390_handle_mcck - TRACE_IRQS_ON -mcck_return: - mvc __LC_RETURN_MCCK_PSW(8),__PT_PSW(%r11) # move return PSW - tm __LC_RETURN_MCCK_PSW+1,0x01 # returning to user ? - jno 0f - lm %r0,%r15,__PT_R0(%r11) - stpt __LC_EXIT_TIMER - lpsw __LC_RETURN_MCCK_PSW -0: lm %r0,%r15,__PT_R0(%r11) - lpsw __LC_RETURN_MCCK_PSW - -mcck_panic: - l %r14,__LC_PANIC_STACK - slr %r14,%r15 - sra %r14,PAGE_SHIFT - jz 0f - l %r15,__LC_PANIC_STACK -0: ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - j mcck_skip - -# -# PSW restart interrupt handler -# -ENTRY(restart_int_handler) - st %r15,__LC_SAVE_AREA_RESTART - l %r15,__LC_RESTART_STACK - ahi %r15,-__PT_SIZE # create pt_regs on stack - xc 0(__PT_SIZE,%r15),0(%r15) - stm %r0,%r14,__PT_R0(%r15) - mvc __PT_R15(4,%r15),__LC_SAVE_AREA_RESTART - mvc __PT_PSW(8,%r15),__LC_RST_OLD_PSW # store restart old psw - ahi %r15,-STACK_FRAME_OVERHEAD # create stack frame on stack - xc 0(STACK_FRAME_OVERHEAD,%r15),0(%r15) - lm %r1,%r3,__LC_RESTART_FN # load fn, parm & source cpu - ltr %r3,%r3 # test source cpu address - jm 1f # negative -> skip source stop -0: sigp %r4,%r3,1 # sigp sense to source cpu - brc 10,0b # wait for status stored -1: basr %r14,%r1 # call function - stap __SF_EMPTY(%r15) # store cpu address - lh %r3,__SF_EMPTY(%r15) -2: sigp %r4,%r3,5 # sigp stop to current cpu - brc 2,2b -3: j 3b - - .section .kprobes.text, "ax" - -#ifdef CONFIG_CHECK_STACK -/* - * The synchronous or the asynchronous stack overflowed. We are dead. - * No need to properly save the registers, we are going to panic anyway. - * Setup a pt_regs so that show_trace can provide a good call trace. - */ -stack_overflow: - l %r15,__LC_PANIC_STACK # change to panic stack - ahi %r15,-__PT_SIZE # create pt_regs - stm %r0,%r7,__PT_R0(%r15) - stm %r8,%r9,__PT_PSW(%r15) - mvc __PT_R8(32,%r11),0(%r14) - lr %r15,%r11 - ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,BASED(1f) - xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) - lr %r2,%r11 # pass pointer to pt_regs - br %r1 # branch to kernel_stack_overflow -1: .long kernel_stack_overflow -#endif - -cleanup_table: - .long system_call + 0x80000000 - .long sysc_do_svc + 0x80000000 - .long sysc_tif + 0x80000000 - .long sysc_restore + 0x80000000 - .long sysc_done + 0x80000000 - .long io_tif + 0x80000000 - .long io_restore + 0x80000000 - .long io_done + 0x80000000 - .long psw_idle + 0x80000000 - .long psw_idle_end + 0x80000000 - -cleanup_critical: - cl %r9,BASED(cleanup_table) # system_call - jl 0f - cl %r9,BASED(cleanup_table+4) # sysc_do_svc - jl cleanup_system_call - cl %r9,BASED(cleanup_table+8) # sysc_tif - jl 0f - cl %r9,BASED(cleanup_table+12) # sysc_restore - jl cleanup_sysc_tif - cl %r9,BASED(cleanup_table+16) # sysc_done - jl cleanup_sysc_restore - cl %r9,BASED(cleanup_table+20) # io_tif - jl 0f - cl %r9,BASED(cleanup_table+24) # io_restore - jl cleanup_io_tif - cl %r9,BASED(cleanup_table+28) # io_done - jl cleanup_io_restore - cl %r9,BASED(cleanup_table+32) # psw_idle - jl 0f - cl %r9,BASED(cleanup_table+36) # psw_idle_end - jl cleanup_idle -0: br %r14 - -cleanup_system_call: - # check if stpt has been executed - cl %r9,BASED(cleanup_system_call_insn) - jh 0f - mvc __LC_SYNC_ENTER_TIMER(8),__LC_ASYNC_ENTER_TIMER - chi %r11,__LC_SAVE_AREA_ASYNC - je 0f - mvc __LC_SYNC_ENTER_TIMER(8),__LC_MCCK_ENTER_TIMER -0: # check if stm has been executed - cl %r9,BASED(cleanup_system_call_insn+4) - jh 0f - mvc __LC_SAVE_AREA_SYNC(32),0(%r11) -0: # set up saved registers r12, and r13 - st %r12,16(%r11) # r12 thread-info pointer - st %r13,20(%r11) # r13 literal-pool pointer - # check if the user time calculation has been done - cl %r9,BASED(cleanup_system_call_insn+8) - jh 0f - l %r10,__LC_EXIT_TIMER - l %r15,__LC_EXIT_TIMER+4 - SUB64 %r10,%r15,__LC_SYNC_ENTER_TIMER - ADD64 %r10,%r15,__LC_USER_TIMER - st %r10,__LC_USER_TIMER - st %r15,__LC_USER_TIMER+4 -0: # check if the system time calculation has been done - cl %r9,BASED(cleanup_system_call_insn+12) - jh 0f - l %r10,__LC_LAST_UPDATE_TIMER - l %r15,__LC_LAST_UPDATE_TIMER+4 - SUB64 %r10,%r15,__LC_EXIT_TIMER - ADD64 %r10,%r15,__LC_SYSTEM_TIMER - st %r10,__LC_SYSTEM_TIMER - st %r15,__LC_SYSTEM_TIMER+4 -0: # update accounting time stamp - mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER - # set up saved register 11 - l %r15,__LC_KERNEL_STACK - ahi %r15,-__PT_SIZE - st %r15,12(%r11) # r11 pt_regs pointer - # fill pt_regs - mvc __PT_R8(32,%r15),__LC_SAVE_AREA_SYNC - stm %r0,%r7,__PT_R0(%r15) - mvc __PT_PSW(8,%r15),__LC_SVC_OLD_PSW - mvc __PT_INT_CODE(4,%r15),__LC_SVC_ILC - # setup saved register 15 - ahi %r15,-STACK_FRAME_OVERHEAD - st %r15,28(%r11) # r15 stack pointer - # set new psw address and exit - l %r9,BASED(cleanup_table+4) # sysc_do_svc + 0x80000000 - br %r14 -cleanup_system_call_insn: - .long system_call + 0x80000000 - .long sysc_stm + 0x80000000 - .long sysc_vtime + 0x80000000 + 36 - .long sysc_vtime + 0x80000000 + 76 - -cleanup_sysc_tif: - l %r9,BASED(cleanup_table+8) # sysc_tif + 0x80000000 - br %r14 - -cleanup_sysc_restore: - cl %r9,BASED(cleanup_sysc_restore_insn) - jhe 0f - l %r9,12(%r11) # get saved pointer to pt_regs - mvc __LC_RETURN_PSW(8),__PT_PSW(%r9) - mvc 0(32,%r11),__PT_R8(%r9) - lm %r0,%r7,__PT_R0(%r9) -0: lm %r8,%r9,__LC_RETURN_PSW - br %r14 -cleanup_sysc_restore_insn: - .long sysc_done - 4 + 0x80000000 - -cleanup_io_tif: - l %r9,BASED(cleanup_table+20) # io_tif + 0x80000000 - br %r14 - -cleanup_io_restore: - cl %r9,BASED(cleanup_io_restore_insn) - jhe 0f - l %r9,12(%r11) # get saved r11 pointer to pt_regs - mvc __LC_RETURN_PSW(8),__PT_PSW(%r9) - mvc 0(32,%r11),__PT_R8(%r9) - lm %r0,%r7,__PT_R0(%r9) -0: lm %r8,%r9,__LC_RETURN_PSW - br %r14 -cleanup_io_restore_insn: - .long io_done - 4 + 0x80000000 - -cleanup_idle: - # copy interrupt clock & cpu timer - mvc __IDLE_EXIT(8,%r2),__LC_INT_CLOCK - mvc __VQ_IDLE_EXIT(8,%r3),__LC_ASYNC_ENTER_TIMER - chi %r11,__LC_SAVE_AREA_ASYNC - je 0f - mvc __IDLE_EXIT(8,%r2),__LC_MCCK_CLOCK - mvc __VQ_IDLE_EXIT(8,%r3),__LC_MCCK_ENTER_TIMER -0: # check if stck has been executed - cl %r9,BASED(cleanup_idle_insn) - jhe 1f - mvc __IDLE_ENTER(8,%r2),__IDLE_EXIT(%r2) - mvc __VQ_IDLE_ENTER(8,%r3),__VQ_IDLE_EXIT(%r3) - j 2f -1: # check if the cpu timer has been reprogrammed - ltr %r5,%r5 - jz 2f - spt __VQ_IDLE_ENTER(%r3) -2: # account system time going idle - lm %r9,%r10,__LC_STEAL_TIMER - ADD64 %r9,%r10,__IDLE_ENTER(%r2) - SUB64 %r9,%r10,__LC_LAST_UPDATE_CLOCK - stm %r9,%r10,__LC_STEAL_TIMER - mvc __LC_LAST_UPDATE_CLOCK(8),__IDLE_EXIT(%r2) - lm %r9,%r10,__LC_SYSTEM_TIMER - ADD64 %r9,%r10,__LC_LAST_UPDATE_TIMER - SUB64 %r9,%r10,__VQ_IDLE_ENTER(%r3) - stm %r9,%r10,__LC_SYSTEM_TIMER - mvc __LC_LAST_UPDATE_TIMER(8),__VQ_IDLE_EXIT(%r3) - # prepare return psw - n %r8,BASED(cleanup_idle_wait) # clear wait state bit - l %r9,24(%r11) # return from psw_idle - br %r14 -cleanup_idle_insn: - .long psw_idle_lpsw + 0x80000000 -cleanup_idle_wait: - .long 0xfffdffff - -/* - * Integer constants - */ - .align 4 -.Lnr_syscalls: - .long NR_syscalls -.Lvtimer_max: - .quad 0x7fffffffffffffff - -/* - * Symbol constants - */ -.Ldo_machine_check: .long s390_do_machine_check -.Lhandle_mcck: .long s390_handle_mcck -.Ldo_IRQ: .long do_IRQ -.Ldo_extint: .long do_extint -.Ldo_signal: .long do_signal -.Ldo_notify_resume: .long do_notify_resume -.Ldo_per_trap: .long do_per_trap -.Ldo_execve: .long do_execve -.Lexecve_tail: .long execve_tail -.Ljump_table: .long pgm_check_table -.Lschedule: .long schedule -#ifdef CONFIG_PREEMPT -.Lpreempt_irq: .long preempt_schedule_irq -#endif -.Ltrace_enter: .long do_syscall_trace_enter -.Ltrace_exit: .long do_syscall_trace_exit -.Lschedule_tail: .long schedule_tail -.Lsys_call_table: .long sys_call_table -.Lsysc_per: .long sysc_per + 0x80000000 -#ifdef CONFIG_TRACE_IRQFLAGS -.Lhardirqs_on: .long trace_hardirqs_on_caller -.Lhardirqs_off: .long trace_hardirqs_off_caller -#endif -#ifdef CONFIG_LOCKDEP -.Llockdep_sys_exit: .long lockdep_sys_exit -#endif -.Lcritical_start: .long __critical_start + 0x80000000 -.Lcritical_length: .long __critical_end - __critical_start - - .section .rodata, "a" -#define SYSCALL(esa,esame,emu) .long esa - .globl sys_call_table -sys_call_table: -#include "syscalls.S" -#undef SYSCALL diff --git a/ANDROID_3.4.5/arch/s390/kernel/entry.h b/ANDROID_3.4.5/arch/s390/kernel/entry.h deleted file mode 100644 index 6cdddac9..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/entry.h +++ /dev/null @@ -1,75 +0,0 @@ -#ifndef _ENTRY_H -#define _ENTRY_H - -#include <linux/types.h> -#include <linux/signal.h> -#include <asm/ptrace.h> -#include <asm/cputime.h> -#include <asm/timer.h> - -extern void (*pgm_check_table[128])(struct pt_regs *); -extern void *restart_stack; - -void system_call(void); -void pgm_check_handler(void); -void ext_int_handler(void); -void io_int_handler(void); -void mcck_int_handler(void); -void restart_int_handler(void); -void restart_call_handler(void); -void psw_idle(struct s390_idle_data *, struct vtimer_queue *, - unsigned long, int); - -asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); -asmlinkage void do_syscall_trace_exit(struct pt_regs *regs); - -void do_protection_exception(struct pt_regs *regs); -void do_dat_exception(struct pt_regs *regs); -void do_asce_exception(struct pt_regs *regs); - -void do_per_trap(struct pt_regs *regs); -void syscall_trace(struct pt_regs *regs, int entryexit); -void kernel_stack_overflow(struct pt_regs * regs); -void do_signal(struct pt_regs *regs); -int handle_signal32(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs); -void do_notify_resume(struct pt_regs *regs); - -struct ext_code; -void do_extint(struct pt_regs *regs, struct ext_code, unsigned int, unsigned long); -void do_restart(void); -void __init startup_init(void); -void die(struct pt_regs *regs, const char *str); - -void __init time_init(void); - -struct s390_mmap_arg_struct; -struct fadvise64_64_args; -struct old_sigaction; - -long sys_mmap2(struct s390_mmap_arg_struct __user *arg); -long sys_s390_ipc(uint call, int first, unsigned long second, - unsigned long third, void __user *ptr); -long sys_s390_personality(unsigned int personality); -long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low, - size_t len, int advice); -long sys_s390_fadvise64_64(struct fadvise64_64_args __user *args); -long sys_s390_fallocate(int fd, int mode, loff_t offset, u32 len_high, - u32 len_low); -long sys_fork(void); -long sys_clone(unsigned long newsp, unsigned long clone_flags, - int __user *parent_tidptr, int __user *child_tidptr); -long sys_vfork(void); -void execve_tail(void); -long sys_execve(const char __user *name, const char __user *const __user *argv, - const char __user *const __user *envp); -long sys_sigsuspend(int history0, int history1, old_sigset_t mask); -long sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction __user *oact); -long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss); -long sys_sigreturn(void); -long sys_rt_sigreturn(void); -long sys32_sigreturn(void); -long sys32_rt_sigreturn(void); - -#endif /* _ENTRY_H */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/entry64.S b/ANDROID_3.4.5/arch/s390/kernel/entry64.S deleted file mode 100644 index 4e1c292f..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/entry64.S +++ /dev/null @@ -1,1030 +0,0 @@ -/* - * arch/s390/kernel/entry64.S - * S390 low-level entry points. - * - * Copyright (C) IBM Corp. 1999,2012 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Hartmut Penner (hp@de.ibm.com), - * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), - * Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/cache.h> -#include <asm/errno.h> -#include <asm/ptrace.h> -#include <asm/thread_info.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> -#include <asm/page.h> - -__PT_R0 = __PT_GPRS -__PT_R1 = __PT_GPRS + 8 -__PT_R2 = __PT_GPRS + 16 -__PT_R3 = __PT_GPRS + 24 -__PT_R4 = __PT_GPRS + 32 -__PT_R5 = __PT_GPRS + 40 -__PT_R6 = __PT_GPRS + 48 -__PT_R7 = __PT_GPRS + 56 -__PT_R8 = __PT_GPRS + 64 -__PT_R9 = __PT_GPRS + 72 -__PT_R10 = __PT_GPRS + 80 -__PT_R11 = __PT_GPRS + 88 -__PT_R12 = __PT_GPRS + 96 -__PT_R13 = __PT_GPRS + 104 -__PT_R14 = __PT_GPRS + 112 -__PT_R15 = __PT_GPRS + 120 - -STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER -STACK_SIZE = 1 << STACK_SHIFT - -_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ - _TIF_MCCK_PENDING | _TIF_PER_TRAP ) -_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ - _TIF_MCCK_PENDING) -_TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ - _TIF_SYSCALL_TRACEPOINT) -_TIF_EXIT_SIE = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING) - -#define BASED(name) name-system_call(%r13) - - .macro TRACE_IRQS_ON -#ifdef CONFIG_TRACE_IRQFLAGS - basr %r2,%r0 - brasl %r14,trace_hardirqs_on_caller -#endif - .endm - - .macro TRACE_IRQS_OFF -#ifdef CONFIG_TRACE_IRQFLAGS - basr %r2,%r0 - brasl %r14,trace_hardirqs_off_caller -#endif - .endm - - .macro LOCKDEP_SYS_EXIT -#ifdef CONFIG_LOCKDEP - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jz .+10 - brasl %r14,lockdep_sys_exit -#endif - .endm - - .macro SPP newpp -#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE) - tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_SPP - jz .+8 - .insn s,0xb2800000,\newpp -#endif - .endm - - .macro HANDLE_SIE_INTERCEPT scratch -#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE) - tm __TI_flags+6(%r12),_TIF_SIE>>8 - jz .+42 - tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_SPP - jz .+8 - .insn s,0xb2800000,BASED(.Lhost_id) # set host id - lgr \scratch,%r9 - slg \scratch,BASED(.Lsie_loop) - clg \scratch,BASED(.Lsie_length) - jhe .+10 - lg %r9,BASED(.Lsie_loop) -#endif - .endm - - .macro CHECK_STACK stacksize,savearea -#ifdef CONFIG_CHECK_STACK - tml %r15,\stacksize - CONFIG_STACK_GUARD - lghi %r14,\savearea - jz stack_overflow -#endif - .endm - - .macro SWITCH_ASYNC savearea,stack,shift - tmhh %r8,0x0001 # interrupting from user ? - jnz 1f - lgr %r14,%r9 - slg %r14,BASED(.Lcritical_start) - clg %r14,BASED(.Lcritical_length) - jhe 0f - lghi %r11,\savearea # inside critical section, do cleanup - brasl %r14,cleanup_critical - tmhh %r8,0x0001 # retest problem state after cleanup - jnz 1f -0: lg %r14,\stack # are we already on the target stack? - slgr %r14,%r15 - srag %r14,%r14,\shift - jnz 1f - CHECK_STACK 1<<\shift,\savearea - j 2f -1: lg %r15,\stack # load target stack -2: aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - .endm - - .macro UPDATE_VTIME scratch,enter_timer - lg \scratch,__LC_EXIT_TIMER - slg \scratch,\enter_timer - alg \scratch,__LC_USER_TIMER - stg \scratch,__LC_USER_TIMER - lg \scratch,__LC_LAST_UPDATE_TIMER - slg \scratch,__LC_EXIT_TIMER - alg \scratch,__LC_SYSTEM_TIMER - stg \scratch,__LC_SYSTEM_TIMER - mvc __LC_LAST_UPDATE_TIMER(8),\enter_timer - .endm - - .macro LAST_BREAK scratch - srag \scratch,%r10,23 - jz .+10 - stg %r10,__TI_last_break(%r12) - .endm - - .macro REENABLE_IRQS - stg %r8,__LC_RETURN_PSW - ni __LC_RETURN_PSW,0xbf - ssm __LC_RETURN_PSW - .endm - - .section .kprobes.text, "ax" - -/* - * Scheduler resume function, called by switch_to - * gpr2 = (task_struct *) prev - * gpr3 = (task_struct *) next - * Returns: - * gpr2 = prev - */ -ENTRY(__switch_to) - lg %r4,__THREAD_info(%r2) # get thread_info of prev - lg %r5,__THREAD_info(%r3) # get thread_info of next - tm __TI_flags+7(%r4),_TIF_MCCK_PENDING # machine check pending? - jz 0f - ni __TI_flags+7(%r4),255-_TIF_MCCK_PENDING # clear flag in prev - oi __TI_flags+7(%r5),_TIF_MCCK_PENDING # set it in next -0: stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev - lg %r15,__THREAD_ksp(%r3) # load kernel stack of next - lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 - lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task - stg %r3,__LC_CURRENT # store task struct of next - mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next - stg %r5,__LC_THREAD_INFO # store thread info of next - aghi %r5,STACK_SIZE # end of kernel stack of next - stg %r5,__LC_KERNEL_STACK # store end of kernel stack - br %r14 - -__critical_start: -/* - * SVC interrupt handler routine. System calls are synchronous events and - * are executed with interrupts enabled. - */ - -ENTRY(system_call) - stpt __LC_SYNC_ENTER_TIMER -sysc_stmg: - stmg %r8,%r15,__LC_SAVE_AREA_SYNC - lg %r10,__LC_LAST_BREAK - lg %r12,__LC_THREAD_INFO - larl %r13,system_call -sysc_per: - lg %r15,__LC_KERNEL_STACK - aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) # pointer to pt_regs -sysc_vtime: - UPDATE_VTIME %r13,__LC_SYNC_ENTER_TIMER - LAST_BREAK %r13 - stmg %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC - mvc __PT_PSW(16,%r11),__LC_SVC_OLD_PSW - mvc __PT_INT_CODE(4,%r11),__LC_SVC_ILC -sysc_do_svc: - oi __TI_flags+7(%r12),_TIF_SYSCALL - llgh %r8,__PT_INT_CODE+2(%r11) - slag %r8,%r8,2 # shift and test for svc 0 - jnz sysc_nr_ok - # svc 0: system call number in %r1 - llgfr %r1,%r1 # clear high word in r1 - cghi %r1,NR_syscalls - jnl sysc_nr_ok - sth %r1,__PT_INT_CODE+2(%r11) - slag %r8,%r1,2 -sysc_nr_ok: - larl %r10,sys_call_table # 64 bit system call table -#ifdef CONFIG_COMPAT - tm __TI_flags+5(%r12),(_TIF_31BIT>>16) - jno sysc_noemu - larl %r10,sys_call_table_emu # 31 bit system call table -sysc_noemu: -#endif - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - stg %r2,__PT_ORIG_GPR2(%r11) - stg %r7,STACK_FRAME_OVERHEAD(%r15) - lgf %r9,0(%r8,%r10) # get system call add. - tm __TI_flags+6(%r12),_TIF_TRACE >> 8 - jnz sysc_tracesys - basr %r14,%r9 # call sys_xxxx - stg %r2,__PT_R2(%r11) # store return value - -sysc_return: - LOCKDEP_SYS_EXIT -sysc_tif: - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jno sysc_restore - tm __TI_flags+7(%r12),_TIF_WORK_SVC - jnz sysc_work # check for work - ni __TI_flags+7(%r12),255-_TIF_SYSCALL -sysc_restore: - lg %r14,__LC_VDSO_PER_CPU - lmg %r0,%r10,__PT_R0(%r11) - mvc __LC_RETURN_PSW(16),__PT_PSW(%r11) - stpt __LC_EXIT_TIMER - mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER - lmg %r11,%r15,__PT_R11(%r11) - lpswe __LC_RETURN_PSW -sysc_done: - -# -# One of the work bits is on. Find out which one. -# -sysc_work: - tm __TI_flags+7(%r12),_TIF_MCCK_PENDING - jo sysc_mcck_pending - tm __TI_flags+7(%r12),_TIF_NEED_RESCHED - jo sysc_reschedule - tm __TI_flags+7(%r12),_TIF_SIGPENDING - jo sysc_sigpending - tm __TI_flags+7(%r12),_TIF_NOTIFY_RESUME - jo sysc_notify_resume - tm __TI_flags+7(%r12),_TIF_PER_TRAP - jo sysc_singlestep - j sysc_return # beware of critical section cleanup - -# -# _TIF_NEED_RESCHED is set, call schedule -# -sysc_reschedule: - larl %r14,sysc_return - jg schedule - -# -# _TIF_MCCK_PENDING is set, call handler -# -sysc_mcck_pending: - larl %r14,sysc_return - jg s390_handle_mcck # TIF bit will be cleared by handler - -# -# _TIF_SIGPENDING is set, call do_signal -# -sysc_sigpending: - ni __TI_flags+7(%r12),255-_TIF_PER_TRAP # clear TIF_PER_TRAP - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,do_signal - tm __TI_flags+7(%r12),_TIF_SYSCALL - jno sysc_return - lmg %r2,%r7,__PT_R2(%r11) # load svc arguments - lghi %r8,0 # svc 0 returns -ENOSYS - lh %r1,__PT_INT_CODE+2(%r11) # load new svc number - cghi %r1,NR_syscalls - jnl sysc_nr_ok # invalid svc number -> do svc 0 - slag %r8,%r1,2 - j sysc_nr_ok # restart svc - -# -# _TIF_NOTIFY_RESUME is set, call do_notify_resume -# -sysc_notify_resume: - lgr %r2,%r11 # pass pointer to pt_regs - larl %r14,sysc_return - jg do_notify_resume - -# -# _TIF_PER_TRAP is set, call do_per_trap -# -sysc_singlestep: - ni __TI_flags+7(%r12),255-(_TIF_SYSCALL | _TIF_PER_TRAP) - lgr %r2,%r11 # pass pointer to pt_regs - larl %r14,sysc_return - jg do_per_trap - -# -# call tracehook_report_syscall_entry/tracehook_report_syscall_exit before -# and after the system call -# -sysc_tracesys: - lgr %r2,%r11 # pass pointer to pt_regs - la %r3,0 - llgh %r0,__PT_INT_CODE+2(%r11) - stg %r0,__PT_R2(%r11) - brasl %r14,do_syscall_trace_enter - lghi %r0,NR_syscalls - clgr %r0,%r2 - jnh sysc_tracenogo - sllg %r8,%r2,2 - lgf %r9,0(%r8,%r10) -sysc_tracego: - lmg %r3,%r7,__PT_R3(%r11) - stg %r7,STACK_FRAME_OVERHEAD(%r15) - lg %r2,__PT_ORIG_GPR2(%r11) - basr %r14,%r9 # call sys_xxx - stg %r2,__PT_R2(%r11) # store return value -sysc_tracenogo: - tm __TI_flags+6(%r12),_TIF_TRACE >> 8 - jz sysc_return - lgr %r2,%r11 # pass pointer to pt_regs - larl %r14,sysc_return - jg do_syscall_trace_exit - -# -# a new process exits the kernel with ret_from_fork -# -ENTRY(ret_from_fork) - la %r11,STACK_FRAME_OVERHEAD(%r15) - lg %r12,__LC_THREAD_INFO - tm __PT_PSW+1(%r11),0x01 # forking a kernel thread ? - jo 0f - stg %r15,__PT_R15(%r11) # store stack pointer for new kthread -0: brasl %r14,schedule_tail - TRACE_IRQS_ON - ssm __LC_SVC_NEW_PSW # reenable interrupts - j sysc_tracenogo - -# -# kernel_execve function needs to deal with pt_regs that is not -# at the usual place -# -ENTRY(kernel_execve) - stmg %r12,%r15,96(%r15) - lgr %r14,%r15 - aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - stg %r14,__SF_BACKCHAIN(%r15) - la %r12,STACK_FRAME_OVERHEAD(%r15) - xc 0(__PT_SIZE,%r12),0(%r12) - lgr %r5,%r12 - brasl %r14,do_execve - ltgfr %r2,%r2 - je 0f - aghi %r15,(STACK_FRAME_OVERHEAD + __PT_SIZE) - lmg %r12,%r15,96(%r15) - br %r14 - # execve succeeded. -0: ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - lg %r15,__LC_KERNEL_STACK # load ksp - aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - mvc 0(__PT_SIZE,%r11),0(%r12) # copy pt_regs - lg %r12,__LC_THREAD_INFO - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - ssm __LC_SVC_NEW_PSW # reenable interrupts - brasl %r14,execve_tail - j sysc_return - -/* - * Program check handler routine - */ - -ENTRY(pgm_check_handler) - stpt __LC_SYNC_ENTER_TIMER - stmg %r8,%r15,__LC_SAVE_AREA_SYNC - lg %r10,__LC_LAST_BREAK - lg %r12,__LC_THREAD_INFO - larl %r13,system_call - lmg %r8,%r9,__LC_PGM_OLD_PSW - HANDLE_SIE_INTERCEPT %r14 - tmhh %r8,0x0001 # test problem state bit - jnz 1f # -> fault in user space - tmhh %r8,0x4000 # PER bit set in old PSW ? - jnz 0f # -> enabled, can't be a double fault - tm __LC_PGM_ILC+3,0x80 # check for per exception - jnz pgm_svcper # -> single stepped svc -0: CHECK_STACK STACK_SIZE,__LC_SAVE_AREA_SYNC - j 2f -1: UPDATE_VTIME %r14,__LC_SYNC_ENTER_TIMER - LAST_BREAK %r14 - lg %r15,__LC_KERNEL_STACK -2: aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - la %r11,STACK_FRAME_OVERHEAD(%r15) - stmg %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC - stmg %r8,%r9,__PT_PSW(%r11) - mvc __PT_INT_CODE(4,%r11),__LC_PGM_ILC - mvc __PT_INT_PARM_LONG(8,%r11),__LC_TRANS_EXC_CODE - stg %r10,__PT_ARGS(%r11) - tm __LC_PGM_ILC+3,0x80 # check for per exception - jz 0f - lg %r1,__TI_task(%r12) - tmhh %r8,0x0001 # kernel per event ? - jz pgm_kprobe - oi __TI_flags+7(%r12),_TIF_PER_TRAP - mvc __THREAD_per_address(8,%r1),__LC_PER_ADDRESS - mvc __THREAD_per_cause(2,%r1),__LC_PER_CAUSE - mvc __THREAD_per_paid(1,%r1),__LC_PER_PAID -0: REENABLE_IRQS - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - larl %r1,pgm_check_table - llgh %r10,__PT_INT_CODE+2(%r11) - nill %r10,0x007f - sll %r10,3 - je sysc_return - lg %r1,0(%r10,%r1) # load address of handler routine - lgr %r2,%r11 # pass pointer to pt_regs - basr %r14,%r1 # branch to interrupt-handler - j sysc_return - -# -# PER event in supervisor state, must be kprobes -# -pgm_kprobe: - REENABLE_IRQS - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,do_per_trap - j sysc_return - -# -# single stepped system call -# -pgm_svcper: - oi __TI_flags+7(%r12),_TIF_PER_TRAP - mvc __LC_RETURN_PSW(8),__LC_SVC_NEW_PSW - larl %r14,sysc_per - stg %r14,__LC_RETURN_PSW+8 - lpswe __LC_RETURN_PSW # branch to sysc_per and enable irqs - -/* - * IO interrupt handler routine - */ -ENTRY(io_int_handler) - stck __LC_INT_CLOCK - stpt __LC_ASYNC_ENTER_TIMER - stmg %r8,%r15,__LC_SAVE_AREA_ASYNC - lg %r10,__LC_LAST_BREAK - lg %r12,__LC_THREAD_INFO - larl %r13,system_call - lmg %r8,%r9,__LC_IO_OLD_PSW - HANDLE_SIE_INTERCEPT %r14 - SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT - tmhh %r8,0x0001 # interrupting from user? - jz io_skip - UPDATE_VTIME %r14,__LC_ASYNC_ENTER_TIMER - LAST_BREAK %r14 -io_skip: - stmg %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(64,%r11),__LC_SAVE_AREA_ASYNC - stmg %r8,%r9,__PT_PSW(%r11) - TRACE_IRQS_OFF - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,do_IRQ -io_return: - LOCKDEP_SYS_EXIT - TRACE_IRQS_ON -io_tif: - tm __TI_flags+7(%r12),_TIF_WORK_INT - jnz io_work # there is work to do (signals etc.) -io_restore: - lg %r14,__LC_VDSO_PER_CPU - lmg %r0,%r10,__PT_R0(%r11) - mvc __LC_RETURN_PSW(16),__PT_PSW(%r11) - stpt __LC_EXIT_TIMER - mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER - lmg %r11,%r15,__PT_R11(%r11) - lpswe __LC_RETURN_PSW -io_done: - -# -# There is work todo, find out in which context we have been interrupted: -# 1) if we return to user space we can do all _TIF_WORK_INT work -# 2) if we return to kernel code and kvm is enabled check if we need to -# modify the psw to leave SIE -# 3) if we return to kernel code and preemptive scheduling is enabled check -# the preemption counter and if it is zero call preempt_schedule_irq -# Before any work can be done, a switch to the kernel stack is required. -# -io_work: - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jo io_work_user # yes -> do resched & signal -#ifdef CONFIG_PREEMPT - # check for preemptive scheduling - icm %r0,15,__TI_precount(%r12) - jnz io_restore # preemption is disabled - tm __TI_flags+7(%r12),_TIF_NEED_RESCHED - jno io_restore - # switch to kernel stack - lg %r1,__PT_R15(%r11) - aghi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r1) - lgr %r15,%r1 - # TRACE_IRQS_ON already done at io_return, call - # TRACE_IRQS_OFF to keep things symmetrical - TRACE_IRQS_OFF - brasl %r14,preempt_schedule_irq - j io_return -#else - j io_restore -#endif - -# -# Need to do work before returning to userspace, switch to kernel stack -# -io_work_user: - lg %r1,__LC_KERNEL_STACK - aghi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r1) - lgr %r15,%r1 - -# -# One of the work bits is on. Find out which one. -# Checked are: _TIF_SIGPENDING, _TIF_NOTIFY_RESUME, _TIF_NEED_RESCHED -# and _TIF_MCCK_PENDING -# -io_work_tif: - tm __TI_flags+7(%r12),_TIF_MCCK_PENDING - jo io_mcck_pending - tm __TI_flags+7(%r12),_TIF_NEED_RESCHED - jo io_reschedule - tm __TI_flags+7(%r12),_TIF_SIGPENDING - jo io_sigpending - tm __TI_flags+7(%r12),_TIF_NOTIFY_RESUME - jo io_notify_resume - j io_return # beware of critical section cleanup - -# -# _TIF_MCCK_PENDING is set, call handler -# -io_mcck_pending: - # TRACE_IRQS_ON already done at io_return - brasl %r14,s390_handle_mcck # TIF bit will be cleared by handler - TRACE_IRQS_OFF - j io_return - -# -# _TIF_NEED_RESCHED is set, call schedule -# -io_reschedule: - # TRACE_IRQS_ON already done at io_return - ssm __LC_SVC_NEW_PSW # reenable interrupts - brasl %r14,schedule # call scheduler - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -# -# _TIF_SIGPENDING or is set, call do_signal -# -io_sigpending: - # TRACE_IRQS_ON already done at io_return - ssm __LC_SVC_NEW_PSW # reenable interrupts - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,do_signal - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -# -# _TIF_NOTIFY_RESUME or is set, call do_notify_resume -# -io_notify_resume: - # TRACE_IRQS_ON already done at io_return - ssm __LC_SVC_NEW_PSW # reenable interrupts - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,do_notify_resume - ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts - TRACE_IRQS_OFF - j io_return - -/* - * External interrupt handler routine - */ -ENTRY(ext_int_handler) - stck __LC_INT_CLOCK - stpt __LC_ASYNC_ENTER_TIMER - stmg %r8,%r15,__LC_SAVE_AREA_ASYNC - lg %r10,__LC_LAST_BREAK - lg %r12,__LC_THREAD_INFO - larl %r13,system_call - lmg %r8,%r9,__LC_EXT_OLD_PSW - HANDLE_SIE_INTERCEPT %r14 - SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT - tmhh %r8,0x0001 # interrupting from user ? - jz ext_skip - UPDATE_VTIME %r14,__LC_ASYNC_ENTER_TIMER - LAST_BREAK %r14 -ext_skip: - stmg %r0,%r7,__PT_R0(%r11) - mvc __PT_R8(64,%r11),__LC_SAVE_AREA_ASYNC - stmg %r8,%r9,__PT_PSW(%r11) - TRACE_IRQS_OFF - lghi %r1,4096 - lgr %r2,%r11 # pass pointer to pt_regs - llgf %r3,__LC_EXT_CPU_ADDR # get cpu address + interruption code - llgf %r4,__LC_EXT_PARAMS # get external parameter - lg %r5,__LC_EXT_PARAMS2-4096(%r1) # get 64 bit external parameter - brasl %r14,do_extint - j io_return - -/* - * Load idle PSW. The second "half" of this function is in cleanup_idle. - */ -ENTRY(psw_idle) - stg %r4,__SF_EMPTY(%r15) - larl %r1,psw_idle_lpsw+4 - stg %r1,__SF_EMPTY+8(%r15) - larl %r1,.Lvtimer_max - stck __IDLE_ENTER(%r2) - ltr %r5,%r5 - stpt __VQ_IDLE_ENTER(%r3) - jz psw_idle_lpsw - spt 0(%r1) -psw_idle_lpsw: - lpswe __SF_EMPTY(%r15) - br %r14 -psw_idle_end: - -__critical_end: - -/* - * Machine check handler routines - */ -ENTRY(mcck_int_handler) - stck __LC_MCCK_CLOCK - la %r1,4095 # revalidate r1 - spt __LC_CPU_TIMER_SAVE_AREA-4095(%r1) # revalidate cpu timer - lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)# revalidate gprs - lg %r10,__LC_LAST_BREAK - lg %r12,__LC_THREAD_INFO - larl %r13,system_call - lmg %r8,%r9,__LC_MCK_OLD_PSW - HANDLE_SIE_INTERCEPT %r14 - tm __LC_MCCK_CODE,0x80 # system damage? - jo mcck_panic # yes -> rest of mcck code invalid - lghi %r14,__LC_CPU_TIMER_SAVE_AREA - mvc __LC_MCCK_ENTER_TIMER(8),0(%r14) - tm __LC_MCCK_CODE+5,0x02 # stored cpu timer value valid? - jo 3f - la %r14,__LC_SYNC_ENTER_TIMER - clc 0(8,%r14),__LC_ASYNC_ENTER_TIMER - jl 0f - la %r14,__LC_ASYNC_ENTER_TIMER -0: clc 0(8,%r14),__LC_EXIT_TIMER - jl 1f - la %r14,__LC_EXIT_TIMER -1: clc 0(8,%r14),__LC_LAST_UPDATE_TIMER - jl 2f - la %r14,__LC_LAST_UPDATE_TIMER -2: spt 0(%r14) - mvc __LC_MCCK_ENTER_TIMER(8),0(%r14) -3: tm __LC_MCCK_CODE+2,0x09 # mwp + ia of old psw valid? - jno mcck_panic # no -> skip cleanup critical - SWITCH_ASYNC __LC_GPREGS_SAVE_AREA+64,__LC_PANIC_STACK,PAGE_SHIFT - tm %r8,0x0001 # interrupting from user ? - jz mcck_skip - UPDATE_VTIME %r14,__LC_MCCK_ENTER_TIMER - LAST_BREAK %r14 -mcck_skip: - lghi %r14,__LC_GPREGS_SAVE_AREA - mvc __PT_R0(128,%r11),0(%r14) - stmg %r8,%r9,__PT_PSW(%r11) - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - lgr %r2,%r11 # pass pointer to pt_regs - brasl %r14,s390_do_machine_check - tm __PT_PSW+1(%r11),0x01 # returning to user ? - jno mcck_return - lg %r1,__LC_KERNEL_STACK # switch to kernel stack - aghi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11) - xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) - la %r11,STACK_FRAME_OVERHEAD(%r1) - lgr %r15,%r1 - ssm __LC_PGM_NEW_PSW # turn dat on, keep irqs off - tm __TI_flags+7(%r12),_TIF_MCCK_PENDING - jno mcck_return - TRACE_IRQS_OFF - brasl %r14,s390_handle_mcck - TRACE_IRQS_ON -mcck_return: - lg %r14,__LC_VDSO_PER_CPU - lmg %r0,%r10,__PT_R0(%r11) - mvc __LC_RETURN_MCCK_PSW(16),__PT_PSW(%r11) # move return PSW - tm __LC_RETURN_MCCK_PSW+1,0x01 # returning to user ? - jno 0f - stpt __LC_EXIT_TIMER - mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER -0: lmg %r11,%r15,__PT_R11(%r11) - lpswe __LC_RETURN_MCCK_PSW - -mcck_panic: - lg %r14,__LC_PANIC_STACK - slgr %r14,%r15 - srag %r14,%r14,PAGE_SHIFT - jz 0f - lg %r15,__LC_PANIC_STACK -0: aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) - j mcck_skip - -# -# PSW restart interrupt handler -# -ENTRY(restart_int_handler) - stg %r15,__LC_SAVE_AREA_RESTART - lg %r15,__LC_RESTART_STACK - aghi %r15,-__PT_SIZE # create pt_regs on stack - xc 0(__PT_SIZE,%r15),0(%r15) - stmg %r0,%r14,__PT_R0(%r15) - mvc __PT_R15(8,%r15),__LC_SAVE_AREA_RESTART - mvc __PT_PSW(16,%r15),__LC_RST_OLD_PSW # store restart old psw - aghi %r15,-STACK_FRAME_OVERHEAD # create stack frame on stack - xc 0(STACK_FRAME_OVERHEAD,%r15),0(%r15) - lmg %r1,%r3,__LC_RESTART_FN # load fn, parm & source cpu - ltgr %r3,%r3 # test source cpu address - jm 1f # negative -> skip source stop -0: sigp %r4,%r3,1 # sigp sense to source cpu - brc 10,0b # wait for status stored -1: basr %r14,%r1 # call function - stap __SF_EMPTY(%r15) # store cpu address - llgh %r3,__SF_EMPTY(%r15) -2: sigp %r4,%r3,5 # sigp stop to current cpu - brc 2,2b -3: j 3b - - .section .kprobes.text, "ax" - -#ifdef CONFIG_CHECK_STACK -/* - * The synchronous or the asynchronous stack overflowed. We are dead. - * No need to properly save the registers, we are going to panic anyway. - * Setup a pt_regs so that show_trace can provide a good call trace. - */ -stack_overflow: - lg %r11,__LC_PANIC_STACK # change to panic stack - aghi %r11,-__PT_SIZE # create pt_regs - stmg %r0,%r7,__PT_R0(%r11) - stmg %r8,%r9,__PT_PSW(%r11) - mvc __PT_R8(64,%r11),0(%r14) - stg %r10,__PT_ORIG_GPR2(%r11) # store last break to orig_gpr2 - lgr %r15,%r11 - aghi %r15,-STACK_FRAME_OVERHEAD - xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - lgr %r2,%r11 # pass pointer to pt_regs - jg kernel_stack_overflow -#endif - - .align 8 -cleanup_table: - .quad system_call - .quad sysc_do_svc - .quad sysc_tif - .quad sysc_restore - .quad sysc_done - .quad io_tif - .quad io_restore - .quad io_done - .quad psw_idle - .quad psw_idle_end - -cleanup_critical: - clg %r9,BASED(cleanup_table) # system_call - jl 0f - clg %r9,BASED(cleanup_table+8) # sysc_do_svc - jl cleanup_system_call - clg %r9,BASED(cleanup_table+16) # sysc_tif - jl 0f - clg %r9,BASED(cleanup_table+24) # sysc_restore - jl cleanup_sysc_tif - clg %r9,BASED(cleanup_table+32) # sysc_done - jl cleanup_sysc_restore - clg %r9,BASED(cleanup_table+40) # io_tif - jl 0f - clg %r9,BASED(cleanup_table+48) # io_restore - jl cleanup_io_tif - clg %r9,BASED(cleanup_table+56) # io_done - jl cleanup_io_restore - clg %r9,BASED(cleanup_table+64) # psw_idle - jl 0f - clg %r9,BASED(cleanup_table+72) # psw_idle_end - jl cleanup_idle -0: br %r14 - - -cleanup_system_call: - # check if stpt has been executed - clg %r9,BASED(cleanup_system_call_insn) - jh 0f - mvc __LC_SYNC_ENTER_TIMER(8),__LC_ASYNC_ENTER_TIMER - cghi %r11,__LC_SAVE_AREA_ASYNC - je 0f - mvc __LC_SYNC_ENTER_TIMER(8),__LC_MCCK_ENTER_TIMER -0: # check if stmg has been executed - clg %r9,BASED(cleanup_system_call_insn+8) - jh 0f - mvc __LC_SAVE_AREA_SYNC(64),0(%r11) -0: # check if base register setup + TIF bit load has been done - clg %r9,BASED(cleanup_system_call_insn+16) - jhe 0f - # set up saved registers r10 and r12 - stg %r10,16(%r11) # r10 last break - stg %r12,32(%r11) # r12 thread-info pointer -0: # check if the user time update has been done - clg %r9,BASED(cleanup_system_call_insn+24) - jh 0f - lg %r15,__LC_EXIT_TIMER - slg %r15,__LC_SYNC_ENTER_TIMER - alg %r15,__LC_USER_TIMER - stg %r15,__LC_USER_TIMER -0: # check if the system time update has been done - clg %r9,BASED(cleanup_system_call_insn+32) - jh 0f - lg %r15,__LC_LAST_UPDATE_TIMER - slg %r15,__LC_EXIT_TIMER - alg %r15,__LC_SYSTEM_TIMER - stg %r15,__LC_SYSTEM_TIMER -0: # update accounting time stamp - mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER - # do LAST_BREAK - lg %r9,16(%r11) - srag %r9,%r9,23 - jz 0f - mvc __TI_last_break(8,%r12),16(%r11) -0: # set up saved register r11 - lg %r15,__LC_KERNEL_STACK - aghi %r15,-__PT_SIZE - stg %r15,24(%r11) # r11 pt_regs pointer - # fill pt_regs - mvc __PT_R8(64,%r15),__LC_SAVE_AREA_SYNC - stmg %r0,%r7,__PT_R0(%r15) - mvc __PT_PSW(16,%r15),__LC_SVC_OLD_PSW - mvc __PT_INT_CODE(4,%r15),__LC_SVC_ILC - # setup saved register r15 - aghi %r15,-STACK_FRAME_OVERHEAD - stg %r15,56(%r11) # r15 stack pointer - # set new psw address and exit - larl %r9,sysc_do_svc - br %r14 -cleanup_system_call_insn: - .quad system_call - .quad sysc_stmg - .quad sysc_per - .quad sysc_vtime+18 - .quad sysc_vtime+42 - -cleanup_sysc_tif: - larl %r9,sysc_tif - br %r14 - -cleanup_sysc_restore: - clg %r9,BASED(cleanup_sysc_restore_insn) - je 0f - lg %r9,24(%r11) # get saved pointer to pt_regs - mvc __LC_RETURN_PSW(16),__PT_PSW(%r9) - mvc 0(64,%r11),__PT_R8(%r9) - lmg %r0,%r7,__PT_R0(%r9) -0: lmg %r8,%r9,__LC_RETURN_PSW - br %r14 -cleanup_sysc_restore_insn: - .quad sysc_done - 4 - -cleanup_io_tif: - larl %r9,io_tif - br %r14 - -cleanup_io_restore: - clg %r9,BASED(cleanup_io_restore_insn) - je 0f - lg %r9,24(%r11) # get saved r11 pointer to pt_regs - mvc __LC_RETURN_PSW(16),__PT_PSW(%r9) - mvc 0(64,%r11),__PT_R8(%r9) - lmg %r0,%r7,__PT_R0(%r9) -0: lmg %r8,%r9,__LC_RETURN_PSW - br %r14 -cleanup_io_restore_insn: - .quad io_done - 4 - -cleanup_idle: - # copy interrupt clock & cpu timer - mvc __IDLE_EXIT(8,%r2),__LC_INT_CLOCK - mvc __VQ_IDLE_EXIT(8,%r3),__LC_ASYNC_ENTER_TIMER - cghi %r11,__LC_SAVE_AREA_ASYNC - je 0f - mvc __IDLE_EXIT(8,%r2),__LC_MCCK_CLOCK - mvc __VQ_IDLE_EXIT(8,%r3),__LC_MCCK_ENTER_TIMER -0: # check if stck & stpt have been executed - clg %r9,BASED(cleanup_idle_insn) - jhe 1f - mvc __IDLE_ENTER(8,%r2),__IDLE_EXIT(%r2) - mvc __VQ_IDLE_ENTER(8,%r3),__VQ_IDLE_EXIT(%r3) - j 2f -1: # check if the cpu timer has been reprogrammed - ltr %r5,%r5 - jz 2f - spt __VQ_IDLE_ENTER(%r3) -2: # account system time going idle - lg %r9,__LC_STEAL_TIMER - alg %r9,__IDLE_ENTER(%r2) - slg %r9,__LC_LAST_UPDATE_CLOCK - stg %r9,__LC_STEAL_TIMER - mvc __LC_LAST_UPDATE_CLOCK(8),__IDLE_EXIT(%r2) - lg %r9,__LC_SYSTEM_TIMER - alg %r9,__LC_LAST_UPDATE_TIMER - slg %r9,__VQ_IDLE_ENTER(%r3) - stg %r9,__LC_SYSTEM_TIMER - mvc __LC_LAST_UPDATE_TIMER(8),__VQ_IDLE_EXIT(%r3) - # prepare return psw - nihh %r8,0xfffd # clear wait state bit - lg %r9,48(%r11) # return from psw_idle - br %r14 -cleanup_idle_insn: - .quad psw_idle_lpsw - -/* - * Integer constants - */ - .align 8 -.Lcritical_start: - .quad __critical_start -.Lcritical_length: - .quad __critical_end - __critical_start -.Lvtimer_max: - .quad 0x7fffffffffffffff - - -#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE) -/* - * sie64a calling convention: - * %r2 pointer to sie control block - * %r3 guest register save area - */ -ENTRY(sie64a) - stmg %r6,%r14,__SF_GPRS(%r15) # save kernel registers - stg %r2,__SF_EMPTY(%r15) # save control block pointer - stg %r3,__SF_EMPTY+8(%r15) # save guest register save area - xc __SF_EMPTY+16(8,%r15),__SF_EMPTY+16(%r15) # host id == 0 - lmg %r0,%r13,0(%r3) # load guest gprs 0-13 - lg %r14,__LC_THREAD_INFO # pointer thread_info struct - oi __TI_flags+6(%r14),_TIF_SIE>>8 -sie_loop: - lg %r14,__LC_THREAD_INFO # pointer thread_info struct - tm __TI_flags+7(%r14),_TIF_EXIT_SIE - jnz sie_exit - lg %r14,__LC_GMAP # get gmap pointer - ltgr %r14,%r14 - jz sie_gmap - lctlg %c1,%c1,__GMAP_ASCE(%r14) # load primary asce -sie_gmap: - lg %r14,__SF_EMPTY(%r15) # get control block pointer - SPP __SF_EMPTY(%r15) # set guest id - sie 0(%r14) -sie_done: - SPP __SF_EMPTY+16(%r15) # set host id - lg %r14,__LC_THREAD_INFO # pointer thread_info struct -sie_exit: - lctlg %c1,%c1,__LC_USER_ASCE # load primary asce - ni __TI_flags+6(%r14),255-(_TIF_SIE>>8) - lg %r14,__SF_EMPTY+8(%r15) # load guest register save area - stmg %r0,%r13,0(%r14) # save guest gprs 0-13 - lmg %r6,%r14,__SF_GPRS(%r15) # restore kernel registers - lghi %r2,0 - br %r14 -sie_fault: - lctlg %c1,%c1,__LC_USER_ASCE # load primary asce - lg %r14,__LC_THREAD_INFO # pointer thread_info struct - ni __TI_flags+6(%r14),255-(_TIF_SIE>>8) - lg %r14,__SF_EMPTY+8(%r15) # load guest register save area - stmg %r0,%r13,0(%r14) # save guest gprs 0-13 - lmg %r6,%r14,__SF_GPRS(%r15) # restore kernel registers - lghi %r2,-EFAULT - br %r14 - - .align 8 -.Lsie_loop: - .quad sie_loop -.Lsie_length: - .quad sie_done - sie_loop -.Lhost_id: - .quad 0 - - .section __ex_table,"a" - .quad sie_loop,sie_fault - .previous -#endif - - .section .rodata, "a" -#define SYSCALL(esa,esame,emu) .long esame - .globl sys_call_table -sys_call_table: -#include "syscalls.S" -#undef SYSCALL - -#ifdef CONFIG_COMPAT - -#define SYSCALL(esa,esame,emu) .long emu -sys_call_table_emu: -#include "syscalls.S" -#undef SYSCALL -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/ftrace.c b/ANDROID_3.4.5/arch/s390/kernel/ftrace.c deleted file mode 100644 index 78bdf0e5..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/ftrace.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Dynamic function tracer architecture backend. - * - * Copyright IBM Corp. 2009 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/hardirq.h> -#include <linux/uaccess.h> -#include <linux/ftrace.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/kprobes.h> -#include <trace/syscall.h> -#include <asm/asm-offsets.h> - -#ifdef CONFIG_64BIT -#define MCOUNT_OFFSET_RET 12 -#else -#define MCOUNT_OFFSET_RET 22 -#endif - -#ifdef CONFIG_DYNAMIC_FTRACE - -void ftrace_disable_code(void); -void ftrace_enable_insn(void); - -#ifdef CONFIG_64BIT -/* - * The 64-bit mcount code looks like this: - * stg %r14,8(%r15) # offset 0 - * > larl %r1,<&counter> # offset 6 - * > brasl %r14,_mcount # offset 12 - * lg %r14,8(%r15) # offset 18 - * Total length is 24 bytes. The middle two instructions of the mcount - * block get overwritten by ftrace_make_nop / ftrace_make_call. - * The 64-bit enabled ftrace code block looks like this: - * stg %r14,8(%r15) # offset 0 - * > lg %r1,__LC_FTRACE_FUNC # offset 6 - * > lgr %r0,%r0 # offset 12 - * > basr %r14,%r1 # offset 16 - * lg %r14,8(%15) # offset 18 - * The return points of the mcount/ftrace function have the same offset 18. - * The 64-bit disable ftrace code block looks like this: - * stg %r14,8(%r15) # offset 0 - * > jg .+18 # offset 6 - * > lgr %r0,%r0 # offset 12 - * > basr %r14,%r1 # offset 16 - * lg %r14,8(%15) # offset 18 - * The jg instruction branches to offset 24 to skip as many instructions - * as possible. - */ -asm( - " .align 4\n" - "ftrace_disable_code:\n" - " jg 0f\n" - " lgr %r0,%r0\n" - " basr %r14,%r1\n" - "0:\n" - " .align 4\n" - "ftrace_enable_insn:\n" - " lg %r1,"__stringify(__LC_FTRACE_FUNC)"\n"); - -#define FTRACE_INSN_SIZE 6 - -#else /* CONFIG_64BIT */ -/* - * The 31-bit mcount code looks like this: - * st %r14,4(%r15) # offset 0 - * > bras %r1,0f # offset 4 - * > .long _mcount # offset 8 - * > .long <&counter> # offset 12 - * > 0: l %r14,0(%r1) # offset 16 - * > l %r1,4(%r1) # offset 20 - * basr %r14,%r14 # offset 24 - * l %r14,4(%r15) # offset 26 - * Total length is 30 bytes. The twenty bytes starting from offset 4 - * to offset 24 get overwritten by ftrace_make_nop / ftrace_make_call. - * The 31-bit enabled ftrace code block looks like this: - * st %r14,4(%r15) # offset 0 - * > l %r14,__LC_FTRACE_FUNC # offset 4 - * > j 0f # offset 8 - * > .fill 12,1,0x07 # offset 12 - * 0: basr %r14,%r14 # offset 24 - * l %r14,4(%r14) # offset 26 - * The return points of the mcount/ftrace function have the same offset 26. - * The 31-bit disabled ftrace code block looks like this: - * st %r14,4(%r15) # offset 0 - * > j .+26 # offset 4 - * > j 0f # offset 8 - * > .fill 12,1,0x07 # offset 12 - * 0: basr %r14,%r14 # offset 24 - * l %r14,4(%r14) # offset 26 - * The j instruction branches to offset 30 to skip as many instructions - * as possible. - */ -asm( - " .align 4\n" - "ftrace_disable_code:\n" - " j 1f\n" - " j 0f\n" - " .fill 12,1,0x07\n" - "0: basr %r14,%r14\n" - "1:\n" - " .align 4\n" - "ftrace_enable_insn:\n" - " l %r14,"__stringify(__LC_FTRACE_FUNC)"\n"); - -#define FTRACE_INSN_SIZE 4 - -#endif /* CONFIG_64BIT */ - - -int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, - unsigned long addr) -{ - if (probe_kernel_write((void *) rec->ip, ftrace_disable_code, - MCOUNT_INSN_SIZE)) - return -EPERM; - return 0; -} - -int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) -{ - if (probe_kernel_write((void *) rec->ip, ftrace_enable_insn, - FTRACE_INSN_SIZE)) - return -EPERM; - return 0; -} - -int ftrace_update_ftrace_func(ftrace_func_t func) -{ - return 0; -} - -int __init ftrace_dyn_arch_init(void *data) -{ - *(unsigned long *) data = 0; - return 0; -} - -#endif /* CONFIG_DYNAMIC_FTRACE */ - -#ifdef CONFIG_FUNCTION_GRAPH_TRACER -/* - * Hook the return address and push it in the stack of return addresses - * in current thread info. - */ -unsigned long __kprobes prepare_ftrace_return(unsigned long parent, - unsigned long ip) -{ - struct ftrace_graph_ent trace; - - if (unlikely(atomic_read(¤t->tracing_graph_pause))) - goto out; - if (ftrace_push_return_trace(parent, ip, &trace.depth, 0) == -EBUSY) - goto out; - trace.func = (ip & PSW_ADDR_INSN) - MCOUNT_OFFSET_RET; - /* Only trace if the calling function expects to. */ - if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; - goto out; - } - parent = (unsigned long) return_to_handler; -out: - return parent; -} - -#ifdef CONFIG_DYNAMIC_FTRACE -/* - * Patch the kernel code at ftrace_graph_caller location. The instruction - * there is branch relative and save to prepare_ftrace_return. To disable - * the call to prepare_ftrace_return we patch the bras offset to point - * directly after the instructions. To enable the call we calculate - * the original offset to prepare_ftrace_return and put it back. - */ -int ftrace_enable_ftrace_graph_caller(void) -{ - unsigned short offset; - - offset = ((void *) prepare_ftrace_return - - (void *) ftrace_graph_caller) / 2; - return probe_kernel_write(ftrace_graph_caller + 2, - &offset, sizeof(offset)); -} - -int ftrace_disable_ftrace_graph_caller(void) -{ - static unsigned short offset = 0x0002; - - return probe_kernel_write(ftrace_graph_caller + 2, - &offset, sizeof(offset)); -} - -#endif /* CONFIG_DYNAMIC_FTRACE */ -#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/head.S b/ANDROID_3.4.5/arch/s390/kernel/head.S deleted file mode 100644 index adccd908..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/head.S +++ /dev/null @@ -1,571 +0,0 @@ -/* - * Copyright IBM Corp. 1999,2010 - * - * Author(s): Hartmut Penner <hp@de.ibm.com> - * Martin Schwidefsky <schwidefsky@de.ibm.com> - * Rob van der Heij <rvdhei@iae.nl> - * Heiko Carstens <heiko.carstens@de.ibm.com> - * - * There are 5 different IPL methods - * 1) load the image directly into ram at address 0 and do an PSW restart - * 2) linload will load the image from address 0x10000 to memory 0x10000 - * and start the code thru LPSW 0x0008000080010000 (VM only, deprecated) - * 3) generate the tape ipl header, store the generated image on a tape - * and ipl from it - * In case of SL tape you need to IPL 5 times to get past VOL1 etc - * 4) generate the vm reader ipl header, move the generated image to the - * VM reader (use option NOH!) and do a ipl from reader (VM only) - * 5) direct call of start by the SALIPL loader - * We use the cpuid to distinguish between VM and native ipl - * params for kernel are pushed to 0x10400 (see setup.h) - * - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> - -#ifdef CONFIG_64BIT -#define ARCH_OFFSET 4 -#else -#define ARCH_OFFSET 0 -#endif - -__HEAD -#ifndef CONFIG_IPL - .org 0 - .long 0x00080000,0x80000000+startup # Just a restart PSW -#else -#ifdef CONFIG_IPL_TAPE -#define IPL_BS 1024 - .org 0 - .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded - .long 0x27000000,0x60000001 # by ipl to addresses 0-23. - .long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs). - .long 0x00000000,0x00000000 # external old psw - .long 0x00000000,0x00000000 # svc old psw - .long 0x00000000,0x00000000 # program check old psw - .long 0x00000000,0x00000000 # machine check old psw - .long 0x00000000,0x00000000 # io old psw - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x000a0000,0x00000058 # external new psw - .long 0x000a0000,0x00000060 # svc new psw - .long 0x000a0000,0x00000068 # program check new psw - .long 0x000a0000,0x00000070 # machine check new psw - .long 0x00080000,0x80000000+.Lioint # io new psw - - .org 0x100 -# -# subroutine for loading from tape -# Parameters: -# R1 = device number -# R2 = load address -.Lloader: - st %r14,.Lldret - la %r3,.Lorbread # r3 = address of orb - la %r5,.Lirb # r5 = address of irb - st %r2,.Lccwread+4 # initialize CCW data addresses - lctl %c6,%c6,.Lcr6 - slr %r2,%r2 -.Lldlp: - la %r6,3 # 3 retries -.Lssch: - ssch 0(%r3) # load chunk of IPL_BS bytes - bnz .Llderr -.Lw4end: - bas %r14,.Lwait4io - tm 8(%r5),0x82 # do we have a problem ? - bnz .Lrecov - slr %r7,%r7 - icm %r7,3,10(%r5) # get residual count - lcr %r7,%r7 - la %r7,IPL_BS(%r7) # IPL_BS-residual=#bytes read - ar %r2,%r7 # add to total size - tm 8(%r5),0x01 # found a tape mark ? - bnz .Ldone - l %r0,.Lccwread+4 # update CCW data addresses - ar %r0,%r7 - st %r0,.Lccwread+4 - b .Lldlp -.Ldone: - l %r14,.Lldret - br %r14 # r2 contains the total size -.Lrecov: - bas %r14,.Lsense # do the sensing - bct %r6,.Lssch # dec. retry count & branch - b .Llderr -# -# Sense subroutine -# -.Lsense: - st %r14,.Lsnsret - la %r7,.Lorbsense - ssch 0(%r7) # start sense command - bnz .Llderr - bas %r14,.Lwait4io - l %r14,.Lsnsret - tm 8(%r5),0x82 # do we have a problem ? - bnz .Llderr - br %r14 -# -# Wait for interrupt subroutine -# -.Lwait4io: - lpsw .Lwaitpsw -.Lioint: - c %r1,0xb8 # compare subchannel number - bne .Lwait4io - tsch 0(%r5) - slr %r0,%r0 - tm 8(%r5),0x82 # do we have a problem ? - bnz .Lwtexit - tm 8(%r5),0x04 # got device end ? - bz .Lwait4io -.Lwtexit: - br %r14 -.Llderr: - lpsw .Lcrash - - .align 8 -.Lorbread: - .long 0x00000000,0x0080ff00,.Lccwread - .align 8 -.Lorbsense: - .long 0x00000000,0x0080ff00,.Lccwsense - .align 8 -.Lccwread: - .long 0x02200000+IPL_BS,0x00000000 -.Lccwsense: - .long 0x04200001,0x00000000 -.Lwaitpsw: - .long 0x020a0000,0x80000000+.Lioint - -.Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 -.Lcr6: .long 0xff000000 - .align 8 -.Lcrash:.long 0x000a0000,0x00000000 -.Lldret:.long 0 -.Lsnsret: .long 0 -#endif /* CONFIG_IPL_TAPE */ - -#ifdef CONFIG_IPL_VM -#define IPL_BS 0x730 - .org 0 - .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded - .long 0x02000018,0x60000050 # by ipl to addresses 0-23. - .long 0x02000068,0x60000050 # (a PSW and two CCWs). - .fill 80-24,1,0x40 # bytes 24-79 are discarded !! - .long 0x020000f0,0x60000050 # The next 160 byte are loaded - .long 0x02000140,0x60000050 # to addresses 0x18-0xb7 - .long 0x02000190,0x60000050 # They form the continuation - .long 0x020001e0,0x60000050 # of the CCW program started - .long 0x02000230,0x60000050 # by ipl and load the range - .long 0x02000280,0x60000050 # 0x0f0-0x730 from the image - .long 0x020002d0,0x60000050 # to the range 0x0f0-0x730 - .long 0x02000320,0x60000050 # in memory. At the end of - .long 0x02000370,0x60000050 # the channel program the PSW - .long 0x020003c0,0x60000050 # at location 0 is loaded. - .long 0x02000410,0x60000050 # Initial processing starts - .long 0x02000460,0x60000050 # at 0xf0 = iplstart. - .long 0x020004b0,0x60000050 - .long 0x02000500,0x60000050 - .long 0x02000550,0x60000050 - .long 0x020005a0,0x60000050 - .long 0x020005f0,0x60000050 - .long 0x02000640,0x60000050 - .long 0x02000690,0x60000050 - .long 0x020006e0,0x20000050 - - .org 0xf0 -# -# subroutine for loading cards from the reader -# -.Lloader: - la %r3,.Lorb # r2 = address of orb into r2 - la %r5,.Lirb # r4 = address of irb - la %r6,.Lccws - la %r7,20 -.Linit: - st %r2,4(%r6) # initialize CCW data addresses - la %r2,0x50(%r2) - la %r6,8(%r6) - bct 7,.Linit - - lctl %c6,%c6,.Lcr6 # set IO subclass mask - slr %r2,%r2 -.Lldlp: - ssch 0(%r3) # load chunk of 1600 bytes - bnz .Llderr -.Lwait4irq: - mvc 0x78(8),.Lnewpsw # set up IO interrupt psw - lpsw .Lwaitpsw -.Lioint: - c %r1,0xb8 # compare subchannel number - bne .Lwait4irq - tsch 0(%r5) - - slr %r0,%r0 - ic %r0,8(%r5) # get device status - chi %r0,8 # channel end ? - be .Lcont - chi %r0,12 # channel end + device end ? - be .Lcont - - l %r0,4(%r5) - s %r0,8(%r3) # r0/8 = number of ccws executed - mhi %r0,10 # *10 = number of bytes in ccws - lh %r3,10(%r5) # get residual count - sr %r0,%r3 # #ccws*80-residual=#bytes read - ar %r2,%r0 - - br %r14 # r2 contains the total size - -.Lcont: - ahi %r2,0x640 # add 0x640 to total size - la %r6,.Lccws - la %r7,20 -.Lincr: - l %r0,4(%r6) # update CCW data addresses - ahi %r0,0x640 - st %r0,4(%r6) - ahi %r6,8 - bct 7,.Lincr - - b .Lldlp -.Llderr: - lpsw .Lcrash - - .align 8 -.Lorb: .long 0x00000000,0x0080ff00,.Lccws -.Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 -.Lcr6: .long 0xff000000 -.Lloadp:.long 0,0 - .align 8 -.Lcrash:.long 0x000a0000,0x00000000 -.Lnewpsw: - .long 0x00080000,0x80000000+.Lioint -.Lwaitpsw: - .long 0x020a0000,0x80000000+.Lioint - - .align 8 -.Lccws: .rept 19 - .long 0x02600050,0x00000000 - .endr - .long 0x02200050,0x00000000 -#endif /* CONFIG_IPL_VM */ - -iplstart: - lh %r1,0xb8 # test if subchannel number - bct %r1,.Lnoload # is valid - l %r1,0xb8 # load ipl subchannel number - la %r2,IPL_BS # load start address - bas %r14,.Lloader # load rest of ipl image - l %r12,.Lparm # pointer to parameter area - st %r1,IPL_DEVICE+ARCH_OFFSET-PARMAREA(%r12) # save ipl device number - -# -# load parameter file from ipl device -# -.Lagain1: - l %r2,.Linitrd # ramdisk loc. is temp - bas %r14,.Lloader # load parameter file - ltr %r2,%r2 # got anything ? - bz .Lnopf - chi %r2,895 - bnh .Lnotrunc - la %r2,895 -.Lnotrunc: - l %r4,.Linitrd - clc 0(3,%r4),.L_hdr # if it is HDRx - bz .Lagain1 # skip dataset header - clc 0(3,%r4),.L_eof # if it is EOFx - bz .Lagain1 # skip dateset trailer - la %r5,0(%r4,%r2) - lr %r3,%r2 - la %r3,COMMAND_LINE-PARMAREA(%r12) # load adr. of command line - mvc 0(256,%r3),0(%r4) - mvc 256(256,%r3),256(%r4) - mvc 512(256,%r3),512(%r4) - mvc 768(122,%r3),768(%r4) - slr %r0,%r0 - b .Lcntlp -.Ldelspc: - ic %r0,0(%r2,%r3) - chi %r0,0x20 # is it a space ? - be .Lcntlp - ahi %r2,1 - b .Leolp -.Lcntlp: - brct %r2,.Ldelspc -.Leolp: - slr %r0,%r0 - stc %r0,0(%r2,%r3) # terminate buffer -.Lnopf: - -# -# load ramdisk from ipl device -# -.Lagain2: - l %r2,.Linitrd # addr of ramdisk - st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) - bas %r14,.Lloader # load ramdisk - st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of rd - ltr %r2,%r2 - bnz .Lrdcont - st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found -.Lrdcont: - l %r2,.Linitrd - - clc 0(3,%r2),.L_hdr # skip HDRx and EOFx - bz .Lagain2 - clc 0(3,%r2),.L_eof - bz .Lagain2 - -#ifdef CONFIG_IPL_VM -# -# reset files in VM reader -# - stidp __LC_SAVE_AREA_SYNC # store cpuid - tm __LC_SAVE_AREA_SYNC,0xff# running VM ? - bno .Lnoreset - la %r2,.Lreset - lhi %r3,26 - diag %r2,%r3,8 - la %r5,.Lirb - stsch 0(%r5) # check if irq is pending - tm 30(%r5),0x0f # by verifying if any of the - bnz .Lwaitforirq # activity or status control - tm 31(%r5),0xff # bits is set in the schib - bz .Lnoreset -.Lwaitforirq: - mvc 0x78(8),.Lrdrnewpsw # set up IO interrupt psw -.Lwaitrdrirq: - lpsw .Lrdrwaitpsw -.Lrdrint: - c %r1,0xb8 # compare subchannel number - bne .Lwaitrdrirq - la %r5,.Lirb - tsch 0(%r5) -.Lnoreset: - b .Lnoload - - .align 8 -.Lrdrnewpsw: - .long 0x00080000,0x80000000+.Lrdrint -.Lrdrwaitpsw: - .long 0x020a0000,0x80000000+.Lrdrint -#endif - -# -# everything loaded, go for it -# -.Lnoload: - l %r1,.Lstartup - br %r1 - -.Linitrd:.long _end # default address of initrd -.Lparm: .long PARMAREA -.Lstartup: .long startup -.Lreset:.byte 0xc3,0xc8,0xc1,0xd5,0xc7,0xc5,0x40,0xd9,0xc4,0xd9,0x40 - .byte 0xc1,0xd3,0xd3,0x40,0xd2,0xc5,0xc5,0xd7,0x40,0xd5,0xd6 - .byte 0xc8,0xd6,0xd3,0xc4 # "change rdr all keep nohold" -.L_eof: .long 0xc5d6c600 /* C'EOF' */ -.L_hdr: .long 0xc8c4d900 /* C'HDR' */ - -#endif /* CONFIG_IPL */ - -# -# SALIPL loader support. Based on a patch by Rob van der Heij. -# This entry point is called directly from the SALIPL loader and -# doesn't need a builtin ipl record. -# - .org 0x800 -ENTRY(start) - stm %r0,%r15,0x07b0 # store registers - basr %r12,%r0 -.base: - l %r11,.parm - l %r8,.cmd # pointer to command buffer - - ltr %r9,%r9 # do we have SALIPL parameters? - bp .sk8x8 - - mvc 0(64,%r8),0x00b0 # copy saved registers - xc 64(240-64,%r8),0(%r8) # remainder of buffer - tr 0(64,%r8),.lowcase - b .gotr -.sk8x8: - mvc 0(240,%r8),0(%r9) # copy iplparms into buffer -.gotr: - slr %r0,%r0 - st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11) - st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11) - j startup # continue with startup -.cmd: .long COMMAND_LINE # address of command line buffer -.parm: .long PARMAREA -.lowcase: - .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 - .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f - .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 - .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f - .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 - .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f - .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 - .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f - .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 - .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f - .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 - .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f - .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 - .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f - .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 - .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f - - .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87 - .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f - .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97 - .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f - .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 - .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf - .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7 - .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf - .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg - .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi - .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop - .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr - .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx - .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz - .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 - .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff - -# -# startup-code at 0x10000, running in absolute addressing mode -# this is called either by the ipl loader or directly by PSW restart -# or linload or SALIPL -# - .org 0x10000 -ENTRY(startup) - j .Lep_startup_normal - .org 0x10008 -# -# This is a list of s390 kernel entry points. At address 0x1000f the number of -# valid entry points is stored. -# -# IMPORTANT: Do not change this table, it is s390 kernel ABI! -# - .ascii "S390EP" - .byte 0x00,0x01 -# -# kdump startup-code at 0x10010, running in 64 bit absolute addressing mode -# - .org 0x10010 -ENTRY(startup_kdump) - j .Lep_startup_kdump -.Lep_startup_normal: - basr %r13,0 # get base -.LPG0: - xc 0x200(256),0x200 # partially clear lowcore - xc 0x300(256),0x300 - xc 0xe00(256),0xe00 - stck __LC_LAST_UPDATE_CLOCK - spt 5f-.LPG0(%r13) - mvc __LC_LAST_UPDATE_TIMER(8),5f-.LPG0(%r13) - xc __LC_STFL_FAC_LIST(8),__LC_STFL_FAC_LIST -#ifndef CONFIG_MARCH_G5 - # check capabilities against MARCH_{G5,Z900,Z990,Z9_109,Z10} - .insn s,0xb2b10000,__LC_STFL_FAC_LIST # store facility list - tm __LC_STFL_FAC_LIST,0x01 # stfle available ? - jz 0f - la %r0,0 - .insn s,0xb2b00000,__LC_STFL_FAC_LIST # store facility list extended -0: l %r0,__LC_STFL_FAC_LIST - n %r0,2f+8-.LPG0(%r13) - cl %r0,2f+8-.LPG0(%r13) - jne 1f - l %r0,__LC_STFL_FAC_LIST+4 - n %r0,2f+12-.LPG0(%r13) - cl %r0,2f+12-.LPG0(%r13) - je 3f -1: l %r15,.Lstack-.LPG0(%r13) - ahi %r15,-96 - la %r2,.Lals_string-.LPG0(%r13) - l %r3,.Lsclp_print-.LPG0(%r13) - basr %r14,%r3 - lpsw 2f-.LPG0(%r13) # machine type not good enough, crash -.Lals_string: - .asciz "The Linux kernel requires more recent processor hardware" -.Lsclp_print: - .long _sclp_print_early -.Lstack: - .long 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER)) - .align 16 -2: .long 0x000a0000,0x8badcccc -#if defined(CONFIG_64BIT) -#if defined(CONFIG_MARCH_Z196) - .long 0xc100efe3, 0xf46c0000 -#elif defined(CONFIG_MARCH_Z10) - .long 0xc100efe3, 0xf0680000 -#elif defined(CONFIG_MARCH_Z9_109) - .long 0xc100efc3, 0x00000000 -#elif defined(CONFIG_MARCH_Z990) - .long 0xc0002000, 0x00000000 -#elif defined(CONFIG_MARCH_Z900) - .long 0xc0000000, 0x00000000 -#endif -#else -#if defined(CONFIG_MARCH_Z196) - .long 0x8100c880, 0x00000000 -#elif defined(CONFIG_MARCH_Z10) - .long 0x8100c880, 0x00000000 -#elif defined(CONFIG_MARCH_Z9_109) - .long 0x8100c880, 0x00000000 -#elif defined(CONFIG_MARCH_Z990) - .long 0x80002000, 0x00000000 -#elif defined(CONFIG_MARCH_Z900) - .long 0x80000000, 0x00000000 -#endif -#endif -3: -#endif - -#ifdef CONFIG_64BIT - mvi __LC_AR_MODE_ID,1 # set esame flag - slr %r0,%r0 # set cpuid to zero - lhi %r1,2 # mode 2 = esame (dump) - sigp %r1,%r0,0x12 # switch to esame mode - sam64 # switch to 64 bit mode - larl %r13,4f - lmh %r0,%r15,0(%r13) # clear high-order half - jg startup_continue -4: .fill 16,4,0x0 -#else - mvi __LC_AR_MODE_ID,0 # set ESA flag (mode 0) - l %r13,4f-.LPG0(%r13) - b 0(%r13) - .align 8 -4: .long startup_continue -#endif - .align 8 -5: .long 0x7fffffff,0xffffffff - -#include "head_kdump.S" - -# -# params at 10400 (setup.h) -# - .org PARMAREA - .long 0,0 # IPL_DEVICE - .long 0,0 # INITRD_START - .long 0,0 # INITRD_SIZE - .long 0,0 # OLDMEM_BASE - .long 0,0 # OLDMEM_SIZE - - .org COMMAND_LINE - .byte "root=/dev/ram0 ro" - .byte 0 - - .org 0x11000 diff --git a/ANDROID_3.4.5/arch/s390/kernel/head31.S b/ANDROID_3.4.5/arch/s390/kernel/head31.S deleted file mode 100644 index d3f1ab7d..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/head31.S +++ /dev/null @@ -1,112 +0,0 @@ -/* - * arch/s390/kernel/head31.S - * - * Copyright (C) IBM Corp. 2005,2010 - * - * Author(s): Hartmut Penner <hp@de.ibm.com> - * Martin Schwidefsky <schwidefsky@de.ibm.com> - * Rob van der Heij <rvdhei@iae.nl> - * Heiko Carstens <heiko.carstens@de.ibm.com> - * - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> - -__HEAD -ENTRY(startup_continue) - basr %r13,0 # get base -.LPG1: - - l %r1,.Lbase_cc-.LPG1(%r13) - mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK - lctl %c0,%c15,.Lctl-.LPG1(%r13) # load control registers - l %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area - # move IPL device to lowcore -# -# Setup stack -# - l %r15,.Linittu-.LPG1(%r13) - st %r15,__LC_THREAD_INFO # cache thread info in lowcore - mvc __LC_CURRENT(4),__TI_task(%r15) - ahi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union+THREAD_SIZE - st %r15,__LC_KERNEL_STACK # set end of kernel stack - ahi %r15,-96 -# -# Save ipl parameters, clear bss memory, initialize storage key for kernel pages, -# and create a kernel NSS if the SAVESYS= parm is defined -# - l %r14,.Lstartup_init-.LPG1(%r13) - basr %r14,%r14 - lpsw .Lentry-.LPG1(13) # jump to _stext in primary-space, - # virtual and never return ... - .align 8 -.Lentry:.long 0x00080000,0x80000000 + _stext -.Lctl: .long 0x04b50000 # cr0: various things - .long 0 # cr1: primary space segment table - .long .Lduct # cr2: dispatchable unit control table - .long 0 # cr3: instruction authorization - .long 0 # cr4: instruction authorization - .long .Lduct # cr5: primary-aste origin - .long 0 # cr6: I/O interrupts - .long 0 # cr7: secondary space segment table - .long 0 # cr8: access registers translation - .long 0 # cr9: tracing off - .long 0 # cr10: tracing off - .long 0 # cr11: tracing off - .long 0 # cr12: tracing off - .long 0 # cr13: home space segment table - .long 0xc0000000 # cr14: machine check handling off - .long 0 # cr15: linkage stack operations -.Lmchunk:.long memory_chunk -.Lbss_bgn: .long __bss_start -.Lbss_end: .long _end -.Lparmaddr: .long PARMAREA -.Linittu: .long init_thread_union -.Lstartup_init: - .long startup_init - .align 64 -.Lduct: .long 0,0,0,0,.Lduald,0,0,0 - .long 0,0,0,0,0,0,0,0 - .align 128 -.Lduald:.rept 8 - .long 0x80000000,0,0,0 # invalid access-list entries - .endr -.Lbase_cc: - .long sched_clock_base_cc - -ENTRY(_ehead) - -#ifdef CONFIG_SHARED_KERNEL - .org 0x100000 - 0x11000 # head.o ends at 0x11000 -#endif - -# -# startup-code, running in absolute addressing mode -# -ENTRY(_stext) - basr %r13,0 # get base -.LPG3: -# check control registers - stctl %c0,%c15,0(%r15) - oi 2(%r15),0x60 # enable sigp emergency & external call - oi 0(%r15),0x10 # switch on low address protection - lctl %c0,%c15,0(%r15) - -# - lam 0,15,.Laregs-.LPG3(%r13) # load access regs needed by uaccess - l %r14,.Lstart-.LPG3(%r13) - basr %r14,%r14 # call start_kernel -# -# We returned from start_kernel ?!? PANIK -# - basr %r13,0 - lpsw .Ldw-.(%r13) # load disabled wait psw -# - .align 8 -.Ldw: .long 0x000a0000,0x00000000 -.Lstart:.long start_kernel -.Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 diff --git a/ANDROID_3.4.5/arch/s390/kernel/head64.S b/ANDROID_3.4.5/arch/s390/kernel/head64.S deleted file mode 100644 index 99348c0e..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/head64.S +++ /dev/null @@ -1,107 +0,0 @@ -/* - * arch/s390/kernel/head64.S - * - * Copyright (C) IBM Corp. 1999,2010 - * - * Author(s): Hartmut Penner <hp@de.ibm.com> - * Martin Schwidefsky <schwidefsky@de.ibm.com> - * Rob van der Heij <rvdhei@iae.nl> - * Heiko Carstens <heiko.carstens@de.ibm.com> - * - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> - -__HEAD -ENTRY(startup_continue) - larl %r1,sched_clock_base_cc - mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK - larl %r13,.LPG1 # get base - lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers - lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area - # move IPL device to lowcore - lghi %r0,__LC_PASTE - stg %r0,__LC_VDSO_PER_CPU -# -# Setup stack -# - larl %r15,init_thread_union - stg %r15,__LC_THREAD_INFO # cache thread info in lowcore - lg %r14,__TI_task(%r15) # cache current in lowcore - stg %r14,__LC_CURRENT - aghi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE - stg %r15,__LC_KERNEL_STACK # set end of kernel stack - aghi %r15,-160 -# -# Save ipl parameters, clear bss memory, initialize storage key for kernel pages, -# and create a kernel NSS if the SAVESYS= parm is defined -# - brasl %r14,startup_init - lpswe .Lentry-.LPG1(13) # jump to _stext in primary-space, - # virtual and never return ... - .align 16 -.LPG1: -.Lentry:.quad 0x0000000180000000,_stext -.Lctl: .quad 0x04040000 # cr0: AFP registers & secondary space - .quad 0 # cr1: primary space segment table - .quad .Lduct # cr2: dispatchable unit control table - .quad 0 # cr3: instruction authorization - .quad 0 # cr4: instruction authorization - .quad .Lduct # cr5: primary-aste origin - .quad 0 # cr6: I/O interrupts - .quad 0 # cr7: secondary space segment table - .quad 0 # cr8: access registers translation - .quad 0 # cr9: tracing off - .quad 0 # cr10: tracing off - .quad 0 # cr11: tracing off - .quad 0 # cr12: tracing off - .quad 0 # cr13: home space segment table - .quad 0xc0000000 # cr14: machine check handling off - .quad 0 # cr15: linkage stack operations -.Lpcmsk:.quad 0x0000000180000000 -.L4malign:.quad 0xffffffffffc00000 -.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 -.Lnop: .long 0x07000700 -.Lparmaddr: - .quad PARMAREA - .align 64 -.Lduct: .long 0,0,0,0,.Lduald,0,0,0 - .long 0,0,0,0,0,0,0,0 - .align 128 -.Lduald:.rept 8 - .long 0x80000000,0,0,0 # invalid access-list entries - .endr - -ENTRY(_ehead) - -#ifdef CONFIG_SHARED_KERNEL - .org 0x100000 - 0x11000 # head.o ends at 0x11000 -#endif - -# -# startup-code, running in absolute addressing mode -# -ENTRY(_stext) - basr %r13,0 # get base -.LPG3: -# check control registers - stctg %c0,%c15,0(%r15) - oi 6(%r15),0x60 # enable sigp emergency & external call - oi 4(%r15),0x10 # switch on low address proctection - lctlg %c0,%c15,0(%r15) - - lam 0,15,.Laregs-.LPG3(%r13) # load acrs needed by uaccess - brasl %r14,start_kernel # go to C code -# -# We returned from start_kernel ?!? PANIK -# - basr %r13,0 - lpswe .Ldw-.(%r13) # load disabled wait psw - - .align 8 -.Ldw: .quad 0x0002000180000000,0x0000000000000000 -.Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 diff --git a/ANDROID_3.4.5/arch/s390/kernel/head_kdump.S b/ANDROID_3.4.5/arch/s390/kernel/head_kdump.S deleted file mode 100644 index e1ac3893..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/head_kdump.S +++ /dev/null @@ -1,119 +0,0 @@ -/* - * S390 kdump lowlevel functions (new kernel) - * - * Copyright IBM Corp. 2011 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#define DATAMOVER_ADDR 0x4000 -#define COPY_PAGE_ADDR 0x6000 - -#ifdef CONFIG_CRASH_DUMP - -# -# kdump entry (new kernel - not yet relocated) -# -# Note: This code has to be position independent -# - -.align 2 -.Lep_startup_kdump: - lhi %r1,2 # mode 2 = esame (dump) - sigp %r1,%r0,0x12 # Switch to esame mode - sam64 # Switch to 64 bit addressing - basr %r13,0 -.Lbase: - larl %r2,.Lbase_addr # Check, if we have been - lg %r2,0(%r2) # already relocated: - clgr %r2,%r13 # - jne .Lrelocate # No : Start data mover - lghi %r2,0 # Yes: Start kdump kernel - brasl %r14,startup_kdump_relocated - -.Lrelocate: - larl %r4,startup - lg %r2,0x418(%r4) # Get kdump base - lg %r3,0x420(%r4) # Get kdump size - - larl %r10,.Lcopy_start # Source of data mover - lghi %r8,DATAMOVER_ADDR # Target of data mover - mvc 0(256,%r8),0(%r10) # Copy data mover code - - agr %r8,%r2 # Copy data mover to - mvc 0(256,%r8),0(%r10) # reserved mem - - lghi %r14,DATAMOVER_ADDR # Jump to copied data mover - basr %r14,%r14 -.Lbase_addr: - .quad .Lbase - -# -# kdump data mover code (runs at address DATAMOVER_ADDR) -# -# r2: kdump base address -# r3: kdump size -# -.Lcopy_start: - basr %r13,0 # Base -0: - lgr %r11,%r2 # Save kdump base address - lgr %r12,%r2 - agr %r12,%r3 # Compute kdump end address - - lghi %r5,0 - lghi %r10,COPY_PAGE_ADDR # Load copy page address -1: - mvc 0(256,%r10),0(%r5) # Copy old kernel to tmp - mvc 0(256,%r5),0(%r11) # Copy new kernel to old - mvc 0(256,%r11),0(%r10) # Copy tmp to new - aghi %r11,256 - aghi %r5,256 - clgr %r11,%r12 - jl 1b - - lg %r14,.Lstartup_kdump-0b(%r13) - basr %r14,%r14 # Start relocated kernel -.Lstartup_kdump: - .long 0x00000000,0x00000000 + startup_kdump_relocated -.Lcopy_end: - -# -# Startup of kdump (relocated new kernel) -# -.align 2 -startup_kdump_relocated: - basr %r13,0 -0: - mvc 0(8,%r0),.Lrestart_psw-0b(%r13) # Setup restart PSW - mvc 464(16,%r0),.Lpgm_psw-0b(%r13) # Setup pgm check PSW - lhi %r1,1 # Start new kernel - diag %r1,%r1,0x308 # with diag 308 - -.Lno_diag308: # No diag 308 - sam31 # Switch to 31 bit addr mode - sr %r1,%r1 # Erase register r1 - sr %r2,%r2 # Erase register r2 - sigp %r1,%r2,0x12 # Switch to 31 bit arch mode - lpsw 0 # Start new kernel... -.align 8 -.Lrestart_psw: - .long 0x00080000,0x80000000 + startup -.Lpgm_psw: - .quad 0x0000000180000000,0x0000000000000000 + .Lno_diag308 -#else -.align 2 -.Lep_startup_kdump: -#ifdef CONFIG_64BIT - larl %r13,startup_kdump_crash - lpswe 0(%r13) -.align 8 -startup_kdump_crash: - .quad 0x0002000080000000,0x0000000000000000 + startup_kdump_crash -#else - basr %r13,0 -0: lpsw startup_kdump_crash-0b(%r13) -.align 8 -startup_kdump_crash: - .long 0x000a0000,0x00000000 + startup_kdump_crash -#endif /* CONFIG_64BIT */ -#endif /* CONFIG_CRASH_DUMP */ diff --git a/ANDROID_3.4.5/arch/s390/kernel/init_task.c b/ANDROID_3.4.5/arch/s390/kernel/init_task.c deleted file mode 100644 index 4d1c9fb0..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/init_task.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * arch/s390/kernel/init_task.c - * - * S390 version - * - * Derived from "arch/i386/kernel/init_task.c" - */ - -#include <linux/mm.h> -#include <linux/fs.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/init_task.h> -#include <linux/mqueue.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -/* - * Initial thread structure. - * - * We need to make sure that this is THREAD_SIZE aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); diff --git a/ANDROID_3.4.5/arch/s390/kernel/ipl.c b/ANDROID_3.4.5/arch/s390/kernel/ipl.c deleted file mode 100644 index 8342e65a..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/ipl.c +++ /dev/null @@ -1,2069 +0,0 @@ -/* - * arch/s390/kernel/ipl.c - * ipl/reipl/dump support for Linux on s390. - * - * Copyright IBM Corp. 2005,2012 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - * Heiko Carstens <heiko.carstens@de.ibm.com> - * Volker Sameske <sameske@de.ibm.com> - */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/ctype.h> -#include <linux/fs.h> -#include <linux/gfp.h> -#include <linux/crash_dump.h> -#include <linux/debug_locks.h> -#include <asm/ipl.h> -#include <asm/smp.h> -#include <asm/setup.h> -#include <asm/cpcmd.h> -#include <asm/cio.h> -#include <asm/ebcdic.h> -#include <asm/reset.h> -#include <asm/sclp.h> -#include <asm/checksum.h> -#include <asm/debug.h> -#include <asm/os_info.h> -#include "entry.h" - -#define IPL_PARM_BLOCK_VERSION 0 - -#define IPL_UNKNOWN_STR "unknown" -#define IPL_CCW_STR "ccw" -#define IPL_FCP_STR "fcp" -#define IPL_FCP_DUMP_STR "fcp_dump" -#define IPL_NSS_STR "nss" - -#define DUMP_CCW_STR "ccw" -#define DUMP_FCP_STR "fcp" -#define DUMP_NONE_STR "none" - -/* - * Four shutdown trigger types are supported: - * - panic - * - halt - * - power off - * - reipl - * - restart - */ -#define ON_PANIC_STR "on_panic" -#define ON_HALT_STR "on_halt" -#define ON_POFF_STR "on_poff" -#define ON_REIPL_STR "on_reboot" -#define ON_RESTART_STR "on_restart" - -struct shutdown_action; -struct shutdown_trigger { - char *name; - struct shutdown_action *action; -}; - -/* - * The following shutdown action types are supported: - */ -#define SHUTDOWN_ACTION_IPL_STR "ipl" -#define SHUTDOWN_ACTION_REIPL_STR "reipl" -#define SHUTDOWN_ACTION_DUMP_STR "dump" -#define SHUTDOWN_ACTION_VMCMD_STR "vmcmd" -#define SHUTDOWN_ACTION_STOP_STR "stop" -#define SHUTDOWN_ACTION_DUMP_REIPL_STR "dump_reipl" - -struct shutdown_action { - char *name; - void (*fn) (struct shutdown_trigger *trigger); - int (*init) (void); - int init_rc; -}; - -static char *ipl_type_str(enum ipl_type type) -{ - switch (type) { - case IPL_TYPE_CCW: - return IPL_CCW_STR; - case IPL_TYPE_FCP: - return IPL_FCP_STR; - case IPL_TYPE_FCP_DUMP: - return IPL_FCP_DUMP_STR; - case IPL_TYPE_NSS: - return IPL_NSS_STR; - case IPL_TYPE_UNKNOWN: - default: - return IPL_UNKNOWN_STR; - } -} - -enum dump_type { - DUMP_TYPE_NONE = 1, - DUMP_TYPE_CCW = 2, - DUMP_TYPE_FCP = 4, -}; - -static char *dump_type_str(enum dump_type type) -{ - switch (type) { - case DUMP_TYPE_NONE: - return DUMP_NONE_STR; - case DUMP_TYPE_CCW: - return DUMP_CCW_STR; - case DUMP_TYPE_FCP: - return DUMP_FCP_STR; - default: - return NULL; - } -} - -/* - * Must be in data section since the bss section - * is not cleared when these are accessed. - */ -static u16 ipl_devno __attribute__((__section__(".data"))) = 0; -u32 ipl_flags __attribute__((__section__(".data"))) = 0; - -enum ipl_method { - REIPL_METHOD_CCW_CIO, - REIPL_METHOD_CCW_DIAG, - REIPL_METHOD_CCW_VM, - REIPL_METHOD_FCP_RO_DIAG, - REIPL_METHOD_FCP_RW_DIAG, - REIPL_METHOD_FCP_RO_VM, - REIPL_METHOD_FCP_DUMP, - REIPL_METHOD_NSS, - REIPL_METHOD_NSS_DIAG, - REIPL_METHOD_DEFAULT, -}; - -enum dump_method { - DUMP_METHOD_NONE, - DUMP_METHOD_CCW_CIO, - DUMP_METHOD_CCW_DIAG, - DUMP_METHOD_CCW_VM, - DUMP_METHOD_FCP_DIAG, -}; - -static int diag308_set_works = 0; - -static struct ipl_parameter_block ipl_block; - -static int reipl_capabilities = IPL_TYPE_UNKNOWN; - -static enum ipl_type reipl_type = IPL_TYPE_UNKNOWN; -static enum ipl_method reipl_method = REIPL_METHOD_DEFAULT; -static struct ipl_parameter_block *reipl_block_fcp; -static struct ipl_parameter_block *reipl_block_ccw; -static struct ipl_parameter_block *reipl_block_nss; -static struct ipl_parameter_block *reipl_block_actual; - -static int dump_capabilities = DUMP_TYPE_NONE; -static enum dump_type dump_type = DUMP_TYPE_NONE; -static enum dump_method dump_method = DUMP_METHOD_NONE; -static struct ipl_parameter_block *dump_block_fcp; -static struct ipl_parameter_block *dump_block_ccw; - -static struct sclp_ipl_info sclp_ipl_info; - -int diag308(unsigned long subcode, void *addr) -{ - register unsigned long _addr asm("0") = (unsigned long) addr; - register unsigned long _rc asm("1") = 0; - - asm volatile( - " diag %0,%2,0x308\n" - "0:\n" - EX_TABLE(0b,0b) - : "+d" (_addr), "+d" (_rc) - : "d" (subcode) : "cc", "memory"); - return _rc; -} -EXPORT_SYMBOL_GPL(diag308); - -/* SYSFS */ - -#define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value) \ -static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \ - struct kobj_attribute *attr, \ - char *page) \ -{ \ - return sprintf(page, _format, _value); \ -} \ -static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ - __ATTR(_name, S_IRUGO, sys_##_prefix##_##_name##_show, NULL); - -#define DEFINE_IPL_ATTR_RW(_prefix, _name, _fmt_out, _fmt_in, _value) \ -static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \ - struct kobj_attribute *attr, \ - char *page) \ -{ \ - return sprintf(page, _fmt_out, \ - (unsigned long long) _value); \ -} \ -static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ - struct kobj_attribute *attr, \ - const char *buf, size_t len) \ -{ \ - unsigned long long value; \ - if (sscanf(buf, _fmt_in, &value) != 1) \ - return -EINVAL; \ - _value = value; \ - return len; \ -} \ -static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ - __ATTR(_name,(S_IRUGO | S_IWUSR), \ - sys_##_prefix##_##_name##_show, \ - sys_##_prefix##_##_name##_store); - -#define DEFINE_IPL_ATTR_STR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)\ -static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \ - struct kobj_attribute *attr, \ - char *page) \ -{ \ - return sprintf(page, _fmt_out, _value); \ -} \ -static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ - struct kobj_attribute *attr, \ - const char *buf, size_t len) \ -{ \ - strncpy(_value, buf, sizeof(_value) - 1); \ - strim(_value); \ - return len; \ -} \ -static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ - __ATTR(_name,(S_IRUGO | S_IWUSR), \ - sys_##_prefix##_##_name##_show, \ - sys_##_prefix##_##_name##_store); - -static void make_attrs_ro(struct attribute **attrs) -{ - while (*attrs) { - (*attrs)->mode = S_IRUGO; - attrs++; - } -} - -/* - * ipl section - */ - -static __init enum ipl_type get_ipl_type(void) -{ - struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START; - - if (ipl_flags & IPL_NSS_VALID) - return IPL_TYPE_NSS; - if (!(ipl_flags & IPL_DEVNO_VALID)) - return IPL_TYPE_UNKNOWN; - if (!(ipl_flags & IPL_PARMBLOCK_VALID)) - return IPL_TYPE_CCW; - if (ipl->hdr.version > IPL_MAX_SUPPORTED_VERSION) - return IPL_TYPE_UNKNOWN; - if (ipl->hdr.pbt != DIAG308_IPL_TYPE_FCP) - return IPL_TYPE_UNKNOWN; - if (ipl->ipl_info.fcp.opt == DIAG308_IPL_OPT_DUMP) - return IPL_TYPE_FCP_DUMP; - return IPL_TYPE_FCP; -} - -struct ipl_info ipl_info; -EXPORT_SYMBOL_GPL(ipl_info); - -static ssize_t ipl_type_show(struct kobject *kobj, struct kobj_attribute *attr, - char *page) -{ - return sprintf(page, "%s\n", ipl_type_str(ipl_info.type)); -} - -static struct kobj_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type); - -/* VM IPL PARM routines */ -static size_t reipl_get_ascii_vmparm(char *dest, size_t size, - const struct ipl_parameter_block *ipb) -{ - int i; - size_t len; - char has_lowercase = 0; - - len = 0; - if ((ipb->ipl_info.ccw.vm_flags & DIAG308_VM_FLAGS_VP_VALID) && - (ipb->ipl_info.ccw.vm_parm_len > 0)) { - - len = min_t(size_t, size - 1, ipb->ipl_info.ccw.vm_parm_len); - memcpy(dest, ipb->ipl_info.ccw.vm_parm, len); - /* If at least one character is lowercase, we assume mixed - * case; otherwise we convert everything to lowercase. - */ - for (i = 0; i < len; i++) - if ((dest[i] > 0x80 && dest[i] < 0x8a) || /* a-i */ - (dest[i] > 0x90 && dest[i] < 0x9a) || /* j-r */ - (dest[i] > 0xa1 && dest[i] < 0xaa)) { /* s-z */ - has_lowercase = 1; - break; - } - if (!has_lowercase) - EBC_TOLOWER(dest, len); - EBCASC(dest, len); - } - dest[len] = 0; - - return len; -} - -size_t append_ipl_vmparm(char *dest, size_t size) -{ - size_t rc; - - rc = 0; - if (diag308_set_works && (ipl_block.hdr.pbt == DIAG308_IPL_TYPE_CCW)) - rc = reipl_get_ascii_vmparm(dest, size, &ipl_block); - else - dest[0] = 0; - return rc; -} - -static ssize_t ipl_vm_parm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - char parm[DIAG308_VMPARM_SIZE + 1] = {}; - - append_ipl_vmparm(parm, sizeof(parm)); - return sprintf(page, "%s\n", parm); -} - -static size_t scpdata_length(const char* buf, size_t count) -{ - while (count) { - if (buf[count - 1] != '\0' && buf[count - 1] != ' ') - break; - count--; - } - return count; -} - -static size_t reipl_append_ascii_scpdata(char *dest, size_t size, - const struct ipl_parameter_block *ipb) -{ - size_t count; - size_t i; - int has_lowercase; - - count = min(size - 1, scpdata_length(ipb->ipl_info.fcp.scp_data, - ipb->ipl_info.fcp.scp_data_len)); - if (!count) - goto out; - - has_lowercase = 0; - for (i = 0; i < count; i++) { - if (!isascii(ipb->ipl_info.fcp.scp_data[i])) { - count = 0; - goto out; - } - if (!has_lowercase && islower(ipb->ipl_info.fcp.scp_data[i])) - has_lowercase = 1; - } - - if (has_lowercase) - memcpy(dest, ipb->ipl_info.fcp.scp_data, count); - else - for (i = 0; i < count; i++) - dest[i] = tolower(ipb->ipl_info.fcp.scp_data[i]); -out: - dest[count] = '\0'; - return count; -} - -size_t append_ipl_scpdata(char *dest, size_t len) -{ - size_t rc; - - rc = 0; - if (ipl_block.hdr.pbt == DIAG308_IPL_TYPE_FCP) - rc = reipl_append_ascii_scpdata(dest, len, &ipl_block); - else - dest[0] = 0; - return rc; -} - - -static struct kobj_attribute sys_ipl_vm_parm_attr = - __ATTR(parm, S_IRUGO, ipl_vm_parm_show, NULL); - -static ssize_t sys_ipl_device_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START; - - switch (ipl_info.type) { - case IPL_TYPE_CCW: - return sprintf(page, "0.0.%04x\n", ipl_devno); - case IPL_TYPE_FCP: - case IPL_TYPE_FCP_DUMP: - return sprintf(page, "0.0.%04x\n", ipl->ipl_info.fcp.devno); - default: - return 0; - } -} - -static struct kobj_attribute sys_ipl_device_attr = - __ATTR(device, S_IRUGO, sys_ipl_device_show, NULL); - -static ssize_t ipl_parameter_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - return memory_read_from_buffer(buf, count, &off, IPL_PARMBLOCK_START, - IPL_PARMBLOCK_SIZE); -} - -static struct bin_attribute ipl_parameter_attr = { - .attr = { - .name = "binary_parameter", - .mode = S_IRUGO, - }, - .size = PAGE_SIZE, - .read = &ipl_parameter_read, -}; - -static ssize_t ipl_scp_data_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - unsigned int size = IPL_PARMBLOCK_START->ipl_info.fcp.scp_data_len; - void *scp_data = &IPL_PARMBLOCK_START->ipl_info.fcp.scp_data; - - return memory_read_from_buffer(buf, count, &off, scp_data, size); -} - -static struct bin_attribute ipl_scp_data_attr = { - .attr = { - .name = "scp_data", - .mode = S_IRUGO, - }, - .size = PAGE_SIZE, - .read = ipl_scp_data_read, -}; - -/* FCP ipl device attributes */ - -DEFINE_IPL_ATTR_RO(ipl_fcp, wwpn, "0x%016llx\n", (unsigned long long) - IPL_PARMBLOCK_START->ipl_info.fcp.wwpn); -DEFINE_IPL_ATTR_RO(ipl_fcp, lun, "0x%016llx\n", (unsigned long long) - IPL_PARMBLOCK_START->ipl_info.fcp.lun); -DEFINE_IPL_ATTR_RO(ipl_fcp, bootprog, "%lld\n", (unsigned long long) - IPL_PARMBLOCK_START->ipl_info.fcp.bootprog); -DEFINE_IPL_ATTR_RO(ipl_fcp, br_lba, "%lld\n", (unsigned long long) - IPL_PARMBLOCK_START->ipl_info.fcp.br_lba); - -static struct attribute *ipl_fcp_attrs[] = { - &sys_ipl_type_attr.attr, - &sys_ipl_device_attr.attr, - &sys_ipl_fcp_wwpn_attr.attr, - &sys_ipl_fcp_lun_attr.attr, - &sys_ipl_fcp_bootprog_attr.attr, - &sys_ipl_fcp_br_lba_attr.attr, - NULL, -}; - -static struct attribute_group ipl_fcp_attr_group = { - .attrs = ipl_fcp_attrs, -}; - -/* CCW ipl device attributes */ - -static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - char loadparm[LOADPARM_LEN + 1] = {}; - - if (!sclp_ipl_info.is_valid) - return sprintf(page, "#unknown#\n"); - memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN); - EBCASC(loadparm, LOADPARM_LEN); - strim(loadparm); - return sprintf(page, "%s\n", loadparm); -} - -static struct kobj_attribute sys_ipl_ccw_loadparm_attr = - __ATTR(loadparm, 0444, ipl_ccw_loadparm_show, NULL); - -static struct attribute *ipl_ccw_attrs_vm[] = { - &sys_ipl_type_attr.attr, - &sys_ipl_device_attr.attr, - &sys_ipl_ccw_loadparm_attr.attr, - &sys_ipl_vm_parm_attr.attr, - NULL, -}; - -static struct attribute *ipl_ccw_attrs_lpar[] = { - &sys_ipl_type_attr.attr, - &sys_ipl_device_attr.attr, - &sys_ipl_ccw_loadparm_attr.attr, - NULL, -}; - -static struct attribute_group ipl_ccw_attr_group_vm = { - .attrs = ipl_ccw_attrs_vm, -}; - -static struct attribute_group ipl_ccw_attr_group_lpar = { - .attrs = ipl_ccw_attrs_lpar -}; - -/* NSS ipl device attributes */ - -DEFINE_IPL_ATTR_RO(ipl_nss, name, "%s\n", kernel_nss_name); - -static struct attribute *ipl_nss_attrs[] = { - &sys_ipl_type_attr.attr, - &sys_ipl_nss_name_attr.attr, - &sys_ipl_ccw_loadparm_attr.attr, - &sys_ipl_vm_parm_attr.attr, - NULL, -}; - -static struct attribute_group ipl_nss_attr_group = { - .attrs = ipl_nss_attrs, -}; - -/* UNKNOWN ipl device attributes */ - -static struct attribute *ipl_unknown_attrs[] = { - &sys_ipl_type_attr.attr, - NULL, -}; - -static struct attribute_group ipl_unknown_attr_group = { - .attrs = ipl_unknown_attrs, -}; - -static struct kset *ipl_kset; - -static int __init ipl_register_fcp_files(void) -{ - int rc; - - rc = sysfs_create_group(&ipl_kset->kobj, &ipl_fcp_attr_group); - if (rc) - goto out; - rc = sysfs_create_bin_file(&ipl_kset->kobj, &ipl_parameter_attr); - if (rc) - goto out_ipl_parm; - rc = sysfs_create_bin_file(&ipl_kset->kobj, &ipl_scp_data_attr); - if (!rc) - goto out; - - sysfs_remove_bin_file(&ipl_kset->kobj, &ipl_parameter_attr); - -out_ipl_parm: - sysfs_remove_group(&ipl_kset->kobj, &ipl_fcp_attr_group); -out: - return rc; -} - -static void __ipl_run(void *unused) -{ - diag308(DIAG308_IPL, NULL); - if (MACHINE_IS_VM) - __cpcmd("IPL", NULL, 0, NULL); - else if (ipl_info.type == IPL_TYPE_CCW) - reipl_ccw_dev(&ipl_info.data.ccw.dev_id); -} - -static void ipl_run(struct shutdown_trigger *trigger) -{ - smp_call_ipl_cpu(__ipl_run, NULL); -} - -static int __init ipl_init(void) -{ - int rc; - - ipl_kset = kset_create_and_add("ipl", NULL, firmware_kobj); - if (!ipl_kset) { - rc = -ENOMEM; - goto out; - } - switch (ipl_info.type) { - case IPL_TYPE_CCW: - if (MACHINE_IS_VM) - rc = sysfs_create_group(&ipl_kset->kobj, - &ipl_ccw_attr_group_vm); - else - rc = sysfs_create_group(&ipl_kset->kobj, - &ipl_ccw_attr_group_lpar); - break; - case IPL_TYPE_FCP: - case IPL_TYPE_FCP_DUMP: - rc = ipl_register_fcp_files(); - break; - case IPL_TYPE_NSS: - rc = sysfs_create_group(&ipl_kset->kobj, &ipl_nss_attr_group); - break; - default: - rc = sysfs_create_group(&ipl_kset->kobj, - &ipl_unknown_attr_group); - break; - } -out: - if (rc) - panic("ipl_init failed: rc = %i\n", rc); - - return 0; -} - -static struct shutdown_action __refdata ipl_action = { - .name = SHUTDOWN_ACTION_IPL_STR, - .fn = ipl_run, - .init = ipl_init, -}; - -/* - * reipl shutdown action: Reboot Linux on shutdown. - */ - -/* VM IPL PARM attributes */ -static ssize_t reipl_generic_vmparm_show(struct ipl_parameter_block *ipb, - char *page) -{ - char vmparm[DIAG308_VMPARM_SIZE + 1] = {}; - - reipl_get_ascii_vmparm(vmparm, sizeof(vmparm), ipb); - return sprintf(page, "%s\n", vmparm); -} - -static ssize_t reipl_generic_vmparm_store(struct ipl_parameter_block *ipb, - size_t vmparm_max, - const char *buf, size_t len) -{ - int i, ip_len; - - /* ignore trailing newline */ - ip_len = len; - if ((len > 0) && (buf[len - 1] == '\n')) - ip_len--; - - if (ip_len > vmparm_max) - return -EINVAL; - - /* parm is used to store kernel options, check for common chars */ - for (i = 0; i < ip_len; i++) - if (!(isalnum(buf[i]) || isascii(buf[i]) || isprint(buf[i]))) - return -EINVAL; - - memset(ipb->ipl_info.ccw.vm_parm, 0, DIAG308_VMPARM_SIZE); - ipb->ipl_info.ccw.vm_parm_len = ip_len; - if (ip_len > 0) { - ipb->ipl_info.ccw.vm_flags |= DIAG308_VM_FLAGS_VP_VALID; - memcpy(ipb->ipl_info.ccw.vm_parm, buf, ip_len); - ASCEBC(ipb->ipl_info.ccw.vm_parm, ip_len); - } else { - ipb->ipl_info.ccw.vm_flags &= ~DIAG308_VM_FLAGS_VP_VALID; - } - - return len; -} - -/* NSS wrapper */ -static ssize_t reipl_nss_vmparm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return reipl_generic_vmparm_show(reipl_block_nss, page); -} - -static ssize_t reipl_nss_vmparm_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return reipl_generic_vmparm_store(reipl_block_nss, 56, buf, len); -} - -/* CCW wrapper */ -static ssize_t reipl_ccw_vmparm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return reipl_generic_vmparm_show(reipl_block_ccw, page); -} - -static ssize_t reipl_ccw_vmparm_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return reipl_generic_vmparm_store(reipl_block_ccw, 64, buf, len); -} - -static struct kobj_attribute sys_reipl_nss_vmparm_attr = - __ATTR(parm, S_IRUGO | S_IWUSR, reipl_nss_vmparm_show, - reipl_nss_vmparm_store); -static struct kobj_attribute sys_reipl_ccw_vmparm_attr = - __ATTR(parm, S_IRUGO | S_IWUSR, reipl_ccw_vmparm_show, - reipl_ccw_vmparm_store); - -/* FCP reipl device attributes */ - -static ssize_t reipl_fcp_scpdata_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, - char *buf, loff_t off, size_t count) -{ - size_t size = reipl_block_fcp->ipl_info.fcp.scp_data_len; - void *scp_data = reipl_block_fcp->ipl_info.fcp.scp_data; - - return memory_read_from_buffer(buf, count, &off, scp_data, size); -} - -static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, - char *buf, loff_t off, size_t count) -{ - size_t padding; - size_t scpdata_len; - - if (off < 0) - return -EINVAL; - - if (off >= DIAG308_SCPDATA_SIZE) - return -ENOSPC; - - if (count > DIAG308_SCPDATA_SIZE - off) - count = DIAG308_SCPDATA_SIZE - off; - - memcpy(reipl_block_fcp->ipl_info.fcp.scp_data, buf + off, count); - scpdata_len = off + count; - - if (scpdata_len % 8) { - padding = 8 - (scpdata_len % 8); - memset(reipl_block_fcp->ipl_info.fcp.scp_data + scpdata_len, - 0, padding); - scpdata_len += padding; - } - - reipl_block_fcp->ipl_info.fcp.scp_data_len = scpdata_len; - reipl_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN + scpdata_len; - reipl_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN + scpdata_len; - - return count; -} - -static struct bin_attribute sys_reipl_fcp_scp_data_attr = { - .attr = { - .name = "scp_data", - .mode = S_IRUGO | S_IWUSR, - }, - .size = PAGE_SIZE, - .read = reipl_fcp_scpdata_read, - .write = reipl_fcp_scpdata_write, -}; - -DEFINE_IPL_ATTR_RW(reipl_fcp, wwpn, "0x%016llx\n", "%016llx\n", - reipl_block_fcp->ipl_info.fcp.wwpn); -DEFINE_IPL_ATTR_RW(reipl_fcp, lun, "0x%016llx\n", "%016llx\n", - reipl_block_fcp->ipl_info.fcp.lun); -DEFINE_IPL_ATTR_RW(reipl_fcp, bootprog, "%lld\n", "%lld\n", - reipl_block_fcp->ipl_info.fcp.bootprog); -DEFINE_IPL_ATTR_RW(reipl_fcp, br_lba, "%lld\n", "%lld\n", - reipl_block_fcp->ipl_info.fcp.br_lba); -DEFINE_IPL_ATTR_RW(reipl_fcp, device, "0.0.%04llx\n", "0.0.%llx\n", - reipl_block_fcp->ipl_info.fcp.devno); - -static struct attribute *reipl_fcp_attrs[] = { - &sys_reipl_fcp_device_attr.attr, - &sys_reipl_fcp_wwpn_attr.attr, - &sys_reipl_fcp_lun_attr.attr, - &sys_reipl_fcp_bootprog_attr.attr, - &sys_reipl_fcp_br_lba_attr.attr, - NULL, -}; - -static struct attribute_group reipl_fcp_attr_group = { - .attrs = reipl_fcp_attrs, -}; - -/* CCW reipl device attributes */ - -DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", - reipl_block_ccw->ipl_info.ccw.devno); - -static void reipl_get_ascii_loadparm(char *loadparm, - struct ipl_parameter_block *ibp) -{ - memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN); - EBCASC(loadparm, LOADPARM_LEN); - loadparm[LOADPARM_LEN] = 0; - strim(loadparm); -} - -static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb, - char *page) -{ - char buf[LOADPARM_LEN + 1]; - - reipl_get_ascii_loadparm(buf, ipb); - return sprintf(page, "%s\n", buf); -} - -static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb, - const char *buf, size_t len) -{ - int i, lp_len; - - /* ignore trailing newline */ - lp_len = len; - if ((len > 0) && (buf[len - 1] == '\n')) - lp_len--; - /* loadparm can have max 8 characters and must not start with a blank */ - if ((lp_len > LOADPARM_LEN) || ((lp_len > 0) && (buf[0] == ' '))) - return -EINVAL; - /* loadparm can only contain "a-z,A-Z,0-9,SP,." */ - for (i = 0; i < lp_len; i++) { - if (isalpha(buf[i]) || isdigit(buf[i]) || (buf[i] == ' ') || - (buf[i] == '.')) - continue; - return -EINVAL; - } - /* initialize loadparm with blanks */ - memset(ipb->ipl_info.ccw.load_parm, ' ', LOADPARM_LEN); - /* copy and convert to ebcdic */ - memcpy(ipb->ipl_info.ccw.load_parm, buf, lp_len); - ASCEBC(ipb->ipl_info.ccw.load_parm, LOADPARM_LEN); - return len; -} - -/* NSS wrapper */ -static ssize_t reipl_nss_loadparm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return reipl_generic_loadparm_show(reipl_block_nss, page); -} - -static ssize_t reipl_nss_loadparm_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return reipl_generic_loadparm_store(reipl_block_nss, buf, len); -} - -/* CCW wrapper */ -static ssize_t reipl_ccw_loadparm_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return reipl_generic_loadparm_show(reipl_block_ccw, page); -} - -static ssize_t reipl_ccw_loadparm_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return reipl_generic_loadparm_store(reipl_block_ccw, buf, len); -} - -static struct kobj_attribute sys_reipl_ccw_loadparm_attr = - __ATTR(loadparm, S_IRUGO | S_IWUSR, reipl_ccw_loadparm_show, - reipl_ccw_loadparm_store); - -static struct attribute *reipl_ccw_attrs_vm[] = { - &sys_reipl_ccw_device_attr.attr, - &sys_reipl_ccw_loadparm_attr.attr, - &sys_reipl_ccw_vmparm_attr.attr, - NULL, -}; - -static struct attribute *reipl_ccw_attrs_lpar[] = { - &sys_reipl_ccw_device_attr.attr, - &sys_reipl_ccw_loadparm_attr.attr, - NULL, -}; - -static struct attribute_group reipl_ccw_attr_group_vm = { - .name = IPL_CCW_STR, - .attrs = reipl_ccw_attrs_vm, -}; - -static struct attribute_group reipl_ccw_attr_group_lpar = { - .name = IPL_CCW_STR, - .attrs = reipl_ccw_attrs_lpar, -}; - - -/* NSS reipl device attributes */ -static void reipl_get_ascii_nss_name(char *dst, - struct ipl_parameter_block *ipb) -{ - memcpy(dst, ipb->ipl_info.ccw.nss_name, NSS_NAME_SIZE); - EBCASC(dst, NSS_NAME_SIZE); - dst[NSS_NAME_SIZE] = 0; -} - -static ssize_t reipl_nss_name_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - char nss_name[NSS_NAME_SIZE + 1] = {}; - - reipl_get_ascii_nss_name(nss_name, reipl_block_nss); - return sprintf(page, "%s\n", nss_name); -} - -static ssize_t reipl_nss_name_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - int nss_len; - - /* ignore trailing newline */ - nss_len = len; - if ((len > 0) && (buf[len - 1] == '\n')) - nss_len--; - - if (nss_len > NSS_NAME_SIZE) - return -EINVAL; - - memset(reipl_block_nss->ipl_info.ccw.nss_name, 0x40, NSS_NAME_SIZE); - if (nss_len > 0) { - reipl_block_nss->ipl_info.ccw.vm_flags |= - DIAG308_VM_FLAGS_NSS_VALID; - memcpy(reipl_block_nss->ipl_info.ccw.nss_name, buf, nss_len); - ASCEBC(reipl_block_nss->ipl_info.ccw.nss_name, nss_len); - EBC_TOUPPER(reipl_block_nss->ipl_info.ccw.nss_name, nss_len); - } else { - reipl_block_nss->ipl_info.ccw.vm_flags &= - ~DIAG308_VM_FLAGS_NSS_VALID; - } - - return len; -} - -static struct kobj_attribute sys_reipl_nss_name_attr = - __ATTR(name, S_IRUGO | S_IWUSR, reipl_nss_name_show, - reipl_nss_name_store); - -static struct kobj_attribute sys_reipl_nss_loadparm_attr = - __ATTR(loadparm, S_IRUGO | S_IWUSR, reipl_nss_loadparm_show, - reipl_nss_loadparm_store); - -static struct attribute *reipl_nss_attrs[] = { - &sys_reipl_nss_name_attr.attr, - &sys_reipl_nss_loadparm_attr.attr, - &sys_reipl_nss_vmparm_attr.attr, - NULL, -}; - -static struct attribute_group reipl_nss_attr_group = { - .name = IPL_NSS_STR, - .attrs = reipl_nss_attrs, -}; - -static void set_reipl_block_actual(struct ipl_parameter_block *reipl_block) -{ - reipl_block_actual = reipl_block; - os_info_entry_add(OS_INFO_REIPL_BLOCK, reipl_block_actual, - reipl_block->hdr.len); -} - -/* reipl type */ - -static int reipl_set_type(enum ipl_type type) -{ - if (!(reipl_capabilities & type)) - return -EINVAL; - - switch(type) { - case IPL_TYPE_CCW: - if (diag308_set_works) - reipl_method = REIPL_METHOD_CCW_DIAG; - else if (MACHINE_IS_VM) - reipl_method = REIPL_METHOD_CCW_VM; - else - reipl_method = REIPL_METHOD_CCW_CIO; - set_reipl_block_actual(reipl_block_ccw); - break; - case IPL_TYPE_FCP: - if (diag308_set_works) - reipl_method = REIPL_METHOD_FCP_RW_DIAG; - else if (MACHINE_IS_VM) - reipl_method = REIPL_METHOD_FCP_RO_VM; - else - reipl_method = REIPL_METHOD_FCP_RO_DIAG; - set_reipl_block_actual(reipl_block_fcp); - break; - case IPL_TYPE_FCP_DUMP: - reipl_method = REIPL_METHOD_FCP_DUMP; - break; - case IPL_TYPE_NSS: - if (diag308_set_works) - reipl_method = REIPL_METHOD_NSS_DIAG; - else - reipl_method = REIPL_METHOD_NSS; - set_reipl_block_actual(reipl_block_nss); - break; - case IPL_TYPE_UNKNOWN: - reipl_method = REIPL_METHOD_DEFAULT; - break; - default: - BUG(); - } - reipl_type = type; - return 0; -} - -static ssize_t reipl_type_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", ipl_type_str(reipl_type)); -} - -static ssize_t reipl_type_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - int rc = -EINVAL; - - if (strncmp(buf, IPL_CCW_STR, strlen(IPL_CCW_STR)) == 0) - rc = reipl_set_type(IPL_TYPE_CCW); - else if (strncmp(buf, IPL_FCP_STR, strlen(IPL_FCP_STR)) == 0) - rc = reipl_set_type(IPL_TYPE_FCP); - else if (strncmp(buf, IPL_NSS_STR, strlen(IPL_NSS_STR)) == 0) - rc = reipl_set_type(IPL_TYPE_NSS); - return (rc != 0) ? rc : len; -} - -static struct kobj_attribute reipl_type_attr = - __ATTR(reipl_type, 0644, reipl_type_show, reipl_type_store); - -static struct kset *reipl_kset; -static struct kset *reipl_fcp_kset; - -static void get_ipl_string(char *dst, struct ipl_parameter_block *ipb, - const enum ipl_method m) -{ - char loadparm[LOADPARM_LEN + 1] = {}; - char vmparm[DIAG308_VMPARM_SIZE + 1] = {}; - char nss_name[NSS_NAME_SIZE + 1] = {}; - size_t pos = 0; - - reipl_get_ascii_loadparm(loadparm, ipb); - reipl_get_ascii_nss_name(nss_name, ipb); - reipl_get_ascii_vmparm(vmparm, sizeof(vmparm), ipb); - - switch (m) { - case REIPL_METHOD_CCW_VM: - pos = sprintf(dst, "IPL %X CLEAR", ipb->ipl_info.ccw.devno); - break; - case REIPL_METHOD_NSS: - pos = sprintf(dst, "IPL %s", nss_name); - break; - default: - break; - } - if (strlen(loadparm) > 0) - pos += sprintf(dst + pos, " LOADPARM '%s'", loadparm); - if (strlen(vmparm) > 0) - sprintf(dst + pos, " PARM %s", vmparm); -} - -static void __reipl_run(void *unused) -{ - struct ccw_dev_id devid; - static char buf[128]; - - switch (reipl_method) { - case REIPL_METHOD_CCW_CIO: - devid.devno = reipl_block_ccw->ipl_info.ccw.devno; - devid.ssid = 0; - reipl_ccw_dev(&devid); - break; - case REIPL_METHOD_CCW_VM: - get_ipl_string(buf, reipl_block_ccw, REIPL_METHOD_CCW_VM); - __cpcmd(buf, NULL, 0, NULL); - break; - case REIPL_METHOD_CCW_DIAG: - diag308(DIAG308_SET, reipl_block_ccw); - diag308(DIAG308_IPL, NULL); - break; - case REIPL_METHOD_FCP_RW_DIAG: - diag308(DIAG308_SET, reipl_block_fcp); - diag308(DIAG308_IPL, NULL); - break; - case REIPL_METHOD_FCP_RO_DIAG: - diag308(DIAG308_IPL, NULL); - break; - case REIPL_METHOD_FCP_RO_VM: - __cpcmd("IPL", NULL, 0, NULL); - break; - case REIPL_METHOD_NSS_DIAG: - diag308(DIAG308_SET, reipl_block_nss); - diag308(DIAG308_IPL, NULL); - break; - case REIPL_METHOD_NSS: - get_ipl_string(buf, reipl_block_nss, REIPL_METHOD_NSS); - __cpcmd(buf, NULL, 0, NULL); - break; - case REIPL_METHOD_DEFAULT: - if (MACHINE_IS_VM) - __cpcmd("IPL", NULL, 0, NULL); - diag308(DIAG308_IPL, NULL); - break; - case REIPL_METHOD_FCP_DUMP: - break; - } - disabled_wait((unsigned long) __builtin_return_address(0)); -} - -static void reipl_run(struct shutdown_trigger *trigger) -{ - smp_call_ipl_cpu(__reipl_run, NULL); -} - -static void reipl_block_ccw_init(struct ipl_parameter_block *ipb) -{ - ipb->hdr.len = IPL_PARM_BLK_CCW_LEN; - ipb->hdr.version = IPL_PARM_BLOCK_VERSION; - ipb->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN; - ipb->hdr.pbt = DIAG308_IPL_TYPE_CCW; -} - -static void reipl_block_ccw_fill_parms(struct ipl_parameter_block *ipb) -{ - /* LOADPARM */ - /* check if read scp info worked and set loadparm */ - if (sclp_ipl_info.is_valid) - memcpy(ipb->ipl_info.ccw.load_parm, - &sclp_ipl_info.loadparm, LOADPARM_LEN); - else - /* read scp info failed: set empty loadparm (EBCDIC blanks) */ - memset(ipb->ipl_info.ccw.load_parm, 0x40, LOADPARM_LEN); - ipb->hdr.flags = DIAG308_FLAGS_LP_VALID; - - /* VM PARM */ - if (MACHINE_IS_VM && diag308_set_works && - (ipl_block.ipl_info.ccw.vm_flags & DIAG308_VM_FLAGS_VP_VALID)) { - - ipb->ipl_info.ccw.vm_flags |= DIAG308_VM_FLAGS_VP_VALID; - ipb->ipl_info.ccw.vm_parm_len = - ipl_block.ipl_info.ccw.vm_parm_len; - memcpy(ipb->ipl_info.ccw.vm_parm, - ipl_block.ipl_info.ccw.vm_parm, DIAG308_VMPARM_SIZE); - } -} - -static int __init reipl_nss_init(void) -{ - int rc; - - if (!MACHINE_IS_VM) - return 0; - - reipl_block_nss = (void *) get_zeroed_page(GFP_KERNEL); - if (!reipl_block_nss) - return -ENOMEM; - - if (!diag308_set_works) - sys_reipl_nss_vmparm_attr.attr.mode = S_IRUGO; - - rc = sysfs_create_group(&reipl_kset->kobj, &reipl_nss_attr_group); - if (rc) - return rc; - - reipl_block_ccw_init(reipl_block_nss); - if (ipl_info.type == IPL_TYPE_NSS) { - memset(reipl_block_nss->ipl_info.ccw.nss_name, - ' ', NSS_NAME_SIZE); - memcpy(reipl_block_nss->ipl_info.ccw.nss_name, - kernel_nss_name, strlen(kernel_nss_name)); - ASCEBC(reipl_block_nss->ipl_info.ccw.nss_name, NSS_NAME_SIZE); - reipl_block_nss->ipl_info.ccw.vm_flags |= - DIAG308_VM_FLAGS_NSS_VALID; - - reipl_block_ccw_fill_parms(reipl_block_nss); - } - - reipl_capabilities |= IPL_TYPE_NSS; - return 0; -} - -static int __init reipl_ccw_init(void) -{ - int rc; - - reipl_block_ccw = (void *) get_zeroed_page(GFP_KERNEL); - if (!reipl_block_ccw) - return -ENOMEM; - - if (MACHINE_IS_VM) { - if (!diag308_set_works) - sys_reipl_ccw_vmparm_attr.attr.mode = S_IRUGO; - rc = sysfs_create_group(&reipl_kset->kobj, - &reipl_ccw_attr_group_vm); - } else { - if(!diag308_set_works) - sys_reipl_ccw_loadparm_attr.attr.mode = S_IRUGO; - rc = sysfs_create_group(&reipl_kset->kobj, - &reipl_ccw_attr_group_lpar); - } - if (rc) - return rc; - - reipl_block_ccw_init(reipl_block_ccw); - if (ipl_info.type == IPL_TYPE_CCW) { - reipl_block_ccw->ipl_info.ccw.devno = ipl_devno; - reipl_block_ccw_fill_parms(reipl_block_ccw); - } - - reipl_capabilities |= IPL_TYPE_CCW; - return 0; -} - -static int __init reipl_fcp_init(void) -{ - int rc; - - if (!diag308_set_works) { - if (ipl_info.type == IPL_TYPE_FCP) { - make_attrs_ro(reipl_fcp_attrs); - sys_reipl_fcp_scp_data_attr.attr.mode = S_IRUGO; - } else - return 0; - } - - reipl_block_fcp = (void *) get_zeroed_page(GFP_KERNEL); - if (!reipl_block_fcp) - return -ENOMEM; - - /* sysfs: create fcp kset for mixing attr group and bin attrs */ - reipl_fcp_kset = kset_create_and_add(IPL_FCP_STR, NULL, - &reipl_kset->kobj); - if (!reipl_fcp_kset) { - free_page((unsigned long) reipl_block_fcp); - return -ENOMEM; - } - - rc = sysfs_create_group(&reipl_fcp_kset->kobj, &reipl_fcp_attr_group); - if (rc) { - kset_unregister(reipl_fcp_kset); - free_page((unsigned long) reipl_block_fcp); - return rc; - } - - rc = sysfs_create_bin_file(&reipl_fcp_kset->kobj, - &sys_reipl_fcp_scp_data_attr); - if (rc) { - sysfs_remove_group(&reipl_fcp_kset->kobj, &reipl_fcp_attr_group); - kset_unregister(reipl_fcp_kset); - free_page((unsigned long) reipl_block_fcp); - return rc; - } - - if (ipl_info.type == IPL_TYPE_FCP) - memcpy(reipl_block_fcp, IPL_PARMBLOCK_START, PAGE_SIZE); - else { - reipl_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN; - reipl_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION; - reipl_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN; - reipl_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP; - reipl_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_IPL; - } - reipl_capabilities |= IPL_TYPE_FCP; - return 0; -} - -static int __init reipl_type_init(void) -{ - enum ipl_type reipl_type = ipl_info.type; - struct ipl_parameter_block *reipl_block; - unsigned long size; - - reipl_block = os_info_old_entry(OS_INFO_REIPL_BLOCK, &size); - if (!reipl_block) - goto out; - /* - * If we have an OS info reipl block, this will be used - */ - if (reipl_block->hdr.pbt == DIAG308_IPL_TYPE_FCP) { - memcpy(reipl_block_fcp, reipl_block, size); - reipl_type = IPL_TYPE_FCP; - } else if (reipl_block->hdr.pbt == DIAG308_IPL_TYPE_CCW) { - memcpy(reipl_block_ccw, reipl_block, size); - reipl_type = IPL_TYPE_CCW; - } -out: - return reipl_set_type(reipl_type); -} - -static int __init reipl_init(void) -{ - int rc; - - reipl_kset = kset_create_and_add("reipl", NULL, firmware_kobj); - if (!reipl_kset) - return -ENOMEM; - rc = sysfs_create_file(&reipl_kset->kobj, &reipl_type_attr.attr); - if (rc) { - kset_unregister(reipl_kset); - return rc; - } - rc = reipl_ccw_init(); - if (rc) - return rc; - rc = reipl_fcp_init(); - if (rc) - return rc; - rc = reipl_nss_init(); - if (rc) - return rc; - return reipl_type_init(); -} - -static struct shutdown_action __refdata reipl_action = { - .name = SHUTDOWN_ACTION_REIPL_STR, - .fn = reipl_run, - .init = reipl_init, -}; - -/* - * dump shutdown action: Dump Linux on shutdown. - */ - -/* FCP dump device attributes */ - -DEFINE_IPL_ATTR_RW(dump_fcp, wwpn, "0x%016llx\n", "%016llx\n", - dump_block_fcp->ipl_info.fcp.wwpn); -DEFINE_IPL_ATTR_RW(dump_fcp, lun, "0x%016llx\n", "%016llx\n", - dump_block_fcp->ipl_info.fcp.lun); -DEFINE_IPL_ATTR_RW(dump_fcp, bootprog, "%lld\n", "%lld\n", - dump_block_fcp->ipl_info.fcp.bootprog); -DEFINE_IPL_ATTR_RW(dump_fcp, br_lba, "%lld\n", "%lld\n", - dump_block_fcp->ipl_info.fcp.br_lba); -DEFINE_IPL_ATTR_RW(dump_fcp, device, "0.0.%04llx\n", "0.0.%llx\n", - dump_block_fcp->ipl_info.fcp.devno); - -static struct attribute *dump_fcp_attrs[] = { - &sys_dump_fcp_device_attr.attr, - &sys_dump_fcp_wwpn_attr.attr, - &sys_dump_fcp_lun_attr.attr, - &sys_dump_fcp_bootprog_attr.attr, - &sys_dump_fcp_br_lba_attr.attr, - NULL, -}; - -static struct attribute_group dump_fcp_attr_group = { - .name = IPL_FCP_STR, - .attrs = dump_fcp_attrs, -}; - -/* CCW dump device attributes */ - -DEFINE_IPL_ATTR_RW(dump_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", - dump_block_ccw->ipl_info.ccw.devno); - -static struct attribute *dump_ccw_attrs[] = { - &sys_dump_ccw_device_attr.attr, - NULL, -}; - -static struct attribute_group dump_ccw_attr_group = { - .name = IPL_CCW_STR, - .attrs = dump_ccw_attrs, -}; - -/* dump type */ - -static int dump_set_type(enum dump_type type) -{ - if (!(dump_capabilities & type)) - return -EINVAL; - switch (type) { - case DUMP_TYPE_CCW: - if (diag308_set_works) - dump_method = DUMP_METHOD_CCW_DIAG; - else if (MACHINE_IS_VM) - dump_method = DUMP_METHOD_CCW_VM; - else - dump_method = DUMP_METHOD_CCW_CIO; - break; - case DUMP_TYPE_FCP: - dump_method = DUMP_METHOD_FCP_DIAG; - break; - default: - dump_method = DUMP_METHOD_NONE; - } - dump_type = type; - return 0; -} - -static ssize_t dump_type_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", dump_type_str(dump_type)); -} - -static ssize_t dump_type_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - int rc = -EINVAL; - - if (strncmp(buf, DUMP_NONE_STR, strlen(DUMP_NONE_STR)) == 0) - rc = dump_set_type(DUMP_TYPE_NONE); - else if (strncmp(buf, DUMP_CCW_STR, strlen(DUMP_CCW_STR)) == 0) - rc = dump_set_type(DUMP_TYPE_CCW); - else if (strncmp(buf, DUMP_FCP_STR, strlen(DUMP_FCP_STR)) == 0) - rc = dump_set_type(DUMP_TYPE_FCP); - return (rc != 0) ? rc : len; -} - -static struct kobj_attribute dump_type_attr = - __ATTR(dump_type, 0644, dump_type_show, dump_type_store); - -static struct kset *dump_kset; - -static void __dump_run(void *unused) -{ - struct ccw_dev_id devid; - static char buf[100]; - - switch (dump_method) { - case DUMP_METHOD_CCW_CIO: - devid.devno = dump_block_ccw->ipl_info.ccw.devno; - devid.ssid = 0; - reipl_ccw_dev(&devid); - break; - case DUMP_METHOD_CCW_VM: - sprintf(buf, "STORE STATUS"); - __cpcmd(buf, NULL, 0, NULL); - sprintf(buf, "IPL %X", dump_block_ccw->ipl_info.ccw.devno); - __cpcmd(buf, NULL, 0, NULL); - break; - case DUMP_METHOD_CCW_DIAG: - diag308(DIAG308_SET, dump_block_ccw); - diag308(DIAG308_DUMP, NULL); - break; - case DUMP_METHOD_FCP_DIAG: - diag308(DIAG308_SET, dump_block_fcp); - diag308(DIAG308_DUMP, NULL); - break; - default: - break; - } -} - -static void dump_run(struct shutdown_trigger *trigger) -{ - if (dump_method == DUMP_METHOD_NONE) - return; - smp_send_stop(); - smp_call_ipl_cpu(__dump_run, NULL); -} - -static int __init dump_ccw_init(void) -{ - int rc; - - dump_block_ccw = (void *) get_zeroed_page(GFP_KERNEL); - if (!dump_block_ccw) - return -ENOMEM; - rc = sysfs_create_group(&dump_kset->kobj, &dump_ccw_attr_group); - if (rc) { - free_page((unsigned long)dump_block_ccw); - return rc; - } - dump_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN; - dump_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION; - dump_block_ccw->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN; - dump_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW; - dump_capabilities |= DUMP_TYPE_CCW; - return 0; -} - -static int __init dump_fcp_init(void) -{ - int rc; - - if (!sclp_ipl_info.has_dump) - return 0; /* LDIPL DUMP is not installed */ - if (!diag308_set_works) - return 0; - dump_block_fcp = (void *) get_zeroed_page(GFP_KERNEL); - if (!dump_block_fcp) - return -ENOMEM; - rc = sysfs_create_group(&dump_kset->kobj, &dump_fcp_attr_group); - if (rc) { - free_page((unsigned long)dump_block_fcp); - return rc; - } - dump_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN; - dump_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION; - dump_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN; - dump_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP; - dump_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_DUMP; - dump_capabilities |= DUMP_TYPE_FCP; - return 0; -} - -static int __init dump_init(void) -{ - int rc; - - dump_kset = kset_create_and_add("dump", NULL, firmware_kobj); - if (!dump_kset) - return -ENOMEM; - rc = sysfs_create_file(&dump_kset->kobj, &dump_type_attr.attr); - if (rc) { - kset_unregister(dump_kset); - return rc; - } - rc = dump_ccw_init(); - if (rc) - return rc; - rc = dump_fcp_init(); - if (rc) - return rc; - dump_set_type(DUMP_TYPE_NONE); - return 0; -} - -static struct shutdown_action __refdata dump_action = { - .name = SHUTDOWN_ACTION_DUMP_STR, - .fn = dump_run, - .init = dump_init, -}; - -static void dump_reipl_run(struct shutdown_trigger *trigger) -{ - u32 csum; - - csum = csum_partial(reipl_block_actual, reipl_block_actual->hdr.len, 0); - copy_to_absolute_zero(&S390_lowcore.ipib_checksum, &csum, sizeof(csum)); - copy_to_absolute_zero(&S390_lowcore.ipib, &reipl_block_actual, - sizeof(reipl_block_actual)); - dump_run(trigger); -} - -static int __init dump_reipl_init(void) -{ - if (!diag308_set_works) - return -EOPNOTSUPP; - else - return 0; -} - -static struct shutdown_action __refdata dump_reipl_action = { - .name = SHUTDOWN_ACTION_DUMP_REIPL_STR, - .fn = dump_reipl_run, - .init = dump_reipl_init, -}; - -/* - * vmcmd shutdown action: Trigger vm command on shutdown. - */ - -static char vmcmd_on_reboot[128]; -static char vmcmd_on_panic[128]; -static char vmcmd_on_halt[128]; -static char vmcmd_on_poff[128]; -static char vmcmd_on_restart[128]; - -DEFINE_IPL_ATTR_STR_RW(vmcmd, on_reboot, "%s\n", "%s\n", vmcmd_on_reboot); -DEFINE_IPL_ATTR_STR_RW(vmcmd, on_panic, "%s\n", "%s\n", vmcmd_on_panic); -DEFINE_IPL_ATTR_STR_RW(vmcmd, on_halt, "%s\n", "%s\n", vmcmd_on_halt); -DEFINE_IPL_ATTR_STR_RW(vmcmd, on_poff, "%s\n", "%s\n", vmcmd_on_poff); -DEFINE_IPL_ATTR_STR_RW(vmcmd, on_restart, "%s\n", "%s\n", vmcmd_on_restart); - -static struct attribute *vmcmd_attrs[] = { - &sys_vmcmd_on_reboot_attr.attr, - &sys_vmcmd_on_panic_attr.attr, - &sys_vmcmd_on_halt_attr.attr, - &sys_vmcmd_on_poff_attr.attr, - &sys_vmcmd_on_restart_attr.attr, - NULL, -}; - -static struct attribute_group vmcmd_attr_group = { - .attrs = vmcmd_attrs, -}; - -static struct kset *vmcmd_kset; - -static void vmcmd_run(struct shutdown_trigger *trigger) -{ - char *cmd, *next_cmd; - - if (strcmp(trigger->name, ON_REIPL_STR) == 0) - cmd = vmcmd_on_reboot; - else if (strcmp(trigger->name, ON_PANIC_STR) == 0) - cmd = vmcmd_on_panic; - else if (strcmp(trigger->name, ON_HALT_STR) == 0) - cmd = vmcmd_on_halt; - else if (strcmp(trigger->name, ON_POFF_STR) == 0) - cmd = vmcmd_on_poff; - else if (strcmp(trigger->name, ON_RESTART_STR) == 0) - cmd = vmcmd_on_restart; - else - return; - - if (strlen(cmd) == 0) - return; - do { - next_cmd = strchr(cmd, '\n'); - if (next_cmd) { - next_cmd[0] = 0; - next_cmd += 1; - } - __cpcmd(cmd, NULL, 0, NULL); - cmd = next_cmd; - } while (cmd != NULL); -} - -static int vmcmd_init(void) -{ - if (!MACHINE_IS_VM) - return -EOPNOTSUPP; - vmcmd_kset = kset_create_and_add("vmcmd", NULL, firmware_kobj); - if (!vmcmd_kset) - return -ENOMEM; - return sysfs_create_group(&vmcmd_kset->kobj, &vmcmd_attr_group); -} - -static struct shutdown_action vmcmd_action = {SHUTDOWN_ACTION_VMCMD_STR, - vmcmd_run, vmcmd_init}; - -/* - * stop shutdown action: Stop Linux on shutdown. - */ - -static void stop_run(struct shutdown_trigger *trigger) -{ - if (strcmp(trigger->name, ON_PANIC_STR) == 0 || - strcmp(trigger->name, ON_RESTART_STR) == 0) - disabled_wait((unsigned long) __builtin_return_address(0)); - smp_stop_cpu(); -} - -static struct shutdown_action stop_action = {SHUTDOWN_ACTION_STOP_STR, - stop_run, NULL}; - -/* action list */ - -static struct shutdown_action *shutdown_actions_list[] = { - &ipl_action, &reipl_action, &dump_reipl_action, &dump_action, - &vmcmd_action, &stop_action}; -#define SHUTDOWN_ACTIONS_COUNT (sizeof(shutdown_actions_list) / sizeof(void *)) - -/* - * Trigger section - */ - -static struct kset *shutdown_actions_kset; - -static int set_trigger(const char *buf, struct shutdown_trigger *trigger, - size_t len) -{ - int i; - - for (i = 0; i < SHUTDOWN_ACTIONS_COUNT; i++) { - if (sysfs_streq(buf, shutdown_actions_list[i]->name)) { - if (shutdown_actions_list[i]->init_rc) { - return shutdown_actions_list[i]->init_rc; - } else { - trigger->action = shutdown_actions_list[i]; - return len; - } - } - } - return -EINVAL; -} - -/* on reipl */ - -static struct shutdown_trigger on_reboot_trigger = {ON_REIPL_STR, - &reipl_action}; - -static ssize_t on_reboot_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", on_reboot_trigger.action->name); -} - -static ssize_t on_reboot_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return set_trigger(buf, &on_reboot_trigger, len); -} - -static struct kobj_attribute on_reboot_attr = - __ATTR(on_reboot, 0644, on_reboot_show, on_reboot_store); - -static void do_machine_restart(char *__unused) -{ - smp_send_stop(); - on_reboot_trigger.action->fn(&on_reboot_trigger); - reipl_run(NULL); -} -void (*_machine_restart)(char *command) = do_machine_restart; - -/* on panic */ - -static struct shutdown_trigger on_panic_trigger = {ON_PANIC_STR, &stop_action}; - -static ssize_t on_panic_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", on_panic_trigger.action->name); -} - -static ssize_t on_panic_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return set_trigger(buf, &on_panic_trigger, len); -} - -static struct kobj_attribute on_panic_attr = - __ATTR(on_panic, 0644, on_panic_show, on_panic_store); - -static void do_panic(void) -{ - lgr_info_log(); - on_panic_trigger.action->fn(&on_panic_trigger); - stop_run(&on_panic_trigger); -} - -/* on restart */ - -static struct shutdown_trigger on_restart_trigger = {ON_RESTART_STR, - &stop_action}; - -static ssize_t on_restart_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", on_restart_trigger.action->name); -} - -static ssize_t on_restart_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return set_trigger(buf, &on_restart_trigger, len); -} - -static struct kobj_attribute on_restart_attr = - __ATTR(on_restart, 0644, on_restart_show, on_restart_store); - -static void __do_restart(void *ignore) -{ - smp_send_stop(); -#ifdef CONFIG_CRASH_DUMP - crash_kexec(NULL); -#endif - on_restart_trigger.action->fn(&on_restart_trigger); - stop_run(&on_restart_trigger); -} - -void do_restart(void) -{ - tracing_off(); - debug_locks_off(); - lgr_info_log(); - smp_call_online_cpu(__do_restart, NULL); -} - -/* on halt */ - -static struct shutdown_trigger on_halt_trigger = {ON_HALT_STR, &stop_action}; - -static ssize_t on_halt_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", on_halt_trigger.action->name); -} - -static ssize_t on_halt_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return set_trigger(buf, &on_halt_trigger, len); -} - -static struct kobj_attribute on_halt_attr = - __ATTR(on_halt, 0644, on_halt_show, on_halt_store); - - -static void do_machine_halt(void) -{ - smp_send_stop(); - on_halt_trigger.action->fn(&on_halt_trigger); - stop_run(&on_halt_trigger); -} -void (*_machine_halt)(void) = do_machine_halt; - -/* on power off */ - -static struct shutdown_trigger on_poff_trigger = {ON_POFF_STR, &stop_action}; - -static ssize_t on_poff_show(struct kobject *kobj, - struct kobj_attribute *attr, char *page) -{ - return sprintf(page, "%s\n", on_poff_trigger.action->name); -} - -static ssize_t on_poff_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t len) -{ - return set_trigger(buf, &on_poff_trigger, len); -} - -static struct kobj_attribute on_poff_attr = - __ATTR(on_poff, 0644, on_poff_show, on_poff_store); - - -static void do_machine_power_off(void) -{ - smp_send_stop(); - on_poff_trigger.action->fn(&on_poff_trigger); - stop_run(&on_poff_trigger); -} -void (*_machine_power_off)(void) = do_machine_power_off; - -static void __init shutdown_triggers_init(void) -{ - shutdown_actions_kset = kset_create_and_add("shutdown_actions", NULL, - firmware_kobj); - if (!shutdown_actions_kset) - goto fail; - if (sysfs_create_file(&shutdown_actions_kset->kobj, - &on_reboot_attr.attr)) - goto fail; - if (sysfs_create_file(&shutdown_actions_kset->kobj, - &on_panic_attr.attr)) - goto fail; - if (sysfs_create_file(&shutdown_actions_kset->kobj, - &on_halt_attr.attr)) - goto fail; - if (sysfs_create_file(&shutdown_actions_kset->kobj, - &on_poff_attr.attr)) - goto fail; - if (sysfs_create_file(&shutdown_actions_kset->kobj, - &on_restart_attr.attr)) - goto fail; - return; -fail: - panic("shutdown_triggers_init failed\n"); -} - -static void __init shutdown_actions_init(void) -{ - int i; - - for (i = 0; i < SHUTDOWN_ACTIONS_COUNT; i++) { - if (!shutdown_actions_list[i]->init) - continue; - shutdown_actions_list[i]->init_rc = - shutdown_actions_list[i]->init(); - } -} - -static int __init s390_ipl_init(void) -{ - sclp_get_ipl_info(&sclp_ipl_info); - shutdown_actions_init(); - shutdown_triggers_init(); - return 0; -} - -__initcall(s390_ipl_init); - -static void __init strncpy_skip_quote(char *dst, char *src, int n) -{ - int sx, dx; - - dx = 0; - for (sx = 0; src[sx] != 0; sx++) { - if (src[sx] == '"') - continue; - dst[dx++] = src[sx]; - if (dx >= n) - break; - } -} - -static int __init vmcmd_on_reboot_setup(char *str) -{ - if (!MACHINE_IS_VM) - return 1; - strncpy_skip_quote(vmcmd_on_reboot, str, 127); - vmcmd_on_reboot[127] = 0; - on_reboot_trigger.action = &vmcmd_action; - return 1; -} -__setup("vmreboot=", vmcmd_on_reboot_setup); - -static int __init vmcmd_on_panic_setup(char *str) -{ - if (!MACHINE_IS_VM) - return 1; - strncpy_skip_quote(vmcmd_on_panic, str, 127); - vmcmd_on_panic[127] = 0; - on_panic_trigger.action = &vmcmd_action; - return 1; -} -__setup("vmpanic=", vmcmd_on_panic_setup); - -static int __init vmcmd_on_halt_setup(char *str) -{ - if (!MACHINE_IS_VM) - return 1; - strncpy_skip_quote(vmcmd_on_halt, str, 127); - vmcmd_on_halt[127] = 0; - on_halt_trigger.action = &vmcmd_action; - return 1; -} -__setup("vmhalt=", vmcmd_on_halt_setup); - -static int __init vmcmd_on_poff_setup(char *str) -{ - if (!MACHINE_IS_VM) - return 1; - strncpy_skip_quote(vmcmd_on_poff, str, 127); - vmcmd_on_poff[127] = 0; - on_poff_trigger.action = &vmcmd_action; - return 1; -} -__setup("vmpoff=", vmcmd_on_poff_setup); - -static int on_panic_notify(struct notifier_block *self, - unsigned long event, void *data) -{ - do_panic(); - return NOTIFY_OK; -} - -static struct notifier_block on_panic_nb = { - .notifier_call = on_panic_notify, - .priority = INT_MIN, -}; - -void __init setup_ipl(void) -{ - ipl_info.type = get_ipl_type(); - switch (ipl_info.type) { - case IPL_TYPE_CCW: - ipl_info.data.ccw.dev_id.devno = ipl_devno; - ipl_info.data.ccw.dev_id.ssid = 0; - break; - case IPL_TYPE_FCP: - case IPL_TYPE_FCP_DUMP: - ipl_info.data.fcp.dev_id.devno = - IPL_PARMBLOCK_START->ipl_info.fcp.devno; - ipl_info.data.fcp.dev_id.ssid = 0; - ipl_info.data.fcp.wwpn = IPL_PARMBLOCK_START->ipl_info.fcp.wwpn; - ipl_info.data.fcp.lun = IPL_PARMBLOCK_START->ipl_info.fcp.lun; - break; - case IPL_TYPE_NSS: - strncpy(ipl_info.data.nss.name, kernel_nss_name, - sizeof(ipl_info.data.nss.name)); - break; - case IPL_TYPE_UNKNOWN: - /* We have no info to copy */ - break; - } - atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb); -} - -void __init ipl_update_parameters(void) -{ - int rc; - - rc = diag308(DIAG308_STORE, &ipl_block); - if ((rc == DIAG308_RC_OK) || (rc == DIAG308_RC_NOCONFIG)) - diag308_set_works = 1; -} - -void __init ipl_save_parameters(void) -{ - struct cio_iplinfo iplinfo; - void *src, *dst; - - if (cio_get_iplinfo(&iplinfo)) - return; - - ipl_devno = iplinfo.devno; - ipl_flags |= IPL_DEVNO_VALID; - if (!iplinfo.is_qdio) - return; - ipl_flags |= IPL_PARMBLOCK_VALID; - src = (void *)(unsigned long)S390_lowcore.ipl_parmblock_ptr; - dst = (void *)IPL_PARMBLOCK_ORIGIN; - memmove(dst, src, PAGE_SIZE); - S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN; -} - -static LIST_HEAD(rcall); -static DEFINE_MUTEX(rcall_mutex); - -void register_reset_call(struct reset_call *reset) -{ - mutex_lock(&rcall_mutex); - list_add(&reset->list, &rcall); - mutex_unlock(&rcall_mutex); -} -EXPORT_SYMBOL_GPL(register_reset_call); - -void unregister_reset_call(struct reset_call *reset) -{ - mutex_lock(&rcall_mutex); - list_del(&reset->list); - mutex_unlock(&rcall_mutex); -} -EXPORT_SYMBOL_GPL(unregister_reset_call); - -static void do_reset_calls(void) -{ - struct reset_call *reset; - -#ifdef CONFIG_64BIT - if (diag308_set_works) { - diag308_reset(); - return; - } -#endif - list_for_each_entry(reset, &rcall, list) - reset->fn(); -} - -u32 dump_prefix_page; - -void s390_reset_system(void (*func)(void *), void *data) -{ - struct _lowcore *lc; - - lc = (struct _lowcore *)(unsigned long) store_prefix(); - - /* Stack for interrupt/machine check handler */ - lc->panic_stack = S390_lowcore.panic_stack; - - /* Save prefix page address for dump case */ - dump_prefix_page = (u32)(unsigned long) lc; - - /* Disable prefixing */ - set_prefix(0); - - /* Disable lowcore protection */ - __ctl_clear_bit(0,28); - - /* Set new machine check handler */ - S390_lowcore.mcck_new_psw.mask = psw_kernel_bits | PSW_MASK_DAT; - S390_lowcore.mcck_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) s390_base_mcck_handler; - - /* Set new program check handler */ - S390_lowcore.program_new_psw.mask = psw_kernel_bits | PSW_MASK_DAT; - S390_lowcore.program_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler; - - /* Store status at absolute zero */ - store_status(); - - do_reset_calls(); - if (func) - func(data); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/irq.c b/ANDROID_3.4.5/arch/s390/kernel/irq.c deleted file mode 100644 index 8a22c272..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/irq.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright IBM Corp. 2004,2011 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Holger Smolinski <Holger.Smolinski@de.ibm.com>, - * Thomas Spatzier <tspat@de.ibm.com>, - * - * This file contains interrupt related functions. - */ - -#include <linux/kernel_stat.h> -#include <linux/interrupt.h> -#include <linux/seq_file.h> -#include <linux/proc_fs.h> -#include <linux/profile.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/ftrace.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/cpu.h> -#include <asm/irq_regs.h> -#include <asm/cputime.h> -#include <asm/lowcore.h> -#include <asm/irq.h> -#include "entry.h" - -struct irq_class { - char *name; - char *desc; -}; - -static const struct irq_class intrclass_names[] = { - {.name = "EXT" }, - {.name = "I/O" }, - {.name = "CLK", .desc = "[EXT] Clock Comparator" }, - {.name = "EXC", .desc = "[EXT] External Call" }, - {.name = "EMS", .desc = "[EXT] Emergency Signal" }, - {.name = "TMR", .desc = "[EXT] CPU Timer" }, - {.name = "TAL", .desc = "[EXT] Timing Alert" }, - {.name = "PFL", .desc = "[EXT] Pseudo Page Fault" }, - {.name = "DSD", .desc = "[EXT] DASD Diag" }, - {.name = "VRT", .desc = "[EXT] Virtio" }, - {.name = "SCP", .desc = "[EXT] Service Call" }, - {.name = "IUC", .desc = "[EXT] IUCV" }, - {.name = "CPM", .desc = "[EXT] CPU Measurement" }, - {.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt" }, - {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" }, - {.name = "DAS", .desc = "[I/O] DASD" }, - {.name = "C15", .desc = "[I/O] 3215" }, - {.name = "C70", .desc = "[I/O] 3270" }, - {.name = "TAP", .desc = "[I/O] Tape" }, - {.name = "VMR", .desc = "[I/O] Unit Record Devices" }, - {.name = "LCS", .desc = "[I/O] LCS" }, - {.name = "CLW", .desc = "[I/O] CLAW" }, - {.name = "CTC", .desc = "[I/O] CTC" }, - {.name = "APB", .desc = "[I/O] AP Bus" }, - {.name = "CSC", .desc = "[I/O] CHSC Subchannel" }, - {.name = "NMI", .desc = "[NMI] Machine Check" }, -}; - -/* - * show_interrupts is needed by /proc/interrupts. - */ -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v, j; - - get_online_cpus(); - if (i == 0) { - seq_puts(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%d ",j); - seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - seq_printf(p, "%s: ", intrclass_names[i].name); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); -#endif - if (intrclass_names[i].desc) - seq_printf(p, " %s", intrclass_names[i].desc); - seq_putc(p, '\n'); - } - put_online_cpus(); - return 0; -} - -/* - * Switch to the asynchronous interrupt stack for softirq execution. - */ -asmlinkage void do_softirq(void) -{ - unsigned long flags, old, new; - - if (in_interrupt()) - return; - - local_irq_save(flags); - - if (local_softirq_pending()) { - /* Get current stack pointer. */ - asm volatile("la %0,0(15)" : "=a" (old)); - /* Check against async. stack address range. */ - new = S390_lowcore.async_stack; - if (((new - old) >> (PAGE_SHIFT + THREAD_ORDER)) != 0) { - /* Need to switch to the async. stack. */ - new -= STACK_FRAME_OVERHEAD; - ((struct stack_frame *) new)->back_chain = old; - - asm volatile(" la 15,0(%0)\n" - " basr 14,%2\n" - " la 15,0(%1)\n" - : : "a" (new), "a" (old), - "a" (__do_softirq) - : "0", "1", "2", "3", "4", "5", "14", - "cc", "memory" ); - } else { - /* We are already on the async stack. */ - __do_softirq(); - } - } - - local_irq_restore(flags); -} - -#ifdef CONFIG_PROC_FS -void init_irq_proc(void) -{ - struct proc_dir_entry *root_irq_dir; - - root_irq_dir = proc_mkdir("irq", NULL); - create_prof_cpu_mask(root_irq_dir); -} -#endif - -/* - * ext_int_hash[index] is the list head for all external interrupts that hash - * to this index. - */ -static struct list_head ext_int_hash[256]; - -struct ext_int_info { - ext_int_handler_t handler; - u16 code; - struct list_head entry; - struct rcu_head rcu; -}; - -/* ext_int_hash_lock protects the handler lists for external interrupts */ -DEFINE_SPINLOCK(ext_int_hash_lock); - -static void __init init_external_interrupts(void) -{ - int idx; - - for (idx = 0; idx < ARRAY_SIZE(ext_int_hash); idx++) - INIT_LIST_HEAD(&ext_int_hash[idx]); -} - -static inline int ext_hash(u16 code) -{ - return (code + (code >> 9)) & 0xff; -} - -int register_external_interrupt(u16 code, ext_int_handler_t handler) -{ - struct ext_int_info *p; - unsigned long flags; - int index; - - p = kmalloc(sizeof(*p), GFP_ATOMIC); - if (!p) - return -ENOMEM; - p->code = code; - p->handler = handler; - index = ext_hash(code); - - spin_lock_irqsave(&ext_int_hash_lock, flags); - list_add_rcu(&p->entry, &ext_int_hash[index]); - spin_unlock_irqrestore(&ext_int_hash_lock, flags); - return 0; -} -EXPORT_SYMBOL(register_external_interrupt); - -int unregister_external_interrupt(u16 code, ext_int_handler_t handler) -{ - struct ext_int_info *p; - unsigned long flags; - int index = ext_hash(code); - - spin_lock_irqsave(&ext_int_hash_lock, flags); - list_for_each_entry_rcu(p, &ext_int_hash[index], entry) { - if (p->code == code && p->handler == handler) { - list_del_rcu(&p->entry); - kfree_rcu(p, rcu); - } - } - spin_unlock_irqrestore(&ext_int_hash_lock, flags); - return 0; -} -EXPORT_SYMBOL(unregister_external_interrupt); - -void __irq_entry do_extint(struct pt_regs *regs, struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct pt_regs *old_regs; - struct ext_int_info *p; - int index; - - old_regs = set_irq_regs(regs); - irq_enter(); - if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator) { - /* Serve timer interrupts first. */ - clock_comparator_work(); - } - kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++; - if (ext_code.code != 0x1004) - __get_cpu_var(s390_idle).nohz_delay = 1; - - index = ext_hash(ext_code.code); - rcu_read_lock(); - list_for_each_entry_rcu(p, &ext_int_hash[index], entry) - if (likely(p->code == ext_code.code)) - p->handler(ext_code, param32, param64); - rcu_read_unlock(); - irq_exit(); - set_irq_regs(old_regs); -} - -void __init init_IRQ(void) -{ - init_external_interrupts(); -} - -static DEFINE_SPINLOCK(sc_irq_lock); -static int sc_irq_refcount; - -void service_subclass_irq_register(void) -{ - spin_lock(&sc_irq_lock); - if (!sc_irq_refcount) - ctl_set_bit(0, 9); - sc_irq_refcount++; - spin_unlock(&sc_irq_lock); -} -EXPORT_SYMBOL(service_subclass_irq_register); - -void service_subclass_irq_unregister(void) -{ - spin_lock(&sc_irq_lock); - sc_irq_refcount--; - if (!sc_irq_refcount) - ctl_clear_bit(0, 9); - spin_unlock(&sc_irq_lock); -} -EXPORT_SYMBOL(service_subclass_irq_unregister); - -static DEFINE_SPINLOCK(ma_subclass_lock); -static int ma_subclass_refcount; - -void measurement_alert_subclass_register(void) -{ - spin_lock(&ma_subclass_lock); - if (!ma_subclass_refcount) - ctl_set_bit(0, 5); - ma_subclass_refcount++; - spin_unlock(&ma_subclass_lock); -} -EXPORT_SYMBOL(measurement_alert_subclass_register); - -void measurement_alert_subclass_unregister(void) -{ - spin_lock(&ma_subclass_lock); - ma_subclass_refcount--; - if (!ma_subclass_refcount) - ctl_clear_bit(0, 5); - spin_unlock(&ma_subclass_lock); -} -EXPORT_SYMBOL(measurement_alert_subclass_unregister); diff --git a/ANDROID_3.4.5/arch/s390/kernel/jump_label.c b/ANDROID_3.4.5/arch/s390/kernel/jump_label.c deleted file mode 100644 index b987ab2c..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/jump_label.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Jump label s390 support - * - * Copyright IBM Corp. 2011 - * Author(s): Jan Glauber <jang@linux.vnet.ibm.com> - */ -#include <linux/module.h> -#include <linux/uaccess.h> -#include <linux/stop_machine.h> -#include <linux/jump_label.h> -#include <asm/ipl.h> - -#ifdef HAVE_JUMP_LABEL - -struct insn { - u16 opcode; - s32 offset; -} __packed; - -struct insn_args { - struct jump_entry *entry; - enum jump_label_type type; -}; - -static void __jump_label_transform(struct jump_entry *entry, - enum jump_label_type type) -{ - struct insn insn; - int rc; - - if (type == JUMP_LABEL_ENABLE) { - /* brcl 15,offset */ - insn.opcode = 0xc0f4; - insn.offset = (entry->target - entry->code) >> 1; - } else { - /* brcl 0,0 */ - insn.opcode = 0xc004; - insn.offset = 0; - } - - rc = probe_kernel_write((void *)entry->code, &insn, JUMP_LABEL_NOP_SIZE); - WARN_ON_ONCE(rc < 0); -} - -static int __sm_arch_jump_label_transform(void *data) -{ - struct insn_args *args = data; - - __jump_label_transform(args->entry, args->type); - return 0; -} - -void arch_jump_label_transform(struct jump_entry *entry, - enum jump_label_type type) -{ - struct insn_args args; - - args.entry = entry; - args.type = type; - - stop_machine(__sm_arch_jump_label_transform, &args, NULL); -} - -void arch_jump_label_transform_static(struct jump_entry *entry, - enum jump_label_type type) -{ - __jump_label_transform(entry, type); -} - -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/kprobes.c b/ANDROID_3.4.5/arch/s390/kernel/kprobes.c deleted file mode 100644 index 64b761ae..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/kprobes.c +++ /dev/null @@ -1,671 +0,0 @@ -/* - * Kernel Probes (KProbes) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2002, 2006 - * - * s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com> - */ - -#include <linux/kprobes.h> -#include <linux/ptrace.h> -#include <linux/preempt.h> -#include <linux/stop_machine.h> -#include <linux/kdebug.h> -#include <linux/uaccess.h> -#include <asm/cacheflush.h> -#include <asm/sections.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/hardirq.h> - -DEFINE_PER_CPU(struct kprobe *, current_kprobe); -DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); - -struct kretprobe_blackpoint kretprobe_blacklist[] = { }; - -static int __kprobes is_prohibited_opcode(kprobe_opcode_t *insn) -{ - switch (insn[0] >> 8) { - case 0x0c: /* bassm */ - case 0x0b: /* bsm */ - case 0x83: /* diag */ - case 0x44: /* ex */ - case 0xac: /* stnsm */ - case 0xad: /* stosm */ - return -EINVAL; - } - switch (insn[0]) { - case 0x0101: /* pr */ - case 0xb25a: /* bsa */ - case 0xb240: /* bakr */ - case 0xb258: /* bsg */ - case 0xb218: /* pc */ - case 0xb228: /* pt */ - case 0xb98d: /* epsw */ - return -EINVAL; - } - return 0; -} - -static int __kprobes get_fixup_type(kprobe_opcode_t *insn) -{ - /* default fixup method */ - int fixup = FIXUP_PSW_NORMAL; - - switch (insn[0] >> 8) { - case 0x05: /* balr */ - case 0x0d: /* basr */ - fixup = FIXUP_RETURN_REGISTER; - /* if r2 = 0, no branch will be taken */ - if ((insn[0] & 0x0f) == 0) - fixup |= FIXUP_BRANCH_NOT_TAKEN; - break; - case 0x06: /* bctr */ - case 0x07: /* bcr */ - fixup = FIXUP_BRANCH_NOT_TAKEN; - break; - case 0x45: /* bal */ - case 0x4d: /* bas */ - fixup = FIXUP_RETURN_REGISTER; - break; - case 0x47: /* bc */ - case 0x46: /* bct */ - case 0x86: /* bxh */ - case 0x87: /* bxle */ - fixup = FIXUP_BRANCH_NOT_TAKEN; - break; - case 0x82: /* lpsw */ - fixup = FIXUP_NOT_REQUIRED; - break; - case 0xb2: /* lpswe */ - if ((insn[0] & 0xff) == 0xb2) - fixup = FIXUP_NOT_REQUIRED; - break; - case 0xa7: /* bras */ - if ((insn[0] & 0x0f) == 0x05) - fixup |= FIXUP_RETURN_REGISTER; - break; - case 0xc0: - if ((insn[0] & 0x0f) == 0x00 || /* larl */ - (insn[0] & 0x0f) == 0x05) /* brasl */ - fixup |= FIXUP_RETURN_REGISTER; - break; - case 0xeb: - if ((insn[2] & 0xff) == 0x44 || /* bxhg */ - (insn[2] & 0xff) == 0x45) /* bxleg */ - fixup = FIXUP_BRANCH_NOT_TAKEN; - break; - case 0xe3: /* bctg */ - if ((insn[2] & 0xff) == 0x46) - fixup = FIXUP_BRANCH_NOT_TAKEN; - break; - } - return fixup; -} - -int __kprobes arch_prepare_kprobe(struct kprobe *p) -{ - if ((unsigned long) p->addr & 0x01) - return -EINVAL; - - /* Make sure the probe isn't going on a difficult instruction */ - if (is_prohibited_opcode(p->addr)) - return -EINVAL; - - p->opcode = *p->addr; - memcpy(p->ainsn.insn, p->addr, ((p->opcode >> 14) + 3) & -2); - - return 0; -} - -struct ins_replace_args { - kprobe_opcode_t *ptr; - kprobe_opcode_t opcode; -}; - -static int __kprobes swap_instruction(void *aref) -{ - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - unsigned long status = kcb->kprobe_status; - struct ins_replace_args *args = aref; - - kcb->kprobe_status = KPROBE_SWAP_INST; - probe_kernel_write(args->ptr, &args->opcode, sizeof(args->opcode)); - kcb->kprobe_status = status; - return 0; -} - -void __kprobes arch_arm_kprobe(struct kprobe *p) -{ - struct ins_replace_args args; - - args.ptr = p->addr; - args.opcode = BREAKPOINT_INSTRUCTION; - stop_machine(swap_instruction, &args, NULL); -} - -void __kprobes arch_disarm_kprobe(struct kprobe *p) -{ - struct ins_replace_args args; - - args.ptr = p->addr; - args.opcode = p->opcode; - stop_machine(swap_instruction, &args, NULL); -} - -void __kprobes arch_remove_kprobe(struct kprobe *p) -{ -} - -static void __kprobes enable_singlestep(struct kprobe_ctlblk *kcb, - struct pt_regs *regs, - unsigned long ip) -{ - struct per_regs per_kprobe; - - /* Set up the PER control registers %cr9-%cr11 */ - per_kprobe.control = PER_EVENT_IFETCH; - per_kprobe.start = ip; - per_kprobe.end = ip; - - /* Save control regs and psw mask */ - __ctl_store(kcb->kprobe_saved_ctl, 9, 11); - kcb->kprobe_saved_imask = regs->psw.mask & - (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT); - - /* Set PER control regs, turns on single step for the given address */ - __ctl_load(per_kprobe, 9, 11); - regs->psw.mask |= PSW_MASK_PER; - regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT); - regs->psw.addr = ip | PSW_ADDR_AMODE; -} - -static void __kprobes disable_singlestep(struct kprobe_ctlblk *kcb, - struct pt_regs *regs, - unsigned long ip) -{ - /* Restore control regs and psw mask, set new psw address */ - __ctl_load(kcb->kprobe_saved_ctl, 9, 11); - regs->psw.mask &= ~PSW_MASK_PER; - regs->psw.mask |= kcb->kprobe_saved_imask; - regs->psw.addr = ip | PSW_ADDR_AMODE; -} - -/* - * Activate a kprobe by storing its pointer to current_kprobe. The - * previous kprobe is stored in kcb->prev_kprobe. A stack of up to - * two kprobes can be active, see KPROBE_REENTER. - */ -static void __kprobes push_kprobe(struct kprobe_ctlblk *kcb, struct kprobe *p) -{ - kcb->prev_kprobe.kp = __get_cpu_var(current_kprobe); - kcb->prev_kprobe.status = kcb->kprobe_status; - __get_cpu_var(current_kprobe) = p; -} - -/* - * Deactivate a kprobe by backing up to the previous state. If the - * current state is KPROBE_REENTER prev_kprobe.kp will be non-NULL, - * for any other state prev_kprobe.kp will be NULL. - */ -static void __kprobes pop_kprobe(struct kprobe_ctlblk *kcb) -{ - __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; - kcb->kprobe_status = kcb->prev_kprobe.status; -} - -void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) -{ - ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; - - /* Replace the return addr with trampoline addr */ - regs->gprs[14] = (unsigned long) &kretprobe_trampoline; -} - -static void __kprobes kprobe_reenter_check(struct kprobe_ctlblk *kcb, - struct kprobe *p) -{ - switch (kcb->kprobe_status) { - case KPROBE_HIT_SSDONE: - case KPROBE_HIT_ACTIVE: - kprobes_inc_nmissed_count(p); - break; - case KPROBE_HIT_SS: - case KPROBE_REENTER: - default: - /* - * A kprobe on the code path to single step an instruction - * is a BUG. The code path resides in the .kprobes.text - * section and is executed with interrupts disabled. - */ - printk(KERN_EMERG "Invalid kprobe detected at %p.\n", p->addr); - dump_kprobe(p); - BUG(); - } -} - -static int __kprobes kprobe_handler(struct pt_regs *regs) -{ - struct kprobe_ctlblk *kcb; - struct kprobe *p; - - /* - * We want to disable preemption for the entire duration of kprobe - * processing. That includes the calls to the pre/post handlers - * and single stepping the kprobe instruction. - */ - preempt_disable(); - kcb = get_kprobe_ctlblk(); - p = get_kprobe((void *)((regs->psw.addr & PSW_ADDR_INSN) - 2)); - - if (p) { - if (kprobe_running()) { - /* - * We have hit a kprobe while another is still - * active. This can happen in the pre and post - * handler. Single step the instruction of the - * new probe but do not call any handler function - * of this secondary kprobe. - * push_kprobe and pop_kprobe saves and restores - * the currently active kprobe. - */ - kprobe_reenter_check(kcb, p); - push_kprobe(kcb, p); - kcb->kprobe_status = KPROBE_REENTER; - } else { - /* - * If we have no pre-handler or it returned 0, we - * continue with single stepping. If we have a - * pre-handler and it returned non-zero, it prepped - * for calling the break_handler below on re-entry - * for jprobe processing, so get out doing nothing - * more here. - */ - push_kprobe(kcb, p); - kcb->kprobe_status = KPROBE_HIT_ACTIVE; - if (p->pre_handler && p->pre_handler(p, regs)) - return 1; - kcb->kprobe_status = KPROBE_HIT_SS; - } - enable_singlestep(kcb, regs, (unsigned long) p->ainsn.insn); - return 1; - } else if (kprobe_running()) { - p = __get_cpu_var(current_kprobe); - if (p->break_handler && p->break_handler(p, regs)) { - /* - * Continuation after the jprobe completed and - * caused the jprobe_return trap. The jprobe - * break_handler "returns" to the original - * function that still has the kprobe breakpoint - * installed. We continue with single stepping. - */ - kcb->kprobe_status = KPROBE_HIT_SS; - enable_singlestep(kcb, regs, - (unsigned long) p->ainsn.insn); - return 1; - } /* else: - * No kprobe at this address and the current kprobe - * has no break handler (no jprobe!). The kernel just - * exploded, let the standard trap handler pick up the - * pieces. - */ - } /* else: - * No kprobe at this address and no active kprobe. The trap has - * not been caused by a kprobe breakpoint. The race of breakpoint - * vs. kprobe remove does not exist because on s390 as we use - * stop_machine to arm/disarm the breakpoints. - */ - preempt_enable_no_resched(); - return 0; -} - -/* - * Function return probe trampoline: - * - init_kprobes() establishes a probepoint here - * - When the probed function returns, this probe - * causes the handlers to fire - */ -static void __used kretprobe_trampoline_holder(void) -{ - asm volatile(".global kretprobe_trampoline\n" - "kretprobe_trampoline: bcr 0,0\n"); -} - -/* - * Called when the probe at kretprobe trampoline is hit - */ -static int __kprobes trampoline_probe_handler(struct kprobe *p, - struct pt_regs *regs) -{ - struct kretprobe_instance *ri; - struct hlist_head *head, empty_rp; - struct hlist_node *node, *tmp; - unsigned long flags, orig_ret_address; - unsigned long trampoline_address; - kprobe_opcode_t *correct_ret_addr; - - INIT_HLIST_HEAD(&empty_rp); - kretprobe_hash_lock(current, &head, &flags); - - /* - * It is possible to have multiple instances associated with a given - * task either because an multiple functions in the call path - * have a return probe installed on them, and/or more than one return - * return probe was registered for a target function. - * - * We can handle this because: - * - instances are always inserted at the head of the list - * - when multiple return probes are registered for the same - * function, the first instance's ret_addr will point to the - * real return address, and all the rest will point to - * kretprobe_trampoline - */ - ri = NULL; - orig_ret_address = 0; - correct_ret_addr = NULL; - trampoline_address = (unsigned long) &kretprobe_trampoline; - hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { - if (ri->task != current) - /* another task is sharing our hash bucket */ - continue; - - orig_ret_address = (unsigned long) ri->ret_addr; - - if (orig_ret_address != trampoline_address) - /* - * This is the real return address. Any other - * instances associated with this task are for - * other calls deeper on the call stack - */ - break; - } - - kretprobe_assert(ri, orig_ret_address, trampoline_address); - - correct_ret_addr = ri->ret_addr; - hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { - if (ri->task != current) - /* another task is sharing our hash bucket */ - continue; - - orig_ret_address = (unsigned long) ri->ret_addr; - - if (ri->rp && ri->rp->handler) { - ri->ret_addr = correct_ret_addr; - ri->rp->handler(ri, regs); - } - - recycle_rp_inst(ri, &empty_rp); - - if (orig_ret_address != trampoline_address) - /* - * This is the real return address. Any other - * instances associated with this task are for - * other calls deeper on the call stack - */ - break; - } - - regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE; - - pop_kprobe(get_kprobe_ctlblk()); - kretprobe_hash_unlock(current, &flags); - preempt_enable_no_resched(); - - hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { - hlist_del(&ri->hlist); - kfree(ri); - } - /* - * By returning a non-zero value, we are telling - * kprobe_handler() that we don't want the post_handler - * to run (and have re-enabled preemption) - */ - return 1; -} - -/* - * Called after single-stepping. p->addr is the address of the - * instruction whose first byte has been replaced by the "breakpoint" - * instruction. To avoid the SMP problems that can occur when we - * temporarily put back the original opcode to single-step, we - * single-stepped a copy of the instruction. The address of this - * copy is p->ainsn.insn. - */ -static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) -{ - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - unsigned long ip = regs->psw.addr & PSW_ADDR_INSN; - int fixup = get_fixup_type(p->ainsn.insn); - - if (fixup & FIXUP_PSW_NORMAL) - ip += (unsigned long) p->addr - (unsigned long) p->ainsn.insn; - - if (fixup & FIXUP_BRANCH_NOT_TAKEN) { - int ilen = ((p->ainsn.insn[0] >> 14) + 3) & -2; - if (ip - (unsigned long) p->ainsn.insn == ilen) - ip = (unsigned long) p->addr + ilen; - } - - if (fixup & FIXUP_RETURN_REGISTER) { - int reg = (p->ainsn.insn[0] & 0xf0) >> 4; - regs->gprs[reg] += (unsigned long) p->addr - - (unsigned long) p->ainsn.insn; - } - - disable_singlestep(kcb, regs, ip); -} - -static int __kprobes post_kprobe_handler(struct pt_regs *regs) -{ - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - struct kprobe *p = kprobe_running(); - - if (!p) - return 0; - - if (kcb->kprobe_status != KPROBE_REENTER && p->post_handler) { - kcb->kprobe_status = KPROBE_HIT_SSDONE; - p->post_handler(p, regs, 0); - } - - resume_execution(p, regs); - pop_kprobe(kcb); - preempt_enable_no_resched(); - - /* - * if somebody else is singlestepping across a probe point, psw mask - * will have PER set, in which case, continue the remaining processing - * of do_single_step, as if this is not a probe hit. - */ - if (regs->psw.mask & PSW_MASK_PER) - return 0; - - return 1; -} - -static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr) -{ - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - struct kprobe *p = kprobe_running(); - const struct exception_table_entry *entry; - - switch(kcb->kprobe_status) { - case KPROBE_SWAP_INST: - /* We are here because the instruction replacement failed */ - return 0; - case KPROBE_HIT_SS: - case KPROBE_REENTER: - /* - * We are here because the instruction being single - * stepped caused a page fault. We reset the current - * kprobe and the nip points back to the probe address - * and allow the page fault handler to continue as a - * normal page fault. - */ - disable_singlestep(kcb, regs, (unsigned long) p->addr); - pop_kprobe(kcb); - preempt_enable_no_resched(); - break; - case KPROBE_HIT_ACTIVE: - case KPROBE_HIT_SSDONE: - /* - * We increment the nmissed count for accounting, - * we can also use npre/npostfault count for accouting - * these specific fault cases. - */ - kprobes_inc_nmissed_count(p); - - /* - * We come here because instructions in the pre/post - * handler caused the page_fault, this could happen - * if handler tries to access user space by - * copy_from_user(), get_user() etc. Let the - * user-specified handler try to fix it first. - */ - if (p->fault_handler && p->fault_handler(p, regs, trapnr)) - return 1; - - /* - * In case the user-specified fault handler returned - * zero, try to fix up. - */ - entry = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN); - if (entry) { - regs->psw.addr = entry->fixup | PSW_ADDR_AMODE; - return 1; - } - - /* - * fixup_exception() could not handle it, - * Let do_page_fault() fix it. - */ - break; - default: - break; - } - return 0; -} - -int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) -{ - int ret; - - if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) - local_irq_disable(); - ret = kprobe_trap_handler(regs, trapnr); - if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) - local_irq_restore(regs->psw.mask & ~PSW_MASK_PER); - return ret; -} - -/* - * Wrapper routine to for handling exceptions. - */ -int __kprobes kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - struct die_args *args = (struct die_args *) data; - struct pt_regs *regs = args->regs; - int ret = NOTIFY_DONE; - - if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) - local_irq_disable(); - - switch (val) { - case DIE_BPT: - if (kprobe_handler(regs)) - ret = NOTIFY_STOP; - break; - case DIE_SSTEP: - if (post_kprobe_handler(regs)) - ret = NOTIFY_STOP; - break; - case DIE_TRAP: - if (!preemptible() && kprobe_running() && - kprobe_trap_handler(regs, args->trapnr)) - ret = NOTIFY_STOP; - break; - default: - break; - } - - if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) - local_irq_restore(regs->psw.mask & ~PSW_MASK_PER); - - return ret; -} - -int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) -{ - struct jprobe *jp = container_of(p, struct jprobe, kp); - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - unsigned long stack; - - memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs)); - - /* setup return addr to the jprobe handler routine */ - regs->psw.addr = (unsigned long) jp->entry | PSW_ADDR_AMODE; - regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT); - - /* r15 is the stack pointer */ - stack = (unsigned long) regs->gprs[15]; - - memcpy(kcb->jprobes_stack, (void *) stack, MIN_STACK_SIZE(stack)); - return 1; -} - -void __kprobes jprobe_return(void) -{ - asm volatile(".word 0x0002"); -} - -static void __used __kprobes jprobe_return_end(void) -{ - asm volatile("bcr 0,0"); -} - -int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) -{ - struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - unsigned long stack; - - stack = (unsigned long) kcb->jprobe_saved_regs.gprs[15]; - - /* Put the regs back */ - memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs)); - /* put the stack back */ - memcpy((void *) stack, kcb->jprobes_stack, MIN_STACK_SIZE(stack)); - preempt_enable_no_resched(); - return 1; -} - -static struct kprobe trampoline = { - .addr = (kprobe_opcode_t *) &kretprobe_trampoline, - .pre_handler = trampoline_probe_handler -}; - -int __init arch_init_kprobes(void) -{ - return register_kprobe(&trampoline); -} - -int __kprobes arch_trampoline_kprobe(struct kprobe *p) -{ - return p->addr == (kprobe_opcode_t *) &kretprobe_trampoline; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/lgr.c b/ANDROID_3.4.5/arch/s390/kernel/lgr.c deleted file mode 100644 index 87f080b1..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/lgr.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Linux Guest Relocation (LGR) detection - * - * Copyright IBM Corp. 2012 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#include <linux/module.h> -#include <linux/timer.h> -#include <linux/slab.h> -#include <asm/facility.h> -#include <asm/sysinfo.h> -#include <asm/ebcdic.h> -#include <asm/debug.h> -#include <asm/ipl.h> - -#define LGR_TIMER_INTERVAL_SECS (30 * 60) -#define VM_LEVEL_MAX 2 /* Maximum is 8, but we only record two levels */ - -/* - * LGR info: Contains stfle and stsi data - */ -struct lgr_info { - /* Bit field with facility information: 4 DWORDs are stored */ - u64 stfle_fac_list[4]; - /* Level of system (1 = CEC, 2 = LPAR, 3 = z/VM */ - u32 level; - /* Level 1: CEC info (stsi 1.1.1) */ - char manufacturer[16]; - char type[4]; - char sequence[16]; - char plant[4]; - char model[16]; - /* Level 2: LPAR info (stsi 2.2.2) */ - u16 lpar_number; - char name[8]; - /* Level 3: VM info (stsi 3.2.2) */ - u8 vm_count; - struct { - char name[8]; - char cpi[16]; - } vm[VM_LEVEL_MAX]; -} __packed __aligned(8); - -/* - * LGR globals - */ -static void *lgr_page; -static struct lgr_info lgr_info_last; -static struct lgr_info lgr_info_cur; -static struct debug_info *lgr_dbf; - -/* - * Return number of valid stsi levels - */ -static inline int stsi_0(void) -{ - int rc = stsi(NULL, 0, 0, 0); - - return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28); -} - -/* - * Copy buffer and then convert it to ASCII - */ -static void cpascii(char *dst, char *src, int size) -{ - memcpy(dst, src, size); - EBCASC(dst, size); -} - -/* - * Fill LGR info with 1.1.1 stsi data - */ -static void lgr_stsi_1_1_1(struct lgr_info *lgr_info) -{ - struct sysinfo_1_1_1 *si = lgr_page; - - if (stsi(si, 1, 1, 1) == -ENOSYS) - return; - cpascii(lgr_info->manufacturer, si->manufacturer, - sizeof(si->manufacturer)); - cpascii(lgr_info->type, si->type, sizeof(si->type)); - cpascii(lgr_info->model, si->model, sizeof(si->model)); - cpascii(lgr_info->sequence, si->sequence, sizeof(si->sequence)); - cpascii(lgr_info->plant, si->plant, sizeof(si->plant)); -} - -/* - * Fill LGR info with 2.2.2 stsi data - */ -static void lgr_stsi_2_2_2(struct lgr_info *lgr_info) -{ - struct sysinfo_2_2_2 *si = lgr_page; - - if (stsi(si, 2, 2, 2) == -ENOSYS) - return; - cpascii(lgr_info->name, si->name, sizeof(si->name)); - memcpy(&lgr_info->lpar_number, &si->lpar_number, - sizeof(lgr_info->lpar_number)); -} - -/* - * Fill LGR info with 3.2.2 stsi data - */ -static void lgr_stsi_3_2_2(struct lgr_info *lgr_info) -{ - struct sysinfo_3_2_2 *si = lgr_page; - int i; - - if (stsi(si, 3, 2, 2) == -ENOSYS) - return; - for (i = 0; i < min_t(u8, si->count, VM_LEVEL_MAX); i++) { - cpascii(lgr_info->vm[i].name, si->vm[i].name, - sizeof(si->vm[i].name)); - cpascii(lgr_info->vm[i].cpi, si->vm[i].cpi, - sizeof(si->vm[i].cpi)); - } - lgr_info->vm_count = si->count; -} - -/* - * Fill LGR info with current data - */ -static void lgr_info_get(struct lgr_info *lgr_info) -{ - memset(lgr_info, 0, sizeof(*lgr_info)); - stfle(lgr_info->stfle_fac_list, ARRAY_SIZE(lgr_info->stfle_fac_list)); - lgr_info->level = stsi_0(); - if (lgr_info->level == -ENOSYS) - return; - if (lgr_info->level >= 1) - lgr_stsi_1_1_1(lgr_info); - if (lgr_info->level >= 2) - lgr_stsi_2_2_2(lgr_info); - if (lgr_info->level >= 3) - lgr_stsi_3_2_2(lgr_info); -} - -/* - * Check if LGR info has changed and if yes log new LGR info to s390dbf - */ -void lgr_info_log(void) -{ - static DEFINE_SPINLOCK(lgr_info_lock); - unsigned long flags; - - if (!spin_trylock_irqsave(&lgr_info_lock, flags)) - return; - lgr_info_get(&lgr_info_cur); - if (memcmp(&lgr_info_last, &lgr_info_cur, sizeof(lgr_info_cur)) != 0) { - debug_event(lgr_dbf, 1, &lgr_info_cur, sizeof(lgr_info_cur)); - lgr_info_last = lgr_info_cur; - } - spin_unlock_irqrestore(&lgr_info_lock, flags); -} -EXPORT_SYMBOL_GPL(lgr_info_log); - -static void lgr_timer_set(void); - -/* - * LGR timer callback - */ -static void lgr_timer_fn(unsigned long ignored) -{ - lgr_info_log(); - lgr_timer_set(); -} - -static struct timer_list lgr_timer = - TIMER_DEFERRED_INITIALIZER(lgr_timer_fn, 0, 0); - -/* - * Setup next LGR timer - */ -static void lgr_timer_set(void) -{ - mod_timer(&lgr_timer, jiffies + LGR_TIMER_INTERVAL_SECS * HZ); -} - -/* - * Initialize LGR: Add s390dbf, write initial lgr_info and setup timer - */ -static int __init lgr_init(void) -{ - lgr_page = (void *) __get_free_pages(GFP_KERNEL, 0); - if (!lgr_page) - return -ENOMEM; - lgr_dbf = debug_register("lgr", 1, 1, sizeof(struct lgr_info)); - if (!lgr_dbf) { - free_page((unsigned long) lgr_page); - return -ENOMEM; - } - debug_register_view(lgr_dbf, &debug_hex_ascii_view); - lgr_info_get(&lgr_info_last); - debug_event(lgr_dbf, 1, &lgr_info_last, sizeof(lgr_info_last)); - lgr_timer_set(); - return 0; -} -module_init(lgr_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/machine_kexec.c b/ANDROID_3.4.5/arch/s390/kernel/machine_kexec.c deleted file mode 100644 index bdad47d5..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/machine_kexec.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * arch/s390/kernel/machine_kexec.c - * - * Copyright IBM Corp. 2005,2011 - * - * Author(s): Rolf Adelsberger, - * Heiko Carstens <heiko.carstens@de.ibm.com> - * Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/kexec.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/ftrace.h> -#include <linux/debug_locks.h> -#include <asm/cio.h> -#include <asm/setup.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/smp.h> -#include <asm/reset.h> -#include <asm/ipl.h> -#include <asm/diag.h> -#include <asm/asm-offsets.h> - -typedef void (*relocate_kernel_t)(kimage_entry_t *, unsigned long); - -extern const unsigned char relocate_kernel[]; -extern const unsigned long long relocate_kernel_len; - -#ifdef CONFIG_CRASH_DUMP - -void *fill_cpu_elf_notes(void *ptr, struct save_area *sa); - -/* - * Create ELF notes for one CPU - */ -static void add_elf_notes(int cpu) -{ - struct save_area *sa = (void *) 4608 + store_prefix(); - void *ptr; - - memcpy((void *) (4608UL + sa->pref_reg), sa, sizeof(*sa)); - ptr = (u64 *) per_cpu_ptr(crash_notes, cpu); - ptr = fill_cpu_elf_notes(ptr, sa); - memset(ptr, 0, sizeof(struct elf_note)); -} - -/* - * Initialize CPU ELF notes - */ -void setup_regs(void) -{ - unsigned long sa = S390_lowcore.prefixreg_save_area + SAVE_AREA_BASE; - int cpu, this_cpu; - - this_cpu = smp_find_processor_id(stap()); - add_elf_notes(this_cpu); - for_each_online_cpu(cpu) { - if (cpu == this_cpu) - continue; - if (smp_store_status(cpu)) - continue; - add_elf_notes(cpu); - } - /* Copy dump CPU store status info to absolute zero */ - memcpy((void *) SAVE_AREA_BASE, (void *) sa, sizeof(struct save_area)); -} - -#endif - -/* - * Start kdump: We expect here that a store status has been done on our CPU - */ -static void __do_machine_kdump(void *image) -{ -#ifdef CONFIG_CRASH_DUMP - int (*start_kdump)(int) = (void *)((struct kimage *) image)->start; - - __load_psw_mask(PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA); - setup_regs(); - start_kdump(1); -#endif -} - -/* - * Check if kdump checksums are valid: We call purgatory with parameter "0" - */ -static int kdump_csum_valid(struct kimage *image) -{ -#ifdef CONFIG_CRASH_DUMP - int (*start_kdump)(int) = (void *)image->start; - int rc; - - __arch_local_irq_stnsm(0xfb); /* disable DAT */ - rc = start_kdump(0); - __arch_local_irq_stosm(0x04); /* enable DAT */ - return rc ? 0 : -EINVAL; -#else - return -EINVAL; -#endif -} - -/* - * Map or unmap crashkernel memory - */ -static void crash_map_pages(int enable) -{ - unsigned long size = resource_size(&crashk_res); - - BUG_ON(crashk_res.start % KEXEC_CRASH_MEM_ALIGN || - size % KEXEC_CRASH_MEM_ALIGN); - if (enable) - vmem_add_mapping(crashk_res.start, size); - else - vmem_remove_mapping(crashk_res.start, size); -} - -/* - * Map crashkernel memory - */ -void crash_map_reserved_pages(void) -{ - crash_map_pages(1); -} - -/* - * Unmap crashkernel memory - */ -void crash_unmap_reserved_pages(void) -{ - crash_map_pages(0); -} - -/* - * Give back memory to hypervisor before new kdump is loaded - */ -static int machine_kexec_prepare_kdump(void) -{ -#ifdef CONFIG_CRASH_DUMP - if (MACHINE_IS_VM) - diag10_range(PFN_DOWN(crashk_res.start), - PFN_DOWN(crashk_res.end - crashk_res.start + 1)); - return 0; -#else - return -EINVAL; -#endif -} - -int machine_kexec_prepare(struct kimage *image) -{ - void *reboot_code_buffer; - - /* Can't replace kernel image since it is read-only. */ - if (ipl_flags & IPL_NSS_VALID) - return -ENOSYS; - - if (image->type == KEXEC_TYPE_CRASH) - return machine_kexec_prepare_kdump(); - - /* We don't support anything but the default image type for now. */ - if (image->type != KEXEC_TYPE_DEFAULT) - return -EINVAL; - - /* Get the destination where the assembler code should be copied to.*/ - reboot_code_buffer = (void *) page_to_phys(image->control_code_page); - - /* Then copy it */ - memcpy(reboot_code_buffer, relocate_kernel, relocate_kernel_len); - return 0; -} - -void machine_kexec_cleanup(struct kimage *image) -{ -} - -void arch_crash_save_vmcoreinfo(void) -{ - VMCOREINFO_SYMBOL(lowcore_ptr); - VMCOREINFO_SYMBOL(high_memory); - VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS); -} - -void machine_shutdown(void) -{ -} - -/* - * Do normal kexec - */ -static void __do_machine_kexec(void *data) -{ - relocate_kernel_t data_mover; - struct kimage *image = data; - - data_mover = (relocate_kernel_t) page_to_phys(image->control_code_page); - - /* Call the moving routine */ - (*data_mover)(&image->head, image->start); -} - -/* - * Reset system and call either kdump or normal kexec - */ -static void __machine_kexec(void *data) -{ - struct kimage *image = data; - - pfault_fini(); - tracing_off(); - debug_locks_off(); - if (image->type == KEXEC_TYPE_CRASH) { - lgr_info_log(); - s390_reset_system(__do_machine_kdump, data); - } else { - s390_reset_system(__do_machine_kexec, data); - } - disabled_wait((unsigned long) __builtin_return_address(0)); -} - -/* - * Do either kdump or normal kexec. In case of kdump we first ask - * purgatory, if kdump checksums are valid. - */ -void machine_kexec(struct kimage *image) -{ - if (image->type == KEXEC_TYPE_CRASH && !kdump_csum_valid(image)) - return; - tracer_disable(); - smp_send_stop(); - smp_call_ipl_cpu(__machine_kexec, image); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/mcount.S b/ANDROID_3.4.5/arch/s390/kernel/mcount.S deleted file mode 100644 index 7e2c38ba..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/mcount.S +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright IBM Corp. 2008,2009 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>, - * - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> - - .section .kprobes.text, "ax" - -ENTRY(ftrace_stub) - br %r14 - -ENTRY(_mcount) -#ifdef CONFIG_DYNAMIC_FTRACE - br %r14 - -ENTRY(ftrace_caller) -#endif - stm %r2,%r5,16(%r15) - bras %r1,2f -0: .long ftrace_trace_function -1: .long function_trace_stop -2: l %r2,1b-0b(%r1) - icm %r2,0xf,0(%r2) - jnz 3f - st %r14,56(%r15) - lr %r0,%r15 - ahi %r15,-96 - l %r3,100(%r15) - la %r2,0(%r14) - st %r0,__SF_BACKCHAIN(%r15) - la %r3,0(%r3) - l %r14,0b-0b(%r1) - l %r14,0(%r14) - basr %r14,%r14 -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - l %r2,100(%r15) - l %r3,152(%r15) -ENTRY(ftrace_graph_caller) -# The bras instruction gets runtime patched to call prepare_ftrace_return. -# See ftrace_enable_ftrace_graph_caller. The patched instruction is: -# bras %r14,prepare_ftrace_return - bras %r14,0f -0: st %r2,100(%r15) -#endif - ahi %r15,96 - l %r14,56(%r15) -3: lm %r2,%r5,16(%r15) - br %r14 - -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - -ENTRY(return_to_handler) - stm %r2,%r5,16(%r15) - st %r14,56(%r15) - lr %r0,%r15 - ahi %r15,-96 - st %r0,__SF_BACKCHAIN(%r15) - bras %r1,0f - .long ftrace_return_to_handler -0: l %r2,0b-0b(%r1) - basr %r14,%r2 - lr %r14,%r2 - ahi %r15,96 - lm %r2,%r5,16(%r15) - br %r14 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/mcount64.S b/ANDROID_3.4.5/arch/s390/kernel/mcount64.S deleted file mode 100644 index f70cadec..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/mcount64.S +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Copyright IBM Corp. 2008,2009 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>, - * - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> - - .section .kprobes.text, "ax" - -ENTRY(ftrace_stub) - br %r14 - -ENTRY(_mcount) -#ifdef CONFIG_DYNAMIC_FTRACE - br %r14 - -ENTRY(ftrace_caller) -#endif - larl %r1,function_trace_stop - icm %r1,0xf,0(%r1) - bnzr %r14 - stmg %r2,%r5,32(%r15) - stg %r14,112(%r15) - lgr %r1,%r15 - aghi %r15,-160 - stg %r1,__SF_BACKCHAIN(%r15) - lgr %r2,%r14 - lg %r3,168(%r15) - larl %r14,ftrace_trace_function - lg %r14,0(%r14) - basr %r14,%r14 -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - lg %r2,168(%r15) - lg %r3,272(%r15) -ENTRY(ftrace_graph_caller) -# The bras instruction gets runtime patched to call prepare_ftrace_return. -# See ftrace_enable_ftrace_graph_caller. The patched instruction is: -# bras %r14,prepare_ftrace_return - bras %r14,0f -0: stg %r2,168(%r15) -#endif - aghi %r15,160 - lmg %r2,%r5,32(%r15) - lg %r14,112(%r15) - br %r14 - -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - -ENTRY(return_to_handler) - stmg %r2,%r5,32(%r15) - lgr %r1,%r15 - aghi %r15,-160 - stg %r1,__SF_BACKCHAIN(%r15) - brasl %r14,ftrace_return_to_handler - aghi %r15,160 - lgr %r14,%r2 - lmg %r2,%r5,32(%r15) - br %r14 - -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/mem_detect.c b/ANDROID_3.4.5/arch/s390/kernel/mem_detect.c deleted file mode 100644 index 22d502e8..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/mem_detect.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright IBM Corp. 2008, 2009 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/ipl.h> -#include <asm/sclp.h> -#include <asm/setup.h> - -#define ADDR2G (1ULL << 31) - -static void find_memory_chunks(struct mem_chunk chunk[]) -{ - unsigned long long memsize, rnmax, rzm; - unsigned long addr = 0, size; - int i = 0, type; - - rzm = sclp_get_rzm(); - rnmax = sclp_get_rnmax(); - memsize = rzm * rnmax; - if (!rzm) - rzm = 1ULL << 17; - if (sizeof(long) == 4) { - rzm = min(ADDR2G, rzm); - memsize = memsize ? min(ADDR2G, memsize) : ADDR2G; - } - do { - size = 0; - type = tprot(addr); - do { - size += rzm; - if (memsize && addr + size >= memsize) - break; - } while (type == tprot(addr + size)); - if (type == CHUNK_READ_WRITE || type == CHUNK_READ_ONLY) { - chunk[i].addr = addr; - chunk[i].size = size; - chunk[i].type = type; - i++; - } - addr += size; - } while (addr < memsize && i < MEMORY_CHUNKS); -} - -void detect_memory_layout(struct mem_chunk chunk[]) -{ - unsigned long flags, cr0; - - memset(chunk, 0, MEMORY_CHUNKS * sizeof(struct mem_chunk)); - /* Disable IRQs, DAT and low address protection so tprot does the - * right thing and we don't get scheduled away with low address - * protection disabled. - */ - flags = __arch_local_irq_stnsm(0xf8); - __ctl_store(cr0, 0, 0); - __ctl_clear_bit(0, 28); - find_memory_chunks(chunk); - __ctl_load(cr0, 0, 0); - arch_local_irq_restore(flags); -} -EXPORT_SYMBOL(detect_memory_layout); - -/* - * Move memory chunks array from index "from" to index "to" - */ -static void mem_chunk_move(struct mem_chunk chunk[], int to, int from) -{ - int cnt = MEMORY_CHUNKS - to; - - memmove(&chunk[to], &chunk[from], cnt * sizeof(struct mem_chunk)); -} - -/* - * Initialize memory chunk - */ -static void mem_chunk_init(struct mem_chunk *chunk, unsigned long addr, - unsigned long size, int type) -{ - chunk->type = type; - chunk->addr = addr; - chunk->size = size; -} - -/* - * Create memory hole with given address, size, and type - */ -void create_mem_hole(struct mem_chunk chunk[], unsigned long addr, - unsigned long size, int type) -{ - unsigned long lh_start, lh_end, lh_size, ch_start, ch_end, ch_size; - int i, ch_type; - - for (i = 0; i < MEMORY_CHUNKS; i++) { - if (chunk[i].size == 0) - continue; - - /* Define chunk properties */ - ch_start = chunk[i].addr; - ch_size = chunk[i].size; - ch_end = ch_start + ch_size - 1; - ch_type = chunk[i].type; - - /* Is memory chunk hit by memory hole? */ - if (addr + size <= ch_start) - continue; /* No: memory hole in front of chunk */ - if (addr > ch_end) - continue; /* No: memory hole after chunk */ - - /* Yes: Define local hole properties */ - lh_start = max(addr, chunk[i].addr); - lh_end = min(addr + size - 1, ch_end); - lh_size = lh_end - lh_start + 1; - - if (lh_start == ch_start && lh_end == ch_end) { - /* Hole covers complete memory chunk */ - mem_chunk_init(&chunk[i], lh_start, lh_size, type); - } else if (lh_end == ch_end) { - /* Hole starts in memory chunk and convers chunk end */ - mem_chunk_move(chunk, i + 1, i); - mem_chunk_init(&chunk[i], ch_start, ch_size - lh_size, - ch_type); - mem_chunk_init(&chunk[i + 1], lh_start, lh_size, type); - i += 1; - } else if (lh_start == ch_start) { - /* Hole ends in memory chunk */ - mem_chunk_move(chunk, i + 1, i); - mem_chunk_init(&chunk[i], lh_start, lh_size, type); - mem_chunk_init(&chunk[i + 1], lh_end + 1, - ch_size - lh_size, ch_type); - break; - } else { - /* Hole splits memory chunk */ - mem_chunk_move(chunk, i + 2, i); - mem_chunk_init(&chunk[i], ch_start, - lh_start - ch_start, ch_type); - mem_chunk_init(&chunk[i + 1], lh_start, lh_size, type); - mem_chunk_init(&chunk[i + 2], lh_end + 1, - ch_end - lh_end, ch_type); - break; - } - } -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/module.c b/ANDROID_3.4.5/arch/s390/kernel/module.c deleted file mode 100644 index dfcb3436..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/module.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - * arch/s390/kernel/module.c - Kernel module help for s390. - * - * S390 version - * Copyright (C) 2002, 2003 IBM Deutschland Entwicklung GmbH, - * IBM Corporation - * Author(s): Arnd Bergmann (arndb@de.ibm.com) - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * based on i386 version - * Copyright (C) 2001 Rusty Russell. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/module.h> -#include <linux/elf.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/moduleloader.h> -#include <linux/bug.h> - -#if 0 -#define DEBUGP printk -#else -#define DEBUGP(fmt , ...) -#endif - -#ifndef CONFIG_64BIT -#define PLT_ENTRY_SIZE 12 -#else /* CONFIG_64BIT */ -#define PLT_ENTRY_SIZE 20 -#endif /* CONFIG_64BIT */ - -/* Free memory returned from module_alloc */ -void module_free(struct module *mod, void *module_region) -{ - if (mod) { - vfree(mod->arch.syminfo); - mod->arch.syminfo = NULL; - } - vfree(module_region); -} - -static void -check_rela(Elf_Rela *rela, struct module *me) -{ - struct mod_arch_syminfo *info; - - info = me->arch.syminfo + ELF_R_SYM (rela->r_info); - switch (ELF_R_TYPE (rela->r_info)) { - case R_390_GOT12: /* 12 bit GOT offset. */ - case R_390_GOT16: /* 16 bit GOT offset. */ - case R_390_GOT20: /* 20 bit GOT offset. */ - case R_390_GOT32: /* 32 bit GOT offset. */ - case R_390_GOT64: /* 64 bit GOT offset. */ - case R_390_GOTENT: /* 32 bit PC rel. to GOT entry shifted by 1. */ - case R_390_GOTPLT12: /* 12 bit offset to jump slot. */ - case R_390_GOTPLT16: /* 16 bit offset to jump slot. */ - case R_390_GOTPLT20: /* 20 bit offset to jump slot. */ - case R_390_GOTPLT32: /* 32 bit offset to jump slot. */ - case R_390_GOTPLT64: /* 64 bit offset to jump slot. */ - case R_390_GOTPLTENT: /* 32 bit rel. offset to jump slot >> 1. */ - if (info->got_offset == -1UL) { - info->got_offset = me->arch.got_size; - me->arch.got_size += sizeof(void*); - } - break; - case R_390_PLT16DBL: /* 16 bit PC rel. PLT shifted by 1. */ - case R_390_PLT32DBL: /* 32 bit PC rel. PLT shifted by 1. */ - case R_390_PLT32: /* 32 bit PC relative PLT address. */ - case R_390_PLT64: /* 64 bit PC relative PLT address. */ - case R_390_PLTOFF16: /* 16 bit offset from GOT to PLT. */ - case R_390_PLTOFF32: /* 32 bit offset from GOT to PLT. */ - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_offset == -1UL) { - info->plt_offset = me->arch.plt_size; - me->arch.plt_size += PLT_ENTRY_SIZE; - } - break; - case R_390_COPY: - case R_390_GLOB_DAT: - case R_390_JMP_SLOT: - case R_390_RELATIVE: - /* Only needed if we want to support loading of - modules linked with -shared. */ - break; - } -} - -/* - * Account for GOT and PLT relocations. We can't add sections for - * got and plt but we can increase the core module size. - */ -int -module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, - char *secstrings, struct module *me) -{ - Elf_Shdr *symtab; - Elf_Sym *symbols; - Elf_Rela *rela; - char *strings; - int nrela, i, j; - - /* Find symbol table and string table. */ - symtab = NULL; - for (i = 0; i < hdr->e_shnum; i++) - switch (sechdrs[i].sh_type) { - case SHT_SYMTAB: - symtab = sechdrs + i; - break; - } - if (!symtab) { - printk(KERN_ERR "module %s: no symbol table\n", me->name); - return -ENOEXEC; - } - - /* Allocate one syminfo structure per symbol. */ - me->arch.nsyms = symtab->sh_size / sizeof(Elf_Sym); - me->arch.syminfo = vmalloc(me->arch.nsyms * - sizeof(struct mod_arch_syminfo)); - if (!me->arch.syminfo) - return -ENOMEM; - symbols = (void *) hdr + symtab->sh_offset; - strings = (void *) hdr + sechdrs[symtab->sh_link].sh_offset; - for (i = 0; i < me->arch.nsyms; i++) { - if (symbols[i].st_shndx == SHN_UNDEF && - strcmp(strings + symbols[i].st_name, - "_GLOBAL_OFFSET_TABLE_") == 0) - /* "Define" it as absolute. */ - symbols[i].st_shndx = SHN_ABS; - me->arch.syminfo[i].got_offset = -1UL; - me->arch.syminfo[i].plt_offset = -1UL; - me->arch.syminfo[i].got_initialized = 0; - me->arch.syminfo[i].plt_initialized = 0; - } - - /* Search for got/plt relocations. */ - me->arch.got_size = me->arch.plt_size = 0; - for (i = 0; i < hdr->e_shnum; i++) { - if (sechdrs[i].sh_type != SHT_RELA) - continue; - nrela = sechdrs[i].sh_size / sizeof(Elf_Rela); - rela = (void *) hdr + sechdrs[i].sh_offset; - for (j = 0; j < nrela; j++) - check_rela(rela + j, me); - } - - /* Increase core size by size of got & plt and set start - offsets for got and plt. */ - me->core_size = ALIGN(me->core_size, 4); - me->arch.got_offset = me->core_size; - me->core_size += me->arch.got_size; - me->arch.plt_offset = me->core_size; - me->core_size += me->arch.plt_size; - return 0; -} - -static int -apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - struct module *me) -{ - struct mod_arch_syminfo *info; - Elf_Addr loc, val; - int r_type, r_sym; - - /* This is where to make the change */ - loc = base + rela->r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - r_sym = ELF_R_SYM(rela->r_info); - r_type = ELF_R_TYPE(rela->r_info); - info = me->arch.syminfo + r_sym; - val = symtab[r_sym].st_value; - - switch (r_type) { - case R_390_8: /* Direct 8 bit. */ - case R_390_12: /* Direct 12 bit. */ - case R_390_16: /* Direct 16 bit. */ - case R_390_20: /* Direct 20 bit. */ - case R_390_32: /* Direct 32 bit. */ - case R_390_64: /* Direct 64 bit. */ - val += rela->r_addend; - if (r_type == R_390_8) - *(unsigned char *) loc = val; - else if (r_type == R_390_12) - *(unsigned short *) loc = (val & 0xfff) | - (*(unsigned short *) loc & 0xf000); - else if (r_type == R_390_16) - *(unsigned short *) loc = val; - else if (r_type == R_390_20) - *(unsigned int *) loc = - (*(unsigned int *) loc & 0xf00000ff) | - (val & 0xfff) << 16 | (val & 0xff000) >> 4; - else if (r_type == R_390_32) - *(unsigned int *) loc = val; - else if (r_type == R_390_64) - *(unsigned long *) loc = val; - break; - case R_390_PC16: /* PC relative 16 bit. */ - case R_390_PC16DBL: /* PC relative 16 bit shifted by 1. */ - case R_390_PC32DBL: /* PC relative 32 bit shifted by 1. */ - case R_390_PC32: /* PC relative 32 bit. */ - case R_390_PC64: /* PC relative 64 bit. */ - val += rela->r_addend - loc; - if (r_type == R_390_PC16) - *(unsigned short *) loc = val; - else if (r_type == R_390_PC16DBL) - *(unsigned short *) loc = val >> 1; - else if (r_type == R_390_PC32DBL) - *(unsigned int *) loc = val >> 1; - else if (r_type == R_390_PC32) - *(unsigned int *) loc = val; - else if (r_type == R_390_PC64) - *(unsigned long *) loc = val; - break; - case R_390_GOT12: /* 12 bit GOT offset. */ - case R_390_GOT16: /* 16 bit GOT offset. */ - case R_390_GOT20: /* 20 bit GOT offset. */ - case R_390_GOT32: /* 32 bit GOT offset. */ - case R_390_GOT64: /* 64 bit GOT offset. */ - case R_390_GOTENT: /* 32 bit PC rel. to GOT entry shifted by 1. */ - case R_390_GOTPLT12: /* 12 bit offset to jump slot. */ - case R_390_GOTPLT20: /* 20 bit offset to jump slot. */ - case R_390_GOTPLT16: /* 16 bit offset to jump slot. */ - case R_390_GOTPLT32: /* 32 bit offset to jump slot. */ - case R_390_GOTPLT64: /* 64 bit offset to jump slot. */ - case R_390_GOTPLTENT: /* 32 bit rel. offset to jump slot >> 1. */ - if (info->got_initialized == 0) { - Elf_Addr *gotent; - - gotent = me->module_core + me->arch.got_offset + - info->got_offset; - *gotent = val; - info->got_initialized = 1; - } - val = info->got_offset + rela->r_addend; - if (r_type == R_390_GOT12 || - r_type == R_390_GOTPLT12) - *(unsigned short *) loc = (val & 0xfff) | - (*(unsigned short *) loc & 0xf000); - else if (r_type == R_390_GOT16 || - r_type == R_390_GOTPLT16) - *(unsigned short *) loc = val; - else if (r_type == R_390_GOT20 || - r_type == R_390_GOTPLT20) - *(unsigned int *) loc = - (*(unsigned int *) loc & 0xf00000ff) | - (val & 0xfff) << 16 | (val & 0xff000) >> 4; - else if (r_type == R_390_GOT32 || - r_type == R_390_GOTPLT32) - *(unsigned int *) loc = val; - else if (r_type == R_390_GOTENT || - r_type == R_390_GOTPLTENT) - *(unsigned int *) loc = - (val + (Elf_Addr) me->module_core - loc) >> 1; - else if (r_type == R_390_GOT64 || - r_type == R_390_GOTPLT64) - *(unsigned long *) loc = val; - break; - case R_390_PLT16DBL: /* 16 bit PC rel. PLT shifted by 1. */ - case R_390_PLT32DBL: /* 32 bit PC rel. PLT shifted by 1. */ - case R_390_PLT32: /* 32 bit PC relative PLT address. */ - case R_390_PLT64: /* 64 bit PC relative PLT address. */ - case R_390_PLTOFF16: /* 16 bit offset from GOT to PLT. */ - case R_390_PLTOFF32: /* 32 bit offset from GOT to PLT. */ - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_initialized == 0) { - unsigned int *ip; - ip = me->module_core + me->arch.plt_offset + - info->plt_offset; -#ifndef CONFIG_64BIT - ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ - ip[1] = 0x100607f1; - ip[2] = val; -#else /* CONFIG_64BIT */ - ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ - ip[1] = 0x100a0004; - ip[2] = 0x07f10000; - ip[3] = (unsigned int) (val >> 32); - ip[4] = (unsigned int) val; -#endif /* CONFIG_64BIT */ - info->plt_initialized = 1; - } - if (r_type == R_390_PLTOFF16 || - r_type == R_390_PLTOFF32 || - r_type == R_390_PLTOFF64) - val = me->arch.plt_offset - me->arch.got_offset + - info->plt_offset + rela->r_addend; - else { - if (!((r_type == R_390_PLT16DBL && - val - loc + 0xffffUL < 0x1ffffeUL) || - (r_type == R_390_PLT32DBL && - val - loc + 0xffffffffULL < 0x1fffffffeULL))) - val = (Elf_Addr) me->module_core + - me->arch.plt_offset + - info->plt_offset; - val += rela->r_addend - loc; - } - if (r_type == R_390_PLT16DBL) - *(unsigned short *) loc = val >> 1; - else if (r_type == R_390_PLTOFF16) - *(unsigned short *) loc = val; - else if (r_type == R_390_PLT32DBL) - *(unsigned int *) loc = val >> 1; - else if (r_type == R_390_PLT32 || - r_type == R_390_PLTOFF32) - *(unsigned int *) loc = val; - else if (r_type == R_390_PLT64 || - r_type == R_390_PLTOFF64) - *(unsigned long *) loc = val; - break; - case R_390_GOTOFF16: /* 16 bit offset to GOT. */ - case R_390_GOTOFF32: /* 32 bit offset to GOT. */ - case R_390_GOTOFF64: /* 64 bit offset to GOT. */ - val = val + rela->r_addend - - ((Elf_Addr) me->module_core + me->arch.got_offset); - if (r_type == R_390_GOTOFF16) - *(unsigned short *) loc = val; - else if (r_type == R_390_GOTOFF32) - *(unsigned int *) loc = val; - else if (r_type == R_390_GOTOFF64) - *(unsigned long *) loc = val; - break; - case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */ - case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */ - val = (Elf_Addr) me->module_core + me->arch.got_offset + - rela->r_addend - loc; - if (r_type == R_390_GOTPC) - *(unsigned int *) loc = val; - else if (r_type == R_390_GOTPCDBL) - *(unsigned int *) loc = val >> 1; - break; - case R_390_COPY: - case R_390_GLOB_DAT: /* Create GOT entry. */ - case R_390_JMP_SLOT: /* Create PLT entry. */ - case R_390_RELATIVE: /* Adjust by program base. */ - /* Only needed if we want to support loading of - modules linked with -shared. */ - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", - me->name, r_type); - return -ENOEXEC; - } - return 0; -} - -int -apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, - unsigned int symindex, unsigned int relsec, - struct module *me) -{ - Elf_Addr base; - Elf_Sym *symtab; - Elf_Rela *rela; - unsigned long i, n; - int rc; - - DEBUGP("Applying relocate section %u to %u\n", - relsec, sechdrs[relsec].sh_info); - base = sechdrs[sechdrs[relsec].sh_info].sh_addr; - symtab = (Elf_Sym *) sechdrs[symindex].sh_addr; - rela = (Elf_Rela *) sechdrs[relsec].sh_addr; - n = sechdrs[relsec].sh_size / sizeof(Elf_Rela); - - for (i = 0; i < n; i++, rela++) { - rc = apply_rela(rela, base, symtab, me); - if (rc) - return rc; - } - return 0; -} - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - vfree(me->arch.syminfo); - me->arch.syminfo = NULL; - return 0; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/nmi.c b/ANDROID_3.4.5/arch/s390/kernel/nmi.c deleted file mode 100644 index 8c372ca6..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/nmi.c +++ /dev/null @@ -1,375 +0,0 @@ -/* - * Machine check handler - * - * Copyright IBM Corp. 2000,2009 - * Author(s): Ingo Adlung <adlung@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Cornelia Huck <cornelia.huck@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - */ - -#include <linux/kernel_stat.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/hardirq.h> -#include <linux/time.h> -#include <linux/module.h> -#include <asm/lowcore.h> -#include <asm/smp.h> -#include <asm/etr.h> -#include <asm/cputime.h> -#include <asm/nmi.h> -#include <asm/crw.h> - -struct mcck_struct { - int kill_task; - int channel_report; - int warning; - unsigned long long mcck_code; -}; - -static DEFINE_PER_CPU(struct mcck_struct, cpu_mcck); - -static void s390_handle_damage(char *msg) -{ - smp_send_stop(); - disabled_wait((unsigned long) __builtin_return_address(0)); - while (1); -} - -/* - * Main machine check handler function. Will be called with interrupts enabled - * or disabled and machine checks enabled or disabled. - */ -void s390_handle_mcck(void) -{ - unsigned long flags; - struct mcck_struct mcck; - - /* - * Disable machine checks and get the current state of accumulated - * machine checks. Afterwards delete the old state and enable machine - * checks again. - */ - local_irq_save(flags); - local_mcck_disable(); - mcck = __get_cpu_var(cpu_mcck); - memset(&__get_cpu_var(cpu_mcck), 0, sizeof(struct mcck_struct)); - clear_thread_flag(TIF_MCCK_PENDING); - local_mcck_enable(); - local_irq_restore(flags); - - if (mcck.channel_report) - crw_handle_channel_report(); - /* - * A warning may remain for a prolonged period on the bare iron. - * (actually until the machine is powered off, or the problem is gone) - * So we just stop listening for the WARNING MCH and avoid continuously - * being interrupted. One caveat is however, that we must do this per - * processor and cannot use the smp version of ctl_clear_bit(). - * On VM we only get one interrupt per virtally presented machinecheck. - * Though one suffices, we may get one interrupt per (virtual) cpu. - */ - if (mcck.warning) { /* WARNING pending ? */ - static int mchchk_wng_posted = 0; - - /* Use single cpu clear, as we cannot handle smp here. */ - __ctl_clear_bit(14, 24); /* Disable WARNING MCH */ - if (xchg(&mchchk_wng_posted, 1) == 0) - kill_cad_pid(SIGPWR, 1); - } - if (mcck.kill_task) { - local_irq_enable(); - printk(KERN_EMERG "mcck: Terminating task because of machine " - "malfunction (code 0x%016llx).\n", mcck.mcck_code); - printk(KERN_EMERG "mcck: task: %s, pid: %d.\n", - current->comm, current->pid); - do_exit(SIGSEGV); - } -} -EXPORT_SYMBOL_GPL(s390_handle_mcck); - -/* - * returns 0 if all registers could be validated - * returns 1 otherwise - */ -static int notrace s390_revalidate_registers(struct mci *mci) -{ - int kill_task; - u64 zero; - void *fpt_save_area, *fpt_creg_save_area; - - kill_task = 0; - zero = 0; - - if (!mci->gr) { - /* - * General purpose registers couldn't be restored and have - * unknown contents. Process needs to be terminated. - */ - kill_task = 1; - } - if (!mci->fp) { - /* - * Floating point registers can't be restored and - * therefore the process needs to be terminated. - */ - kill_task = 1; - } -#ifndef CONFIG_64BIT - asm volatile( - " ld 0,0(%0)\n" - " ld 2,8(%0)\n" - " ld 4,16(%0)\n" - " ld 6,24(%0)" - : : "a" (&S390_lowcore.floating_pt_save_area)); -#endif - - if (MACHINE_HAS_IEEE) { -#ifdef CONFIG_64BIT - fpt_save_area = &S390_lowcore.floating_pt_save_area; - fpt_creg_save_area = &S390_lowcore.fpt_creg_save_area; -#else - fpt_save_area = (void *) S390_lowcore.extended_save_area_addr; - fpt_creg_save_area = fpt_save_area + 128; -#endif - if (!mci->fc) { - /* - * Floating point control register can't be restored. - * Task will be terminated. - */ - asm volatile("lfpc 0(%0)" : : "a" (&zero), "m" (zero)); - kill_task = 1; - - } else - asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area)); - - asm volatile( - " ld 0,0(%0)\n" - " ld 1,8(%0)\n" - " ld 2,16(%0)\n" - " ld 3,24(%0)\n" - " ld 4,32(%0)\n" - " ld 5,40(%0)\n" - " ld 6,48(%0)\n" - " ld 7,56(%0)\n" - " ld 8,64(%0)\n" - " ld 9,72(%0)\n" - " ld 10,80(%0)\n" - " ld 11,88(%0)\n" - " ld 12,96(%0)\n" - " ld 13,104(%0)\n" - " ld 14,112(%0)\n" - " ld 15,120(%0)\n" - : : "a" (fpt_save_area)); - } - /* Revalidate access registers */ - asm volatile( - " lam 0,15,0(%0)" - : : "a" (&S390_lowcore.access_regs_save_area)); - if (!mci->ar) { - /* - * Access registers have unknown contents. - * Terminating task. - */ - kill_task = 1; - } - /* Revalidate control registers */ - if (!mci->cr) { - /* - * Control registers have unknown contents. - * Can't recover and therefore stopping machine. - */ - s390_handle_damage("invalid control registers."); - } else { -#ifdef CONFIG_64BIT - asm volatile( - " lctlg 0,15,0(%0)" - : : "a" (&S390_lowcore.cregs_save_area)); -#else - asm volatile( - " lctl 0,15,0(%0)" - : : "a" (&S390_lowcore.cregs_save_area)); -#endif - } - /* - * We don't even try to revalidate the TOD register, since we simply - * can't write something sensible into that register. - */ -#ifdef CONFIG_64BIT - /* - * See if we can revalidate the TOD programmable register with its - * old contents (should be zero) otherwise set it to zero. - */ - if (!mci->pr) - asm volatile( - " sr 0,0\n" - " sckpf" - : : : "0", "cc"); - else - asm volatile( - " l 0,0(%0)\n" - " sckpf" - : : "a" (&S390_lowcore.tod_progreg_save_area) - : "0", "cc"); -#endif - /* Revalidate clock comparator register */ - if (S390_lowcore.clock_comparator == -1) - set_clock_comparator(S390_lowcore.mcck_clock); - else - set_clock_comparator(S390_lowcore.clock_comparator); - /* Check if old PSW is valid */ - if (!mci->wp) - /* - * Can't tell if we come from user or kernel mode - * -> stopping machine. - */ - s390_handle_damage("old psw invalid."); - - if (!mci->ms || !mci->pm || !mci->ia) - kill_task = 1; - - return kill_task; -} - -#define MAX_IPD_COUNT 29 -#define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */ - -#define ED_STP_ISLAND 6 /* External damage STP island check */ -#define ED_STP_SYNC 7 /* External damage STP sync check */ -#define ED_ETR_SYNC 12 /* External damage ETR sync check */ -#define ED_ETR_SWITCH 13 /* External damage ETR switch to local */ - -/* - * machine check handler. - */ -void notrace s390_do_machine_check(struct pt_regs *regs) -{ - static int ipd_count; - static DEFINE_SPINLOCK(ipd_lock); - static unsigned long long last_ipd; - struct mcck_struct *mcck; - unsigned long long tmp; - struct mci *mci; - int umode; - - nmi_enter(); - kstat_cpu(smp_processor_id()).irqs[NMI_NMI]++; - mci = (struct mci *) &S390_lowcore.mcck_interruption_code; - mcck = &__get_cpu_var(cpu_mcck); - umode = user_mode(regs); - - if (mci->sd) { - /* System damage -> stopping machine */ - s390_handle_damage("received system damage machine check."); - } - if (mci->pd) { - if (mci->b) { - /* Processing backup -> verify if we can survive this */ - u64 z_mcic, o_mcic, t_mcic; -#ifdef CONFIG_64BIT - z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<29); - o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 | - 1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 | - 1ULL<<30 | 1ULL<<21 | 1ULL<<20 | 1ULL<<17 | - 1ULL<<16); -#else - z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<57 | 1ULL<<50 | - 1ULL<<29); - o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 | - 1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 | - 1ULL<<30 | 1ULL<<20 | 1ULL<<17 | 1ULL<<16); -#endif - t_mcic = *(u64 *)mci; - - if (((t_mcic & z_mcic) != 0) || - ((t_mcic & o_mcic) != o_mcic)) { - s390_handle_damage("processing backup machine " - "check with damage."); - } - - /* - * Nullifying exigent condition, therefore we might - * retry this instruction. - */ - spin_lock(&ipd_lock); - tmp = get_clock(); - if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME) - ipd_count++; - else - ipd_count = 1; - last_ipd = tmp; - if (ipd_count == MAX_IPD_COUNT) - s390_handle_damage("too many ipd retries."); - spin_unlock(&ipd_lock); - } else { - /* Processing damage -> stopping machine */ - s390_handle_damage("received instruction processing " - "damage machine check."); - } - } - if (s390_revalidate_registers(mci)) { - if (umode) { - /* - * Couldn't restore all register contents while in - * user mode -> mark task for termination. - */ - mcck->kill_task = 1; - mcck->mcck_code = *(unsigned long long *) mci; - set_thread_flag(TIF_MCCK_PENDING); - } else { - /* - * Couldn't restore all register contents while in - * kernel mode -> stopping machine. - */ - s390_handle_damage("unable to revalidate registers."); - } - } - if (mci->cd) { - /* Timing facility damage */ - s390_handle_damage("TOD clock damaged"); - } - if (mci->ed && mci->ec) { - /* External damage */ - if (S390_lowcore.external_damage_code & (1U << ED_ETR_SYNC)) - etr_sync_check(); - if (S390_lowcore.external_damage_code & (1U << ED_ETR_SWITCH)) - etr_switch_to_local(); - if (S390_lowcore.external_damage_code & (1U << ED_STP_SYNC)) - stp_sync_check(); - if (S390_lowcore.external_damage_code & (1U << ED_STP_ISLAND)) - stp_island_check(); - } - if (mci->se) - /* Storage error uncorrected */ - s390_handle_damage("received storage error uncorrected " - "machine check."); - if (mci->ke) - /* Storage key-error uncorrected */ - s390_handle_damage("received storage key-error uncorrected " - "machine check."); - if (mci->ds && mci->fa) - /* Storage degradation */ - s390_handle_damage("received storage degradation machine " - "check."); - if (mci->cp) { - /* Channel report word pending */ - mcck->channel_report = 1; - set_thread_flag(TIF_MCCK_PENDING); - } - if (mci->w) { - /* Warning pending */ - mcck->warning = 1; - set_thread_flag(TIF_MCCK_PENDING); - } - nmi_exit(); -} - -static int __init machine_check_init(void) -{ - ctl_set_bit(14, 25); /* enable external damage MCH */ - ctl_set_bit(14, 27); /* enable system recovery MCH */ - ctl_set_bit(14, 24); /* enable warning MCH */ - return 0; -} -arch_initcall(machine_check_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/os_info.c b/ANDROID_3.4.5/arch/s390/kernel/os_info.c deleted file mode 100644 index e8d6c214..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/os_info.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * OS info memory interface - * - * Copyright IBM Corp. 2012 - * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#define KMSG_COMPONENT "os_info" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/crash_dump.h> -#include <linux/kernel.h> -#include <asm/checksum.h> -#include <asm/lowcore.h> -#include <asm/os_info.h> - -/* - * OS info structure has to be page aligned - */ -static struct os_info os_info __page_aligned_data; - -/* - * Compute checksum over OS info structure - */ -u32 os_info_csum(struct os_info *os_info) -{ - int size = sizeof(*os_info) - offsetof(struct os_info, version_major); - return csum_partial(&os_info->version_major, size, 0); -} - -/* - * Add crashkernel info to OS info and update checksum - */ -void os_info_crashkernel_add(unsigned long base, unsigned long size) -{ - os_info.crashkernel_addr = (u64)(unsigned long)base; - os_info.crashkernel_size = (u64)(unsigned long)size; - os_info.csum = os_info_csum(&os_info); -} - -/* - * Add OS info entry and update checksum - */ -void os_info_entry_add(int nr, void *ptr, u64 size) -{ - os_info.entry[nr].addr = (u64)(unsigned long)ptr; - os_info.entry[nr].size = size; - os_info.entry[nr].csum = csum_partial(ptr, size, 0); - os_info.csum = os_info_csum(&os_info); -} - -/* - * Initialize OS info struture and set lowcore pointer - */ -void __init os_info_init(void) -{ - void *ptr = &os_info; - - os_info.version_major = OS_INFO_VERSION_MAJOR; - os_info.version_minor = OS_INFO_VERSION_MINOR; - os_info.magic = OS_INFO_MAGIC; - os_info.csum = os_info_csum(&os_info); - copy_to_absolute_zero(&S390_lowcore.os_info, &ptr, sizeof(ptr)); -} - -#ifdef CONFIG_CRASH_DUMP - -static struct os_info *os_info_old; - -/* - * Allocate and copy OS info entry from oldmem - */ -static void os_info_old_alloc(int nr, int align) -{ - unsigned long addr, size = 0; - char *buf, *buf_align, *msg; - u32 csum; - - addr = os_info_old->entry[nr].addr; - if (!addr) { - msg = "not available"; - goto fail; - } - size = os_info_old->entry[nr].size; - buf = kmalloc(size + align - 1, GFP_KERNEL); - if (!buf) { - msg = "alloc failed"; - goto fail; - } - buf_align = PTR_ALIGN(buf, align); - if (copy_from_oldmem(buf_align, (void *) addr, size)) { - msg = "copy failed"; - goto fail_free; - } - csum = csum_partial(buf_align, size, 0); - if (csum != os_info_old->entry[nr].csum) { - msg = "checksum failed"; - goto fail_free; - } - os_info_old->entry[nr].addr = (u64)(unsigned long)buf_align; - msg = "copied"; - goto out; -fail_free: - kfree(buf); -fail: - os_info_old->entry[nr].addr = 0; -out: - pr_info("entry %i: %s (addr=0x%lx size=%lu)\n", - nr, msg, addr, size); -} - -/* - * Initialize os info and os info entries from oldmem - */ -static void os_info_old_init(void) -{ - static int os_info_init; - unsigned long addr; - - if (os_info_init) - return; - if (!OLDMEM_BASE) - goto fail; - if (copy_from_oldmem(&addr, &S390_lowcore.os_info, sizeof(addr))) - goto fail; - if (addr == 0 || addr % PAGE_SIZE) - goto fail; - os_info_old = kzalloc(sizeof(*os_info_old), GFP_KERNEL); - if (!os_info_old) - goto fail; - if (copy_from_oldmem(os_info_old, (void *) addr, sizeof(*os_info_old))) - goto fail_free; - if (os_info_old->magic != OS_INFO_MAGIC) - goto fail_free; - if (os_info_old->csum != os_info_csum(os_info_old)) - goto fail_free; - if (os_info_old->version_major > OS_INFO_VERSION_MAJOR) - goto fail_free; - os_info_old_alloc(OS_INFO_VMCOREINFO, 1); - os_info_old_alloc(OS_INFO_REIPL_BLOCK, 1); - os_info_old_alloc(OS_INFO_INIT_FN, PAGE_SIZE); - pr_info("crashkernel: addr=0x%lx size=%lu\n", - (unsigned long) os_info_old->crashkernel_addr, - (unsigned long) os_info_old->crashkernel_size); - os_info_init = 1; - return; -fail_free: - kfree(os_info_old); -fail: - os_info_init = 1; - os_info_old = NULL; -} - -/* - * Return pointer to os infor entry and its size - */ -void *os_info_old_entry(int nr, unsigned long *size) -{ - os_info_old_init(); - - if (!os_info_old) - return NULL; - if (!os_info_old->entry[nr].addr) - return NULL; - *size = (unsigned long) os_info_old->entry[nr].size; - return (void *)(unsigned long)os_info_old->entry[nr].addr; -} -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/perf_cpum_cf.c b/ANDROID_3.4.5/arch/s390/kernel/perf_cpum_cf.c deleted file mode 100644 index cb019f42..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/perf_cpum_cf.c +++ /dev/null @@ -1,690 +0,0 @@ -/* - * Performance event support for s390x - CPU-measurement Counter Facility - * - * Copyright IBM Corp. 2012 - * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#define KMSG_COMPONENT "cpum_cf" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel.h> -#include <linux/kernel_stat.h> -#include <linux/perf_event.h> -#include <linux/percpu.h> -#include <linux/notifier.h> -#include <linux/init.h> -#include <linux/export.h> -#include <asm/ctl_reg.h> -#include <asm/irq.h> -#include <asm/cpu_mf.h> - -/* CPU-measurement counter facility supports these CPU counter sets: - * For CPU counter sets: - * Basic counter set: 0-31 - * Problem-state counter set: 32-63 - * Crypto-activity counter set: 64-127 - * Extented counter set: 128-159 - */ -enum cpumf_ctr_set { - /* CPU counter sets */ - CPUMF_CTR_SET_BASIC = 0, - CPUMF_CTR_SET_USER = 1, - CPUMF_CTR_SET_CRYPTO = 2, - CPUMF_CTR_SET_EXT = 3, - - /* Maximum number of counter sets */ - CPUMF_CTR_SET_MAX, -}; - -#define CPUMF_LCCTL_ENABLE_SHIFT 16 -#define CPUMF_LCCTL_ACTCTL_SHIFT 0 -static const u64 cpumf_state_ctl[CPUMF_CTR_SET_MAX] = { - [CPUMF_CTR_SET_BASIC] = 0x02, - [CPUMF_CTR_SET_USER] = 0x04, - [CPUMF_CTR_SET_CRYPTO] = 0x08, - [CPUMF_CTR_SET_EXT] = 0x01, -}; - -static void ctr_set_enable(u64 *state, int ctr_set) -{ - *state |= cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT; -} -static void ctr_set_disable(u64 *state, int ctr_set) -{ - *state &= ~(cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT); -} -static void ctr_set_start(u64 *state, int ctr_set) -{ - *state |= cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT; -} -static void ctr_set_stop(u64 *state, int ctr_set) -{ - *state &= ~(cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT); -} - -/* Local CPUMF event structure */ -struct cpu_hw_events { - struct cpumf_ctr_info info; - atomic_t ctr_set[CPUMF_CTR_SET_MAX]; - u64 state, tx_state; - unsigned int flags; -}; -static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { - .ctr_set = { - [CPUMF_CTR_SET_BASIC] = ATOMIC_INIT(0), - [CPUMF_CTR_SET_USER] = ATOMIC_INIT(0), - [CPUMF_CTR_SET_CRYPTO] = ATOMIC_INIT(0), - [CPUMF_CTR_SET_EXT] = ATOMIC_INIT(0), - }, - .state = 0, - .flags = 0, -}; - -static int get_counter_set(u64 event) -{ - int set = -1; - - if (event < 32) - set = CPUMF_CTR_SET_BASIC; - else if (event < 64) - set = CPUMF_CTR_SET_USER; - else if (event < 128) - set = CPUMF_CTR_SET_CRYPTO; - else if (event < 160) - set = CPUMF_CTR_SET_EXT; - - return set; -} - -static int validate_event(const struct hw_perf_event *hwc) -{ - switch (hwc->config_base) { - case CPUMF_CTR_SET_BASIC: - case CPUMF_CTR_SET_USER: - case CPUMF_CTR_SET_CRYPTO: - case CPUMF_CTR_SET_EXT: - /* check for reserved counters */ - if ((hwc->config >= 6 && hwc->config <= 31) || - (hwc->config >= 38 && hwc->config <= 63) || - (hwc->config >= 80 && hwc->config <= 127)) - return -EOPNOTSUPP; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int validate_ctr_version(const struct hw_perf_event *hwc) -{ - struct cpu_hw_events *cpuhw; - int err = 0; - - cpuhw = &get_cpu_var(cpu_hw_events); - - /* check required version for counter sets */ - switch (hwc->config_base) { - case CPUMF_CTR_SET_BASIC: - case CPUMF_CTR_SET_USER: - if (cpuhw->info.cfvn < 1) - err = -EOPNOTSUPP; - break; - case CPUMF_CTR_SET_CRYPTO: - case CPUMF_CTR_SET_EXT: - if (cpuhw->info.csvn < 1) - err = -EOPNOTSUPP; - break; - } - - put_cpu_var(cpu_hw_events); - return err; -} - -static int validate_ctr_auth(const struct hw_perf_event *hwc) -{ - struct cpu_hw_events *cpuhw; - u64 ctrs_state; - int err = 0; - - cpuhw = &get_cpu_var(cpu_hw_events); - - /* check authorization for cpu counter sets */ - ctrs_state = cpumf_state_ctl[hwc->config_base]; - if (!(ctrs_state & cpuhw->info.auth_ctl)) - err = -EPERM; - - put_cpu_var(cpu_hw_events); - return err; -} - -/* - * Change the CPUMF state to active. - * Enable and activate the CPU-counter sets according - * to the per-cpu control state. - */ -static void cpumf_pmu_enable(struct pmu *pmu) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - int err; - - if (cpuhw->flags & PMU_F_ENABLED) - return; - - err = lcctl(cpuhw->state); - if (err) { - pr_err("Enabling the performance measuring unit " - "failed with rc=%x\n", err); - return; - } - - cpuhw->flags |= PMU_F_ENABLED; -} - -/* - * Change the CPUMF state to inactive. - * Disable and enable (inactive) the CPU-counter sets according - * to the per-cpu control state. - */ -static void cpumf_pmu_disable(struct pmu *pmu) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - int err; - u64 inactive; - - if (!(cpuhw->flags & PMU_F_ENABLED)) - return; - - inactive = cpuhw->state & ~((1 << CPUMF_LCCTL_ENABLE_SHIFT) - 1); - err = lcctl(inactive); - if (err) { - pr_err("Disabling the performance measuring unit " - "failed with rc=%x\n", err); - return; - } - - cpuhw->flags &= ~PMU_F_ENABLED; -} - - -/* Number of perf events counting hardware events */ -static atomic_t num_events = ATOMIC_INIT(0); -/* Used to avoid races in calling reserve/release_cpumf_hardware */ -static DEFINE_MUTEX(pmc_reserve_mutex); - -/* CPU-measurement alerts for the counter facility */ -static void cpumf_measurement_alert(struct ext_code ext_code, - unsigned int alert, unsigned long unused) -{ - struct cpu_hw_events *cpuhw; - - if (!(alert & CPU_MF_INT_CF_MASK)) - return; - - kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; - cpuhw = &__get_cpu_var(cpu_hw_events); - - /* Measurement alerts are shared and might happen when the PMU - * is not reserved. Ignore these alerts in this case. */ - if (!(cpuhw->flags & PMU_F_RESERVED)) - return; - - /* counter authorization change alert */ - if (alert & CPU_MF_INT_CF_CACA) - qctri(&cpuhw->info); - - /* loss of counter data alert */ - if (alert & CPU_MF_INT_CF_LCDA) - pr_err("CPU[%i] Counter data was lost\n", smp_processor_id()); -} - -#define PMC_INIT 0 -#define PMC_RELEASE 1 -static void setup_pmc_cpu(void *flags) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - - switch (*((int *) flags)) { - case PMC_INIT: - memset(&cpuhw->info, 0, sizeof(cpuhw->info)); - qctri(&cpuhw->info); - cpuhw->flags |= PMU_F_RESERVED; - break; - - case PMC_RELEASE: - cpuhw->flags &= ~PMU_F_RESERVED; - break; - } - - /* Disable CPU counter sets */ - lcctl(0); -} - -/* Initialize the CPU-measurement facility */ -static int reserve_pmc_hardware(void) -{ - int flags = PMC_INIT; - - on_each_cpu(setup_pmc_cpu, &flags, 1); - measurement_alert_subclass_register(); - - return 0; -} - -/* Release the CPU-measurement facility */ -static void release_pmc_hardware(void) -{ - int flags = PMC_RELEASE; - - on_each_cpu(setup_pmc_cpu, &flags, 1); - measurement_alert_subclass_unregister(); -} - -/* Release the PMU if event is the last perf event */ -static void hw_perf_event_destroy(struct perf_event *event) -{ - if (!atomic_add_unless(&num_events, -1, 1)) { - mutex_lock(&pmc_reserve_mutex); - if (atomic_dec_return(&num_events) == 0) - release_pmc_hardware(); - mutex_unlock(&pmc_reserve_mutex); - } -} - -/* CPUMF <-> perf event mappings for kernel+userspace (basic set) */ -static const int cpumf_generic_events_basic[] = { - [PERF_COUNT_HW_CPU_CYCLES] = 0, - [PERF_COUNT_HW_INSTRUCTIONS] = 1, - [PERF_COUNT_HW_CACHE_REFERENCES] = -1, - [PERF_COUNT_HW_CACHE_MISSES] = -1, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = -1, - [PERF_COUNT_HW_BRANCH_MISSES] = -1, - [PERF_COUNT_HW_BUS_CYCLES] = -1, -}; -/* CPUMF <-> perf event mappings for userspace (problem-state set) */ -static const int cpumf_generic_events_user[] = { - [PERF_COUNT_HW_CPU_CYCLES] = 32, - [PERF_COUNT_HW_INSTRUCTIONS] = 33, - [PERF_COUNT_HW_CACHE_REFERENCES] = -1, - [PERF_COUNT_HW_CACHE_MISSES] = -1, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = -1, - [PERF_COUNT_HW_BRANCH_MISSES] = -1, - [PERF_COUNT_HW_BUS_CYCLES] = -1, -}; - -static int __hw_perf_event_init(struct perf_event *event) -{ - struct perf_event_attr *attr = &event->attr; - struct hw_perf_event *hwc = &event->hw; - int err; - u64 ev; - - switch (attr->type) { - case PERF_TYPE_RAW: - /* Raw events are used to access counters directly, - * hence do not permit excludes */ - if (attr->exclude_kernel || attr->exclude_user || - attr->exclude_hv) - return -EOPNOTSUPP; - ev = attr->config; - break; - - case PERF_TYPE_HARDWARE: - ev = attr->config; - /* Count user space (problem-state) only */ - if (!attr->exclude_user && attr->exclude_kernel) { - if (ev >= ARRAY_SIZE(cpumf_generic_events_user)) - return -EOPNOTSUPP; - ev = cpumf_generic_events_user[ev]; - - /* No support for kernel space counters only */ - } else if (!attr->exclude_kernel && attr->exclude_user) { - return -EOPNOTSUPP; - - /* Count user and kernel space */ - } else { - if (ev >= ARRAY_SIZE(cpumf_generic_events_basic)) - return -EOPNOTSUPP; - ev = cpumf_generic_events_basic[ev]; - } - break; - - default: - return -ENOENT; - } - - if (ev == -1) - return -ENOENT; - - if (ev >= PERF_CPUM_CF_MAX_CTR) - return -EINVAL; - - /* The CPU measurement counter facility does not have any interrupts - * to do sampling. Sampling must be provided by external means, - * for example, by timers. - */ - if (hwc->sample_period) - return -EINVAL; - - /* Use the hardware perf event structure to store the counter number - * in 'config' member and the counter set to which the counter belongs - * in the 'config_base'. The counter set (config_base) is then used - * to enable/disable the counters. - */ - hwc->config = ev; - hwc->config_base = get_counter_set(ev); - - /* Validate the counter that is assigned to this event. - * Because the counter facility can use numerous counters at the - * same time without constraints, it is not necessary to explicity - * validate event groups (event->group_leader != event). - */ - err = validate_event(hwc); - if (err) - return err; - - /* Initialize for using the CPU-measurement counter facility */ - if (!atomic_inc_not_zero(&num_events)) { - mutex_lock(&pmc_reserve_mutex); - if (atomic_read(&num_events) == 0 && reserve_pmc_hardware()) - err = -EBUSY; - else - atomic_inc(&num_events); - mutex_unlock(&pmc_reserve_mutex); - } - event->destroy = hw_perf_event_destroy; - - /* Finally, validate version and authorization of the counter set */ - err = validate_ctr_auth(hwc); - if (!err) - err = validate_ctr_version(hwc); - - return err; -} - -static int cpumf_pmu_event_init(struct perf_event *event) -{ - int err; - - switch (event->attr.type) { - case PERF_TYPE_HARDWARE: - case PERF_TYPE_HW_CACHE: - case PERF_TYPE_RAW: - err = __hw_perf_event_init(event); - break; - default: - return -ENOENT; - } - - if (unlikely(err) && event->destroy) - event->destroy(event); - - return err; -} - -static int hw_perf_event_reset(struct perf_event *event) -{ - u64 prev, new; - int err; - - do { - prev = local64_read(&event->hw.prev_count); - err = ecctr(event->hw.config, &new); - if (err) { - if (err != 3) - break; - /* The counter is not (yet) available. This - * might happen if the counter set to which - * this counter belongs is in the disabled - * state. - */ - new = 0; - } - } while (local64_cmpxchg(&event->hw.prev_count, prev, new) != prev); - - return err; -} - -static int hw_perf_event_update(struct perf_event *event) -{ - u64 prev, new, delta; - int err; - - do { - prev = local64_read(&event->hw.prev_count); - err = ecctr(event->hw.config, &new); - if (err) - goto out; - } while (local64_cmpxchg(&event->hw.prev_count, prev, new) != prev); - - delta = (prev <= new) ? new - prev - : (-1ULL - prev) + new + 1; /* overflow */ - local64_add(delta, &event->count); -out: - return err; -} - -static void cpumf_pmu_read(struct perf_event *event) -{ - if (event->hw.state & PERF_HES_STOPPED) - return; - - hw_perf_event_update(event); -} - -static void cpumf_pmu_start(struct perf_event *event, int flags) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - struct hw_perf_event *hwc = &event->hw; - - if (WARN_ON_ONCE(!(hwc->state & PERF_HES_STOPPED))) - return; - - if (WARN_ON_ONCE(hwc->config == -1)) - return; - - if (flags & PERF_EF_RELOAD) - WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE)); - - hwc->state = 0; - - /* (Re-)enable and activate the counter set */ - ctr_set_enable(&cpuhw->state, hwc->config_base); - ctr_set_start(&cpuhw->state, hwc->config_base); - - /* The counter set to which this counter belongs can be already active. - * Because all counters in a set are active, the event->hw.prev_count - * needs to be synchronized. At this point, the counter set can be in - * the inactive or disabled state. - */ - hw_perf_event_reset(event); - - /* increment refcount for this counter set */ - atomic_inc(&cpuhw->ctr_set[hwc->config_base]); -} - -static void cpumf_pmu_stop(struct perf_event *event, int flags) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - struct hw_perf_event *hwc = &event->hw; - - if (!(hwc->state & PERF_HES_STOPPED)) { - /* Decrement reference count for this counter set and if this - * is the last used counter in the set, clear activation - * control and set the counter set state to inactive. - */ - if (!atomic_dec_return(&cpuhw->ctr_set[hwc->config_base])) - ctr_set_stop(&cpuhw->state, hwc->config_base); - event->hw.state |= PERF_HES_STOPPED; - } - - if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) { - hw_perf_event_update(event); - event->hw.state |= PERF_HES_UPTODATE; - } -} - -static int cpumf_pmu_add(struct perf_event *event, int flags) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - - /* Check authorization for the counter set to which this - * counter belongs. - * For group events transaction, the authorization check is - * done in cpumf_pmu_commit_txn(). - */ - if (!(cpuhw->flags & PERF_EVENT_TXN)) - if (validate_ctr_auth(&event->hw)) - return -EPERM; - - ctr_set_enable(&cpuhw->state, event->hw.config_base); - event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED; - - if (flags & PERF_EF_START) - cpumf_pmu_start(event, PERF_EF_RELOAD); - - perf_event_update_userpage(event); - - return 0; -} - -static void cpumf_pmu_del(struct perf_event *event, int flags) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - - cpumf_pmu_stop(event, PERF_EF_UPDATE); - - /* Check if any counter in the counter set is still used. If not used, - * change the counter set to the disabled state. This also clears the - * content of all counters in the set. - * - * When a new perf event has been added but not yet started, this can - * clear enable control and resets all counters in a set. Therefore, - * cpumf_pmu_start() always has to reenable a counter set. - */ - if (!atomic_read(&cpuhw->ctr_set[event->hw.config_base])) - ctr_set_disable(&cpuhw->state, event->hw.config_base); - - perf_event_update_userpage(event); -} - -/* - * Start group events scheduling transaction. - * Set flags to perform a single test at commit time. - */ -static void cpumf_pmu_start_txn(struct pmu *pmu) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - - perf_pmu_disable(pmu); - cpuhw->flags |= PERF_EVENT_TXN; - cpuhw->tx_state = cpuhw->state; -} - -/* - * Stop and cancel a group events scheduling tranctions. - * Assumes cpumf_pmu_del() is called for each successful added - * cpumf_pmu_add() during the transaction. - */ -static void cpumf_pmu_cancel_txn(struct pmu *pmu) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - - WARN_ON(cpuhw->tx_state != cpuhw->state); - - cpuhw->flags &= ~PERF_EVENT_TXN; - perf_pmu_enable(pmu); -} - -/* - * Commit the group events scheduling transaction. On success, the - * transaction is closed. On error, the transaction is kept open - * until cpumf_pmu_cancel_txn() is called. - */ -static int cpumf_pmu_commit_txn(struct pmu *pmu) -{ - struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); - u64 state; - - /* check if the updated state can be scheduled */ - state = cpuhw->state & ~((1 << CPUMF_LCCTL_ENABLE_SHIFT) - 1); - state >>= CPUMF_LCCTL_ENABLE_SHIFT; - if ((state & cpuhw->info.auth_ctl) != state) - return -EPERM; - - cpuhw->flags &= ~PERF_EVENT_TXN; - perf_pmu_enable(pmu); - return 0; -} - -/* Performance monitoring unit for s390x */ -static struct pmu cpumf_pmu = { - .pmu_enable = cpumf_pmu_enable, - .pmu_disable = cpumf_pmu_disable, - .event_init = cpumf_pmu_event_init, - .add = cpumf_pmu_add, - .del = cpumf_pmu_del, - .start = cpumf_pmu_start, - .stop = cpumf_pmu_stop, - .read = cpumf_pmu_read, - .start_txn = cpumf_pmu_start_txn, - .commit_txn = cpumf_pmu_commit_txn, - .cancel_txn = cpumf_pmu_cancel_txn, -}; - -static int __cpuinit cpumf_pmu_notifier(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - unsigned int cpu = (long) hcpu; - int flags; - - switch (action & ~CPU_TASKS_FROZEN) { - case CPU_ONLINE: - flags = PMC_INIT; - smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1); - break; - case CPU_DOWN_PREPARE: - flags = PMC_RELEASE; - smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1); - break; - default: - break; - } - - return NOTIFY_OK; -} - -static int __init cpumf_pmu_init(void) -{ - int rc; - - if (!cpum_cf_avail()) - return -ENODEV; - - /* clear bit 15 of cr0 to unauthorize problem-state to - * extract measurement counters */ - ctl_clear_bit(0, 48); - - /* register handler for measurement-alert interruptions */ - rc = register_external_interrupt(0x1407, cpumf_measurement_alert); - if (rc) { - pr_err("Registering for CPU-measurement alerts " - "failed with rc=%i\n", rc); - goto out; - } - - rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW); - if (rc) { - pr_err("Registering the cpum_cf PMU failed with rc=%i\n", rc); - unregister_external_interrupt(0x1407, cpumf_measurement_alert); - goto out; - } - perf_cpu_notifier(cpumf_pmu_notifier); -out: - return rc; -} -early_initcall(cpumf_pmu_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/perf_event.c b/ANDROID_3.4.5/arch/s390/kernel/perf_event.c deleted file mode 100644 index f58f37f6..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/perf_event.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Performance event support for s390x - * - * Copyright IBM Corp. 2012 - * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#define KMSG_COMPONENT "perf" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel.h> -#include <linux/perf_event.h> -#include <linux/percpu.h> -#include <linux/export.h> -#include <asm/irq.h> -#include <asm/cpu_mf.h> -#include <asm/lowcore.h> -#include <asm/processor.h> - -const char *perf_pmu_name(void) -{ - if (cpum_cf_avail() || cpum_sf_avail()) - return "CPU-measurement facilities (CPUMF)"; - return "pmu"; -} -EXPORT_SYMBOL(perf_pmu_name); - -int perf_num_counters(void) -{ - int num = 0; - - if (cpum_cf_avail()) - num += PERF_CPUM_CF_MAX_CTR; - - return num; -} -EXPORT_SYMBOL(perf_num_counters); - -void perf_event_print_debug(void) -{ - struct cpumf_ctr_info cf_info; - unsigned long flags; - int cpu; - - if (!cpum_cf_avail()) - return; - - local_irq_save(flags); - - cpu = smp_processor_id(); - memset(&cf_info, 0, sizeof(cf_info)); - if (!qctri(&cf_info)) { - pr_info("CPU[%i] CPUM_CF: ver=%u.%u A=%04x E=%04x C=%04x\n", - cpu, cf_info.cfvn, cf_info.csvn, - cf_info.auth_ctl, cf_info.enable_ctl, cf_info.act_ctl); - print_hex_dump_bytes("CPUMF Query: ", DUMP_PREFIX_OFFSET, - &cf_info, sizeof(cf_info)); - } - - local_irq_restore(flags); -} - -/* See also arch/s390/kernel/traps.c */ -static unsigned long __store_trace(struct perf_callchain_entry *entry, - unsigned long sp, - unsigned long low, unsigned long high) -{ - struct stack_frame *sf; - struct pt_regs *regs; - - while (1) { - sp = sp & PSW_ADDR_INSN; - if (sp < low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - perf_callchain_store(entry, sf->gprs[8] & PSW_ADDR_INSN); - /* Follow the backchain. */ - while (1) { - low = sp; - sp = sf->back_chain & PSW_ADDR_INSN; - if (!sp) - break; - if (sp <= low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - perf_callchain_store(entry, - sf->gprs[8] & PSW_ADDR_INSN); - } - /* Zero backchain detected, check for interrupt frame. */ - sp = (unsigned long) (sf + 1); - if (sp <= low || sp > high - sizeof(*regs)) - return sp; - regs = (struct pt_regs *) sp; - perf_callchain_store(entry, sf->gprs[8] & PSW_ADDR_INSN); - low = sp; - sp = regs->gprs[15]; - } -} - -void perf_callchain_kernel(struct perf_callchain_entry *entry, - struct pt_regs *regs) -{ - unsigned long head; - struct stack_frame *head_sf; - - if (user_mode(regs)) - return; - - head = regs->gprs[15]; - head_sf = (struct stack_frame *) head; - - if (!head_sf || !head_sf->back_chain) - return; - - head = head_sf->back_chain; - head = __store_trace(entry, head, S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack); - - __store_trace(entry, head, S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/process.c b/ANDROID_3.4.5/arch/s390/kernel/process.c deleted file mode 100644 index 60055cef..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/process.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * This file handles the architecture dependent parts of process handling. - * - * Copyright IBM Corp. 1999,2009 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Hartmut Penner <hp@de.ibm.com>, - * Denis Joseph Barrow, - */ - -#include <linux/compiler.h> -#include <linux/cpu.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/elfcore.h> -#include <linux/smp.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/tick.h> -#include <linux/personality.h> -#include <linux/syscalls.h> -#include <linux/compat.h> -#include <linux/kprobes.h> -#include <linux/random.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/irq.h> -#include <asm/timer.h> -#include <asm/nmi.h> -#include <asm/smp.h> -#include <asm/switch_to.h> -#include "entry.h" - -asmlinkage void ret_from_fork(void) asm ("ret_from_fork"); - -/* - * Return saved PC of a blocked thread. used in kernel/sched. - * resume in entry.S does not create a new stack frame, it - * just stores the registers %r6-%r15 to the frame given by - * schedule. We want to return the address of the caller of - * schedule, so we have to walk the backchain one time to - * find the frame schedule() store its return address. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct stack_frame *sf, *low, *high; - - if (!tsk || !task_stack_page(tsk)) - return 0; - low = task_stack_page(tsk); - high = (struct stack_frame *) task_pt_regs(tsk); - sf = (struct stack_frame *) (tsk->thread.ksp & PSW_ADDR_INSN); - if (sf <= low || sf > high) - return 0; - sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN); - if (sf <= low || sf > high) - return 0; - return sf->gprs[8]; -} - -/* - * The idle loop on a S390... - */ -static void default_idle(void) -{ - if (cpu_is_offline(smp_processor_id())) - cpu_die(); - local_irq_disable(); - if (need_resched()) { - local_irq_enable(); - return; - } - local_mcck_disable(); - if (test_thread_flag(TIF_MCCK_PENDING)) { - local_mcck_enable(); - local_irq_enable(); - return; - } - /* Halt the cpu and keep track of cpu time accounting. */ - vtime_stop_cpu(); -} - -void cpu_idle(void) -{ - for (;;) { - tick_nohz_idle_enter(); - rcu_idle_enter(); - while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING)) - default_idle(); - rcu_idle_exit(); - tick_nohz_idle_exit(); - if (test_thread_flag(TIF_MCCK_PENDING)) - s390_handle_mcck(); - schedule_preempt_disabled(); - } -} - -extern void __kprobes kernel_thread_starter(void); - -asm( - ".section .kprobes.text, \"ax\"\n" - ".global kernel_thread_starter\n" - "kernel_thread_starter:\n" - " la 2,0(10)\n" - " basr 14,9\n" - " la 2,0\n" - " br 11\n" - ".previous\n"); - -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(regs)); - regs.psw.mask = psw_kernel_bits | - PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK; - regs.psw.addr = (unsigned long) kernel_thread_starter | PSW_ADDR_AMODE; - regs.gprs[9] = (unsigned long) fn; - regs.gprs[10] = (unsigned long) arg; - regs.gprs[11] = (unsigned long) do_exit; - regs.orig_gpr2 = -1; - - /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, - 0, ®s, 0, NULL, NULL); -} -EXPORT_SYMBOL(kernel_thread); - -/* - * Free current thread data structures etc.. - */ -void exit_thread(void) -{ -} - -void flush_thread(void) -{ -} - -void release_thread(struct task_struct *dead_task) -{ -} - -int copy_thread(unsigned long clone_flags, unsigned long new_stackp, - unsigned long unused, - struct task_struct *p, struct pt_regs *regs) -{ - struct thread_info *ti; - struct fake_frame - { - struct stack_frame sf; - struct pt_regs childregs; - } *frame; - - frame = container_of(task_pt_regs(p), struct fake_frame, childregs); - p->thread.ksp = (unsigned long) frame; - /* Store access registers to kernel stack of new process. */ - frame->childregs = *regs; - frame->childregs.gprs[2] = 0; /* child returns 0 on fork. */ - frame->childregs.gprs[15] = new_stackp; - frame->sf.back_chain = 0; - - /* new return point is ret_from_fork */ - frame->sf.gprs[8] = (unsigned long) ret_from_fork; - - /* fake return stack for resume(), don't go back to schedule */ - frame->sf.gprs[9] = (unsigned long) frame; - - /* Save access registers to new thread structure. */ - save_access_regs(&p->thread.acrs[0]); - -#ifndef CONFIG_64BIT - /* - * save fprs to current->thread.fp_regs to merge them with - * the emulated registers and then copy the result to the child. - */ - save_fp_regs(¤t->thread.fp_regs); - memcpy(&p->thread.fp_regs, ¤t->thread.fp_regs, - sizeof(s390_fp_regs)); - /* Set a new TLS ? */ - if (clone_flags & CLONE_SETTLS) - p->thread.acrs[0] = regs->gprs[6]; -#else /* CONFIG_64BIT */ - /* Save the fpu registers to new thread structure. */ - save_fp_regs(&p->thread.fp_regs); - /* Set a new TLS ? */ - if (clone_flags & CLONE_SETTLS) { - if (is_compat_task()) { - p->thread.acrs[0] = (unsigned int) regs->gprs[6]; - } else { - p->thread.acrs[0] = (unsigned int)(regs->gprs[6] >> 32); - p->thread.acrs[1] = (unsigned int) regs->gprs[6]; - } - } -#endif /* CONFIG_64BIT */ - /* start new process with ar4 pointing to the correct address space */ - p->thread.mm_segment = get_fs(); - /* Don't copy debug registers */ - memset(&p->thread.per_user, 0, sizeof(p->thread.per_user)); - memset(&p->thread.per_event, 0, sizeof(p->thread.per_event)); - clear_tsk_thread_flag(p, TIF_SINGLE_STEP); - clear_tsk_thread_flag(p, TIF_PER_TRAP); - /* Initialize per thread user and system timer values */ - ti = task_thread_info(p); - ti->user_timer = 0; - ti->system_timer = 0; - return 0; -} - -SYSCALL_DEFINE0(fork) -{ - struct pt_regs *regs = task_pt_regs(current); - return do_fork(SIGCHLD, regs->gprs[15], regs, 0, NULL, NULL); -} - -SYSCALL_DEFINE4(clone, unsigned long, newsp, unsigned long, clone_flags, - int __user *, parent_tidptr, int __user *, child_tidptr) -{ - struct pt_regs *regs = task_pt_regs(current); - - if (!newsp) - newsp = regs->gprs[15]; - return do_fork(clone_flags, newsp, regs, 0, - parent_tidptr, child_tidptr); -} - -/* - * This is trivial, and on the face of it looks like it - * could equally well be done in user mode. - * - * Not so, for quite unobvious reasons - register pressure. - * In user mode vfork() cannot have a stack frame, and if - * done by calling the "clone()" system call directly, you - * do not have enough call-clobbered registers to hold all - * the information you need. - */ -SYSCALL_DEFINE0(vfork) -{ - struct pt_regs *regs = task_pt_regs(current); - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, - regs->gprs[15], regs, 0, NULL, NULL); -} - -asmlinkage void execve_tail(void) -{ - current->thread.fp_regs.fpc = 0; - if (MACHINE_HAS_IEEE) - asm volatile("sfpc %0,%0" : : "d" (0)); -} - -/* - * sys_execve() executes a new program. - */ -SYSCALL_DEFINE3(execve, const char __user *, name, - const char __user *const __user *, argv, - const char __user *const __user *, envp) -{ - struct pt_regs *regs = task_pt_regs(current); - char *filename; - long rc; - - filename = getname(name); - rc = PTR_ERR(filename); - if (IS_ERR(filename)) - return rc; - rc = do_execve(filename, argv, envp, regs); - if (rc) - goto out; - execve_tail(); - rc = regs->gprs[2]; -out: - putname(filename); - return rc; -} - -/* - * fill in the FPU structure for a core dump. - */ -int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) -{ -#ifndef CONFIG_64BIT - /* - * save fprs to current->thread.fp_regs to merge them with - * the emulated registers and then copy the result to the dump. - */ - save_fp_regs(¤t->thread.fp_regs); - memcpy(fpregs, ¤t->thread.fp_regs, sizeof(s390_fp_regs)); -#else /* CONFIG_64BIT */ - save_fp_regs(fpregs); -#endif /* CONFIG_64BIT */ - return 1; -} -EXPORT_SYMBOL(dump_fpu); - -unsigned long get_wchan(struct task_struct *p) -{ - struct stack_frame *sf, *low, *high; - unsigned long return_address; - int count; - - if (!p || p == current || p->state == TASK_RUNNING || !task_stack_page(p)) - return 0; - low = task_stack_page(p); - high = (struct stack_frame *) task_pt_regs(p); - sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN); - if (sf <= low || sf > high) - return 0; - for (count = 0; count < 16; count++) { - sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN); - if (sf <= low || sf > high) - return 0; - return_address = sf->gprs[8] & PSW_ADDR_INSN; - if (!in_sched_functions(return_address)) - return return_address; - } - return 0; -} - -unsigned long arch_align_stack(unsigned long sp) -{ - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) - sp -= get_random_int() & ~PAGE_MASK; - return sp & ~0xf; -} - -static inline unsigned long brk_rnd(void) -{ - /* 8MB for 32bit, 1GB for 64bit */ - if (is_32bit_task()) - return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; - else - return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT; -} - -unsigned long arch_randomize_brk(struct mm_struct *mm) -{ - unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd()); - - if (ret < mm->brk) - return mm->brk; - return ret; -} - -unsigned long randomize_et_dyn(unsigned long base) -{ - unsigned long ret = PAGE_ALIGN(base + brk_rnd()); - - if (!(current->flags & PF_RANDOMIZE)) - return base; - if (ret < base) - return base; - return ret; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/processor.c b/ANDROID_3.4.5/arch/s390/kernel/processor.c deleted file mode 100644 index 6e0073e4..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/processor.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * arch/s390/kernel/processor.c - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#define KMSG_COMPONENT "cpu" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/seq_file.h> -#include <linux/delay.h> -#include <linux/cpu.h> -#include <asm/elf.h> -#include <asm/lowcore.h> -#include <asm/param.h> - -static DEFINE_PER_CPU(struct cpuid, cpu_id); - -/* - * cpu_init - initializes state that is per-CPU. - */ -void __cpuinit cpu_init(void) -{ - struct cpuid *id = &per_cpu(cpu_id, smp_processor_id()); - - get_cpu_id(id); - atomic_inc(&init_mm.mm_count); - current->active_mm = &init_mm; - BUG_ON(current->mm); - enter_lazy_tlb(&init_mm, current); -} - -/* - * show_cpuinfo - Get information on one CPU for use by procfs. - */ -static int show_cpuinfo(struct seq_file *m, void *v) -{ - static const char *hwcap_str[10] = { - "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", - "edat", "etf3eh", "highgprs" - }; - unsigned long n = (unsigned long) v - 1; - int i; - - if (!n) { - s390_adjust_jiffies(); - seq_printf(m, "vendor_id : IBM/S390\n" - "# processors : %i\n" - "bogomips per cpu: %lu.%02lu\n", - num_online_cpus(), loops_per_jiffy/(500000/HZ), - (loops_per_jiffy/(5000/HZ))%100); - seq_puts(m, "features\t: "); - for (i = 0; i < 10; i++) - if (hwcap_str[i] && (elf_hwcap & (1UL << i))) - seq_printf(m, "%s ", hwcap_str[i]); - seq_puts(m, "\n"); - } - get_online_cpus(); - if (cpu_online(n)) { - struct cpuid *id = &per_cpu(cpu_id, n); - seq_printf(m, "processor %li: " - "version = %02X, " - "identification = %06X, " - "machine = %04X\n", - n, id->version, id->ident, id->machine); - } - put_online_cpus(); - return 0; -} - -static void *c_start(struct seq_file *m, loff_t *pos) -{ - return *pos < nr_cpu_ids ? (void *)((unsigned long) *pos + 1) : NULL; -} - -static void *c_next(struct seq_file *m, void *v, loff_t *pos) -{ - ++*pos; - return c_start(m, pos); -} - -static void c_stop(struct seq_file *m, void *v) -{ -} - -const struct seq_operations cpuinfo_op = { - .start = c_start, - .next = c_next, - .stop = c_stop, - .show = show_cpuinfo, -}; - diff --git a/ANDROID_3.4.5/arch/s390/kernel/ptrace.c b/ANDROID_3.4.5/arch/s390/kernel/ptrace.c deleted file mode 100644 index 02f300fb..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/ptrace.c +++ /dev/null @@ -1,1237 +0,0 @@ -/* - * Ptrace user space interface. - * - * Copyright IBM Corp. 1999,2010 - * Author(s): Denis Joseph Barrow - * Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/errno.h> -#include <linux/ptrace.h> -#include <linux/user.h> -#include <linux/security.h> -#include <linux/audit.h> -#include <linux/signal.h> -#include <linux/elf.h> -#include <linux/regset.h> -#include <linux/tracehook.h> -#include <linux/seccomp.h> -#include <linux/compat.h> -#include <trace/syscall.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/uaccess.h> -#include <asm/unistd.h> -#include <asm/switch_to.h> -#include "entry.h" - -#ifdef CONFIG_COMPAT -#include "compat_ptrace.h" -#endif - -#define CREATE_TRACE_POINTS -#include <trace/events/syscalls.h> - -enum s390_regset { - REGSET_GENERAL, - REGSET_FP, - REGSET_LAST_BREAK, - REGSET_SYSTEM_CALL, - REGSET_GENERAL_EXTENDED, -}; - -void update_per_regs(struct task_struct *task) -{ - struct pt_regs *regs = task_pt_regs(task); - struct thread_struct *thread = &task->thread; - struct per_regs old, new; - - /* Copy user specified PER registers */ - new.control = thread->per_user.control; - new.start = thread->per_user.start; - new.end = thread->per_user.end; - - /* merge TIF_SINGLE_STEP into user specified PER registers. */ - if (test_tsk_thread_flag(task, TIF_SINGLE_STEP)) { - new.control |= PER_EVENT_IFETCH; - new.start = 0; - new.end = PSW_ADDR_INSN; - } - - /* Take care of the PER enablement bit in the PSW. */ - if (!(new.control & PER_EVENT_MASK)) { - regs->psw.mask &= ~PSW_MASK_PER; - return; - } - regs->psw.mask |= PSW_MASK_PER; - __ctl_store(old, 9, 11); - if (memcmp(&new, &old, sizeof(struct per_regs)) != 0) - __ctl_load(new, 9, 11); -} - -void user_enable_single_step(struct task_struct *task) -{ - set_tsk_thread_flag(task, TIF_SINGLE_STEP); - if (task == current) - update_per_regs(task); -} - -void user_disable_single_step(struct task_struct *task) -{ - clear_tsk_thread_flag(task, TIF_SINGLE_STEP); - if (task == current) - update_per_regs(task); -} - -/* - * Called by kernel/ptrace.c when detaching.. - * - * Clear all debugging related fields. - */ -void ptrace_disable(struct task_struct *task) -{ - memset(&task->thread.per_user, 0, sizeof(task->thread.per_user)); - memset(&task->thread.per_event, 0, sizeof(task->thread.per_event)); - clear_tsk_thread_flag(task, TIF_SINGLE_STEP); - clear_tsk_thread_flag(task, TIF_PER_TRAP); -} - -#ifndef CONFIG_64BIT -# define __ADDR_MASK 3 -#else -# define __ADDR_MASK 7 -#endif - -static inline unsigned long __peek_user_per(struct task_struct *child, - addr_t addr) -{ - struct per_struct_kernel *dummy = NULL; - - if (addr == (addr_t) &dummy->cr9) - /* Control bits of the active per set. */ - return test_thread_flag(TIF_SINGLE_STEP) ? - PER_EVENT_IFETCH : child->thread.per_user.control; - else if (addr == (addr_t) &dummy->cr10) - /* Start address of the active per set. */ - return test_thread_flag(TIF_SINGLE_STEP) ? - 0 : child->thread.per_user.start; - else if (addr == (addr_t) &dummy->cr11) - /* End address of the active per set. */ - return test_thread_flag(TIF_SINGLE_STEP) ? - PSW_ADDR_INSN : child->thread.per_user.end; - else if (addr == (addr_t) &dummy->bits) - /* Single-step bit. */ - return test_thread_flag(TIF_SINGLE_STEP) ? - (1UL << (BITS_PER_LONG - 1)) : 0; - else if (addr == (addr_t) &dummy->starting_addr) - /* Start address of the user specified per set. */ - return child->thread.per_user.start; - else if (addr == (addr_t) &dummy->ending_addr) - /* End address of the user specified per set. */ - return child->thread.per_user.end; - else if (addr == (addr_t) &dummy->perc_atmid) - /* PER code, ATMID and AI of the last PER trap */ - return (unsigned long) - child->thread.per_event.cause << (BITS_PER_LONG - 16); - else if (addr == (addr_t) &dummy->address) - /* Address of the last PER trap */ - return child->thread.per_event.address; - else if (addr == (addr_t) &dummy->access_id) - /* Access id of the last PER trap */ - return (unsigned long) - child->thread.per_event.paid << (BITS_PER_LONG - 8); - return 0; -} - -/* - * Read the word at offset addr from the user area of a process. The - * trouble here is that the information is littered over different - * locations. The process registers are found on the kernel stack, - * the floating point stuff and the trace settings are stored in - * the task structure. In addition the different structures in - * struct user contain pad bytes that should be read as zeroes. - * Lovely... - */ -static unsigned long __peek_user(struct task_struct *child, addr_t addr) -{ - struct user *dummy = NULL; - addr_t offset, tmp; - - if (addr < (addr_t) &dummy->regs.acrs) { - /* - * psw and gprs are stored on the stack - */ - tmp = *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr); - if (addr == (addr_t) &dummy->regs.psw.mask) - /* Return a clean psw mask. */ - tmp = psw_user_bits | (tmp & PSW_MASK_USER); - - } else if (addr < (addr_t) &dummy->regs.orig_gpr2) { - /* - * access registers are stored in the thread structure - */ - offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_64BIT - /* - * Very special case: old & broken 64 bit gdb reading - * from acrs[15]. Result is a 64 bit value. Read the - * 32 bit acrs[15] value and shift it by 32. Sick... - */ - if (addr == (addr_t) &dummy->regs.acrs[15]) - tmp = ((unsigned long) child->thread.acrs[15]) << 32; - else -#endif - tmp = *(addr_t *)((addr_t) &child->thread.acrs + offset); - - } else if (addr == (addr_t) &dummy->regs.orig_gpr2) { - /* - * orig_gpr2 is stored on the kernel stack - */ - tmp = (addr_t) task_pt_regs(child)->orig_gpr2; - - } else if (addr < (addr_t) &dummy->regs.fp_regs) { - /* - * prevent reads of padding hole between - * orig_gpr2 and fp_regs on s390. - */ - tmp = 0; - - } else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) { - /* - * floating point regs. are stored in the thread structure - */ - offset = addr - (addr_t) &dummy->regs.fp_regs; - tmp = *(addr_t *)((addr_t) &child->thread.fp_regs + offset); - if (addr == (addr_t) &dummy->regs.fp_regs.fpc) - tmp &= (unsigned long) FPC_VALID_MASK - << (BITS_PER_LONG - 32); - - } else if (addr < (addr_t) (&dummy->regs.per_info + 1)) { - /* - * Handle access to the per_info structure. - */ - addr -= (addr_t) &dummy->regs.per_info; - tmp = __peek_user_per(child, addr); - - } else - tmp = 0; - - return tmp; -} - -static int -peek_user(struct task_struct *child, addr_t addr, addr_t data) -{ - addr_t tmp, mask; - - /* - * Stupid gdb peeks/pokes the access registers in 64 bit with - * an alignment of 4. Programmers from hell... - */ - mask = __ADDR_MASK; -#ifdef CONFIG_64BIT - if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs && - addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2) - mask = 3; -#endif - if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK) - return -EIO; - - tmp = __peek_user(child, addr); - return put_user(tmp, (addr_t __user *) data); -} - -static inline void __poke_user_per(struct task_struct *child, - addr_t addr, addr_t data) -{ - struct per_struct_kernel *dummy = NULL; - - /* - * There are only three fields in the per_info struct that the - * debugger user can write to. - * 1) cr9: the debugger wants to set a new PER event mask - * 2) starting_addr: the debugger wants to set a new starting - * address to use with the PER event mask. - * 3) ending_addr: the debugger wants to set a new ending - * address to use with the PER event mask. - * The user specified PER event mask and the start and end - * addresses are used only if single stepping is not in effect. - * Writes to any other field in per_info are ignored. - */ - if (addr == (addr_t) &dummy->cr9) - /* PER event mask of the user specified per set. */ - child->thread.per_user.control = - data & (PER_EVENT_MASK | PER_CONTROL_MASK); - else if (addr == (addr_t) &dummy->starting_addr) - /* Starting address of the user specified per set. */ - child->thread.per_user.start = data; - else if (addr == (addr_t) &dummy->ending_addr) - /* Ending address of the user specified per set. */ - child->thread.per_user.end = data; -} - -/* - * Write a word to the user area of a process at location addr. This - * operation does have an additional problem compared to peek_user. - * Stores to the program status word and on the floating point - * control register needs to get checked for validity. - */ -static int __poke_user(struct task_struct *child, addr_t addr, addr_t data) -{ - struct user *dummy = NULL; - addr_t offset; - - if (addr < (addr_t) &dummy->regs.acrs) { - /* - * psw and gprs are stored on the stack - */ - if (addr == (addr_t) &dummy->regs.psw.mask && - ((data & ~PSW_MASK_USER) != psw_user_bits || - ((data & PSW_MASK_EA) && !(data & PSW_MASK_BA)))) - /* Invalid psw mask. */ - return -EINVAL; - *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data; - - } else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) { - /* - * access registers are stored in the thread structure - */ - offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_64BIT - /* - * Very special case: old & broken 64 bit gdb writing - * to acrs[15] with a 64 bit value. Ignore the lower - * half of the value and write the upper 32 bit to - * acrs[15]. Sick... - */ - if (addr == (addr_t) &dummy->regs.acrs[15]) - child->thread.acrs[15] = (unsigned int) (data >> 32); - else -#endif - *(addr_t *)((addr_t) &child->thread.acrs + offset) = data; - - } else if (addr == (addr_t) &dummy->regs.orig_gpr2) { - /* - * orig_gpr2 is stored on the kernel stack - */ - task_pt_regs(child)->orig_gpr2 = data; - - } else if (addr < (addr_t) &dummy->regs.fp_regs) { - /* - * prevent writes of padding hole between - * orig_gpr2 and fp_regs on s390. - */ - return 0; - - } else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) { - /* - * floating point regs. are stored in the thread structure - */ - if (addr == (addr_t) &dummy->regs.fp_regs.fpc && - (data & ~((unsigned long) FPC_VALID_MASK - << (BITS_PER_LONG - 32))) != 0) - return -EINVAL; - offset = addr - (addr_t) &dummy->regs.fp_regs; - *(addr_t *)((addr_t) &child->thread.fp_regs + offset) = data; - - } else if (addr < (addr_t) (&dummy->regs.per_info + 1)) { - /* - * Handle access to the per_info structure. - */ - addr -= (addr_t) &dummy->regs.per_info; - __poke_user_per(child, addr, data); - - } - - return 0; -} - -static int poke_user(struct task_struct *child, addr_t addr, addr_t data) -{ - addr_t mask; - - /* - * Stupid gdb peeks/pokes the access registers in 64 bit with - * an alignment of 4. Programmers from hell indeed... - */ - mask = __ADDR_MASK; -#ifdef CONFIG_64BIT - if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs && - addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2) - mask = 3; -#endif - if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK) - return -EIO; - - return __poke_user(child, addr, data); -} - -long arch_ptrace(struct task_struct *child, long request, - unsigned long addr, unsigned long data) -{ - ptrace_area parea; - int copied, ret; - - switch (request) { - case PTRACE_PEEKUSR: - /* read the word at location addr in the USER area. */ - return peek_user(child, addr, data); - - case PTRACE_POKEUSR: - /* write the word at location addr in the USER area */ - return poke_user(child, addr, data); - - case PTRACE_PEEKUSR_AREA: - case PTRACE_POKEUSR_AREA: - if (copy_from_user(&parea, (void __force __user *) addr, - sizeof(parea))) - return -EFAULT; - addr = parea.kernel_addr; - data = parea.process_addr; - copied = 0; - while (copied < parea.len) { - if (request == PTRACE_PEEKUSR_AREA) - ret = peek_user(child, addr, data); - else { - addr_t utmp; - if (get_user(utmp, - (addr_t __force __user *) data)) - return -EFAULT; - ret = poke_user(child, addr, utmp); - } - if (ret) - return ret; - addr += sizeof(unsigned long); - data += sizeof(unsigned long); - copied += sizeof(unsigned long); - } - return 0; - case PTRACE_GET_LAST_BREAK: - put_user(task_thread_info(child)->last_break, - (unsigned long __user *) data); - return 0; - default: - /* Removing high order bit from addr (only for 31 bit). */ - addr &= PSW_ADDR_INSN; - return ptrace_request(child, request, addr, data); - } -} - -#ifdef CONFIG_COMPAT -/* - * Now the fun part starts... a 31 bit program running in the - * 31 bit emulation tracing another program. PTRACE_PEEKTEXT, - * PTRACE_PEEKDATA, PTRACE_POKETEXT and PTRACE_POKEDATA are easy - * to handle, the difference to the 64 bit versions of the requests - * is that the access is done in multiples of 4 byte instead of - * 8 bytes (sizeof(unsigned long) on 31/64 bit). - * The ugly part are PTRACE_PEEKUSR, PTRACE_PEEKUSR_AREA, - * PTRACE_POKEUSR and PTRACE_POKEUSR_AREA. If the traced program - * is a 31 bit program too, the content of struct user can be - * emulated. A 31 bit program peeking into the struct user of - * a 64 bit program is a no-no. - */ - -/* - * Same as peek_user_per but for a 31 bit program. - */ -static inline __u32 __peek_user_per_compat(struct task_struct *child, - addr_t addr) -{ - struct compat_per_struct_kernel *dummy32 = NULL; - - if (addr == (addr_t) &dummy32->cr9) - /* Control bits of the active per set. */ - return (__u32) test_thread_flag(TIF_SINGLE_STEP) ? - PER_EVENT_IFETCH : child->thread.per_user.control; - else if (addr == (addr_t) &dummy32->cr10) - /* Start address of the active per set. */ - return (__u32) test_thread_flag(TIF_SINGLE_STEP) ? - 0 : child->thread.per_user.start; - else if (addr == (addr_t) &dummy32->cr11) - /* End address of the active per set. */ - return test_thread_flag(TIF_SINGLE_STEP) ? - PSW32_ADDR_INSN : child->thread.per_user.end; - else if (addr == (addr_t) &dummy32->bits) - /* Single-step bit. */ - return (__u32) test_thread_flag(TIF_SINGLE_STEP) ? - 0x80000000 : 0; - else if (addr == (addr_t) &dummy32->starting_addr) - /* Start address of the user specified per set. */ - return (__u32) child->thread.per_user.start; - else if (addr == (addr_t) &dummy32->ending_addr) - /* End address of the user specified per set. */ - return (__u32) child->thread.per_user.end; - else if (addr == (addr_t) &dummy32->perc_atmid) - /* PER code, ATMID and AI of the last PER trap */ - return (__u32) child->thread.per_event.cause << 16; - else if (addr == (addr_t) &dummy32->address) - /* Address of the last PER trap */ - return (__u32) child->thread.per_event.address; - else if (addr == (addr_t) &dummy32->access_id) - /* Access id of the last PER trap */ - return (__u32) child->thread.per_event.paid << 24; - return 0; -} - -/* - * Same as peek_user but for a 31 bit program. - */ -static u32 __peek_user_compat(struct task_struct *child, addr_t addr) -{ - struct compat_user *dummy32 = NULL; - addr_t offset; - __u32 tmp; - - if (addr < (addr_t) &dummy32->regs.acrs) { - struct pt_regs *regs = task_pt_regs(child); - /* - * psw and gprs are stored on the stack - */ - if (addr == (addr_t) &dummy32->regs.psw.mask) { - /* Fake a 31 bit psw mask. */ - tmp = (__u32)(regs->psw.mask >> 32); - tmp = psw32_user_bits | (tmp & PSW32_MASK_USER); - } else if (addr == (addr_t) &dummy32->regs.psw.addr) { - /* Fake a 31 bit psw address. */ - tmp = (__u32) regs->psw.addr | - (__u32)(regs->psw.mask & PSW_MASK_BA); - } else { - /* gpr 0-15 */ - tmp = *(__u32 *)((addr_t) ®s->psw + addr*2 + 4); - } - } else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) { - /* - * access registers are stored in the thread structure - */ - offset = addr - (addr_t) &dummy32->regs.acrs; - tmp = *(__u32*)((addr_t) &child->thread.acrs + offset); - - } else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) { - /* - * orig_gpr2 is stored on the kernel stack - */ - tmp = *(__u32*)((addr_t) &task_pt_regs(child)->orig_gpr2 + 4); - - } else if (addr < (addr_t) &dummy32->regs.fp_regs) { - /* - * prevent reads of padding hole between - * orig_gpr2 and fp_regs on s390. - */ - tmp = 0; - - } else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) { - /* - * floating point regs. are stored in the thread structure - */ - offset = addr - (addr_t) &dummy32->regs.fp_regs; - tmp = *(__u32 *)((addr_t) &child->thread.fp_regs + offset); - - } else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) { - /* - * Handle access to the per_info structure. - */ - addr -= (addr_t) &dummy32->regs.per_info; - tmp = __peek_user_per_compat(child, addr); - - } else - tmp = 0; - - return tmp; -} - -static int peek_user_compat(struct task_struct *child, - addr_t addr, addr_t data) -{ - __u32 tmp; - - if (!is_compat_task() || (addr & 3) || addr > sizeof(struct user) - 3) - return -EIO; - - tmp = __peek_user_compat(child, addr); - return put_user(tmp, (__u32 __user *) data); -} - -/* - * Same as poke_user_per but for a 31 bit program. - */ -static inline void __poke_user_per_compat(struct task_struct *child, - addr_t addr, __u32 data) -{ - struct compat_per_struct_kernel *dummy32 = NULL; - - if (addr == (addr_t) &dummy32->cr9) - /* PER event mask of the user specified per set. */ - child->thread.per_user.control = - data & (PER_EVENT_MASK | PER_CONTROL_MASK); - else if (addr == (addr_t) &dummy32->starting_addr) - /* Starting address of the user specified per set. */ - child->thread.per_user.start = data; - else if (addr == (addr_t) &dummy32->ending_addr) - /* Ending address of the user specified per set. */ - child->thread.per_user.end = data; -} - -/* - * Same as poke_user but for a 31 bit program. - */ -static int __poke_user_compat(struct task_struct *child, - addr_t addr, addr_t data) -{ - struct compat_user *dummy32 = NULL; - __u32 tmp = (__u32) data; - addr_t offset; - - if (addr < (addr_t) &dummy32->regs.acrs) { - struct pt_regs *regs = task_pt_regs(child); - /* - * psw, gprs, acrs and orig_gpr2 are stored on the stack - */ - if (addr == (addr_t) &dummy32->regs.psw.mask) { - /* Build a 64 bit psw mask from 31 bit mask. */ - if ((tmp & ~PSW32_MASK_USER) != psw32_user_bits) - /* Invalid psw mask. */ - return -EINVAL; - regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) | - (regs->psw.mask & PSW_MASK_BA) | - (__u64)(tmp & PSW32_MASK_USER) << 32; - } else if (addr == (addr_t) &dummy32->regs.psw.addr) { - /* Build a 64 bit psw address from 31 bit address. */ - regs->psw.addr = (__u64) tmp & PSW32_ADDR_INSN; - /* Transfer 31 bit amode bit to psw mask. */ - regs->psw.mask = (regs->psw.mask & ~PSW_MASK_BA) | - (__u64)(tmp & PSW32_ADDR_AMODE); - } else { - /* gpr 0-15 */ - *(__u32*)((addr_t) ®s->psw + addr*2 + 4) = tmp; - } - } else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) { - /* - * access registers are stored in the thread structure - */ - offset = addr - (addr_t) &dummy32->regs.acrs; - *(__u32*)((addr_t) &child->thread.acrs + offset) = tmp; - - } else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) { - /* - * orig_gpr2 is stored on the kernel stack - */ - *(__u32*)((addr_t) &task_pt_regs(child)->orig_gpr2 + 4) = tmp; - - } else if (addr < (addr_t) &dummy32->regs.fp_regs) { - /* - * prevent writess of padding hole between - * orig_gpr2 and fp_regs on s390. - */ - return 0; - - } else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) { - /* - * floating point regs. are stored in the thread structure - */ - if (addr == (addr_t) &dummy32->regs.fp_regs.fpc && - (tmp & ~FPC_VALID_MASK) != 0) - /* Invalid floating point control. */ - return -EINVAL; - offset = addr - (addr_t) &dummy32->regs.fp_regs; - *(__u32 *)((addr_t) &child->thread.fp_regs + offset) = tmp; - - } else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) { - /* - * Handle access to the per_info structure. - */ - addr -= (addr_t) &dummy32->regs.per_info; - __poke_user_per_compat(child, addr, data); - } - - return 0; -} - -static int poke_user_compat(struct task_struct *child, - addr_t addr, addr_t data) -{ - if (!is_compat_task() || (addr & 3) || - addr > sizeof(struct compat_user) - 3) - return -EIO; - - return __poke_user_compat(child, addr, data); -} - -long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - compat_ulong_t caddr, compat_ulong_t cdata) -{ - unsigned long addr = caddr; - unsigned long data = cdata; - compat_ptrace_area parea; - int copied, ret; - - switch (request) { - case PTRACE_PEEKUSR: - /* read the word at location addr in the USER area. */ - return peek_user_compat(child, addr, data); - - case PTRACE_POKEUSR: - /* write the word at location addr in the USER area */ - return poke_user_compat(child, addr, data); - - case PTRACE_PEEKUSR_AREA: - case PTRACE_POKEUSR_AREA: - if (copy_from_user(&parea, (void __force __user *) addr, - sizeof(parea))) - return -EFAULT; - addr = parea.kernel_addr; - data = parea.process_addr; - copied = 0; - while (copied < parea.len) { - if (request == PTRACE_PEEKUSR_AREA) - ret = peek_user_compat(child, addr, data); - else { - __u32 utmp; - if (get_user(utmp, - (__u32 __force __user *) data)) - return -EFAULT; - ret = poke_user_compat(child, addr, utmp); - } - if (ret) - return ret; - addr += sizeof(unsigned int); - data += sizeof(unsigned int); - copied += sizeof(unsigned int); - } - return 0; - case PTRACE_GET_LAST_BREAK: - put_user(task_thread_info(child)->last_break, - (unsigned int __user *) data); - return 0; - } - return compat_ptrace_request(child, request, addr, data); -} -#endif - -asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) -{ - long ret = 0; - - /* Do the secure computing check first. */ - secure_computing(regs->gprs[2]); - - /* - * The sysc_tracesys code in entry.S stored the system - * call number to gprs[2]. - */ - if (test_thread_flag(TIF_SYSCALL_TRACE) && - (tracehook_report_syscall_entry(regs) || - regs->gprs[2] >= NR_syscalls)) { - /* - * Tracing decided this syscall should not happen or the - * debugger stored an invalid system call number. Skip - * the system call and the system call restart handling. - */ - clear_thread_flag(TIF_SYSCALL); - ret = -1; - } - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->gprs[2]); - - audit_syscall_entry(is_compat_task() ? - AUDIT_ARCH_S390 : AUDIT_ARCH_S390X, - regs->gprs[2], regs->orig_gpr2, - regs->gprs[3], regs->gprs[4], - regs->gprs[5]); - return ret ?: regs->gprs[2]; -} - -asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) -{ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_exit(regs, regs->gprs[2]); - - if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, 0); -} - -/* - * user_regset definitions. - */ - -static int s390_regs_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - if (target == current) - save_access_regs(target->thread.acrs); - - if (kbuf) { - unsigned long *k = kbuf; - while (count > 0) { - *k++ = __peek_user(target, pos); - count -= sizeof(*k); - pos += sizeof(*k); - } - } else { - unsigned long __user *u = ubuf; - while (count > 0) { - if (__put_user(__peek_user(target, pos), u++)) - return -EFAULT; - count -= sizeof(*u); - pos += sizeof(*u); - } - } - return 0; -} - -static int s390_regs_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - int rc = 0; - - if (target == current) - save_access_regs(target->thread.acrs); - - if (kbuf) { - const unsigned long *k = kbuf; - while (count > 0 && !rc) { - rc = __poke_user(target, pos, *k++); - count -= sizeof(*k); - pos += sizeof(*k); - } - } else { - const unsigned long __user *u = ubuf; - while (count > 0 && !rc) { - unsigned long word; - rc = __get_user(word, u++); - if (rc) - break; - rc = __poke_user(target, pos, word); - count -= sizeof(*u); - pos += sizeof(*u); - } - } - - if (rc == 0 && target == current) - restore_access_regs(target->thread.acrs); - - return rc; -} - -static int s390_fpregs_get(struct task_struct *target, - const struct user_regset *regset, unsigned int pos, - unsigned int count, void *kbuf, void __user *ubuf) -{ - if (target == current) - save_fp_regs(&target->thread.fp_regs); - - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &target->thread.fp_regs, 0, -1); -} - -static int s390_fpregs_set(struct task_struct *target, - const struct user_regset *regset, unsigned int pos, - unsigned int count, const void *kbuf, - const void __user *ubuf) -{ - int rc = 0; - - if (target == current) - save_fp_regs(&target->thread.fp_regs); - - /* If setting FPC, must validate it first. */ - if (count > 0 && pos < offsetof(s390_fp_regs, fprs)) { - u32 fpc[2] = { target->thread.fp_regs.fpc, 0 }; - rc = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &fpc, - 0, offsetof(s390_fp_regs, fprs)); - if (rc) - return rc; - if ((fpc[0] & ~FPC_VALID_MASK) != 0 || fpc[1] != 0) - return -EINVAL; - target->thread.fp_regs.fpc = fpc[0]; - } - - if (rc == 0 && count > 0) - rc = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - target->thread.fp_regs.fprs, - offsetof(s390_fp_regs, fprs), -1); - - if (rc == 0 && target == current) - restore_fp_regs(&target->thread.fp_regs); - - return rc; -} - -#ifdef CONFIG_64BIT - -static int s390_last_break_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - if (count > 0) { - if (kbuf) { - unsigned long *k = kbuf; - *k = task_thread_info(target)->last_break; - } else { - unsigned long __user *u = ubuf; - if (__put_user(task_thread_info(target)->last_break, u)) - return -EFAULT; - } - } - return 0; -} - -static int s390_last_break_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - return 0; -} - -#endif - -static int s390_system_call_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - unsigned int *data = &task_thread_info(target)->system_call; - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - data, 0, sizeof(unsigned int)); -} - -static int s390_system_call_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - unsigned int *data = &task_thread_info(target)->system_call; - return user_regset_copyin(&pos, &count, &kbuf, &ubuf, - data, 0, sizeof(unsigned int)); -} - -static const struct user_regset s390_regsets[] = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(s390_regs) / sizeof(long), - .size = sizeof(long), - .align = sizeof(long), - .get = s390_regs_get, - .set = s390_regs_set, - }, - [REGSET_FP] = { - .core_note_type = NT_PRFPREG, - .n = sizeof(s390_fp_regs) / sizeof(long), - .size = sizeof(long), - .align = sizeof(long), - .get = s390_fpregs_get, - .set = s390_fpregs_set, - }, -#ifdef CONFIG_64BIT - [REGSET_LAST_BREAK] = { - .core_note_type = NT_S390_LAST_BREAK, - .n = 1, - .size = sizeof(long), - .align = sizeof(long), - .get = s390_last_break_get, - .set = s390_last_break_set, - }, -#endif - [REGSET_SYSTEM_CALL] = { - .core_note_type = NT_S390_SYSTEM_CALL, - .n = 1, - .size = sizeof(unsigned int), - .align = sizeof(unsigned int), - .get = s390_system_call_get, - .set = s390_system_call_set, - }, -}; - -static const struct user_regset_view user_s390_view = { - .name = UTS_MACHINE, - .e_machine = EM_S390, - .regsets = s390_regsets, - .n = ARRAY_SIZE(s390_regsets) -}; - -#ifdef CONFIG_COMPAT -static int s390_compat_regs_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - if (target == current) - save_access_regs(target->thread.acrs); - - if (kbuf) { - compat_ulong_t *k = kbuf; - while (count > 0) { - *k++ = __peek_user_compat(target, pos); - count -= sizeof(*k); - pos += sizeof(*k); - } - } else { - compat_ulong_t __user *u = ubuf; - while (count > 0) { - if (__put_user(__peek_user_compat(target, pos), u++)) - return -EFAULT; - count -= sizeof(*u); - pos += sizeof(*u); - } - } - return 0; -} - -static int s390_compat_regs_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - int rc = 0; - - if (target == current) - save_access_regs(target->thread.acrs); - - if (kbuf) { - const compat_ulong_t *k = kbuf; - while (count > 0 && !rc) { - rc = __poke_user_compat(target, pos, *k++); - count -= sizeof(*k); - pos += sizeof(*k); - } - } else { - const compat_ulong_t __user *u = ubuf; - while (count > 0 && !rc) { - compat_ulong_t word; - rc = __get_user(word, u++); - if (rc) - break; - rc = __poke_user_compat(target, pos, word); - count -= sizeof(*u); - pos += sizeof(*u); - } - } - - if (rc == 0 && target == current) - restore_access_regs(target->thread.acrs); - - return rc; -} - -static int s390_compat_regs_high_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - compat_ulong_t *gprs_high; - - gprs_high = (compat_ulong_t *) - &task_pt_regs(target)->gprs[pos / sizeof(compat_ulong_t)]; - if (kbuf) { - compat_ulong_t *k = kbuf; - while (count > 0) { - *k++ = *gprs_high; - gprs_high += 2; - count -= sizeof(*k); - } - } else { - compat_ulong_t __user *u = ubuf; - while (count > 0) { - if (__put_user(*gprs_high, u++)) - return -EFAULT; - gprs_high += 2; - count -= sizeof(*u); - } - } - return 0; -} - -static int s390_compat_regs_high_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - compat_ulong_t *gprs_high; - int rc = 0; - - gprs_high = (compat_ulong_t *) - &task_pt_regs(target)->gprs[pos / sizeof(compat_ulong_t)]; - if (kbuf) { - const compat_ulong_t *k = kbuf; - while (count > 0) { - *gprs_high = *k++; - *gprs_high += 2; - count -= sizeof(*k); - } - } else { - const compat_ulong_t __user *u = ubuf; - while (count > 0 && !rc) { - unsigned long word; - rc = __get_user(word, u++); - if (rc) - break; - *gprs_high = word; - *gprs_high += 2; - count -= sizeof(*u); - } - } - - return rc; -} - -static int s390_compat_last_break_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - compat_ulong_t last_break; - - if (count > 0) { - last_break = task_thread_info(target)->last_break; - if (kbuf) { - unsigned long *k = kbuf; - *k = last_break; - } else { - unsigned long __user *u = ubuf; - if (__put_user(last_break, u)) - return -EFAULT; - } - } - return 0; -} - -static int s390_compat_last_break_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - return 0; -} - -static const struct user_regset s390_compat_regsets[] = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(s390_compat_regs) / sizeof(compat_long_t), - .size = sizeof(compat_long_t), - .align = sizeof(compat_long_t), - .get = s390_compat_regs_get, - .set = s390_compat_regs_set, - }, - [REGSET_FP] = { - .core_note_type = NT_PRFPREG, - .n = sizeof(s390_fp_regs) / sizeof(compat_long_t), - .size = sizeof(compat_long_t), - .align = sizeof(compat_long_t), - .get = s390_fpregs_get, - .set = s390_fpregs_set, - }, - [REGSET_LAST_BREAK] = { - .core_note_type = NT_S390_LAST_BREAK, - .n = 1, - .size = sizeof(long), - .align = sizeof(long), - .get = s390_compat_last_break_get, - .set = s390_compat_last_break_set, - }, - [REGSET_SYSTEM_CALL] = { - .core_note_type = NT_S390_SYSTEM_CALL, - .n = 1, - .size = sizeof(compat_uint_t), - .align = sizeof(compat_uint_t), - .get = s390_system_call_get, - .set = s390_system_call_set, - }, - [REGSET_GENERAL_EXTENDED] = { - .core_note_type = NT_S390_HIGH_GPRS, - .n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t), - .size = sizeof(compat_long_t), - .align = sizeof(compat_long_t), - .get = s390_compat_regs_high_get, - .set = s390_compat_regs_high_set, - }, -}; - -static const struct user_regset_view user_s390_compat_view = { - .name = "s390", - .e_machine = EM_S390, - .regsets = s390_compat_regsets, - .n = ARRAY_SIZE(s390_compat_regsets) -}; -#endif - -const struct user_regset_view *task_user_regset_view(struct task_struct *task) -{ -#ifdef CONFIG_COMPAT - if (test_tsk_thread_flag(task, TIF_31BIT)) - return &user_s390_compat_view; -#endif - return &user_s390_view; -} - -static const char *gpr_names[NUM_GPRS] = { - "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", -}; - -unsigned long regs_get_register(struct pt_regs *regs, unsigned int offset) -{ - if (offset >= NUM_GPRS) - return 0; - return regs->gprs[offset]; -} - -int regs_query_register_offset(const char *name) -{ - unsigned long offset; - - if (!name || *name != 'r') - return -EINVAL; - if (strict_strtoul(name + 1, 10, &offset)) - return -EINVAL; - if (offset >= NUM_GPRS) - return -EINVAL; - return offset; -} - -const char *regs_query_register_name(unsigned int offset) -{ - if (offset >= NUM_GPRS) - return NULL; - return gpr_names[offset]; -} - -static int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr) -{ - unsigned long ksp = kernel_stack_pointer(regs); - - return (addr & ~(THREAD_SIZE - 1)) == (ksp & ~(THREAD_SIZE - 1)); -} - -/** - * regs_get_kernel_stack_nth() - get Nth entry of the stack - * @regs:pt_regs which contains kernel stack pointer. - * @n:stack entry number. - * - * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which - * is specifined by @regs. If the @n th entry is NOT in the kernel stack, - * this returns 0. - */ -unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n) -{ - unsigned long addr; - - addr = kernel_stack_pointer(regs) + n * sizeof(long); - if (!regs_within_kernel_stack(regs, addr)) - return 0; - return *(unsigned long *)addr; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/reipl.S b/ANDROID_3.4.5/arch/s390/kernel/reipl.S deleted file mode 100644 index ad67c214..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/reipl.S +++ /dev/null @@ -1,93 +0,0 @@ -/* - * arch/s390/kernel/reipl.S - * - * S390 version - * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> - -# -# store_status: Empty implementation until kdump is supported on 31 bit -# -ENTRY(store_status) - br %r14 - -# -# do_reipl_asm -# Parameter: r2 = schid of reipl device -# -ENTRY(do_reipl_asm) - basr %r13,0 -.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) -.Lpg1: # do store status of all registers - - stm %r0,%r15,__LC_GPREGS_SAVE_AREA - stctl %c0,%c15,__LC_CREGS_SAVE_AREA - stam %a0,%a15,__LC_AREGS_SAVE_AREA - l %r10,.Ldump_pfx-.Lpg0(%r13) - mvc __LC_PREFIX_SAVE_AREA(4),0(%r10) - stckc .Lclkcmp-.Lpg0(%r13) - mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) - stpt __LC_CPU_TIMER_SAVE_AREA - st %r13, __LC_PSW_SAVE_AREA+4 - lctl %c6,%c6,.Lall-.Lpg0(%r13) - lr %r1,%r2 - mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) - stsch .Lschib-.Lpg0(%r13) - oi .Lschib+5-.Lpg0(%r13),0x84 -.Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 - msch .Lschib-.Lpg0(%r13) - lhi %r0,5 -.Lssch: ssch .Liplorb-.Lpg0(%r13) - jz .L001 - brct %r0,.Lssch - bas %r14,.Ldisab-.Lpg0(%r13) -.L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) -.Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) -.Lcont: c %r1,__LC_SUBCHANNEL_ID - jnz .Ltpi - clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) - jnz .Ltpi - tsch .Liplirb-.Lpg0(%r13) - tm .Liplirb+9-.Lpg0(%r13),0xbf - jz .L002 - bas %r14,.Ldisab-.Lpg0(%r13) -.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 - jz .L003 - bas %r14,.Ldisab-.Lpg0(%r13) -.L003: st %r1,__LC_SUBCHANNEL_ID - lpsw 0 - sigp 0,0,0(6) -.Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) - lpsw .Ldispsw-.Lpg0(%r13) - .align 8 -.Lclkcmp: .quad 0x0000000000000000 -.Lall: .long 0xff000000 -.Ldump_pfx: .long dump_prefix_page - .align 8 -.Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 -.Lpcnew: .long 0x00080000,0x80000000+.Lecs -.Lionew: .long 0x00080000,0x80000000+.Lcont -.Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi -.Ldispsw: .long 0x000a0000,0x00000000 -.Liplccws: .long 0x02000000,0x60000018 - .long 0x08000008,0x20000001 -.Liplorb: .long 0x0049504c,0x0040ff80 - .long 0x00000000+.Liplccws -.Lschib: .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 -.Liplirb: .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 diff --git a/ANDROID_3.4.5/arch/s390/kernel/reipl64.S b/ANDROID_3.4.5/arch/s390/kernel/reipl64.S deleted file mode 100644 index 36b32658..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/reipl64.S +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright IBM Corp 2000,2011 - * Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>, - * Denis Joseph Barrow, - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> - -# -# store_status -# -# Prerequisites to run this function: -# - Prefix register is set to zero -# - Original prefix register is stored in "dump_prefix_page" -# - Lowcore protection is off -# -ENTRY(store_status) - /* Save register one and load save area base */ - stg %r1,__LC_SAVE_AREA_RESTART - lghi %r1,SAVE_AREA_BASE - /* General purpose registers */ - stmg %r0,%r15,__LC_GPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - lg %r2,__LC_SAVE_AREA_RESTART - stg %r2,__LC_GPREGS_SAVE_AREA-SAVE_AREA_BASE+8(%r1) - /* Control registers */ - stctg %c0,%c15,__LC_CREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - /* Access registers */ - stam %a0,%a15,__LC_AREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - /* Floating point registers */ - std %f0, 0x00 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f1, 0x08 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f2, 0x10 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f3, 0x18 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f4, 0x20 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f5, 0x28 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f6, 0x30 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f7, 0x38 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f8, 0x40 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f9, 0x48 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f10,0x50 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f11,0x58 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f12,0x60 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f13,0x68 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f14,0x70 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - std %f15,0x78 + __LC_FPREGS_SAVE_AREA-SAVE_AREA_BASE(%r1) - /* Floating point control register */ - stfpc __LC_FP_CREG_SAVE_AREA-SAVE_AREA_BASE(%r1) - /* CPU timer */ - stpt __LC_CPU_TIMER_SAVE_AREA-SAVE_AREA_BASE(%r1) - /* Saved prefix register */ - larl %r2,dump_prefix_page - mvc __LC_PREFIX_SAVE_AREA-SAVE_AREA_BASE(4,%r1),0(%r2) - /* Clock comparator - seven bytes */ - larl %r2,.Lclkcmp - stckc 0(%r2) - mvc __LC_CLOCK_COMP_SAVE_AREA-SAVE_AREA_BASE + 1(7,%r1),1(%r2) - /* Program status word */ - epsw %r2,%r3 - st %r2,__LC_PSW_SAVE_AREA-SAVE_AREA_BASE + 0(%r1) - st %r3,__LC_PSW_SAVE_AREA-SAVE_AREA_BASE + 4(%r1) - larl %r2,store_status - stg %r2,__LC_PSW_SAVE_AREA-SAVE_AREA_BASE + 8(%r1) - br %r14 - - .section .bss - .align 8 -.Lclkcmp: .quad 0x0000000000000000 - .previous - -# -# do_reipl_asm -# Parameter: r2 = schid of reipl device -# - -ENTRY(do_reipl_asm) - basr %r13,0 -.Lpg0: lpswe .Lnewpsw-.Lpg0(%r13) -.Lpg1: brasl %r14,store_status - - lctlg %c6,%c6,.Lall-.Lpg0(%r13) - lgr %r1,%r2 - mvc __LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13) - stsch .Lschib-.Lpg0(%r13) - oi .Lschib+5-.Lpg0(%r13),0x84 -.Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 - msch .Lschib-.Lpg0(%r13) - lghi %r0,5 -.Lssch: ssch .Liplorb-.Lpg0(%r13) - jz .L001 - brct %r0,.Lssch - bas %r14,.Ldisab-.Lpg0(%r13) -.L001: mvc __LC_IO_NEW_PSW(16),.Lionew-.Lpg0(%r13) -.Ltpi: lpswe .Lwaitpsw-.Lpg0(%r13) -.Lcont: c %r1,__LC_SUBCHANNEL_ID - jnz .Ltpi - clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) - jnz .Ltpi - tsch .Liplirb-.Lpg0(%r13) - tm .Liplirb+9-.Lpg0(%r13),0xbf - jz .L002 - bas %r14,.Ldisab-.Lpg0(%r13) -.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 - jz .L003 - bas %r14,.Ldisab-.Lpg0(%r13) -.L003: st %r1,__LC_SUBCHANNEL_ID - lhi %r1,0 # mode 0 = esa - slr %r0,%r0 # set cpuid to zero - sigp %r1,%r0,0x12 # switch to esa mode - lpsw 0 -.Ldisab: sll %r14,1 - srl %r14,1 # need to kill hi bit to avoid specification exceptions. - st %r14,.Ldispsw+12-.Lpg0(%r13) - lpswe .Ldispsw-.Lpg0(%r13) - .align 8 -.Lall: .quad 0x00000000ff000000 - .align 16 -/* - * These addresses have to be 31 bit otherwise - * the sigp will throw a specifcation exception - * when switching to ESA mode as bit 31 be set - * in the ESA psw. - * Bit 31 of the addresses has to be 0 for the - * 31bit lpswe instruction a fact they appear to have - * omitted from the pop. - */ -.Lnewpsw: .quad 0x0000000080000000 - .quad .Lpg1 -.Lpcnew: .quad 0x0000000080000000 - .quad .Lecs -.Lionew: .quad 0x0000000080000000 - .quad .Lcont -.Lwaitpsw: .quad 0x0202000080000000 - .quad .Ltpi -.Ldispsw: .quad 0x0002000080000000 - .quad 0x0000000000000000 -.Liplccws: .long 0x02000000,0x60000018 - .long 0x08000008,0x20000001 -.Liplorb: .long 0x0049504c,0x0040ff80 - .long 0x00000000+.Liplccws -.Lschib: .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 -.Liplirb: .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 - .long 0x00000000,0x00000000 diff --git a/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel.S b/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel.S deleted file mode 100644 index c91d70ae..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel.S +++ /dev/null @@ -1,119 +0,0 @@ -/* - * arch/s390/kernel/relocate_kernel.S - * - * (C) Copyright IBM Corp. 2005 - * - * Author(s): Rolf Adelsberger, - * Heiko Carstens <heiko.carstens@de.ibm.com> - * - */ - -#include <linux/linkage.h> - -/* - * moves the new kernel to its destination... - * %r2 = pointer to first kimage_entry_t - * %r3 = start address - where to jump to after the job is done... - * - * %r5 will be used as temp. storage - * %r6 holds the destination address - * %r7 = PAGE_SIZE - * %r8 holds the source address - * %r9 = PAGE_SIZE - * %r10 is a page mask - */ - - .text -ENTRY(relocate_kernel) - basr %r13,0 # base address - .base: - stnsm sys_msk-.base(%r13),0xfb # disable DAT - stctl %c0,%c15,ctlregs-.base(%r13) - stm %r0,%r15,gprregs-.base(%r13) - la %r1,load_psw-.base(%r13) - mvc 0(8,%r0),0(%r1) - la %r0,.back-.base(%r13) - st %r0,4(%r0) - oi 4(%r0),0x80 - mvc 0x68(8,%r0),0(%r1) - la %r0,.back_pgm-.base(%r13) - st %r0,0x6c(%r0) - oi 0x6c(%r0),0x80 - lhi %r0,0 - diag %r0,%r0,0x308 - .back: - basr %r13,0 - .back_base: - oi have_diag308-.back_base(%r13),0x01 - lctl %c0,%c15,ctlregs-.back_base(%r13) - lm %r0,%r15,gprregs-.back_base(%r13) - j .start_reloc - .back_pgm: - lm %r0,%r15,gprregs-.base(%r13) - .start_reloc: - lhi %r10,-1 # preparing the mask - sll %r10,12 # shift it such that it becomes 0xf000 - .top: - lhi %r7,4096 # load PAGE_SIZE in r7 - lhi %r9,4096 # load PAGE_SIZE in r9 - l %r5,0(%r2) # read another word for indirection page - ahi %r2,4 # increment pointer - tml %r5,0x1 # is it a destination page? - je .indir_check # NO, goto "indir_check" - lr %r6,%r5 # r6 = r5 - nr %r6,%r10 # mask it out and... - j .top # ...next iteration - .indir_check: - tml %r5,0x2 # is it a indirection page? - je .done_test # NO, goto "done_test" - nr %r5,%r10 # YES, mask out, - lr %r2,%r5 # move it into the right register, - j .top # and read next... - .done_test: - tml %r5,0x4 # is it the done indicator? - je .source_test # NO! Well, then it should be the source indicator... - j .done # ok, lets finish it here... - .source_test: - tml %r5,0x8 # it should be a source indicator... - je .top # NO, ignore it... - lr %r8,%r5 # r8 = r5 - nr %r8,%r10 # masking - 0: mvcle %r6,%r8,0x0 # copy PAGE_SIZE bytes from r8 to r6 - pad with 0 - jo 0b - j .top - .done: - sr %r0,%r0 # clear register r0 - la %r4,load_psw-.base(%r13) # load psw-address into the register - o %r3,4(%r4) # or load address into psw - st %r3,4(%r4) - mvc 0(8,%r0),0(%r4) # copy psw to absolute address 0 - tm have_diag308-.base(%r13),0x01 - jno .no_diag308 - diag %r0,%r0,0x308 - .no_diag308: - sr %r1,%r1 # clear %r1 - sr %r2,%r2 # clear %r2 - sigp %r1,%r2,0x12 # set cpuid to zero - lpsw 0 # hopefully start new kernel... - - .align 8 - load_psw: - .long 0x00080000,0x80000000 - sys_msk: - .quad 0 - ctlregs: - .rept 16 - .long 0 - .endr - gprregs: - .rept 16 - .long 0 - .endr - have_diag308: - .byte 0 - .align 8 - relocate_kernel_end: - .align 8 - .globl relocate_kernel_len - relocate_kernel_len: - .quad relocate_kernel_end - relocate_kernel diff --git a/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel64.S b/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel64.S deleted file mode 100644 index 7c3ce589..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/relocate_kernel64.S +++ /dev/null @@ -1,122 +0,0 @@ -/* - * arch/s390/kernel/relocate_kernel64.S - * - * (C) Copyright IBM Corp. 2005 - * - * Author(s): Rolf Adelsberger, - * Heiko Carstens <heiko.carstens@de.ibm.com> - * - */ - -#include <linux/linkage.h> - -/* - * moves the new kernel to its destination... - * %r2 = pointer to first kimage_entry_t - * %r3 = start address - where to jump to after the job is done... - * - * %r5 will be used as temp. storage - * %r6 holds the destination address - * %r7 = PAGE_SIZE - * %r8 holds the source address - * %r9 = PAGE_SIZE - * - * 0xf000 is a page_mask - */ - - .text -ENTRY(relocate_kernel) - basr %r13,0 # base address - .base: - stnsm sys_msk-.base(%r13),0xfb # disable DAT - stctg %c0,%c15,ctlregs-.base(%r13) - stmg %r0,%r15,gprregs-.base(%r13) - lghi %r0,3 - sllg %r0,%r0,31 - stg %r0,0x1d0(%r0) - la %r0,.back_pgm-.base(%r13) - stg %r0,0x1d8(%r0) - la %r1,load_psw-.base(%r13) - mvc 0(8,%r0),0(%r1) - la %r0,.back-.base(%r13) - st %r0,4(%r0) - oi 4(%r0),0x80 - lghi %r0,0 - diag %r0,%r0,0x308 - .back: - lhi %r1,1 # mode 1 = esame - sigp %r1,%r0,0x12 # switch to esame mode - sam64 # switch to 64 bit addressing mode - basr %r13,0 - .back_base: - oi have_diag308-.back_base(%r13),0x01 - lctlg %c0,%c15,ctlregs-.back_base(%r13) - lmg %r0,%r15,gprregs-.back_base(%r13) - j .top - .back_pgm: - lmg %r0,%r15,gprregs-.base(%r13) - .top: - lghi %r7,4096 # load PAGE_SIZE in r7 - lghi %r9,4096 # load PAGE_SIZE in r9 - lg %r5,0(%r2) # read another word for indirection page - aghi %r2,8 # increment pointer - tml %r5,0x1 # is it a destination page? - je .indir_check # NO, goto "indir_check" - lgr %r6,%r5 # r6 = r5 - nill %r6,0xf000 # mask it out and... - j .top # ...next iteration - .indir_check: - tml %r5,0x2 # is it a indirection page? - je .done_test # NO, goto "done_test" - nill %r5,0xf000 # YES, mask out, - lgr %r2,%r5 # move it into the right register, - j .top # and read next... - .done_test: - tml %r5,0x4 # is it the done indicator? - je .source_test # NO! Well, then it should be the source indicator... - j .done # ok, lets finish it here... - .source_test: - tml %r5,0x8 # it should be a source indicator... - je .top # NO, ignore it... - lgr %r8,%r5 # r8 = r5 - nill %r8,0xf000 # masking - 0: mvcle %r6,%r8,0x0 # copy PAGE_SIZE bytes from r8 to r6 - pad with 0 - jo 0b - j .top - .done: - sgr %r0,%r0 # clear register r0 - la %r4,load_psw-.base(%r13) # load psw-address into the register - o %r3,4(%r4) # or load address into psw - st %r3,4(%r4) - mvc 0(8,%r0),0(%r4) # copy psw to absolute address 0 - tm have_diag308-.base(%r13),0x01 - jno .no_diag308 - diag %r0,%r0,0x308 - .no_diag308: - sam31 # 31 bit mode - sr %r1,%r1 # erase register r1 - sr %r2,%r2 # erase register r2 - sigp %r1,%r2,0x12 # set cpuid to zero - lpsw 0 # hopefully start new kernel... - - .align 8 - load_psw: - .long 0x00080000,0x80000000 - sys_msk: - .quad 0 - ctlregs: - .rept 16 - .quad 0 - .endr - gprregs: - .rept 16 - .quad 0 - .endr - have_diag308: - .byte 0 - .align 8 - relocate_kernel_end: - .align 8 - .globl relocate_kernel_len - relocate_kernel_len: - .quad relocate_kernel_end - relocate_kernel diff --git a/ANDROID_3.4.5/arch/s390/kernel/s390_ksyms.c b/ANDROID_3.4.5/arch/s390/kernel/s390_ksyms.c deleted file mode 100644 index 57b53664..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/s390_ksyms.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <linux/module.h> -#include <linux/kvm_host.h> -#include <asm/ftrace.h> - -#ifdef CONFIG_FUNCTION_TRACER -EXPORT_SYMBOL(_mcount); -#endif -#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE) -EXPORT_SYMBOL(sie64a); -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/sclp.S b/ANDROID_3.4.5/arch/s390/kernel/sclp.S deleted file mode 100644 index 95792d84..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/sclp.S +++ /dev/null @@ -1,353 +0,0 @@ -/* - * Mini SCLP driver. - * - * Copyright IBM Corp. 2004,2009 - * - * Author(s): Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - * - */ - -#include <linux/linkage.h> - -LC_EXT_NEW_PSW = 0x58 # addr of ext int handler -LC_EXT_NEW_PSW_64 = 0x1b0 # addr of ext int handler 64 bit -LC_EXT_INT_PARAM = 0x80 # addr of ext int parameter -LC_EXT_INT_CODE = 0x86 # addr of ext int code -LC_AR_MODE_ID = 0xa3 - -# -# Subroutine which waits synchronously until either an external interruption -# or a timeout occurs. -# -# Parameters: -# R2 = 0 for no timeout, non-zero for timeout in (approximated) seconds -# -# Returns: -# R2 = 0 on interrupt, 2 on timeout -# R3 = external interruption parameter if R2=0 -# - -_sclp_wait_int: - stm %r6,%r15,24(%r15) # save registers - basr %r13,0 # get base register -.LbaseS1: - ahi %r15,-96 # create stack frame - la %r8,LC_EXT_NEW_PSW # register int handler - la %r9,.LextpswS1-.LbaseS1(%r13) -#ifdef CONFIG_64BIT - tm LC_AR_MODE_ID,1 - jno .Lesa1 - la %r8,LC_EXT_NEW_PSW_64 # register int handler 64 bit - la %r9,.LextpswS1_64-.LbaseS1(%r13) -.Lesa1: -#endif - mvc .LoldpswS1-.LbaseS1(16,%r13),0(%r8) - mvc 0(16,%r8),0(%r9) - lhi %r6,0x0200 # cr mask for ext int (cr0.54) - ltr %r2,%r2 - jz .LsetctS1 - ahi %r6,0x0800 # cr mask for clock int (cr0.52) - stck .LtimeS1-.LbaseS1(%r13) # initiate timeout - al %r2,.LtimeS1-.LbaseS1(%r13) - st %r2,.LtimeS1-.LbaseS1(%r13) - sckc .LtimeS1-.LbaseS1(%r13) - -.LsetctS1: - stctl %c0,%c0,.LctlS1-.LbaseS1(%r13) # enable required interrupts - l %r0,.LctlS1-.LbaseS1(%r13) - lhi %r1,~(0x200 | 0x800) # clear old values - nr %r1,%r0 - or %r1,%r6 # set new value - st %r1,.LctlS1-.LbaseS1(%r13) - lctl %c0,%c0,.LctlS1-.LbaseS1(%r13) - st %r0,.LctlS1-.LbaseS1(%r13) - lhi %r2,2 # return code for timeout -.LloopS1: - lpsw .LwaitpswS1-.LbaseS1(%r13) # wait until interrupt -.LwaitS1: - lh %r7,LC_EXT_INT_CODE - chi %r7,0x1004 # timeout? - je .LtimeoutS1 - chi %r7,0x2401 # service int? - jne .LloopS1 - sr %r2,%r2 - l %r3,LC_EXT_INT_PARAM -.LtimeoutS1: - lctl %c0,%c0,.LctlS1-.LbaseS1(%r13) # restore interrupt setting - # restore old handler - mvc 0(16,%r8),.LoldpswS1-.LbaseS1(%r13) - lm %r6,%r15,120(%r15) # restore registers - br %r14 # return to caller - - .align 8 -.LoldpswS1: - .long 0, 0, 0, 0 # old ext int PSW -.LextpswS1: - .long 0x00080000, 0x80000000+.LwaitS1 # PSW to handle ext int -#ifdef CONFIG_64BIT -.LextpswS1_64: - .quad 0x0000000180000000, .LwaitS1 # PSW to handle ext int, 64 bit -#endif -.LwaitpswS1: - .long 0x010a0000, 0x00000000+.LloopS1 # PSW to wait for ext int -.LtimeS1: - .quad 0 # current time -.LctlS1: - .long 0 # CT0 contents - -# -# Subroutine to synchronously issue a service call. -# -# Parameters: -# R2 = command word -# R3 = sccb address -# -# Returns: -# R2 = 0 on success, 1 on failure -# R3 = sccb response code if R2 = 0 -# - -_sclp_servc: - stm %r6,%r15,24(%r15) # save registers - ahi %r15,-96 # create stack frame - lr %r6,%r2 # save command word - lr %r7,%r3 # save sccb address -.LretryS2: - lhi %r2,1 # error return code - .insn rre,0xb2200000,%r6,%r7 # servc - brc 1,.LendS2 # exit if not operational - brc 8,.LnotbusyS2 # go on if not busy - sr %r2,%r2 # wait until no longer busy - bras %r14,_sclp_wait_int - j .LretryS2 # retry -.LnotbusyS2: - sr %r2,%r2 # wait until result - bras %r14,_sclp_wait_int - sr %r2,%r2 - lh %r3,6(%r7) -.LendS2: - lm %r6,%r15,120(%r15) # restore registers - br %r14 - -# -# Subroutine to set up the SCLP interface. -# -# Parameters: -# R2 = 0 to activate, non-zero to deactivate -# -# Returns: -# R2 = 0 on success, non-zero on failure -# - -_sclp_setup: - stm %r6,%r15,24(%r15) # save registers - ahi %r15,-96 # create stack frame - basr %r13,0 # get base register -.LbaseS3: - l %r6,.LsccbS0-.LbaseS3(%r13) # prepare init mask sccb - mvc 0(.LinitendS3-.LinitsccbS3,%r6),.LinitsccbS3-.LbaseS3(%r13) - ltr %r2,%r2 # initialization? - jz .LdoinitS3 # go ahead - # clear masks - xc .LinitmaskS3-.LinitsccbS3(8,%r6),.LinitmaskS3-.LinitsccbS3(%r6) -.LdoinitS3: - l %r2,.LwritemaskS3-.LbaseS3(%r13)# get command word - lr %r3,%r6 # get sccb address - bras %r14,_sclp_servc # issue service call - ltr %r2,%r2 # servc successful? - jnz .LerrorS3 - chi %r3,0x20 # write mask successful? - jne .LerrorS3 - # check masks - la %r2,.LinitmaskS3-.LinitsccbS3(%r6) - l %r1,0(%r2) # receive mask ok? - n %r1,12(%r2) - cl %r1,0(%r2) - jne .LerrorS3 - l %r1,4(%r2) # send mask ok? - n %r1,8(%r2) - cl %r1,4(%r2) - sr %r2,%r2 - je .LendS3 -.LerrorS3: - lhi %r2,1 # error return code -.LendS3: - lm %r6,%r15,120(%r15) # restore registers - br %r14 -.LwritemaskS3: - .long 0x00780005 # SCLP command for write mask -.LinitsccbS3: - .word .LinitendS3-.LinitsccbS3 - .byte 0,0,0,0 - .word 0 - .word 0 - .word 4 -.LinitmaskS3: - .long 0x80000000 - .long 0x40000000 - .long 0 - .long 0 -.LinitendS3: - -# -# Subroutine which prints a given text to the SCLP console. -# -# Parameters: -# R2 = address of nil-terminated ASCII text -# -# Returns: -# R2 = 0 on success, 1 on failure -# - -_sclp_print: - stm %r6,%r15,24(%r15) # save registers - ahi %r15,-96 # create stack frame - basr %r13,0 # get base register -.LbaseS4: - l %r8,.LsccbS0-.LbaseS4(%r13) # prepare write data sccb - mvc 0(.LmtoS4-.LwritesccbS4,%r8),.LwritesccbS4-.LbaseS4(%r13) - la %r7,.LmtoS4-.LwritesccbS4(%r8) # current mto addr - sr %r0,%r0 - l %r10,.Lascebc-.LbaseS4(%r13) # address of translation table -.LinitmtoS4: - # initialize mto - mvc 0(.LmtoendS4-.LmtoS4,%r7),.LmtoS4-.LbaseS4(%r13) - lhi %r6,.LmtoendS4-.LmtoS4 # current mto length -.LloopS4: - ic %r0,0(%r2) # get character - ahi %r2,1 - ltr %r0,%r0 # end of string? - jz .LfinalizemtoS4 - chi %r0,0x15 # end of line (NL)? - jz .LfinalizemtoS4 - stc %r0,0(%r6,%r7) # copy to mto - la %r11,0(%r6,%r7) - tr 0(1,%r11),0(%r10) # translate to EBCDIC - ahi %r6,1 - j .LloopS4 -.LfinalizemtoS4: - sth %r6,0(%r7) # update mto length - lh %r9,.LmdbS4-.LwritesccbS4(%r8) # update mdb length - ar %r9,%r6 - sth %r9,.LmdbS4-.LwritesccbS4(%r8) - lh %r9,.LevbufS4-.LwritesccbS4(%r8)# update evbuf length - ar %r9,%r6 - sth %r9,.LevbufS4-.LwritesccbS4(%r8) - lh %r9,0(%r8) # update sccb length - ar %r9,%r6 - sth %r9,0(%r8) - ar %r7,%r6 # update current mto address - ltr %r0,%r0 # more characters? - jnz .LinitmtoS4 - l %r2,.LwritedataS4-.LbaseS4(%r13)# write data - lr %r3,%r8 - bras %r14,_sclp_servc - ltr %r2,%r2 # servc successful? - jnz .LendS4 - chi %r3,0x20 # write data successful? - je .LendS4 - lhi %r2,1 # error return code -.LendS4: - lm %r6,%r15,120(%r15) # restore registers - br %r14 - -# -# Function which prints a given text to the SCLP console. -# -# Parameters: -# R2 = address of nil-terminated ASCII text -# -# Returns: -# R2 = 0 on success, 1 on failure -# - -ENTRY(_sclp_print_early) - stm %r6,%r15,24(%r15) # save registers - ahi %r15,-96 # create stack frame -#ifdef CONFIG_64BIT - tm LC_AR_MODE_ID,1 - jno .Lesa2 - ahi %r15,-80 - stmh %r6,%r15,96(%r15) # store upper register halves -.Lesa2: -#endif - lr %r10,%r2 # save string pointer - lhi %r2,0 - bras %r14,_sclp_setup # enable console - ltr %r2,%r2 - jnz .LendS5 - lr %r2,%r10 - bras %r14,_sclp_print # print string - ltr %r2,%r2 - jnz .LendS5 - lhi %r2,1 - bras %r14,_sclp_setup # disable console -.LendS5: -#ifdef CONFIG_64BIT - tm LC_AR_MODE_ID,1 - jno .Lesa3 - lmh %r6,%r15,96(%r15) # store upper register halves - ahi %r15,80 -.Lesa3: -#endif - lm %r6,%r15,120(%r15) # restore registers - br %r14 - -.LwritedataS4: - .long 0x00760005 # SCLP command for write data -.LwritesccbS4: - # sccb - .word .LmtoS4-.LwritesccbS4 - .byte 0 - .byte 0,0,0 - .word 0 - - # evbuf -.LevbufS4: - .word .LmtoS4-.LevbufS4 - .byte 0x02 - .byte 0 - .word 0 - -.LmdbS4: - # mdb - .word .LmtoS4-.LmdbS4 - .word 1 - .long 0xd4c4c240 - .long 1 - - # go -.LgoS4: - .word .LmtoS4-.LgoS4 - .word 1 - .long 0 - .byte 0,0,0,0,0,0,0,0 - .byte 0,0,0 - .byte 0 - .byte 0,0,0,0,0,0,0 - .byte 0 - .word 0 - .byte 0,0,0,0,0,0,0,0,0,0 - .byte 0,0,0,0,0,0,0,0 - .byte 0,0,0,0,0,0,0,0 - -.LmtoS4: - .word .LmtoendS4-.LmtoS4 - .word 4 - .word 0x1000 - .byte 0 - .byte 0,0,0 -.LmtoendS4: - - # Global constants -.LsccbS0: - .long _sclp_work_area -.Lascebc: - .long _ascebc - -.section .data,"aw",@progbits - .balign 4096 -_sclp_work_area: - .fill 4096 -.previous diff --git a/ANDROID_3.4.5/arch/s390/kernel/setup.c b/ANDROID_3.4.5/arch/s390/kernel/setup.c deleted file mode 100644 index 06264ae8..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/setup.c +++ /dev/null @@ -1,1092 +0,0 @@ -/* - * arch/s390/kernel/setup.c - * - * S390 version - * Copyright (C) IBM Corp. 1999,2012 - * Author(s): Hartmut Penner (hp@de.ibm.com), - * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * Derived from "arch/i386/kernel/setup.c" - * Copyright (C) 1995, Linus Torvalds - */ - -/* - * This file handles the architecture-dependent parts of initialization - */ - -#define KMSG_COMPONENT "setup" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/memblock.h> -#include <linux/mm.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/user.h> -#include <linux/tty.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/initrd.h> -#include <linux/bootmem.h> -#include <linux/root_dev.h> -#include <linux/console.h> -#include <linux/kernel_stat.h> -#include <linux/device.h> -#include <linux/notifier.h> -#include <linux/pfn.h> -#include <linux/ctype.h> -#include <linux/reboot.h> -#include <linux/topology.h> -#include <linux/ftrace.h> -#include <linux/kexec.h> -#include <linux/crash_dump.h> -#include <linux/memory.h> -#include <linux/compat.h> - -#include <asm/ipl.h> -#include <asm/uaccess.h> -#include <asm/facility.h> -#include <asm/smp.h> -#include <asm/mmu_context.h> -#include <asm/cpcmd.h> -#include <asm/lowcore.h> -#include <asm/irq.h> -#include <asm/page.h> -#include <asm/ptrace.h> -#include <asm/sections.h> -#include <asm/ebcdic.h> -#include <asm/kvm_virtio.h> -#include <asm/diag.h> -#include <asm/os_info.h> -#include "entry.h" - -long psw_kernel_bits = PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_ASC_PRIMARY | - PSW_MASK_EA | PSW_MASK_BA; -long psw_user_bits = PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | - PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_MASK_MCHECK | - PSW_MASK_PSTATE | PSW_ASC_HOME; - -/* - * User copy operations. - */ -struct uaccess_ops uaccess; -EXPORT_SYMBOL(uaccess); - -/* - * Machine setup.. - */ -unsigned int console_mode = 0; -EXPORT_SYMBOL(console_mode); - -unsigned int console_devno = -1; -EXPORT_SYMBOL(console_devno); - -unsigned int console_irq = -1; -EXPORT_SYMBOL(console_irq); - -unsigned long elf_hwcap = 0; -char elf_platform[ELF_PLATFORM_SIZE]; - -struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS]; - -int __initdata memory_end_set; -unsigned long __initdata memory_end; - -unsigned long VMALLOC_START; -EXPORT_SYMBOL(VMALLOC_START); - -unsigned long VMALLOC_END; -EXPORT_SYMBOL(VMALLOC_END); - -struct page *vmemmap; -EXPORT_SYMBOL(vmemmap); - -/* An array with a pointer to the lowcore of every CPU. */ -struct _lowcore *lowcore_ptr[NR_CPUS]; -EXPORT_SYMBOL(lowcore_ptr); - -/* - * This is set up by the setup-routine at boot-time - * for S390 need to find out, what we have to setup - * using address 0x10400 ... - */ - -#include <asm/setup.h> - -/* - * condev= and conmode= setup parameter. - */ - -static int __init condev_setup(char *str) -{ - int vdev; - - vdev = simple_strtoul(str, &str, 0); - if (vdev >= 0 && vdev < 65536) { - console_devno = vdev; - console_irq = -1; - } - return 1; -} - -__setup("condev=", condev_setup); - -static void __init set_preferred_console(void) -{ - if (MACHINE_IS_KVM) - add_preferred_console("hvc", 0, NULL); - else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP) - add_preferred_console("ttyS", 0, NULL); - else if (CONSOLE_IS_3270) - add_preferred_console("tty3270", 0, NULL); -} - -static int __init conmode_setup(char *str) -{ -#if defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) - if (strncmp(str, "hwc", 4) == 0 || strncmp(str, "sclp", 5) == 0) - SET_CONSOLE_SCLP; -#endif -#if defined(CONFIG_TN3215_CONSOLE) - if (strncmp(str, "3215", 5) == 0) - SET_CONSOLE_3215; -#endif -#if defined(CONFIG_TN3270_CONSOLE) - if (strncmp(str, "3270", 5) == 0) - SET_CONSOLE_3270; -#endif - set_preferred_console(); - return 1; -} - -__setup("conmode=", conmode_setup); - -static void __init conmode_default(void) -{ - char query_buffer[1024]; - char *ptr; - - if (MACHINE_IS_VM) { - cpcmd("QUERY CONSOLE", query_buffer, 1024, NULL); - console_devno = simple_strtoul(query_buffer + 5, NULL, 16); - ptr = strstr(query_buffer, "SUBCHANNEL ="); - console_irq = simple_strtoul(ptr + 13, NULL, 16); - cpcmd("QUERY TERM", query_buffer, 1024, NULL); - ptr = strstr(query_buffer, "CONMODE"); - /* - * Set the conmode to 3215 so that the device recognition - * will set the cu_type of the console to 3215. If the - * conmode is 3270 and we don't set it back then both - * 3215 and the 3270 driver will try to access the console - * device (3215 as console and 3270 as normal tty). - */ - cpcmd("TERM CONMODE 3215", NULL, 0, NULL); - if (ptr == NULL) { -#if defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) - SET_CONSOLE_SCLP; -#endif - return; - } - if (strncmp(ptr + 8, "3270", 4) == 0) { -#if defined(CONFIG_TN3270_CONSOLE) - SET_CONSOLE_3270; -#elif defined(CONFIG_TN3215_CONSOLE) - SET_CONSOLE_3215; -#elif defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) - SET_CONSOLE_SCLP; -#endif - } else if (strncmp(ptr + 8, "3215", 4) == 0) { -#if defined(CONFIG_TN3215_CONSOLE) - SET_CONSOLE_3215; -#elif defined(CONFIG_TN3270_CONSOLE) - SET_CONSOLE_3270; -#elif defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) - SET_CONSOLE_SCLP; -#endif - } - } else { -#if defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE) - SET_CONSOLE_SCLP; -#endif - } -} - -#ifdef CONFIG_ZFCPDUMP -static void __init setup_zfcpdump(unsigned int console_devno) -{ - static char str[41]; - - if (ipl_info.type != IPL_TYPE_FCP_DUMP) - return; - if (OLDMEM_BASE) - return; - if (console_devno != -1) - sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x", - ipl_info.data.fcp.dev_id.devno, console_devno); - else - sprintf(str, " cio_ignore=all,!0.0.%04x", - ipl_info.data.fcp.dev_id.devno); - strcat(boot_command_line, str); - console_loglevel = 2; -} -#else -static inline void setup_zfcpdump(unsigned int console_devno) {} -#endif /* CONFIG_ZFCPDUMP */ - - /* - * Reboot, halt and power_off stubs. They just call _machine_restart, - * _machine_halt or _machine_power_off. - */ - -void machine_restart(char *command) -{ - if ((!in_interrupt() && !in_atomic()) || oops_in_progress) - /* - * Only unblank the console if we are called in enabled - * context or a bust_spinlocks cleared the way for us. - */ - console_unblank(); - _machine_restart(command); -} - -void machine_halt(void) -{ - if (!in_interrupt() || oops_in_progress) - /* - * Only unblank the console if we are called in enabled - * context or a bust_spinlocks cleared the way for us. - */ - console_unblank(); - _machine_halt(); -} - -void machine_power_off(void) -{ - if (!in_interrupt() || oops_in_progress) - /* - * Only unblank the console if we are called in enabled - * context or a bust_spinlocks cleared the way for us. - */ - console_unblank(); - _machine_power_off(); -} - -/* - * Dummy power off function. - */ -void (*pm_power_off)(void) = machine_power_off; - -static int __init early_parse_mem(char *p) -{ - memory_end = memparse(p, &p); - memory_end_set = 1; - return 0; -} -early_param("mem", early_parse_mem); - -static int __init parse_vmalloc(char *arg) -{ - if (!arg) - return -EINVAL; - VMALLOC_END = (memparse(arg, &arg) + PAGE_SIZE - 1) & PAGE_MASK; - return 0; -} -early_param("vmalloc", parse_vmalloc); - -unsigned int user_mode = HOME_SPACE_MODE; -EXPORT_SYMBOL_GPL(user_mode); - -static int set_amode_primary(void) -{ - psw_kernel_bits = (psw_kernel_bits & ~PSW_MASK_ASC) | PSW_ASC_HOME; - psw_user_bits = (psw_user_bits & ~PSW_MASK_ASC) | PSW_ASC_PRIMARY; -#ifdef CONFIG_COMPAT - psw32_user_bits = - (psw32_user_bits & ~PSW32_MASK_ASC) | PSW32_ASC_PRIMARY; -#endif - - if (MACHINE_HAS_MVCOS) { - memcpy(&uaccess, &uaccess_mvcos_switch, sizeof(uaccess)); - return 1; - } else { - memcpy(&uaccess, &uaccess_pt, sizeof(uaccess)); - return 0; - } -} - -/* - * Switch kernel/user addressing modes? - */ -static int __init early_parse_switch_amode(char *p) -{ - user_mode = PRIMARY_SPACE_MODE; - return 0; -} -early_param("switch_amode", early_parse_switch_amode); - -static int __init early_parse_user_mode(char *p) -{ - if (p && strcmp(p, "primary") == 0) - user_mode = PRIMARY_SPACE_MODE; - else if (!p || strcmp(p, "home") == 0) - user_mode = HOME_SPACE_MODE; - else - return 1; - return 0; -} -early_param("user_mode", early_parse_user_mode); - -static void setup_addressing_mode(void) -{ - if (user_mode == PRIMARY_SPACE_MODE) { - if (set_amode_primary()) - pr_info("Address spaces switched, " - "mvcos available\n"); - else - pr_info("Address spaces switched, " - "mvcos not available\n"); - } -} - -void *restart_stack __attribute__((__section__(".data"))); - -static void __init setup_lowcore(void) -{ - struct _lowcore *lc; - - /* - * Setup lowcore for boot cpu - */ - BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096); - lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); - lc->restart_psw.mask = psw_kernel_bits; - lc->restart_psw.addr = - PSW_ADDR_AMODE | (unsigned long) restart_int_handler; - lc->external_new_psw.mask = psw_kernel_bits | - PSW_MASK_DAT | PSW_MASK_MCHECK; - lc->external_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) ext_int_handler; - lc->svc_new_psw.mask = psw_kernel_bits | - PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK; - lc->svc_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) system_call; - lc->program_new_psw.mask = psw_kernel_bits | - PSW_MASK_DAT | PSW_MASK_MCHECK; - lc->program_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) pgm_check_handler; - lc->mcck_new_psw.mask = psw_kernel_bits; - lc->mcck_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) mcck_int_handler; - lc->io_new_psw.mask = psw_kernel_bits | - PSW_MASK_DAT | PSW_MASK_MCHECK; - lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler; - lc->clock_comparator = -1ULL; - lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE; - lc->async_stack = (unsigned long) - __alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + ASYNC_SIZE; - lc->panic_stack = (unsigned long) - __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + PAGE_SIZE; - lc->current_task = (unsigned long) init_thread_union.thread_info.task; - lc->thread_info = (unsigned long) &init_thread_union; - lc->machine_flags = S390_lowcore.machine_flags; - lc->stfl_fac_list = S390_lowcore.stfl_fac_list; - memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, - MAX_FACILITY_BIT/8); -#ifndef CONFIG_64BIT - if (MACHINE_HAS_IEEE) { - lc->extended_save_area_addr = (__u32) - __alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0); - /* enable extended save area */ - __ctl_set_bit(14, 29); - } -#else - lc->vdso_per_cpu_data = (unsigned long) &lc->paste[0]; -#endif - lc->sync_enter_timer = S390_lowcore.sync_enter_timer; - lc->async_enter_timer = S390_lowcore.async_enter_timer; - lc->exit_timer = S390_lowcore.exit_timer; - lc->user_timer = S390_lowcore.user_timer; - lc->system_timer = S390_lowcore.system_timer; - lc->steal_timer = S390_lowcore.steal_timer; - lc->last_update_timer = S390_lowcore.last_update_timer; - lc->last_update_clock = S390_lowcore.last_update_clock; - lc->ftrace_func = S390_lowcore.ftrace_func; - - restart_stack = __alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0); - restart_stack += ASYNC_SIZE; - - /* - * Set up PSW restart to call ipl.c:do_restart(). Copy the relevant - * restart data to the absolute zero lowcore. This is necesary if - * PSW restart is done on an offline CPU that has lowcore zero. - */ - lc->restart_stack = (unsigned long) restart_stack; - lc->restart_fn = (unsigned long) do_restart; - lc->restart_data = 0; - lc->restart_source = -1UL; - memcpy(&S390_lowcore.restart_stack, &lc->restart_stack, - 4*sizeof(unsigned long)); - copy_to_absolute_zero(&S390_lowcore.restart_psw, - &lc->restart_psw, sizeof(psw_t)); - - set_prefix((u32)(unsigned long) lc); - lowcore_ptr[0] = lc; -} - -static struct resource code_resource = { - .name = "Kernel code", - .flags = IORESOURCE_BUSY | IORESOURCE_MEM, -}; - -static struct resource data_resource = { - .name = "Kernel data", - .flags = IORESOURCE_BUSY | IORESOURCE_MEM, -}; - -static struct resource bss_resource = { - .name = "Kernel bss", - .flags = IORESOURCE_BUSY | IORESOURCE_MEM, -}; - -static struct resource __initdata *standard_resources[] = { - &code_resource, - &data_resource, - &bss_resource, -}; - -static void __init setup_resources(void) -{ - struct resource *res, *std_res, *sub_res; - int i, j; - - code_resource.start = (unsigned long) &_text; - code_resource.end = (unsigned long) &_etext - 1; - data_resource.start = (unsigned long) &_etext; - data_resource.end = (unsigned long) &_edata - 1; - bss_resource.start = (unsigned long) &__bss_start; - bss_resource.end = (unsigned long) &__bss_stop - 1; - - for (i = 0; i < MEMORY_CHUNKS; i++) { - if (!memory_chunk[i].size) - continue; - if (memory_chunk[i].type == CHUNK_OLDMEM || - memory_chunk[i].type == CHUNK_CRASHK) - continue; - res = alloc_bootmem_low(sizeof(*res)); - res->flags = IORESOURCE_BUSY | IORESOURCE_MEM; - switch (memory_chunk[i].type) { - case CHUNK_READ_WRITE: - case CHUNK_CRASHK: - res->name = "System RAM"; - break; - case CHUNK_READ_ONLY: - res->name = "System ROM"; - res->flags |= IORESOURCE_READONLY; - break; - default: - res->name = "reserved"; - } - res->start = memory_chunk[i].addr; - res->end = res->start + memory_chunk[i].size - 1; - request_resource(&iomem_resource, res); - - for (j = 0; j < ARRAY_SIZE(standard_resources); j++) { - std_res = standard_resources[j]; - if (std_res->start < res->start || - std_res->start > res->end) - continue; - if (std_res->end > res->end) { - sub_res = alloc_bootmem_low(sizeof(*sub_res)); - *sub_res = *std_res; - sub_res->end = res->end; - std_res->start = res->end + 1; - request_resource(res, sub_res); - } else { - request_resource(res, std_res); - } - } - } -} - -unsigned long real_memory_size; -EXPORT_SYMBOL_GPL(real_memory_size); - -static void __init setup_memory_end(void) -{ - unsigned long vmax, vmalloc_size, tmp; - int i; - - -#ifdef CONFIG_ZFCPDUMP - if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) { - memory_end = ZFCPDUMP_HSA_SIZE; - memory_end_set = 1; - } -#endif - real_memory_size = 0; - memory_end &= PAGE_MASK; - - /* - * Make sure all chunks are MAX_ORDER aligned so we don't need the - * extra checks that HOLES_IN_ZONE would require. - */ - for (i = 0; i < MEMORY_CHUNKS; i++) { - unsigned long start, end; - struct mem_chunk *chunk; - unsigned long align; - - chunk = &memory_chunk[i]; - align = 1UL << (MAX_ORDER + PAGE_SHIFT - 1); - start = (chunk->addr + align - 1) & ~(align - 1); - end = (chunk->addr + chunk->size) & ~(align - 1); - if (start >= end) - memset(chunk, 0, sizeof(*chunk)); - else { - chunk->addr = start; - chunk->size = end - start; - } - real_memory_size = max(real_memory_size, - chunk->addr + chunk->size); - } - - /* Choose kernel address space layout: 2, 3, or 4 levels. */ -#ifdef CONFIG_64BIT - vmalloc_size = VMALLOC_END ?: 128UL << 30; - tmp = (memory_end ?: real_memory_size) / PAGE_SIZE; - tmp = tmp * (sizeof(struct page) + PAGE_SIZE) + vmalloc_size; - if (tmp <= (1UL << 42)) - vmax = 1UL << 42; /* 3-level kernel page table */ - else - vmax = 1UL << 53; /* 4-level kernel page table */ -#else - vmalloc_size = VMALLOC_END ?: 96UL << 20; - vmax = 1UL << 31; /* 2-level kernel page table */ -#endif - /* vmalloc area is at the end of the kernel address space. */ - VMALLOC_END = vmax; - VMALLOC_START = vmax - vmalloc_size; - - /* Split remaining virtual space between 1:1 mapping & vmemmap array */ - tmp = VMALLOC_START / (PAGE_SIZE + sizeof(struct page)); - tmp = VMALLOC_START - tmp * sizeof(struct page); - tmp &= ~((vmax >> 11) - 1); /* align to page table level */ - tmp = min(tmp, 1UL << MAX_PHYSMEM_BITS); - vmemmap = (struct page *) tmp; - - /* Take care that memory_end is set and <= vmemmap */ - memory_end = min(memory_end ?: real_memory_size, tmp); - - /* Fixup memory chunk array to fit into 0..memory_end */ - for (i = 0; i < MEMORY_CHUNKS; i++) { - struct mem_chunk *chunk = &memory_chunk[i]; - - if (chunk->addr >= memory_end) { - memset(chunk, 0, sizeof(*chunk)); - continue; - } - if (chunk->addr + chunk->size > memory_end) - chunk->size = memory_end - chunk->addr; - } -} - -static void __init setup_vmcoreinfo(void) -{ -#ifdef CONFIG_KEXEC - unsigned long ptr = paddr_vmcoreinfo_note(); - - copy_to_absolute_zero(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); -#endif -} - -#ifdef CONFIG_CRASH_DUMP - -/* - * Find suitable location for crashkernel memory - */ -static unsigned long __init find_crash_base(unsigned long crash_size, - char **msg) -{ - unsigned long crash_base; - struct mem_chunk *chunk; - int i; - - if (memory_chunk[0].size < crash_size) { - *msg = "first memory chunk must be at least crashkernel size"; - return 0; - } - if (OLDMEM_BASE && crash_size == OLDMEM_SIZE) - return OLDMEM_BASE; - - for (i = MEMORY_CHUNKS - 1; i >= 0; i--) { - chunk = &memory_chunk[i]; - if (chunk->size == 0) - continue; - if (chunk->type != CHUNK_READ_WRITE) - continue; - if (chunk->size < crash_size) - continue; - crash_base = (chunk->addr + chunk->size) - crash_size; - if (crash_base < crash_size) - continue; - if (crash_base < ZFCPDUMP_HSA_SIZE_MAX) - continue; - if (crash_base < (unsigned long) INITRD_START + INITRD_SIZE) - continue; - return crash_base; - } - *msg = "no suitable area found"; - return 0; -} - -/* - * Check if crash_base and crash_size is valid - */ -static int __init verify_crash_base(unsigned long crash_base, - unsigned long crash_size, - char **msg) -{ - struct mem_chunk *chunk; - int i; - - /* - * Because we do the swap to zero, we must have at least 'crash_size' - * bytes free space before crash_base - */ - if (crash_size > crash_base) { - *msg = "crashkernel offset must be greater than size"; - return -EINVAL; - } - - /* First memory chunk must be at least crash_size */ - if (memory_chunk[0].size < crash_size) { - *msg = "first memory chunk must be at least crashkernel size"; - return -EINVAL; - } - /* Check if we fit into the respective memory chunk */ - for (i = 0; i < MEMORY_CHUNKS; i++) { - chunk = &memory_chunk[i]; - if (chunk->size == 0) - continue; - if (crash_base < chunk->addr) - continue; - if (crash_base >= chunk->addr + chunk->size) - continue; - /* we have found the memory chunk */ - if (crash_base + crash_size > chunk->addr + chunk->size) { - *msg = "selected memory chunk is too small for " - "crashkernel memory"; - return -EINVAL; - } - return 0; - } - *msg = "invalid memory range specified"; - return -EINVAL; -} - -/* - * Reserve kdump memory by creating a memory hole in the mem_chunk array - */ -static void __init reserve_kdump_bootmem(unsigned long addr, unsigned long size, - int type) -{ - create_mem_hole(memory_chunk, addr, size, type); -} - -/* - * When kdump is enabled, we have to ensure that no memory from - * the area [0 - crashkernel memory size] and - * [crashk_res.start - crashk_res.end] is set offline. - */ -static int kdump_mem_notifier(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct memory_notify *arg = data; - - if (arg->start_pfn < PFN_DOWN(resource_size(&crashk_res))) - return NOTIFY_BAD; - if (arg->start_pfn > PFN_DOWN(crashk_res.end)) - return NOTIFY_OK; - if (arg->start_pfn + arg->nr_pages - 1 < PFN_DOWN(crashk_res.start)) - return NOTIFY_OK; - return NOTIFY_BAD; -} - -static struct notifier_block kdump_mem_nb = { - .notifier_call = kdump_mem_notifier, -}; - -#endif - -/* - * Make sure that oldmem, where the dump is stored, is protected - */ -static void reserve_oldmem(void) -{ -#ifdef CONFIG_CRASH_DUMP - if (!OLDMEM_BASE) - return; - - reserve_kdump_bootmem(OLDMEM_BASE, OLDMEM_SIZE, CHUNK_OLDMEM); - reserve_kdump_bootmem(OLDMEM_SIZE, memory_end - OLDMEM_SIZE, - CHUNK_OLDMEM); - if (OLDMEM_BASE + OLDMEM_SIZE == real_memory_size) - saved_max_pfn = PFN_DOWN(OLDMEM_BASE) - 1; - else - saved_max_pfn = PFN_DOWN(real_memory_size) - 1; -#endif -} - -/* - * Reserve memory for kdump kernel to be loaded with kexec - */ -static void __init reserve_crashkernel(void) -{ -#ifdef CONFIG_CRASH_DUMP - unsigned long long crash_base, crash_size; - char *msg = NULL; - int rc; - - rc = parse_crashkernel(boot_command_line, memory_end, &crash_size, - &crash_base); - if (rc || crash_size == 0) - return; - crash_base = ALIGN(crash_base, KEXEC_CRASH_MEM_ALIGN); - crash_size = ALIGN(crash_size, KEXEC_CRASH_MEM_ALIGN); - if (register_memory_notifier(&kdump_mem_nb)) - return; - if (!crash_base) - crash_base = find_crash_base(crash_size, &msg); - if (!crash_base) { - pr_info("crashkernel reservation failed: %s\n", msg); - unregister_memory_notifier(&kdump_mem_nb); - return; - } - if (verify_crash_base(crash_base, crash_size, &msg)) { - pr_info("crashkernel reservation failed: %s\n", msg); - unregister_memory_notifier(&kdump_mem_nb); - return; - } - if (!OLDMEM_BASE && MACHINE_IS_VM) - diag10_range(PFN_DOWN(crash_base), PFN_DOWN(crash_size)); - crashk_res.start = crash_base; - crashk_res.end = crash_base + crash_size - 1; - insert_resource(&iomem_resource, &crashk_res); - reserve_kdump_bootmem(crash_base, crash_size, CHUNK_CRASHK); - pr_info("Reserving %lluMB of memory at %lluMB " - "for crashkernel (System RAM: %luMB)\n", - crash_size >> 20, crash_base >> 20, memory_end >> 20); - os_info_crashkernel_add(crash_base, crash_size); -#endif -} - -static void __init setup_memory(void) -{ - unsigned long bootmap_size; - unsigned long start_pfn, end_pfn; - int i; - - /* - * partially used pages are not usable - thus - * we are rounding upwards: - */ - start_pfn = PFN_UP(__pa(&_end)); - end_pfn = max_pfn = PFN_DOWN(memory_end); - -#ifdef CONFIG_BLK_DEV_INITRD - /* - * Move the initrd in case the bitmap of the bootmem allocater - * would overwrite it. - */ - - if (INITRD_START && INITRD_SIZE) { - unsigned long bmap_size; - unsigned long start; - - bmap_size = bootmem_bootmap_pages(end_pfn - start_pfn + 1); - bmap_size = PFN_PHYS(bmap_size); - - if (PFN_PHYS(start_pfn) + bmap_size > INITRD_START) { - start = PFN_PHYS(start_pfn) + bmap_size + PAGE_SIZE; - -#ifdef CONFIG_CRASH_DUMP - if (OLDMEM_BASE) { - /* Move initrd behind kdump oldmem */ - if (start + INITRD_SIZE > OLDMEM_BASE && - start < OLDMEM_BASE + OLDMEM_SIZE) - start = OLDMEM_BASE + OLDMEM_SIZE; - } -#endif - if (start + INITRD_SIZE > memory_end) { - pr_err("initrd extends beyond end of " - "memory (0x%08lx > 0x%08lx) " - "disabling initrd\n", - start + INITRD_SIZE, memory_end); - INITRD_START = INITRD_SIZE = 0; - } else { - pr_info("Moving initrd (0x%08lx -> " - "0x%08lx, size: %ld)\n", - INITRD_START, start, INITRD_SIZE); - memmove((void *) start, (void *) INITRD_START, - INITRD_SIZE); - INITRD_START = start; - } - } - } -#endif - - /* - * Initialize the boot-time allocator - */ - bootmap_size = init_bootmem(start_pfn, end_pfn); - - /* - * Register RAM areas with the bootmem allocator. - */ - - for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { - unsigned long start_chunk, end_chunk, pfn; - - if (memory_chunk[i].type != CHUNK_READ_WRITE && - memory_chunk[i].type != CHUNK_CRASHK) - continue; - start_chunk = PFN_DOWN(memory_chunk[i].addr); - end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size); - end_chunk = min(end_chunk, end_pfn); - if (start_chunk >= end_chunk) - continue; - memblock_add_node(PFN_PHYS(start_chunk), - PFN_PHYS(end_chunk - start_chunk), 0); - pfn = max(start_chunk, start_pfn); - for (; pfn < end_chunk; pfn++) - page_set_storage_key(PFN_PHYS(pfn), - PAGE_DEFAULT_KEY, 0); - } - - psw_set_key(PAGE_DEFAULT_KEY); - - free_bootmem_with_active_regions(0, max_pfn); - - /* - * Reserve memory used for lowcore/command line/kernel image. - */ - reserve_bootmem(0, (unsigned long)_ehead, BOOTMEM_DEFAULT); - reserve_bootmem((unsigned long)_stext, - PFN_PHYS(start_pfn) - (unsigned long)_stext, - BOOTMEM_DEFAULT); - /* - * Reserve the bootmem bitmap itself as well. We do this in two - * steps (first step was init_bootmem()) because this catches - * the (very unlikely) case of us accidentally initializing the - * bootmem allocator with an invalid RAM area. - */ - reserve_bootmem(start_pfn << PAGE_SHIFT, bootmap_size, - BOOTMEM_DEFAULT); - -#ifdef CONFIG_CRASH_DUMP - if (crashk_res.start) - reserve_bootmem(crashk_res.start, - crashk_res.end - crashk_res.start + 1, - BOOTMEM_DEFAULT); - if (is_kdump_kernel()) - reserve_bootmem(elfcorehdr_addr - OLDMEM_BASE, - PAGE_ALIGN(elfcorehdr_size), BOOTMEM_DEFAULT); -#endif -#ifdef CONFIG_BLK_DEV_INITRD - if (INITRD_START && INITRD_SIZE) { - if (INITRD_START + INITRD_SIZE <= memory_end) { - reserve_bootmem(INITRD_START, INITRD_SIZE, - BOOTMEM_DEFAULT); - initrd_start = INITRD_START; - initrd_end = initrd_start + INITRD_SIZE; - } else { - pr_err("initrd extends beyond end of " - "memory (0x%08lx > 0x%08lx) " - "disabling initrd\n", - initrd_start + INITRD_SIZE, memory_end); - initrd_start = initrd_end = 0; - } - } -#endif -} - -/* - * Setup hardware capabilities. - */ -static void __init setup_hwcaps(void) -{ - static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 }; - struct cpuid cpu_id; - int i; - - /* - * The store facility list bits numbers as found in the principles - * of operation are numbered with bit 1UL<<31 as number 0 to - * bit 1UL<<0 as number 31. - * Bit 0: instructions named N3, "backported" to esa-mode - * Bit 2: z/Architecture mode is active - * Bit 7: the store-facility-list-extended facility is installed - * Bit 17: the message-security assist is installed - * Bit 19: the long-displacement facility is installed - * Bit 21: the extended-immediate facility is installed - * Bit 22: extended-translation facility 3 is installed - * Bit 30: extended-translation facility 3 enhancement facility - * These get translated to: - * HWCAP_S390_ESAN3 bit 0, HWCAP_S390_ZARCH bit 1, - * HWCAP_S390_STFLE bit 2, HWCAP_S390_MSA bit 3, - * HWCAP_S390_LDISP bit 4, HWCAP_S390_EIMM bit 5 and - * HWCAP_S390_ETF3EH bit 8 (22 && 30). - */ - for (i = 0; i < 6; i++) - if (test_facility(stfl_bits[i])) - elf_hwcap |= 1UL << i; - - if (test_facility(22) && test_facility(30)) - elf_hwcap |= HWCAP_S390_ETF3EH; - - /* - * Check for additional facilities with store-facility-list-extended. - * stfle stores doublewords (8 byte) with bit 1ULL<<63 as bit 0 - * and 1ULL<<0 as bit 63. Bits 0-31 contain the same information - * as stored by stfl, bits 32-xxx contain additional facilities. - * How many facility words are stored depends on the number of - * doublewords passed to the instruction. The additional facilities - * are: - * Bit 42: decimal floating point facility is installed - * Bit 44: perform floating point operation facility is installed - * translated to: - * HWCAP_S390_DFP bit 6 (42 && 44). - */ - if ((elf_hwcap & (1UL << 2)) && test_facility(42) && test_facility(44)) - elf_hwcap |= HWCAP_S390_DFP; - - /* - * Huge page support HWCAP_S390_HPAGE is bit 7. - */ - if (MACHINE_HAS_HPAGE) - elf_hwcap |= HWCAP_S390_HPAGE; - - /* - * 64-bit register support for 31-bit processes - * HWCAP_S390_HIGH_GPRS is bit 9. - */ - elf_hwcap |= HWCAP_S390_HIGH_GPRS; - - get_cpu_id(&cpu_id); - switch (cpu_id.machine) { - case 0x9672: -#if !defined(CONFIG_64BIT) - default: /* Use "g5" as default for 31 bit kernels. */ -#endif - strcpy(elf_platform, "g5"); - break; - case 0x2064: - case 0x2066: -#if defined(CONFIG_64BIT) - default: /* Use "z900" as default for 64 bit kernels. */ -#endif - strcpy(elf_platform, "z900"); - break; - case 0x2084: - case 0x2086: - strcpy(elf_platform, "z990"); - break; - case 0x2094: - case 0x2096: - strcpy(elf_platform, "z9-109"); - break; - case 0x2097: - case 0x2098: - strcpy(elf_platform, "z10"); - break; - case 0x2817: - case 0x2818: - strcpy(elf_platform, "z196"); - break; - } -} - -/* - * Setup function called from init/main.c just after the banner - * was printed. - */ - -void __init setup_arch(char **cmdline_p) -{ - /* - * print what head.S has found out about the machine - */ -#ifndef CONFIG_64BIT - if (MACHINE_IS_VM) - pr_info("Linux is running as a z/VM " - "guest operating system in 31-bit mode\n"); - else if (MACHINE_IS_LPAR) - pr_info("Linux is running natively in 31-bit mode\n"); - if (MACHINE_HAS_IEEE) - pr_info("The hardware system has IEEE compatible " - "floating point units\n"); - else - pr_info("The hardware system has no IEEE compatible " - "floating point units\n"); -#else /* CONFIG_64BIT */ - if (MACHINE_IS_VM) - pr_info("Linux is running as a z/VM " - "guest operating system in 64-bit mode\n"); - else if (MACHINE_IS_KVM) - pr_info("Linux is running under KVM in 64-bit mode\n"); - else if (MACHINE_IS_LPAR) - pr_info("Linux is running natively in 64-bit mode\n"); -#endif /* CONFIG_64BIT */ - - /* Have one command line that is parsed and saved in /proc/cmdline */ - /* boot_command_line has been already set up in early.c */ - *cmdline_p = boot_command_line; - - ROOT_DEV = Root_RAM0; - - init_mm.start_code = PAGE_OFFSET; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; - init_mm.brk = (unsigned long) &_end; - - if (MACHINE_HAS_MVCOS) - memcpy(&uaccess, &uaccess_mvcos, sizeof(uaccess)); - else - memcpy(&uaccess, &uaccess_std, sizeof(uaccess)); - - parse_early_param(); - - os_info_init(); - setup_ipl(); - setup_memory_end(); - setup_addressing_mode(); - reserve_oldmem(); - reserve_crashkernel(); - setup_memory(); - setup_resources(); - setup_vmcoreinfo(); - setup_lowcore(); - - cpu_init(); - s390_init_cpu_topology(); - - /* - * Setup capabilities (ELF_HWCAP & ELF_PLATFORM). - */ - setup_hwcaps(); - - /* - * Create kernel page tables and switch to virtual addressing. - */ - paging_init(); - - /* Setup default console */ - conmode_default(); - set_preferred_console(); - - /* Setup zfcpdump support */ - setup_zfcpdump(console_devno); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/signal.c b/ANDROID_3.4.5/arch/s390/kernel/signal.c deleted file mode 100644 index f7582b27..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/signal.c +++ /dev/null @@ -1,522 +0,0 @@ -/* - * arch/s390/kernel/signal.c - * - * Copyright (C) IBM Corp. 1999,2006 - * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) - * - * Based on Intel version - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson - */ - -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/stddef.h> -#include <linux/tty.h> -#include <linux/personality.h> -#include <linux/binfmts.h> -#include <linux/tracehook.h> -#include <linux/syscalls.h> -#include <linux/compat.h> -#include <asm/ucontext.h> -#include <asm/uaccess.h> -#include <asm/lowcore.h> -#include <asm/switch_to.h> -#include "entry.h" - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - - -typedef struct -{ - __u8 callee_used_stack[__SIGNAL_FRAMESIZE]; - struct sigcontext sc; - _sigregs sregs; - int signo; - __u8 retcode[S390_SYSCALL_SIZE]; -} sigframe; - -typedef struct -{ - __u8 callee_used_stack[__SIGNAL_FRAMESIZE]; - __u8 retcode[S390_SYSCALL_SIZE]; - struct siginfo info; - struct ucontext uc; -} rt_sigframe; - -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask) -{ - sigset_t blocked; - - current->saved_sigmask = current->blocked; - mask &= _BLOCKABLE; - siginitset(&blocked, mask); - set_current_blocked(&blocked); - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - set_restore_sigmask(); - return -ERESTARTNOHAND; -} - -SYSCALL_DEFINE3(sigaction, int, sig, const struct old_sigaction __user *, act, - struct old_sigaction __user *, oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} - -SYSCALL_DEFINE2(sigaltstack, const stack_t __user *, uss, - stack_t __user *, uoss) -{ - struct pt_regs *regs = task_pt_regs(current); - return do_sigaltstack(uss, uoss, regs->gprs[15]); -} - -/* Returns non-zero on fault. */ -static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs) -{ - _sigregs user_sregs; - - save_access_regs(current->thread.acrs); - - /* Copy a 'clean' PSW mask to the user to avoid leaking - information about whether PER is currently on. */ - user_sregs.regs.psw.mask = psw_user_bits | - (regs->psw.mask & PSW_MASK_USER); - user_sregs.regs.psw.addr = regs->psw.addr; - memcpy(&user_sregs.regs.gprs, ®s->gprs, sizeof(sregs->regs.gprs)); - memcpy(&user_sregs.regs.acrs, current->thread.acrs, - sizeof(sregs->regs.acrs)); - /* - * We have to store the fp registers to current->thread.fp_regs - * to merge them with the emulated registers. - */ - save_fp_regs(¤t->thread.fp_regs); - memcpy(&user_sregs.fpregs, ¤t->thread.fp_regs, - sizeof(s390_fp_regs)); - return __copy_to_user(sregs, &user_sregs, sizeof(_sigregs)); -} - -/* Returns positive number on error */ -static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs) -{ - int err; - _sigregs user_sregs; - - /* Alwys make any pending restarted system call return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err = __copy_from_user(&user_sregs, sregs, sizeof(_sigregs)); - if (err) - return err; - /* Use regs->psw.mask instead of psw_user_bits to preserve PER bit. */ - regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) | - (user_sregs.regs.psw.mask & PSW_MASK_USER); - /* Check for invalid amode */ - if (regs->psw.mask & PSW_MASK_EA) - regs->psw.mask |= PSW_MASK_BA; - regs->psw.addr = user_sregs.regs.psw.addr; - memcpy(®s->gprs, &user_sregs.regs.gprs, sizeof(sregs->regs.gprs)); - memcpy(¤t->thread.acrs, &user_sregs.regs.acrs, - sizeof(sregs->regs.acrs)); - restore_access_regs(current->thread.acrs); - - memcpy(¤t->thread.fp_regs, &user_sregs.fpregs, - sizeof(s390_fp_regs)); - current->thread.fp_regs.fpc &= FPC_VALID_MASK; - - restore_fp_regs(¤t->thread.fp_regs); - clear_thread_flag(TIF_SYSCALL); /* No longer in a system call */ - return 0; -} - -SYSCALL_DEFINE0(sigreturn) -{ - struct pt_regs *regs = task_pt_regs(current); - sigframe __user *frame = (sigframe __user *)regs->gprs[15]; - sigset_t set; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE)) - goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - set_current_blocked(&set); - if (restore_sigregs(regs, &frame->sregs)) - goto badframe; - return regs->gprs[2]; -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -SYSCALL_DEFINE0(rt_sigreturn) -{ - struct pt_regs *regs = task_pt_regs(current); - rt_sigframe __user *frame = (rt_sigframe __user *)regs->gprs[15]; - sigset_t set; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set.sig, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - set_current_blocked(&set); - if (restore_sigregs(regs, &frame->uc.uc_mcontext)) - goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, - regs->gprs[15]) == -EFAULT) - goto badframe; - return regs->gprs[2]; -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -/* - * Set up a signal frame. - */ - - -/* - * Determine which stack to use.. - */ -static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) -{ - unsigned long sp; - - /* Default to using normal stack */ - sp = regs->gprs[15]; - - /* Overflow on alternate signal stack gives SIGSEGV. */ - if (on_sig_stack(sp) && !on_sig_stack((sp - frame_size) & -8UL)) - return (void __user *) -1UL; - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (! sas_ss_flags(sp)) - sp = current->sas_ss_sp + current->sas_ss_size; - } - - /* This is the legacy signal stack switching. */ - else if (!user_mode(regs) && - !(ka->sa.sa_flags & SA_RESTORER) && - ka->sa.sa_restorer) { - sp = (unsigned long) ka->sa.sa_restorer; - } - - return (void __user *)((sp - frame_size) & -8ul); -} - -static inline int map_signal(int sig) -{ - if (current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32) - return current_thread_info()->exec_domain->signal_invmap[sig]; - else - return sig; -} - -static int setup_frame(int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs * regs) -{ - sigframe __user *frame; - - frame = get_sigframe(ka, regs, sizeof(sigframe)); - if (!access_ok(VERIFY_WRITE, frame, sizeof(sigframe))) - goto give_sigsegv; - - if (frame == (void __user *) -1UL) - goto give_sigsegv; - - if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE)) - goto give_sigsegv; - - if (save_sigregs(regs, &frame->sregs)) - goto give_sigsegv; - if (__put_user(&frame->sregs, &frame->sc.sregs)) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->gprs[14] = (unsigned long) - ka->sa.sa_restorer | PSW_ADDR_AMODE; - } else { - regs->gprs[14] = (unsigned long) - frame->retcode | PSW_ADDR_AMODE; - if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn, - (u16 __user *)(frame->retcode))) - goto give_sigsegv; - } - - /* Set up backchain. */ - if (__put_user(regs->gprs[15], (addr_t __user *) frame)) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->gprs[15] = (unsigned long) frame; - regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */ - regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE; - - regs->gprs[2] = map_signal(sig); - regs->gprs[3] = (unsigned long) &frame->sc; - - /* We forgot to include these in the sigcontext. - To avoid breaking binary compatibility, they are passed as args. */ - if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || - sig == SIGTRAP || sig == SIGFPE) { - /* set extra registers only for synchronous signals */ - regs->gprs[4] = regs->int_code & 127; - regs->gprs[5] = regs->int_parm_long; - regs->gprs[6] = task_thread_info(current)->last_break; - } - - /* Place signal number on stack to allow backtrace from handler. */ - if (__put_user(regs->gprs[2], (int __user *) &frame->signo)) - goto give_sigsegv; - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; -} - -static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) -{ - int err = 0; - rt_sigframe __user *frame; - - frame = get_sigframe(ka, regs, sizeof(rt_sigframe)); - if (!access_ok(VERIFY_WRITE, frame, sizeof(rt_sigframe))) - goto give_sigsegv; - - if (frame == (void __user *) -1UL) - goto give_sigsegv; - - if (copy_siginfo_to_user(&frame->info, info)) - goto give_sigsegv; - - /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(NULL, &frame->uc.uc_link); - err |= __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->gprs[15]), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= save_sigregs(regs, &frame->uc.uc_mcontext); - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); - if (err) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->gprs[14] = (unsigned long) - ka->sa.sa_restorer | PSW_ADDR_AMODE; - } else { - regs->gprs[14] = (unsigned long) - frame->retcode | PSW_ADDR_AMODE; - if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn, - (u16 __user *)(frame->retcode))) - goto give_sigsegv; - } - - /* Set up backchain. */ - if (__put_user(regs->gprs[15], (addr_t __user *) frame)) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->gprs[15] = (unsigned long) frame; - regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */ - regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE; - - regs->gprs[2] = map_signal(sig); - regs->gprs[3] = (unsigned long) &frame->info; - regs->gprs[4] = (unsigned long) &frame->uc; - regs->gprs[5] = task_thread_info(current)->last_break; - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; -} - -static int handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, - struct pt_regs *regs) -{ - int ret; - - /* Set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - ret = setup_rt_frame(sig, ka, info, oldset, regs); - else - ret = setup_frame(sig, ka, oldset, regs); - if (ret) - return ret; - block_sigmask(ka, sig); - return 0; -} - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - * - * Note that we go through the signals twice: once to check the signals that - * the kernel can handle, and then we build all the user-level signal handling - * stack-frames in one go after that. - */ -void do_signal(struct pt_regs *regs) -{ - siginfo_t info; - int signr; - struct k_sigaction ka; - sigset_t *oldset; - - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(regs)) - return; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - - /* - * Get signal to deliver. When running under ptrace, at this point - * the debugger may change all our registers, including the system - * call information. - */ - current_thread_info()->system_call = - test_thread_flag(TIF_SYSCALL) ? regs->int_code : 0; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - - if (signr > 0) { - /* Whee! Actually deliver the signal. */ - if (current_thread_info()->system_call) { - regs->int_code = current_thread_info()->system_call; - /* Check for system call restarting. */ - switch (regs->gprs[2]) { - case -ERESTART_RESTARTBLOCK: - case -ERESTARTNOHAND: - regs->gprs[2] = -EINTR; - break; - case -ERESTARTSYS: - if (!(ka.sa.sa_flags & SA_RESTART)) { - regs->gprs[2] = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - regs->gprs[2] = regs->orig_gpr2; - regs->psw.addr = - __rewind_psw(regs->psw, - regs->int_code >> 16); - break; - } - } - /* No longer in a system call */ - clear_thread_flag(TIF_SYSCALL); - - if ((is_compat_task() ? - handle_signal32(signr, &ka, &info, oldset, regs) : - handle_signal(signr, &ka, &info, oldset, regs)) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - /* - * Let tracing know that we've done the handler setup. - */ - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLE_STEP)); - } - return; - } - - /* No handlers present - check for system call restart */ - clear_thread_flag(TIF_SYSCALL); - if (current_thread_info()->system_call) { - regs->int_code = current_thread_info()->system_call; - switch (regs->gprs[2]) { - case -ERESTART_RESTARTBLOCK: - /* Restart with sys_restart_syscall */ - regs->int_code = __NR_restart_syscall; - /* fallthrough */ - case -ERESTARTNOHAND: - case -ERESTARTSYS: - case -ERESTARTNOINTR: - /* Restart system call with magic TIF bit. */ - regs->gprs[2] = regs->orig_gpr2; - set_thread_flag(TIF_SYSCALL); - break; - } - } - - /* - * If there's no signal to deliver, we just put the saved sigmask back. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } -} - -void do_notify_resume(struct pt_regs *regs) -{ - clear_thread_flag(TIF_NOTIFY_RESUME); - tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/smp.c b/ANDROID_3.4.5/arch/s390/kernel/smp.c deleted file mode 100644 index 1f772276..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/smp.c +++ /dev/null @@ -1,1146 +0,0 @@ -/* - * SMP related functions - * - * Copyright IBM Corp. 1999,2012 - * Author(s): Denis Joseph Barrow, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - * - * based on other smp stuff by - * (c) 1995 Alan Cox, CymruNET Ltd <alan@cymru.net> - * (c) 1998 Ingo Molnar - * - * The code outside of smp.c uses logical cpu numbers, only smp.c does - * the translation of logical to physical cpu ids. All new code that - * operates on physical cpu numbers needs to go into smp.c. - */ - -#define KMSG_COMPONENT "cpu" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/workqueue.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/err.h> -#include <linux/spinlock.h> -#include <linux/kernel_stat.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/irqflags.h> -#include <linux/cpu.h> -#include <linux/slab.h> -#include <linux/crash_dump.h> -#include <asm/asm-offsets.h> -#include <asm/switch_to.h> -#include <asm/facility.h> -#include <asm/ipl.h> -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/tlbflush.h> -#include <asm/timer.h> -#include <asm/lowcore.h> -#include <asm/sclp.h> -#include <asm/vdso.h> -#include <asm/debug.h> -#include <asm/os_info.h> -#include "entry.h" - -enum { - sigp_sense = 1, - sigp_external_call = 2, - sigp_emergency_signal = 3, - sigp_start = 4, - sigp_stop = 5, - sigp_restart = 6, - sigp_stop_and_store_status = 9, - sigp_initial_cpu_reset = 11, - sigp_cpu_reset = 12, - sigp_set_prefix = 13, - sigp_store_status_at_address = 14, - sigp_store_extended_status_at_address = 15, - sigp_set_architecture = 18, - sigp_conditional_emergency_signal = 19, - sigp_sense_running = 21, -}; - -enum { - sigp_order_code_accepted = 0, - sigp_status_stored = 1, - sigp_busy = 2, - sigp_not_operational = 3, -}; - -enum { - ec_schedule = 0, - ec_call_function, - ec_call_function_single, - ec_stop_cpu, -}; - -enum { - CPU_STATE_STANDBY, - CPU_STATE_CONFIGURED, -}; - -struct pcpu { - struct cpu cpu; - struct task_struct *idle; /* idle process for the cpu */ - struct _lowcore *lowcore; /* lowcore page(s) for the cpu */ - unsigned long async_stack; /* async stack for the cpu */ - unsigned long panic_stack; /* panic stack for the cpu */ - unsigned long ec_mask; /* bit mask for ec_xxx functions */ - int state; /* physical cpu state */ - u32 status; /* last status received via sigp */ - u16 address; /* physical cpu address */ -}; - -static u8 boot_cpu_type; -static u16 boot_cpu_address; -static struct pcpu pcpu_devices[NR_CPUS]; - -DEFINE_MUTEX(smp_cpu_state_mutex); - -/* - * Signal processor helper functions. - */ -static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status) -{ - register unsigned int reg1 asm ("1") = parm; - int cc; - - asm volatile( - " sigp %1,%2,0(%3)\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); - if (status && cc == 1) - *status = reg1; - return cc; -} - -static inline int __pcpu_sigp_relax(u16 addr, u8 order, u32 parm, u32 *status) -{ - int cc; - - while (1) { - cc = __pcpu_sigp(addr, order, parm, status); - if (cc != sigp_busy) - return cc; - cpu_relax(); - } -} - -static int pcpu_sigp_retry(struct pcpu *pcpu, u8 order, u32 parm) -{ - int cc, retry; - - for (retry = 0; ; retry++) { - cc = __pcpu_sigp(pcpu->address, order, parm, &pcpu->status); - if (cc != sigp_busy) - break; - if (retry >= 3) - udelay(10); - } - return cc; -} - -static inline int pcpu_stopped(struct pcpu *pcpu) -{ - if (__pcpu_sigp(pcpu->address, sigp_sense, - 0, &pcpu->status) != sigp_status_stored) - return 0; - /* Check for stopped and check stop state */ - return !!(pcpu->status & 0x50); -} - -static inline int pcpu_running(struct pcpu *pcpu) -{ - if (__pcpu_sigp(pcpu->address, sigp_sense_running, - 0, &pcpu->status) != sigp_status_stored) - return 1; - /* Check for running status */ - return !(pcpu->status & 0x400); -} - -/* - * Find struct pcpu by cpu address. - */ -static struct pcpu *pcpu_find_address(const struct cpumask *mask, int address) -{ - int cpu; - - for_each_cpu(cpu, mask) - if (pcpu_devices[cpu].address == address) - return pcpu_devices + cpu; - return NULL; -} - -static void pcpu_ec_call(struct pcpu *pcpu, int ec_bit) -{ - int order; - - set_bit(ec_bit, &pcpu->ec_mask); - order = pcpu_running(pcpu) ? - sigp_external_call : sigp_emergency_signal; - pcpu_sigp_retry(pcpu, order, 0); -} - -static int __cpuinit pcpu_alloc_lowcore(struct pcpu *pcpu, int cpu) -{ - struct _lowcore *lc; - - if (pcpu != &pcpu_devices[0]) { - pcpu->lowcore = (struct _lowcore *) - __get_free_pages(GFP_KERNEL | GFP_DMA, LC_ORDER); - pcpu->async_stack = __get_free_pages(GFP_KERNEL, ASYNC_ORDER); - pcpu->panic_stack = __get_free_page(GFP_KERNEL); - if (!pcpu->lowcore || !pcpu->panic_stack || !pcpu->async_stack) - goto out; - } - lc = pcpu->lowcore; - memcpy(lc, &S390_lowcore, 512); - memset((char *) lc + 512, 0, sizeof(*lc) - 512); - lc->async_stack = pcpu->async_stack + ASYNC_SIZE; - lc->panic_stack = pcpu->panic_stack + PAGE_SIZE; - lc->cpu_nr = cpu; -#ifndef CONFIG_64BIT - if (MACHINE_HAS_IEEE) { - lc->extended_save_area_addr = get_zeroed_page(GFP_KERNEL); - if (!lc->extended_save_area_addr) - goto out; - } -#else - if (vdso_alloc_per_cpu(lc)) - goto out; -#endif - lowcore_ptr[cpu] = lc; - pcpu_sigp_retry(pcpu, sigp_set_prefix, (u32)(unsigned long) lc); - return 0; -out: - if (pcpu != &pcpu_devices[0]) { - free_page(pcpu->panic_stack); - free_pages(pcpu->async_stack, ASYNC_ORDER); - free_pages((unsigned long) pcpu->lowcore, LC_ORDER); - } - return -ENOMEM; -} - -static void pcpu_free_lowcore(struct pcpu *pcpu) -{ - pcpu_sigp_retry(pcpu, sigp_set_prefix, 0); - lowcore_ptr[pcpu - pcpu_devices] = NULL; -#ifndef CONFIG_64BIT - if (MACHINE_HAS_IEEE) { - struct _lowcore *lc = pcpu->lowcore; - - free_page((unsigned long) lc->extended_save_area_addr); - lc->extended_save_area_addr = 0; - } -#else - vdso_free_per_cpu(pcpu->lowcore); -#endif - if (pcpu != &pcpu_devices[0]) { - free_page(pcpu->panic_stack); - free_pages(pcpu->async_stack, ASYNC_ORDER); - free_pages((unsigned long) pcpu->lowcore, LC_ORDER); - } -} - -static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu) -{ - struct _lowcore *lc = pcpu->lowcore; - - atomic_inc(&init_mm.context.attach_count); - lc->cpu_nr = cpu; - lc->percpu_offset = __per_cpu_offset[cpu]; - lc->kernel_asce = S390_lowcore.kernel_asce; - lc->machine_flags = S390_lowcore.machine_flags; - lc->ftrace_func = S390_lowcore.ftrace_func; - lc->user_timer = lc->system_timer = lc->steal_timer = 0; - __ctl_store(lc->cregs_save_area, 0, 15); - save_access_regs((unsigned int *) lc->access_regs_save_area); - memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, - MAX_FACILITY_BIT/8); -} - -static void pcpu_attach_task(struct pcpu *pcpu, struct task_struct *tsk) -{ - struct _lowcore *lc = pcpu->lowcore; - struct thread_info *ti = task_thread_info(tsk); - - lc->kernel_stack = (unsigned long) task_stack_page(tsk) + THREAD_SIZE; - lc->thread_info = (unsigned long) task_thread_info(tsk); - lc->current_task = (unsigned long) tsk; - lc->user_timer = ti->user_timer; - lc->system_timer = ti->system_timer; - lc->steal_timer = 0; -} - -static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data) -{ - struct _lowcore *lc = pcpu->lowcore; - - lc->restart_stack = lc->kernel_stack; - lc->restart_fn = (unsigned long) func; - lc->restart_data = (unsigned long) data; - lc->restart_source = -1UL; - pcpu_sigp_retry(pcpu, sigp_restart, 0); -} - -/* - * Call function via PSW restart on pcpu and stop the current cpu. - */ -static void pcpu_delegate(struct pcpu *pcpu, void (*func)(void *), - void *data, unsigned long stack) -{ - struct _lowcore *lc = pcpu->lowcore; - unsigned short this_cpu; - - __load_psw_mask(psw_kernel_bits); - this_cpu = stap(); - if (pcpu->address == this_cpu) - func(data); /* should not return */ - /* Stop target cpu (if func returns this stops the current cpu). */ - pcpu_sigp_retry(pcpu, sigp_stop, 0); - /* Restart func on the target cpu and stop the current cpu. */ - lc->restart_stack = stack; - lc->restart_fn = (unsigned long) func; - lc->restart_data = (unsigned long) data; - lc->restart_source = (unsigned long) this_cpu; - asm volatile( - "0: sigp 0,%0,6 # sigp restart to target cpu\n" - " brc 2,0b # busy, try again\n" - "1: sigp 0,%1,5 # sigp stop to current cpu\n" - " brc 2,1b # busy, try again\n" - : : "d" (pcpu->address), "d" (this_cpu) : "0", "1", "cc"); - for (;;) ; -} - -/* - * Call function on an online CPU. - */ -void smp_call_online_cpu(void (*func)(void *), void *data) -{ - struct pcpu *pcpu; - - /* Use the current cpu if it is online. */ - pcpu = pcpu_find_address(cpu_online_mask, stap()); - if (!pcpu) - /* Use the first online cpu. */ - pcpu = pcpu_devices + cpumask_first(cpu_online_mask); - pcpu_delegate(pcpu, func, data, (unsigned long) restart_stack); -} - -/* - * Call function on the ipl CPU. - */ -void smp_call_ipl_cpu(void (*func)(void *), void *data) -{ - pcpu_delegate(&pcpu_devices[0], func, data, - pcpu_devices->panic_stack + PAGE_SIZE); -} - -int smp_find_processor_id(u16 address) -{ - int cpu; - - for_each_present_cpu(cpu) - if (pcpu_devices[cpu].address == address) - return cpu; - return -1; -} - -int smp_vcpu_scheduled(int cpu) -{ - return pcpu_running(pcpu_devices + cpu); -} - -void smp_yield(void) -{ - if (MACHINE_HAS_DIAG44) - asm volatile("diag 0,0,0x44"); -} - -void smp_yield_cpu(int cpu) -{ - if (MACHINE_HAS_DIAG9C) - asm volatile("diag %0,0,0x9c" - : : "d" (pcpu_devices[cpu].address)); - else if (MACHINE_HAS_DIAG44) - asm volatile("diag 0,0,0x44"); -} - -/* - * Send cpus emergency shutdown signal. This gives the cpus the - * opportunity to complete outstanding interrupts. - */ -void smp_emergency_stop(cpumask_t *cpumask) -{ - u64 end; - int cpu; - - end = get_clock() + (1000000UL << 12); - for_each_cpu(cpu, cpumask) { - struct pcpu *pcpu = pcpu_devices + cpu; - set_bit(ec_stop_cpu, &pcpu->ec_mask); - while (__pcpu_sigp(pcpu->address, sigp_emergency_signal, - 0, NULL) == sigp_busy && - get_clock() < end) - cpu_relax(); - } - while (get_clock() < end) { - for_each_cpu(cpu, cpumask) - if (pcpu_stopped(pcpu_devices + cpu)) - cpumask_clear_cpu(cpu, cpumask); - if (cpumask_empty(cpumask)) - break; - cpu_relax(); - } -} - -/* - * Stop all cpus but the current one. - */ -void smp_send_stop(void) -{ - cpumask_t cpumask; - int cpu; - - /* Disable all interrupts/machine checks */ - __load_psw_mask(psw_kernel_bits | PSW_MASK_DAT); - trace_hardirqs_off(); - - debug_set_critical(); - cpumask_copy(&cpumask, cpu_online_mask); - cpumask_clear_cpu(smp_processor_id(), &cpumask); - - if (oops_in_progress) - smp_emergency_stop(&cpumask); - - /* stop all processors */ - for_each_cpu(cpu, &cpumask) { - struct pcpu *pcpu = pcpu_devices + cpu; - pcpu_sigp_retry(pcpu, sigp_stop, 0); - while (!pcpu_stopped(pcpu)) - cpu_relax(); - } -} - -/* - * Stop the current cpu. - */ -void smp_stop_cpu(void) -{ - pcpu_sigp_retry(pcpu_devices + smp_processor_id(), sigp_stop, 0); - for (;;) ; -} - -/* - * This is the main routine where commands issued by other - * cpus are handled. - */ -static void do_ext_call_interrupt(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - unsigned long bits; - int cpu; - - cpu = smp_processor_id(); - if (ext_code.code == 0x1202) - kstat_cpu(cpu).irqs[EXTINT_EXC]++; - else - kstat_cpu(cpu).irqs[EXTINT_EMS]++; - /* - * handle bit signal external calls - */ - bits = xchg(&pcpu_devices[cpu].ec_mask, 0); - - if (test_bit(ec_stop_cpu, &bits)) - smp_stop_cpu(); - - if (test_bit(ec_schedule, &bits)) - scheduler_ipi(); - - if (test_bit(ec_call_function, &bits)) - generic_smp_call_function_interrupt(); - - if (test_bit(ec_call_function_single, &bits)) - generic_smp_call_function_single_interrupt(); - -} - -void arch_send_call_function_ipi_mask(const struct cpumask *mask) -{ - int cpu; - - for_each_cpu(cpu, mask) - pcpu_ec_call(pcpu_devices + cpu, ec_call_function); -} - -void arch_send_call_function_single_ipi(int cpu) -{ - pcpu_ec_call(pcpu_devices + cpu, ec_call_function_single); -} - -#ifndef CONFIG_64BIT -/* - * this function sends a 'purge tlb' signal to another CPU. - */ -static void smp_ptlb_callback(void *info) -{ - __tlb_flush_local(); -} - -void smp_ptlb_all(void) -{ - on_each_cpu(smp_ptlb_callback, NULL, 1); -} -EXPORT_SYMBOL(smp_ptlb_all); -#endif /* ! CONFIG_64BIT */ - -/* - * this function sends a 'reschedule' IPI to another CPU. - * it goes straight through and wastes no time serializing - * anything. Worst case is that we lose a reschedule ... - */ -void smp_send_reschedule(int cpu) -{ - pcpu_ec_call(pcpu_devices + cpu, ec_schedule); -} - -/* - * parameter area for the set/clear control bit callbacks - */ -struct ec_creg_mask_parms { - unsigned long orval; - unsigned long andval; - int cr; -}; - -/* - * callback for setting/clearing control bits - */ -static void smp_ctl_bit_callback(void *info) -{ - struct ec_creg_mask_parms *pp = info; - unsigned long cregs[16]; - - __ctl_store(cregs, 0, 15); - cregs[pp->cr] = (cregs[pp->cr] & pp->andval) | pp->orval; - __ctl_load(cregs, 0, 15); -} - -/* - * Set a bit in a control register of all cpus - */ -void smp_ctl_set_bit(int cr, int bit) -{ - struct ec_creg_mask_parms parms = { 1UL << bit, -1UL, cr }; - - on_each_cpu(smp_ctl_bit_callback, &parms, 1); -} -EXPORT_SYMBOL(smp_ctl_set_bit); - -/* - * Clear a bit in a control register of all cpus - */ -void smp_ctl_clear_bit(int cr, int bit) -{ - struct ec_creg_mask_parms parms = { 0, ~(1UL << bit), cr }; - - on_each_cpu(smp_ctl_bit_callback, &parms, 1); -} -EXPORT_SYMBOL(smp_ctl_clear_bit); - -#if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_CRASH_DUMP) - -struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; -EXPORT_SYMBOL_GPL(zfcpdump_save_areas); - -static void __init smp_get_save_area(int cpu, u16 address) -{ - void *lc = pcpu_devices[0].lowcore; - struct save_area *save_area; - - if (is_kdump_kernel()) - return; - if (!OLDMEM_BASE && (address == boot_cpu_address || - ipl_info.type != IPL_TYPE_FCP_DUMP)) - return; - if (cpu >= NR_CPUS) { - pr_warning("CPU %i exceeds the maximum %i and is excluded " - "from the dump\n", cpu, NR_CPUS - 1); - return; - } - save_area = kmalloc(sizeof(struct save_area), GFP_KERNEL); - if (!save_area) - panic("could not allocate memory for save area\n"); - zfcpdump_save_areas[cpu] = save_area; -#ifdef CONFIG_CRASH_DUMP - if (address == boot_cpu_address) { - /* Copy the registers of the boot cpu. */ - copy_oldmem_page(1, (void *) save_area, sizeof(*save_area), - SAVE_AREA_BASE - PAGE_SIZE, 0); - return; - } -#endif - /* Get the registers of a non-boot cpu. */ - __pcpu_sigp_relax(address, sigp_stop_and_store_status, 0, NULL); - memcpy_real(save_area, lc + SAVE_AREA_BASE, sizeof(*save_area)); -} - -int smp_store_status(int cpu) -{ - struct pcpu *pcpu; - - pcpu = pcpu_devices + cpu; - if (__pcpu_sigp_relax(pcpu->address, sigp_stop_and_store_status, - 0, NULL) != sigp_order_code_accepted) - return -EIO; - return 0; -} - -#else /* CONFIG_ZFCPDUMP || CONFIG_CRASH_DUMP */ - -static inline void smp_get_save_area(int cpu, u16 address) { } - -#endif /* CONFIG_ZFCPDUMP || CONFIG_CRASH_DUMP */ - -static struct sclp_cpu_info *smp_get_cpu_info(void) -{ - static int use_sigp_detection; - struct sclp_cpu_info *info; - int address; - - info = kzalloc(sizeof(*info), GFP_KERNEL); - if (info && (use_sigp_detection || sclp_get_cpu_info(info))) { - use_sigp_detection = 1; - for (address = 0; address <= MAX_CPU_ADDRESS; address++) { - if (__pcpu_sigp_relax(address, sigp_sense, 0, NULL) == - sigp_not_operational) - continue; - info->cpu[info->configured].address = address; - info->configured++; - } - info->combined = info->configured; - } - return info; -} - -static int __devinit smp_add_present_cpu(int cpu); - -static int __devinit __smp_rescan_cpus(struct sclp_cpu_info *info, - int sysfs_add) -{ - struct pcpu *pcpu; - cpumask_t avail; - int cpu, nr, i; - - nr = 0; - cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask); - cpu = cpumask_first(&avail); - for (i = 0; (i < info->combined) && (cpu < nr_cpu_ids); i++) { - if (info->has_cpu_type && info->cpu[i].type != boot_cpu_type) - continue; - if (pcpu_find_address(cpu_present_mask, info->cpu[i].address)) - continue; - pcpu = pcpu_devices + cpu; - pcpu->address = info->cpu[i].address; - pcpu->state = (cpu >= info->configured) ? - CPU_STATE_STANDBY : CPU_STATE_CONFIGURED; - cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); - set_cpu_present(cpu, true); - if (sysfs_add && smp_add_present_cpu(cpu) != 0) - set_cpu_present(cpu, false); - else - nr++; - cpu = cpumask_next(cpu, &avail); - } - return nr; -} - -static void __init smp_detect_cpus(void) -{ - unsigned int cpu, c_cpus, s_cpus; - struct sclp_cpu_info *info; - - info = smp_get_cpu_info(); - if (!info) - panic("smp_detect_cpus failed to allocate memory\n"); - if (info->has_cpu_type) { - for (cpu = 0; cpu < info->combined; cpu++) { - if (info->cpu[cpu].address != boot_cpu_address) - continue; - /* The boot cpu dictates the cpu type. */ - boot_cpu_type = info->cpu[cpu].type; - break; - } - } - c_cpus = s_cpus = 0; - for (cpu = 0; cpu < info->combined; cpu++) { - if (info->has_cpu_type && info->cpu[cpu].type != boot_cpu_type) - continue; - if (cpu < info->configured) { - smp_get_save_area(c_cpus, info->cpu[cpu].address); - c_cpus++; - } else - s_cpus++; - } - pr_info("%d configured CPUs, %d standby CPUs\n", c_cpus, s_cpus); - get_online_cpus(); - __smp_rescan_cpus(info, 0); - put_online_cpus(); - kfree(info); -} - -/* - * Activate a secondary processor. - */ -static void __cpuinit smp_start_secondary(void *cpuvoid) -{ - S390_lowcore.last_update_clock = get_clock(); - S390_lowcore.restart_stack = (unsigned long) restart_stack; - S390_lowcore.restart_fn = (unsigned long) do_restart; - S390_lowcore.restart_data = 0; - S390_lowcore.restart_source = -1UL; - restore_access_regs(S390_lowcore.access_regs_save_area); - __ctl_load(S390_lowcore.cregs_save_area, 0, 15); - __load_psw_mask(psw_kernel_bits | PSW_MASK_DAT); - cpu_init(); - preempt_disable(); - init_cpu_timer(); - init_cpu_vtimer(); - pfault_init(); - notify_cpu_starting(smp_processor_id()); - ipi_call_lock(); - set_cpu_online(smp_processor_id(), true); - ipi_call_unlock(); - local_irq_enable(); - /* cpu_idle will call schedule for us */ - cpu_idle(); -} - -struct create_idle { - struct work_struct work; - struct task_struct *idle; - struct completion done; - int cpu; -}; - -static void __cpuinit smp_fork_idle(struct work_struct *work) -{ - struct create_idle *c_idle; - - c_idle = container_of(work, struct create_idle, work); - c_idle->idle = fork_idle(c_idle->cpu); - complete(&c_idle->done); -} - -/* Upping and downing of CPUs */ -int __cpuinit __cpu_up(unsigned int cpu) -{ - struct create_idle c_idle; - struct pcpu *pcpu; - int rc; - - pcpu = pcpu_devices + cpu; - if (pcpu->state != CPU_STATE_CONFIGURED) - return -EIO; - if (pcpu_sigp_retry(pcpu, sigp_initial_cpu_reset, 0) != - sigp_order_code_accepted) - return -EIO; - if (!pcpu->idle) { - c_idle.done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done); - INIT_WORK_ONSTACK(&c_idle.work, smp_fork_idle); - c_idle.cpu = cpu; - schedule_work(&c_idle.work); - wait_for_completion(&c_idle.done); - if (IS_ERR(c_idle.idle)) - return PTR_ERR(c_idle.idle); - pcpu->idle = c_idle.idle; - } - init_idle(pcpu->idle, cpu); - rc = pcpu_alloc_lowcore(pcpu, cpu); - if (rc) - return rc; - pcpu_prepare_secondary(pcpu, cpu); - pcpu_attach_task(pcpu, pcpu->idle); - pcpu_start_fn(pcpu, smp_start_secondary, NULL); - while (!cpu_online(cpu)) - cpu_relax(); - return 0; -} - -static int __init setup_possible_cpus(char *s) -{ - int max, cpu; - - if (kstrtoint(s, 0, &max) < 0) - return 0; - init_cpu_possible(cpumask_of(0)); - for (cpu = 1; cpu < max && cpu < nr_cpu_ids; cpu++) - set_cpu_possible(cpu, true); - return 0; -} -early_param("possible_cpus", setup_possible_cpus); - -#ifdef CONFIG_HOTPLUG_CPU - -int __cpu_disable(void) -{ - unsigned long cregs[16]; - - set_cpu_online(smp_processor_id(), false); - /* Disable pseudo page faults on this cpu. */ - pfault_fini(); - /* Disable interrupt sources via control register. */ - __ctl_store(cregs, 0, 15); - cregs[0] &= ~0x0000ee70UL; /* disable all external interrupts */ - cregs[6] &= ~0xff000000UL; /* disable all I/O interrupts */ - cregs[14] &= ~0x1f000000UL; /* disable most machine checks */ - __ctl_load(cregs, 0, 15); - return 0; -} - -void __cpu_die(unsigned int cpu) -{ - struct pcpu *pcpu; - - /* Wait until target cpu is down */ - pcpu = pcpu_devices + cpu; - while (!pcpu_stopped(pcpu)) - cpu_relax(); - pcpu_free_lowcore(pcpu); - atomic_dec(&init_mm.context.attach_count); -} - -void __noreturn cpu_die(void) -{ - idle_task_exit(); - pcpu_sigp_retry(pcpu_devices + smp_processor_id(), sigp_stop, 0); - for (;;) ; -} - -#endif /* CONFIG_HOTPLUG_CPU */ - -static void smp_call_os_info_init_fn(void) -{ - int (*init_fn)(void); - unsigned long size; - - init_fn = os_info_old_entry(OS_INFO_INIT_FN, &size); - if (!init_fn) - return; - init_fn(); -} - -void __init smp_prepare_cpus(unsigned int max_cpus) -{ - /* request the 0x1201 emergency signal external interrupt */ - if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0) - panic("Couldn't request external interrupt 0x1201"); - /* request the 0x1202 external call external interrupt */ - if (register_external_interrupt(0x1202, do_ext_call_interrupt) != 0) - panic("Couldn't request external interrupt 0x1202"); - smp_call_os_info_init_fn(); - smp_detect_cpus(); -} - -void __init smp_prepare_boot_cpu(void) -{ - struct pcpu *pcpu = pcpu_devices; - - boot_cpu_address = stap(); - pcpu->idle = current; - pcpu->state = CPU_STATE_CONFIGURED; - pcpu->address = boot_cpu_address; - pcpu->lowcore = (struct _lowcore *)(unsigned long) store_prefix(); - pcpu->async_stack = S390_lowcore.async_stack - ASYNC_SIZE; - pcpu->panic_stack = S390_lowcore.panic_stack - PAGE_SIZE; - S390_lowcore.percpu_offset = __per_cpu_offset[0]; - cpu_set_polarization(0, POLARIZATION_UNKNOWN); - set_cpu_present(0, true); - set_cpu_online(0, true); -} - -void __init smp_cpus_done(unsigned int max_cpus) -{ -} - -void __init smp_setup_processor_id(void) -{ - S390_lowcore.cpu_nr = 0; -} - -/* - * the frequency of the profiling timer can be changed - * by writing a multiplier value into /proc/profile. - * - * usually you want to run this on all CPUs ;) - */ -int setup_profiling_timer(unsigned int multiplier) -{ - return 0; -} - -#ifdef CONFIG_HOTPLUG_CPU -static ssize_t cpu_configure_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - ssize_t count; - - mutex_lock(&smp_cpu_state_mutex); - count = sprintf(buf, "%d\n", pcpu_devices[dev->id].state); - mutex_unlock(&smp_cpu_state_mutex); - return count; -} - -static ssize_t cpu_configure_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pcpu *pcpu; - int cpu, val, rc; - char delim; - - if (sscanf(buf, "%d %c", &val, &delim) != 1) - return -EINVAL; - if (val != 0 && val != 1) - return -EINVAL; - get_online_cpus(); - mutex_lock(&smp_cpu_state_mutex); - rc = -EBUSY; - /* disallow configuration changes of online cpus and cpu 0 */ - cpu = dev->id; - if (cpu_online(cpu) || cpu == 0) - goto out; - pcpu = pcpu_devices + cpu; - rc = 0; - switch (val) { - case 0: - if (pcpu->state != CPU_STATE_CONFIGURED) - break; - rc = sclp_cpu_deconfigure(pcpu->address); - if (rc) - break; - pcpu->state = CPU_STATE_STANDBY; - cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); - topology_expect_change(); - break; - case 1: - if (pcpu->state != CPU_STATE_STANDBY) - break; - rc = sclp_cpu_configure(pcpu->address); - if (rc) - break; - pcpu->state = CPU_STATE_CONFIGURED; - cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); - topology_expect_change(); - break; - default: - break; - } -out: - mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); - return rc ? rc : count; -} -static DEVICE_ATTR(configure, 0644, cpu_configure_show, cpu_configure_store); -#endif /* CONFIG_HOTPLUG_CPU */ - -static ssize_t show_cpu_address(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", pcpu_devices[dev->id].address); -} -static DEVICE_ATTR(address, 0444, show_cpu_address, NULL); - -static struct attribute *cpu_common_attrs[] = { -#ifdef CONFIG_HOTPLUG_CPU - &dev_attr_configure.attr, -#endif - &dev_attr_address.attr, - NULL, -}; - -static struct attribute_group cpu_common_attr_group = { - .attrs = cpu_common_attrs, -}; - -static ssize_t show_capability(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int capability; - int rc; - - rc = get_cpu_capability(&capability); - if (rc) - return rc; - return sprintf(buf, "%u\n", capability); -} -static DEVICE_ATTR(capability, 0444, show_capability, NULL); - -static ssize_t show_idle_count(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id); - unsigned long long idle_count; - unsigned int sequence; - - do { - sequence = ACCESS_ONCE(idle->sequence); - idle_count = ACCESS_ONCE(idle->idle_count); - if (ACCESS_ONCE(idle->idle_enter)) - idle_count++; - } while ((sequence & 1) || (idle->sequence != sequence)); - return sprintf(buf, "%llu\n", idle_count); -} -static DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL); - -static ssize_t show_idle_time(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id); - unsigned long long now, idle_time, idle_enter, idle_exit; - unsigned int sequence; - - do { - now = get_clock(); - sequence = ACCESS_ONCE(idle->sequence); - idle_time = ACCESS_ONCE(idle->idle_time); - idle_enter = ACCESS_ONCE(idle->idle_enter); - idle_exit = ACCESS_ONCE(idle->idle_exit); - } while ((sequence & 1) || (idle->sequence != sequence)); - idle_time += idle_enter ? ((idle_exit ? : now) - idle_enter) : 0; - return sprintf(buf, "%llu\n", idle_time >> 12); -} -static DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL); - -static struct attribute *cpu_online_attrs[] = { - &dev_attr_capability.attr, - &dev_attr_idle_count.attr, - &dev_attr_idle_time_us.attr, - NULL, -}; - -static struct attribute_group cpu_online_attr_group = { - .attrs = cpu_online_attrs, -}; - -static int __cpuinit smp_cpu_notify(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - unsigned int cpu = (unsigned int)(long)hcpu; - struct cpu *c = &pcpu_devices[cpu].cpu; - struct device *s = &c->dev; - struct s390_idle_data *idle; - int err = 0; - - switch (action) { - case CPU_ONLINE: - case CPU_ONLINE_FROZEN: - idle = &per_cpu(s390_idle, cpu); - memset(idle, 0, sizeof(struct s390_idle_data)); - err = sysfs_create_group(&s->kobj, &cpu_online_attr_group); - break; - case CPU_DEAD: - case CPU_DEAD_FROZEN: - sysfs_remove_group(&s->kobj, &cpu_online_attr_group); - break; - } - return notifier_from_errno(err); -} - -static struct notifier_block __cpuinitdata smp_cpu_nb = { - .notifier_call = smp_cpu_notify, -}; - -static int __devinit smp_add_present_cpu(int cpu) -{ - struct cpu *c = &pcpu_devices[cpu].cpu; - struct device *s = &c->dev; - int rc; - - c->hotpluggable = 1; - rc = register_cpu(c, cpu); - if (rc) - goto out; - rc = sysfs_create_group(&s->kobj, &cpu_common_attr_group); - if (rc) - goto out_cpu; - if (cpu_online(cpu)) { - rc = sysfs_create_group(&s->kobj, &cpu_online_attr_group); - if (rc) - goto out_online; - } - rc = topology_cpu_init(c); - if (rc) - goto out_topology; - return 0; - -out_topology: - if (cpu_online(cpu)) - sysfs_remove_group(&s->kobj, &cpu_online_attr_group); -out_online: - sysfs_remove_group(&s->kobj, &cpu_common_attr_group); -out_cpu: -#ifdef CONFIG_HOTPLUG_CPU - unregister_cpu(c); -#endif -out: - return rc; -} - -#ifdef CONFIG_HOTPLUG_CPU - -int __ref smp_rescan_cpus(void) -{ - struct sclp_cpu_info *info; - int nr; - - info = smp_get_cpu_info(); - if (!info) - return -ENOMEM; - get_online_cpus(); - mutex_lock(&smp_cpu_state_mutex); - nr = __smp_rescan_cpus(info, 1); - mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); - kfree(info); - if (nr) - topology_schedule_update(); - return 0; -} - -static ssize_t __ref rescan_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - int rc; - - rc = smp_rescan_cpus(); - return rc ? rc : count; -} -static DEVICE_ATTR(rescan, 0200, NULL, rescan_store); -#endif /* CONFIG_HOTPLUG_CPU */ - -static int __init s390_smp_init(void) -{ - int cpu, rc; - - register_cpu_notifier(&smp_cpu_nb); -#ifdef CONFIG_HOTPLUG_CPU - rc = device_create_file(cpu_subsys.dev_root, &dev_attr_rescan); - if (rc) - return rc; -#endif - for_each_present_cpu(cpu) { - rc = smp_add_present_cpu(cpu); - if (rc) - return rc; - } - return 0; -} -subsys_initcall(s390_smp_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/stacktrace.c b/ANDROID_3.4.5/arch/s390/kernel/stacktrace.c deleted file mode 100644 index 8841919e..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/stacktrace.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * arch/s390/kernel/stacktrace.c - * - * Stack trace management functions - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#include <linux/sched.h> -#include <linux/stacktrace.h> -#include <linux/kallsyms.h> -#include <linux/module.h> - -static unsigned long save_context_stack(struct stack_trace *trace, - unsigned long sp, - unsigned long low, - unsigned long high, - int savesched) -{ - struct stack_frame *sf; - struct pt_regs *regs; - unsigned long addr; - - while(1) { - sp &= PSW_ADDR_INSN; - if (sp < low || sp > high) - return sp; - sf = (struct stack_frame *)sp; - while(1) { - addr = sf->gprs[8] & PSW_ADDR_INSN; - if (!trace->skip) - trace->entries[trace->nr_entries++] = addr; - else - trace->skip--; - if (trace->nr_entries >= trace->max_entries) - return sp; - low = sp; - sp = sf->back_chain & PSW_ADDR_INSN; - if (!sp) - break; - if (sp <= low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *)sp; - } - /* Zero backchain detected, check for interrupt frame. */ - sp = (unsigned long)(sf + 1); - if (sp <= low || sp > high - sizeof(*regs)) - return sp; - regs = (struct pt_regs *)sp; - addr = regs->psw.addr & PSW_ADDR_INSN; - if (savesched || !in_sched_functions(addr)) { - if (!trace->skip) - trace->entries[trace->nr_entries++] = addr; - else - trace->skip--; - } - if (trace->nr_entries >= trace->max_entries) - return sp; - low = sp; - sp = regs->gprs[15]; - } -} - -void save_stack_trace(struct stack_trace *trace) -{ - register unsigned long sp asm ("15"); - unsigned long orig_sp, new_sp; - - orig_sp = sp & PSW_ADDR_INSN; - new_sp = save_context_stack(trace, orig_sp, - S390_lowcore.panic_stack - PAGE_SIZE, - S390_lowcore.panic_stack, 1); - if (new_sp != orig_sp) - return; - new_sp = save_context_stack(trace, new_sp, - S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack, 1); - if (new_sp != orig_sp) - return; - save_context_stack(trace, new_sp, - S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE, 1); -} -EXPORT_SYMBOL_GPL(save_stack_trace); - -void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) -{ - unsigned long sp, low, high; - - sp = tsk->thread.ksp & PSW_ADDR_INSN; - low = (unsigned long) task_stack_page(tsk); - high = (unsigned long) task_pt_regs(tsk); - save_context_stack(trace, sp, low, high, 0); - if (trace->nr_entries < trace->max_entries) - trace->entries[trace->nr_entries++] = ULONG_MAX; -} -EXPORT_SYMBOL_GPL(save_stack_trace_tsk); diff --git a/ANDROID_3.4.5/arch/s390/kernel/suspend.c b/ANDROID_3.4.5/arch/s390/kernel/suspend.c deleted file mode 100644 index aa1494d0..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/suspend.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Suspend support specific for s390. - * - * Copyright IBM Corp. 2009 - * - * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com> - */ - -#include <linux/pfn.h> -#include <linux/suspend.h> -#include <linux/mm.h> -#include <asm/ctl_reg.h> - -/* - * References to section boundaries - */ -extern const void __nosave_begin, __nosave_end; - -/* - * The restore of the saved pages in an hibernation image will set - * the change and referenced bits in the storage key for each page. - * Overindication of the referenced bits after an hibernation cycle - * does not cause any harm but the overindication of the change bits - * would cause trouble. - * Use the ARCH_SAVE_PAGE_KEYS hooks to save the storage key of each - * page to the most significant byte of the associated page frame - * number in the hibernation image. - */ - -/* - * Key storage is allocated as a linked list of pages. - * The size of the keys array is (PAGE_SIZE - sizeof(long)) - */ -struct page_key_data { - struct page_key_data *next; - unsigned char data[]; -}; - -#define PAGE_KEY_DATA_SIZE (PAGE_SIZE - sizeof(struct page_key_data *)) - -static struct page_key_data *page_key_data; -static struct page_key_data *page_key_rp, *page_key_wp; -static unsigned long page_key_rx, page_key_wx; - -/* - * For each page in the hibernation image one additional byte is - * stored in the most significant byte of the page frame number. - * On suspend no additional memory is required but on resume the - * keys need to be memorized until the page data has been restored. - * Only then can the storage keys be set to their old state. - */ -unsigned long page_key_additional_pages(unsigned long pages) -{ - return DIV_ROUND_UP(pages, PAGE_KEY_DATA_SIZE); -} - -/* - * Free page_key_data list of arrays. - */ -void page_key_free(void) -{ - struct page_key_data *pkd; - - while (page_key_data) { - pkd = page_key_data; - page_key_data = pkd->next; - free_page((unsigned long) pkd); - } -} - -/* - * Allocate page_key_data list of arrays with enough room to store - * one byte for each page in the hibernation image. - */ -int page_key_alloc(unsigned long pages) -{ - struct page_key_data *pk; - unsigned long size; - - size = DIV_ROUND_UP(pages, PAGE_KEY_DATA_SIZE); - while (size--) { - pk = (struct page_key_data *) get_zeroed_page(GFP_KERNEL); - if (!pk) { - page_key_free(); - return -ENOMEM; - } - pk->next = page_key_data; - page_key_data = pk; - } - page_key_rp = page_key_wp = page_key_data; - page_key_rx = page_key_wx = 0; - return 0; -} - -/* - * Save the storage key into the upper 8 bits of the page frame number. - */ -void page_key_read(unsigned long *pfn) -{ - unsigned long addr; - - addr = (unsigned long) page_address(pfn_to_page(*pfn)); - *(unsigned char *) pfn = (unsigned char) page_get_storage_key(addr); -} - -/* - * Extract the storage key from the upper 8 bits of the page frame number - * and store it in the page_key_data list of arrays. - */ -void page_key_memorize(unsigned long *pfn) -{ - page_key_wp->data[page_key_wx] = *(unsigned char *) pfn; - *(unsigned char *) pfn = 0; - if (++page_key_wx < PAGE_KEY_DATA_SIZE) - return; - page_key_wp = page_key_wp->next; - page_key_wx = 0; -} - -/* - * Get the next key from the page_key_data list of arrays and set the - * storage key of the page referred by @address. If @address refers to - * a "safe" page the swsusp_arch_resume code will transfer the storage - * key from the buffer page to the original page. - */ -void page_key_write(void *address) -{ - page_set_storage_key((unsigned long) address, - page_key_rp->data[page_key_rx], 0); - if (++page_key_rx >= PAGE_KEY_DATA_SIZE) - return; - page_key_rp = page_key_rp->next; - page_key_rx = 0; -} - -int pfn_is_nosave(unsigned long pfn) -{ - unsigned long nosave_begin_pfn = PFN_DOWN(__pa(&__nosave_begin)); - unsigned long nosave_end_pfn = PFN_DOWN(__pa(&__nosave_end)); - - /* Always save lowcore pages (LC protection might be enabled). */ - if (pfn <= LC_PAGES) - return 0; - if (pfn >= nosave_begin_pfn && pfn < nosave_end_pfn) - return 1; - /* Skip memory holes and read-only pages (NSS, DCSS, ...). */ - if (tprot(PFN_PHYS(pfn))) - return 1; - return 0; -} - -void save_processor_state(void) -{ - /* swsusp_arch_suspend() actually saves all cpu register contents. - * Machine checks must be disabled since swsusp_arch_suspend() stores - * register contents to their lowcore save areas. That's the same - * place where register contents on machine checks would be saved. - * To avoid register corruption disable machine checks. - * We must also disable machine checks in the new psw mask for - * program checks, since swsusp_arch_suspend() may generate program - * checks. Disabling machine checks for all other new psw masks is - * just paranoia. - */ - local_mcck_disable(); - /* Disable lowcore protection */ - __ctl_clear_bit(0,28); - S390_lowcore.external_new_psw.mask &= ~PSW_MASK_MCHECK; - S390_lowcore.svc_new_psw.mask &= ~PSW_MASK_MCHECK; - S390_lowcore.io_new_psw.mask &= ~PSW_MASK_MCHECK; - S390_lowcore.program_new_psw.mask &= ~PSW_MASK_MCHECK; -} - -void restore_processor_state(void) -{ - S390_lowcore.external_new_psw.mask |= PSW_MASK_MCHECK; - S390_lowcore.svc_new_psw.mask |= PSW_MASK_MCHECK; - S390_lowcore.io_new_psw.mask |= PSW_MASK_MCHECK; - S390_lowcore.program_new_psw.mask |= PSW_MASK_MCHECK; - /* Enable lowcore protection */ - __ctl_set_bit(0,28); - local_mcck_enable(); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/swsusp_asm64.S b/ANDROID_3.4.5/arch/s390/kernel/swsusp_asm64.S deleted file mode 100644 index dd70ef04..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/swsusp_asm64.S +++ /dev/null @@ -1,285 +0,0 @@ -/* - * S390 64-bit swsusp implementation - * - * Copyright IBM Corp. 2009 - * - * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com> - * Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#include <linux/linkage.h> -#include <asm/page.h> -#include <asm/ptrace.h> -#include <asm/thread_info.h> -#include <asm/asm-offsets.h> - -/* - * Save register context in absolute 0 lowcore and call swsusp_save() to - * create in-memory kernel image. The context is saved in the designated - * "store status" memory locations (see POP). - * We return from this function twice. The first time during the suspend to - * disk process. The second time via the swsusp_arch_resume() function - * (see below) in the resume process. - * This function runs with disabled interrupts. - */ - .section .text -ENTRY(swsusp_arch_suspend) - stmg %r6,%r15,__SF_GPRS(%r15) - lgr %r1,%r15 - aghi %r15,-STACK_FRAME_OVERHEAD - stg %r1,__SF_BACKCHAIN(%r15) - - /* Deactivate DAT */ - stnsm __SF_EMPTY(%r15),0xfb - - /* Store prefix register on stack */ - stpx __SF_EMPTY(%r15) - - /* Save prefix register contents for lowcore */ - llgf %r4,__SF_EMPTY(%r15) - - /* Get pointer to save area */ - lghi %r1,0x1000 - - /* Save CPU address */ - stap __LC_EXT_CPU_ADDR(%r0) - - /* Store registers */ - mvc 0x318(4,%r1),__SF_EMPTY(%r15) /* move prefix to lowcore */ - stfpc 0x31c(%r1) /* store fpu control */ - std 0,0x200(%r1) /* store f0 */ - std 1,0x208(%r1) /* store f1 */ - std 2,0x210(%r1) /* store f2 */ - std 3,0x218(%r1) /* store f3 */ - std 4,0x220(%r1) /* store f4 */ - std 5,0x228(%r1) /* store f5 */ - std 6,0x230(%r1) /* store f6 */ - std 7,0x238(%r1) /* store f7 */ - std 8,0x240(%r1) /* store f8 */ - std 9,0x248(%r1) /* store f9 */ - std 10,0x250(%r1) /* store f10 */ - std 11,0x258(%r1) /* store f11 */ - std 12,0x260(%r1) /* store f12 */ - std 13,0x268(%r1) /* store f13 */ - std 14,0x270(%r1) /* store f14 */ - std 15,0x278(%r1) /* store f15 */ - stam %a0,%a15,0x340(%r1) /* store access registers */ - stctg %c0,%c15,0x380(%r1) /* store control registers */ - stmg %r0,%r15,0x280(%r1) /* store general registers */ - - stpt 0x328(%r1) /* store timer */ - stck __SF_EMPTY(%r15) /* store clock */ - stckc 0x330(%r1) /* store clock comparator */ - - /* Update cputime accounting before going to sleep */ - lg %r0,__LC_LAST_UPDATE_TIMER - slg %r0,0x328(%r1) - alg %r0,__LC_SYSTEM_TIMER - stg %r0,__LC_SYSTEM_TIMER - mvc __LC_LAST_UPDATE_TIMER(8),0x328(%r1) - lg %r0,__LC_LAST_UPDATE_CLOCK - slg %r0,__SF_EMPTY(%r15) - alg %r0,__LC_STEAL_TIMER - stg %r0,__LC_STEAL_TIMER - mvc __LC_LAST_UPDATE_CLOCK(8),__SF_EMPTY(%r15) - - /* Activate DAT */ - stosm __SF_EMPTY(%r15),0x04 - - /* Set prefix page to zero */ - xc __SF_EMPTY(4,%r15),__SF_EMPTY(%r15) - spx __SF_EMPTY(%r15) - - lghi %r2,0 - lghi %r3,2*PAGE_SIZE - lghi %r5,2*PAGE_SIZE -1: mvcle %r2,%r4,0 - jo 1b - - /* Save image */ - brasl %r14,swsusp_save - - /* Restore prefix register and return */ - lghi %r1,0x1000 - spx 0x318(%r1) - lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15) - lghi %r2,0 - br %r14 - -/* - * Restore saved memory image to correct place and restore register context. - * Then we return to the function that called swsusp_arch_suspend(). - * swsusp_arch_resume() runs with disabled interrupts. - */ -ENTRY(swsusp_arch_resume) - stmg %r6,%r15,__SF_GPRS(%r15) - lgr %r1,%r15 - aghi %r15,-STACK_FRAME_OVERHEAD - stg %r1,__SF_BACKCHAIN(%r15) - - /* Make all free pages stable */ - lghi %r2,1 - brasl %r14,arch_set_page_states - - /* Deactivate DAT */ - stnsm __SF_EMPTY(%r15),0xfb - - /* Set prefix page to zero */ - xc __SF_EMPTY(4,%r15),__SF_EMPTY(%r15) - spx __SF_EMPTY(%r15) - - /* Restore saved image */ - larl %r1,restore_pblist - lg %r1,0(%r1) - ltgr %r1,%r1 - jz 2f -0: - lg %r2,8(%r1) - lg %r4,0(%r1) - iske %r0,%r4 - lghi %r3,PAGE_SIZE - lghi %r5,PAGE_SIZE -1: - mvcle %r2,%r4,0 - jo 1b - lg %r2,8(%r1) - sske %r0,%r2 - lg %r1,16(%r1) - ltgr %r1,%r1 - jnz 0b -2: - ptlb /* flush tlb */ - - /* Reset System */ - larl %r1,restart_entry - larl %r2,.Lrestart_diag308_psw - og %r1,0(%r2) - stg %r1,0(%r0) - larl %r1,.Lnew_pgm_check_psw - epsw %r2,%r3 - stm %r2,%r3,0(%r1) - mvc __LC_PGM_NEW_PSW(16,%r0),0(%r1) - lghi %r0,0 - diag %r0,%r0,0x308 -restart_entry: - lhi %r1,1 - sigp %r1,%r0,0x12 - sam64 - larl %r1,.Lnew_pgm_check_psw - lpswe 0(%r1) -pgm_check_entry: - - /* Switch to original suspend CPU */ - larl %r1,.Lresume_cpu /* Resume CPU address: r2 */ - stap 0(%r1) - llgh %r2,0(%r1) - llgh %r1,__LC_EXT_CPU_ADDR(%r0) /* Suspend CPU address: r1 */ - cgr %r1,%r2 - je restore_registers /* r1 = r2 -> nothing to do */ - larl %r4,.Lrestart_suspend_psw /* Set new restart PSW */ - mvc __LC_RST_NEW_PSW(16,%r0),0(%r4) -3: - sigp %r9,%r1,11 /* sigp initial cpu reset */ - brc 8,4f /* accepted */ - brc 2,3b /* busy, try again */ - - /* Suspend CPU not available -> panic */ - larl %r15,init_thread_union - ahi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) - larl %r2,.Lpanic_string - larl %r3,_sclp_print_early - lghi %r1,0 - sam31 - sigp %r1,%r0,0x12 - basr %r14,%r3 - larl %r3,.Ldisabled_wait_31 - lpsw 0(%r3) -4: - /* Switch to suspend CPU */ - sigp %r9,%r1,6 /* sigp restart to suspend CPU */ - brc 2,4b /* busy, try again */ -5: - sigp %r9,%r2,5 /* sigp stop to current resume CPU */ - brc 2,5b /* busy, try again */ -6: j 6b - -restart_suspend: - larl %r1,.Lresume_cpu - llgh %r2,0(%r1) -7: - sigp %r9,%r2,1 /* sigp sense, wait for resume CPU */ - brc 8,7b /* accepted, status 0, still running */ - brc 2,7b /* busy, try again */ - tmll %r9,0x40 /* Test if resume CPU is stopped */ - jz 7b - -restore_registers: - /* Restore registers */ - lghi %r13,0x1000 /* %r1 = pointer to save area */ - - /* Ignore time spent in suspended state. */ - llgf %r1,0x318(%r13) - stck __LC_LAST_UPDATE_CLOCK(%r1) - spt 0x328(%r13) /* reprogram timer */ - //sckc 0x330(%r13) /* set clock comparator */ - - lctlg %c0,%c15,0x380(%r13) /* load control registers */ - lam %a0,%a15,0x340(%r13) /* load access registers */ - - lfpc 0x31c(%r13) /* load fpu control */ - ld 0,0x200(%r13) /* load f0 */ - ld 1,0x208(%r13) /* load f1 */ - ld 2,0x210(%r13) /* load f2 */ - ld 3,0x218(%r13) /* load f3 */ - ld 4,0x220(%r13) /* load f4 */ - ld 5,0x228(%r13) /* load f5 */ - ld 6,0x230(%r13) /* load f6 */ - ld 7,0x238(%r13) /* load f7 */ - ld 8,0x240(%r13) /* load f8 */ - ld 9,0x248(%r13) /* load f9 */ - ld 10,0x250(%r13) /* load f10 */ - ld 11,0x258(%r13) /* load f11 */ - ld 12,0x260(%r13) /* load f12 */ - ld 13,0x268(%r13) /* load f13 */ - ld 14,0x270(%r13) /* load f14 */ - ld 15,0x278(%r13) /* load f15 */ - - /* Load old stack */ - lg %r15,0x2f8(%r13) - - /* Restore prefix register */ - spx 0x318(%r13) - - /* Activate DAT */ - stosm __SF_EMPTY(%r15),0x04 - - /* Make all free pages unstable */ - lghi %r2,0 - brasl %r14,arch_set_page_states - - /* Log potential guest relocation */ - brasl %r14,lgr_info_log - - /* Reinitialize the channel subsystem */ - brasl %r14,channel_subsystem_reinit - - /* Return 0 */ - lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15) - lghi %r2,0 - br %r14 - - .section .data..nosave,"aw",@progbits - .align 8 -.Ldisabled_wait_31: - .long 0x000a0000,0x00000000 -.Lpanic_string: - .asciz "Resume not possible because suspend CPU is no longer available" - .align 8 -.Lrestart_diag308_psw: - .long 0x00080000,0x80000000 -.Lrestart_suspend_psw: - .quad 0x0000000180000000,restart_suspend -.Lnew_pgm_check_psw: - .quad 0,pgm_check_entry -.Lresume_cpu: - .byte 0,0 diff --git a/ANDROID_3.4.5/arch/s390/kernel/sys_s390.c b/ANDROID_3.4.5/arch/s390/kernel/sys_s390.c deleted file mode 100644 index 78ea1948..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/sys_s390.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * arch/s390/kernel/sys_s390.c - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Thomas Spatzier (tspat@de.ibm.com) - * - * Derived from "arch/i386/kernel/sys_i386.c" - * - * This file contains various random system calls that - * have a non-standard calling sequence on the Linux/s390 - * platform. - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/fs.h> -#include <linux/smp.h> -#include <linux/sem.h> -#include <linux/msg.h> -#include <linux/shm.h> -#include <linux/stat.h> -#include <linux/syscalls.h> -#include <linux/mman.h> -#include <linux/file.h> -#include <linux/utsname.h> -#include <linux/personality.h> -#include <linux/unistd.h> -#include <linux/ipc.h> -#include <asm/uaccess.h> -#include "entry.h" - -/* - * Perform the mmap() system call. Linux for S/390 isn't able to handle more - * than 5 system call parameters, so this system call uses a memory block - * for parameter passing. - */ - -struct s390_mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg) -{ - struct s390_mmap_arg_struct a; - int error = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); -out: - return error; -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls. - */ -SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second, - unsigned long, third, void __user *, ptr) -{ - if (call >> 16) - return -EINVAL; - /* The s390 sys_ipc variant has only five parameters instead of six - * like the generic variant. The only difference is the handling of - * the SEMTIMEDOP subcall where on s390 the third parameter is used - * as a pointer to a struct timespec where the generic variant uses - * the fifth parameter. - * Therefore we can call the generic variant by simply passing the - * third parameter also as fifth parameter. - */ - return sys_ipc(call, first, second, third, ptr, third); -} - -#ifdef CONFIG_64BIT -SYSCALL_DEFINE1(s390_personality, unsigned int, personality) -{ - unsigned int ret; - - if (current->personality == PER_LINUX32 && personality == PER_LINUX) - personality = PER_LINUX32; - ret = sys_personality(personality); - if (ret == PER_LINUX32) - ret = PER_LINUX; - - return ret; -} -#endif /* CONFIG_64BIT */ - -/* - * Wrapper function for sys_fadvise64/fadvise64_64 - */ -#ifndef CONFIG_64BIT - -SYSCALL_DEFINE5(s390_fadvise64, int, fd, u32, offset_high, u32, offset_low, - size_t, len, int, advice) -{ - return sys_fadvise64(fd, (u64) offset_high << 32 | offset_low, - len, advice); -} - -struct fadvise64_64_args { - int fd; - long long offset; - long long len; - int advice; -}; - -SYSCALL_DEFINE1(s390_fadvise64_64, struct fadvise64_64_args __user *, args) -{ - struct fadvise64_64_args a; - - if ( copy_from_user(&a, args, sizeof(a)) ) - return -EFAULT; - return sys_fadvise64_64(a.fd, a.offset, a.len, a.advice); -} - -/* - * This is a wrapper to call sys_fallocate(). For 31 bit s390 the last - * 64 bit argument "len" is split into the upper and lower 32 bits. The - * system call wrapper in the user space loads the value to %r6/%r7. - * The code in entry.S keeps the values in %r2 - %r6 where they are and - * stores %r7 to 96(%r15). But the standard C linkage requires that - * the whole 64 bit value for len is stored on the stack and doesn't - * use %r6 at all. So s390_fallocate has to convert the arguments from - * %r2: fd, %r3: mode, %r4/%r5: offset, %r6/96(%r15)-99(%r15): len - * to - * %r2: fd, %r3: mode, %r4/%r5: offset, 96(%r15)-103(%r15): len - */ -SYSCALL_DEFINE(s390_fallocate)(int fd, int mode, loff_t offset, - u32 len_high, u32 len_low) -{ - return sys_fallocate(fd, mode, offset, ((u64)len_high << 32) | len_low); -} -#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS -asmlinkage long SyS_s390_fallocate(long fd, long mode, loff_t offset, - long len_high, long len_low) -{ - return SYSC_s390_fallocate((int) fd, (int) mode, offset, - (u32) len_high, (u32) len_low); -} -SYSCALL_ALIAS(sys_s390_fallocate, SyS_s390_fallocate); -#endif - -#endif diff --git a/ANDROID_3.4.5/arch/s390/kernel/syscalls.S b/ANDROID_3.4.5/arch/s390/kernel/syscalls.S deleted file mode 100644 index bcab2f04..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/syscalls.S +++ /dev/null @@ -1,352 +0,0 @@ -/* - * definitions for sys_call_table, each line represents an - * entry in the table in the form - * SYSCALL(31 bit syscall, 64 bit syscall, 31 bit emulated syscall) - * - * this file is meant to be included from entry.S and entry64.S - */ - -#define NI_SYSCALL SYSCALL(sys_ni_syscall,sys_ni_syscall,sys_ni_syscall) - -NI_SYSCALL /* 0 */ -SYSCALL(sys_exit,sys_exit,sys32_exit_wrapper) -SYSCALL(sys_fork,sys_fork,sys_fork) -SYSCALL(sys_read,sys_read,sys32_read_wrapper) -SYSCALL(sys_write,sys_write,sys32_write_wrapper) -SYSCALL(sys_open,sys_open,sys32_open_wrapper) /* 5 */ -SYSCALL(sys_close,sys_close,sys32_close_wrapper) -SYSCALL(sys_restart_syscall,sys_restart_syscall,sys_restart_syscall) -SYSCALL(sys_creat,sys_creat,sys32_creat_wrapper) -SYSCALL(sys_link,sys_link,sys32_link_wrapper) -SYSCALL(sys_unlink,sys_unlink,sys32_unlink_wrapper) /* 10 */ -SYSCALL(sys_execve,sys_execve,sys32_execve_wrapper) -SYSCALL(sys_chdir,sys_chdir,sys32_chdir_wrapper) -SYSCALL(sys_time,sys_ni_syscall,sys32_time_wrapper) /* old time syscall */ -SYSCALL(sys_mknod,sys_mknod,sys32_mknod_wrapper) -SYSCALL(sys_chmod,sys_chmod,sys32_chmod_wrapper) /* 15 */ -SYSCALL(sys_lchown16,sys_ni_syscall,sys32_lchown16_wrapper) /* old lchown16 syscall*/ -NI_SYSCALL /* old break syscall holder */ -NI_SYSCALL /* old stat syscall holder */ -SYSCALL(sys_lseek,sys_lseek,sys32_lseek_wrapper) -SYSCALL(sys_getpid,sys_getpid,sys_getpid) /* 20 */ -SYSCALL(sys_mount,sys_mount,sys32_mount_wrapper) -SYSCALL(sys_oldumount,sys_oldumount,sys32_oldumount_wrapper) -SYSCALL(sys_setuid16,sys_ni_syscall,sys32_setuid16_wrapper) /* old setuid16 syscall*/ -SYSCALL(sys_getuid16,sys_ni_syscall,sys32_getuid16) /* old getuid16 syscall*/ -SYSCALL(sys_stime,sys_ni_syscall,sys32_stime_wrapper) /* 25 old stime syscall */ -SYSCALL(sys_ptrace,sys_ptrace,sys32_ptrace_wrapper) -SYSCALL(sys_alarm,sys_alarm,sys32_alarm_wrapper) -NI_SYSCALL /* old fstat syscall */ -SYSCALL(sys_pause,sys_pause,sys_pause) -SYSCALL(sys_utime,sys_utime,compat_sys_utime_wrapper) /* 30 */ -NI_SYSCALL /* old stty syscall */ -NI_SYSCALL /* old gtty syscall */ -SYSCALL(sys_access,sys_access,sys32_access_wrapper) -SYSCALL(sys_nice,sys_nice,sys32_nice_wrapper) -NI_SYSCALL /* 35 old ftime syscall */ -SYSCALL(sys_sync,sys_sync,sys_sync) -SYSCALL(sys_kill,sys_kill,sys32_kill_wrapper) -SYSCALL(sys_rename,sys_rename,sys32_rename_wrapper) -SYSCALL(sys_mkdir,sys_mkdir,sys32_mkdir_wrapper) -SYSCALL(sys_rmdir,sys_rmdir,sys32_rmdir_wrapper) /* 40 */ -SYSCALL(sys_dup,sys_dup,sys32_dup_wrapper) -SYSCALL(sys_pipe,sys_pipe,sys32_pipe_wrapper) -SYSCALL(sys_times,sys_times,compat_sys_times_wrapper) -NI_SYSCALL /* old prof syscall */ -SYSCALL(sys_brk,sys_brk,sys32_brk_wrapper) /* 45 */ -SYSCALL(sys_setgid16,sys_ni_syscall,sys32_setgid16_wrapper) /* old setgid16 syscall*/ -SYSCALL(sys_getgid16,sys_ni_syscall,sys32_getgid16) /* old getgid16 syscall*/ -SYSCALL(sys_signal,sys_signal,sys32_signal_wrapper) -SYSCALL(sys_geteuid16,sys_ni_syscall,sys32_geteuid16) /* old geteuid16 syscall */ -SYSCALL(sys_getegid16,sys_ni_syscall,sys32_getegid16) /* 50 old getegid16 syscall */ -SYSCALL(sys_acct,sys_acct,sys32_acct_wrapper) -SYSCALL(sys_umount,sys_umount,sys32_umount_wrapper) -NI_SYSCALL /* old lock syscall */ -SYSCALL(sys_ioctl,sys_ioctl,compat_sys_ioctl_wrapper) -SYSCALL(sys_fcntl,sys_fcntl,compat_sys_fcntl_wrapper) /* 55 */ -NI_SYSCALL /* intel mpx syscall */ -SYSCALL(sys_setpgid,sys_setpgid,sys32_setpgid_wrapper) -NI_SYSCALL /* old ulimit syscall */ -NI_SYSCALL /* old uname syscall */ -SYSCALL(sys_umask,sys_umask,sys32_umask_wrapper) /* 60 */ -SYSCALL(sys_chroot,sys_chroot,sys32_chroot_wrapper) -SYSCALL(sys_ustat,sys_ustat,sys32_ustat_wrapper) -SYSCALL(sys_dup2,sys_dup2,sys32_dup2_wrapper) -SYSCALL(sys_getppid,sys_getppid,sys_getppid) -SYSCALL(sys_getpgrp,sys_getpgrp,sys_getpgrp) /* 65 */ -SYSCALL(sys_setsid,sys_setsid,sys_setsid) -SYSCALL(sys_sigaction,sys_sigaction,sys32_sigaction_wrapper) -NI_SYSCALL /* old sgetmask syscall*/ -NI_SYSCALL /* old ssetmask syscall*/ -SYSCALL(sys_setreuid16,sys_ni_syscall,sys32_setreuid16_wrapper) /* old setreuid16 syscall */ -SYSCALL(sys_setregid16,sys_ni_syscall,sys32_setregid16_wrapper) /* old setregid16 syscall */ -SYSCALL(sys_sigsuspend,sys_sigsuspend,sys_sigsuspend_wrapper) -SYSCALL(sys_sigpending,sys_sigpending,compat_sys_sigpending_wrapper) -SYSCALL(sys_sethostname,sys_sethostname,sys32_sethostname_wrapper) -SYSCALL(sys_setrlimit,sys_setrlimit,compat_sys_setrlimit_wrapper) /* 75 */ -SYSCALL(sys_old_getrlimit,sys_getrlimit,compat_sys_old_getrlimit_wrapper) -SYSCALL(sys_getrusage,sys_getrusage,compat_sys_getrusage_wrapper) -SYSCALL(sys_gettimeofday,sys_gettimeofday,compat_sys_gettimeofday_wrapper) -SYSCALL(sys_settimeofday,sys_settimeofday,compat_sys_settimeofday_wrapper) -SYSCALL(sys_getgroups16,sys_ni_syscall,sys32_getgroups16_wrapper) /* 80 old getgroups16 syscall */ -SYSCALL(sys_setgroups16,sys_ni_syscall,sys32_setgroups16_wrapper) /* old setgroups16 syscall */ -NI_SYSCALL /* old select syscall */ -SYSCALL(sys_symlink,sys_symlink,sys32_symlink_wrapper) -NI_SYSCALL /* old lstat syscall */ -SYSCALL(sys_readlink,sys_readlink,sys32_readlink_wrapper) /* 85 */ -SYSCALL(sys_uselib,sys_uselib,sys32_uselib_wrapper) -SYSCALL(sys_swapon,sys_swapon,sys32_swapon_wrapper) -SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper) -SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper) /* old readdir syscall */ -SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper) /* 90 */ -SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper) -SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper) -SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper) -SYSCALL(sys_fchmod,sys_fchmod,sys32_fchmod_wrapper) -SYSCALL(sys_fchown16,sys_ni_syscall,sys32_fchown16_wrapper) /* 95 old fchown16 syscall*/ -SYSCALL(sys_getpriority,sys_getpriority,sys32_getpriority_wrapper) -SYSCALL(sys_setpriority,sys_setpriority,sys32_setpriority_wrapper) -NI_SYSCALL /* old profil syscall */ -SYSCALL(sys_statfs,sys_statfs,compat_sys_statfs_wrapper) -SYSCALL(sys_fstatfs,sys_fstatfs,compat_sys_fstatfs_wrapper) /* 100 */ -NI_SYSCALL /* ioperm for i386 */ -SYSCALL(sys_socketcall,sys_socketcall,compat_sys_socketcall_wrapper) -SYSCALL(sys_syslog,sys_syslog,sys32_syslog_wrapper) -SYSCALL(sys_setitimer,sys_setitimer,compat_sys_setitimer_wrapper) -SYSCALL(sys_getitimer,sys_getitimer,compat_sys_getitimer_wrapper) /* 105 */ -SYSCALL(sys_newstat,sys_newstat,compat_sys_newstat_wrapper) -SYSCALL(sys_newlstat,sys_newlstat,compat_sys_newlstat_wrapper) -SYSCALL(sys_newfstat,sys_newfstat,compat_sys_newfstat_wrapper) -NI_SYSCALL /* old uname syscall */ -SYSCALL(sys_lookup_dcookie,sys_lookup_dcookie,sys32_lookup_dcookie_wrapper) /* 110 */ -SYSCALL(sys_vhangup,sys_vhangup,sys_vhangup) -NI_SYSCALL /* old "idle" system call */ -NI_SYSCALL /* vm86old for i386 */ -SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4_wrapper) -SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper) /* 115 */ -SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper) -SYSCALL(sys_s390_ipc,sys_s390_ipc,sys32_ipc_wrapper) -SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper) -SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn) -SYSCALL(sys_clone,sys_clone,sys_clone_wrapper) /* 120 */ -SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper) -SYSCALL(sys_newuname,sys_newuname,sys32_newuname_wrapper) -NI_SYSCALL /* modify_ldt for i386 */ -SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper) -SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper) /* 125 */ -SYSCALL(sys_sigprocmask,sys_sigprocmask,compat_sys_sigprocmask_wrapper) -NI_SYSCALL /* old "create module" */ -SYSCALL(sys_init_module,sys_init_module,sys_init_module_wrapper) -SYSCALL(sys_delete_module,sys_delete_module,sys_delete_module_wrapper) -NI_SYSCALL /* 130: old get_kernel_syms */ -SYSCALL(sys_quotactl,sys_quotactl,sys32_quotactl_wrapper) -SYSCALL(sys_getpgid,sys_getpgid,sys32_getpgid_wrapper) -SYSCALL(sys_fchdir,sys_fchdir,sys32_fchdir_wrapper) -SYSCALL(sys_bdflush,sys_bdflush,sys32_bdflush_wrapper) -SYSCALL(sys_sysfs,sys_sysfs,sys32_sysfs_wrapper) /* 135 */ -SYSCALL(sys_personality,sys_s390_personality,sys32_personality_wrapper) -NI_SYSCALL /* for afs_syscall */ -SYSCALL(sys_setfsuid16,sys_ni_syscall,sys32_setfsuid16_wrapper) /* old setfsuid16 syscall */ -SYSCALL(sys_setfsgid16,sys_ni_syscall,sys32_setfsgid16_wrapper) /* old setfsgid16 syscall */ -SYSCALL(sys_llseek,sys_llseek,sys32_llseek_wrapper) /* 140 */ -SYSCALL(sys_getdents,sys_getdents,sys32_getdents_wrapper) -SYSCALL(sys_select,sys_select,compat_sys_select_wrapper) -SYSCALL(sys_flock,sys_flock,sys32_flock_wrapper) -SYSCALL(sys_msync,sys_msync,sys32_msync_wrapper) -SYSCALL(sys_readv,sys_readv,compat_sys_readv_wrapper) /* 145 */ -SYSCALL(sys_writev,sys_writev,compat_sys_writev_wrapper) -SYSCALL(sys_getsid,sys_getsid,sys32_getsid_wrapper) -SYSCALL(sys_fdatasync,sys_fdatasync,sys32_fdatasync_wrapper) -SYSCALL(sys_sysctl,sys_sysctl,sys32_sysctl_wrapper) -SYSCALL(sys_mlock,sys_mlock,sys32_mlock_wrapper) /* 150 */ -SYSCALL(sys_munlock,sys_munlock,sys32_munlock_wrapper) -SYSCALL(sys_mlockall,sys_mlockall,sys32_mlockall_wrapper) -SYSCALL(sys_munlockall,sys_munlockall,sys_munlockall) -SYSCALL(sys_sched_setparam,sys_sched_setparam,sys32_sched_setparam_wrapper) -SYSCALL(sys_sched_getparam,sys_sched_getparam,sys32_sched_getparam_wrapper) /* 155 */ -SYSCALL(sys_sched_setscheduler,sys_sched_setscheduler,sys32_sched_setscheduler_wrapper) -SYSCALL(sys_sched_getscheduler,sys_sched_getscheduler,sys32_sched_getscheduler_wrapper) -SYSCALL(sys_sched_yield,sys_sched_yield,sys_sched_yield) -SYSCALL(sys_sched_get_priority_max,sys_sched_get_priority_max,sys32_sched_get_priority_max_wrapper) -SYSCALL(sys_sched_get_priority_min,sys_sched_get_priority_min,sys32_sched_get_priority_min_wrapper) /* 160 */ -SYSCALL(sys_sched_rr_get_interval,sys_sched_rr_get_interval,sys32_sched_rr_get_interval_wrapper) -SYSCALL(sys_nanosleep,sys_nanosleep,compat_sys_nanosleep_wrapper) -SYSCALL(sys_mremap,sys_mremap,sys32_mremap_wrapper) -SYSCALL(sys_setresuid16,sys_ni_syscall,sys32_setresuid16_wrapper) /* old setresuid16 syscall */ -SYSCALL(sys_getresuid16,sys_ni_syscall,sys32_getresuid16_wrapper) /* 165 old getresuid16 syscall */ -NI_SYSCALL /* for vm86 */ -NI_SYSCALL /* old sys_query_module */ -SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper) -NI_SYSCALL /* old nfsservctl */ -SYSCALL(sys_setresgid16,sys_ni_syscall,sys32_setresgid16_wrapper) /* 170 old setresgid16 syscall */ -SYSCALL(sys_getresgid16,sys_ni_syscall,sys32_getresgid16_wrapper) /* old getresgid16 syscall */ -SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper) -SYSCALL(sys_rt_sigreturn,sys_rt_sigreturn,sys32_rt_sigreturn) -SYSCALL(sys_rt_sigaction,sys_rt_sigaction,sys32_rt_sigaction_wrapper) -SYSCALL(sys_rt_sigprocmask,sys_rt_sigprocmask,sys32_rt_sigprocmask_wrapper) /* 175 */ -SYSCALL(sys_rt_sigpending,sys_rt_sigpending,sys32_rt_sigpending_wrapper) -SYSCALL(sys_rt_sigtimedwait,sys_rt_sigtimedwait,compat_sys_rt_sigtimedwait_wrapper) -SYSCALL(sys_rt_sigqueueinfo,sys_rt_sigqueueinfo,sys32_rt_sigqueueinfo_wrapper) -SYSCALL(sys_rt_sigsuspend,sys_rt_sigsuspend,compat_sys_rt_sigsuspend_wrapper) -SYSCALL(sys_pread64,sys_pread64,sys32_pread64_wrapper) /* 180 */ -SYSCALL(sys_pwrite64,sys_pwrite64,sys32_pwrite64_wrapper) -SYSCALL(sys_chown16,sys_ni_syscall,sys32_chown16_wrapper) /* old chown16 syscall */ -SYSCALL(sys_getcwd,sys_getcwd,sys32_getcwd_wrapper) -SYSCALL(sys_capget,sys_capget,sys32_capget_wrapper) -SYSCALL(sys_capset,sys_capset,sys32_capset_wrapper) /* 185 */ -SYSCALL(sys_sigaltstack,sys_sigaltstack,sys32_sigaltstack_wrapper) -SYSCALL(sys_sendfile,sys_sendfile64,sys32_sendfile_wrapper) -NI_SYSCALL /* streams1 */ -NI_SYSCALL /* streams2 */ -SYSCALL(sys_vfork,sys_vfork,sys_vfork) /* 190 */ -SYSCALL(sys_getrlimit,sys_getrlimit,compat_sys_getrlimit_wrapper) -SYSCALL(sys_mmap2,sys_mmap2,sys32_mmap2_wrapper) -SYSCALL(sys_truncate64,sys_ni_syscall,sys32_truncate64_wrapper) -SYSCALL(sys_ftruncate64,sys_ni_syscall,sys32_ftruncate64_wrapper) -SYSCALL(sys_stat64,sys_ni_syscall,sys32_stat64_wrapper) /* 195 */ -SYSCALL(sys_lstat64,sys_ni_syscall,sys32_lstat64_wrapper) -SYSCALL(sys_fstat64,sys_ni_syscall,sys32_fstat64_wrapper) -SYSCALL(sys_lchown,sys_lchown,sys32_lchown_wrapper) -SYSCALL(sys_getuid,sys_getuid,sys_getuid) -SYSCALL(sys_getgid,sys_getgid,sys_getgid) /* 200 */ -SYSCALL(sys_geteuid,sys_geteuid,sys_geteuid) -SYSCALL(sys_getegid,sys_getegid,sys_getegid) -SYSCALL(sys_setreuid,sys_setreuid,sys32_setreuid_wrapper) -SYSCALL(sys_setregid,sys_setregid,sys32_setregid_wrapper) -SYSCALL(sys_getgroups,sys_getgroups,sys32_getgroups_wrapper) /* 205 */ -SYSCALL(sys_setgroups,sys_setgroups,sys32_setgroups_wrapper) -SYSCALL(sys_fchown,sys_fchown,sys32_fchown_wrapper) -SYSCALL(sys_setresuid,sys_setresuid,sys32_setresuid_wrapper) -SYSCALL(sys_getresuid,sys_getresuid,sys32_getresuid_wrapper) -SYSCALL(sys_setresgid,sys_setresgid,sys32_setresgid_wrapper) /* 210 */ -SYSCALL(sys_getresgid,sys_getresgid,sys32_getresgid_wrapper) -SYSCALL(sys_chown,sys_chown,sys32_chown_wrapper) -SYSCALL(sys_setuid,sys_setuid,sys32_setuid_wrapper) -SYSCALL(sys_setgid,sys_setgid,sys32_setgid_wrapper) -SYSCALL(sys_setfsuid,sys_setfsuid,sys32_setfsuid_wrapper) /* 215 */ -SYSCALL(sys_setfsgid,sys_setfsgid,sys32_setfsgid_wrapper) -SYSCALL(sys_pivot_root,sys_pivot_root,sys32_pivot_root_wrapper) -SYSCALL(sys_mincore,sys_mincore,sys32_mincore_wrapper) -SYSCALL(sys_madvise,sys_madvise,sys32_madvise_wrapper) -SYSCALL(sys_getdents64,sys_getdents64,sys32_getdents64_wrapper) /* 220 */ -SYSCALL(sys_fcntl64,sys_ni_syscall,compat_sys_fcntl64_wrapper) -SYSCALL(sys_readahead,sys_readahead,sys32_readahead_wrapper) -SYSCALL(sys_sendfile64,sys_ni_syscall,sys32_sendfile64_wrapper) -SYSCALL(sys_setxattr,sys_setxattr,sys32_setxattr_wrapper) -SYSCALL(sys_lsetxattr,sys_lsetxattr,sys32_lsetxattr_wrapper) /* 225 */ -SYSCALL(sys_fsetxattr,sys_fsetxattr,sys32_fsetxattr_wrapper) -SYSCALL(sys_getxattr,sys_getxattr,sys32_getxattr_wrapper) -SYSCALL(sys_lgetxattr,sys_lgetxattr,sys32_lgetxattr_wrapper) -SYSCALL(sys_fgetxattr,sys_fgetxattr,sys32_fgetxattr_wrapper) -SYSCALL(sys_listxattr,sys_listxattr,sys32_listxattr_wrapper) /* 230 */ -SYSCALL(sys_llistxattr,sys_llistxattr,sys32_llistxattr_wrapper) -SYSCALL(sys_flistxattr,sys_flistxattr,sys32_flistxattr_wrapper) -SYSCALL(sys_removexattr,sys_removexattr,sys32_removexattr_wrapper) -SYSCALL(sys_lremovexattr,sys_lremovexattr,sys32_lremovexattr_wrapper) -SYSCALL(sys_fremovexattr,sys_fremovexattr,sys32_fremovexattr_wrapper) /* 235 */ -SYSCALL(sys_gettid,sys_gettid,sys_gettid) -SYSCALL(sys_tkill,sys_tkill,sys_tkill_wrapper) -SYSCALL(sys_futex,sys_futex,compat_sys_futex_wrapper) -SYSCALL(sys_sched_setaffinity,sys_sched_setaffinity,sys32_sched_setaffinity_wrapper) -SYSCALL(sys_sched_getaffinity,sys_sched_getaffinity,sys32_sched_getaffinity_wrapper) /* 240 */ -SYSCALL(sys_tgkill,sys_tgkill,sys_tgkill_wrapper) -NI_SYSCALL /* reserved for TUX */ -SYSCALL(sys_io_setup,sys_io_setup,sys32_io_setup_wrapper) -SYSCALL(sys_io_destroy,sys_io_destroy,sys32_io_destroy_wrapper) -SYSCALL(sys_io_getevents,sys_io_getevents,sys32_io_getevents_wrapper) /* 245 */ -SYSCALL(sys_io_submit,sys_io_submit,sys32_io_submit_wrapper) -SYSCALL(sys_io_cancel,sys_io_cancel,sys32_io_cancel_wrapper) -SYSCALL(sys_exit_group,sys_exit_group,sys32_exit_group_wrapper) -SYSCALL(sys_epoll_create,sys_epoll_create,sys_epoll_create_wrapper) -SYSCALL(sys_epoll_ctl,sys_epoll_ctl,sys_epoll_ctl_wrapper) /* 250 */ -SYSCALL(sys_epoll_wait,sys_epoll_wait,sys_epoll_wait_wrapper) -SYSCALL(sys_set_tid_address,sys_set_tid_address,sys32_set_tid_address_wrapper) -SYSCALL(sys_s390_fadvise64,sys_fadvise64_64,sys32_fadvise64_wrapper) -SYSCALL(sys_timer_create,sys_timer_create,sys32_timer_create_wrapper) -SYSCALL(sys_timer_settime,sys_timer_settime,sys32_timer_settime_wrapper) /* 255 */ -SYSCALL(sys_timer_gettime,sys_timer_gettime,sys32_timer_gettime_wrapper) -SYSCALL(sys_timer_getoverrun,sys_timer_getoverrun,sys32_timer_getoverrun_wrapper) -SYSCALL(sys_timer_delete,sys_timer_delete,sys32_timer_delete_wrapper) -SYSCALL(sys_clock_settime,sys_clock_settime,sys32_clock_settime_wrapper) -SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */ -SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper) -SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper) -NI_SYSCALL /* reserved for vserver */ -SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper) -SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper) -SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper) -SYSCALL(sys_remap_file_pages,sys_remap_file_pages,sys32_remap_file_pages_wrapper) -NI_SYSCALL /* 268 sys_mbind */ -NI_SYSCALL /* 269 sys_get_mempolicy */ -NI_SYSCALL /* 270 sys_set_mempolicy */ -SYSCALL(sys_mq_open,sys_mq_open,compat_sys_mq_open_wrapper) -SYSCALL(sys_mq_unlink,sys_mq_unlink,sys32_mq_unlink_wrapper) -SYSCALL(sys_mq_timedsend,sys_mq_timedsend,compat_sys_mq_timedsend_wrapper) -SYSCALL(sys_mq_timedreceive,sys_mq_timedreceive,compat_sys_mq_timedreceive_wrapper) -SYSCALL(sys_mq_notify,sys_mq_notify,compat_sys_mq_notify_wrapper) /* 275 */ -SYSCALL(sys_mq_getsetattr,sys_mq_getsetattr,compat_sys_mq_getsetattr_wrapper) -SYSCALL(sys_kexec_load,sys_kexec_load,compat_sys_kexec_load_wrapper) -SYSCALL(sys_add_key,sys_add_key,compat_sys_add_key_wrapper) -SYSCALL(sys_request_key,sys_request_key,compat_sys_request_key_wrapper) -SYSCALL(sys_keyctl,sys_keyctl,compat_sys_keyctl_wrapper) /* 280 */ -SYSCALL(sys_waitid,sys_waitid,compat_sys_waitid_wrapper) -SYSCALL(sys_ioprio_set,sys_ioprio_set,sys_ioprio_set_wrapper) -SYSCALL(sys_ioprio_get,sys_ioprio_get,sys_ioprio_get_wrapper) -SYSCALL(sys_inotify_init,sys_inotify_init,sys_inotify_init) -SYSCALL(sys_inotify_add_watch,sys_inotify_add_watch,sys_inotify_add_watch_wrapper) /* 285 */ -SYSCALL(sys_inotify_rm_watch,sys_inotify_rm_watch,sys_inotify_rm_watch_wrapper) -NI_SYSCALL /* 287 sys_migrate_pages */ -SYSCALL(sys_openat,sys_openat,compat_sys_openat_wrapper) -SYSCALL(sys_mkdirat,sys_mkdirat,sys_mkdirat_wrapper) -SYSCALL(sys_mknodat,sys_mknodat,sys_mknodat_wrapper) /* 290 */ -SYSCALL(sys_fchownat,sys_fchownat,sys_fchownat_wrapper) -SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper) -SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat64_wrapper) -SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper) -SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper) /* 295 */ -SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper) -SYSCALL(sys_symlinkat,sys_symlinkat,sys_symlinkat_wrapper) -SYSCALL(sys_readlinkat,sys_readlinkat,sys_readlinkat_wrapper) -SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper) -SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */ -SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper) -SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper) -SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper) -SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper) -SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper) -SYSCALL(sys_splice,sys_splice,sys_splice_wrapper) -SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper) -SYSCALL(sys_tee,sys_tee,sys_tee_wrapper) -SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper) -NI_SYSCALL /* 310 sys_move_pages */ -SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper) -SYSCALL(sys_epoll_pwait,sys_epoll_pwait,compat_sys_epoll_pwait_wrapper) -SYSCALL(sys_utimes,sys_utimes,compat_sys_utimes_wrapper) -SYSCALL(sys_s390_fallocate,sys_fallocate,sys_fallocate_wrapper) -SYSCALL(sys_utimensat,sys_utimensat,compat_sys_utimensat_wrapper) /* 315 */ -SYSCALL(sys_signalfd,sys_signalfd,compat_sys_signalfd_wrapper) -NI_SYSCALL /* 317 old sys_timer_fd */ -SYSCALL(sys_eventfd,sys_eventfd,sys_eventfd_wrapper) -SYSCALL(sys_timerfd_create,sys_timerfd_create,sys_timerfd_create_wrapper) -SYSCALL(sys_timerfd_settime,sys_timerfd_settime,compat_sys_timerfd_settime_wrapper) /* 320 */ -SYSCALL(sys_timerfd_gettime,sys_timerfd_gettime,compat_sys_timerfd_gettime_wrapper) -SYSCALL(sys_signalfd4,sys_signalfd4,compat_sys_signalfd4_wrapper) -SYSCALL(sys_eventfd2,sys_eventfd2,sys_eventfd2_wrapper) -SYSCALL(sys_inotify_init1,sys_inotify_init1,sys_inotify_init1_wrapper) -SYSCALL(sys_pipe2,sys_pipe2,sys_pipe2_wrapper) /* 325 */ -SYSCALL(sys_dup3,sys_dup3,sys_dup3_wrapper) -SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper) -SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper) -SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper) -SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */ -SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper) -SYSCALL(sys_fanotify_init,sys_fanotify_init,sys_fanotify_init_wrapper) -SYSCALL(sys_fanotify_mark,sys_fanotify_mark,sys_fanotify_mark_wrapper) -SYSCALL(sys_prlimit64,sys_prlimit64,sys_prlimit64_wrapper) -SYSCALL(sys_name_to_handle_at,sys_name_to_handle_at,sys_name_to_handle_at_wrapper) /* 335 */ -SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at_wrapper) -SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper) -SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper) -SYSCALL(sys_setns,sys_setns,sys_setns_wrapper) -SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */ -SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper) diff --git a/ANDROID_3.4.5/arch/s390/kernel/sysinfo.c b/ANDROID_3.4.5/arch/s390/kernel/sysinfo.c deleted file mode 100644 index 2a94b774..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/sysinfo.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * Copyright IBM Corp. 2001, 2009 - * Author(s): Ulrich Weigand <Ulrich.Weigand@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <asm/ebcdic.h> -#include <asm/sysinfo.h> -#include <asm/cpcmd.h> -#include <asm/topology.h> - -/* Sigh, math-emu. Don't ask. */ -#include <asm/sfp-util.h> -#include <math-emu/soft-fp.h> -#include <math-emu/single.h> - -static inline int stsi_0(void) -{ - int rc = stsi(NULL, 0, 0, 0); - return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28); -} - -static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len) -{ - if (stsi(info, 1, 1, 1) == -ENOSYS) - return len; - - EBCASC(info->manufacturer, sizeof(info->manufacturer)); - EBCASC(info->type, sizeof(info->type)); - EBCASC(info->model, sizeof(info->model)); - EBCASC(info->sequence, sizeof(info->sequence)); - EBCASC(info->plant, sizeof(info->plant)); - EBCASC(info->model_capacity, sizeof(info->model_capacity)); - EBCASC(info->model_perm_cap, sizeof(info->model_perm_cap)); - EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap)); - len += sprintf(page + len, "Manufacturer: %-16.16s\n", - info->manufacturer); - len += sprintf(page + len, "Type: %-4.4s\n", - info->type); - if (info->model[0] != '\0') - /* - * Sigh: the model field has been renamed with System z9 - * to model_capacity and a new model field has been added - * after the plant field. To avoid confusing older programs - * the "Model:" prints "model_capacity model" or just - * "model_capacity" if the model string is empty . - */ - len += sprintf(page + len, - "Model: %-16.16s %-16.16s\n", - info->model_capacity, info->model); - else - len += sprintf(page + len, "Model: %-16.16s\n", - info->model_capacity); - len += sprintf(page + len, "Sequence Code: %-16.16s\n", - info->sequence); - len += sprintf(page + len, "Plant: %-4.4s\n", - info->plant); - len += sprintf(page + len, "Model Capacity: %-16.16s %08u\n", - info->model_capacity, *(u32 *) info->model_cap_rating); - if (info->model_perm_cap[0] != '\0') - len += sprintf(page + len, - "Model Perm. Capacity: %-16.16s %08u\n", - info->model_perm_cap, - *(u32 *) info->model_perm_cap_rating); - if (info->model_temp_cap[0] != '\0') - len += sprintf(page + len, - "Model Temp. Capacity: %-16.16s %08u\n", - info->model_temp_cap, - *(u32 *) info->model_temp_cap_rating); - if (info->cai) { - len += sprintf(page + len, - "Capacity Adj. Ind.: %d\n", - info->cai); - len += sprintf(page + len, "Capacity Ch. Reason: %d\n", - info->ccr); - } - return len; -} - -static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len) -{ - static int max_mnest; - int i, rc; - - len += sprintf(page + len, "\n"); - if (!MACHINE_HAS_TOPOLOGY) - return len; - if (max_mnest) { - stsi(info, 15, 1, max_mnest); - } else { - for (max_mnest = 6; max_mnest > 1; max_mnest--) { - rc = stsi(info, 15, 1, max_mnest); - if (rc != -ENOSYS) - break; - } - } - len += sprintf(page + len, "CPU Topology HW: "); - for (i = 0; i < TOPOLOGY_NR_MAG; i++) - len += sprintf(page + len, " %d", info->mag[i]); - len += sprintf(page + len, "\n"); -#ifdef CONFIG_SCHED_MC - store_topology(info); - len += sprintf(page + len, "CPU Topology SW: "); - for (i = 0; i < TOPOLOGY_NR_MAG; i++) - len += sprintf(page + len, " %d", info->mag[i]); - len += sprintf(page + len, "\n"); -#endif - return len; -} - -static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len) -{ - struct sysinfo_1_2_2_extension *ext; - int i; - - if (stsi(info, 1, 2, 2) == -ENOSYS) - return len; - ext = (struct sysinfo_1_2_2_extension *) - ((unsigned long) info + info->acc_offset); - - len += sprintf(page + len, "CPUs Total: %d\n", - info->cpus_total); - len += sprintf(page + len, "CPUs Configured: %d\n", - info->cpus_configured); - len += sprintf(page + len, "CPUs Standby: %d\n", - info->cpus_standby); - len += sprintf(page + len, "CPUs Reserved: %d\n", - info->cpus_reserved); - - if (info->format == 1) { - /* - * Sigh 2. According to the specification the alternate - * capability field is a 32 bit floating point number - * if the higher order 8 bits are not zero. Printing - * a floating point number in the kernel is a no-no, - * always print the number as 32 bit unsigned integer. - * The user-space needs to know about the strange - * encoding of the alternate cpu capability. - */ - len += sprintf(page + len, "Capability: %u %u\n", - info->capability, ext->alt_capability); - for (i = 2; i <= info->cpus_total; i++) - len += sprintf(page + len, - "Adjustment %02d-way: %u %u\n", - i, info->adjustment[i-2], - ext->alt_adjustment[i-2]); - - } else { - len += sprintf(page + len, "Capability: %u\n", - info->capability); - for (i = 2; i <= info->cpus_total; i++) - len += sprintf(page + len, - "Adjustment %02d-way: %u\n", - i, info->adjustment[i-2]); - } - - if (info->secondary_capability != 0) - len += sprintf(page + len, "Secondary Capability: %d\n", - info->secondary_capability); - return len; -} - -static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len) -{ - if (stsi(info, 2, 2, 2) == -ENOSYS) - return len; - - EBCASC(info->name, sizeof(info->name)); - - len += sprintf(page + len, "\n"); - len += sprintf(page + len, "LPAR Number: %d\n", - info->lpar_number); - - len += sprintf(page + len, "LPAR Characteristics: "); - if (info->characteristics & LPAR_CHAR_DEDICATED) - len += sprintf(page + len, "Dedicated "); - if (info->characteristics & LPAR_CHAR_SHARED) - len += sprintf(page + len, "Shared "); - if (info->characteristics & LPAR_CHAR_LIMITED) - len += sprintf(page + len, "Limited "); - len += sprintf(page + len, "\n"); - - len += sprintf(page + len, "LPAR Name: %-8.8s\n", - info->name); - - len += sprintf(page + len, "LPAR Adjustment: %d\n", - info->caf); - - len += sprintf(page + len, "LPAR CPUs Total: %d\n", - info->cpus_total); - len += sprintf(page + len, "LPAR CPUs Configured: %d\n", - info->cpus_configured); - len += sprintf(page + len, "LPAR CPUs Standby: %d\n", - info->cpus_standby); - len += sprintf(page + len, "LPAR CPUs Reserved: %d\n", - info->cpus_reserved); - len += sprintf(page + len, "LPAR CPUs Dedicated: %d\n", - info->cpus_dedicated); - len += sprintf(page + len, "LPAR CPUs Shared: %d\n", - info->cpus_shared); - return len; -} - -static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len) -{ - int i; - - if (stsi(info, 3, 2, 2) == -ENOSYS) - return len; - for (i = 0; i < info->count; i++) { - EBCASC(info->vm[i].name, sizeof(info->vm[i].name)); - EBCASC(info->vm[i].cpi, sizeof(info->vm[i].cpi)); - len += sprintf(page + len, "\n"); - len += sprintf(page + len, "VM%02d Name: %-8.8s\n", - i, info->vm[i].name); - len += sprintf(page + len, "VM%02d Control Program: %-16.16s\n", - i, info->vm[i].cpi); - - len += sprintf(page + len, "VM%02d Adjustment: %d\n", - i, info->vm[i].caf); - - len += sprintf(page + len, "VM%02d CPUs Total: %d\n", - i, info->vm[i].cpus_total); - len += sprintf(page + len, "VM%02d CPUs Configured: %d\n", - i, info->vm[i].cpus_configured); - len += sprintf(page + len, "VM%02d CPUs Standby: %d\n", - i, info->vm[i].cpus_standby); - len += sprintf(page + len, "VM%02d CPUs Reserved: %d\n", - i, info->vm[i].cpus_reserved); - } - return len; -} - -static int proc_read_sysinfo(char *page, char **start, - off_t off, int count, - int *eof, void *data) -{ - unsigned long info = get_zeroed_page(GFP_KERNEL); - int level, len; - - if (!info) - return 0; - - len = 0; - level = stsi_0(); - if (level >= 1) - len = stsi_1_1_1((struct sysinfo_1_1_1 *) info, page, len); - - if (level >= 1) - len = stsi_15_1_x((struct sysinfo_15_1_x *) info, page, len); - - if (level >= 1) - len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len); - - if (level >= 2) - len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len); - - if (level >= 3) - len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len); - - free_page(info); - return len; -} - -static __init int create_proc_sysinfo(void) -{ - create_proc_read_entry("sysinfo", 0444, NULL, - proc_read_sysinfo, NULL); - return 0; -} -device_initcall(create_proc_sysinfo); - -/* - * Service levels interface. - */ - -static DECLARE_RWSEM(service_level_sem); -static LIST_HEAD(service_level_list); - -int register_service_level(struct service_level *slr) -{ - struct service_level *ptr; - - down_write(&service_level_sem); - list_for_each_entry(ptr, &service_level_list, list) - if (ptr == slr) { - up_write(&service_level_sem); - return -EEXIST; - } - list_add_tail(&slr->list, &service_level_list); - up_write(&service_level_sem); - return 0; -} -EXPORT_SYMBOL(register_service_level); - -int unregister_service_level(struct service_level *slr) -{ - struct service_level *ptr, *next; - int rc = -ENOENT; - - down_write(&service_level_sem); - list_for_each_entry_safe(ptr, next, &service_level_list, list) { - if (ptr != slr) - continue; - list_del(&ptr->list); - rc = 0; - break; - } - up_write(&service_level_sem); - return rc; -} -EXPORT_SYMBOL(unregister_service_level); - -static void *service_level_start(struct seq_file *m, loff_t *pos) -{ - down_read(&service_level_sem); - return seq_list_start(&service_level_list, *pos); -} - -static void *service_level_next(struct seq_file *m, void *p, loff_t *pos) -{ - return seq_list_next(p, &service_level_list, pos); -} - -static void service_level_stop(struct seq_file *m, void *p) -{ - up_read(&service_level_sem); -} - -static int service_level_show(struct seq_file *m, void *p) -{ - struct service_level *slr; - - slr = list_entry(p, struct service_level, list); - slr->seq_print(m, slr); - return 0; -} - -static const struct seq_operations service_level_seq_ops = { - .start = service_level_start, - .next = service_level_next, - .stop = service_level_stop, - .show = service_level_show -}; - -static int service_level_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &service_level_seq_ops); -} - -static const struct file_operations service_level_ops = { - .open = service_level_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release -}; - -static void service_level_vm_print(struct seq_file *m, - struct service_level *slr) -{ - char *query_buffer, *str; - - query_buffer = kmalloc(1024, GFP_KERNEL | GFP_DMA); - if (!query_buffer) - return; - cpcmd("QUERY CPLEVEL", query_buffer, 1024, NULL); - str = strchr(query_buffer, '\n'); - if (str) - *str = 0; - seq_printf(m, "VM: %s\n", query_buffer); - kfree(query_buffer); -} - -static struct service_level service_level_vm = { - .seq_print = service_level_vm_print -}; - -static __init int create_proc_service_level(void) -{ - proc_create("service_levels", 0, NULL, &service_level_ops); - if (MACHINE_IS_VM) - register_service_level(&service_level_vm); - return 0; -} -subsys_initcall(create_proc_service_level); - -/* - * Bogomips calculation based on cpu capability. - */ -int get_cpu_capability(unsigned int *capability) -{ - struct sysinfo_1_2_2 *info; - int rc; - - info = (void *) get_zeroed_page(GFP_KERNEL); - if (!info) - return -ENOMEM; - rc = stsi(info, 1, 2, 2); - if (rc == -ENOSYS) - goto out; - rc = 0; - *capability = info->capability; -out: - free_page((unsigned long) info); - return rc; -} - -/* - * CPU capability might have changed. Therefore recalculate loops_per_jiffy. - */ -void s390_adjust_jiffies(void) -{ - struct sysinfo_1_2_2 *info; - const unsigned int fmil = 0x4b189680; /* 1e7 as 32-bit float. */ - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - unsigned int capability; - - info = (void *) get_zeroed_page(GFP_KERNEL); - if (!info) - return; - - if (stsi(info, 1, 2, 2) != -ENOSYS) { - /* - * Major sigh. The cpu capability encoding is "special". - * If the first 9 bits of info->capability are 0 then it - * is a 32 bit unsigned integer in the range 0 .. 2^23. - * If the first 9 bits are != 0 then it is a 32 bit float. - * In addition a lower value indicates a proportionally - * higher cpu capacity. Bogomips are the other way round. - * To get to a halfway suitable number we divide 1e7 - * by the cpu capability number. Yes, that means a floating - * point division .. math-emu here we come :-) - */ - FP_UNPACK_SP(SA, &fmil); - if ((info->capability >> 23) == 0) - FP_FROM_INT_S(SB, (long) info->capability, 64, long); - else - FP_UNPACK_SP(SB, &info->capability); - FP_DIV_S(SR, SA, SB); - FP_TO_INT_S(capability, SR, 32, 0); - } else - /* - * Really old machine without stsi block for basic - * cpu information. Report 42.0 bogomips. - */ - capability = 42; - loops_per_jiffy = capability * (500000/HZ); - free_page((unsigned long) info); -} - -/* - * calibrate the delay loop - */ -void __cpuinit calibrate_delay(void) -{ - s390_adjust_jiffies(); - /* Print the good old Bogomips line .. */ - printk(KERN_DEBUG "Calibrating delay loop (skipped)... " - "%lu.%02lu BogoMIPS preset\n", loops_per_jiffy/(500000/HZ), - (loops_per_jiffy/(5000/HZ)) % 100); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/time.c b/ANDROID_3.4.5/arch/s390/kernel/time.c deleted file mode 100644 index d4e1cb1d..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/time.c +++ /dev/null @@ -1,1789 +0,0 @@ -/* - * arch/s390/kernel/time.c - * Time of day based timer functions. - * - * S390 version - * Copyright IBM Corp. 1999, 2008 - * Author(s): Hartmut Penner (hp@de.ibm.com), - * Martin Schwidefsky (schwidefsky@de.ibm.com), - * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) - * - * Derived from "arch/i386/kernel/time.c" - * Copyright (C) 1991, 1992, 1995 Linus Torvalds - */ - -#define KMSG_COMPONENT "time" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel_stat.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/cpu.h> -#include <linux/stop_machine.h> -#include <linux/time.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/types.h> -#include <linux/profile.h> -#include <linux/timex.h> -#include <linux/notifier.h> -#include <linux/clocksource.h> -#include <linux/clockchips.h> -#include <linux/gfp.h> -#include <linux/kprobes.h> -#include <asm/uaccess.h> -#include <asm/delay.h> -#include <asm/div64.h> -#include <asm/vdso.h> -#include <asm/irq.h> -#include <asm/irq_regs.h> -#include <asm/timer.h> -#include <asm/etr.h> -#include <asm/cio.h> -#include "entry.h" - -/* change this if you have some constant time drift */ -#define USECS_PER_JIFFY ((unsigned long) 1000000/HZ) -#define CLK_TICKS_PER_JIFFY ((unsigned long) USECS_PER_JIFFY << 12) - -u64 sched_clock_base_cc = -1; /* Force to data section. */ -EXPORT_SYMBOL_GPL(sched_clock_base_cc); - -static DEFINE_PER_CPU(struct clock_event_device, comparators); - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long notrace __kprobes sched_clock(void) -{ - return (get_clock_monotonic() * 125) >> 9; -} - -/* - * Monotonic_clock - returns # of nanoseconds passed since time_init() - */ -unsigned long long monotonic_clock(void) -{ - return sched_clock(); -} -EXPORT_SYMBOL(monotonic_clock); - -void tod_to_timeval(__u64 todval, struct timespec *xt) -{ - unsigned long long sec; - - sec = todval >> 12; - do_div(sec, 1000000); - xt->tv_sec = sec; - todval -= (sec * 1000000) << 12; - xt->tv_nsec = ((todval * 1000) >> 12); -} -EXPORT_SYMBOL(tod_to_timeval); - -void clock_comparator_work(void) -{ - struct clock_event_device *cd; - - S390_lowcore.clock_comparator = -1ULL; - set_clock_comparator(S390_lowcore.clock_comparator); - cd = &__get_cpu_var(comparators); - cd->event_handler(cd); -} - -/* - * Fixup the clock comparator. - */ -static void fixup_clock_comparator(unsigned long long delta) -{ - /* If nobody is waiting there's nothing to fix. */ - if (S390_lowcore.clock_comparator == -1ULL) - return; - S390_lowcore.clock_comparator += delta; - set_clock_comparator(S390_lowcore.clock_comparator); -} - -static int s390_next_ktime(ktime_t expires, - struct clock_event_device *evt) -{ - struct timespec ts; - u64 nsecs; - - ts.tv_sec = ts.tv_nsec = 0; - monotonic_to_bootbased(&ts); - nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires)); - do_div(nsecs, 125); - S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9); - set_clock_comparator(S390_lowcore.clock_comparator); - return 0; -} - -static void s390_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) -{ -} - -/* - * Set up lowcore and control register of the current cpu to - * enable TOD clock and clock comparator interrupts. - */ -void init_cpu_timer(void) -{ - struct clock_event_device *cd; - int cpu; - - S390_lowcore.clock_comparator = -1ULL; - set_clock_comparator(S390_lowcore.clock_comparator); - - cpu = smp_processor_id(); - cd = &per_cpu(comparators, cpu); - cd->name = "comparator"; - cd->features = CLOCK_EVT_FEAT_ONESHOT | - CLOCK_EVT_FEAT_KTIME; - cd->mult = 16777; - cd->shift = 12; - cd->min_delta_ns = 1; - cd->max_delta_ns = LONG_MAX; - cd->rating = 400; - cd->cpumask = cpumask_of(cpu); - cd->set_next_ktime = s390_next_ktime; - cd->set_mode = s390_set_mode; - - clockevents_register_device(cd); - - /* Enable clock comparator timer interrupt. */ - __ctl_set_bit(0,11); - - /* Always allow the timing alert external interrupt. */ - __ctl_set_bit(0, 4); -} - -static void clock_comparator_interrupt(struct ext_code ext_code, - unsigned int param32, - unsigned long param64) -{ - kstat_cpu(smp_processor_id()).irqs[EXTINT_CLK]++; - if (S390_lowcore.clock_comparator == -1ULL) - set_clock_comparator(S390_lowcore.clock_comparator); -} - -static void etr_timing_alert(struct etr_irq_parm *); -static void stp_timing_alert(struct stp_irq_parm *); - -static void timing_alert_interrupt(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - kstat_cpu(smp_processor_id()).irqs[EXTINT_TLA]++; - if (param32 & 0x00c40000) - etr_timing_alert((struct etr_irq_parm *) ¶m32); - if (param32 & 0x00038000) - stp_timing_alert((struct stp_irq_parm *) ¶m32); -} - -static void etr_reset(void); -static void stp_reset(void); - -void read_persistent_clock(struct timespec *ts) -{ - tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts); -} - -void read_boot_clock(struct timespec *ts) -{ - tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, ts); -} - -static cycle_t read_tod_clock(struct clocksource *cs) -{ - return get_clock(); -} - -static struct clocksource clocksource_tod = { - .name = "tod", - .rating = 400, - .read = read_tod_clock, - .mask = -1ULL, - .mult = 1000, - .shift = 12, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -struct clocksource * __init clocksource_default_clock(void) -{ - return &clocksource_tod; -} - -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, - struct clocksource *clock, u32 mult) -{ - if (clock != &clocksource_tod) - return; - - /* Make userspace gettimeofday spin until we're done. */ - ++vdso_data->tb_update_count; - smp_wmb(); - vdso_data->xtime_tod_stamp = clock->cycle_last; - vdso_data->xtime_clock_sec = wall_time->tv_sec; - vdso_data->xtime_clock_nsec = wall_time->tv_nsec; - vdso_data->wtom_clock_sec = wtm->tv_sec; - vdso_data->wtom_clock_nsec = wtm->tv_nsec; - vdso_data->ntp_mult = mult; - smp_wmb(); - ++vdso_data->tb_update_count; -} - -extern struct timezone sys_tz; - -void update_vsyscall_tz(void) -{ - /* Make userspace gettimeofday spin until we're done. */ - ++vdso_data->tb_update_count; - smp_wmb(); - vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; - vdso_data->tz_dsttime = sys_tz.tz_dsttime; - smp_wmb(); - ++vdso_data->tb_update_count; -} - -/* - * Initialize the TOD clock and the CPU timer of - * the boot cpu. - */ -void __init time_init(void) -{ - /* Reset time synchronization interfaces. */ - etr_reset(); - stp_reset(); - - /* request the clock comparator external interrupt */ - if (register_external_interrupt(0x1004, clock_comparator_interrupt)) - panic("Couldn't request external interrupt 0x1004"); - - /* request the timing alert external interrupt */ - if (register_external_interrupt(0x1406, timing_alert_interrupt)) - panic("Couldn't request external interrupt 0x1406"); - - if (clocksource_register(&clocksource_tod) != 0) - panic("Could not register TOD clock source"); - - /* Enable TOD clock interrupts on the boot cpu. */ - init_cpu_timer(); - - /* Enable cpu timer interrupts on the boot cpu. */ - vtime_init(); -} - -/* - * The time is "clock". old is what we think the time is. - * Adjust the value by a multiple of jiffies and add the delta to ntp. - * "delay" is an approximation how long the synchronization took. If - * the time correction is positive, then "delay" is subtracted from - * the time difference and only the remaining part is passed to ntp. - */ -static unsigned long long adjust_time(unsigned long long old, - unsigned long long clock, - unsigned long long delay) -{ - unsigned long long delta, ticks; - struct timex adjust; - - if (clock > old) { - /* It is later than we thought. */ - delta = ticks = clock - old; - delta = ticks = (delta < delay) ? 0 : delta - delay; - delta -= do_div(ticks, CLK_TICKS_PER_JIFFY); - adjust.offset = ticks * (1000000 / HZ); - } else { - /* It is earlier than we thought. */ - delta = ticks = old - clock; - delta -= do_div(ticks, CLK_TICKS_PER_JIFFY); - delta = -delta; - adjust.offset = -ticks * (1000000 / HZ); - } - sched_clock_base_cc += delta; - if (adjust.offset != 0) { - pr_notice("The ETR interface has adjusted the clock " - "by %li microseconds\n", adjust.offset); - adjust.modes = ADJ_OFFSET_SINGLESHOT; - do_adjtimex(&adjust); - } - return delta; -} - -static DEFINE_PER_CPU(atomic_t, clock_sync_word); -static DEFINE_MUTEX(clock_sync_mutex); -static unsigned long clock_sync_flags; - -#define CLOCK_SYNC_HAS_ETR 0 -#define CLOCK_SYNC_HAS_STP 1 -#define CLOCK_SYNC_ETR 2 -#define CLOCK_SYNC_STP 3 - -/* - * The synchronous get_clock function. It will write the current clock - * value to the clock pointer and return 0 if the clock is in sync with - * the external time source. If the clock mode is local it will return - * -ENOSYS and -EAGAIN if the clock is not in sync with the external - * reference. - */ -int get_sync_clock(unsigned long long *clock) -{ - atomic_t *sw_ptr; - unsigned int sw0, sw1; - - sw_ptr = &get_cpu_var(clock_sync_word); - sw0 = atomic_read(sw_ptr); - *clock = get_clock(); - sw1 = atomic_read(sw_ptr); - put_cpu_var(clock_sync_word); - if (sw0 == sw1 && (sw0 & 0x80000000U)) - /* Success: time is in sync. */ - return 0; - if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags) && - !test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags)) - return -ENOSYS; - if (!test_bit(CLOCK_SYNC_ETR, &clock_sync_flags) && - !test_bit(CLOCK_SYNC_STP, &clock_sync_flags)) - return -EACCES; - return -EAGAIN; -} -EXPORT_SYMBOL(get_sync_clock); - -/* - * Make get_sync_clock return -EAGAIN. - */ -static void disable_sync_clock(void *dummy) -{ - atomic_t *sw_ptr = &__get_cpu_var(clock_sync_word); - /* - * Clear the in-sync bit 2^31. All get_sync_clock calls will - * fail until the sync bit is turned back on. In addition - * increase the "sequence" counter to avoid the race of an - * etr event and the complete recovery against get_sync_clock. - */ - atomic_clear_mask(0x80000000, sw_ptr); - atomic_inc(sw_ptr); -} - -/* - * Make get_sync_clock return 0 again. - * Needs to be called from a context disabled for preemption. - */ -static void enable_sync_clock(void) -{ - atomic_t *sw_ptr = &__get_cpu_var(clock_sync_word); - atomic_set_mask(0x80000000, sw_ptr); -} - -/* - * Function to check if the clock is in sync. - */ -static inline int check_sync_clock(void) -{ - atomic_t *sw_ptr; - int rc; - - sw_ptr = &get_cpu_var(clock_sync_word); - rc = (atomic_read(sw_ptr) & 0x80000000U) != 0; - put_cpu_var(clock_sync_word); - return rc; -} - -/* Single threaded workqueue used for etr and stp sync events */ -static struct workqueue_struct *time_sync_wq; - -static void __init time_init_wq(void) -{ - if (time_sync_wq) - return; - time_sync_wq = create_singlethread_workqueue("timesync"); -} - -/* - * External Time Reference (ETR) code. - */ -static int etr_port0_online; -static int etr_port1_online; -static int etr_steai_available; - -static int __init early_parse_etr(char *p) -{ - if (strncmp(p, "off", 3) == 0) - etr_port0_online = etr_port1_online = 0; - else if (strncmp(p, "port0", 5) == 0) - etr_port0_online = 1; - else if (strncmp(p, "port1", 5) == 0) - etr_port1_online = 1; - else if (strncmp(p, "on", 2) == 0) - etr_port0_online = etr_port1_online = 1; - return 0; -} -early_param("etr", early_parse_etr); - -enum etr_event { - ETR_EVENT_PORT0_CHANGE, - ETR_EVENT_PORT1_CHANGE, - ETR_EVENT_PORT_ALERT, - ETR_EVENT_SYNC_CHECK, - ETR_EVENT_SWITCH_LOCAL, - ETR_EVENT_UPDATE, -}; - -/* - * Valid bit combinations of the eacr register are (x = don't care): - * e0 e1 dp p0 p1 ea es sl - * 0 0 x 0 0 0 0 0 initial, disabled state - * 0 0 x 0 1 1 0 0 port 1 online - * 0 0 x 1 0 1 0 0 port 0 online - * 0 0 x 1 1 1 0 0 both ports online - * 0 1 x 0 1 1 0 0 port 1 online and usable, ETR or PPS mode - * 0 1 x 0 1 1 0 1 port 1 online, usable and ETR mode - * 0 1 x 0 1 1 1 0 port 1 online, usable, PPS mode, in-sync - * 0 1 x 0 1 1 1 1 port 1 online, usable, ETR mode, in-sync - * 0 1 x 1 1 1 0 0 both ports online, port 1 usable - * 0 1 x 1 1 1 1 0 both ports online, port 1 usable, PPS mode, in-sync - * 0 1 x 1 1 1 1 1 both ports online, port 1 usable, ETR mode, in-sync - * 1 0 x 1 0 1 0 0 port 0 online and usable, ETR or PPS mode - * 1 0 x 1 0 1 0 1 port 0 online, usable and ETR mode - * 1 0 x 1 0 1 1 0 port 0 online, usable, PPS mode, in-sync - * 1 0 x 1 0 1 1 1 port 0 online, usable, ETR mode, in-sync - * 1 0 x 1 1 1 0 0 both ports online, port 0 usable - * 1 0 x 1 1 1 1 0 both ports online, port 0 usable, PPS mode, in-sync - * 1 0 x 1 1 1 1 1 both ports online, port 0 usable, ETR mode, in-sync - * 1 1 x 1 1 1 1 0 both ports online & usable, ETR, in-sync - * 1 1 x 1 1 1 1 1 both ports online & usable, ETR, in-sync - */ -static struct etr_eacr etr_eacr; -static u64 etr_tolec; /* time of last eacr update */ -static struct etr_aib etr_port0; -static int etr_port0_uptodate; -static struct etr_aib etr_port1; -static int etr_port1_uptodate; -static unsigned long etr_events; -static struct timer_list etr_timer; - -static void etr_timeout(unsigned long dummy); -static void etr_work_fn(struct work_struct *work); -static DEFINE_MUTEX(etr_work_mutex); -static DECLARE_WORK(etr_work, etr_work_fn); - -/* - * Reset ETR attachment. - */ -static void etr_reset(void) -{ - etr_eacr = (struct etr_eacr) { - .e0 = 0, .e1 = 0, ._pad0 = 4, .dp = 0, - .p0 = 0, .p1 = 0, ._pad1 = 0, .ea = 0, - .es = 0, .sl = 0 }; - if (etr_setr(&etr_eacr) == 0) { - etr_tolec = get_clock(); - set_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags); - if (etr_port0_online && etr_port1_online) - set_bit(CLOCK_SYNC_ETR, &clock_sync_flags); - } else if (etr_port0_online || etr_port1_online) { - pr_warning("The real or virtual hardware system does " - "not provide an ETR interface\n"); - etr_port0_online = etr_port1_online = 0; - } -} - -static int __init etr_init(void) -{ - struct etr_aib aib; - - if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags)) - return 0; - time_init_wq(); - /* Check if this machine has the steai instruction. */ - if (etr_steai(&aib, ETR_STEAI_STEPPING_PORT) == 0) - etr_steai_available = 1; - setup_timer(&etr_timer, etr_timeout, 0UL); - if (etr_port0_online) { - set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); - queue_work(time_sync_wq, &etr_work); - } - if (etr_port1_online) { - set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); - queue_work(time_sync_wq, &etr_work); - } - return 0; -} - -arch_initcall(etr_init); - -/* - * Two sorts of ETR machine checks. The architecture reads: - * "When a machine-check niterruption occurs and if a switch-to-local or - * ETR-sync-check interrupt request is pending but disabled, this pending - * disabled interruption request is indicated and is cleared". - * Which means that we can get etr_switch_to_local events from the machine - * check handler although the interruption condition is disabled. Lovely.. - */ - -/* - * Switch to local machine check. This is called when the last usable - * ETR port goes inactive. After switch to local the clock is not in sync. - */ -void etr_switch_to_local(void) -{ - if (!etr_eacr.sl) - return; - disable_sync_clock(NULL); - if (!test_and_set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) { - etr_eacr.es = etr_eacr.sl = 0; - etr_setr(&etr_eacr); - queue_work(time_sync_wq, &etr_work); - } -} - -/* - * ETR sync check machine check. This is called when the ETR OTE and the - * local clock OTE are farther apart than the ETR sync check tolerance. - * After a ETR sync check the clock is not in sync. The machine check - * is broadcasted to all cpus at the same time. - */ -void etr_sync_check(void) -{ - if (!etr_eacr.es) - return; - disable_sync_clock(NULL); - if (!test_and_set_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) { - etr_eacr.es = 0; - etr_setr(&etr_eacr); - queue_work(time_sync_wq, &etr_work); - } -} - -/* - * ETR timing alert. There are two causes: - * 1) port state change, check the usability of the port - * 2) port alert, one of the ETR-data-validity bits (v1-v2 bits of the - * sldr-status word) or ETR-data word 1 (edf1) or ETR-data word 3 (edf3) - * or ETR-data word 4 (edf4) has changed. - */ -static void etr_timing_alert(struct etr_irq_parm *intparm) -{ - if (intparm->pc0) - /* ETR port 0 state change. */ - set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); - if (intparm->pc1) - /* ETR port 1 state change. */ - set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); - if (intparm->eai) - /* - * ETR port alert on either port 0, 1 or both. - * Both ports are not up-to-date now. - */ - set_bit(ETR_EVENT_PORT_ALERT, &etr_events); - queue_work(time_sync_wq, &etr_work); -} - -static void etr_timeout(unsigned long dummy) -{ - set_bit(ETR_EVENT_UPDATE, &etr_events); - queue_work(time_sync_wq, &etr_work); -} - -/* - * Check if the etr mode is pss. - */ -static inline int etr_mode_is_pps(struct etr_eacr eacr) -{ - return eacr.es && !eacr.sl; -} - -/* - * Check if the etr mode is etr. - */ -static inline int etr_mode_is_etr(struct etr_eacr eacr) -{ - return eacr.es && eacr.sl; -} - -/* - * Check if the port can be used for TOD synchronization. - * For PPS mode the port has to receive OTEs. For ETR mode - * the port has to receive OTEs, the ETR stepping bit has to - * be zero and the validity bits for data frame 1, 2, and 3 - * have to be 1. - */ -static int etr_port_valid(struct etr_aib *aib, int port) -{ - unsigned int psc; - - /* Check that this port is receiving OTEs. */ - if (aib->tsp == 0) - return 0; - - psc = port ? aib->esw.psc1 : aib->esw.psc0; - if (psc == etr_lpsc_pps_mode) - return 1; - if (psc == etr_lpsc_operational_step) - return !aib->esw.y && aib->slsw.v1 && - aib->slsw.v2 && aib->slsw.v3; - return 0; -} - -/* - * Check if two ports are on the same network. - */ -static int etr_compare_network(struct etr_aib *aib1, struct etr_aib *aib2) -{ - // FIXME: any other fields we have to compare? - return aib1->edf1.net_id == aib2->edf1.net_id; -} - -/* - * Wrapper for etr_stei that converts physical port states - * to logical port states to be consistent with the output - * of stetr (see etr_psc vs. etr_lpsc). - */ -static void etr_steai_cv(struct etr_aib *aib, unsigned int func) -{ - BUG_ON(etr_steai(aib, func) != 0); - /* Convert port state to logical port state. */ - if (aib->esw.psc0 == 1) - aib->esw.psc0 = 2; - else if (aib->esw.psc0 == 0 && aib->esw.p == 0) - aib->esw.psc0 = 1; - if (aib->esw.psc1 == 1) - aib->esw.psc1 = 2; - else if (aib->esw.psc1 == 0 && aib->esw.p == 1) - aib->esw.psc1 = 1; -} - -/* - * Check if the aib a2 is still connected to the same attachment as - * aib a1, the etv values differ by one and a2 is valid. - */ -static int etr_aib_follows(struct etr_aib *a1, struct etr_aib *a2, int p) -{ - int state_a1, state_a2; - - /* Paranoia check: e0/e1 should better be the same. */ - if (a1->esw.eacr.e0 != a2->esw.eacr.e0 || - a1->esw.eacr.e1 != a2->esw.eacr.e1) - return 0; - - /* Still connected to the same etr ? */ - state_a1 = p ? a1->esw.psc1 : a1->esw.psc0; - state_a2 = p ? a2->esw.psc1 : a2->esw.psc0; - if (state_a1 == etr_lpsc_operational_step) { - if (state_a2 != etr_lpsc_operational_step || - a1->edf1.net_id != a2->edf1.net_id || - a1->edf1.etr_id != a2->edf1.etr_id || - a1->edf1.etr_pn != a2->edf1.etr_pn) - return 0; - } else if (state_a2 != etr_lpsc_pps_mode) - return 0; - - /* The ETV value of a2 needs to be ETV of a1 + 1. */ - if (a1->edf2.etv + 1 != a2->edf2.etv) - return 0; - - if (!etr_port_valid(a2, p)) - return 0; - - return 1; -} - -struct clock_sync_data { - atomic_t cpus; - int in_sync; - unsigned long long fixup_cc; - int etr_port; - struct etr_aib *etr_aib; -}; - -static void clock_sync_cpu(struct clock_sync_data *sync) -{ - atomic_dec(&sync->cpus); - enable_sync_clock(); - /* - * This looks like a busy wait loop but it isn't. etr_sync_cpus - * is called on all other cpus while the TOD clocks is stopped. - * __udelay will stop the cpu on an enabled wait psw until the - * TOD is running again. - */ - while (sync->in_sync == 0) { - __udelay(1); - /* - * A different cpu changes *in_sync. Therefore use - * barrier() to force memory access. - */ - barrier(); - } - if (sync->in_sync != 1) - /* Didn't work. Clear per-cpu in sync bit again. */ - disable_sync_clock(NULL); - /* - * This round of TOD syncing is done. Set the clock comparator - * to the next tick and let the processor continue. - */ - fixup_clock_comparator(sync->fixup_cc); -} - -/* - * Sync the TOD clock using the port referred to by aibp. This port - * has to be enabled and the other port has to be disabled. The - * last eacr update has to be more than 1.6 seconds in the past. - */ -static int etr_sync_clock(void *data) -{ - static int first; - unsigned long long clock, old_clock, delay, delta; - struct clock_sync_data *etr_sync; - struct etr_aib *sync_port, *aib; - int port; - int rc; - - etr_sync = data; - - if (xchg(&first, 1) == 1) { - /* Slave */ - clock_sync_cpu(etr_sync); - return 0; - } - - /* Wait until all other cpus entered the sync function. */ - while (atomic_read(&etr_sync->cpus) != 0) - cpu_relax(); - - port = etr_sync->etr_port; - aib = etr_sync->etr_aib; - sync_port = (port == 0) ? &etr_port0 : &etr_port1; - enable_sync_clock(); - - /* Set clock to next OTE. */ - __ctl_set_bit(14, 21); - __ctl_set_bit(0, 29); - clock = ((unsigned long long) (aib->edf2.etv + 1)) << 32; - old_clock = get_clock(); - if (set_clock(clock) == 0) { - __udelay(1); /* Wait for the clock to start. */ - __ctl_clear_bit(0, 29); - __ctl_clear_bit(14, 21); - etr_stetr(aib); - /* Adjust Linux timing variables. */ - delay = (unsigned long long) - (aib->edf2.etv - sync_port->edf2.etv) << 32; - delta = adjust_time(old_clock, clock, delay); - etr_sync->fixup_cc = delta; - fixup_clock_comparator(delta); - /* Verify that the clock is properly set. */ - if (!etr_aib_follows(sync_port, aib, port)) { - /* Didn't work. */ - disable_sync_clock(NULL); - etr_sync->in_sync = -EAGAIN; - rc = -EAGAIN; - } else { - etr_sync->in_sync = 1; - rc = 0; - } - } else { - /* Could not set the clock ?!? */ - __ctl_clear_bit(0, 29); - __ctl_clear_bit(14, 21); - disable_sync_clock(NULL); - etr_sync->in_sync = -EAGAIN; - rc = -EAGAIN; - } - xchg(&first, 0); - return rc; -} - -static int etr_sync_clock_stop(struct etr_aib *aib, int port) -{ - struct clock_sync_data etr_sync; - struct etr_aib *sync_port; - int follows; - int rc; - - /* Check if the current aib is adjacent to the sync port aib. */ - sync_port = (port == 0) ? &etr_port0 : &etr_port1; - follows = etr_aib_follows(sync_port, aib, port); - memcpy(sync_port, aib, sizeof(*aib)); - if (!follows) - return -EAGAIN; - memset(&etr_sync, 0, sizeof(etr_sync)); - etr_sync.etr_aib = aib; - etr_sync.etr_port = port; - get_online_cpus(); - atomic_set(&etr_sync.cpus, num_online_cpus() - 1); - rc = stop_machine(etr_sync_clock, &etr_sync, cpu_online_mask); - put_online_cpus(); - return rc; -} - -/* - * Handle the immediate effects of the different events. - * The port change event is used for online/offline changes. - */ -static struct etr_eacr etr_handle_events(struct etr_eacr eacr) -{ - if (test_and_clear_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) - eacr.es = 0; - if (test_and_clear_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) - eacr.es = eacr.sl = 0; - if (test_and_clear_bit(ETR_EVENT_PORT_ALERT, &etr_events)) - etr_port0_uptodate = etr_port1_uptodate = 0; - - if (test_and_clear_bit(ETR_EVENT_PORT0_CHANGE, &etr_events)) { - if (eacr.e0) - /* - * Port change of an enabled port. We have to - * assume that this can have caused an stepping - * port switch. - */ - etr_tolec = get_clock(); - eacr.p0 = etr_port0_online; - if (!eacr.p0) - eacr.e0 = 0; - etr_port0_uptodate = 0; - } - if (test_and_clear_bit(ETR_EVENT_PORT1_CHANGE, &etr_events)) { - if (eacr.e1) - /* - * Port change of an enabled port. We have to - * assume that this can have caused an stepping - * port switch. - */ - etr_tolec = get_clock(); - eacr.p1 = etr_port1_online; - if (!eacr.p1) - eacr.e1 = 0; - etr_port1_uptodate = 0; - } - clear_bit(ETR_EVENT_UPDATE, &etr_events); - return eacr; -} - -/* - * Set up a timer that expires after the etr_tolec + 1.6 seconds if - * one of the ports needs an update. - */ -static void etr_set_tolec_timeout(unsigned long long now) -{ - unsigned long micros; - - if ((!etr_eacr.p0 || etr_port0_uptodate) && - (!etr_eacr.p1 || etr_port1_uptodate)) - return; - micros = (now > etr_tolec) ? ((now - etr_tolec) >> 12) : 0; - micros = (micros > 1600000) ? 0 : 1600000 - micros; - mod_timer(&etr_timer, jiffies + (micros * HZ) / 1000000 + 1); -} - -/* - * Set up a time that expires after 1/2 second. - */ -static void etr_set_sync_timeout(void) -{ - mod_timer(&etr_timer, jiffies + HZ/2); -} - -/* - * Update the aib information for one or both ports. - */ -static struct etr_eacr etr_handle_update(struct etr_aib *aib, - struct etr_eacr eacr) -{ - /* With both ports disabled the aib information is useless. */ - if (!eacr.e0 && !eacr.e1) - return eacr; - - /* Update port0 or port1 with aib stored in etr_work_fn. */ - if (aib->esw.q == 0) { - /* Information for port 0 stored. */ - if (eacr.p0 && !etr_port0_uptodate) { - etr_port0 = *aib; - if (etr_port0_online) - etr_port0_uptodate = 1; - } - } else { - /* Information for port 1 stored. */ - if (eacr.p1 && !etr_port1_uptodate) { - etr_port1 = *aib; - if (etr_port0_online) - etr_port1_uptodate = 1; - } - } - - /* - * Do not try to get the alternate port aib if the clock - * is not in sync yet. - */ - if (!eacr.es || !check_sync_clock()) - return eacr; - - /* - * If steai is available we can get the information about - * the other port immediately. If only stetr is available the - * data-port bit toggle has to be used. - */ - if (etr_steai_available) { - if (eacr.p0 && !etr_port0_uptodate) { - etr_steai_cv(&etr_port0, ETR_STEAI_PORT_0); - etr_port0_uptodate = 1; - } - if (eacr.p1 && !etr_port1_uptodate) { - etr_steai_cv(&etr_port1, ETR_STEAI_PORT_1); - etr_port1_uptodate = 1; - } - } else { - /* - * One port was updated above, if the other - * port is not uptodate toggle dp bit. - */ - if ((eacr.p0 && !etr_port0_uptodate) || - (eacr.p1 && !etr_port1_uptodate)) - eacr.dp ^= 1; - else - eacr.dp = 0; - } - return eacr; -} - -/* - * Write new etr control register if it differs from the current one. - * Return 1 if etr_tolec has been updated as well. - */ -static void etr_update_eacr(struct etr_eacr eacr) -{ - int dp_changed; - - if (memcmp(&etr_eacr, &eacr, sizeof(eacr)) == 0) - /* No change, return. */ - return; - /* - * The disable of an active port of the change of the data port - * bit can/will cause a change in the data port. - */ - dp_changed = etr_eacr.e0 > eacr.e0 || etr_eacr.e1 > eacr.e1 || - (etr_eacr.dp ^ eacr.dp) != 0; - etr_eacr = eacr; - etr_setr(&etr_eacr); - if (dp_changed) - etr_tolec = get_clock(); -} - -/* - * ETR work. In this function you'll find the main logic. In - * particular this is the only function that calls etr_update_eacr(), - * it "controls" the etr control register. - */ -static void etr_work_fn(struct work_struct *work) -{ - unsigned long long now; - struct etr_eacr eacr; - struct etr_aib aib; - int sync_port; - - /* prevent multiple execution. */ - mutex_lock(&etr_work_mutex); - - /* Create working copy of etr_eacr. */ - eacr = etr_eacr; - - /* Check for the different events and their immediate effects. */ - eacr = etr_handle_events(eacr); - - /* Check if ETR is supposed to be active. */ - eacr.ea = eacr.p0 || eacr.p1; - if (!eacr.ea) { - /* Both ports offline. Reset everything. */ - eacr.dp = eacr.es = eacr.sl = 0; - on_each_cpu(disable_sync_clock, NULL, 1); - del_timer_sync(&etr_timer); - etr_update_eacr(eacr); - goto out_unlock; - } - - /* Store aib to get the current ETR status word. */ - BUG_ON(etr_stetr(&aib) != 0); - etr_port0.esw = etr_port1.esw = aib.esw; /* Copy status word. */ - now = get_clock(); - - /* - * Update the port information if the last stepping port change - * or data port change is older than 1.6 seconds. - */ - if (now >= etr_tolec + (1600000 << 12)) - eacr = etr_handle_update(&aib, eacr); - - /* - * Select ports to enable. The preferred synchronization mode is PPS. - * If a port can be enabled depends on a number of things: - * 1) The port needs to be online and uptodate. A port is not - * disabled just because it is not uptodate, but it is only - * enabled if it is uptodate. - * 2) The port needs to have the same mode (pps / etr). - * 3) The port needs to be usable -> etr_port_valid() == 1 - * 4) To enable the second port the clock needs to be in sync. - * 5) If both ports are useable and are ETR ports, the network id - * has to be the same. - * The eacr.sl bit is used to indicate etr mode vs. pps mode. - */ - if (eacr.p0 && aib.esw.psc0 == etr_lpsc_pps_mode) { - eacr.sl = 0; - eacr.e0 = 1; - if (!etr_mode_is_pps(etr_eacr)) - eacr.es = 0; - if (!eacr.es || !eacr.p1 || aib.esw.psc1 != etr_lpsc_pps_mode) - eacr.e1 = 0; - // FIXME: uptodate checks ? - else if (etr_port0_uptodate && etr_port1_uptodate) - eacr.e1 = 1; - sync_port = (etr_port0_uptodate && - etr_port_valid(&etr_port0, 0)) ? 0 : -1; - } else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_pps_mode) { - eacr.sl = 0; - eacr.e0 = 0; - eacr.e1 = 1; - if (!etr_mode_is_pps(etr_eacr)) - eacr.es = 0; - sync_port = (etr_port1_uptodate && - etr_port_valid(&etr_port1, 1)) ? 1 : -1; - } else if (eacr.p0 && aib.esw.psc0 == etr_lpsc_operational_step) { - eacr.sl = 1; - eacr.e0 = 1; - if (!etr_mode_is_etr(etr_eacr)) - eacr.es = 0; - if (!eacr.es || !eacr.p1 || - aib.esw.psc1 != etr_lpsc_operational_alt) - eacr.e1 = 0; - else if (etr_port0_uptodate && etr_port1_uptodate && - etr_compare_network(&etr_port0, &etr_port1)) - eacr.e1 = 1; - sync_port = (etr_port0_uptodate && - etr_port_valid(&etr_port0, 0)) ? 0 : -1; - } else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_operational_step) { - eacr.sl = 1; - eacr.e0 = 0; - eacr.e1 = 1; - if (!etr_mode_is_etr(etr_eacr)) - eacr.es = 0; - sync_port = (etr_port1_uptodate && - etr_port_valid(&etr_port1, 1)) ? 1 : -1; - } else { - /* Both ports not usable. */ - eacr.es = eacr.sl = 0; - sync_port = -1; - } - - /* - * If the clock is in sync just update the eacr and return. - * If there is no valid sync port wait for a port update. - */ - if ((eacr.es && check_sync_clock()) || sync_port < 0) { - etr_update_eacr(eacr); - etr_set_tolec_timeout(now); - goto out_unlock; - } - - /* - * Prepare control register for clock syncing - * (reset data port bit, set sync check control. - */ - eacr.dp = 0; - eacr.es = 1; - - /* - * Update eacr and try to synchronize the clock. If the update - * of eacr caused a stepping port switch (or if we have to - * assume that a stepping port switch has occurred) or the - * clock syncing failed, reset the sync check control bit - * and set up a timer to try again after 0.5 seconds - */ - etr_update_eacr(eacr); - if (now < etr_tolec + (1600000 << 12) || - etr_sync_clock_stop(&aib, sync_port) != 0) { - /* Sync failed. Try again in 1/2 second. */ - eacr.es = 0; - etr_update_eacr(eacr); - etr_set_sync_timeout(); - } else - etr_set_tolec_timeout(now); -out_unlock: - mutex_unlock(&etr_work_mutex); -} - -/* - * Sysfs interface functions - */ -static struct bus_type etr_subsys = { - .name = "etr", - .dev_name = "etr", -}; - -static struct device etr_port0_dev = { - .id = 0, - .bus = &etr_subsys, -}; - -static struct device etr_port1_dev = { - .id = 1, - .bus = &etr_subsys, -}; - -/* - * ETR subsys attributes - */ -static ssize_t etr_stepping_port_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%i\n", etr_port0.esw.p); -} - -static DEVICE_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); - -static ssize_t etr_stepping_mode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - char *mode_str; - - if (etr_mode_is_pps(etr_eacr)) - mode_str = "pps"; - else if (etr_mode_is_etr(etr_eacr)) - mode_str = "etr"; - else - mode_str = "local"; - return sprintf(buf, "%s\n", mode_str); -} - -static DEVICE_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); - -/* - * ETR port attributes - */ -static inline struct etr_aib *etr_aib_from_dev(struct device *dev) -{ - if (dev == &etr_port0_dev) - return etr_port0_online ? &etr_port0 : NULL; - else - return etr_port1_online ? &etr_port1 : NULL; -} - -static ssize_t etr_online_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - unsigned int online; - - online = (dev == &etr_port0_dev) ? etr_port0_online : etr_port1_online; - return sprintf(buf, "%i\n", online); -} - -static ssize_t etr_online_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned int value; - - value = simple_strtoul(buf, NULL, 0); - if (value != 0 && value != 1) - return -EINVAL; - if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags)) - return -EOPNOTSUPP; - mutex_lock(&clock_sync_mutex); - if (dev == &etr_port0_dev) { - if (etr_port0_online == value) - goto out; /* Nothing to do. */ - etr_port0_online = value; - if (etr_port0_online && etr_port1_online) - set_bit(CLOCK_SYNC_ETR, &clock_sync_flags); - else - clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags); - set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); - queue_work(time_sync_wq, &etr_work); - } else { - if (etr_port1_online == value) - goto out; /* Nothing to do. */ - etr_port1_online = value; - if (etr_port0_online && etr_port1_online) - set_bit(CLOCK_SYNC_ETR, &clock_sync_flags); - else - clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags); - set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); - queue_work(time_sync_wq, &etr_work); - } -out: - mutex_unlock(&clock_sync_mutex); - return count; -} - -static DEVICE_ATTR(online, 0600, etr_online_show, etr_online_store); - -static ssize_t etr_stepping_control_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? - etr_eacr.e0 : etr_eacr.e1); -} - -static DEVICE_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); - -static ssize_t etr_mode_code_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - if (!etr_port0_online && !etr_port1_online) - /* Status word is not uptodate if both ports are offline. */ - return -ENODATA; - return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? - etr_port0.esw.psc0 : etr_port0.esw.psc1); -} - -static DEVICE_ATTR(state_code, 0400, etr_mode_code_show, NULL); - -static ssize_t etr_untuned_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v1) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf1.u); -} - -static DEVICE_ATTR(untuned, 0400, etr_untuned_show, NULL); - -static ssize_t etr_network_id_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v1) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf1.net_id); -} - -static DEVICE_ATTR(network, 0400, etr_network_id_show, NULL); - -static ssize_t etr_id_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v1) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf1.etr_id); -} - -static DEVICE_ATTR(id, 0400, etr_id_show, NULL); - -static ssize_t etr_port_number_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v1) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf1.etr_pn); -} - -static DEVICE_ATTR(port, 0400, etr_port_number_show, NULL); - -static ssize_t etr_coupled_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v3) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf3.c); -} - -static DEVICE_ATTR(coupled, 0400, etr_coupled_show, NULL); - -static ssize_t etr_local_time_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v3) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf3.blto); -} - -static DEVICE_ATTR(local_time, 0400, etr_local_time_show, NULL); - -static ssize_t etr_utc_offset_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct etr_aib *aib = etr_aib_from_dev(dev); - - if (!aib || !aib->slsw.v3) - return -ENODATA; - return sprintf(buf, "%i\n", aib->edf3.buo); -} - -static DEVICE_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); - -static struct device_attribute *etr_port_attributes[] = { - &dev_attr_online, - &dev_attr_stepping_control, - &dev_attr_state_code, - &dev_attr_untuned, - &dev_attr_network, - &dev_attr_id, - &dev_attr_port, - &dev_attr_coupled, - &dev_attr_local_time, - &dev_attr_utc_offset, - NULL -}; - -static int __init etr_register_port(struct device *dev) -{ - struct device_attribute **attr; - int rc; - - rc = device_register(dev); - if (rc) - goto out; - for (attr = etr_port_attributes; *attr; attr++) { - rc = device_create_file(dev, *attr); - if (rc) - goto out_unreg; - } - return 0; -out_unreg: - for (; attr >= etr_port_attributes; attr--) - device_remove_file(dev, *attr); - device_unregister(dev); -out: - return rc; -} - -static void __init etr_unregister_port(struct device *dev) -{ - struct device_attribute **attr; - - for (attr = etr_port_attributes; *attr; attr++) - device_remove_file(dev, *attr); - device_unregister(dev); -} - -static int __init etr_init_sysfs(void) -{ - int rc; - - rc = subsys_system_register(&etr_subsys, NULL); - if (rc) - goto out; - rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_port); - if (rc) - goto out_unreg_subsys; - rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_mode); - if (rc) - goto out_remove_stepping_port; - rc = etr_register_port(&etr_port0_dev); - if (rc) - goto out_remove_stepping_mode; - rc = etr_register_port(&etr_port1_dev); - if (rc) - goto out_remove_port0; - return 0; - -out_remove_port0: - etr_unregister_port(&etr_port0_dev); -out_remove_stepping_mode: - device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_mode); -out_remove_stepping_port: - device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_port); -out_unreg_subsys: - bus_unregister(&etr_subsys); -out: - return rc; -} - -device_initcall(etr_init_sysfs); - -/* - * Server Time Protocol (STP) code. - */ -static int stp_online; -static struct stp_sstpi stp_info; -static void *stp_page; - -static void stp_work_fn(struct work_struct *work); -static DEFINE_MUTEX(stp_work_mutex); -static DECLARE_WORK(stp_work, stp_work_fn); -static struct timer_list stp_timer; - -static int __init early_parse_stp(char *p) -{ - if (strncmp(p, "off", 3) == 0) - stp_online = 0; - else if (strncmp(p, "on", 2) == 0) - stp_online = 1; - return 0; -} -early_param("stp", early_parse_stp); - -/* - * Reset STP attachment. - */ -static void __init stp_reset(void) -{ - int rc; - - stp_page = (void *) get_zeroed_page(GFP_ATOMIC); - rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000); - if (rc == 0) - set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags); - else if (stp_online) { - pr_warning("The real or virtual hardware system does " - "not provide an STP interface\n"); - free_page((unsigned long) stp_page); - stp_page = NULL; - stp_online = 0; - } -} - -static void stp_timeout(unsigned long dummy) -{ - queue_work(time_sync_wq, &stp_work); -} - -static int __init stp_init(void) -{ - if (!test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags)) - return 0; - setup_timer(&stp_timer, stp_timeout, 0UL); - time_init_wq(); - if (!stp_online) - return 0; - queue_work(time_sync_wq, &stp_work); - return 0; -} - -arch_initcall(stp_init); - -/* - * STP timing alert. There are three causes: - * 1) timing status change - * 2) link availability change - * 3) time control parameter change - * In all three cases we are only interested in the clock source state. - * If a STP clock source is now available use it. - */ -static void stp_timing_alert(struct stp_irq_parm *intparm) -{ - if (intparm->tsc || intparm->lac || intparm->tcpc) - queue_work(time_sync_wq, &stp_work); -} - -/* - * STP sync check machine check. This is called when the timing state - * changes from the synchronized state to the unsynchronized state. - * After a STP sync check the clock is not in sync. The machine check - * is broadcasted to all cpus at the same time. - */ -void stp_sync_check(void) -{ - disable_sync_clock(NULL); - queue_work(time_sync_wq, &stp_work); -} - -/* - * STP island condition machine check. This is called when an attached - * server attempts to communicate over an STP link and the servers - * have matching CTN ids and have a valid stratum-1 configuration - * but the configurations do not match. - */ -void stp_island_check(void) -{ - disable_sync_clock(NULL); - queue_work(time_sync_wq, &stp_work); -} - - -static int stp_sync_clock(void *data) -{ - static int first; - unsigned long long old_clock, delta; - struct clock_sync_data *stp_sync; - int rc; - - stp_sync = data; - - if (xchg(&first, 1) == 1) { - /* Slave */ - clock_sync_cpu(stp_sync); - return 0; - } - - /* Wait until all other cpus entered the sync function. */ - while (atomic_read(&stp_sync->cpus) != 0) - cpu_relax(); - - enable_sync_clock(); - - rc = 0; - if (stp_info.todoff[0] || stp_info.todoff[1] || - stp_info.todoff[2] || stp_info.todoff[3] || - stp_info.tmd != 2) { - old_clock = get_clock(); - rc = chsc_sstpc(stp_page, STP_OP_SYNC, 0); - if (rc == 0) { - delta = adjust_time(old_clock, get_clock(), 0); - fixup_clock_comparator(delta); - rc = chsc_sstpi(stp_page, &stp_info, - sizeof(struct stp_sstpi)); - if (rc == 0 && stp_info.tmd != 2) - rc = -EAGAIN; - } - } - if (rc) { - disable_sync_clock(NULL); - stp_sync->in_sync = -EAGAIN; - } else - stp_sync->in_sync = 1; - xchg(&first, 0); - return 0; -} - -/* - * STP work. Check for the STP state and take over the clock - * synchronization if the STP clock source is usable. - */ -static void stp_work_fn(struct work_struct *work) -{ - struct clock_sync_data stp_sync; - int rc; - - /* prevent multiple execution. */ - mutex_lock(&stp_work_mutex); - - if (!stp_online) { - chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000); - del_timer_sync(&stp_timer); - goto out_unlock; - } - - rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0xb0e0); - if (rc) - goto out_unlock; - - rc = chsc_sstpi(stp_page, &stp_info, sizeof(struct stp_sstpi)); - if (rc || stp_info.c == 0) - goto out_unlock; - - /* Skip synchronization if the clock is already in sync. */ - if (check_sync_clock()) - goto out_unlock; - - memset(&stp_sync, 0, sizeof(stp_sync)); - get_online_cpus(); - atomic_set(&stp_sync.cpus, num_online_cpus() - 1); - stop_machine(stp_sync_clock, &stp_sync, cpu_online_mask); - put_online_cpus(); - - if (!check_sync_clock()) - /* - * There is a usable clock but the synchonization failed. - * Retry after a second. - */ - mod_timer(&stp_timer, jiffies + HZ); - -out_unlock: - mutex_unlock(&stp_work_mutex); -} - -/* - * STP subsys sysfs interface functions - */ -static struct bus_type stp_subsys = { - .name = "stp", - .dev_name = "stp", -}; - -static ssize_t stp_ctn_id_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online) - return -ENODATA; - return sprintf(buf, "%016llx\n", - *(unsigned long long *) stp_info.ctnid); -} - -static DEVICE_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL); - -static ssize_t stp_ctn_type_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online) - return -ENODATA; - return sprintf(buf, "%i\n", stp_info.ctn); -} - -static DEVICE_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL); - -static ssize_t stp_dst_offset_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online || !(stp_info.vbits & 0x2000)) - return -ENODATA; - return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto); -} - -static DEVICE_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL); - -static ssize_t stp_leap_seconds_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online || !(stp_info.vbits & 0x8000)) - return -ENODATA; - return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps); -} - -static DEVICE_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL); - -static ssize_t stp_stratum_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online) - return -ENODATA; - return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum); -} - -static DEVICE_ATTR(stratum, 0400, stp_stratum_show, NULL); - -static ssize_t stp_time_offset_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online || !(stp_info.vbits & 0x0800)) - return -ENODATA; - return sprintf(buf, "%i\n", (int) stp_info.tto); -} - -static DEVICE_ATTR(time_offset, 0400, stp_time_offset_show, NULL); - -static ssize_t stp_time_zone_offset_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online || !(stp_info.vbits & 0x4000)) - return -ENODATA; - return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo); -} - -static DEVICE_ATTR(time_zone_offset, 0400, - stp_time_zone_offset_show, NULL); - -static ssize_t stp_timing_mode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online) - return -ENODATA; - return sprintf(buf, "%i\n", stp_info.tmd); -} - -static DEVICE_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL); - -static ssize_t stp_timing_state_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (!stp_online) - return -ENODATA; - return sprintf(buf, "%i\n", stp_info.tst); -} - -static DEVICE_ATTR(timing_state, 0400, stp_timing_state_show, NULL); - -static ssize_t stp_online_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%i\n", stp_online); -} - -static ssize_t stp_online_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned int value; - - value = simple_strtoul(buf, NULL, 0); - if (value != 0 && value != 1) - return -EINVAL; - if (!test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags)) - return -EOPNOTSUPP; - mutex_lock(&clock_sync_mutex); - stp_online = value; - if (stp_online) - set_bit(CLOCK_SYNC_STP, &clock_sync_flags); - else - clear_bit(CLOCK_SYNC_STP, &clock_sync_flags); - queue_work(time_sync_wq, &stp_work); - mutex_unlock(&clock_sync_mutex); - return count; -} - -/* - * Can't use DEVICE_ATTR because the attribute should be named - * stp/online but dev_attr_online already exists in this file .. - */ -static struct device_attribute dev_attr_stp_online = { - .attr = { .name = "online", .mode = 0600 }, - .show = stp_online_show, - .store = stp_online_store, -}; - -static struct device_attribute *stp_attributes[] = { - &dev_attr_ctn_id, - &dev_attr_ctn_type, - &dev_attr_dst_offset, - &dev_attr_leap_seconds, - &dev_attr_stp_online, - &dev_attr_stratum, - &dev_attr_time_offset, - &dev_attr_time_zone_offset, - &dev_attr_timing_mode, - &dev_attr_timing_state, - NULL -}; - -static int __init stp_init_sysfs(void) -{ - struct device_attribute **attr; - int rc; - - rc = subsys_system_register(&stp_subsys, NULL); - if (rc) - goto out; - for (attr = stp_attributes; *attr; attr++) { - rc = device_create_file(stp_subsys.dev_root, *attr); - if (rc) - goto out_unreg; - } - return 0; -out_unreg: - for (; attr >= stp_attributes; attr--) - device_remove_file(stp_subsys.dev_root, *attr); - bus_unregister(&stp_subsys); -out: - return rc; -} - -device_initcall(stp_init_sysfs); diff --git a/ANDROID_3.4.5/arch/s390/kernel/topology.c b/ANDROID_3.4.5/arch/s390/kernel/topology.c deleted file mode 100644 index 4f8dc942..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/topology.c +++ /dev/null @@ -1,465 +0,0 @@ -/* - * Copyright IBM Corp. 2007,2011 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#define KMSG_COMPONENT "cpu" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/workqueue.h> -#include <linux/bootmem.h> -#include <linux/cpuset.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/cpu.h> -#include <linux/smp.h> -#include <linux/mm.h> - -#define PTF_HORIZONTAL (0UL) -#define PTF_VERTICAL (1UL) -#define PTF_CHECK (2UL) - -struct mask_info { - struct mask_info *next; - unsigned char id; - cpumask_t mask; -}; - -static int topology_enabled = 1; -static void topology_work_fn(struct work_struct *work); -static struct sysinfo_15_1_x *tl_info; -static void set_topology_timer(void); -static DECLARE_WORK(topology_work, topology_work_fn); -/* topology_lock protects the core linked list */ -static DEFINE_SPINLOCK(topology_lock); - -static struct mask_info core_info; -cpumask_t cpu_core_map[NR_CPUS]; -unsigned char cpu_core_id[NR_CPUS]; - -static struct mask_info book_info; -cpumask_t cpu_book_map[NR_CPUS]; -unsigned char cpu_book_id[NR_CPUS]; - -/* smp_cpu_state_mutex must be held when accessing this array */ -int cpu_polarization[NR_CPUS]; - -static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) -{ - cpumask_t mask; - - cpumask_clear(&mask); - if (!topology_enabled || !MACHINE_HAS_TOPOLOGY) { - cpumask_copy(&mask, cpumask_of(cpu)); - return mask; - } - while (info) { - if (cpumask_test_cpu(cpu, &info->mask)) { - mask = info->mask; - break; - } - info = info->next; - } - if (cpumask_empty(&mask)) - cpumask_copy(&mask, cpumask_of(cpu)); - return mask; -} - -static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, - struct mask_info *book, - struct mask_info *core, - int one_core_per_cpu) -{ - unsigned int cpu; - - for (cpu = find_first_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS); - cpu < TOPOLOGY_CPU_BITS; - cpu = find_next_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS, cpu + 1)) - { - unsigned int rcpu; - int lcpu; - - rcpu = TOPOLOGY_CPU_BITS - 1 - cpu + tl_cpu->origin; - lcpu = smp_find_processor_id(rcpu); - if (lcpu >= 0) { - cpumask_set_cpu(lcpu, &book->mask); - cpu_book_id[lcpu] = book->id; - cpumask_set_cpu(lcpu, &core->mask); - if (one_core_per_cpu) { - cpu_core_id[lcpu] = rcpu; - core = core->next; - } else { - cpu_core_id[lcpu] = core->id; - } - cpu_set_polarization(lcpu, tl_cpu->pp); - } - } - return core; -} - -static void clear_masks(void) -{ - struct mask_info *info; - - info = &core_info; - while (info) { - cpumask_clear(&info->mask); - info = info->next; - } - info = &book_info; - while (info) { - cpumask_clear(&info->mask); - info = info->next; - } -} - -static union topology_entry *next_tle(union topology_entry *tle) -{ - if (!tle->nl) - return (union topology_entry *)((struct topology_cpu *)tle + 1); - return (union topology_entry *)((struct topology_container *)tle + 1); -} - -static void __tl_to_cores_generic(struct sysinfo_15_1_x *info) -{ - struct mask_info *core = &core_info; - struct mask_info *book = &book_info; - union topology_entry *tle, *end; - - tle = info->tle; - end = (union topology_entry *)((unsigned long)info + info->length); - while (tle < end) { - switch (tle->nl) { - case 2: - book = book->next; - book->id = tle->container.id; - break; - case 1: - core = core->next; - core->id = tle->container.id; - break; - case 0: - add_cpus_to_mask(&tle->cpu, book, core, 0); - break; - default: - clear_masks(); - return; - } - tle = next_tle(tle); - } -} - -static void __tl_to_cores_z10(struct sysinfo_15_1_x *info) -{ - struct mask_info *core = &core_info; - struct mask_info *book = &book_info; - union topology_entry *tle, *end; - - tle = info->tle; - end = (union topology_entry *)((unsigned long)info + info->length); - while (tle < end) { - switch (tle->nl) { - case 1: - book = book->next; - book->id = tle->container.id; - break; - case 0: - core = add_cpus_to_mask(&tle->cpu, book, core, 1); - break; - default: - clear_masks(); - return; - } - tle = next_tle(tle); - } -} - -static void tl_to_cores(struct sysinfo_15_1_x *info) -{ - struct cpuid cpu_id; - - get_cpu_id(&cpu_id); - spin_lock_irq(&topology_lock); - clear_masks(); - switch (cpu_id.machine) { - case 0x2097: - case 0x2098: - __tl_to_cores_z10(info); - break; - default: - __tl_to_cores_generic(info); - } - spin_unlock_irq(&topology_lock); -} - -static void topology_update_polarization_simple(void) -{ - int cpu; - - mutex_lock(&smp_cpu_state_mutex); - for_each_possible_cpu(cpu) - cpu_set_polarization(cpu, POLARIZATION_HRZ); - mutex_unlock(&smp_cpu_state_mutex); -} - -static int ptf(unsigned long fc) -{ - int rc; - - asm volatile( - " .insn rre,0xb9a20000,%1,%1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (rc) - : "d" (fc) : "cc"); - return rc; -} - -int topology_set_cpu_management(int fc) -{ - int cpu, rc; - - if (!MACHINE_HAS_TOPOLOGY) - return -EOPNOTSUPP; - if (fc) - rc = ptf(PTF_VERTICAL); - else - rc = ptf(PTF_HORIZONTAL); - if (rc) - return -EBUSY; - for_each_possible_cpu(cpu) - cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); - return rc; -} - -static void update_cpu_core_map(void) -{ - unsigned long flags; - int cpu; - - spin_lock_irqsave(&topology_lock, flags); - for_each_possible_cpu(cpu) { - cpu_core_map[cpu] = cpu_group_map(&core_info, cpu); - cpu_book_map[cpu] = cpu_group_map(&book_info, cpu); - } - spin_unlock_irqrestore(&topology_lock, flags); -} - -void store_topology(struct sysinfo_15_1_x *info) -{ - int rc; - - rc = stsi(info, 15, 1, 3); - if (rc != -ENOSYS) - return; - stsi(info, 15, 1, 2); -} - -int arch_update_cpu_topology(void) -{ - struct sysinfo_15_1_x *info = tl_info; - struct device *dev; - int cpu; - - if (!MACHINE_HAS_TOPOLOGY) { - update_cpu_core_map(); - topology_update_polarization_simple(); - return 0; - } - store_topology(info); - tl_to_cores(info); - update_cpu_core_map(); - for_each_online_cpu(cpu) { - dev = get_cpu_device(cpu); - kobject_uevent(&dev->kobj, KOBJ_CHANGE); - } - return 1; -} - -static void topology_work_fn(struct work_struct *work) -{ - rebuild_sched_domains(); -} - -void topology_schedule_update(void) -{ - schedule_work(&topology_work); -} - -static void topology_timer_fn(unsigned long ignored) -{ - if (ptf(PTF_CHECK)) - topology_schedule_update(); - set_topology_timer(); -} - -static struct timer_list topology_timer = - TIMER_DEFERRED_INITIALIZER(topology_timer_fn, 0, 0); - -static atomic_t topology_poll = ATOMIC_INIT(0); - -static void set_topology_timer(void) -{ - if (atomic_add_unless(&topology_poll, -1, 0)) - mod_timer(&topology_timer, jiffies + HZ / 10); - else - mod_timer(&topology_timer, jiffies + HZ * 60); -} - -void topology_expect_change(void) -{ - if (!MACHINE_HAS_TOPOLOGY) - return; - /* This is racy, but it doesn't matter since it is just a heuristic. - * Worst case is that we poll in a higher frequency for a bit longer. - */ - if (atomic_read(&topology_poll) > 60) - return; - atomic_add(60, &topology_poll); - set_topology_timer(); -} - -static int __init early_parse_topology(char *p) -{ - if (strncmp(p, "off", 3)) - return 0; - topology_enabled = 0; - return 0; -} -early_param("topology", early_parse_topology); - -static void __init alloc_masks(struct sysinfo_15_1_x *info, - struct mask_info *mask, int offset) -{ - int i, nr_masks; - - nr_masks = info->mag[TOPOLOGY_NR_MAG - offset]; - for (i = 0; i < info->mnest - offset; i++) - nr_masks *= info->mag[TOPOLOGY_NR_MAG - offset - 1 - i]; - nr_masks = max(nr_masks, 1); - for (i = 0; i < nr_masks; i++) { - mask->next = alloc_bootmem(sizeof(struct mask_info)); - mask = mask->next; - } -} - -void __init s390_init_cpu_topology(void) -{ - struct sysinfo_15_1_x *info; - int i; - - if (!MACHINE_HAS_TOPOLOGY) - return; - tl_info = alloc_bootmem_pages(PAGE_SIZE); - info = tl_info; - store_topology(info); - pr_info("The CPU configuration topology of the machine is:"); - for (i = 0; i < TOPOLOGY_NR_MAG; i++) - printk(KERN_CONT " %d", info->mag[i]); - printk(KERN_CONT " / %d\n", info->mnest); - alloc_masks(info, &core_info, 1); - alloc_masks(info, &book_info, 2); -} - -static int cpu_management; - -static ssize_t dispatching_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - ssize_t count; - - mutex_lock(&smp_cpu_state_mutex); - count = sprintf(buf, "%d\n", cpu_management); - mutex_unlock(&smp_cpu_state_mutex); - return count; -} - -static ssize_t dispatching_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - int val, rc; - char delim; - - if (sscanf(buf, "%d %c", &val, &delim) != 1) - return -EINVAL; - if (val != 0 && val != 1) - return -EINVAL; - rc = 0; - get_online_cpus(); - mutex_lock(&smp_cpu_state_mutex); - if (cpu_management == val) - goto out; - rc = topology_set_cpu_management(val); - if (rc) - goto out; - cpu_management = val; - topology_expect_change(); -out: - mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); - return rc ? rc : count; -} -static DEVICE_ATTR(dispatching, 0644, dispatching_show, - dispatching_store); - -static ssize_t cpu_polarization_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int cpu = dev->id; - ssize_t count; - - mutex_lock(&smp_cpu_state_mutex); - switch (cpu_read_polarization(cpu)) { - case POLARIZATION_HRZ: - count = sprintf(buf, "horizontal\n"); - break; - case POLARIZATION_VL: - count = sprintf(buf, "vertical:low\n"); - break; - case POLARIZATION_VM: - count = sprintf(buf, "vertical:medium\n"); - break; - case POLARIZATION_VH: - count = sprintf(buf, "vertical:high\n"); - break; - default: - count = sprintf(buf, "unknown\n"); - break; - } - mutex_unlock(&smp_cpu_state_mutex); - return count; -} -static DEVICE_ATTR(polarization, 0444, cpu_polarization_show, NULL); - -static struct attribute *topology_cpu_attrs[] = { - &dev_attr_polarization.attr, - NULL, -}; - -static struct attribute_group topology_cpu_attr_group = { - .attrs = topology_cpu_attrs, -}; - -int topology_cpu_init(struct cpu *cpu) -{ - return sysfs_create_group(&cpu->dev.kobj, &topology_cpu_attr_group); -} - -static int __init topology_init(void) -{ - if (!MACHINE_HAS_TOPOLOGY) { - topology_update_polarization_simple(); - goto out; - } - set_topology_timer(); -out: - update_cpu_core_map(); - return device_create_file(cpu_subsys.dev_root, &dev_attr_dispatching); -} -device_initcall(topology_init); diff --git a/ANDROID_3.4.5/arch/s390/kernel/traps.c b/ANDROID_3.4.5/arch/s390/kernel/traps.c deleted file mode 100644 index 77cdf423..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/traps.c +++ /dev/null @@ -1,656 +0,0 @@ -/* - * arch/s390/kernel/traps.c - * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), - * - * Derived from "arch/i386/kernel/traps.c" - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * 'Traps.c' handles hardware traps and faults after we have saved some - * state in 'asm.s'. - */ -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ptrace.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/seq_file.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/kdebug.h> -#include <linux/kallsyms.h> -#include <linux/reboot.h> -#include <linux/kprobes.h> -#include <linux/bug.h> -#include <linux/utsname.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <linux/atomic.h> -#include <asm/mathemu.h> -#include <asm/cpcmd.h> -#include <asm/lowcore.h> -#include <asm/debug.h> -#include <asm/ipl.h> -#include "entry.h" - -void (*pgm_check_table[128])(struct pt_regs *regs); - -int show_unhandled_signals = 1; - -#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; }) - -#ifndef CONFIG_64BIT -#define LONG "%08lx " -#define FOURLONG "%08lx %08lx %08lx %08lx\n" -static int kstack_depth_to_print = 12; -#else /* CONFIG_64BIT */ -#define LONG "%016lx " -#define FOURLONG "%016lx %016lx %016lx %016lx\n" -static int kstack_depth_to_print = 20; -#endif /* CONFIG_64BIT */ - -/* - * For show_trace we have tree different stack to consider: - * - the panic stack which is used if the kernel stack has overflown - * - the asynchronous interrupt stack (cpu related) - * - the synchronous kernel stack (process related) - * The stack trace can start at any of the three stack and can potentially - * touch all of them. The order is: panic stack, async stack, sync stack. - */ -static unsigned long -__show_trace(unsigned long sp, unsigned long low, unsigned long high) -{ - struct stack_frame *sf; - struct pt_regs *regs; - - while (1) { - sp = sp & PSW_ADDR_INSN; - if (sp < low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - printk("([<%016lx>] ", sf->gprs[8] & PSW_ADDR_INSN); - print_symbol("%s)\n", sf->gprs[8] & PSW_ADDR_INSN); - /* Follow the backchain. */ - while (1) { - low = sp; - sp = sf->back_chain & PSW_ADDR_INSN; - if (!sp) - break; - if (sp <= low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - printk(" [<%016lx>] ", sf->gprs[8] & PSW_ADDR_INSN); - print_symbol("%s\n", sf->gprs[8] & PSW_ADDR_INSN); - } - /* Zero backchain detected, check for interrupt frame. */ - sp = (unsigned long) (sf + 1); - if (sp <= low || sp > high - sizeof(*regs)) - return sp; - regs = (struct pt_regs *) sp; - printk(" [<%016lx>] ", regs->psw.addr & PSW_ADDR_INSN); - print_symbol("%s\n", regs->psw.addr & PSW_ADDR_INSN); - low = sp; - sp = regs->gprs[15]; - } -} - -static void show_trace(struct task_struct *task, unsigned long *stack) -{ - register unsigned long __r15 asm ("15"); - unsigned long sp; - - sp = (unsigned long) stack; - if (!sp) - sp = task ? task->thread.ksp : __r15; - printk("Call Trace:\n"); -#ifdef CONFIG_CHECK_STACK - sp = __show_trace(sp, S390_lowcore.panic_stack - 4096, - S390_lowcore.panic_stack); -#endif - sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack); - if (task) - __show_trace(sp, (unsigned long) task_stack_page(task), - (unsigned long) task_stack_page(task) + THREAD_SIZE); - else - __show_trace(sp, S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE); - if (!task) - task = current; - debug_show_held_locks(task); -} - -void show_stack(struct task_struct *task, unsigned long *sp) -{ - register unsigned long * __r15 asm ("15"); - unsigned long *stack; - int i; - - if (!sp) - stack = task ? (unsigned long *) task->thread.ksp : __r15; - else - stack = sp; - - for (i = 0; i < kstack_depth_to_print; i++) { - if (((addr_t) stack & (THREAD_SIZE-1)) == 0) - break; - if ((i * sizeof(long) % 32) == 0) - printk("%s ", i == 0 ? "" : "\n"); - printk(LONG, *stack++); - } - printk("\n"); - show_trace(task, sp); -} - -static void show_last_breaking_event(struct pt_regs *regs) -{ -#ifdef CONFIG_64BIT - printk("Last Breaking-Event-Address:\n"); - printk(" [<%016lx>] ", regs->args[0] & PSW_ADDR_INSN); - print_symbol("%s\n", regs->args[0] & PSW_ADDR_INSN); -#endif -} - -/* - * The architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - printk("CPU: %d %s %s %.*s\n", - task_thread_info(current)->cpu, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); - printk("Process %s (pid: %d, task: %p, ksp: %p)\n", - current->comm, current->pid, current, - (void *) current->thread.ksp); - show_stack(NULL, NULL); -} -EXPORT_SYMBOL(dump_stack); - -static inline int mask_bits(struct pt_regs *regs, unsigned long bits) -{ - return (regs->psw.mask & bits) / ((~bits + 1) & bits); -} - -void show_registers(struct pt_regs *regs) -{ - char *mode; - - mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl"; - printk("%s PSW : %p %p", - mode, (void *) regs->psw.mask, - (void *) regs->psw.addr); - print_symbol(" (%s)\n", regs->psw.addr & PSW_ADDR_INSN); - printk(" R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x " - "P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER), - mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO), - mask_bits(regs, PSW_MASK_EXT), mask_bits(regs, PSW_MASK_KEY), - mask_bits(regs, PSW_MASK_MCHECK), mask_bits(regs, PSW_MASK_WAIT), - mask_bits(regs, PSW_MASK_PSTATE), mask_bits(regs, PSW_MASK_ASC), - mask_bits(regs, PSW_MASK_CC), mask_bits(regs, PSW_MASK_PM)); -#ifdef CONFIG_64BIT - printk(" EA:%x", mask_bits(regs, PSW_MASK_EA | PSW_MASK_BA)); -#endif - printk("\n%s GPRS: " FOURLONG, mode, - regs->gprs[0], regs->gprs[1], regs->gprs[2], regs->gprs[3]); - printk(" " FOURLONG, - regs->gprs[4], regs->gprs[5], regs->gprs[6], regs->gprs[7]); - printk(" " FOURLONG, - regs->gprs[8], regs->gprs[9], regs->gprs[10], regs->gprs[11]); - printk(" " FOURLONG, - regs->gprs[12], regs->gprs[13], regs->gprs[14], regs->gprs[15]); - - show_code(regs); -} - -void show_regs(struct pt_regs *regs) -{ - print_modules(); - printk("CPU: %d %s %s %.*s\n", - task_thread_info(current)->cpu, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); - printk("Process %s (pid: %d, task: %p, ksp: %p)\n", - current->comm, current->pid, current, - (void *) current->thread.ksp); - show_registers(regs); - /* Show stack backtrace if pt_regs is from kernel mode */ - if (!(regs->psw.mask & PSW_MASK_PSTATE)) - show_trace(NULL, (unsigned long *) regs->gprs[15]); - show_last_breaking_event(regs); -} - -static DEFINE_SPINLOCK(die_lock); - -void die(struct pt_regs *regs, const char *str) -{ - static int die_counter; - - oops_enter(); - lgr_info_log(); - debug_stop_all(); - console_verbose(); - spin_lock_irq(&die_lock); - bust_spinlocks(1); - printk("%s: %04x [#%d] ", str, regs->int_code & 0xffff, ++die_counter); -#ifdef CONFIG_PREEMPT - printk("PREEMPT "); -#endif -#ifdef CONFIG_SMP - printk("SMP "); -#endif -#ifdef CONFIG_DEBUG_PAGEALLOC - printk("DEBUG_PAGEALLOC"); -#endif - printk("\n"); - notify_die(DIE_OOPS, str, regs, 0, regs->int_code & 0xffff, SIGSEGV); - show_regs(regs); - bust_spinlocks(0); - add_taint(TAINT_DIE); - spin_unlock_irq(&die_lock); - if (in_interrupt()) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception: panic_on_oops"); - oops_exit(); - do_exit(SIGSEGV); -} - -static inline void report_user_fault(struct pt_regs *regs, int signr) -{ - if ((task_pid_nr(current) > 1) && !show_unhandled_signals) - return; - if (!unhandled_signal(current, signr)) - return; - if (!printk_ratelimit()) - return; - printk("User process fault: interruption code 0x%X ", regs->int_code); - print_vma_addr("in ", regs->psw.addr & PSW_ADDR_INSN); - printk("\n"); - show_regs(regs); -} - -int is_valid_bugaddr(unsigned long addr) -{ - return 1; -} - -static inline void __user *get_psw_address(struct pt_regs *regs) -{ - return (void __user *) - ((regs->psw.addr - (regs->int_code >> 16)) & PSW_ADDR_INSN); -} - -static void __kprobes do_trap(struct pt_regs *regs, - int si_signo, int si_code, char *str) -{ - siginfo_t info; - - if (notify_die(DIE_TRAP, str, regs, 0, - regs->int_code, si_signo) == NOTIFY_STOP) - return; - - if (regs->psw.mask & PSW_MASK_PSTATE) { - info.si_signo = si_signo; - info.si_errno = 0; - info.si_code = si_code; - info.si_addr = get_psw_address(regs); - force_sig_info(si_signo, &info, current); - report_user_fault(regs, si_signo); - } else { - const struct exception_table_entry *fixup; - fixup = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN); - if (fixup) - regs->psw.addr = fixup->fixup | PSW_ADDR_AMODE; - else { - enum bug_trap_type btt; - - btt = report_bug(regs->psw.addr & PSW_ADDR_INSN, regs); - if (btt == BUG_TRAP_TYPE_WARN) - return; - die(regs, str); - } - } -} - -void __kprobes do_per_trap(struct pt_regs *regs) -{ - siginfo_t info; - - if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) - return; - if (!current->ptrace) - return; - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_HWBKPT; - info.si_addr = - (void __force __user *) current->thread.per_event.address; - force_sig_info(SIGTRAP, &info, current); -} - -static void default_trap_handler(struct pt_regs *regs) -{ - if (regs->psw.mask & PSW_MASK_PSTATE) { - report_user_fault(regs, SIGSEGV); - do_exit(SIGSEGV); - } else - die(regs, "Unknown program exception"); -} - -#define DO_ERROR_INFO(name, signr, sicode, str) \ -static void name(struct pt_regs *regs) \ -{ \ - do_trap(regs, signr, sicode, str); \ -} - -DO_ERROR_INFO(addressing_exception, SIGILL, ILL_ILLADR, - "addressing exception") -DO_ERROR_INFO(execute_exception, SIGILL, ILL_ILLOPN, - "execute exception") -DO_ERROR_INFO(divide_exception, SIGFPE, FPE_INTDIV, - "fixpoint divide exception") -DO_ERROR_INFO(overflow_exception, SIGFPE, FPE_INTOVF, - "fixpoint overflow exception") -DO_ERROR_INFO(hfp_overflow_exception, SIGFPE, FPE_FLTOVF, - "HFP overflow exception") -DO_ERROR_INFO(hfp_underflow_exception, SIGFPE, FPE_FLTUND, - "HFP underflow exception") -DO_ERROR_INFO(hfp_significance_exception, SIGFPE, FPE_FLTRES, - "HFP significance exception") -DO_ERROR_INFO(hfp_divide_exception, SIGFPE, FPE_FLTDIV, - "HFP divide exception") -DO_ERROR_INFO(hfp_sqrt_exception, SIGFPE, FPE_FLTINV, - "HFP square root exception") -DO_ERROR_INFO(operand_exception, SIGILL, ILL_ILLOPN, - "operand exception") -DO_ERROR_INFO(privileged_op, SIGILL, ILL_PRVOPC, - "privileged operation") -DO_ERROR_INFO(special_op_exception, SIGILL, ILL_ILLOPN, - "special operation exception") -DO_ERROR_INFO(translation_exception, SIGILL, ILL_ILLOPN, - "translation exception") - -static inline void do_fp_trap(struct pt_regs *regs, int fpc) -{ - int si_code = 0; - /* FPC[2] is Data Exception Code */ - if ((fpc & 0x00000300) == 0) { - /* bits 6 and 7 of DXC are 0 iff IEEE exception */ - if (fpc & 0x8000) /* invalid fp operation */ - si_code = FPE_FLTINV; - else if (fpc & 0x4000) /* div by 0 */ - si_code = FPE_FLTDIV; - else if (fpc & 0x2000) /* overflow */ - si_code = FPE_FLTOVF; - else if (fpc & 0x1000) /* underflow */ - si_code = FPE_FLTUND; - else if (fpc & 0x0800) /* inexact */ - si_code = FPE_FLTRES; - } - do_trap(regs, SIGFPE, si_code, "floating point exception"); -} - -static void __kprobes illegal_op(struct pt_regs *regs) -{ - siginfo_t info; - __u8 opcode[6]; - __u16 __user *location; - int signal = 0; - - location = get_psw_address(regs); - - if (regs->psw.mask & PSW_MASK_PSTATE) { - if (get_user(*((__u16 *) opcode), (__u16 __user *) location)) - return; - if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) { - if (current->ptrace) { - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - info.si_addr = location; - force_sig_info(SIGTRAP, &info, current); - } else - signal = SIGILL; -#ifdef CONFIG_MATHEMU - } else if (opcode[0] == 0xb3) { - if (get_user(*((__u16 *) (opcode+2)), location+1)) - return; - signal = math_emu_b3(opcode, regs); - } else if (opcode[0] == 0xed) { - if (get_user(*((__u32 *) (opcode+2)), - (__u32 __user *)(location+1))) - return; - signal = math_emu_ed(opcode, regs); - } else if (*((__u16 *) opcode) == 0xb299) { - if (get_user(*((__u16 *) (opcode+2)), location+1)) - return; - signal = math_emu_srnm(opcode, regs); - } else if (*((__u16 *) opcode) == 0xb29c) { - if (get_user(*((__u16 *) (opcode+2)), location+1)) - return; - signal = math_emu_stfpc(opcode, regs); - } else if (*((__u16 *) opcode) == 0xb29d) { - if (get_user(*((__u16 *) (opcode+2)), location+1)) - return; - signal = math_emu_lfpc(opcode, regs); -#endif - } else - signal = SIGILL; - } else { - /* - * If we get an illegal op in kernel mode, send it through the - * kprobes notifier. If kprobes doesn't pick it up, SIGILL - */ - if (notify_die(DIE_BPT, "bpt", regs, 0, - 3, SIGTRAP) != NOTIFY_STOP) - signal = SIGILL; - } - -#ifdef CONFIG_MATHEMU - if (signal == SIGFPE) - do_fp_trap(regs, current->thread.fp_regs.fpc); - else if (signal == SIGSEGV) - do_trap(regs, signal, SEGV_MAPERR, "user address fault"); - else -#endif - if (signal) - do_trap(regs, signal, ILL_ILLOPC, "illegal operation"); -} - - -#ifdef CONFIG_MATHEMU -void specification_exception(struct pt_regs *regs) -{ - __u8 opcode[6]; - __u16 __user *location = NULL; - int signal = 0; - - location = (__u16 __user *) get_psw_address(regs); - - if (regs->psw.mask & PSW_MASK_PSTATE) { - get_user(*((__u16 *) opcode), location); - switch (opcode[0]) { - case 0x28: /* LDR Rx,Ry */ - signal = math_emu_ldr(opcode); - break; - case 0x38: /* LER Rx,Ry */ - signal = math_emu_ler(opcode); - break; - case 0x60: /* STD R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_std(opcode, regs); - break; - case 0x68: /* LD R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_ld(opcode, regs); - break; - case 0x70: /* STE R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_ste(opcode, regs); - break; - case 0x78: /* LE R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_le(opcode, regs); - break; - default: - signal = SIGILL; - break; - } - } else - signal = SIGILL; - - if (signal == SIGFPE) - do_fp_trap(regs, current->thread.fp_regs.fpc); - else if (signal) - do_trap(regs, signal, ILL_ILLOPN, "specification exception"); -} -#else -DO_ERROR_INFO(specification_exception, SIGILL, ILL_ILLOPN, - "specification exception"); -#endif - -static void data_exception(struct pt_regs *regs) -{ - __u16 __user *location; - int signal = 0; - - location = get_psw_address(regs); - - if (MACHINE_HAS_IEEE) - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); - -#ifdef CONFIG_MATHEMU - else if (regs->psw.mask & PSW_MASK_PSTATE) { - __u8 opcode[6]; - get_user(*((__u16 *) opcode), location); - switch (opcode[0]) { - case 0x28: /* LDR Rx,Ry */ - signal = math_emu_ldr(opcode); - break; - case 0x38: /* LER Rx,Ry */ - signal = math_emu_ler(opcode); - break; - case 0x60: /* STD R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_std(opcode, regs); - break; - case 0x68: /* LD R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_ld(opcode, regs); - break; - case 0x70: /* STE R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_ste(opcode, regs); - break; - case 0x78: /* LE R,D(X,B) */ - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_le(opcode, regs); - break; - case 0xb3: - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_b3(opcode, regs); - break; - case 0xed: - get_user(*((__u32 *) (opcode+2)), - (__u32 __user *)(location+1)); - signal = math_emu_ed(opcode, regs); - break; - case 0xb2: - if (opcode[1] == 0x99) { - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_srnm(opcode, regs); - } else if (opcode[1] == 0x9c) { - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_stfpc(opcode, regs); - } else if (opcode[1] == 0x9d) { - get_user(*((__u16 *) (opcode+2)), location+1); - signal = math_emu_lfpc(opcode, regs); - } else - signal = SIGILL; - break; - default: - signal = SIGILL; - break; - } - } -#endif - if (current->thread.fp_regs.fpc & FPC_DXC_MASK) - signal = SIGFPE; - else - signal = SIGILL; - if (signal == SIGFPE) - do_fp_trap(regs, current->thread.fp_regs.fpc); - else if (signal) - do_trap(regs, signal, ILL_ILLOPN, "data exception"); -} - -static void space_switch_exception(struct pt_regs *regs) -{ - /* Set user psw back to home space mode. */ - if (regs->psw.mask & PSW_MASK_PSTATE) - regs->psw.mask |= PSW_ASC_HOME; - /* Send SIGILL. */ - do_trap(regs, SIGILL, ILL_PRVOPC, "space switch event"); -} - -void __kprobes kernel_stack_overflow(struct pt_regs * regs) -{ - bust_spinlocks(1); - printk("Kernel stack overflow.\n"); - show_regs(regs); - bust_spinlocks(0); - panic("Corrupt kernel stack, can't continue."); -} - -/* init is done in lowcore.S and head.S */ - -void __init trap_init(void) -{ - int i; - - for (i = 0; i < 128; i++) - pgm_check_table[i] = &default_trap_handler; - pgm_check_table[1] = &illegal_op; - pgm_check_table[2] = &privileged_op; - pgm_check_table[3] = &execute_exception; - pgm_check_table[4] = &do_protection_exception; - pgm_check_table[5] = &addressing_exception; - pgm_check_table[6] = &specification_exception; - pgm_check_table[7] = &data_exception; - pgm_check_table[8] = &overflow_exception; - pgm_check_table[9] = ÷_exception; - pgm_check_table[0x0A] = &overflow_exception; - pgm_check_table[0x0B] = ÷_exception; - pgm_check_table[0x0C] = &hfp_overflow_exception; - pgm_check_table[0x0D] = &hfp_underflow_exception; - pgm_check_table[0x0E] = &hfp_significance_exception; - pgm_check_table[0x0F] = &hfp_divide_exception; - pgm_check_table[0x10] = &do_dat_exception; - pgm_check_table[0x11] = &do_dat_exception; - pgm_check_table[0x12] = &translation_exception; - pgm_check_table[0x13] = &special_op_exception; -#ifdef CONFIG_64BIT - pgm_check_table[0x38] = &do_asce_exception; - pgm_check_table[0x39] = &do_dat_exception; - pgm_check_table[0x3A] = &do_dat_exception; - pgm_check_table[0x3B] = &do_dat_exception; -#endif /* CONFIG_64BIT */ - pgm_check_table[0x15] = &operand_exception; - pgm_check_table[0x1C] = &space_switch_exception; - pgm_check_table[0x1D] = &hfp_sqrt_exception; - /* Enable machine checks early. */ - local_mcck_enable(); -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso.c b/ANDROID_3.4.5/arch/s390/kernel/vdso.c deleted file mode 100644 index ea5590fd..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - * vdso setup for s390 - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/slab.h> -#include <linux/user.h> -#include <linux/elf.h> -#include <linux/security.h> -#include <linux/bootmem.h> -#include <linux/compat.h> -#include <asm/asm-offsets.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/mmu.h> -#include <asm/mmu_context.h> -#include <asm/sections.h> -#include <asm/vdso.h> -#include <asm/facility.h> - -#if defined(CONFIG_32BIT) || defined(CONFIG_COMPAT) -extern char vdso32_start, vdso32_end; -static void *vdso32_kbase = &vdso32_start; -static unsigned int vdso32_pages; -static struct page **vdso32_pagelist; -#endif - -#ifdef CONFIG_64BIT -extern char vdso64_start, vdso64_end; -static void *vdso64_kbase = &vdso64_start; -static unsigned int vdso64_pages; -static struct page **vdso64_pagelist; -#endif /* CONFIG_64BIT */ - -/* - * Should the kernel map a VDSO page into processes and pass its - * address down to glibc upon exec()? - */ -unsigned int __read_mostly vdso_enabled = 1; - -static int __init vdso_setup(char *s) -{ - unsigned long val; - int rc; - - rc = 0; - if (strncmp(s, "on", 3) == 0) - vdso_enabled = 1; - else if (strncmp(s, "off", 4) == 0) - vdso_enabled = 0; - else { - rc = strict_strtoul(s, 0, &val); - vdso_enabled = rc ? 0 : !!val; - } - return !rc; -} -__setup("vdso=", vdso_setup); - -/* - * The vdso data page - */ -static union { - struct vdso_data data; - u8 page[PAGE_SIZE]; -} vdso_data_store __page_aligned_data; -struct vdso_data *vdso_data = &vdso_data_store.data; - -/* - * Setup vdso data page. - */ -static void vdso_init_data(struct vdso_data *vd) -{ - vd->ectg_available = user_mode != HOME_SPACE_MODE && test_facility(31); -} - -#ifdef CONFIG_64BIT -/* - * Allocate/free per cpu vdso data. - */ -#define SEGMENT_ORDER 2 - -int vdso_alloc_per_cpu(struct _lowcore *lowcore) -{ - unsigned long segment_table, page_table, page_frame; - u32 *psal, *aste; - int i; - - lowcore->vdso_per_cpu_data = __LC_PASTE; - - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) - return 0; - - segment_table = __get_free_pages(GFP_KERNEL, SEGMENT_ORDER); - page_table = get_zeroed_page(GFP_KERNEL | GFP_DMA); - page_frame = get_zeroed_page(GFP_KERNEL); - if (!segment_table || !page_table || !page_frame) - goto out; - - clear_table((unsigned long *) segment_table, _SEGMENT_ENTRY_EMPTY, - PAGE_SIZE << SEGMENT_ORDER); - clear_table((unsigned long *) page_table, _PAGE_TYPE_EMPTY, - 256*sizeof(unsigned long)); - - *(unsigned long *) segment_table = _SEGMENT_ENTRY + page_table; - *(unsigned long *) page_table = _PAGE_RO + page_frame; - - psal = (u32 *) (page_table + 256*sizeof(unsigned long)); - aste = psal + 32; - - for (i = 4; i < 32; i += 4) - psal[i] = 0x80000000; - - lowcore->paste[4] = (u32)(addr_t) psal; - psal[0] = 0x20000000; - psal[2] = (u32)(addr_t) aste; - *(unsigned long *) (aste + 2) = segment_table + - _ASCE_TABLE_LENGTH + _ASCE_USER_BITS + _ASCE_TYPE_SEGMENT; - aste[4] = (u32)(addr_t) psal; - lowcore->vdso_per_cpu_data = page_frame; - - return 0; - -out: - free_page(page_frame); - free_page(page_table); - free_pages(segment_table, SEGMENT_ORDER); - return -ENOMEM; -} - -void vdso_free_per_cpu(struct _lowcore *lowcore) -{ - unsigned long segment_table, page_table, page_frame; - u32 *psal, *aste; - - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) - return; - - psal = (u32 *)(addr_t) lowcore->paste[4]; - aste = (u32 *)(addr_t) psal[2]; - segment_table = *(unsigned long *)(aste + 2) & PAGE_MASK; - page_table = *(unsigned long *) segment_table; - page_frame = *(unsigned long *) page_table; - - free_page(page_frame); - free_page(page_table); - free_pages(segment_table, SEGMENT_ORDER); -} - -static void vdso_init_cr5(void) -{ - unsigned long cr5; - - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) - return; - cr5 = offsetof(struct _lowcore, paste); - __ctl_load(cr5, 5, 5); -} -#endif /* CONFIG_64BIT */ - -/* - * This is called from binfmt_elf, we create the special vma for the - * vDSO and insert it into the mm struct tree - */ -int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) -{ - struct mm_struct *mm = current->mm; - struct page **vdso_pagelist; - unsigned long vdso_pages; - unsigned long vdso_base; - int rc; - - if (!vdso_enabled) - return 0; - /* - * Only map the vdso for dynamically linked elf binaries. - */ - if (!uses_interp) - return 0; - -#ifdef CONFIG_64BIT - vdso_pagelist = vdso64_pagelist; - vdso_pages = vdso64_pages; -#ifdef CONFIG_COMPAT - if (is_compat_task()) { - vdso_pagelist = vdso32_pagelist; - vdso_pages = vdso32_pages; - } -#endif -#else - vdso_pagelist = vdso32_pagelist; - vdso_pages = vdso32_pages; -#endif - - /* - * vDSO has a problem and was disabled, just don't "enable" it for - * the process - */ - if (vdso_pages == 0) - return 0; - - current->mm->context.vdso_base = 0; - - /* - * pick a base address for the vDSO in process space. We try to put - * it at vdso_base which is the "natural" base for it, but we might - * fail and end up putting it elsewhere. - */ - down_write(&mm->mmap_sem); - vdso_base = get_unmapped_area(NULL, 0, vdso_pages << PAGE_SHIFT, 0, 0); - if (IS_ERR_VALUE(vdso_base)) { - rc = vdso_base; - goto out_up; - } - - /* - * Put vDSO base into mm struct. We need to do this before calling - * install_special_mapping or the perf counter mmap tracking code - * will fail to recognise it as a vDSO (since arch_vma_name fails). - */ - current->mm->context.vdso_base = vdso_base; - - /* - * our vma flags don't have VM_WRITE so by default, the process - * isn't allowed to write those pages. - * gdb can break that with ptrace interface, and thus trigger COW - * on those pages but it's then your responsibility to never do that - * on the "data" page of the vDSO or you'll stop getting kernel - * updates and your nice userland gettimeofday will be totally dead. - * It's fine to use that for setting breakpoints in the vDSO code - * pages though. - */ - rc = install_special_mapping(mm, vdso_base, vdso_pages << PAGE_SHIFT, - VM_READ|VM_EXEC| - VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, - vdso_pagelist); - if (rc) - current->mm->context.vdso_base = 0; -out_up: - up_write(&mm->mmap_sem); - return rc; -} - -const char *arch_vma_name(struct vm_area_struct *vma) -{ - if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso_base) - return "[vdso]"; - return NULL; -} - -static int __init vdso_init(void) -{ - int i; - - if (!vdso_enabled) - return 0; - vdso_init_data(vdso_data); -#if defined(CONFIG_32BIT) || defined(CONFIG_COMPAT) - /* Calculate the size of the 32 bit vDSO */ - vdso32_pages = ((&vdso32_end - &vdso32_start - + PAGE_SIZE - 1) >> PAGE_SHIFT) + 1; - - /* Make sure pages are in the correct state */ - vdso32_pagelist = kzalloc(sizeof(struct page *) * (vdso32_pages + 1), - GFP_KERNEL); - BUG_ON(vdso32_pagelist == NULL); - for (i = 0; i < vdso32_pages - 1; i++) { - struct page *pg = virt_to_page(vdso32_kbase + i*PAGE_SIZE); - ClearPageReserved(pg); - get_page(pg); - vdso32_pagelist[i] = pg; - } - vdso32_pagelist[vdso32_pages - 1] = virt_to_page(vdso_data); - vdso32_pagelist[vdso32_pages] = NULL; -#endif - -#ifdef CONFIG_64BIT - /* Calculate the size of the 64 bit vDSO */ - vdso64_pages = ((&vdso64_end - &vdso64_start - + PAGE_SIZE - 1) >> PAGE_SHIFT) + 1; - - /* Make sure pages are in the correct state */ - vdso64_pagelist = kzalloc(sizeof(struct page *) * (vdso64_pages + 1), - GFP_KERNEL); - BUG_ON(vdso64_pagelist == NULL); - for (i = 0; i < vdso64_pages - 1; i++) { - struct page *pg = virt_to_page(vdso64_kbase + i*PAGE_SIZE); - ClearPageReserved(pg); - get_page(pg); - vdso64_pagelist[i] = pg; - } - vdso64_pagelist[vdso64_pages - 1] = virt_to_page(vdso_data); - vdso64_pagelist[vdso64_pages] = NULL; - if (vdso_alloc_per_cpu(&S390_lowcore)) - BUG(); - vdso_init_cr5(); -#endif /* CONFIG_64BIT */ - - get_page(virt_to_page(vdso_data)); - - smp_wmb(); - - return 0; -} -early_initcall(vdso_init); - -int in_gate_area_no_mm(unsigned long addr) -{ - return 0; -} - -int in_gate_area(struct mm_struct *mm, unsigned long addr) -{ - return 0; -} - -struct vm_area_struct *get_gate_vma(struct mm_struct *mm) -{ - return NULL; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/Makefile b/ANDROID_3.4.5/arch/s390/kernel/vdso32/Makefile deleted file mode 100644 index 8ad2b34a..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/Makefile +++ /dev/null @@ -1,58 +0,0 @@ -# List of files in the vdso, has to be asm only for now - -obj-vdso32 = gettimeofday.o clock_getres.o clock_gettime.o note.o - -# Build rules - -targets := $(obj-vdso32) vdso32.so vdso32.so.dbg -obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) - -KBUILD_AFLAGS_31 := $(filter-out -m64,$(KBUILD_AFLAGS)) -KBUILD_AFLAGS_31 += -m31 -s - -KBUILD_CFLAGS_31 := $(filter-out -m64,$(KBUILD_CFLAGS)) -KBUILD_CFLAGS_31 += -m31 -fPIC -shared -fno-common -fno-builtin -KBUILD_CFLAGS_31 += -nostdlib -Wl,-soname=linux-vdso32.so.1 \ - $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) - -$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_31) -$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_31) - -obj-y += vdso32_wrapper.o -extra-y += vdso32.lds -CPPFLAGS_vdso32.lds += -P -C -U$(ARCH) - -# Disable gcov profiling for VDSO code -GCOV_PROFILE := n - -# Force dependency (incbin is bad) -$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so - -# link rule for the .so file, .lds has to be first -$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) - $(call if_changed,vdso32ld) - -# strip rule for the .so file -$(obj)/%.so: OBJCOPYFLAGS := -S -$(obj)/%.so: $(obj)/%.so.dbg FORCE - $(call if_changed,objcopy) - -# assembly rules for the .S files -$(obj-vdso32): %.o: %.S - $(call if_changed_dep,vdso32as) - -# actual build commands -quiet_cmd_vdso32ld = VDSO32L $@ - cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ -quiet_cmd_vdso32as = VDSO32A $@ - cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $< - -# install commands for the unstripped file -quiet_cmd_vdso_install = INSTALL $@ - cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@ - -vdso32.so: $(obj)/vdso32.so.dbg - @mkdir -p $(MODLIB)/vdso - $(call cmd,vdso_install) - -vdso_install: vdso32.so diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_getres.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_getres.S deleted file mode 100644 index 36aaa25d..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_getres.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Userland implementation of clock_getres() for 32 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_clock_getres - .type __kernel_clock_getres,@function -__kernel_clock_getres: - .cfi_startproc - chi %r2,__CLOCK_REALTIME - je 0f - chi %r2,__CLOCK_MONOTONIC - jne 3f -0: ltr %r3,%r3 - jz 2f /* res == NULL */ - basr %r1,0 -1: l %r0,4f-1b(%r1) - xc 0(4,%r3),0(%r3) /* set tp->tv_sec to zero */ - st %r0,4(%r3) /* store tp->tv_usec */ -2: lhi %r2,0 - br %r14 -3: lhi %r1,__NR_clock_getres /* fallback to svc */ - svc 0 - br %r14 -4: .long __CLOCK_REALTIME_RES - .cfi_endproc - .size __kernel_clock_getres,.-__kernel_clock_getres diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_gettime.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_gettime.S deleted file mode 100644 index b2224e0b..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/clock_gettime.S +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Userland implementation of clock_gettime() for 32 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_clock_gettime - .type __kernel_clock_gettime,@function -__kernel_clock_gettime: - .cfi_startproc - basr %r5,0 -0: al %r5,21f-0b(%r5) /* get &_vdso_data */ - chi %r2,__CLOCK_REALTIME - je 10f - chi %r2,__CLOCK_MONOTONIC - jne 19f - - /* CLOCK_MONOTONIC */ - ltr %r3,%r3 - jz 9f /* tp == NULL */ -1: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ - tml %r4,0x0001 /* pending update ? loop */ - jnz 1b - stck 24(%r15) /* Store TOD clock */ - lm %r0,%r1,24(%r15) - s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - sl %r1,__VDSO_XTIME_STAMP+4(%r5) - brc 3,2f - ahi %r0,-1 -2: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ - lr %r2,%r0 - l %r0,__VDSO_NTP_MULT(%r5) - ltr %r1,%r1 - mr %r0,%r0 - jnm 3f - a %r0,__VDSO_NTP_MULT(%r5) -3: alr %r0,%r2 - srdl %r0,12 - al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - al %r1,__VDSO_XTIME_NSEC+4(%r5) - brc 12,4f - ahi %r0,1 -4: l %r2,__VDSO_XTIME_SEC+4(%r5) - al %r0,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic */ - al %r1,__VDSO_WTOM_NSEC+4(%r5) - brc 12,5f - ahi %r0,1 -5: al %r2,__VDSO_WTOM_SEC+4(%r5) - cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ - jne 1b - basr %r5,0 -6: ltr %r0,%r0 - jnz 7f - cl %r1,20f-6b(%r5) - jl 8f -7: ahi %r2,1 - sl %r1,20f-6b(%r5) - brc 3,6b - ahi %r0,-1 - j 6b -8: st %r2,0(%r3) /* store tp->tv_sec */ - st %r1,4(%r3) /* store tp->tv_nsec */ -9: lhi %r2,0 - br %r14 - - /* CLOCK_REALTIME */ -10: ltr %r3,%r3 /* tp == NULL */ - jz 18f -11: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ - tml %r4,0x0001 /* pending update ? loop */ - jnz 11b - stck 24(%r15) /* Store TOD clock */ - lm %r0,%r1,24(%r15) - s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - sl %r1,__VDSO_XTIME_STAMP+4(%r5) - brc 3,12f - ahi %r0,-1 -12: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ - lr %r2,%r0 - l %r0,__VDSO_NTP_MULT(%r5) - ltr %r1,%r1 - mr %r0,%r0 - jnm 13f - a %r0,__VDSO_NTP_MULT(%r5) -13: alr %r0,%r2 - srdl %r0,12 - al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - al %r1,__VDSO_XTIME_NSEC+4(%r5) - brc 12,14f - ahi %r0,1 -14: l %r2,__VDSO_XTIME_SEC+4(%r5) - cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ - jne 11b - basr %r5,0 -15: ltr %r0,%r0 - jnz 16f - cl %r1,20f-15b(%r5) - jl 17f -16: ahi %r2,1 - sl %r1,20f-15b(%r5) - brc 3,15b - ahi %r0,-1 - j 15b -17: st %r2,0(%r3) /* store tp->tv_sec */ - st %r1,4(%r3) /* store tp->tv_nsec */ -18: lhi %r2,0 - br %r14 - - /* Fallback to system call */ -19: lhi %r1,__NR_clock_gettime - svc 0 - br %r14 - -20: .long 1000000000 -21: .long _vdso_data - 0b - .cfi_endproc - .size __kernel_clock_gettime,.-__kernel_clock_gettime diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/gettimeofday.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/gettimeofday.S deleted file mode 100644 index 2d363317..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/gettimeofday.S +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Userland implementation of gettimeofday() for 32 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_gettimeofday - .type __kernel_gettimeofday,@function -__kernel_gettimeofday: - .cfi_startproc - basr %r5,0 -0: al %r5,13f-0b(%r5) /* get &_vdso_data */ -1: ltr %r3,%r3 /* check if tz is NULL */ - je 2f - mvc 0(8,%r3),__VDSO_TIMEZONE(%r5) -2: ltr %r2,%r2 /* check if tv is NULL */ - je 10f - l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ - tml %r4,0x0001 /* pending update ? loop */ - jnz 1b - stck 24(%r15) /* Store TOD clock */ - lm %r0,%r1,24(%r15) - s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - sl %r1,__VDSO_XTIME_STAMP+4(%r5) - brc 3,3f - ahi %r0,-1 -3: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ - st %r0,24(%r15) - l %r0,__VDSO_NTP_MULT(%r5) - ltr %r1,%r1 - mr %r0,%r0 - jnm 4f - a %r0,__VDSO_NTP_MULT(%r5) -4: al %r0,24(%r15) - srdl %r0,12 - al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - al %r1,__VDSO_XTIME_NSEC+4(%r5) - brc 12,5f - ahi %r0,1 -5: mvc 24(4,%r15),__VDSO_XTIME_SEC+4(%r5) - cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ - jne 1b - l %r4,24(%r15) /* get tv_sec from stack */ - basr %r5,0 -6: ltr %r0,%r0 - jnz 7f - cl %r1,11f-6b(%r5) - jl 8f -7: ahi %r4,1 - sl %r1,11f-6b(%r5) - brc 3,6b - ahi %r0,-1 - j 6b -8: st %r4,0(%r2) /* store tv->tv_sec */ - ltr %r1,%r1 - m %r0,12f-6b(%r5) - jnm 9f - al %r0,12f-6b(%r5) -9: srl %r0,6 - st %r0,4(%r2) /* store tv->tv_usec */ -10: slr %r2,%r2 - br %r14 -11: .long 1000000000 -12: .long 274877907 -13: .long _vdso_data - 0b - .cfi_endproc - .size __kernel_gettimeofday,.-__kernel_gettimeofday diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/note.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/note.S deleted file mode 100644 index 79a071e4..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/note.S +++ /dev/null @@ -1,12 +0,0 @@ -/* - * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. - * Here we can supply some information useful to userland. - */ - -#include <linux/uts.h> -#include <linux/version.h> -#include <linux/elfnote.h> - -ELFNOTE_START(Linux, 0, "a") - .long LINUX_VERSION_CODE -ELFNOTE_END diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32.lds.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32.lds.S deleted file mode 100644 index a8c379fa..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32.lds.S +++ /dev/null @@ -1,138 +0,0 @@ -/* - * This is the infamous ld script for the 32 bits vdso - * library - */ -#include <asm/vdso.h> - -OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") -OUTPUT_ARCH(s390:31-bit) -ENTRY(_start) - -SECTIONS -{ - . = VDSO32_LBASE + SIZEOF_HEADERS; 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- PROVIDE(_vdso_data = .); - - /DISCARD/ : { - *(.note.GNU-stack) - *(.branch_lt) - *(.data .data.* .gnu.linkonce.d.* .sdata*) - *(.bss .sbss .dynbss .dynsbss) - } -} - -/* - * Very old versions of ld do not recognize this name token; use the constant. - */ -#define PT_GNU_EH_FRAME 0x6474e550 - -/* - * We must supply the ELF program headers explicitly to get just one - * PT_LOAD segment, and set the flags explicitly to make segments read-only. - */ -PHDRS -{ - text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ - dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ - note PT_NOTE FLAGS(4); /* PF_R */ - eh_frame_hdr PT_GNU_EH_FRAME; -} - -/* - * This controls what symbols we export from the DSO. - */ -VERSION -{ - VDSO_VERSION_STRING { - global: - /* - * Has to be there for the kernel to find - */ - __kernel_gettimeofday; - __kernel_clock_gettime; - __kernel_clock_getres; - - local: *; - }; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32_wrapper.S b/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32_wrapper.S deleted file mode 100644 index ae42f8ce..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso32/vdso32_wrapper.S +++ /dev/null @@ -1,14 +0,0 @@ -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/page.h> - - __PAGE_ALIGNED_DATA - - .globl vdso32_start, vdso32_end - .balign PAGE_SIZE -vdso32_start: - .incbin "arch/s390/kernel/vdso32/vdso32.so" - .balign PAGE_SIZE -vdso32_end: - - .previous diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/Makefile b/ANDROID_3.4.5/arch/s390/kernel/vdso64/Makefile deleted file mode 100644 index 2a8ddfd1..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/Makefile +++ /dev/null @@ -1,58 +0,0 @@ -# List of files in the vdso, has to be asm only for now - -obj-vdso64 = gettimeofday.o clock_getres.o clock_gettime.o note.o - -# Build rules - -targets := $(obj-vdso64) vdso64.so vdso64.so.dbg -obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) - -KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS)) -KBUILD_AFLAGS_64 += -m64 -s - -KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS)) -KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin -KBUILD_CFLAGS_64 += -nostdlib -Wl,-soname=linux-vdso64.so.1 \ - $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) - -$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64) -$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64) - -obj-y += vdso64_wrapper.o -extra-y += vdso64.lds -CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) - -# Disable gcov profiling for VDSO code -GCOV_PROFILE := n - -# Force dependency (incbin is bad) -$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so - -# link rule for the .so file, .lds has to be first -$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) - $(call if_changed,vdso64ld) - -# strip rule for the .so file -$(obj)/%.so: OBJCOPYFLAGS := -S -$(obj)/%.so: $(obj)/%.so.dbg FORCE - $(call if_changed,objcopy) - -# assembly rules for the .S files -$(obj-vdso64): %.o: %.S - $(call if_changed_dep,vdso64as) - -# actual build commands -quiet_cmd_vdso64ld = VDSO64L $@ - cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ -quiet_cmd_vdso64as = VDSO64A $@ - cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $< - -# install commands for the unstripped file -quiet_cmd_vdso_install = INSTALL $@ - cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@ - -vdso64.so: $(obj)/vdso64.so.dbg - @mkdir -p $(MODLIB)/vdso - $(call cmd,vdso_install) - -vdso_install: vdso64.so diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_getres.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_getres.S deleted file mode 100644 index 176e1f75..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_getres.S +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Userland implementation of clock_getres() for 64 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_clock_getres - .type __kernel_clock_getres,@function -__kernel_clock_getres: - .cfi_startproc - cghi %r2,__CLOCK_REALTIME - je 0f - cghi %r2,__CLOCK_MONOTONIC - je 0f - cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */ - jne 2f - larl %r5,_vdso_data - icm %r0,15,__LC_ECTG_OK(%r5) - jz 2f -0: ltgr %r3,%r3 - jz 1f /* res == NULL */ - larl %r1,3f - lg %r0,0(%r1) - xc 0(8,%r3),0(%r3) /* set tp->tv_sec to zero */ - stg %r0,8(%r3) /* store tp->tv_usec */ -1: lghi %r2,0 - br %r14 -2: lghi %r1,__NR_clock_getres /* fallback to svc */ - svc 0 - br %r14 -3: .quad __CLOCK_REALTIME_RES - .cfi_endproc - .size __kernel_clock_getres,.-__kernel_clock_getres diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_gettime.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_gettime.S deleted file mode 100644 index d46c95ed..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/clock_gettime.S +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Userland implementation of clock_gettime() for 64 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_clock_gettime - .type __kernel_clock_gettime,@function -__kernel_clock_gettime: - .cfi_startproc - larl %r5,_vdso_data - cghi %r2,__CLOCK_REALTIME - je 4f - cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */ - je 9f - cghi %r2,__CLOCK_MONOTONIC - jne 12f - - /* CLOCK_MONOTONIC */ - ltgr %r3,%r3 - jz 3f /* tp == NULL */ -0: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ - tmll %r4,0x0001 /* pending update ? loop */ - jnz 0b - stck 48(%r15) /* Store TOD clock */ - lg %r1,48(%r15) - sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ - srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ - alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - lg %r0,__VDSO_XTIME_SEC(%r5) - alg %r1,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic */ - alg %r0,__VDSO_WTOM_SEC(%r5) - clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */ - jne 0b - larl %r5,13f -1: clg %r1,0(%r5) - jl 2f - slg %r1,0(%r5) - aghi %r0,1 - j 1b -2: stg %r0,0(%r3) /* store tp->tv_sec */ - stg %r1,8(%r3) /* store tp->tv_nsec */ -3: lghi %r2,0 - br %r14 - - /* CLOCK_REALTIME */ -4: ltr %r3,%r3 /* tp == NULL */ - jz 8f -5: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ - tmll %r4,0x0001 /* pending update ? loop */ - jnz 5b - stck 48(%r15) /* Store TOD clock */ - lg %r1,48(%r15) - sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ - srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ - alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - lg %r0,__VDSO_XTIME_SEC(%r5) - clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */ - jne 5b - larl %r5,13f -6: clg %r1,0(%r5) - jl 7f - slg %r1,0(%r5) - aghi %r0,1 - j 6b -7: stg %r0,0(%r3) /* store tp->tv_sec */ - stg %r1,8(%r3) /* store tp->tv_nsec */ -8: lghi %r2,0 - br %r14 - - /* CLOCK_THREAD_CPUTIME_ID for this thread */ -9: icm %r0,15,__VDSO_ECTG_OK(%r5) - jz 12f - ear %r2,%a4 - llilh %r4,0x0100 - sar %a4,%r4 - lghi %r4,0 - epsw %r5,0 - sacf 512 /* Magic ectg instruction */ - .insn ssf,0xc80100000000,__VDSO_ECTG_BASE(4),__VDSO_ECTG_USER(4),4 - tml %r5,0x4000 - jo 11f - tml %r5,0x8000 - jno 10f - sacf 256 - j 11f -10: sacf 0 -11: sar %a4,%r2 - algr %r1,%r0 /* r1 = cputime as TOD value */ - mghi %r1,1000 /* convert to nanoseconds */ - srlg %r1,%r1,12 /* r1 = cputime in nanosec */ - lgr %r4,%r1 - larl %r5,13f - srlg %r1,%r1,9 /* divide by 1000000000 */ - mlg %r0,8(%r5) - srlg %r0,%r0,11 /* r0 = tv_sec */ - stg %r0,0(%r3) - msg %r0,0(%r5) /* calculate tv_nsec */ - slgr %r4,%r0 /* r4 = tv_nsec */ - stg %r4,8(%r3) - lghi %r2,0 - br %r14 - - /* Fallback to system call */ -12: lghi %r1,__NR_clock_gettime - svc 0 - br %r14 - -13: .quad 1000000000 -14: .quad 19342813113834067 - .cfi_endproc - .size __kernel_clock_gettime,.-__kernel_clock_gettime diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S deleted file mode 100644 index 36ee6747..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Userland implementation of gettimeofday() for 64 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_gettimeofday - .type __kernel_gettimeofday,@function -__kernel_gettimeofday: - .cfi_startproc - larl %r5,_vdso_data -0: ltgr %r3,%r3 /* check if tz is NULL */ - je 1f - mvc 0(8,%r3),__VDSO_TIMEZONE(%r5) -1: ltgr %r2,%r2 /* check if tv is NULL */ - je 4f - lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ - tmll %r4,0x0001 /* pending update ? loop */ - jnz 0b - stck 48(%r15) /* Store TOD clock */ - lg %r1,48(%r15) - sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ - srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ - alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime.tv_nsec */ - lg %r0,__VDSO_XTIME_SEC(%r5) /* xtime.tv_sec */ - clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */ - jne 0b - larl %r5,5f -2: clg %r1,0(%r5) - jl 3f - slg %r1,0(%r5) - aghi %r0,1 - j 2b -3: stg %r0,0(%r2) /* store tv->tv_sec */ - slgr %r0,%r0 /* tv_nsec -> tv_usec */ - ml %r0,8(%r5) - srlg %r0,%r0,6 - stg %r0,8(%r2) /* store tv->tv_usec */ -4: lghi %r2,0 - br %r14 -5: .quad 1000000000 - .long 274877907 - .cfi_endproc - .size __kernel_gettimeofday,.-__kernel_gettimeofday diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/note.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/note.S deleted file mode 100644 index 79a071e4..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/note.S +++ /dev/null @@ -1,12 +0,0 @@ -/* - * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. - * Here we can supply some information useful to userland. - */ - -#include <linux/uts.h> -#include <linux/version.h> -#include <linux/elfnote.h> - -ELFNOTE_START(Linux, 0, "a") - .long LINUX_VERSION_CODE -ELFNOTE_END diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64.lds.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64.lds.S deleted file mode 100644 index 9f5979d1..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64.lds.S +++ /dev/null @@ -1,138 +0,0 @@ -/* - * This is the infamous ld script for the 64 bits vdso - * library - */ -#include <asm/vdso.h> - -OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") -OUTPUT_ARCH(s390:64-bit) -ENTRY(_start) - -SECTIONS -{ - . = VDSO64_LBASE + SIZEOF_HEADERS; - - .hash : { *(.hash) } :text - .gnu.hash : { *(.gnu.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - - .note : { *(.note.*) } :text :note - - . = ALIGN(16); - .text : { - *(.text .stub .text.* .gnu.linkonce.t.*) - } :text - PROVIDE(__etext = .); - PROVIDE(_etext = .); - PROVIDE(etext = .); - - /* - * Other stuff is appended to the text segment: - */ - .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } - .rodata1 : { *(.rodata1) } - - .dynamic : { *(.dynamic) } :text :dynamic - - .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr - .eh_frame : { KEEP (*(.eh_frame)) } :text - .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } - - .rela.dyn ALIGN(8) : { *(.rela.dyn) } - .got ALIGN(8) : { *(.got .toc) } - - _end = .; - PROVIDE(end = .); - - /* - * Stabs debugging sections are here too. - */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - - /* - * DWARF debug sections. - * Symbols in the DWARF debugging sections are relative to the - * beginning of the section so we begin them at 0. - */ - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - /* DWARF 3 */ - .debug_pubtypes 0 : { *(.debug_pubtypes) } - .debug_ranges 0 : { *(.debug_ranges) } - .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } - - . = ALIGN(4096); - PROVIDE(_vdso_data = .); - - /DISCARD/ : { - *(.note.GNU-stack) - *(.branch_lt) - *(.data .data.* .gnu.linkonce.d.* .sdata*) - *(.bss .sbss .dynbss .dynsbss) - } -} - -/* - * Very old versions of ld do not recognize this name token; use the constant. - */ -#define PT_GNU_EH_FRAME 0x6474e550 - -/* - * We must supply the ELF program headers explicitly to get just one - * PT_LOAD segment, and set the flags explicitly to make segments read-only. - */ -PHDRS -{ - text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ - dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ - note PT_NOTE FLAGS(4); /* PF_R */ - eh_frame_hdr PT_GNU_EH_FRAME; -} - -/* - * This controls what symbols we export from the DSO. - */ -VERSION -{ - VDSO_VERSION_STRING { - global: - /* - * Has to be there for the kernel to find - */ - __kernel_gettimeofday; - __kernel_clock_gettime; - __kernel_clock_getres; - - local: *; - }; -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64_wrapper.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64_wrapper.S deleted file mode 100644 index c245842b..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/vdso64_wrapper.S +++ /dev/null @@ -1,14 +0,0 @@ -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/page.h> - - __PAGE_ALIGNED_DATA - - .globl vdso64_start, vdso64_end - .balign PAGE_SIZE -vdso64_start: - .incbin "arch/s390/kernel/vdso64/vdso64.so" - .balign PAGE_SIZE -vdso64_end: - - .previous diff --git a/ANDROID_3.4.5/arch/s390/kernel/vmlinux.lds.S b/ANDROID_3.4.5/arch/s390/kernel/vmlinux.lds.S deleted file mode 100644 index 21109c63..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vmlinux.lds.S +++ /dev/null @@ -1,96 +0,0 @@ -/* ld script to make s390 Linux kernel - * Written by Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#include <asm/thread_info.h> -#include <asm/page.h> -#include <asm-generic/vmlinux.lds.h> - -#ifndef CONFIG_64BIT -OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") -OUTPUT_ARCH(s390) -ENTRY(startup) -jiffies = jiffies_64 + 4; -#else -OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") -OUTPUT_ARCH(s390:64-bit) -ENTRY(startup) -jiffies = jiffies_64; -#endif - -PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ - data PT_LOAD FLAGS(7); /* RWE */ - note PT_NOTE FLAGS(0); /* ___ */ -} - -SECTIONS -{ - . = 0x00000000; - .text : { - _text = .; /* Text and read-only data */ - HEAD_TEXT - TEXT_TEXT - SCHED_TEXT - LOCK_TEXT - KPROBES_TEXT - IRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) - } :text = 0x0700 - - _etext = .; /* End of text section */ - - NOTES :text :note - - .dummy : { *(.dummy) } :data - - RODATA - -#ifdef CONFIG_SHARED_KERNEL - . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ -#endif - - . = ALIGN(PAGE_SIZE); - _eshared = .; /* End of shareable data */ - _sdata = .; /* Start of data section */ - - EXCEPTION_TABLE(16) :data - - RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) - - _edata = .; /* End of data section */ - - /* will be freed after init */ - . = ALIGN(PAGE_SIZE); /* Init code and data */ - __init_begin = .; - - INIT_TEXT_SECTION(PAGE_SIZE) - - /* - * .exit.text is discarded at runtime, not link time, - * to deal with references from __bug_table - */ - .exit.text : { - EXIT_TEXT - } - - /* early.c uses stsi, which requires page aligned data. */ - . = ALIGN(PAGE_SIZE); - INIT_DATA_SECTION(0x100) - - PERCPU_SECTION(0x100) - . = ALIGN(PAGE_SIZE); - __init_end = .; /* freed after init ends here */ - - BSS_SECTION(0, 2, 0) - - _end = . ; - - /* Debugging sections. */ - STABS_DEBUG - DWARF_DEBUG - - /* Sections to be discarded */ - DISCARDS -} diff --git a/ANDROID_3.4.5/arch/s390/kernel/vtime.c b/ANDROID_3.4.5/arch/s390/kernel/vtime.c deleted file mode 100644 index 39ebff50..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vtime.c +++ /dev/null @@ -1,504 +0,0 @@ -/* - * arch/s390/kernel/vtime.c - * Virtual cpu timer based timer functions. - * - * S390 version - * Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Jan Glauber <jan.glauber@de.ibm.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/time.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/types.h> -#include <linux/timex.h> -#include <linux/notifier.h> -#include <linux/kernel_stat.h> -#include <linux/rcupdate.h> -#include <linux/posix-timers.h> -#include <linux/cpu.h> -#include <linux/kprobes.h> - -#include <asm/timer.h> -#include <asm/irq_regs.h> -#include <asm/cputime.h> -#include <asm/irq.h> -#include "entry.h" - -static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer); - -DEFINE_PER_CPU(struct s390_idle_data, s390_idle); - -static inline __u64 get_vtimer(void) -{ - __u64 timer; - - asm volatile("STPT %0" : "=m" (timer)); - return timer; -} - -static inline void set_vtimer(__u64 expires) -{ - __u64 timer; - - asm volatile (" STPT %0\n" /* Store current cpu timer value */ - " SPT %1" /* Set new value immediately afterwards */ - : "=m" (timer) : "m" (expires) ); - S390_lowcore.system_timer += S390_lowcore.last_update_timer - timer; - S390_lowcore.last_update_timer = expires; -} - -/* - * Update process times based on virtual cpu times stored by entry.S - * to the lowcore fields user_timer, system_timer & steal_clock. - */ -static void do_account_vtime(struct task_struct *tsk, int hardirq_offset) -{ - struct thread_info *ti = task_thread_info(tsk); - __u64 timer, clock, user, system, steal; - - timer = S390_lowcore.last_update_timer; - clock = S390_lowcore.last_update_clock; - asm volatile (" STPT %0\n" /* Store current cpu timer value */ - " STCK %1" /* Store current tod clock value */ - : "=m" (S390_lowcore.last_update_timer), - "=m" (S390_lowcore.last_update_clock) ); - S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer; - S390_lowcore.steal_timer += S390_lowcore.last_update_clock - clock; - - user = S390_lowcore.user_timer - ti->user_timer; - S390_lowcore.steal_timer -= user; - ti->user_timer = S390_lowcore.user_timer; - account_user_time(tsk, user, user); - - system = S390_lowcore.system_timer - ti->system_timer; - S390_lowcore.steal_timer -= system; - ti->system_timer = S390_lowcore.system_timer; - account_system_time(tsk, hardirq_offset, system, system); - - steal = S390_lowcore.steal_timer; - if ((s64) steal > 0) { - S390_lowcore.steal_timer = 0; - account_steal_time(steal); - } -} - -void account_vtime(struct task_struct *prev, struct task_struct *next) -{ - struct thread_info *ti; - - do_account_vtime(prev, 0); - ti = task_thread_info(prev); - ti->user_timer = S390_lowcore.user_timer; - ti->system_timer = S390_lowcore.system_timer; - ti = task_thread_info(next); - S390_lowcore.user_timer = ti->user_timer; - S390_lowcore.system_timer = ti->system_timer; -} - -void account_process_tick(struct task_struct *tsk, int user_tick) -{ - do_account_vtime(tsk, HARDIRQ_OFFSET); -} - -/* - * Update process times based on virtual cpu times stored by entry.S - * to the lowcore fields user_timer, system_timer & steal_clock. - */ -void account_system_vtime(struct task_struct *tsk) -{ - struct thread_info *ti = task_thread_info(tsk); - __u64 timer, system; - - timer = S390_lowcore.last_update_timer; - S390_lowcore.last_update_timer = get_vtimer(); - S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer; - - system = S390_lowcore.system_timer - ti->system_timer; - S390_lowcore.steal_timer -= system; - ti->system_timer = S390_lowcore.system_timer; - account_system_time(tsk, 0, system, system); -} -EXPORT_SYMBOL_GPL(account_system_vtime); - -void __kprobes vtime_stop_cpu(void) -{ - struct s390_idle_data *idle = &__get_cpu_var(s390_idle); - struct vtimer_queue *vq = &__get_cpu_var(virt_cpu_timer); - unsigned long long idle_time; - unsigned long psw_mask; - - trace_hardirqs_on(); - /* Don't trace preempt off for idle. */ - stop_critical_timings(); - - /* Wait for external, I/O or machine check interrupt. */ - psw_mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_DAT | - PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK; - idle->nohz_delay = 0; - - /* Call the assembler magic in entry.S */ - psw_idle(idle, vq, psw_mask, !list_empty(&vq->list)); - - /* Reenable preemption tracer. */ - start_critical_timings(); - - /* Account time spent with enabled wait psw loaded as idle time. */ - idle->sequence++; - smp_wmb(); - idle_time = idle->idle_exit - idle->idle_enter; - idle->idle_time += idle_time; - idle->idle_enter = idle->idle_exit = 0ULL; - idle->idle_count++; - account_idle_time(idle_time); - smp_wmb(); - idle->sequence++; -} - -cputime64_t s390_get_idle_time(int cpu) -{ - struct s390_idle_data *idle = &per_cpu(s390_idle, cpu); - unsigned long long now, idle_enter, idle_exit; - unsigned int sequence; - - do { - now = get_clock(); - sequence = ACCESS_ONCE(idle->sequence); - idle_enter = ACCESS_ONCE(idle->idle_enter); - idle_exit = ACCESS_ONCE(idle->idle_exit); - } while ((sequence & 1) || (idle->sequence != sequence)); - return idle_enter ? ((idle_exit ? : now) - idle_enter) : 0; -} - -/* - * Sorted add to a list. List is linear searched until first bigger - * element is found. - */ -static void list_add_sorted(struct vtimer_list *timer, struct list_head *head) -{ - struct vtimer_list *event; - - list_for_each_entry(event, head, entry) { - if (event->expires > timer->expires) { - list_add_tail(&timer->entry, &event->entry); - return; - } - } - list_add_tail(&timer->entry, head); -} - -/* - * Do the callback functions of expired vtimer events. - * Called from within the interrupt handler. - */ -static void do_callbacks(struct list_head *cb_list) -{ - struct vtimer_queue *vq; - struct vtimer_list *event, *tmp; - - if (list_empty(cb_list)) - return; - - vq = &__get_cpu_var(virt_cpu_timer); - - list_for_each_entry_safe(event, tmp, cb_list, entry) { - list_del_init(&event->entry); - (event->function)(event->data); - if (event->interval) { - /* Recharge interval timer */ - event->expires = event->interval + vq->elapsed; - spin_lock(&vq->lock); - list_add_sorted(event, &vq->list); - spin_unlock(&vq->lock); - } - } -} - -/* - * Handler for the virtual CPU timer. - */ -static void do_cpu_timer_interrupt(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct vtimer_queue *vq; - struct vtimer_list *event, *tmp; - struct list_head cb_list; /* the callback queue */ - __u64 elapsed, next; - - kstat_cpu(smp_processor_id()).irqs[EXTINT_TMR]++; - INIT_LIST_HEAD(&cb_list); - vq = &__get_cpu_var(virt_cpu_timer); - - /* walk timer list, fire all expired events */ - spin_lock(&vq->lock); - - elapsed = vq->elapsed + (vq->timer - S390_lowcore.async_enter_timer); - BUG_ON((s64) elapsed < 0); - vq->elapsed = 0; - list_for_each_entry_safe(event, tmp, &vq->list, entry) { - if (event->expires < elapsed) - /* move expired timer to the callback queue */ - list_move_tail(&event->entry, &cb_list); - else - event->expires -= elapsed; - } - spin_unlock(&vq->lock); - - do_callbacks(&cb_list); - - /* next event is first in list */ - next = VTIMER_MAX_SLICE; - spin_lock(&vq->lock); - if (!list_empty(&vq->list)) { - event = list_first_entry(&vq->list, struct vtimer_list, entry); - next = event->expires; - } - spin_unlock(&vq->lock); - /* - * To improve precision add the time spent by the - * interrupt handler to the elapsed time. - * Note: CPU timer counts down and we got an interrupt, - * the current content is negative - */ - elapsed = S390_lowcore.async_enter_timer - get_vtimer(); - set_vtimer(next - elapsed); - vq->timer = next - elapsed; - vq->elapsed = elapsed; -} - -void init_virt_timer(struct vtimer_list *timer) -{ - timer->function = NULL; - INIT_LIST_HEAD(&timer->entry); -} -EXPORT_SYMBOL(init_virt_timer); - -static inline int vtimer_pending(struct vtimer_list *timer) -{ - return (!list_empty(&timer->entry)); -} - -/* - * this function should only run on the specified CPU - */ -static void internal_add_vtimer(struct vtimer_list *timer) -{ - struct vtimer_queue *vq; - unsigned long flags; - __u64 left, expires; - - vq = &per_cpu(virt_cpu_timer, timer->cpu); - spin_lock_irqsave(&vq->lock, flags); - - BUG_ON(timer->cpu != smp_processor_id()); - - if (list_empty(&vq->list)) { - /* First timer on this cpu, just program it. */ - list_add(&timer->entry, &vq->list); - set_vtimer(timer->expires); - vq->timer = timer->expires; - vq->elapsed = 0; - } else { - /* Check progress of old timers. */ - expires = timer->expires; - left = get_vtimer(); - if (likely((s64) expires < (s64) left)) { - /* The new timer expires before the current timer. */ - set_vtimer(expires); - vq->elapsed += vq->timer - left; - vq->timer = expires; - } else { - vq->elapsed += vq->timer - left; - vq->timer = left; - } - /* Insert new timer into per cpu list. */ - timer->expires += vq->elapsed; - list_add_sorted(timer, &vq->list); - } - - spin_unlock_irqrestore(&vq->lock, flags); - /* release CPU acquired in prepare_vtimer or mod_virt_timer() */ - put_cpu(); -} - -static inline void prepare_vtimer(struct vtimer_list *timer) -{ - BUG_ON(!timer->function); - BUG_ON(!timer->expires || timer->expires > VTIMER_MAX_SLICE); - BUG_ON(vtimer_pending(timer)); - timer->cpu = get_cpu(); -} - -/* - * add_virt_timer - add an oneshot virtual CPU timer - */ -void add_virt_timer(void *new) -{ - struct vtimer_list *timer; - - timer = (struct vtimer_list *)new; - prepare_vtimer(timer); - timer->interval = 0; - internal_add_vtimer(timer); -} -EXPORT_SYMBOL(add_virt_timer); - -/* - * add_virt_timer_int - add an interval virtual CPU timer - */ -void add_virt_timer_periodic(void *new) -{ - struct vtimer_list *timer; - - timer = (struct vtimer_list *)new; - prepare_vtimer(timer); - timer->interval = timer->expires; - internal_add_vtimer(timer); -} -EXPORT_SYMBOL(add_virt_timer_periodic); - -static int __mod_vtimer(struct vtimer_list *timer, __u64 expires, int periodic) -{ - struct vtimer_queue *vq; - unsigned long flags; - int cpu; - - BUG_ON(!timer->function); - BUG_ON(!expires || expires > VTIMER_MAX_SLICE); - - if (timer->expires == expires && vtimer_pending(timer)) - return 1; - - cpu = get_cpu(); - vq = &per_cpu(virt_cpu_timer, cpu); - - /* disable interrupts before test if timer is pending */ - spin_lock_irqsave(&vq->lock, flags); - - /* if timer isn't pending add it on the current CPU */ - if (!vtimer_pending(timer)) { - spin_unlock_irqrestore(&vq->lock, flags); - - if (periodic) - timer->interval = expires; - else - timer->interval = 0; - timer->expires = expires; - timer->cpu = cpu; - internal_add_vtimer(timer); - return 0; - } - - /* check if we run on the right CPU */ - BUG_ON(timer->cpu != cpu); - - list_del_init(&timer->entry); - timer->expires = expires; - if (periodic) - timer->interval = expires; - - /* the timer can't expire anymore so we can release the lock */ - spin_unlock_irqrestore(&vq->lock, flags); - internal_add_vtimer(timer); - return 1; -} - -/* - * If we change a pending timer the function must be called on the CPU - * where the timer is running on. - * - * returns whether it has modified a pending timer (1) or not (0) - */ -int mod_virt_timer(struct vtimer_list *timer, __u64 expires) -{ - return __mod_vtimer(timer, expires, 0); -} -EXPORT_SYMBOL(mod_virt_timer); - -/* - * If we change a pending timer the function must be called on the CPU - * where the timer is running on. - * - * returns whether it has modified a pending timer (1) or not (0) - */ -int mod_virt_timer_periodic(struct vtimer_list *timer, __u64 expires) -{ - return __mod_vtimer(timer, expires, 1); -} -EXPORT_SYMBOL(mod_virt_timer_periodic); - -/* - * delete a virtual timer - * - * returns whether the deleted timer was pending (1) or not (0) - */ -int del_virt_timer(struct vtimer_list *timer) -{ - unsigned long flags; - struct vtimer_queue *vq; - - /* check if timer is pending */ - if (!vtimer_pending(timer)) - return 0; - - vq = &per_cpu(virt_cpu_timer, timer->cpu); - spin_lock_irqsave(&vq->lock, flags); - - /* we don't interrupt a running timer, just let it expire! */ - list_del_init(&timer->entry); - - spin_unlock_irqrestore(&vq->lock, flags); - return 1; -} -EXPORT_SYMBOL(del_virt_timer); - -/* - * Start the virtual CPU timer on the current CPU. - */ -void init_cpu_vtimer(void) -{ - struct vtimer_queue *vq; - - /* initialize per cpu vtimer structure */ - vq = &__get_cpu_var(virt_cpu_timer); - INIT_LIST_HEAD(&vq->list); - spin_lock_init(&vq->lock); - - /* enable cpu timer interrupts */ - __ctl_set_bit(0,10); - - /* set initial cpu timer */ - set_vtimer(0x7fffffffffffffffULL); -} - -static int __cpuinit s390_nohz_notify(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - struct s390_idle_data *idle; - long cpu = (long) hcpu; - - idle = &per_cpu(s390_idle, cpu); - switch (action) { - case CPU_DYING: - case CPU_DYING_FROZEN: - idle->nohz_delay = 0; - default: - break; - } - return NOTIFY_OK; -} - -void __init vtime_init(void) -{ - /* request the cpu timer external interrupt */ - if (register_external_interrupt(0x1005, do_cpu_timer_interrupt)) - panic("Couldn't request external interrupt 0x1005"); - - /* Enable cpu timer interrupts on the boot cpu. */ - init_cpu_vtimer(); - cpu_notifier(s390_nohz_notify, 0); -} - diff --git a/ANDROID_3.4.5/arch/s390/kvm/Kconfig b/ANDROID_3.4.5/arch/s390/kvm/Kconfig deleted file mode 100644 index 78eb9847..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/Kconfig +++ /dev/null @@ -1,50 +0,0 @@ -# -# KVM configuration -# -source "virt/kvm/Kconfig" - -menuconfig VIRTUALIZATION - def_bool y - prompt "Virtualization" - ---help--- - Say Y here to get to see options for using your Linux host to run other - operating systems inside virtual machines (guests). - This option alone does not add any kernel code. - - If you say N, all options in this submenu will be skipped and disabled. - -if VIRTUALIZATION - -config KVM - def_tristate y - prompt "Kernel-based Virtual Machine (KVM) support" - depends on HAVE_KVM && EXPERIMENTAL - select PREEMPT_NOTIFIERS - select ANON_INODES - ---help--- - Support hosting paravirtualized guest machines using the SIE - virtualization capability on the mainframe. This should work - on any 64bit machine. - - This module provides access to the hardware capabilities through - a character device node named /dev/kvm. - - To compile this as a module, choose M here: the module - will be called kvm. - - If unsure, say N. - -config KVM_S390_UCONTROL - bool "Userspace controlled virtual machines" - depends on KVM - ---help--- - Allow CAP_SYS_ADMIN users to create KVM virtual machines that are - controlled by userspace. - - If unsure, say N. - -# OK, it's a little counter-intuitive to do this, but it puts it neatly under -# the virtualization menu. -source drivers/vhost/Kconfig - -endif # VIRTUALIZATION diff --git a/ANDROID_3.4.5/arch/s390/kvm/Makefile b/ANDROID_3.4.5/arch/s390/kvm/Makefile deleted file mode 100644 index 3975722b..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# Makefile for kernel virtual machines on s390 -# -# Copyright IBM Corp. 2008 -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License (version 2 only) -# as published by the Free Software Foundation. - -common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o) - -ccflags-y := -Ivirt/kvm -Iarch/s390/kvm - -kvm-objs := $(common-objs) kvm-s390.o intercept.o interrupt.o priv.o sigp.o diag.o -obj-$(CONFIG_KVM) += kvm.o diff --git a/ANDROID_3.4.5/arch/s390/kvm/diag.c b/ANDROID_3.4.5/arch/s390/kvm/diag.c deleted file mode 100644 index a353f0ea..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/diag.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * diag.c - handling diagnose instructions - * - * Copyright IBM Corp. 2008,2011 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#include <linux/kvm.h> -#include <linux/kvm_host.h> -#include "kvm-s390.h" - -static int diag_release_pages(struct kvm_vcpu *vcpu) -{ - unsigned long start, end; - unsigned long prefix = vcpu->arch.sie_block->prefix; - - start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; - end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + 4096; - - if (start & ~PAGE_MASK || end & ~PAGE_MASK || start > end - || start < 2 * PAGE_SIZE) - return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - - VCPU_EVENT(vcpu, 5, "diag release pages %lX %lX", start, end); - vcpu->stat.diagnose_10++; - - /* we checked for start > end above */ - if (end < prefix || start >= prefix + 2 * PAGE_SIZE) { - gmap_discard(start, end, vcpu->arch.gmap); - } else { - if (start < prefix) - gmap_discard(start, prefix, vcpu->arch.gmap); - if (end >= prefix) - gmap_discard(prefix + 2 * PAGE_SIZE, - end, vcpu->arch.gmap); - } - return 0; -} - -static int __diag_time_slice_end(struct kvm_vcpu *vcpu) -{ - VCPU_EVENT(vcpu, 5, "%s", "diag time slice end"); - vcpu->stat.diagnose_44++; - vcpu_put(vcpu); - yield(); - vcpu_load(vcpu); - return 0; -} - -static int __diag_ipl_functions(struct kvm_vcpu *vcpu) -{ - unsigned int reg = vcpu->arch.sie_block->ipa & 0xf; - unsigned long subcode = vcpu->run->s.regs.gprs[reg] & 0xffff; - - VCPU_EVENT(vcpu, 5, "diag ipl functions, subcode %lx", subcode); - switch (subcode) { - case 3: - vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR; - break; - case 4: - vcpu->run->s390_reset_flags = 0; - break; - default: - return -EOPNOTSUPP; - } - - atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); - vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM; - vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL; - vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT; - vcpu->run->exit_reason = KVM_EXIT_S390_RESET; - VCPU_EVENT(vcpu, 3, "requesting userspace resets %llx", - vcpu->run->s390_reset_flags); - return -EREMOTE; -} - -int kvm_s390_handle_diag(struct kvm_vcpu *vcpu) -{ - int code = (vcpu->arch.sie_block->ipb & 0xfff0000) >> 16; - - switch (code) { - case 0x10: - return diag_release_pages(vcpu); - case 0x44: - return __diag_time_slice_end(vcpu); - case 0x308: - return __diag_ipl_functions(vcpu); - default: - return -EOPNOTSUPP; - } -} diff --git a/ANDROID_3.4.5/arch/s390/kvm/gaccess.h b/ANDROID_3.4.5/arch/s390/kvm/gaccess.h deleted file mode 100644 index c86f6ae4..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/gaccess.h +++ /dev/null @@ -1,386 +0,0 @@ -/* - * access.h - access guest memory - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - */ - -#ifndef __KVM_S390_GACCESS_H -#define __KVM_S390_GACCESS_H - -#include <linux/compiler.h> -#include <linux/kvm_host.h> -#include <asm/uaccess.h> -#include "kvm-s390.h" - -static inline void __user *__guestaddr_to_user(struct kvm_vcpu *vcpu, - unsigned long guestaddr) -{ - unsigned long prefix = vcpu->arch.sie_block->prefix; - - if (guestaddr < 2 * PAGE_SIZE) - guestaddr += prefix; - else if ((guestaddr >= prefix) && (guestaddr < prefix + 2 * PAGE_SIZE)) - guestaddr -= prefix; - - return (void __user *) gmap_fault(guestaddr, vcpu->arch.gmap); -} - -static inline int get_guest_u64(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u64 *result) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 7); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return get_user(*result, (unsigned long __user *) uptr); -} - -static inline int get_guest_u32(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u32 *result) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 3); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return get_user(*result, (u32 __user *) uptr); -} - -static inline int get_guest_u16(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u16 *result) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 1); - - if (IS_ERR(uptr)) - return PTR_ERR(uptr); - - return get_user(*result, (u16 __user *) uptr); -} - -static inline int get_guest_u8(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u8 *result) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return get_user(*result, (u8 __user *) uptr); -} - -static inline int put_guest_u64(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u64 value) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 7); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return put_user(value, (u64 __user *) uptr); -} - -static inline int put_guest_u32(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u32 value) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 3); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return put_user(value, (u32 __user *) uptr); -} - -static inline int put_guest_u16(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u16 value) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - BUG_ON(guestaddr & 1); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return put_user(value, (u16 __user *) uptr); -} - -static inline int put_guest_u8(struct kvm_vcpu *vcpu, unsigned long guestaddr, - u8 value) -{ - void __user *uptr = __guestaddr_to_user(vcpu, guestaddr); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - return put_user(value, (u8 __user *) uptr); -} - - -static inline int __copy_to_guest_slow(struct kvm_vcpu *vcpu, - unsigned long guestdest, - void *from, unsigned long n) -{ - int rc; - unsigned long i; - u8 *data = from; - - for (i = 0; i < n; i++) { - rc = put_guest_u8(vcpu, guestdest++, *(data++)); - if (rc < 0) - return rc; - } - return 0; -} - -static inline int __copy_to_guest_fast(struct kvm_vcpu *vcpu, - unsigned long guestdest, - void *from, unsigned long n) -{ - int r; - void __user *uptr; - unsigned long size; - - if (guestdest + n < guestdest) - return -EFAULT; - - /* simple case: all within one segment table entry? */ - if ((guestdest & PMD_MASK) == ((guestdest+n) & PMD_MASK)) { - uptr = (void __user *) gmap_fault(guestdest, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_to_user(uptr, from, n); - - if (r) - r = -EFAULT; - - goto out; - } - - /* copy first segment */ - uptr = (void __user *)gmap_fault(guestdest, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - size = PMD_SIZE - (guestdest & ~PMD_MASK); - - r = copy_to_user(uptr, from, size); - - if (r) { - r = -EFAULT; - goto out; - } - from += size; - n -= size; - guestdest += size; - - /* copy full segments */ - while (n >= PMD_SIZE) { - uptr = (void __user *)gmap_fault(guestdest, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_to_user(uptr, from, PMD_SIZE); - - if (r) { - r = -EFAULT; - goto out; - } - from += PMD_SIZE; - n -= PMD_SIZE; - guestdest += PMD_SIZE; - } - - /* copy the tail segment */ - if (n) { - uptr = (void __user *)gmap_fault(guestdest, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_to_user(uptr, from, n); - - if (r) - r = -EFAULT; - } -out: - return r; -} - -static inline int copy_to_guest_absolute(struct kvm_vcpu *vcpu, - unsigned long guestdest, - void *from, unsigned long n) -{ - return __copy_to_guest_fast(vcpu, guestdest, from, n); -} - -static inline int copy_to_guest(struct kvm_vcpu *vcpu, unsigned long guestdest, - void *from, unsigned long n) -{ - unsigned long prefix = vcpu->arch.sie_block->prefix; - - if ((guestdest < 2 * PAGE_SIZE) && (guestdest + n > 2 * PAGE_SIZE)) - goto slowpath; - - if ((guestdest < prefix) && (guestdest + n > prefix)) - goto slowpath; - - if ((guestdest < prefix + 2 * PAGE_SIZE) - && (guestdest + n > prefix + 2 * PAGE_SIZE)) - goto slowpath; - - if (guestdest < 2 * PAGE_SIZE) - guestdest += prefix; - else if ((guestdest >= prefix) && (guestdest < prefix + 2 * PAGE_SIZE)) - guestdest -= prefix; - - return __copy_to_guest_fast(vcpu, guestdest, from, n); -slowpath: - return __copy_to_guest_slow(vcpu, guestdest, from, n); -} - -static inline int __copy_from_guest_slow(struct kvm_vcpu *vcpu, void *to, - unsigned long guestsrc, - unsigned long n) -{ - int rc; - unsigned long i; - u8 *data = to; - - for (i = 0; i < n; i++) { - rc = get_guest_u8(vcpu, guestsrc++, data++); - if (rc < 0) - return rc; - } - return 0; -} - -static inline int __copy_from_guest_fast(struct kvm_vcpu *vcpu, void *to, - unsigned long guestsrc, - unsigned long n) -{ - int r; - void __user *uptr; - unsigned long size; - - if (guestsrc + n < guestsrc) - return -EFAULT; - - /* simple case: all within one segment table entry? */ - if ((guestsrc & PMD_MASK) == ((guestsrc+n) & PMD_MASK)) { - uptr = (void __user *) gmap_fault(guestsrc, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_from_user(to, uptr, n); - - if (r) - r = -EFAULT; - - goto out; - } - - /* copy first segment */ - uptr = (void __user *)gmap_fault(guestsrc, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - size = PMD_SIZE - (guestsrc & ~PMD_MASK); - - r = copy_from_user(to, uptr, size); - - if (r) { - r = -EFAULT; - goto out; - } - to += size; - n -= size; - guestsrc += size; - - /* copy full segments */ - while (n >= PMD_SIZE) { - uptr = (void __user *)gmap_fault(guestsrc, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_from_user(to, uptr, PMD_SIZE); - - if (r) { - r = -EFAULT; - goto out; - } - to += PMD_SIZE; - n -= PMD_SIZE; - guestsrc += PMD_SIZE; - } - - /* copy the tail segment */ - if (n) { - uptr = (void __user *)gmap_fault(guestsrc, vcpu->arch.gmap); - - if (IS_ERR((void __force *) uptr)) - return PTR_ERR((void __force *) uptr); - - r = copy_from_user(to, uptr, n); - - if (r) - r = -EFAULT; - } -out: - return r; -} - -static inline int copy_from_guest_absolute(struct kvm_vcpu *vcpu, void *to, - unsigned long guestsrc, - unsigned long n) -{ - return __copy_from_guest_fast(vcpu, to, guestsrc, n); -} - -static inline int copy_from_guest(struct kvm_vcpu *vcpu, void *to, - unsigned long guestsrc, unsigned long n) -{ - unsigned long prefix = vcpu->arch.sie_block->prefix; - - if ((guestsrc < 2 * PAGE_SIZE) && (guestsrc + n > 2 * PAGE_SIZE)) - goto slowpath; - - if ((guestsrc < prefix) && (guestsrc + n > prefix)) - goto slowpath; - - if ((guestsrc < prefix + 2 * PAGE_SIZE) - && (guestsrc + n > prefix + 2 * PAGE_SIZE)) - goto slowpath; - - if (guestsrc < 2 * PAGE_SIZE) - guestsrc += prefix; - else if ((guestsrc >= prefix) && (guestsrc < prefix + 2 * PAGE_SIZE)) - guestsrc -= prefix; - - return __copy_from_guest_fast(vcpu, to, guestsrc, n); -slowpath: - return __copy_from_guest_slow(vcpu, to, guestsrc, n); -} -#endif diff --git a/ANDROID_3.4.5/arch/s390/kvm/intercept.c b/ANDROID_3.4.5/arch/s390/kvm/intercept.c deleted file mode 100644 index 36145657..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/intercept.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * intercept.c - in-kernel handling for sie intercepts - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#include <linux/kvm_host.h> -#include <linux/errno.h> -#include <linux/pagemap.h> - -#include <asm/kvm_host.h> - -#include "kvm-s390.h" -#include "gaccess.h" - -static int handle_lctlg(struct kvm_vcpu *vcpu) -{ - int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4; - int reg3 = vcpu->arch.sie_block->ipa & 0x000f; - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16) + - ((vcpu->arch.sie_block->ipb & 0xff00) << 4); - u64 useraddr; - int reg, rc; - - vcpu->stat.instruction_lctlg++; - if ((vcpu->arch.sie_block->ipb & 0xff) != 0x2f) - return -EOPNOTSUPP; - - useraddr = disp2; - if (base2) - useraddr += vcpu->run->s.regs.gprs[base2]; - - if (useraddr & 7) - return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - - reg = reg1; - - VCPU_EVENT(vcpu, 5, "lctlg r1:%x, r3:%x,b2:%x,d2:%x", reg1, reg3, base2, - disp2); - - do { - rc = get_guest_u64(vcpu, useraddr, - &vcpu->arch.sie_block->gcr[reg]); - if (rc == -EFAULT) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - break; - } - useraddr += 8; - if (reg == reg3) - break; - reg = (reg + 1) % 16; - } while (1); - return 0; -} - -static int handle_lctl(struct kvm_vcpu *vcpu) -{ - int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4; - int reg3 = vcpu->arch.sie_block->ipa & 0x000f; - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 useraddr; - u32 val = 0; - int reg, rc; - - vcpu->stat.instruction_lctl++; - - useraddr = disp2; - if (base2) - useraddr += vcpu->run->s.regs.gprs[base2]; - - if (useraddr & 3) - return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - - VCPU_EVENT(vcpu, 5, "lctl r1:%x, r3:%x,b2:%x,d2:%x", reg1, reg3, base2, - disp2); - - reg = reg1; - do { - rc = get_guest_u32(vcpu, useraddr, &val); - if (rc == -EFAULT) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - break; - } - vcpu->arch.sie_block->gcr[reg] &= 0xffffffff00000000ul; - vcpu->arch.sie_block->gcr[reg] |= val; - useraddr += 4; - if (reg == reg3) - break; - reg = (reg + 1) % 16; - } while (1); - return 0; -} - -static intercept_handler_t instruction_handlers[256] = { - [0x83] = kvm_s390_handle_diag, - [0xae] = kvm_s390_handle_sigp, - [0xb2] = kvm_s390_handle_b2, - [0xb7] = handle_lctl, - [0xe5] = kvm_s390_handle_e5, - [0xeb] = handle_lctlg, -}; - -static int handle_noop(struct kvm_vcpu *vcpu) -{ - switch (vcpu->arch.sie_block->icptcode) { - case 0x0: - vcpu->stat.exit_null++; - break; - case 0x10: - vcpu->stat.exit_external_request++; - break; - case 0x14: - vcpu->stat.exit_external_interrupt++; - break; - default: - break; /* nothing */ - } - return 0; -} - -static int handle_stop(struct kvm_vcpu *vcpu) -{ - int rc = 0; - - vcpu->stat.exit_stop_request++; - spin_lock_bh(&vcpu->arch.local_int.lock); - - if (vcpu->arch.local_int.action_bits & ACTION_RELOADVCPU_ON_STOP) { - vcpu->arch.local_int.action_bits &= ~ACTION_RELOADVCPU_ON_STOP; - rc = SIE_INTERCEPT_RERUNVCPU; - vcpu->run->exit_reason = KVM_EXIT_INTR; - } - - if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) { - atomic_set_mask(CPUSTAT_STOPPED, - &vcpu->arch.sie_block->cpuflags); - vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP; - VCPU_EVENT(vcpu, 3, "%s", "cpu stopped"); - rc = -EOPNOTSUPP; - } - - if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) { - vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP; - /* store status must be called unlocked. Since local_int.lock - * only protects local_int.* and not guest memory we can give - * up the lock here */ - spin_unlock_bh(&vcpu->arch.local_int.lock); - rc = kvm_s390_vcpu_store_status(vcpu, - KVM_S390_STORE_STATUS_NOADDR); - if (rc >= 0) - rc = -EOPNOTSUPP; - } else - spin_unlock_bh(&vcpu->arch.local_int.lock); - return rc; -} - -static int handle_validity(struct kvm_vcpu *vcpu) -{ - unsigned long vmaddr; - int viwhy = vcpu->arch.sie_block->ipb >> 16; - int rc; - - vcpu->stat.exit_validity++; - if (viwhy == 0x37) { - vmaddr = gmap_fault(vcpu->arch.sie_block->prefix, - vcpu->arch.gmap); - if (IS_ERR_VALUE(vmaddr)) { - rc = -EOPNOTSUPP; - goto out; - } - rc = fault_in_pages_writeable((char __user *) vmaddr, - PAGE_SIZE); - if (rc) { - /* user will receive sigsegv, exit to user */ - rc = -EOPNOTSUPP; - goto out; - } - vmaddr = gmap_fault(vcpu->arch.sie_block->prefix + PAGE_SIZE, - vcpu->arch.gmap); - if (IS_ERR_VALUE(vmaddr)) { - rc = -EOPNOTSUPP; - goto out; - } - rc = fault_in_pages_writeable((char __user *) vmaddr, - PAGE_SIZE); - if (rc) { - /* user will receive sigsegv, exit to user */ - rc = -EOPNOTSUPP; - goto out; - } - } else - rc = -EOPNOTSUPP; - -out: - if (rc) - VCPU_EVENT(vcpu, 2, "unhandled validity intercept code %d", - viwhy); - return rc; -} - -static int handle_instruction(struct kvm_vcpu *vcpu) -{ - intercept_handler_t handler; - - vcpu->stat.exit_instruction++; - handler = instruction_handlers[vcpu->arch.sie_block->ipa >> 8]; - if (handler) - return handler(vcpu); - return -EOPNOTSUPP; -} - -static int handle_prog(struct kvm_vcpu *vcpu) -{ - vcpu->stat.exit_program_interruption++; - return kvm_s390_inject_program_int(vcpu, vcpu->arch.sie_block->iprcc); -} - -static int handle_instruction_and_prog(struct kvm_vcpu *vcpu) -{ - int rc, rc2; - - vcpu->stat.exit_instr_and_program++; - rc = handle_instruction(vcpu); - rc2 = handle_prog(vcpu); - - if (rc == -EOPNOTSUPP) - vcpu->arch.sie_block->icptcode = 0x04; - if (rc) - return rc; - return rc2; -} - -static const intercept_handler_t intercept_funcs[] = { - [0x00 >> 2] = handle_noop, - [0x04 >> 2] = handle_instruction, - [0x08 >> 2] = handle_prog, - [0x0C >> 2] = handle_instruction_and_prog, - [0x10 >> 2] = handle_noop, - [0x14 >> 2] = handle_noop, - [0x1C >> 2] = kvm_s390_handle_wait, - [0x20 >> 2] = handle_validity, - [0x28 >> 2] = handle_stop, -}; - -int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu) -{ - intercept_handler_t func; - u8 code = vcpu->arch.sie_block->icptcode; - - if (code & 3 || (code >> 2) >= ARRAY_SIZE(intercept_funcs)) - return -EOPNOTSUPP; - func = intercept_funcs[code >> 2]; - if (func) - return func(vcpu); - return -EOPNOTSUPP; -} diff --git a/ANDROID_3.4.5/arch/s390/kvm/interrupt.c b/ANDROID_3.4.5/arch/s390/kvm/interrupt.c deleted file mode 100644 index 2d9f9a72..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/interrupt.c +++ /dev/null @@ -1,641 +0,0 @@ -/* - * interrupt.c - handling kvm guest interrupts - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - */ - -#include <linux/interrupt.h> -#include <linux/kvm_host.h> -#include <linux/hrtimer.h> -#include <linux/signal.h> -#include <linux/slab.h> -#include <asm/asm-offsets.h> -#include <asm/uaccess.h> -#include "kvm-s390.h" -#include "gaccess.h" - -static int psw_extint_disabled(struct kvm_vcpu *vcpu) -{ - return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT); -} - -static int psw_interrupts_disabled(struct kvm_vcpu *vcpu) -{ - if ((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PER) || - (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_IO) || - (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_EXT)) - return 0; - return 1; -} - -static int __interrupt_is_deliverable(struct kvm_vcpu *vcpu, - struct kvm_s390_interrupt_info *inti) -{ - switch (inti->type) { - case KVM_S390_INT_EXTERNAL_CALL: - if (psw_extint_disabled(vcpu)) - return 0; - if (vcpu->arch.sie_block->gcr[0] & 0x2000ul) - return 1; - case KVM_S390_INT_EMERGENCY: - if (psw_extint_disabled(vcpu)) - return 0; - if (vcpu->arch.sie_block->gcr[0] & 0x4000ul) - return 1; - return 0; - case KVM_S390_INT_SERVICE: - if (psw_extint_disabled(vcpu)) - return 0; - if (vcpu->arch.sie_block->gcr[0] & 0x200ul) - return 1; - return 0; - case KVM_S390_INT_VIRTIO: - if (psw_extint_disabled(vcpu)) - return 0; - if (vcpu->arch.sie_block->gcr[0] & 0x200ul) - return 1; - return 0; - case KVM_S390_PROGRAM_INT: - case KVM_S390_SIGP_STOP: - case KVM_S390_SIGP_SET_PREFIX: - case KVM_S390_RESTART: - return 1; - default: - BUG(); - } - return 0; -} - -static void __set_cpu_idle(struct kvm_vcpu *vcpu) -{ - BUG_ON(vcpu->vcpu_id > KVM_MAX_VCPUS - 1); - atomic_set_mask(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); - set_bit(vcpu->vcpu_id, vcpu->arch.local_int.float_int->idle_mask); -} - -static void __unset_cpu_idle(struct kvm_vcpu *vcpu) -{ - BUG_ON(vcpu->vcpu_id > KVM_MAX_VCPUS - 1); - atomic_clear_mask(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); - clear_bit(vcpu->vcpu_id, vcpu->arch.local_int.float_int->idle_mask); -} - -static void __reset_intercept_indicators(struct kvm_vcpu *vcpu) -{ - atomic_clear_mask(CPUSTAT_ECALL_PEND | - CPUSTAT_IO_INT | CPUSTAT_EXT_INT | CPUSTAT_STOP_INT, - &vcpu->arch.sie_block->cpuflags); - vcpu->arch.sie_block->lctl = 0x0000; -} - -static void __set_cpuflag(struct kvm_vcpu *vcpu, u32 flag) -{ - atomic_set_mask(flag, &vcpu->arch.sie_block->cpuflags); -} - -static void __set_intercept_indicator(struct kvm_vcpu *vcpu, - struct kvm_s390_interrupt_info *inti) -{ - switch (inti->type) { - case KVM_S390_INT_EXTERNAL_CALL: - case KVM_S390_INT_EMERGENCY: - case KVM_S390_INT_SERVICE: - case KVM_S390_INT_VIRTIO: - if (psw_extint_disabled(vcpu)) - __set_cpuflag(vcpu, CPUSTAT_EXT_INT); - else - vcpu->arch.sie_block->lctl |= LCTL_CR0; - break; - case KVM_S390_SIGP_STOP: - __set_cpuflag(vcpu, CPUSTAT_STOP_INT); - break; - default: - BUG(); - } -} - -static void __do_deliver_interrupt(struct kvm_vcpu *vcpu, - struct kvm_s390_interrupt_info *inti) -{ - const unsigned short table[] = { 2, 4, 4, 6 }; - int rc, exception = 0; - - switch (inti->type) { - case KVM_S390_INT_EMERGENCY: - VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp emerg"); - vcpu->stat.deliver_emergency_signal++; - rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x1201); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, inti->emerg.code); - if (rc == -EFAULT) - exception = 1; - - rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_EXT_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - break; - - case KVM_S390_INT_EXTERNAL_CALL: - VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp ext call"); - vcpu->stat.deliver_external_call++; - rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x1202); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, inti->extcall.code); - if (rc == -EFAULT) - exception = 1; - - rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_EXT_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - break; - - case KVM_S390_INT_SERVICE: - VCPU_EVENT(vcpu, 4, "interrupt: sclp parm:%x", - inti->ext.ext_params); - vcpu->stat.deliver_service_signal++; - rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x2401); - if (rc == -EFAULT) - exception = 1; - - rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_EXT_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u32(vcpu, __LC_EXT_PARAMS, inti->ext.ext_params); - if (rc == -EFAULT) - exception = 1; - break; - - case KVM_S390_INT_VIRTIO: - VCPU_EVENT(vcpu, 4, "interrupt: virtio parm:%x,parm64:%llx", - inti->ext.ext_params, inti->ext.ext_params2); - vcpu->stat.deliver_virtio_interrupt++; - rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x2603); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u16(vcpu, __LC_EXT_CPU_ADDR, 0x0d00); - if (rc == -EFAULT) - exception = 1; - - rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_EXT_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u32(vcpu, __LC_EXT_PARAMS, inti->ext.ext_params); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u64(vcpu, __LC_EXT_PARAMS2, - inti->ext.ext_params2); - if (rc == -EFAULT) - exception = 1; - break; - - case KVM_S390_SIGP_STOP: - VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu stop"); - vcpu->stat.deliver_stop_signal++; - __set_intercept_indicator(vcpu, inti); - break; - - case KVM_S390_SIGP_SET_PREFIX: - VCPU_EVENT(vcpu, 4, "interrupt: set prefix to %x", - inti->prefix.address); - vcpu->stat.deliver_prefix_signal++; - kvm_s390_set_prefix(vcpu, inti->prefix.address); - break; - - case KVM_S390_RESTART: - VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu restart"); - vcpu->stat.deliver_restart_signal++; - rc = copy_to_guest(vcpu, offsetof(struct _lowcore, - restart_old_psw), &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - offsetof(struct _lowcore, restart_psw), sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); - break; - - case KVM_S390_PROGRAM_INT: - VCPU_EVENT(vcpu, 4, "interrupt: pgm check code:%x, ilc:%x", - inti->pgm.code, - table[vcpu->arch.sie_block->ipa >> 14]); - vcpu->stat.deliver_program_int++; - rc = put_guest_u16(vcpu, __LC_PGM_INT_CODE, inti->pgm.code); - if (rc == -EFAULT) - exception = 1; - - rc = put_guest_u16(vcpu, __LC_PGM_ILC, - table[vcpu->arch.sie_block->ipa >> 14]); - if (rc == -EFAULT) - exception = 1; - - rc = copy_to_guest(vcpu, __LC_PGM_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_PGM_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - break; - - default: - BUG(); - } - if (exception) { - printk("kvm: The guest lowcore is not mapped during interrupt " - "delivery, killing userspace\n"); - do_exit(SIGKILL); - } -} - -static int __try_deliver_ckc_interrupt(struct kvm_vcpu *vcpu) -{ - int rc, exception = 0; - - if (psw_extint_disabled(vcpu)) - return 0; - if (!(vcpu->arch.sie_block->gcr[0] & 0x800ul)) - return 0; - rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x1004); - if (rc == -EFAULT) - exception = 1; - rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, - &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, - __LC_EXT_NEW_PSW, sizeof(psw_t)); - if (rc == -EFAULT) - exception = 1; - if (exception) { - printk("kvm: The guest lowcore is not mapped during interrupt " - "delivery, killing userspace\n"); - do_exit(SIGKILL); - } - return 1; -} - -static int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu) -{ - struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; - struct kvm_s390_float_interrupt *fi = vcpu->arch.local_int.float_int; - struct kvm_s390_interrupt_info *inti; - int rc = 0; - - if (atomic_read(&li->active)) { - spin_lock_bh(&li->lock); - list_for_each_entry(inti, &li->list, list) - if (__interrupt_is_deliverable(vcpu, inti)) { - rc = 1; - break; - } - spin_unlock_bh(&li->lock); - } - - if ((!rc) && atomic_read(&fi->active)) { - spin_lock(&fi->lock); - list_for_each_entry(inti, &fi->list, list) - if (__interrupt_is_deliverable(vcpu, inti)) { - rc = 1; - break; - } - spin_unlock(&fi->lock); - } - - if ((!rc) && (vcpu->arch.sie_block->ckc < - get_clock() + vcpu->arch.sie_block->epoch)) { - if ((!psw_extint_disabled(vcpu)) && - (vcpu->arch.sie_block->gcr[0] & 0x800ul)) - rc = 1; - } - - return rc; -} - -int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) -{ - return 0; -} - -int kvm_s390_handle_wait(struct kvm_vcpu *vcpu) -{ - u64 now, sltime; - DECLARE_WAITQUEUE(wait, current); - - vcpu->stat.exit_wait_state++; - if (kvm_cpu_has_interrupt(vcpu)) - return 0; - - __set_cpu_idle(vcpu); - spin_lock_bh(&vcpu->arch.local_int.lock); - vcpu->arch.local_int.timer_due = 0; - spin_unlock_bh(&vcpu->arch.local_int.lock); - - if (psw_interrupts_disabled(vcpu)) { - VCPU_EVENT(vcpu, 3, "%s", "disabled wait"); - __unset_cpu_idle(vcpu); - return -EOPNOTSUPP; /* disabled wait */ - } - - if (psw_extint_disabled(vcpu) || - (!(vcpu->arch.sie_block->gcr[0] & 0x800ul))) { - VCPU_EVENT(vcpu, 3, "%s", "enabled wait w/o timer"); - goto no_timer; - } - - now = get_clock() + vcpu->arch.sie_block->epoch; - if (vcpu->arch.sie_block->ckc < now) { - __unset_cpu_idle(vcpu); - return 0; - } - - sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9; - - hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL); - VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime); -no_timer: - spin_lock(&vcpu->arch.local_int.float_int->lock); - spin_lock_bh(&vcpu->arch.local_int.lock); - add_wait_queue(&vcpu->arch.local_int.wq, &wait); - while (list_empty(&vcpu->arch.local_int.list) && - list_empty(&vcpu->arch.local_int.float_int->list) && - (!vcpu->arch.local_int.timer_due) && - !signal_pending(current)) { - set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_bh(&vcpu->arch.local_int.lock); - spin_unlock(&vcpu->arch.local_int.float_int->lock); - vcpu_put(vcpu); - schedule(); - vcpu_load(vcpu); - spin_lock(&vcpu->arch.local_int.float_int->lock); - spin_lock_bh(&vcpu->arch.local_int.lock); - } - __unset_cpu_idle(vcpu); - __set_current_state(TASK_RUNNING); - remove_wait_queue(&vcpu->arch.local_int.wq, &wait); - spin_unlock_bh(&vcpu->arch.local_int.lock); - spin_unlock(&vcpu->arch.local_int.float_int->lock); - hrtimer_try_to_cancel(&vcpu->arch.ckc_timer); - return 0; -} - -void kvm_s390_tasklet(unsigned long parm) -{ - struct kvm_vcpu *vcpu = (struct kvm_vcpu *) parm; - - spin_lock(&vcpu->arch.local_int.lock); - vcpu->arch.local_int.timer_due = 1; - if (waitqueue_active(&vcpu->arch.local_int.wq)) - wake_up_interruptible(&vcpu->arch.local_int.wq); - spin_unlock(&vcpu->arch.local_int.lock); -} - -/* - * low level hrtimer wake routine. Because this runs in hardirq context - * we schedule a tasklet to do the real work. - */ -enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer) -{ - struct kvm_vcpu *vcpu; - - vcpu = container_of(timer, struct kvm_vcpu, arch.ckc_timer); - tasklet_schedule(&vcpu->arch.tasklet); - - return HRTIMER_NORESTART; -} - -void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu) -{ - struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; - struct kvm_s390_float_interrupt *fi = vcpu->arch.local_int.float_int; - struct kvm_s390_interrupt_info *n, *inti = NULL; - int deliver; - - __reset_intercept_indicators(vcpu); - if (atomic_read(&li->active)) { - do { - deliver = 0; - spin_lock_bh(&li->lock); - list_for_each_entry_safe(inti, n, &li->list, list) { - if (__interrupt_is_deliverable(vcpu, inti)) { - list_del(&inti->list); - deliver = 1; - break; - } - __set_intercept_indicator(vcpu, inti); - } - if (list_empty(&li->list)) - atomic_set(&li->active, 0); - spin_unlock_bh(&li->lock); - if (deliver) { - __do_deliver_interrupt(vcpu, inti); - kfree(inti); - } - } while (deliver); - } - - if ((vcpu->arch.sie_block->ckc < - get_clock() + vcpu->arch.sie_block->epoch)) - __try_deliver_ckc_interrupt(vcpu); - - if (atomic_read(&fi->active)) { - do { - deliver = 0; - spin_lock(&fi->lock); - list_for_each_entry_safe(inti, n, &fi->list, list) { - if (__interrupt_is_deliverable(vcpu, inti)) { - list_del(&inti->list); - deliver = 1; - break; - } - __set_intercept_indicator(vcpu, inti); - } - if (list_empty(&fi->list)) - atomic_set(&fi->active, 0); - spin_unlock(&fi->lock); - if (deliver) { - __do_deliver_interrupt(vcpu, inti); - kfree(inti); - } - } while (deliver); - } -} - -int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code) -{ - struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; - struct kvm_s390_interrupt_info *inti; - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - inti->type = KVM_S390_PROGRAM_INT; - inti->pgm.code = code; - - VCPU_EVENT(vcpu, 3, "inject: program check %d (from kernel)", code); - spin_lock_bh(&li->lock); - list_add(&inti->list, &li->list); - atomic_set(&li->active, 1); - BUG_ON(waitqueue_active(&li->wq)); - spin_unlock_bh(&li->lock); - return 0; -} - -int kvm_s390_inject_vm(struct kvm *kvm, - struct kvm_s390_interrupt *s390int) -{ - struct kvm_s390_local_interrupt *li; - struct kvm_s390_float_interrupt *fi; - struct kvm_s390_interrupt_info *inti; - int sigcpu; - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - switch (s390int->type) { - case KVM_S390_INT_VIRTIO: - VM_EVENT(kvm, 5, "inject: virtio parm:%x,parm64:%llx", - s390int->parm, s390int->parm64); - inti->type = s390int->type; - inti->ext.ext_params = s390int->parm; - inti->ext.ext_params2 = s390int->parm64; - break; - case KVM_S390_INT_SERVICE: - VM_EVENT(kvm, 5, "inject: sclp parm:%x", s390int->parm); - inti->type = s390int->type; - inti->ext.ext_params = s390int->parm; - break; - case KVM_S390_PROGRAM_INT: - case KVM_S390_SIGP_STOP: - case KVM_S390_INT_EXTERNAL_CALL: - case KVM_S390_INT_EMERGENCY: - default: - kfree(inti); - return -EINVAL; - } - - mutex_lock(&kvm->lock); - fi = &kvm->arch.float_int; - spin_lock(&fi->lock); - list_add_tail(&inti->list, &fi->list); - atomic_set(&fi->active, 1); - sigcpu = find_first_bit(fi->idle_mask, KVM_MAX_VCPUS); - if (sigcpu == KVM_MAX_VCPUS) { - do { - sigcpu = fi->next_rr_cpu++; - if (sigcpu == KVM_MAX_VCPUS) - sigcpu = fi->next_rr_cpu = 0; - } while (fi->local_int[sigcpu] == NULL); - } - li = fi->local_int[sigcpu]; - spin_lock_bh(&li->lock); - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&li->wq); - spin_unlock_bh(&li->lock); - spin_unlock(&fi->lock); - mutex_unlock(&kvm->lock); - return 0; -} - -int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, - struct kvm_s390_interrupt *s390int) -{ - struct kvm_s390_local_interrupt *li; - struct kvm_s390_interrupt_info *inti; - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - switch (s390int->type) { - case KVM_S390_PROGRAM_INT: - if (s390int->parm & 0xffff0000) { - kfree(inti); - return -EINVAL; - } - inti->type = s390int->type; - inti->pgm.code = s390int->parm; - VCPU_EVENT(vcpu, 3, "inject: program check %d (from user)", - s390int->parm); - break; - case KVM_S390_SIGP_SET_PREFIX: - inti->prefix.address = s390int->parm; - inti->type = s390int->type; - VCPU_EVENT(vcpu, 3, "inject: set prefix to %x (from user)", - s390int->parm); - break; - case KVM_S390_SIGP_STOP: - case KVM_S390_RESTART: - case KVM_S390_INT_EXTERNAL_CALL: - case KVM_S390_INT_EMERGENCY: - VCPU_EVENT(vcpu, 3, "inject: type %x", s390int->type); - inti->type = s390int->type; - break; - case KVM_S390_INT_VIRTIO: - case KVM_S390_INT_SERVICE: - default: - kfree(inti); - return -EINVAL; - } - - mutex_lock(&vcpu->kvm->lock); - li = &vcpu->arch.local_int; - spin_lock_bh(&li->lock); - if (inti->type == KVM_S390_PROGRAM_INT) - list_add(&inti->list, &li->list); - else - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - if (inti->type == KVM_S390_SIGP_STOP) - li->action_bits |= ACTION_STOP_ON_STOP; - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&vcpu->arch.local_int.wq); - spin_unlock_bh(&li->lock); - mutex_unlock(&vcpu->kvm->lock); - return 0; -} diff --git a/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.c b/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.c deleted file mode 100644 index 217ce443..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.c +++ /dev/null @@ -1,908 +0,0 @@ -/* - * s390host.c -- hosting zSeries kernel virtual machines - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - * Heiko Carstens <heiko.carstens@de.ibm.com> - * Christian Ehrhardt <ehrhardt@de.ibm.com> - */ - -#include <linux/compiler.h> -#include <linux/err.h> -#include <linux/fs.h> -#include <linux/hrtimer.h> -#include <linux/init.h> -#include <linux/kvm.h> -#include <linux/kvm_host.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/timer.h> -#include <asm/asm-offsets.h> -#include <asm/lowcore.h> -#include <asm/pgtable.h> -#include <asm/nmi.h> -#include <asm/switch_to.h> -#include "kvm-s390.h" -#include "gaccess.h" - -#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU - -struct kvm_stats_debugfs_item debugfs_entries[] = { - { "userspace_handled", VCPU_STAT(exit_userspace) }, - { "exit_null", VCPU_STAT(exit_null) }, - { "exit_validity", VCPU_STAT(exit_validity) }, - { "exit_stop_request", VCPU_STAT(exit_stop_request) }, - { "exit_external_request", VCPU_STAT(exit_external_request) }, - { "exit_external_interrupt", VCPU_STAT(exit_external_interrupt) }, - { "exit_instruction", VCPU_STAT(exit_instruction) }, - { "exit_program_interruption", VCPU_STAT(exit_program_interruption) }, - { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) }, - { "instruction_lctlg", VCPU_STAT(instruction_lctlg) }, - { "instruction_lctl", VCPU_STAT(instruction_lctl) }, - { "deliver_emergency_signal", VCPU_STAT(deliver_emergency_signal) }, - { "deliver_external_call", VCPU_STAT(deliver_external_call) }, - { "deliver_service_signal", VCPU_STAT(deliver_service_signal) }, - { "deliver_virtio_interrupt", VCPU_STAT(deliver_virtio_interrupt) }, - { "deliver_stop_signal", VCPU_STAT(deliver_stop_signal) }, - { "deliver_prefix_signal", VCPU_STAT(deliver_prefix_signal) }, - { "deliver_restart_signal", VCPU_STAT(deliver_restart_signal) }, - { "deliver_program_interruption", VCPU_STAT(deliver_program_int) }, - { "exit_wait_state", VCPU_STAT(exit_wait_state) }, - { "instruction_stidp", VCPU_STAT(instruction_stidp) }, - { "instruction_spx", VCPU_STAT(instruction_spx) }, - { "instruction_stpx", VCPU_STAT(instruction_stpx) }, - { "instruction_stap", VCPU_STAT(instruction_stap) }, - { "instruction_storage_key", VCPU_STAT(instruction_storage_key) }, - { "instruction_stsch", VCPU_STAT(instruction_stsch) }, - { "instruction_chsc", VCPU_STAT(instruction_chsc) }, - { "instruction_stsi", VCPU_STAT(instruction_stsi) }, - { "instruction_stfl", VCPU_STAT(instruction_stfl) }, - { "instruction_tprot", VCPU_STAT(instruction_tprot) }, - { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) }, - { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) }, - { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) }, - { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) }, - { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) }, - { "instruction_sigp_set_arch", VCPU_STAT(instruction_sigp_arch) }, - { "instruction_sigp_set_prefix", VCPU_STAT(instruction_sigp_prefix) }, - { "instruction_sigp_restart", VCPU_STAT(instruction_sigp_restart) }, - { "diagnose_10", VCPU_STAT(diagnose_10) }, - { "diagnose_44", VCPU_STAT(diagnose_44) }, - { NULL } -}; - -static unsigned long long *facilities; - -/* Section: not file related */ -int kvm_arch_hardware_enable(void *garbage) -{ - /* every s390 is virtualization enabled ;-) */ - return 0; -} - -void kvm_arch_hardware_disable(void *garbage) -{ -} - -int kvm_arch_hardware_setup(void) -{ - return 0; -} - -void kvm_arch_hardware_unsetup(void) -{ -} - -void kvm_arch_check_processor_compat(void *rtn) -{ -} - -int kvm_arch_init(void *opaque) -{ - return 0; -} - -void kvm_arch_exit(void) -{ -} - -/* Section: device related */ -long kvm_arch_dev_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - if (ioctl == KVM_S390_ENABLE_SIE) - return s390_enable_sie(); - return -EINVAL; -} - -int kvm_dev_ioctl_check_extension(long ext) -{ - int r; - - switch (ext) { - case KVM_CAP_S390_PSW: - case KVM_CAP_S390_GMAP: - case KVM_CAP_SYNC_MMU: -#ifdef CONFIG_KVM_S390_UCONTROL - case KVM_CAP_S390_UCONTROL: -#endif - case KVM_CAP_SYNC_REGS: - r = 1; - break; - default: - r = 0; - } - return r; -} - -/* Section: vm related */ -/* - * Get (and clear) the dirty memory log for a memory slot. - */ -int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, - struct kvm_dirty_log *log) -{ - return 0; -} - -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - struct kvm *kvm = filp->private_data; - void __user *argp = (void __user *)arg; - int r; - - switch (ioctl) { - case KVM_S390_INTERRUPT: { - struct kvm_s390_interrupt s390int; - - r = -EFAULT; - if (copy_from_user(&s390int, argp, sizeof(s390int))) - break; - r = kvm_s390_inject_vm(kvm, &s390int); - break; - } - default: - r = -ENOTTY; - } - - return r; -} - -int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) -{ - int rc; - char debug_name[16]; - - rc = -EINVAL; -#ifdef CONFIG_KVM_S390_UCONTROL - if (type & ~KVM_VM_S390_UCONTROL) - goto out_err; - if ((type & KVM_VM_S390_UCONTROL) && (!capable(CAP_SYS_ADMIN))) - goto out_err; -#else - if (type) - goto out_err; -#endif - - rc = s390_enable_sie(); - if (rc) - goto out_err; - - rc = -ENOMEM; - - kvm->arch.sca = (struct sca_block *) get_zeroed_page(GFP_KERNEL); - if (!kvm->arch.sca) - goto out_err; - - sprintf(debug_name, "kvm-%u", current->pid); - - kvm->arch.dbf = debug_register(debug_name, 8, 2, 8 * sizeof(long)); - if (!kvm->arch.dbf) - goto out_nodbf; - - spin_lock_init(&kvm->arch.float_int.lock); - INIT_LIST_HEAD(&kvm->arch.float_int.list); - - debug_register_view(kvm->arch.dbf, &debug_sprintf_view); - VM_EVENT(kvm, 3, "%s", "vm created"); - - if (type & KVM_VM_S390_UCONTROL) { - kvm->arch.gmap = NULL; - } else { - kvm->arch.gmap = gmap_alloc(current->mm); - if (!kvm->arch.gmap) - goto out_nogmap; - } - return 0; -out_nogmap: - debug_unregister(kvm->arch.dbf); -out_nodbf: - free_page((unsigned long)(kvm->arch.sca)); -out_err: - return rc; -} - -void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) -{ - VCPU_EVENT(vcpu, 3, "%s", "free cpu"); - if (!kvm_is_ucontrol(vcpu->kvm)) { - clear_bit(63 - vcpu->vcpu_id, - (unsigned long *) &vcpu->kvm->arch.sca->mcn); - if (vcpu->kvm->arch.sca->cpu[vcpu->vcpu_id].sda == - (__u64) vcpu->arch.sie_block) - vcpu->kvm->arch.sca->cpu[vcpu->vcpu_id].sda = 0; - } - smp_mb(); - - if (kvm_is_ucontrol(vcpu->kvm)) - gmap_free(vcpu->arch.gmap); - - free_page((unsigned long)(vcpu->arch.sie_block)); - kvm_vcpu_uninit(vcpu); - kfree(vcpu); -} - -static void kvm_free_vcpus(struct kvm *kvm) -{ - unsigned int i; - struct kvm_vcpu *vcpu; - - kvm_for_each_vcpu(i, vcpu, kvm) - kvm_arch_vcpu_destroy(vcpu); - - mutex_lock(&kvm->lock); - for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) - kvm->vcpus[i] = NULL; - - atomic_set(&kvm->online_vcpus, 0); - mutex_unlock(&kvm->lock); -} - -void kvm_arch_sync_events(struct kvm *kvm) -{ -} - -void kvm_arch_destroy_vm(struct kvm *kvm) -{ - kvm_free_vcpus(kvm); - free_page((unsigned long)(kvm->arch.sca)); - debug_unregister(kvm->arch.dbf); - if (!kvm_is_ucontrol(kvm)) - gmap_free(kvm->arch.gmap); -} - -/* Section: vcpu related */ -int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) -{ - if (kvm_is_ucontrol(vcpu->kvm)) { - vcpu->arch.gmap = gmap_alloc(current->mm); - if (!vcpu->arch.gmap) - return -ENOMEM; - return 0; - } - - vcpu->arch.gmap = vcpu->kvm->arch.gmap; - vcpu->run->kvm_valid_regs = KVM_SYNC_PREFIX | - KVM_SYNC_GPRS | - KVM_SYNC_ACRS | - KVM_SYNC_CRS; - return 0; -} - -void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) -{ - /* Nothing todo */ -} - -void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) -{ - save_fp_regs(&vcpu->arch.host_fpregs); - save_access_regs(vcpu->arch.host_acrs); - vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK; - restore_fp_regs(&vcpu->arch.guest_fpregs); - restore_access_regs(vcpu->run->s.regs.acrs); - gmap_enable(vcpu->arch.gmap); - atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); -} - -void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) -{ - atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); - gmap_disable(vcpu->arch.gmap); - save_fp_regs(&vcpu->arch.guest_fpregs); - save_access_regs(vcpu->run->s.regs.acrs); - restore_fp_regs(&vcpu->arch.host_fpregs); - restore_access_regs(vcpu->arch.host_acrs); -} - -static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) -{ - /* this equals initial cpu reset in pop, but we don't switch to ESA */ - vcpu->arch.sie_block->gpsw.mask = 0UL; - vcpu->arch.sie_block->gpsw.addr = 0UL; - kvm_s390_set_prefix(vcpu, 0); - vcpu->arch.sie_block->cputm = 0UL; - vcpu->arch.sie_block->ckc = 0UL; - vcpu->arch.sie_block->todpr = 0; - memset(vcpu->arch.sie_block->gcr, 0, 16 * sizeof(__u64)); - vcpu->arch.sie_block->gcr[0] = 0xE0UL; - vcpu->arch.sie_block->gcr[14] = 0xC2000000UL; - vcpu->arch.guest_fpregs.fpc = 0; - asm volatile("lfpc %0" : : "Q" (vcpu->arch.guest_fpregs.fpc)); - vcpu->arch.sie_block->gbea = 1; -} - -int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) -{ - atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | - CPUSTAT_SM | - CPUSTAT_STOPPED); - vcpu->arch.sie_block->ecb = 6; - vcpu->arch.sie_block->eca = 0xC1002001U; - vcpu->arch.sie_block->fac = (int) (long) facilities; - hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); - tasklet_init(&vcpu->arch.tasklet, kvm_s390_tasklet, - (unsigned long) vcpu); - vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup; - get_cpu_id(&vcpu->arch.cpu_id); - vcpu->arch.cpu_id.version = 0xff; - return 0; -} - -struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, - unsigned int id) -{ - struct kvm_vcpu *vcpu; - int rc = -EINVAL; - - if (id >= KVM_MAX_VCPUS) - goto out; - - rc = -ENOMEM; - - vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL); - if (!vcpu) - goto out; - - vcpu->arch.sie_block = (struct kvm_s390_sie_block *) - get_zeroed_page(GFP_KERNEL); - - if (!vcpu->arch.sie_block) - goto out_free_cpu; - - vcpu->arch.sie_block->icpua = id; - if (!kvm_is_ucontrol(kvm)) { - if (!kvm->arch.sca) { - WARN_ON_ONCE(1); - goto out_free_cpu; - } - if (!kvm->arch.sca->cpu[id].sda) - kvm->arch.sca->cpu[id].sda = - (__u64) vcpu->arch.sie_block; - vcpu->arch.sie_block->scaoh = - (__u32)(((__u64)kvm->arch.sca) >> 32); - vcpu->arch.sie_block->scaol = (__u32)(__u64)kvm->arch.sca; - set_bit(63 - id, (unsigned long *) &kvm->arch.sca->mcn); - } - - spin_lock_init(&vcpu->arch.local_int.lock); - INIT_LIST_HEAD(&vcpu->arch.local_int.list); - vcpu->arch.local_int.float_int = &kvm->arch.float_int; - spin_lock(&kvm->arch.float_int.lock); - kvm->arch.float_int.local_int[id] = &vcpu->arch.local_int; - init_waitqueue_head(&vcpu->arch.local_int.wq); - vcpu->arch.local_int.cpuflags = &vcpu->arch.sie_block->cpuflags; - spin_unlock(&kvm->arch.float_int.lock); - - rc = kvm_vcpu_init(vcpu, kvm, id); - if (rc) - goto out_free_sie_block; - VM_EVENT(kvm, 3, "create cpu %d at %p, sie block at %p", id, vcpu, - vcpu->arch.sie_block); - - return vcpu; -out_free_sie_block: - free_page((unsigned long)(vcpu->arch.sie_block)); -out_free_cpu: - kfree(vcpu); -out: - return ERR_PTR(rc); -} - -int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) -{ - /* kvm common code refers to this, but never calls it */ - BUG(); - return 0; -} - -static int kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu) -{ - kvm_s390_vcpu_initial_reset(vcpu); - return 0; -} - -int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) -{ - memcpy(&vcpu->run->s.regs.gprs, ®s->gprs, sizeof(regs->gprs)); - return 0; -} - -int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) -{ - memcpy(®s->gprs, &vcpu->run->s.regs.gprs, sizeof(regs->gprs)); - return 0; -} - -int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, - struct kvm_sregs *sregs) -{ - memcpy(&vcpu->run->s.regs.acrs, &sregs->acrs, sizeof(sregs->acrs)); - memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs)); - restore_access_regs(vcpu->run->s.regs.acrs); - return 0; -} - -int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, - struct kvm_sregs *sregs) -{ - memcpy(&sregs->acrs, &vcpu->run->s.regs.acrs, sizeof(sregs->acrs)); - memcpy(&sregs->crs, &vcpu->arch.sie_block->gcr, sizeof(sregs->crs)); - return 0; -} - -int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) -{ - memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs)); - vcpu->arch.guest_fpregs.fpc = fpu->fpc & FPC_VALID_MASK; - restore_fp_regs(&vcpu->arch.guest_fpregs); - return 0; -} - -int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) -{ - memcpy(&fpu->fprs, &vcpu->arch.guest_fpregs.fprs, sizeof(fpu->fprs)); - fpu->fpc = vcpu->arch.guest_fpregs.fpc; - return 0; -} - -static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw) -{ - int rc = 0; - - if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED)) - rc = -EBUSY; - else { - vcpu->run->psw_mask = psw.mask; - vcpu->run->psw_addr = psw.addr; - } - return rc; -} - -int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, - struct kvm_translation *tr) -{ - return -EINVAL; /* not implemented yet */ -} - -int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg) -{ - return -EINVAL; /* not implemented yet */ -} - -int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, - struct kvm_mp_state *mp_state) -{ - return -EINVAL; /* not implemented yet */ -} - -int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, - struct kvm_mp_state *mp_state) -{ - return -EINVAL; /* not implemented yet */ -} - -static int __vcpu_run(struct kvm_vcpu *vcpu) -{ - int rc; - - memcpy(&vcpu->arch.sie_block->gg14, &vcpu->run->s.regs.gprs[14], 16); - - if (need_resched()) - schedule(); - - if (test_thread_flag(TIF_MCCK_PENDING)) - s390_handle_mcck(); - - if (!kvm_is_ucontrol(vcpu->kvm)) - kvm_s390_deliver_pending_interrupts(vcpu); - - vcpu->arch.sie_block->icptcode = 0; - local_irq_disable(); - kvm_guest_enter(); - local_irq_enable(); - VCPU_EVENT(vcpu, 6, "entering sie flags %x", - atomic_read(&vcpu->arch.sie_block->cpuflags)); - rc = sie64a(vcpu->arch.sie_block, vcpu->run->s.regs.gprs); - if (rc) { - if (kvm_is_ucontrol(vcpu->kvm)) { - rc = SIE_INTERCEPT_UCONTROL; - } else { - VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction"); - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - rc = 0; - } - } - VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", - vcpu->arch.sie_block->icptcode); - local_irq_disable(); - kvm_guest_exit(); - local_irq_enable(); - - memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16); - return rc; -} - -int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) -{ - int rc; - sigset_t sigsaved; - -rerun_vcpu: - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - - atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); - - BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL); - - switch (kvm_run->exit_reason) { - case KVM_EXIT_S390_SIEIC: - case KVM_EXIT_UNKNOWN: - case KVM_EXIT_INTR: - case KVM_EXIT_S390_RESET: - case KVM_EXIT_S390_UCONTROL: - break; - default: - BUG(); - } - - vcpu->arch.sie_block->gpsw.mask = kvm_run->psw_mask; - vcpu->arch.sie_block->gpsw.addr = kvm_run->psw_addr; - if (kvm_run->kvm_dirty_regs & KVM_SYNC_PREFIX) { - kvm_run->kvm_dirty_regs &= ~KVM_SYNC_PREFIX; - kvm_s390_set_prefix(vcpu, kvm_run->s.regs.prefix); - } - if (kvm_run->kvm_dirty_regs & KVM_SYNC_CRS) { - kvm_run->kvm_dirty_regs &= ~KVM_SYNC_CRS; - memcpy(&vcpu->arch.sie_block->gcr, &kvm_run->s.regs.crs, 128); - kvm_s390_set_prefix(vcpu, kvm_run->s.regs.prefix); - } - - might_fault(); - - do { - rc = __vcpu_run(vcpu); - if (rc) - break; - if (kvm_is_ucontrol(vcpu->kvm)) - rc = -EOPNOTSUPP; - else - rc = kvm_handle_sie_intercept(vcpu); - } while (!signal_pending(current) && !rc); - - if (rc == SIE_INTERCEPT_RERUNVCPU) - goto rerun_vcpu; - - if (signal_pending(current) && !rc) { - kvm_run->exit_reason = KVM_EXIT_INTR; - rc = -EINTR; - } - -#ifdef CONFIG_KVM_S390_UCONTROL - if (rc == SIE_INTERCEPT_UCONTROL) { - kvm_run->exit_reason = KVM_EXIT_S390_UCONTROL; - kvm_run->s390_ucontrol.trans_exc_code = - current->thread.gmap_addr; - kvm_run->s390_ucontrol.pgm_code = 0x10; - rc = 0; - } -#endif - - if (rc == -EOPNOTSUPP) { - /* intercept cannot be handled in-kernel, prepare kvm-run */ - kvm_run->exit_reason = KVM_EXIT_S390_SIEIC; - kvm_run->s390_sieic.icptcode = vcpu->arch.sie_block->icptcode; - kvm_run->s390_sieic.ipa = vcpu->arch.sie_block->ipa; - kvm_run->s390_sieic.ipb = vcpu->arch.sie_block->ipb; - rc = 0; - } - - if (rc == -EREMOTE) { - /* intercept was handled, but userspace support is needed - * kvm_run has been prepared by the handler */ - rc = 0; - } - - kvm_run->psw_mask = vcpu->arch.sie_block->gpsw.mask; - kvm_run->psw_addr = vcpu->arch.sie_block->gpsw.addr; - kvm_run->s.regs.prefix = vcpu->arch.sie_block->prefix; - memcpy(&kvm_run->s.regs.crs, &vcpu->arch.sie_block->gcr, 128); - - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); - - vcpu->stat.exit_userspace++; - return rc; -} - -static int __guestcopy(struct kvm_vcpu *vcpu, u64 guestdest, void *from, - unsigned long n, int prefix) -{ - if (prefix) - return copy_to_guest(vcpu, guestdest, from, n); - else - return copy_to_guest_absolute(vcpu, guestdest, from, n); -} - -/* - * store status at address - * we use have two special cases: - * KVM_S390_STORE_STATUS_NOADDR: -> 0x1200 on 64 bit - * KVM_S390_STORE_STATUS_PREFIXED: -> prefix - */ -int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr) -{ - unsigned char archmode = 1; - int prefix; - - if (addr == KVM_S390_STORE_STATUS_NOADDR) { - if (copy_to_guest_absolute(vcpu, 163ul, &archmode, 1)) - return -EFAULT; - addr = SAVE_AREA_BASE; - prefix = 0; - } else if (addr == KVM_S390_STORE_STATUS_PREFIXED) { - if (copy_to_guest(vcpu, 163ul, &archmode, 1)) - return -EFAULT; - addr = SAVE_AREA_BASE; - prefix = 1; - } else - prefix = 0; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, fp_regs), - vcpu->arch.guest_fpregs.fprs, 128, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, gp_regs), - vcpu->run->s.regs.gprs, 128, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, psw), - &vcpu->arch.sie_block->gpsw, 16, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, pref_reg), - &vcpu->arch.sie_block->prefix, 4, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, - addr + offsetof(struct save_area, fp_ctrl_reg), - &vcpu->arch.guest_fpregs.fpc, 4, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, tod_reg), - &vcpu->arch.sie_block->todpr, 4, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, timer), - &vcpu->arch.sie_block->cputm, 8, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, clk_cmp), - &vcpu->arch.sie_block->ckc, 8, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, addr + offsetof(struct save_area, acc_regs), - &vcpu->run->s.regs.acrs, 64, prefix)) - return -EFAULT; - - if (__guestcopy(vcpu, - addr + offsetof(struct save_area, ctrl_regs), - &vcpu->arch.sie_block->gcr, 128, prefix)) - return -EFAULT; - return 0; -} - -long kvm_arch_vcpu_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) -{ - struct kvm_vcpu *vcpu = filp->private_data; - void __user *argp = (void __user *)arg; - long r; - - switch (ioctl) { - case KVM_S390_INTERRUPT: { - struct kvm_s390_interrupt s390int; - - r = -EFAULT; - if (copy_from_user(&s390int, argp, sizeof(s390int))) - break; - r = kvm_s390_inject_vcpu(vcpu, &s390int); - break; - } - case KVM_S390_STORE_STATUS: - r = kvm_s390_vcpu_store_status(vcpu, arg); - break; - case KVM_S390_SET_INITIAL_PSW: { - psw_t psw; - - r = -EFAULT; - if (copy_from_user(&psw, argp, sizeof(psw))) - break; - r = kvm_arch_vcpu_ioctl_set_initial_psw(vcpu, psw); - break; - } - case KVM_S390_INITIAL_RESET: - r = kvm_arch_vcpu_ioctl_initial_reset(vcpu); - break; -#ifdef CONFIG_KVM_S390_UCONTROL - case KVM_S390_UCAS_MAP: { - struct kvm_s390_ucas_mapping ucasmap; - - if (copy_from_user(&ucasmap, argp, sizeof(ucasmap))) { - r = -EFAULT; - break; - } - - if (!kvm_is_ucontrol(vcpu->kvm)) { - r = -EINVAL; - break; - } - - r = gmap_map_segment(vcpu->arch.gmap, ucasmap.user_addr, - ucasmap.vcpu_addr, ucasmap.length); - break; - } - case KVM_S390_UCAS_UNMAP: { - struct kvm_s390_ucas_mapping ucasmap; - - if (copy_from_user(&ucasmap, argp, sizeof(ucasmap))) { - r = -EFAULT; - break; - } - - if (!kvm_is_ucontrol(vcpu->kvm)) { - r = -EINVAL; - break; - } - - r = gmap_unmap_segment(vcpu->arch.gmap, ucasmap.vcpu_addr, - ucasmap.length); - break; - } -#endif - case KVM_S390_VCPU_FAULT: { - r = gmap_fault(arg, vcpu->arch.gmap); - if (!IS_ERR_VALUE(r)) - r = 0; - break; - } - default: - r = -ENOTTY; - } - return r; -} - -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) -{ -#ifdef CONFIG_KVM_S390_UCONTROL - if ((vmf->pgoff == KVM_S390_SIE_PAGE_OFFSET) - && (kvm_is_ucontrol(vcpu->kvm))) { - vmf->page = virt_to_page(vcpu->arch.sie_block); - get_page(vmf->page); - return 0; - } -#endif - return VM_FAULT_SIGBUS; -} - -void kvm_arch_free_memslot(struct kvm_memory_slot *free, - struct kvm_memory_slot *dont) -{ -} - -int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages) -{ - return 0; -} - -/* Section: memory related */ -int kvm_arch_prepare_memory_region(struct kvm *kvm, - struct kvm_memory_slot *memslot, - struct kvm_memory_slot old, - struct kvm_userspace_memory_region *mem, - int user_alloc) -{ - /* A few sanity checks. We can have exactly one memory slot which has - to start at guest virtual zero and which has to be located at a - page boundary in userland and which has to end at a page boundary. - The memory in userland is ok to be fragmented into various different - vmas. It is okay to mmap() and munmap() stuff in this slot after - doing this call at any time */ - - if (mem->slot) - return -EINVAL; - - if (mem->guest_phys_addr) - return -EINVAL; - - if (mem->userspace_addr & 0xffffful) - return -EINVAL; - - if (mem->memory_size & 0xffffful) - return -EINVAL; - - if (!user_alloc) - return -EINVAL; - - return 0; -} - -void kvm_arch_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, - struct kvm_memory_slot old, - int user_alloc) -{ - int rc; - - - rc = gmap_map_segment(kvm->arch.gmap, mem->userspace_addr, - mem->guest_phys_addr, mem->memory_size); - if (rc) - printk(KERN_WARNING "kvm-s390: failed to commit memory region\n"); - return; -} - -void kvm_arch_flush_shadow(struct kvm *kvm) -{ -} - -static int __init kvm_s390_init(void) -{ - int ret; - ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); - if (ret) - return ret; - - /* - * guests can ask for up to 255+1 double words, we need a full page - * to hold the maximum amount of facilities. On the other hand, we - * only set facilities that are known to work in KVM. - */ - facilities = (unsigned long long *) get_zeroed_page(GFP_KERNEL|GFP_DMA); - if (!facilities) { - kvm_exit(); - return -ENOMEM; - } - memcpy(facilities, S390_lowcore.stfle_fac_list, 16); - facilities[0] &= 0xff00fff3f47c0000ULL; - facilities[1] &= 0x201c000000000000ULL; - return 0; -} - -static void __exit kvm_s390_exit(void) -{ - free_page((unsigned long) facilities); - kvm_exit(); -} - -module_init(kvm_s390_init); -module_exit(kvm_s390_exit); diff --git a/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.h b/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.h deleted file mode 100644 index ff28f9d1..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/kvm-s390.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * kvm_s390.h - definition for kvm on s390 - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - * Christian Ehrhardt <ehrhardt@de.ibm.com> - */ - -#ifndef ARCH_S390_KVM_S390_H -#define ARCH_S390_KVM_S390_H - -#include <linux/hrtimer.h> -#include <linux/kvm.h> -#include <linux/kvm_host.h> - -/* The current code can have up to 256 pages for virtio */ -#define VIRTIODESCSPACE (256ul * 4096ul) - -typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu); - -/* negativ values are error codes, positive values for internal conditions */ -#define SIE_INTERCEPT_RERUNVCPU (1<<0) -#define SIE_INTERCEPT_UCONTROL (1<<1) -int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu); - -#define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\ -do { \ - debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \ - d_args); \ -} while (0) - -#define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\ -do { \ - debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \ - "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \ - d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\ - d_args); \ -} while (0) - -static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu) -{ - return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT; -} - -static inline int kvm_is_ucontrol(struct kvm *kvm) -{ -#ifdef CONFIG_KVM_S390_UCONTROL - if (kvm->arch.gmap) - return 0; - return 1; -#else - return 0; -#endif -} - -static inline void kvm_s390_set_prefix(struct kvm_vcpu *vcpu, u32 prefix) -{ - vcpu->arch.sie_block->prefix = prefix & 0x7fffe000u; - vcpu->arch.sie_block->ihcpu = 0xffff; -} - -int kvm_s390_handle_wait(struct kvm_vcpu *vcpu); -enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer); -void kvm_s390_tasklet(unsigned long parm); -void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu); -int kvm_s390_inject_vm(struct kvm *kvm, - struct kvm_s390_interrupt *s390int); -int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, - struct kvm_s390_interrupt *s390int); -int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code); -int kvm_s390_inject_sigp_stop(struct kvm_vcpu *vcpu, int action); - -/* implemented in priv.c */ -int kvm_s390_handle_b2(struct kvm_vcpu *vcpu); -int kvm_s390_handle_e5(struct kvm_vcpu *vcpu); - -/* implemented in sigp.c */ -int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu); - -/* implemented in kvm-s390.c */ -int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, - unsigned long addr); -/* implemented in diag.c */ -int kvm_s390_handle_diag(struct kvm_vcpu *vcpu); - -#endif diff --git a/ANDROID_3.4.5/arch/s390/kvm/priv.c b/ANDROID_3.4.5/arch/s390/kvm/priv.c deleted file mode 100644 index e5a45dbd..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/priv.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - * priv.c - handling privileged instructions - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#include <linux/kvm.h> -#include <linux/gfp.h> -#include <linux/errno.h> -#include <asm/current.h> -#include <asm/debug.h> -#include <asm/ebcdic.h> -#include <asm/sysinfo.h> -#include "gaccess.h" -#include "kvm-s390.h" - -static int handle_set_prefix(struct kvm_vcpu *vcpu) -{ - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 operand2; - u32 address = 0; - u8 tmp; - - vcpu->stat.instruction_spx++; - - operand2 = disp2; - if (base2) - operand2 += vcpu->run->s.regs.gprs[base2]; - - /* must be word boundary */ - if (operand2 & 3) { - kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - goto out; - } - - /* get the value */ - if (get_guest_u32(vcpu, operand2, &address)) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out; - } - - address = address & 0x7fffe000u; - - /* make sure that the new value is valid memory */ - if (copy_from_guest_absolute(vcpu, &tmp, address, 1) || - (copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1))) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out; - } - - kvm_s390_set_prefix(vcpu, address); - - VCPU_EVENT(vcpu, 5, "setting prefix to %x", address); -out: - return 0; -} - -static int handle_store_prefix(struct kvm_vcpu *vcpu) -{ - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 operand2; - u32 address; - - vcpu->stat.instruction_stpx++; - operand2 = disp2; - if (base2) - operand2 += vcpu->run->s.regs.gprs[base2]; - - /* must be word boundary */ - if (operand2 & 3) { - kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - goto out; - } - - address = vcpu->arch.sie_block->prefix; - address = address & 0x7fffe000u; - - /* get the value */ - if (put_guest_u32(vcpu, operand2, address)) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out; - } - - VCPU_EVENT(vcpu, 5, "storing prefix to %x", address); -out: - return 0; -} - -static int handle_store_cpu_address(struct kvm_vcpu *vcpu) -{ - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 useraddr; - int rc; - - vcpu->stat.instruction_stap++; - useraddr = disp2; - if (base2) - useraddr += vcpu->run->s.regs.gprs[base2]; - - if (useraddr & 1) { - kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - goto out; - } - - rc = put_guest_u16(vcpu, useraddr, vcpu->vcpu_id); - if (rc == -EFAULT) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out; - } - - VCPU_EVENT(vcpu, 5, "storing cpu address to %llx", useraddr); -out: - return 0; -} - -static int handle_skey(struct kvm_vcpu *vcpu) -{ - vcpu->stat.instruction_storage_key++; - vcpu->arch.sie_block->gpsw.addr -= 4; - VCPU_EVENT(vcpu, 4, "%s", "retrying storage key operation"); - return 0; -} - -static int handle_stsch(struct kvm_vcpu *vcpu) -{ - vcpu->stat.instruction_stsch++; - VCPU_EVENT(vcpu, 4, "%s", "store subchannel - CC3"); - /* condition code 3 */ - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - vcpu->arch.sie_block->gpsw.mask |= (3 & 3ul) << 44; - return 0; -} - -static int handle_chsc(struct kvm_vcpu *vcpu) -{ - vcpu->stat.instruction_chsc++; - VCPU_EVENT(vcpu, 4, "%s", "channel subsystem call - CC3"); - /* condition code 3 */ - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - vcpu->arch.sie_block->gpsw.mask |= (3 & 3ul) << 44; - return 0; -} - -static int handle_stfl(struct kvm_vcpu *vcpu) -{ - unsigned int facility_list; - int rc; - - vcpu->stat.instruction_stfl++; - /* only pass the facility bits, which we can handle */ - facility_list = S390_lowcore.stfl_fac_list & 0xff00fff3; - - rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), - &facility_list, sizeof(facility_list)); - if (rc == -EFAULT) - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - else - VCPU_EVENT(vcpu, 5, "store facility list value %x", - facility_list); - return 0; -} - -static int handle_stidp(struct kvm_vcpu *vcpu) -{ - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 operand2; - int rc; - - vcpu->stat.instruction_stidp++; - operand2 = disp2; - if (base2) - operand2 += vcpu->run->s.regs.gprs[base2]; - - if (operand2 & 7) { - kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - goto out; - } - - rc = put_guest_u64(vcpu, operand2, vcpu->arch.stidp_data); - if (rc == -EFAULT) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out; - } - - VCPU_EVENT(vcpu, 5, "%s", "store cpu id"); -out: - return 0; -} - -static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - int cpus = 0; - int n; - - spin_lock(&fi->lock); - for (n = 0; n < KVM_MAX_VCPUS; n++) - if (fi->local_int[n]) - cpus++; - spin_unlock(&fi->lock); - - /* deal with other level 3 hypervisors */ - if (stsi(mem, 3, 2, 2) == -ENOSYS) - mem->count = 0; - if (mem->count < 8) - mem->count++; - for (n = mem->count - 1; n > 0 ; n--) - memcpy(&mem->vm[n], &mem->vm[n - 1], sizeof(mem->vm[0])); - - mem->vm[0].cpus_total = cpus; - mem->vm[0].cpus_configured = cpus; - mem->vm[0].cpus_standby = 0; - mem->vm[0].cpus_reserved = 0; - mem->vm[0].caf = 1000; - memcpy(mem->vm[0].name, "KVMguest", 8); - ASCEBC(mem->vm[0].name, 8); - memcpy(mem->vm[0].cpi, "KVM/Linux ", 16); - ASCEBC(mem->vm[0].cpi, 16); -} - -static int handle_stsi(struct kvm_vcpu *vcpu) -{ - int fc = (vcpu->run->s.regs.gprs[0] & 0xf0000000) >> 28; - int sel1 = vcpu->run->s.regs.gprs[0] & 0xff; - int sel2 = vcpu->run->s.regs.gprs[1] & 0xffff; - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u64 operand2; - unsigned long mem; - - vcpu->stat.instruction_stsi++; - VCPU_EVENT(vcpu, 4, "stsi: fc: %x sel1: %x sel2: %x", fc, sel1, sel2); - - operand2 = disp2; - if (base2) - operand2 += vcpu->run->s.regs.gprs[base2]; - - if (operand2 & 0xfff && fc > 0) - return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - - switch (fc) { - case 0: - vcpu->run->s.regs.gprs[0] = 3 << 28; - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - return 0; - case 1: /* same handling for 1 and 2 */ - case 2: - mem = get_zeroed_page(GFP_KERNEL); - if (!mem) - goto out_fail; - if (stsi((void *) mem, fc, sel1, sel2) == -ENOSYS) - goto out_mem; - break; - case 3: - if (sel1 != 2 || sel2 != 2) - goto out_fail; - mem = get_zeroed_page(GFP_KERNEL); - if (!mem) - goto out_fail; - handle_stsi_3_2_2(vcpu, (void *) mem); - break; - default: - goto out_fail; - } - - if (copy_to_guest_absolute(vcpu, operand2, (void *) mem, PAGE_SIZE)) { - kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - goto out_mem; - } - free_page(mem); - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - vcpu->run->s.regs.gprs[0] = 0; - return 0; -out_mem: - free_page(mem); -out_fail: - /* condition code 3 */ - vcpu->arch.sie_block->gpsw.mask |= 3ul << 44; - return 0; -} - -static intercept_handler_t priv_handlers[256] = { - [0x02] = handle_stidp, - [0x10] = handle_set_prefix, - [0x11] = handle_store_prefix, - [0x12] = handle_store_cpu_address, - [0x29] = handle_skey, - [0x2a] = handle_skey, - [0x2b] = handle_skey, - [0x34] = handle_stsch, - [0x5f] = handle_chsc, - [0x7d] = handle_stsi, - [0xb1] = handle_stfl, -}; - -int kvm_s390_handle_b2(struct kvm_vcpu *vcpu) -{ - intercept_handler_t handler; - - /* - * a lot of B2 instructions are priviledged. We first check for - * the privileged ones, that we can handle in the kernel. If the - * kernel can handle this instruction, we check for the problem - * state bit and (a) handle the instruction or (b) send a code 2 - * program check. - * Anything else goes to userspace.*/ - handler = priv_handlers[vcpu->arch.sie_block->ipa & 0x00ff]; - if (handler) { - if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) - return kvm_s390_inject_program_int(vcpu, - PGM_PRIVILEGED_OPERATION); - else - return handler(vcpu); - } - return -EOPNOTSUPP; -} - -static int handle_tprot(struct kvm_vcpu *vcpu) -{ - int base1 = (vcpu->arch.sie_block->ipb & 0xf0000000) >> 28; - int disp1 = (vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16; - int base2 = (vcpu->arch.sie_block->ipb & 0xf000) >> 12; - int disp2 = vcpu->arch.sie_block->ipb & 0x0fff; - u64 address1 = disp1 + base1 ? vcpu->run->s.regs.gprs[base1] : 0; - u64 address2 = disp2 + base2 ? vcpu->run->s.regs.gprs[base2] : 0; - struct vm_area_struct *vma; - unsigned long user_address; - - vcpu->stat.instruction_tprot++; - - /* we only handle the Linux memory detection case: - * access key == 0 - * guest DAT == off - * everything else goes to userspace. */ - if (address2 & 0xf0) - return -EOPNOTSUPP; - if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_DAT) - return -EOPNOTSUPP; - - - /* we must resolve the address without holding the mmap semaphore. - * This is ok since the userspace hypervisor is not supposed to change - * the mapping while the guest queries the memory. Otherwise the guest - * might crash or get wrong info anyway. */ - user_address = (unsigned long) __guestaddr_to_user(vcpu, address1); - - down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm, user_address); - if (!vma) { - up_read(¤t->mm->mmap_sem); - return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); - } - - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - if (!(vma->vm_flags & VM_WRITE) && (vma->vm_flags & VM_READ)) - vcpu->arch.sie_block->gpsw.mask |= (1ul << 44); - if (!(vma->vm_flags & VM_WRITE) && !(vma->vm_flags & VM_READ)) - vcpu->arch.sie_block->gpsw.mask |= (2ul << 44); - - up_read(¤t->mm->mmap_sem); - return 0; -} - -int kvm_s390_handle_e5(struct kvm_vcpu *vcpu) -{ - /* For e5xx... instructions we only handle TPROT */ - if ((vcpu->arch.sie_block->ipa & 0x00ff) == 0x01) - return handle_tprot(vcpu); - return -EOPNOTSUPP; -} - diff --git a/ANDROID_3.4.5/arch/s390/kvm/sigp.c b/ANDROID_3.4.5/arch/s390/kvm/sigp.c deleted file mode 100644 index 0ad4cf23..00000000 --- a/ANDROID_3.4.5/arch/s390/kvm/sigp.c +++ /dev/null @@ -1,421 +0,0 @@ -/* - * sigp.c - handlinge interprocessor communication - * - * Copyright IBM Corp. 2008,2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Carsten Otte <cotte@de.ibm.com> - * Christian Borntraeger <borntraeger@de.ibm.com> - * Christian Ehrhardt <ehrhardt@de.ibm.com> - */ - -#include <linux/kvm.h> -#include <linux/kvm_host.h> -#include <linux/slab.h> -#include "gaccess.h" -#include "kvm-s390.h" - -/* sigp order codes */ -#define SIGP_SENSE 0x01 -#define SIGP_EXTERNAL_CALL 0x02 -#define SIGP_EMERGENCY 0x03 -#define SIGP_START 0x04 -#define SIGP_STOP 0x05 -#define SIGP_RESTART 0x06 -#define SIGP_STOP_STORE_STATUS 0x09 -#define SIGP_INITIAL_CPU_RESET 0x0b -#define SIGP_CPU_RESET 0x0c -#define SIGP_SET_PREFIX 0x0d -#define SIGP_STORE_STATUS_ADDR 0x0e -#define SIGP_SET_ARCH 0x12 -#define SIGP_SENSE_RUNNING 0x15 - -/* cpu status bits */ -#define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL -#define SIGP_STAT_NOT_RUNNING 0x00000400UL -#define SIGP_STAT_INCORRECT_STATE 0x00000200UL -#define SIGP_STAT_INVALID_PARAMETER 0x00000100UL -#define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL -#define SIGP_STAT_STOPPED 0x00000040UL -#define SIGP_STAT_OPERATOR_INTERV 0x00000020UL -#define SIGP_STAT_CHECK_STOP 0x00000010UL -#define SIGP_STAT_INOPERATIVE 0x00000004UL -#define SIGP_STAT_INVALID_ORDER 0x00000002UL -#define SIGP_STAT_RECEIVER_CHECK 0x00000001UL - - -static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr, - u64 *reg) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - int rc; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - spin_lock(&fi->lock); - if (fi->local_int[cpu_addr] == NULL) - rc = 3; /* not operational */ - else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags) - & CPUSTAT_STOPPED)) { - *reg &= 0xffffffff00000000UL; - rc = 1; /* status stored */ - } else { - *reg &= 0xffffffff00000000UL; - *reg |= SIGP_STAT_STOPPED; - rc = 1; /* status stored */ - } - spin_unlock(&fi->lock); - - VCPU_EVENT(vcpu, 4, "sensed status of cpu %x rc %x", cpu_addr, rc); - return rc; -} - -static int __sigp_emergency(struct kvm_vcpu *vcpu, u16 cpu_addr) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - struct kvm_s390_local_interrupt *li; - struct kvm_s390_interrupt_info *inti; - int rc; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - inti->type = KVM_S390_INT_EMERGENCY; - inti->emerg.code = vcpu->vcpu_id; - - spin_lock(&fi->lock); - li = fi->local_int[cpu_addr]; - if (li == NULL) { - rc = 3; /* not operational */ - kfree(inti); - goto unlock; - } - spin_lock_bh(&li->lock); - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&li->wq); - spin_unlock_bh(&li->lock); - rc = 0; /* order accepted */ - VCPU_EVENT(vcpu, 4, "sent sigp emerg to cpu %x", cpu_addr); -unlock: - spin_unlock(&fi->lock); - return rc; -} - -static int __sigp_external_call(struct kvm_vcpu *vcpu, u16 cpu_addr) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - struct kvm_s390_local_interrupt *li; - struct kvm_s390_interrupt_info *inti; - int rc; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - inti->type = KVM_S390_INT_EXTERNAL_CALL; - inti->extcall.code = vcpu->vcpu_id; - - spin_lock(&fi->lock); - li = fi->local_int[cpu_addr]; - if (li == NULL) { - rc = 3; /* not operational */ - kfree(inti); - goto unlock; - } - spin_lock_bh(&li->lock); - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&li->wq); - spin_unlock_bh(&li->lock); - rc = 0; /* order accepted */ - VCPU_EVENT(vcpu, 4, "sent sigp ext call to cpu %x", cpu_addr); -unlock: - spin_unlock(&fi->lock); - return rc; -} - -static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action) -{ - struct kvm_s390_interrupt_info *inti; - - inti = kzalloc(sizeof(*inti), GFP_ATOMIC); - if (!inti) - return -ENOMEM; - inti->type = KVM_S390_SIGP_STOP; - - spin_lock_bh(&li->lock); - if ((atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) - goto out; - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - atomic_set_mask(CPUSTAT_STOP_INT, li->cpuflags); - li->action_bits |= action; - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&li->wq); -out: - spin_unlock_bh(&li->lock); - - return 0; /* order accepted */ -} - -static int __sigp_stop(struct kvm_vcpu *vcpu, u16 cpu_addr, int action) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - struct kvm_s390_local_interrupt *li; - int rc; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - spin_lock(&fi->lock); - li = fi->local_int[cpu_addr]; - if (li == NULL) { - rc = 3; /* not operational */ - goto unlock; - } - - rc = __inject_sigp_stop(li, action); - -unlock: - spin_unlock(&fi->lock); - VCPU_EVENT(vcpu, 4, "sent sigp stop to cpu %x", cpu_addr); - return rc; -} - -int kvm_s390_inject_sigp_stop(struct kvm_vcpu *vcpu, int action) -{ - struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; - return __inject_sigp_stop(li, action); -} - -static int __sigp_set_arch(struct kvm_vcpu *vcpu, u32 parameter) -{ - int rc; - - switch (parameter & 0xff) { - case 0: - rc = 3; /* not operational */ - break; - case 1: - case 2: - rc = 0; /* order accepted */ - break; - default: - rc = -EOPNOTSUPP; - } - return rc; -} - -static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, - u64 *reg) -{ - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - struct kvm_s390_local_interrupt *li = NULL; - struct kvm_s390_interrupt_info *inti; - int rc; - u8 tmp; - - /* make sure that the new value is valid memory */ - address = address & 0x7fffe000u; - if (copy_from_guest_absolute(vcpu, &tmp, address, 1) || - copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1)) { - *reg |= SIGP_STAT_INVALID_PARAMETER; - return 1; /* invalid parameter */ - } - - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return 2; /* busy */ - - spin_lock(&fi->lock); - if (cpu_addr < KVM_MAX_VCPUS) - li = fi->local_int[cpu_addr]; - - if (li == NULL) { - rc = 1; /* incorrect state */ - *reg &= SIGP_STAT_INCORRECT_STATE; - kfree(inti); - goto out_fi; - } - - spin_lock_bh(&li->lock); - /* cpu must be in stopped state */ - if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) { - rc = 1; /* incorrect state */ - *reg &= SIGP_STAT_INCORRECT_STATE; - kfree(inti); - goto out_li; - } - - inti->type = KVM_S390_SIGP_SET_PREFIX; - inti->prefix.address = address; - - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - if (waitqueue_active(&li->wq)) - wake_up_interruptible(&li->wq); - rc = 0; /* order accepted */ - - VCPU_EVENT(vcpu, 4, "set prefix of cpu %02x to %x", cpu_addr, address); -out_li: - spin_unlock_bh(&li->lock); -out_fi: - spin_unlock(&fi->lock); - return rc; -} - -static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr, - u64 *reg) -{ - int rc; - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - spin_lock(&fi->lock); - if (fi->local_int[cpu_addr] == NULL) - rc = 3; /* not operational */ - else { - if (atomic_read(fi->local_int[cpu_addr]->cpuflags) - & CPUSTAT_RUNNING) { - /* running */ - rc = 1; - } else { - /* not running */ - *reg &= 0xffffffff00000000UL; - *reg |= SIGP_STAT_NOT_RUNNING; - rc = 0; - } - } - spin_unlock(&fi->lock); - - VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr, - rc); - - return rc; -} - -static int __sigp_restart(struct kvm_vcpu *vcpu, u16 cpu_addr) -{ - int rc = 0; - struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; - struct kvm_s390_local_interrupt *li; - - if (cpu_addr >= KVM_MAX_VCPUS) - return 3; /* not operational */ - - spin_lock(&fi->lock); - li = fi->local_int[cpu_addr]; - if (li == NULL) { - rc = 3; /* not operational */ - goto out; - } - - spin_lock_bh(&li->lock); - if (li->action_bits & ACTION_STOP_ON_STOP) - rc = 2; /* busy */ - else - VCPU_EVENT(vcpu, 4, "sigp restart %x to handle userspace", - cpu_addr); - spin_unlock_bh(&li->lock); -out: - spin_unlock(&fi->lock); - return rc; -} - -int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu) -{ - int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4; - int r3 = vcpu->arch.sie_block->ipa & 0x000f; - int base2 = vcpu->arch.sie_block->ipb >> 28; - int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); - u32 parameter; - u16 cpu_addr = vcpu->run->s.regs.gprs[r3]; - u8 order_code; - int rc; - - /* sigp in userspace can exit */ - if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) - return kvm_s390_inject_program_int(vcpu, - PGM_PRIVILEGED_OPERATION); - - order_code = disp2; - if (base2) - order_code += vcpu->run->s.regs.gprs[base2]; - - if (r1 % 2) - parameter = vcpu->run->s.regs.gprs[r1]; - else - parameter = vcpu->run->s.regs.gprs[r1 + 1]; - - switch (order_code) { - case SIGP_SENSE: - vcpu->stat.instruction_sigp_sense++; - rc = __sigp_sense(vcpu, cpu_addr, - &vcpu->run->s.regs.gprs[r1]); - break; - case SIGP_EXTERNAL_CALL: - vcpu->stat.instruction_sigp_external_call++; - rc = __sigp_external_call(vcpu, cpu_addr); - break; - case SIGP_EMERGENCY: - vcpu->stat.instruction_sigp_emergency++; - rc = __sigp_emergency(vcpu, cpu_addr); - break; - case SIGP_STOP: - vcpu->stat.instruction_sigp_stop++; - rc = __sigp_stop(vcpu, cpu_addr, ACTION_STOP_ON_STOP); - break; - case SIGP_STOP_STORE_STATUS: - vcpu->stat.instruction_sigp_stop++; - rc = __sigp_stop(vcpu, cpu_addr, ACTION_STORE_ON_STOP | - ACTION_STOP_ON_STOP); - break; - case SIGP_SET_ARCH: - vcpu->stat.instruction_sigp_arch++; - rc = __sigp_set_arch(vcpu, parameter); - break; - case SIGP_SET_PREFIX: - vcpu->stat.instruction_sigp_prefix++; - rc = __sigp_set_prefix(vcpu, cpu_addr, parameter, - &vcpu->run->s.regs.gprs[r1]); - break; - case SIGP_SENSE_RUNNING: - vcpu->stat.instruction_sigp_sense_running++; - rc = __sigp_sense_running(vcpu, cpu_addr, - &vcpu->run->s.regs.gprs[r1]); - break; - case SIGP_RESTART: - vcpu->stat.instruction_sigp_restart++; - rc = __sigp_restart(vcpu, cpu_addr); - if (rc == 2) /* busy */ - break; - /* user space must know about restart */ - default: - return -EOPNOTSUPP; - } - - if (rc < 0) - return rc; - - vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); - vcpu->arch.sie_block->gpsw.mask |= (rc & 3ul) << 44; - return 0; -} diff --git a/ANDROID_3.4.5/arch/s390/lib/Makefile b/ANDROID_3.4.5/arch/s390/lib/Makefile deleted file mode 100644 index 761ab8b5..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Makefile for s390-specific library files.. -# - -lib-y += delay.o string.o uaccess_std.o uaccess_pt.o -obj-y += usercopy.o -obj-$(CONFIG_32BIT) += div64.o qrnnd.o ucmpdi2.o -lib-$(CONFIG_64BIT) += uaccess_mvcos.o -lib-$(CONFIG_SMP) += spinlock.o diff --git a/ANDROID_3.4.5/arch/s390/lib/delay.c b/ANDROID_3.4.5/arch/s390/lib/delay.c deleted file mode 100644 index 9f1f71e8..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/delay.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Precise Delay Loops for S390 - * - * Copyright IBM Corp. 1999,2008 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - * Heiko Carstens <heiko.carstens@de.ibm.com>, - */ - -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/timex.h> -#include <linux/module.h> -#include <linux/irqflags.h> -#include <linux/interrupt.h> -#include <asm/div64.h> -#include <asm/timer.h> - -void __delay(unsigned long loops) -{ - /* - * To end the bloody studid and useless discussion about the - * BogoMips number I took the liberty to define the __delay - * function in a way that that resulting BogoMips number will - * yield the megahertz number of the cpu. The important function - * is udelay and that is done using the tod clock. -- martin. - */ - asm volatile("0: brct %0,0b" : : "d" ((loops/2) + 1)); -} - -static void __udelay_disabled(unsigned long long usecs) -{ - unsigned long cr0, cr6, new; - u64 clock_saved, end; - - end = get_clock() + (usecs << 12); - clock_saved = local_tick_disable(); - __ctl_store(cr0, 0, 0); - __ctl_store(cr6, 6, 6); - new = (cr0 & 0xffff00e0) | 0x00000800; - __ctl_load(new , 0, 0); - new = 0; - __ctl_load(new, 6, 6); - lockdep_off(); - do { - set_clock_comparator(end); - vtime_stop_cpu(); - local_irq_disable(); - } while (get_clock() < end); - lockdep_on(); - __ctl_load(cr0, 0, 0); - __ctl_load(cr6, 6, 6); - local_tick_enable(clock_saved); -} - -static void __udelay_enabled(unsigned long long usecs) -{ - u64 clock_saved, end; - - end = get_clock() + (usecs << 12); - do { - clock_saved = 0; - if (end < S390_lowcore.clock_comparator) { - clock_saved = local_tick_disable(); - set_clock_comparator(end); - } - vtime_stop_cpu(); - local_irq_disable(); - if (clock_saved) - local_tick_enable(clock_saved); - } while (get_clock() < end); -} - -/* - * Waits for 'usecs' microseconds using the TOD clock comparator. - */ -void __udelay(unsigned long long usecs) -{ - unsigned long flags; - - preempt_disable(); - local_irq_save(flags); - if (in_irq()) { - __udelay_disabled(usecs); - goto out; - } - if (in_softirq()) { - if (raw_irqs_disabled_flags(flags)) - __udelay_disabled(usecs); - else - __udelay_enabled(usecs); - goto out; - } - if (raw_irqs_disabled_flags(flags)) { - local_bh_disable(); - __udelay_disabled(usecs); - _local_bh_enable(); - goto out; - } - __udelay_enabled(usecs); -out: - local_irq_restore(flags); - preempt_enable(); -} -EXPORT_SYMBOL(__udelay); - -/* - * Simple udelay variant. To be used on startup and reboot - * when the interrupt handler isn't working. - */ -void udelay_simple(unsigned long long usecs) -{ - u64 end; - - end = get_clock() + (usecs << 12); - while (get_clock() < end) - cpu_relax(); -} - -void __ndelay(unsigned long long nsecs) -{ - u64 end; - - nsecs <<= 9; - do_div(nsecs, 125); - end = get_clock() + nsecs; - if (nsecs & ~0xfffUL) - __udelay(nsecs >> 12); - while (get_clock() < end) - barrier(); -} -EXPORT_SYMBOL(__ndelay); diff --git a/ANDROID_3.4.5/arch/s390/lib/div64.c b/ANDROID_3.4.5/arch/s390/lib/div64.c deleted file mode 100644 index d9e62c0b..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/div64.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * arch/s390/lib/div64.c - * - * __div64_32 implementation for 31 bit. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - */ - -#include <linux/types.h> -#include <linux/module.h> - -#ifdef CONFIG_MARCH_G5 - -/* - * Function to divide an unsigned 64 bit integer by an unsigned - * 31 bit integer using signed 64/32 bit division. - */ -static uint32_t __div64_31(uint64_t *n, uint32_t base) -{ - register uint32_t reg2 asm("2"); - register uint32_t reg3 asm("3"); - uint32_t *words = (uint32_t *) n; - uint32_t tmp; - - /* Special case base==1, remainder = 0, quotient = n */ - if (base == 1) - return 0; - /* - * Special case base==0 will cause a fixed point divide exception - * on the dr instruction and may not happen anyway. For the - * following calculation we can assume base > 1. The first - * signed 64 / 32 bit division with an upper half of 0 will - * give the correct upper half of the 64 bit quotient. - */ - reg2 = 0UL; - reg3 = words[0]; - asm volatile( - " dr %0,%2\n" - : "+d" (reg2), "+d" (reg3) : "d" (base) : "cc" ); - words[0] = reg3; - reg3 = words[1]; - /* - * To get the lower half of the 64 bit quotient and the 32 bit - * remainder we have to use a little trick. Since we only have - * a signed division the quotient can get too big. To avoid this - * the 64 bit dividend is halved, then the signed division will - * work. Afterwards the quotient and the remainder are doubled. - * If the last bit of the dividend has been one the remainder - * is increased by one then checked against the base. If the - * remainder has overflown subtract base and increase the - * quotient. Simple, no ? - */ - asm volatile( - " nr %2,%1\n" - " srdl %0,1\n" - " dr %0,%3\n" - " alr %0,%0\n" - " alr %1,%1\n" - " alr %0,%2\n" - " clr %0,%3\n" - " jl 0f\n" - " slr %0,%3\n" - " ahi %1,1\n" - "0:\n" - : "+d" (reg2), "+d" (reg3), "=d" (tmp) - : "d" (base), "2" (1UL) : "cc" ); - words[1] = reg3; - return reg2; -} - -/* - * Function to divide an unsigned 64 bit integer by an unsigned - * 32 bit integer using the unsigned 64/31 bit division. - */ -uint32_t __div64_32(uint64_t *n, uint32_t base) -{ - uint32_t r; - - /* - * If the most significant bit of base is set, divide n by - * (base/2). That allows to use 64/31 bit division and gives a - * good approximation of the result: n = (base/2)*q + r. The - * result needs to be corrected with two simple transformations. - * If base is already < 2^31-1 __div64_31 can be used directly. - */ - r = __div64_31(n, ((signed) base < 0) ? (base/2) : base); - if ((signed) base < 0) { - uint64_t q = *n; - /* - * First transformation: - * n = (base/2)*q + r - * = ((base/2)*2)*(q/2) + ((q&1) ? (base/2) : 0) + r - * Since r < (base/2), r + (base/2) < base. - * With q1 = (q/2) and r1 = r + ((q&1) ? (base/2) : 0) - * n = ((base/2)*2)*q1 + r1 with r1 < base. - */ - if (q & 1) - r += base/2; - q >>= 1; - /* - * Second transformation. ((base/2)*2) could have lost the - * last bit. - * n = ((base/2)*2)*q1 + r1 - * = base*q1 - ((base&1) ? q1 : 0) + r1 - */ - if (base & 1) { - int64_t rx = r - q; - /* - * base is >= 2^31. The worst case for the while - * loop is n=2^64-1 base=2^31+1. That gives a - * maximum for q=(2^64-1)/2^31 = 0x1ffffffff. Since - * base >= 2^31 the loop is finished after a maximum - * of three iterations. - */ - while (rx < 0) { - rx += base; - q--; - } - r = rx; - } - *n = q; - } - return r; -} - -#else /* MARCH_G5 */ - -uint32_t __div64_32(uint64_t *n, uint32_t base) -{ - register uint32_t reg2 asm("2"); - register uint32_t reg3 asm("3"); - uint32_t *words = (uint32_t *) n; - - reg2 = 0UL; - reg3 = words[0]; - asm volatile( - " dlr %0,%2\n" - : "+d" (reg2), "+d" (reg3) : "d" (base) : "cc" ); - words[0] = reg3; - reg3 = words[1]; - asm volatile( - " dlr %0,%2\n" - : "+d" (reg2), "+d" (reg3) : "d" (base) : "cc" ); - words[1] = reg3; - return reg2; -} - -#endif /* MARCH_G5 */ diff --git a/ANDROID_3.4.5/arch/s390/lib/qrnnd.S b/ANDROID_3.4.5/arch/s390/lib/qrnnd.S deleted file mode 100644 index d3213291..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/qrnnd.S +++ /dev/null @@ -1,78 +0,0 @@ -# S/390 __udiv_qrnnd - -#include <linux/linkage.h> - -# r2 : &__r -# r3 : upper half of 64 bit word n -# r4 : lower half of 64 bit word n -# r5 : divisor d -# the reminder r of the division is to be stored to &__r and -# the quotient q is to be returned - - .text -ENTRY(__udiv_qrnnd) - st %r2,24(%r15) # store pointer to reminder for later - lr %r0,%r3 # reload n - lr %r1,%r4 - ltr %r2,%r5 # reload and test divisor - jp 5f - # divisor >= 0x80000000 - srdl %r0,2 # n/4 - srl %r2,1 # d/2 - slr %r1,%r2 # special case if last bit of d is set - brc 3,0f # (n/4) div (n/2) can overflow by 1 - ahi %r0,-1 # trick: subtract n/2, then divide -0: dr %r0,%r2 # signed division - ahi %r1,1 # trick part 2: add 1 to the quotient - # now (n >> 2) = (d >> 1) * %r1 + %r0 - lhi %r3,1 - nr %r3,%r1 # test last bit of q - jz 1f - alr %r0,%r2 # add (d>>1) to r -1: srl %r1,1 # q >>= 1 - # now (n >> 2) = (d&-2) * %r1 + %r0 - lhi %r3,1 - nr %r3,%r5 # test last bit of d - jz 2f - slr %r0,%r1 # r -= q - brc 3,2f # borrow ? - alr %r0,%r5 # r += d - ahi %r1,-1 -2: # now (n >> 2) = d * %r1 + %r0 - alr %r1,%r1 # q <<= 1 - alr %r0,%r0 # r <<= 1 - brc 12,3f # overflow on r ? - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -3: lhi %r3,2 - nr %r3,%r4 # test next to last bit of n - jz 4f - ahi %r0,1 # r += 1 -4: clr %r0,%r5 # r >= d ? - jl 6f - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 - # now (n >> 1) = d * %r1 + %r0 - j 6f -5: # divisor < 0x80000000 - srdl %r0,1 - dr %r0,%r2 # signed division - # now (n >> 1) = d * %r1 + %r0 -6: alr %r1,%r1 # q <<= 1 - alr %r0,%r0 # r <<= 1 - brc 12,7f # overflow on r ? - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -7: lhi %r3,1 - nr %r3,%r4 # isolate last bit of n - alr %r0,%r3 # r += (n & 1) - clr %r0,%r5 # r >= d ? - jl 8f - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -8: # now n = d * %r1 + %r0 - l %r2,24(%r15) - st %r0,0(%r2) - lr %r2,%r1 - br %r14 - .end __udiv_qrnnd diff --git a/ANDROID_3.4.5/arch/s390/lib/spinlock.c b/ANDROID_3.4.5/arch/s390/lib/spinlock.c deleted file mode 100644 index 093eb694..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/spinlock.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * arch/s390/lib/spinlock.c - * Out of line spinlock code. - * - * Copyright (C) IBM Corp. 2004, 2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/spinlock.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <asm/io.h> - -int spin_retry = 1000; - -/** - * spin_retry= parameter - */ -static int __init spin_retry_setup(char *str) -{ - spin_retry = simple_strtoul(str, &str, 0); - return 1; -} -__setup("spin_retry=", spin_retry_setup); - -void arch_spin_lock_wait(arch_spinlock_t *lp) -{ - int count = spin_retry; - unsigned int cpu = ~smp_processor_id(); - unsigned int owner; - - while (1) { - owner = lp->owner_cpu; - if (!owner || smp_vcpu_scheduled(~owner)) { - for (count = spin_retry; count > 0; count--) { - if (arch_spin_is_locked(lp)) - continue; - if (_raw_compare_and_swap(&lp->owner_cpu, 0, - cpu) == 0) - return; - } - if (MACHINE_IS_LPAR) - continue; - } - owner = lp->owner_cpu; - if (owner) - smp_yield_cpu(~owner); - if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) - return; - } -} -EXPORT_SYMBOL(arch_spin_lock_wait); - -void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags) -{ - int count = spin_retry; - unsigned int cpu = ~smp_processor_id(); - unsigned int owner; - - local_irq_restore(flags); - while (1) { - owner = lp->owner_cpu; - if (!owner || smp_vcpu_scheduled(~owner)) { - for (count = spin_retry; count > 0; count--) { - if (arch_spin_is_locked(lp)) - continue; - local_irq_disable(); - if (_raw_compare_and_swap(&lp->owner_cpu, 0, - cpu) == 0) - return; - local_irq_restore(flags); - } - if (MACHINE_IS_LPAR) - continue; - } - owner = lp->owner_cpu; - if (owner) - smp_yield_cpu(~owner); - local_irq_disable(); - if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) - return; - local_irq_restore(flags); - } -} -EXPORT_SYMBOL(arch_spin_lock_wait_flags); - -int arch_spin_trylock_retry(arch_spinlock_t *lp) -{ - unsigned int cpu = ~smp_processor_id(); - int count; - - for (count = spin_retry; count > 0; count--) { - if (arch_spin_is_locked(lp)) - continue; - if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) - return 1; - } - return 0; -} -EXPORT_SYMBOL(arch_spin_trylock_retry); - -void arch_spin_relax(arch_spinlock_t *lock) -{ - unsigned int cpu = lock->owner_cpu; - if (cpu != 0) { - if (MACHINE_IS_VM || MACHINE_IS_KVM || - !smp_vcpu_scheduled(~cpu)) - smp_yield_cpu(~cpu); - } -} -EXPORT_SYMBOL(arch_spin_relax); - -void _raw_read_lock_wait(arch_rwlock_t *rw) -{ - unsigned int old; - int count = spin_retry; - - while (1) { - if (count-- <= 0) { - smp_yield(); - count = spin_retry; - } - if (!arch_read_can_lock(rw)) - continue; - old = rw->lock & 0x7fffffffU; - if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) - return; - } -} -EXPORT_SYMBOL(_raw_read_lock_wait); - -void _raw_read_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags) -{ - unsigned int old; - int count = spin_retry; - - local_irq_restore(flags); - while (1) { - if (count-- <= 0) { - smp_yield(); - count = spin_retry; - } - if (!arch_read_can_lock(rw)) - continue; - old = rw->lock & 0x7fffffffU; - local_irq_disable(); - if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) - return; - } -} -EXPORT_SYMBOL(_raw_read_lock_wait_flags); - -int _raw_read_trylock_retry(arch_rwlock_t *rw) -{ - unsigned int old; - int count = spin_retry; - - while (count-- > 0) { - if (!arch_read_can_lock(rw)) - continue; - old = rw->lock & 0x7fffffffU; - if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) - return 1; - } - return 0; -} -EXPORT_SYMBOL(_raw_read_trylock_retry); - -void _raw_write_lock_wait(arch_rwlock_t *rw) -{ - int count = spin_retry; - - while (1) { - if (count-- <= 0) { - smp_yield(); - count = spin_retry; - } - if (!arch_write_can_lock(rw)) - continue; - if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) - return; - } -} -EXPORT_SYMBOL(_raw_write_lock_wait); - -void _raw_write_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags) -{ - int count = spin_retry; - - local_irq_restore(flags); - while (1) { - if (count-- <= 0) { - smp_yield(); - count = spin_retry; - } - if (!arch_write_can_lock(rw)) - continue; - local_irq_disable(); - if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) - return; - } -} -EXPORT_SYMBOL(_raw_write_lock_wait_flags); - -int _raw_write_trylock_retry(arch_rwlock_t *rw) -{ - int count = spin_retry; - - while (count-- > 0) { - if (!arch_write_can_lock(rw)) - continue; - if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) - return 1; - } - return 0; -} -EXPORT_SYMBOL(_raw_write_trylock_retry); diff --git a/ANDROID_3.4.5/arch/s390/lib/string.c b/ANDROID_3.4.5/arch/s390/lib/string.c deleted file mode 100644 index 4143b7c1..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/string.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * arch/s390/lib/string.c - * Optimized string functions - * - * S390 version - * Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - */ - -#define IN_ARCH_STRING_C 1 - -#include <linux/types.h> -#include <linux/module.h> - -/* - * Helper functions to find the end of a string - */ -static inline char *__strend(const char *s) -{ - register unsigned long r0 asm("0") = 0; - - asm volatile ("0: srst %0,%1\n" - " jo 0b" - : "+d" (r0), "+a" (s) : : "cc" ); - return (char *) r0; -} - -static inline char *__strnend(const char *s, size_t n) -{ - register unsigned long r0 asm("0") = 0; - const char *p = s + n; - - asm volatile ("0: srst %0,%1\n" - " jo 0b" - : "+d" (p), "+a" (s) : "d" (r0) : "cc" ); - return (char *) p; -} - -/** - * strlen - Find the length of a string - * @s: The string to be sized - * - * returns the length of @s - */ -size_t strlen(const char *s) -{ -#if __GNUC__ < 4 - return __strend(s) - s; -#else - return __builtin_strlen(s); -#endif -} -EXPORT_SYMBOL(strlen); - -/** - * strnlen - Find the length of a length-limited string - * @s: The string to be sized - * @n: The maximum number of bytes to search - * - * returns the minimum of the length of @s and @n - */ -size_t strnlen(const char * s, size_t n) -{ - return __strnend(s, n) - s; -} -EXPORT_SYMBOL(strnlen); - -/** - * strcpy - Copy a %NUL terminated string - * @dest: Where to copy the string to - * @src: Where to copy the string from - * - * returns a pointer to @dest - */ -char *strcpy(char *dest, const char *src) -{ -#if __GNUC__ < 4 - register int r0 asm("0") = 0; - char *ret = dest; - - asm volatile ("0: mvst %0,%1\n" - " jo 0b" - : "+&a" (dest), "+&a" (src) : "d" (r0) - : "cc", "memory" ); - return ret; -#else - return __builtin_strcpy(dest, src); -#endif -} -EXPORT_SYMBOL(strcpy); - -/** - * strlcpy - Copy a %NUL terminated string into a sized buffer - * @dest: Where to copy the string to - * @src: Where to copy the string from - * @size: size of destination buffer - * - * Compatible with *BSD: the result is always a valid - * NUL-terminated string that fits in the buffer (unless, - * of course, the buffer size is zero). It does not pad - * out the result like strncpy() does. - */ -size_t strlcpy(char *dest, const char *src, size_t size) -{ - size_t ret = __strend(src) - src; - - if (size) { - size_t len = (ret >= size) ? size-1 : ret; - dest[len] = '\0'; - __builtin_memcpy(dest, src, len); - } - return ret; -} -EXPORT_SYMBOL(strlcpy); - -/** - * strncpy - Copy a length-limited, %NUL-terminated string - * @dest: Where to copy the string to - * @src: Where to copy the string from - * @n: The maximum number of bytes to copy - * - * The result is not %NUL-terminated if the source exceeds - * @n bytes. - */ -char *strncpy(char *dest, const char *src, size_t n) -{ - size_t len = __strnend(src, n) - src; - __builtin_memset(dest + len, 0, n - len); - __builtin_memcpy(dest, src, len); - return dest; -} -EXPORT_SYMBOL(strncpy); - -/** - * strcat - Append one %NUL-terminated string to another - * @dest: The string to be appended to - * @src: The string to append to it - * - * returns a pointer to @dest - */ -char *strcat(char *dest, const char *src) -{ - register int r0 asm("0") = 0; - unsigned long dummy; - char *ret = dest; - - asm volatile ("0: srst %0,%1\n" - " jo 0b\n" - "1: mvst %0,%2\n" - " jo 1b" - : "=&a" (dummy), "+a" (dest), "+a" (src) - : "d" (r0), "0" (0UL) : "cc", "memory" ); - return ret; -} -EXPORT_SYMBOL(strcat); - -/** - * strlcat - Append a length-limited, %NUL-terminated string to another - * @dest: The string to be appended to - * @src: The string to append to it - * @n: The size of the destination buffer. - */ -size_t strlcat(char *dest, const char *src, size_t n) -{ - size_t dsize = __strend(dest) - dest; - size_t len = __strend(src) - src; - size_t res = dsize + len; - - if (dsize < n) { - dest += dsize; - n -= dsize; - if (len >= n) - len = n - 1; - dest[len] = '\0'; - __builtin_memcpy(dest, src, len); - } - return res; -} -EXPORT_SYMBOL(strlcat); - -/** - * strncat - Append a length-limited, %NUL-terminated string to another - * @dest: The string to be appended to - * @src: The string to append to it - * @n: The maximum numbers of bytes to copy - * - * returns a pointer to @dest - * - * Note that in contrast to strncpy, strncat ensures the result is - * terminated. - */ -char *strncat(char *dest, const char *src, size_t n) -{ - size_t len = __strnend(src, n) - src; - char *p = __strend(dest); - - p[len] = '\0'; - __builtin_memcpy(p, src, len); - return dest; -} -EXPORT_SYMBOL(strncat); - -/** - * strcmp - Compare two strings - * @cs: One string - * @ct: Another string - * - * returns 0 if @cs and @ct are equal, - * < 0 if @cs is less than @ct - * > 0 if @cs is greater than @ct - */ -int strcmp(const char *cs, const char *ct) -{ - register int r0 asm("0") = 0; - int ret = 0; - - asm volatile ("0: clst %2,%3\n" - " jo 0b\n" - " je 1f\n" - " ic %0,0(%2)\n" - " ic %1,0(%3)\n" - " sr %0,%1\n" - "1:" - : "+d" (ret), "+d" (r0), "+a" (cs), "+a" (ct) - : : "cc" ); - return ret; -} -EXPORT_SYMBOL(strcmp); - -/** - * strrchr - Find the last occurrence of a character in a string - * @s: The string to be searched - * @c: The character to search for - */ -char * strrchr(const char * s, int c) -{ - size_t len = __strend(s) - s; - - if (len) - do { - if (s[len] == (char) c) - return (char *) s + len; - } while (--len > 0); - return NULL; -} -EXPORT_SYMBOL(strrchr); - -/** - * strstr - Find the first substring in a %NUL terminated string - * @s1: The string to be searched - * @s2: The string to search for - */ -char * strstr(const char * s1,const char * s2) -{ - int l1, l2; - - l2 = __strend(s2) - s2; - if (!l2) - return (char *) s1; - l1 = __strend(s1) - s1; - while (l1-- >= l2) { - register unsigned long r2 asm("2") = (unsigned long) s1; - register unsigned long r3 asm("3") = (unsigned long) l2; - register unsigned long r4 asm("4") = (unsigned long) s2; - register unsigned long r5 asm("5") = (unsigned long) l2; - int cc; - - asm volatile ("0: clcle %1,%3,0\n" - " jo 0b\n" - " ipm %0\n" - " srl %0,28" - : "=&d" (cc), "+a" (r2), "+a" (r3), - "+a" (r4), "+a" (r5) : : "cc" ); - if (!cc) - return (char *) s1; - s1++; - } - return NULL; -} -EXPORT_SYMBOL(strstr); - -/** - * memchr - Find a character in an area of memory. - * @s: The memory area - * @c: The byte to search for - * @n: The size of the area. - * - * returns the address of the first occurrence of @c, or %NULL - * if @c is not found - */ -void *memchr(const void *s, int c, size_t n) -{ - register int r0 asm("0") = (char) c; - const void *ret = s + n; - - asm volatile ("0: srst %0,%1\n" - " jo 0b\n" - " jl 1f\n" - " la %0,0\n" - "1:" - : "+a" (ret), "+&a" (s) : "d" (r0) : "cc" ); - return (void *) ret; -} -EXPORT_SYMBOL(memchr); - -/** - * memcmp - Compare two areas of memory - * @cs: One area of memory - * @ct: Another area of memory - * @count: The size of the area. - */ -int memcmp(const void *cs, const void *ct, size_t n) -{ - register unsigned long r2 asm("2") = (unsigned long) cs; - register unsigned long r3 asm("3") = (unsigned long) n; - register unsigned long r4 asm("4") = (unsigned long) ct; - register unsigned long r5 asm("5") = (unsigned long) n; - int ret; - - asm volatile ("0: clcle %1,%3,0\n" - " jo 0b\n" - " ipm %0\n" - " srl %0,28" - : "=&d" (ret), "+a" (r2), "+a" (r3), "+a" (r4), "+a" (r5) - : : "cc" ); - if (ret) - ret = *(char *) r2 - *(char *) r4; - return ret; -} -EXPORT_SYMBOL(memcmp); - -/** - * memscan - Find a character in an area of memory. - * @s: The memory area - * @c: The byte to search for - * @n: The size of the area. - * - * returns the address of the first occurrence of @c, or 1 byte past - * the area if @c is not found - */ -void *memscan(void *s, int c, size_t n) -{ - register int r0 asm("0") = (char) c; - const void *ret = s + n; - - asm volatile ("0: srst %0,%1\n" - " jo 0b\n" - : "+a" (ret), "+&a" (s) : "d" (r0) : "cc" ); - return (void *) ret; -} -EXPORT_SYMBOL(memscan); - -/** - * memcpy - Copy one area of memory to another - * @dest: Where to copy to - * @src: Where to copy from - * @n: The size of the area. - * - * returns a pointer to @dest - */ -void *memcpy(void *dest, const void *src, size_t n) -{ - return __builtin_memcpy(dest, src, n); -} -EXPORT_SYMBOL(memcpy); - -/** - * memset - Fill a region of memory with the given value - * @s: Pointer to the start of the area. - * @c: The byte to fill the area with - * @n: The size of the area. - * - * returns a pointer to @s - */ -void *memset(void *s, int c, size_t n) -{ - char *xs; - - if (c == 0) - return __builtin_memset(s, 0, n); - - xs = (char *) s; - if (n > 0) - do { - *xs++ = c; - } while (--n > 0); - return s; -} -EXPORT_SYMBOL(memset); diff --git a/ANDROID_3.4.5/arch/s390/lib/uaccess.h b/ANDROID_3.4.5/arch/s390/lib/uaccess.h deleted file mode 100644 index 1d2536cb..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/uaccess.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * arch/s390/uaccess.h - * - * Copyright IBM Corp. 2007 - * - */ - -#ifndef __ARCH_S390_LIB_UACCESS_H -#define __ARCH_S390_LIB_UACCESS_H - -extern size_t copy_from_user_std(size_t, const void __user *, void *); -extern size_t copy_to_user_std(size_t, void __user *, const void *); -extern size_t strnlen_user_std(size_t, const char __user *); -extern size_t strncpy_from_user_std(size_t, const char __user *, char *); -extern int futex_atomic_cmpxchg_std(u32 *, u32 __user *, u32, u32); -extern int futex_atomic_op_std(int, u32 __user *, int, int *); - -extern size_t copy_from_user_pt(size_t, const void __user *, void *); -extern size_t copy_to_user_pt(size_t, void __user *, const void *); -extern int futex_atomic_op_pt(int, u32 __user *, int, int *); -extern int futex_atomic_cmpxchg_pt(u32 *, u32 __user *, u32, u32); - -#endif /* __ARCH_S390_LIB_UACCESS_H */ diff --git a/ANDROID_3.4.5/arch/s390/lib/uaccess_mvcos.c b/ANDROID_3.4.5/arch/s390/lib/uaccess_mvcos.c deleted file mode 100644 index 60455f10..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/uaccess_mvcos.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * arch/s390/lib/uaccess_mvcos.c - * - * Optimized user space space access functions based on mvcos. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Gerald Schaefer (gerald.schaefer@de.ibm.com) - */ - -#include <linux/errno.h> -#include <linux/mm.h> -#include <asm/uaccess.h> -#include <asm/futex.h> -#include "uaccess.h" - -#ifndef __s390x__ -#define AHI "ahi" -#define ALR "alr" -#define CLR "clr" -#define LHI "lhi" -#define SLR "slr" -#else -#define AHI "aghi" -#define ALR "algr" -#define CLR "clgr" -#define LHI "lghi" -#define SLR "slgr" -#endif - -static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x) -{ - register unsigned long reg0 asm("0") = 0x81UL; - unsigned long tmp1, tmp2; - - tmp1 = -4096UL; - asm volatile( - "0: .insn ss,0xc80000000000,0(%0,%2),0(%1),0\n" - "9: jz 7f\n" - "1:"ALR" %0,%3\n" - " "SLR" %1,%3\n" - " "SLR" %2,%3\n" - " j 0b\n" - "2: la %4,4095(%1)\n"/* %4 = ptr + 4095 */ - " nr %4,%3\n" /* %4 = (ptr + 4095) & -4096 */ - " "SLR" %4,%1\n" - " "CLR" %0,%4\n" /* copy crosses next page boundary? */ - " jnh 4f\n" - "3: .insn ss,0xc80000000000,0(%4,%2),0(%1),0\n" - "10:"SLR" %0,%4\n" - " "ALR" %2,%4\n" - "4:"LHI" %4,-1\n" - " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */ - " bras %3,6f\n" /* memset loop */ - " xc 0(1,%2),0(%2)\n" - "5: xc 0(256,%2),0(%2)\n" - " la %2,256(%2)\n" - "6:"AHI" %4,-256\n" - " jnm 5b\n" - " ex %4,0(%3)\n" - " j 8f\n" - "7:"SLR" %0,%0\n" - "8: \n" - EX_TABLE(0b,2b) EX_TABLE(3b,4b) EX_TABLE(9b,2b) EX_TABLE(10b,4b) - : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) - : "d" (reg0) : "cc", "memory"); - return size; -} - -static size_t copy_from_user_mvcos_check(size_t size, const void __user *ptr, void *x) -{ - if (size <= 256) - return copy_from_user_std(size, ptr, x); - return copy_from_user_mvcos(size, ptr, x); -} - -static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x) -{ - register unsigned long reg0 asm("0") = 0x810000UL; - unsigned long tmp1, tmp2; - - tmp1 = -4096UL; - asm volatile( - "0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n" - "6: jz 4f\n" - "1:"ALR" %0,%3\n" - " "SLR" %1,%3\n" - " "SLR" %2,%3\n" - " j 0b\n" - "2: la %4,4095(%1)\n"/* %4 = ptr + 4095 */ - " nr %4,%3\n" /* %4 = (ptr + 4095) & -4096 */ - " "SLR" %4,%1\n" - " "CLR" %0,%4\n" /* copy crosses next page boundary? */ - " jnh 5f\n" - "3: .insn ss,0xc80000000000,0(%4,%1),0(%2),0\n" - "7:"SLR" %0,%4\n" - " j 5f\n" - "4:"SLR" %0,%0\n" - "5: \n" - EX_TABLE(0b,2b) EX_TABLE(3b,5b) EX_TABLE(6b,2b) EX_TABLE(7b,5b) - : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) - : "d" (reg0) : "cc", "memory"); - return size; -} - -static size_t copy_to_user_mvcos_check(size_t size, void __user *ptr, - const void *x) -{ - if (size <= 256) - return copy_to_user_std(size, ptr, x); - return copy_to_user_mvcos(size, ptr, x); -} - -static size_t copy_in_user_mvcos(size_t size, void __user *to, - const void __user *from) -{ - register unsigned long reg0 asm("0") = 0x810081UL; - unsigned long tmp1, tmp2; - - tmp1 = -4096UL; - /* FIXME: copy with reduced length. */ - asm volatile( - "0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n" - " jz 2f\n" - "1:"ALR" %0,%3\n" - " "SLR" %1,%3\n" - " "SLR" %2,%3\n" - " j 0b\n" - "2:"SLR" %0,%0\n" - "3: \n" - EX_TABLE(0b,3b) - : "+a" (size), "+a" (to), "+a" (from), "+a" (tmp1), "=a" (tmp2) - : "d" (reg0) : "cc", "memory"); - return size; -} - -static size_t clear_user_mvcos(size_t size, void __user *to) -{ - register unsigned long reg0 asm("0") = 0x810000UL; - unsigned long tmp1, tmp2; - - tmp1 = -4096UL; - asm volatile( - "0: .insn ss,0xc80000000000,0(%0,%1),0(%4),0\n" - " jz 4f\n" - "1:"ALR" %0,%2\n" - " "SLR" %1,%2\n" - " j 0b\n" - "2: la %3,4095(%1)\n"/* %4 = to + 4095 */ - " nr %3,%2\n" /* %4 = (to + 4095) & -4096 */ - " "SLR" %3,%1\n" - " "CLR" %0,%3\n" /* copy crosses next page boundary? */ - " jnh 5f\n" - "3: .insn ss,0xc80000000000,0(%3,%1),0(%4),0\n" - " "SLR" %0,%3\n" - " j 5f\n" - "4:"SLR" %0,%0\n" - "5: \n" - EX_TABLE(0b,2b) EX_TABLE(3b,5b) - : "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2) - : "a" (empty_zero_page), "d" (reg0) : "cc", "memory"); - return size; -} - -static size_t strnlen_user_mvcos(size_t count, const char __user *src) -{ - char buf[256]; - int rc; - size_t done, len, len_str; - - done = 0; - do { - len = min(count - done, (size_t) 256); - rc = uaccess.copy_from_user(len, src + done, buf); - if (unlikely(rc == len)) - return 0; - len -= rc; - len_str = strnlen(buf, len); - done += len_str; - } while ((len_str == len) && (done < count)); - return done + 1; -} - -static size_t strncpy_from_user_mvcos(size_t count, const char __user *src, - char *dst) -{ - int rc; - size_t done, len, len_str; - - done = 0; - do { - len = min(count - done, (size_t) 4096); - rc = uaccess.copy_from_user(len, src + done, dst); - if (unlikely(rc == len)) - return -EFAULT; - len -= rc; - len_str = strnlen(dst, len); - done += len_str; - } while ((len_str == len) && (done < count)); - return done; -} - -struct uaccess_ops uaccess_mvcos = { - .copy_from_user = copy_from_user_mvcos_check, - .copy_from_user_small = copy_from_user_std, - .copy_to_user = copy_to_user_mvcos_check, - .copy_to_user_small = copy_to_user_std, - .copy_in_user = copy_in_user_mvcos, - .clear_user = clear_user_mvcos, - .strnlen_user = strnlen_user_std, - .strncpy_from_user = strncpy_from_user_std, - .futex_atomic_op = futex_atomic_op_std, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg_std, -}; - -struct uaccess_ops uaccess_mvcos_switch = { - .copy_from_user = copy_from_user_mvcos, - .copy_from_user_small = copy_from_user_mvcos, - .copy_to_user = copy_to_user_mvcos, - .copy_to_user_small = copy_to_user_mvcos, - .copy_in_user = copy_in_user_mvcos, - .clear_user = clear_user_mvcos, - .strnlen_user = strnlen_user_mvcos, - .strncpy_from_user = strncpy_from_user_mvcos, - .futex_atomic_op = futex_atomic_op_pt, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg_pt, -}; diff --git a/ANDROID_3.4.5/arch/s390/lib/uaccess_pt.c b/ANDROID_3.4.5/arch/s390/lib/uaccess_pt.c deleted file mode 100644 index 342ae35a..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/uaccess_pt.c +++ /dev/null @@ -1,406 +0,0 @@ -/* - * arch/s390/lib/uaccess_pt.c - * - * User access functions based on page table walks for enhanced - * system layout without hardware support. - * - * Copyright IBM Corp. 2006 - * Author(s): Gerald Schaefer (gerald.schaefer@de.ibm.com) - */ - -#include <linux/errno.h> -#include <linux/hardirq.h> -#include <linux/mm.h> -#include <asm/uaccess.h> -#include <asm/futex.h> -#include "uaccess.h" - -static inline pte_t *follow_table(struct mm_struct *mm, unsigned long addr) -{ - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - - pgd = pgd_offset(mm, addr); - if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd))) - return (pte_t *) 0x3a; - - pud = pud_offset(pgd, addr); - if (pud_none(*pud) || unlikely(pud_bad(*pud))) - return (pte_t *) 0x3b; - - pmd = pmd_offset(pud, addr); - if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) - return (pte_t *) 0x10; - - return pte_offset_map(pmd, addr); -} - -static __always_inline size_t __user_copy_pt(unsigned long uaddr, void *kptr, - size_t n, int write_user) -{ - struct mm_struct *mm = current->mm; - unsigned long offset, pfn, done, size; - pte_t *pte; - void *from, *to; - - done = 0; -retry: - spin_lock(&mm->page_table_lock); - do { - pte = follow_table(mm, uaddr); - if ((unsigned long) pte < 0x1000) - goto fault; - if (!pte_present(*pte)) { - pte = (pte_t *) 0x11; - goto fault; - } else if (write_user && !pte_write(*pte)) { - pte = (pte_t *) 0x04; - goto fault; - } - - pfn = pte_pfn(*pte); - offset = uaddr & (PAGE_SIZE - 1); - size = min(n - done, PAGE_SIZE - offset); - if (write_user) { - to = (void *)((pfn << PAGE_SHIFT) + offset); - from = kptr + done; - } else { - from = (void *)((pfn << PAGE_SHIFT) + offset); - to = kptr + done; - } - memcpy(to, from, size); - done += size; - uaddr += size; - } while (done < n); - spin_unlock(&mm->page_table_lock); - return n - done; -fault: - spin_unlock(&mm->page_table_lock); - if (__handle_fault(uaddr, (unsigned long) pte, write_user)) - return n - done; - goto retry; -} - -/* - * Do DAT for user address by page table walk, return kernel address. - * This function needs to be called with current->mm->page_table_lock held. - */ -static __always_inline unsigned long __dat_user_addr(unsigned long uaddr) -{ - struct mm_struct *mm = current->mm; - unsigned long pfn; - pte_t *pte; - int rc; - -retry: - pte = follow_table(mm, uaddr); - if ((unsigned long) pte < 0x1000) - goto fault; - if (!pte_present(*pte)) { - pte = (pte_t *) 0x11; - goto fault; - } - - pfn = pte_pfn(*pte); - return (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1)); -fault: - spin_unlock(&mm->page_table_lock); - rc = __handle_fault(uaddr, (unsigned long) pte, 0); - spin_lock(&mm->page_table_lock); - if (!rc) - goto retry; - return 0; -} - -size_t copy_from_user_pt(size_t n, const void __user *from, void *to) -{ - size_t rc; - - if (segment_eq(get_fs(), KERNEL_DS)) { - memcpy(to, (void __kernel __force *) from, n); - return 0; - } - rc = __user_copy_pt((unsigned long) from, to, n, 0); - if (unlikely(rc)) - memset(to + n - rc, 0, rc); - return rc; -} - -size_t copy_to_user_pt(size_t n, void __user *to, const void *from) -{ - if (segment_eq(get_fs(), KERNEL_DS)) { - memcpy((void __kernel __force *) to, from, n); - return 0; - } - return __user_copy_pt((unsigned long) to, (void *) from, n, 1); -} - -static size_t clear_user_pt(size_t n, void __user *to) -{ - long done, size, ret; - - if (segment_eq(get_fs(), KERNEL_DS)) { - memset((void __kernel __force *) to, 0, n); - return 0; - } - done = 0; - do { - if (n - done > PAGE_SIZE) - size = PAGE_SIZE; - else - size = n - done; - ret = __user_copy_pt((unsigned long) to + done, - &empty_zero_page, size, 1); - done += size; - if (ret) - return ret + n - done; - } while (done < n); - return 0; -} - -static size_t strnlen_user_pt(size_t count, const char __user *src) -{ - char *addr; - unsigned long uaddr = (unsigned long) src; - struct mm_struct *mm = current->mm; - unsigned long offset, pfn, done, len; - pte_t *pte; - size_t len_str; - - if (segment_eq(get_fs(), KERNEL_DS)) - return strnlen((const char __kernel __force *) src, count) + 1; - done = 0; -retry: - spin_lock(&mm->page_table_lock); - do { - pte = follow_table(mm, uaddr); - if ((unsigned long) pte < 0x1000) - goto fault; - if (!pte_present(*pte)) { - pte = (pte_t *) 0x11; - goto fault; - } - - pfn = pte_pfn(*pte); - offset = uaddr & (PAGE_SIZE-1); - addr = (char *)(pfn << PAGE_SHIFT) + offset; - len = min(count - done, PAGE_SIZE - offset); - len_str = strnlen(addr, len); - done += len_str; - uaddr += len_str; - } while ((len_str == len) && (done < count)); - spin_unlock(&mm->page_table_lock); - return done + 1; -fault: - spin_unlock(&mm->page_table_lock); - if (__handle_fault(uaddr, (unsigned long) pte, 0)) - return 0; - goto retry; -} - -static size_t strncpy_from_user_pt(size_t count, const char __user *src, - char *dst) -{ - size_t n = strnlen_user_pt(count, src); - - if (!n) - return -EFAULT; - if (n > count) - n = count; - if (segment_eq(get_fs(), KERNEL_DS)) { - memcpy(dst, (const char __kernel __force *) src, n); - if (dst[n-1] == '\0') - return n-1; - else - return n; - } - if (__user_copy_pt((unsigned long) src, dst, n, 0)) - return -EFAULT; - if (dst[n-1] == '\0') - return n-1; - else - return n; -} - -static size_t copy_in_user_pt(size_t n, void __user *to, - const void __user *from) -{ - struct mm_struct *mm = current->mm; - unsigned long offset_from, offset_to, offset_max, pfn_from, pfn_to, - uaddr, done, size, error_code; - unsigned long uaddr_from = (unsigned long) from; - unsigned long uaddr_to = (unsigned long) to; - pte_t *pte_from, *pte_to; - int write_user; - - if (segment_eq(get_fs(), KERNEL_DS)) { - memcpy((void __force *) to, (void __force *) from, n); - return 0; - } - done = 0; -retry: - spin_lock(&mm->page_table_lock); - do { - write_user = 0; - uaddr = uaddr_from; - pte_from = follow_table(mm, uaddr_from); - error_code = (unsigned long) pte_from; - if (error_code < 0x1000) - goto fault; - if (!pte_present(*pte_from)) { - error_code = 0x11; - goto fault; - } - - write_user = 1; - uaddr = uaddr_to; - pte_to = follow_table(mm, uaddr_to); - error_code = (unsigned long) pte_to; - if (error_code < 0x1000) - goto fault; - if (!pte_present(*pte_to)) { - error_code = 0x11; - goto fault; - } else if (!pte_write(*pte_to)) { - error_code = 0x04; - goto fault; - } - - pfn_from = pte_pfn(*pte_from); - pfn_to = pte_pfn(*pte_to); - offset_from = uaddr_from & (PAGE_SIZE-1); - offset_to = uaddr_from & (PAGE_SIZE-1); - offset_max = max(offset_from, offset_to); - size = min(n - done, PAGE_SIZE - offset_max); - - memcpy((void *)(pfn_to << PAGE_SHIFT) + offset_to, - (void *)(pfn_from << PAGE_SHIFT) + offset_from, size); - done += size; - uaddr_from += size; - uaddr_to += size; - } while (done < n); - spin_unlock(&mm->page_table_lock); - return n - done; -fault: - spin_unlock(&mm->page_table_lock); - if (__handle_fault(uaddr, error_code, write_user)) - return n - done; - goto retry; -} - -#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \ - asm volatile("0: l %1,0(%6)\n" \ - "1: " insn \ - "2: cs %1,%2,0(%6)\n" \ - "3: jl 1b\n" \ - " lhi %0,0\n" \ - "4:\n" \ - EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \ - : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ - "=m" (*uaddr) \ - : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ - "m" (*uaddr) : "cc" ); - -static int __futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old) -{ - int oldval = 0, newval, ret; - - switch (op) { - case FUTEX_OP_SET: - __futex_atomic_op("lr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ADD: - __futex_atomic_op("lr %2,%1\nar %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_OR: - __futex_atomic_op("lr %2,%1\nor %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ANDN: - __futex_atomic_op("lr %2,%1\nnr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_XOR: - __futex_atomic_op("lr %2,%1\nxr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - default: - ret = -ENOSYS; - } - if (ret == 0) - *old = oldval; - return ret; -} - -int futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old) -{ - int ret; - - if (segment_eq(get_fs(), KERNEL_DS)) - return __futex_atomic_op_pt(op, uaddr, oparg, old); - spin_lock(¤t->mm->page_table_lock); - uaddr = (u32 __force __user *) - __dat_user_addr((__force unsigned long) uaddr); - if (!uaddr) { - spin_unlock(¤t->mm->page_table_lock); - return -EFAULT; - } - get_page(virt_to_page(uaddr)); - spin_unlock(¤t->mm->page_table_lock); - ret = __futex_atomic_op_pt(op, uaddr, oparg, old); - put_page(virt_to_page(uaddr)); - return ret; -} - -static int __futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr, - u32 oldval, u32 newval) -{ - int ret; - - asm volatile("0: cs %1,%4,0(%5)\n" - "1: la %0,0\n" - "2:\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+d" (oldval), "=m" (*uaddr) - : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr) - : "cc", "memory" ); - *uval = oldval; - return ret; -} - -int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr, - u32 oldval, u32 newval) -{ - int ret; - - if (segment_eq(get_fs(), KERNEL_DS)) - return __futex_atomic_cmpxchg_pt(uval, uaddr, oldval, newval); - spin_lock(¤t->mm->page_table_lock); - uaddr = (u32 __force __user *) - __dat_user_addr((__force unsigned long) uaddr); - if (!uaddr) { - spin_unlock(¤t->mm->page_table_lock); - return -EFAULT; - } - get_page(virt_to_page(uaddr)); - spin_unlock(¤t->mm->page_table_lock); - ret = __futex_atomic_cmpxchg_pt(uval, uaddr, oldval, newval); - put_page(virt_to_page(uaddr)); - return ret; -} - -struct uaccess_ops uaccess_pt = { - .copy_from_user = copy_from_user_pt, - .copy_from_user_small = copy_from_user_pt, - .copy_to_user = copy_to_user_pt, - .copy_to_user_small = copy_to_user_pt, - .copy_in_user = copy_in_user_pt, - .clear_user = clear_user_pt, - .strnlen_user = strnlen_user_pt, - .strncpy_from_user = strncpy_from_user_pt, - .futex_atomic_op = futex_atomic_op_pt, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg_pt, -}; diff --git a/ANDROID_3.4.5/arch/s390/lib/uaccess_std.c b/ANDROID_3.4.5/arch/s390/lib/uaccess_std.c deleted file mode 100644 index bb1a7eed..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/uaccess_std.c +++ /dev/null @@ -1,319 +0,0 @@ -/* - * arch/s390/lib/uaccess_std.c - * - * Standard user space access functions based on mvcp/mvcs and doing - * interesting things in the secondary space mode. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * Gerald Schaefer (gerald.schaefer@de.ibm.com) - */ - -#include <linux/errno.h> -#include <linux/mm.h> -#include <linux/uaccess.h> -#include <asm/futex.h> -#include "uaccess.h" - -#ifndef __s390x__ -#define AHI "ahi" -#define ALR "alr" -#define CLR "clr" -#define LHI "lhi" -#define SLR "slr" -#else -#define AHI "aghi" -#define ALR "algr" -#define CLR "clgr" -#define LHI "lghi" -#define SLR "slgr" -#endif - -size_t copy_from_user_std(size_t size, const void __user *ptr, void *x) -{ - unsigned long tmp1, tmp2; - - tmp1 = -256UL; - asm volatile( - "0: mvcp 0(%0,%2),0(%1),%3\n" - "10:jz 8f\n" - "1:"ALR" %0,%3\n" - " la %1,256(%1)\n" - " la %2,256(%2)\n" - "2: mvcp 0(%0,%2),0(%1),%3\n" - "11:jnz 1b\n" - " j 8f\n" - "3: la %4,255(%1)\n" /* %4 = ptr + 255 */ - " "LHI" %3,-4096\n" - " nr %4,%3\n" /* %4 = (ptr + 255) & -4096 */ - " "SLR" %4,%1\n" - " "CLR" %0,%4\n" /* copy crosses next page boundary? */ - " jnh 5f\n" - "4: mvcp 0(%4,%2),0(%1),%3\n" - "12:"SLR" %0,%4\n" - " "ALR" %2,%4\n" - "5:"LHI" %4,-1\n" - " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */ - " bras %3,7f\n" /* memset loop */ - " xc 0(1,%2),0(%2)\n" - "6: xc 0(256,%2),0(%2)\n" - " la %2,256(%2)\n" - "7:"AHI" %4,-256\n" - " jnm 6b\n" - " ex %4,0(%3)\n" - " j 9f\n" - "8:"SLR" %0,%0\n" - "9: \n" - EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,5b) - EX_TABLE(10b,3b) EX_TABLE(11b,3b) EX_TABLE(12b,5b) - : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) - : : "cc", "memory"); - return size; -} - -static size_t copy_from_user_std_check(size_t size, const void __user *ptr, - void *x) -{ - if (size <= 1024) - return copy_from_user_std(size, ptr, x); - return copy_from_user_pt(size, ptr, x); -} - -size_t copy_to_user_std(size_t size, void __user *ptr, const void *x) -{ - unsigned long tmp1, tmp2; - - tmp1 = -256UL; - asm volatile( - "0: mvcs 0(%0,%1),0(%2),%3\n" - "7: jz 5f\n" - "1:"ALR" %0,%3\n" - " la %1,256(%1)\n" - " la %2,256(%2)\n" - "2: mvcs 0(%0,%1),0(%2),%3\n" - "8: jnz 1b\n" - " j 5f\n" - "3: la %4,255(%1)\n" /* %4 = ptr + 255 */ - " "LHI" %3,-4096\n" - " nr %4,%3\n" /* %4 = (ptr + 255) & -4096 */ - " "SLR" %4,%1\n" - " "CLR" %0,%4\n" /* copy crosses next page boundary? */ - " jnh 6f\n" - "4: mvcs 0(%4,%1),0(%2),%3\n" - "9:"SLR" %0,%4\n" - " j 6f\n" - "5:"SLR" %0,%0\n" - "6: \n" - EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,6b) - EX_TABLE(7b,3b) EX_TABLE(8b,3b) EX_TABLE(9b,6b) - : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) - : : "cc", "memory"); - return size; -} - -static size_t copy_to_user_std_check(size_t size, void __user *ptr, - const void *x) -{ - if (size <= 1024) - return copy_to_user_std(size, ptr, x); - return copy_to_user_pt(size, ptr, x); -} - -static size_t copy_in_user_std(size_t size, void __user *to, - const void __user *from) -{ - unsigned long tmp1; - - asm volatile( - " sacf 256\n" - " "AHI" %0,-1\n" - " jo 5f\n" - " bras %3,3f\n" - "0:"AHI" %0,257\n" - "1: mvc 0(1,%1),0(%2)\n" - " la %1,1(%1)\n" - " la %2,1(%2)\n" - " "AHI" %0,-1\n" - " jnz 1b\n" - " j 5f\n" - "2: mvc 0(256,%1),0(%2)\n" - " la %1,256(%1)\n" - " la %2,256(%2)\n" - "3:"AHI" %0,-256\n" - " jnm 2b\n" - "4: ex %0,1b-0b(%3)\n" - "5: "SLR" %0,%0\n" - "6: sacf 0\n" - EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b) - : "+a" (size), "+a" (to), "+a" (from), "=a" (tmp1) - : : "cc", "memory"); - return size; -} - -static size_t clear_user_std(size_t size, void __user *to) -{ - unsigned long tmp1, tmp2; - - asm volatile( - " sacf 256\n" - " "AHI" %0,-1\n" - " jo 5f\n" - " bras %3,3f\n" - " xc 0(1,%1),0(%1)\n" - "0:"AHI" %0,257\n" - " la %2,255(%1)\n" /* %2 = ptr + 255 */ - " srl %2,12\n" - " sll %2,12\n" /* %2 = (ptr + 255) & -4096 */ - " "SLR" %2,%1\n" - " "CLR" %0,%2\n" /* clear crosses next page boundary? */ - " jnh 5f\n" - " "AHI" %2,-1\n" - "1: ex %2,0(%3)\n" - " "AHI" %2,1\n" - " "SLR" %0,%2\n" - " j 5f\n" - "2: xc 0(256,%1),0(%1)\n" - " la %1,256(%1)\n" - "3:"AHI" %0,-256\n" - " jnm 2b\n" - "4: ex %0,0(%3)\n" - "5: "SLR" %0,%0\n" - "6: sacf 0\n" - EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b) - : "+a" (size), "+a" (to), "=a" (tmp1), "=a" (tmp2) - : : "cc", "memory"); - return size; -} - -size_t strnlen_user_std(size_t size, const char __user *src) -{ - register unsigned long reg0 asm("0") = 0UL; - unsigned long tmp1, tmp2; - - asm volatile( - " la %2,0(%1)\n" - " la %3,0(%0,%1)\n" - " "SLR" %0,%0\n" - " sacf 256\n" - "0: srst %3,%2\n" - " jo 0b\n" - " la %0,1(%3)\n" /* strnlen_user results includes \0 */ - " "SLR" %0,%1\n" - "1: sacf 0\n" - EX_TABLE(0b,1b) - : "+a" (size), "+a" (src), "=a" (tmp1), "=a" (tmp2) - : "d" (reg0) : "cc", "memory"); - return size; -} - -size_t strncpy_from_user_std(size_t size, const char __user *src, char *dst) -{ - register unsigned long reg0 asm("0") = 0UL; - unsigned long tmp1, tmp2; - - asm volatile( - " la %3,0(%1)\n" - " la %4,0(%0,%1)\n" - " sacf 256\n" - "0: srst %4,%3\n" - " jo 0b\n" - " sacf 0\n" - " la %0,0(%4)\n" - " jh 1f\n" /* found \0 in string ? */ - " "AHI" %4,1\n" /* include \0 in copy */ - "1:"SLR" %0,%1\n" /* %0 = return length (without \0) */ - " "SLR" %4,%1\n" /* %4 = copy length (including \0) */ - "2: mvcp 0(%4,%2),0(%1),%5\n" - " jz 9f\n" - "3:"AHI" %4,-256\n" - " la %1,256(%1)\n" - " la %2,256(%2)\n" - "4: mvcp 0(%4,%2),0(%1),%5\n" - " jnz 3b\n" - " j 9f\n" - "7: sacf 0\n" - "8:"LHI" %0,%6\n" - "9:\n" - EX_TABLE(0b,7b) EX_TABLE(2b,8b) EX_TABLE(4b,8b) - : "+a" (size), "+a" (src), "+d" (dst), "=a" (tmp1), "=a" (tmp2) - : "d" (reg0), "K" (-EFAULT) : "cc", "memory"); - return size; -} - -#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \ - asm volatile( \ - " sacf 256\n" \ - "0: l %1,0(%6)\n" \ - "1:"insn \ - "2: cs %1,%2,0(%6)\n" \ - "3: jl 1b\n" \ - " lhi %0,0\n" \ - "4: sacf 0\n" \ - EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \ - : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ - "=m" (*uaddr) \ - : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ - "m" (*uaddr) : "cc"); - -int futex_atomic_op_std(int op, u32 __user *uaddr, int oparg, int *old) -{ - int oldval = 0, newval, ret; - - switch (op) { - case FUTEX_OP_SET: - __futex_atomic_op("lr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ADD: - __futex_atomic_op("lr %2,%1\nar %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_OR: - __futex_atomic_op("lr %2,%1\nor %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ANDN: - __futex_atomic_op("lr %2,%1\nnr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_XOR: - __futex_atomic_op("lr %2,%1\nxr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - default: - ret = -ENOSYS; - } - *old = oldval; - return ret; -} - -int futex_atomic_cmpxchg_std(u32 *uval, u32 __user *uaddr, - u32 oldval, u32 newval) -{ - int ret; - - asm volatile( - " sacf 256\n" - "0: cs %1,%4,0(%5)\n" - "1: la %0,0\n" - "2: sacf 0\n" - EX_TABLE(0b,2b) EX_TABLE(1b,2b) - : "=d" (ret), "+d" (oldval), "=m" (*uaddr) - : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr) - : "cc", "memory" ); - *uval = oldval; - return ret; -} - -struct uaccess_ops uaccess_std = { - .copy_from_user = copy_from_user_std_check, - .copy_from_user_small = copy_from_user_std, - .copy_to_user = copy_to_user_std_check, - .copy_to_user_small = copy_to_user_std, - .copy_in_user = copy_in_user_std, - .clear_user = clear_user_std, - .strnlen_user = strnlen_user_std, - .strncpy_from_user = strncpy_from_user_std, - .futex_atomic_op = futex_atomic_op_std, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg_std, -}; diff --git a/ANDROID_3.4.5/arch/s390/lib/ucmpdi2.c b/ANDROID_3.4.5/arch/s390/lib/ucmpdi2.c deleted file mode 100644 index 3e05ff53..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/ucmpdi2.c +++ /dev/null @@ -1,26 +0,0 @@ -#include <linux/module.h> - -union ull_union { - unsigned long long ull; - struct { - unsigned int high; - unsigned int low; - } ui; -}; - -int __ucmpdi2(unsigned long long a, unsigned long long b) -{ - union ull_union au = {.ull = a}; - union ull_union bu = {.ull = b}; - - if (au.ui.high < bu.ui.high) - return 0; - else if (au.ui.high > bu.ui.high) - return 2; - if (au.ui.low < bu.ui.low) - return 0; - else if (au.ui.low > bu.ui.low) - return 2; - return 1; -} -EXPORT_SYMBOL(__ucmpdi2); diff --git a/ANDROID_3.4.5/arch/s390/lib/usercopy.c b/ANDROID_3.4.5/arch/s390/lib/usercopy.c deleted file mode 100644 index 14b363fe..00000000 --- a/ANDROID_3.4.5/arch/s390/lib/usercopy.c +++ /dev/null @@ -1,8 +0,0 @@ -#include <linux/module.h> -#include <linux/bug.h> - -void copy_from_user_overflow(void) -{ - WARN(1, "Buffer overflow detected!\n"); -} -EXPORT_SYMBOL(copy_from_user_overflow); diff --git a/ANDROID_3.4.5/arch/s390/math-emu/Makefile b/ANDROID_3.4.5/arch/s390/math-emu/Makefile deleted file mode 100644 index 51d39954..00000000 --- a/ANDROID_3.4.5/arch/s390/math-emu/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the FPU instruction emulation. -# - -obj-$(CONFIG_MATHEMU) := math.o - -ccflags-y := -I$(src) -Iinclude/math-emu -w diff --git a/ANDROID_3.4.5/arch/s390/math-emu/math.c b/ANDROID_3.4.5/arch/s390/math-emu/math.c deleted file mode 100644 index cd4e9c16..00000000 --- a/ANDROID_3.4.5/arch/s390/math-emu/math.c +++ /dev/null @@ -1,2255 +0,0 @@ -/* - * arch/s390/math-emu/math.c - * - * S390 version - * Copyright (C) 1999-2001 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), - * - * 'math.c' emulates IEEE instructions on a S390 processor - * that does not have the IEEE fpu (all processors before G5). - */ - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <asm/uaccess.h> -#include <asm/lowcore.h> - -#include <asm/sfp-util.h> -#include <math-emu/soft-fp.h> -#include <math-emu/single.h> -#include <math-emu/double.h> -#include <math-emu/quad.h> - -/* - * I miss a macro to round a floating point number to the - * nearest integer in the same floating point format. - */ -#define _FP_TO_FPINT_ROUND(fs, wc, X) \ - do { \ - switch (X##_c) \ - { \ - case FP_CLS_NORMAL: \ - if (X##_e > _FP_FRACBITS_##fs + _FP_EXPBIAS_##fs) \ - { /* floating point number has no bits after the dot. */ \ - } \ - else if (X##_e <= _FP_FRACBITS_##fs + _FP_EXPBIAS_##fs && \ - X##_e > _FP_EXPBIAS_##fs) \ - { /* some bits before the dot, some after it. */ \ - _FP_FRAC_SRS_##wc(X, _FP_WFRACBITS_##fs, \ - X##_e - _FP_EXPBIAS_##fs \ - + _FP_FRACBITS_##fs); \ - _FP_ROUND(wc, X); \ - _FP_FRAC_SLL_##wc(X, X##_e - _FP_EXPBIAS_##fs \ - + _FP_FRACBITS_##fs); \ - } \ - else \ - { /* all bits after the dot. */ \ - FP_SET_EXCEPTION(FP_EX_INEXACT); \ - X##_c = FP_CLS_ZERO; \ - } \ - break; \ - case FP_CLS_NAN: \ - case FP_CLS_INF: \ - case FP_CLS_ZERO: \ - break; \ - } \ - } while (0) - -#define FP_TO_FPINT_ROUND_S(X) _FP_TO_FPINT_ROUND(S,1,X) -#define FP_TO_FPINT_ROUND_D(X) _FP_TO_FPINT_ROUND(D,2,X) -#define FP_TO_FPINT_ROUND_Q(X) _FP_TO_FPINT_ROUND(Q,4,X) - -typedef union { - long double ld; - struct { - __u64 high; - __u64 low; - } w; -} mathemu_ldcv; - -#ifdef CONFIG_SYSCTL -int sysctl_ieee_emulation_warnings=1; -#endif - -#define mathemu_put_user(x, p) \ - do { \ - if (put_user((x),(p))) \ - return SIGSEGV; \ - } while (0) - -#define mathemu_get_user(x, p) \ - do { \ - if (get_user((x),(p))) \ - return SIGSEGV; \ - } while (0) - -#define mathemu_copy_from_user(d, s, n)\ - do { \ - if (copy_from_user((d),(s),(n)) != 0) \ - return SIGSEGV; \ - } while (0) - -#define mathemu_copy_to_user(d, s, n) \ - do { \ - if (copy_to_user((d),(s),(n)) != 0) \ - return SIGSEGV; \ - } while (0) - -static void display_emulation_not_implemented(struct pt_regs *regs, char *instr) -{ - __u16 *location; - -#ifdef CONFIG_SYSCTL - if(sysctl_ieee_emulation_warnings) -#endif - { - location = (__u16 *)(regs->psw.addr-S390_lowcore.pgm_ilc); - printk("%s ieee fpu instruction not emulated " - "process name: %s pid: %d \n", - instr, current->comm, current->pid); - printk("%s's PSW: %08lx %08lx\n", instr, - (unsigned long) regs->psw.mask, - (unsigned long) location); - } -} - -static inline void emu_set_CC (struct pt_regs *regs, int cc) -{ - regs->psw.mask = (regs->psw.mask & 0xFFFFCFFF) | ((cc&3) << 12); -} - -/* - * Set the condition code in the user psw. - * 0 : Result is zero - * 1 : Result is less than zero - * 2 : Result is greater than zero - * 3 : Result is NaN or INF - */ -static inline void emu_set_CC_cs(struct pt_regs *regs, int class, int sign) -{ - switch (class) { - case FP_CLS_NORMAL: - case FP_CLS_INF: - emu_set_CC(regs, sign ? 1 : 2); - break; - case FP_CLS_ZERO: - emu_set_CC(regs, 0); - break; - case FP_CLS_NAN: - emu_set_CC(regs, 3); - break; - } -} - -/* Add long double */ -static int emu_axbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QB, &cvt.ld); - FP_ADD_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Add double */ -static int emu_adbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_ADD_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Add double */ -static int emu_adb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_ADD_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Add float */ -static int emu_aebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_ADD_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Add float */ -static int emu_aeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_ADD_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Compare long double */ -static int emu_cxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); - mathemu_ldcv cvt; - int IR; - - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_RAW_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_RAW_QP(QB, &cvt.ld); - FP_CMP_Q(IR, QA, QB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - return 0; -} - -/* Compare double */ -static int emu_cdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); - int IR; - - FP_UNPACK_RAW_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_RAW_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_CMP_D(IR, DA, DB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - return 0; -} - -/* Compare double */ -static int emu_cdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); - int IR; - - FP_UNPACK_RAW_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_RAW_DP(DB, val); - FP_CMP_D(IR, DA, DB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - return 0; -} - -/* Compare float */ -static int emu_cebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); - int IR; - - FP_UNPACK_RAW_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_RAW_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_CMP_S(IR, SA, SB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - return 0; -} - -/* Compare float */ -static int emu_ceb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); - int IR; - - FP_UNPACK_RAW_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_RAW_SP(SB, val); - FP_CMP_S(IR, SA, SB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - return 0; -} - -/* Compare and signal long double */ -static int emu_kxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); - FP_DECL_EX; - mathemu_ldcv cvt; - int IR; - - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_RAW_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QB, &cvt.ld); - FP_CMP_Q(IR, QA, QB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - if (IR == 3) - FP_SET_EXCEPTION (FP_EX_INVALID); - return _fex; -} - -/* Compare and signal double */ -static int emu_kdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); - FP_DECL_EX; - int IR; - - FP_UNPACK_RAW_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_RAW_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_CMP_D(IR, DA, DB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - if (IR == 3) - FP_SET_EXCEPTION (FP_EX_INVALID); - return _fex; -} - -/* Compare and signal double */ -static int emu_kdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); - FP_DECL_EX; - int IR; - - FP_UNPACK_RAW_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_RAW_DP(DB, val); - FP_CMP_D(IR, DA, DB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - if (IR == 3) - FP_SET_EXCEPTION (FP_EX_INVALID); - return _fex; -} - -/* Compare and signal float */ -static int emu_kebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); - FP_DECL_EX; - int IR; - - FP_UNPACK_RAW_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_RAW_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_CMP_S(IR, SA, SB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - if (IR == 3) - FP_SET_EXCEPTION (FP_EX_INVALID); - return _fex; -} - -/* Compare and signal float */ -static int emu_keb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); - FP_DECL_EX; - int IR; - - FP_UNPACK_RAW_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_RAW_SP(SB, val); - FP_CMP_S(IR, SA, SB, 3); - /* - * IR == -1 if DA < DB, IR == 0 if DA == DB, - * IR == 1 if DA > DB and IR == 3 if unorderded - */ - emu_set_CC(regs, (IR == -1) ? 1 : (IR == 1) ? 2 : IR); - if (IR == 3) - FP_SET_EXCEPTION (FP_EX_INVALID); - return _fex; -} - -/* Convert from fixed long double */ -static int emu_cxfbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - __s32 si; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - si = regs->gprs[ry]; - FP_FROM_INT_Q(QR, si, 32, int); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Convert from fixed double */ -static int emu_cdfbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DR); - FP_DECL_EX; - __s32 si; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - si = regs->gprs[ry]; - FP_FROM_INT_D(DR, si, 32, int); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Convert from fixed float */ -static int emu_cefbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SR); - FP_DECL_EX; - __s32 si; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - si = regs->gprs[ry]; - FP_FROM_INT_S(SR, si, 32, int); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Convert to fixed long double */ -static int emu_cfxbr (struct pt_regs *regs, int rx, int ry, int mask) { - FP_DECL_Q(QA); - FP_DECL_EX; - mathemu_ldcv cvt; - __s32 si; - int mode; - - if (mask == 0) - mode = current->thread.fp_regs.fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_TO_INT_ROUND_Q(si, QA, 32, 1); - regs->gprs[rx] = si; - emu_set_CC_cs(regs, QA_c, QA_s); - return _fex; -} - -/* Convert to fixed double */ -static int emu_cfdbr (struct pt_regs *regs, int rx, int ry, int mask) { - FP_DECL_D(DA); - FP_DECL_EX; - __s32 si; - int mode; - - if (mask == 0) - mode = current->thread.fp_regs.fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_TO_INT_ROUND_D(si, DA, 32, 1); - regs->gprs[rx] = si; - emu_set_CC_cs(regs, DA_c, DA_s); - return _fex; -} - -/* Convert to fixed float */ -static int emu_cfebr (struct pt_regs *regs, int rx, int ry, int mask) { - FP_DECL_S(SA); - FP_DECL_EX; - __s32 si; - int mode; - - if (mask == 0) - mode = current->thread.fp_regs.fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_TO_INT_ROUND_S(si, SA, 32, 1); - regs->gprs[rx] = si; - emu_set_CC_cs(regs, SA_c, SA_s); - return _fex; -} - -/* Divide long double */ -static int emu_dxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QB, &cvt.ld); - FP_DIV_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Divide double */ -static int emu_ddbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_DIV_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Divide double */ -static int emu_ddb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_DIV_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Divide float */ -static int emu_debr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_DIV_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Divide float */ -static int emu_deb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_DIV_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Divide to integer double */ -static int emu_didbr (struct pt_regs *regs, int rx, int ry, int mask) { - display_emulation_not_implemented(regs, "didbr"); - return 0; -} - -/* Divide to integer float */ -static int emu_diebr (struct pt_regs *regs, int rx, int ry, int mask) { - display_emulation_not_implemented(regs, "diebr"); - return 0; -} - -/* Extract fpc */ -static int emu_efpc (struct pt_regs *regs, int rx, int ry) { - regs->gprs[rx] = current->thread.fp_regs.fpc; - return 0; -} - -/* Load and test long double */ -static int emu_ltxbr (struct pt_regs *regs, int rx, int ry) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - mathemu_ldcv cvt; - FP_DECL_Q(QA); - FP_DECL_EX; - - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - fp_regs->fprs[rx].ui = fp_regs->fprs[ry].ui; - fp_regs->fprs[rx+2].ui = fp_regs->fprs[ry+2].ui; - emu_set_CC_cs(regs, QA_c, QA_s); - return _fex; -} - -/* Load and test double */ -static int emu_ltdbr (struct pt_regs *regs, int rx, int ry) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - FP_DECL_D(DA); - FP_DECL_EX; - - FP_UNPACK_DP(DA, &fp_regs->fprs[ry].d); - fp_regs->fprs[rx].ui = fp_regs->fprs[ry].ui; - emu_set_CC_cs(regs, DA_c, DA_s); - return _fex; -} - -/* Load and test double */ -static int emu_ltebr (struct pt_regs *regs, int rx, int ry) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - FP_DECL_S(SA); - FP_DECL_EX; - - FP_UNPACK_SP(SA, &fp_regs->fprs[ry].f); - fp_regs->fprs[rx].ui = fp_regs->fprs[ry].ui; - emu_set_CC_cs(regs, SA_c, SA_s); - return _fex; -} - -/* Load complement long double */ -static int emu_lcxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_NEG_Q(QR, QA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Load complement double */ -static int emu_lcdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_NEG_D(DR, DA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Load complement float */ -static int emu_lcebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_NEG_S(SR, SA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Load floating point integer long double */ -static int emu_fixbr (struct pt_regs *regs, int rx, int ry, int mask) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - FP_DECL_Q(QA); - FP_DECL_EX; - mathemu_ldcv cvt; - __s32 si; - int mode; - - if (mask == 0) - mode = fp_regs->fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - cvt.w.high = fp_regs->fprs[ry].ui; - cvt.w.low = fp_regs->fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_TO_FPINT_ROUND_Q(QA); - FP_PACK_QP(&cvt.ld, QA); - fp_regs->fprs[rx].ui = cvt.w.high; - fp_regs->fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Load floating point integer double */ -static int emu_fidbr (struct pt_regs *regs, int rx, int ry, int mask) { - /* FIXME: rounding mode !! */ - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - FP_DECL_D(DA); - FP_DECL_EX; - __s32 si; - int mode; - - if (mask == 0) - mode = fp_regs->fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - FP_UNPACK_DP(DA, &fp_regs->fprs[ry].d); - FP_TO_FPINT_ROUND_D(DA); - FP_PACK_DP(&fp_regs->fprs[rx].d, DA); - return _fex; -} - -/* Load floating point integer float */ -static int emu_fiebr (struct pt_regs *regs, int rx, int ry, int mask) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - FP_DECL_S(SA); - FP_DECL_EX; - __s32 si; - int mode; - - if (mask == 0) - mode = fp_regs->fpc & 3; - else if (mask == 1) - mode = FP_RND_NEAREST; - else - mode = mask - 4; - FP_UNPACK_SP(SA, &fp_regs->fprs[ry].f); - FP_TO_FPINT_ROUND_S(SA); - FP_PACK_SP(&fp_regs->fprs[rx].f, SA); - return _fex; -} - -/* Load lengthened double to long double */ -static int emu_lxdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_CONV (Q, D, 4, 2, QR, DA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Load lengthened double to long double */ -static int emu_lxdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, val); - FP_CONV (Q, D, 4, 2, QR, DA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Load lengthened float to long double */ -static int emu_lxebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_CONV (Q, S, 4, 1, QR, SA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Load lengthened float to long double */ -static int emu_lxeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, val); - FP_CONV (Q, S, 4, 1, QR, SA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Load lengthened float to double */ -static int emu_ldebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_CONV (D, S, 2, 1, DR, SA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Load lengthened float to double */ -static int emu_ldeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, val); - FP_CONV (D, S, 2, 1, DR, SA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Load negative long double */ -static int emu_lnxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - if (QA_s == 0) { - FP_NEG_Q(QR, QA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - } else { - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - current->thread.fp_regs.fprs[rx+2].ui = - current->thread.fp_regs.fprs[ry+2].ui; - } - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Load negative double */ -static int emu_lndbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - if (DA_s == 0) { - FP_NEG_D(DR, DA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - } else - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Load negative float */ -static int emu_lnebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - if (SA_s == 0) { - FP_NEG_S(SR, SA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - } else - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Load positive long double */ -static int emu_lpxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - if (QA_s != 0) { - FP_NEG_Q(QR, QA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - } else{ - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - current->thread.fp_regs.fprs[rx+2].ui = - current->thread.fp_regs.fprs[ry+2].ui; - } - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Load positive double */ -static int emu_lpdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - if (DA_s != 0) { - FP_NEG_D(DR, DA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - } else - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Load positive float */ -static int emu_lpebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - if (SA_s != 0) { - FP_NEG_S(SR, SA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - } else - current->thread.fp_regs.fprs[rx].ui = - current->thread.fp_regs.fprs[ry].ui; - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Load rounded long double to double */ -static int emu_ldxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_D(DR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_CONV (D, Q, 2, 4, DR, QA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].f, DR); - return _fex; -} - -/* Load rounded long double to float */ -static int emu_lexbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_S(SR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_CONV (S, Q, 1, 4, SR, QA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Load rounded double to float */ -static int emu_ledbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_CONV (S, D, 1, 2, SR, DA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Multiply long double */ -static int emu_mxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QB, &cvt.ld); - FP_MUL_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Multiply double */ -static int emu_mdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_MUL_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Multiply double */ -static int emu_mdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_MUL_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Multiply double to long double */ -static int emu_mxdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_CONV (Q, D, 4, 2, QA, DA); - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_CONV (Q, D, 4, 2, QB, DA); - FP_MUL_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Multiply double to long double */ -static int emu_mxdb (struct pt_regs *regs, int rx, long double *val) { - FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_UNPACK_QP(QB, val); - FP_MUL_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - return _fex; -} - -/* Multiply float */ -static int emu_meebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_MUL_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Multiply float */ -static int emu_meeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_MUL_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - return _fex; -} - -/* Multiply float to double */ -static int emu_mdebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_CONV (D, S, 2, 1, DA, SA); - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_CONV (D, S, 2, 1, DB, SA); - FP_MUL_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Multiply float to double */ -static int emu_mdeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_CONV (D, S, 2, 1, DA, SA); - FP_UNPACK_SP(SA, val); - FP_CONV (D, S, 2, 1, DB, SA); - FP_MUL_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - return _fex; -} - -/* Multiply and add double */ -static int emu_madbr (struct pt_regs *regs, int rx, int ry, int rz) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DC); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_UNPACK_DP(DC, ¤t->thread.fp_regs.fprs[rz].d); - FP_MUL_D(DR, DA, DB); - FP_ADD_D(DR, DR, DC); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rz].d, DR); - return _fex; -} - -/* Multiply and add double */ -static int emu_madb (struct pt_regs *regs, int rx, double *val, int rz) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DC); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_UNPACK_DP(DC, ¤t->thread.fp_regs.fprs[rz].d); - FP_MUL_D(DR, DA, DB); - FP_ADD_D(DR, DR, DC); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rz].d, DR); - return _fex; -} - -/* Multiply and add float */ -static int emu_maebr (struct pt_regs *regs, int rx, int ry, int rz) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SC); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_UNPACK_SP(SC, ¤t->thread.fp_regs.fprs[rz].f); - FP_MUL_S(SR, SA, SB); - FP_ADD_S(SR, SR, SC); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rz].f, SR); - return _fex; -} - -/* Multiply and add float */ -static int emu_maeb (struct pt_regs *regs, int rx, float *val, int rz) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SC); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_UNPACK_SP(SC, ¤t->thread.fp_regs.fprs[rz].f); - FP_MUL_S(SR, SA, SB); - FP_ADD_S(SR, SR, SC); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rz].f, SR); - return _fex; -} - -/* Multiply and subtract double */ -static int emu_msdbr (struct pt_regs *regs, int rx, int ry, int rz) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DC); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_UNPACK_DP(DC, ¤t->thread.fp_regs.fprs[rz].d); - FP_MUL_D(DR, DA, DB); - FP_SUB_D(DR, DR, DC); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rz].d, DR); - return _fex; -} - -/* Multiply and subtract double */ -static int emu_msdb (struct pt_regs *regs, int rx, double *val, int rz) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DC); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_UNPACK_DP(DC, ¤t->thread.fp_regs.fprs[rz].d); - FP_MUL_D(DR, DA, DB); - FP_SUB_D(DR, DR, DC); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rz].d, DR); - return _fex; -} - -/* Multiply and subtract float */ -static int emu_msebr (struct pt_regs *regs, int rx, int ry, int rz) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SC); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_UNPACK_SP(SC, ¤t->thread.fp_regs.fprs[rz].f); - FP_MUL_S(SR, SA, SB); - FP_SUB_S(SR, SR, SC); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rz].f, SR); - return _fex; -} - -/* Multiply and subtract float */ -static int emu_mseb (struct pt_regs *regs, int rx, float *val, int rz) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SC); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_UNPACK_SP(SC, ¤t->thread.fp_regs.fprs[rz].f); - FP_MUL_S(SR, SA, SB); - FP_SUB_S(SR, SR, SC); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rz].f, SR); - return _fex; -} - -/* Set floating point control word */ -static int emu_sfpc (struct pt_regs *regs, int rx, int ry) { - __u32 temp; - - temp = regs->gprs[rx]; - if ((temp & ~FPC_VALID_MASK) != 0) - return SIGILL; - current->thread.fp_regs.fpc = temp; - return 0; -} - -/* Square root long double */ -static int emu_sqxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - FP_SQRT_Q(QR, QA); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Square root double */ -static int emu_sqdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[ry].d); - FP_SQRT_D(DR, DA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Square root double */ -static int emu_sqdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, val); - FP_SQRT_D(DR, DA); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Square root float */ -static int emu_sqebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[ry].f); - FP_SQRT_S(SR, SA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Square root float */ -static int emu_sqeb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, val); - FP_SQRT_S(SR, SA); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Subtract long double */ -static int emu_sxbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_Q(QA); FP_DECL_Q(QB); FP_DECL_Q(QR); - FP_DECL_EX; - mathemu_ldcv cvt; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_QP(QA, &cvt.ld); - cvt.w.high = current->thread.fp_regs.fprs[ry].ui; - cvt.w.low = current->thread.fp_regs.fprs[ry+2].ui; - FP_UNPACK_QP(QB, &cvt.ld); - FP_SUB_Q(QR, QA, QB); - FP_PACK_QP(&cvt.ld, QR); - current->thread.fp_regs.fprs[rx].ui = cvt.w.high; - current->thread.fp_regs.fprs[rx+2].ui = cvt.w.low; - emu_set_CC_cs(regs, QR_c, QR_s); - return _fex; -} - -/* Subtract double */ -static int emu_sdbr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, ¤t->thread.fp_regs.fprs[ry].d); - FP_SUB_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Subtract double */ -static int emu_sdb (struct pt_regs *regs, int rx, double *val) { - FP_DECL_D(DA); FP_DECL_D(DB); FP_DECL_D(DR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - FP_UNPACK_DP(DB, val); - FP_SUB_D(DR, DA, DB); - FP_PACK_DP(¤t->thread.fp_regs.fprs[rx].d, DR); - emu_set_CC_cs(regs, DR_c, DR_s); - return _fex; -} - -/* Subtract float */ -static int emu_sebr (struct pt_regs *regs, int rx, int ry) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, ¤t->thread.fp_regs.fprs[ry].f); - FP_SUB_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Subtract float */ -static int emu_seb (struct pt_regs *regs, int rx, float *val) { - FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR); - FP_DECL_EX; - int mode; - - mode = current->thread.fp_regs.fpc & 3; - FP_UNPACK_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - FP_UNPACK_SP(SB, val); - FP_SUB_S(SR, SA, SB); - FP_PACK_SP(¤t->thread.fp_regs.fprs[rx].f, SR); - emu_set_CC_cs(regs, SR_c, SR_s); - return _fex; -} - -/* Test data class long double */ -static int emu_tcxb (struct pt_regs *regs, int rx, long val) { - FP_DECL_Q(QA); - mathemu_ldcv cvt; - int bit; - - cvt.w.high = current->thread.fp_regs.fprs[rx].ui; - cvt.w.low = current->thread.fp_regs.fprs[rx+2].ui; - FP_UNPACK_RAW_QP(QA, &cvt.ld); - switch (QA_e) { - default: - bit = 8; /* normalized number */ - break; - case 0: - if (_FP_FRAC_ZEROP_4(QA)) - bit = 10; /* zero */ - else - bit = 6; /* denormalized number */ - break; - case _FP_EXPMAX_Q: - if (_FP_FRAC_ZEROP_4(QA)) - bit = 4; /* infinity */ - else if (_FP_FRAC_HIGH_RAW_Q(QA) & _FP_QNANBIT_Q) - bit = 2; /* quiet NAN */ - else - bit = 0; /* signaling NAN */ - break; - } - if (!QA_s) - bit++; - emu_set_CC(regs, ((__u32) val >> bit) & 1); - return 0; -} - -/* Test data class double */ -static int emu_tcdb (struct pt_regs *regs, int rx, long val) { - FP_DECL_D(DA); - int bit; - - FP_UNPACK_RAW_DP(DA, ¤t->thread.fp_regs.fprs[rx].d); - switch (DA_e) { - default: - bit = 8; /* normalized number */ - break; - case 0: - if (_FP_FRAC_ZEROP_2(DA)) - bit = 10; /* zero */ - else - bit = 6; /* denormalized number */ - break; - case _FP_EXPMAX_D: - if (_FP_FRAC_ZEROP_2(DA)) - bit = 4; /* infinity */ - else if (_FP_FRAC_HIGH_RAW_D(DA) & _FP_QNANBIT_D) - bit = 2; /* quiet NAN */ - else - bit = 0; /* signaling NAN */ - break; - } - if (!DA_s) - bit++; - emu_set_CC(regs, ((__u32) val >> bit) & 1); - return 0; -} - -/* Test data class float */ -static int emu_tceb (struct pt_regs *regs, int rx, long val) { - FP_DECL_S(SA); - int bit; - - FP_UNPACK_RAW_SP(SA, ¤t->thread.fp_regs.fprs[rx].f); - switch (SA_e) { - default: - bit = 8; /* normalized number */ - break; - case 0: - if (_FP_FRAC_ZEROP_1(SA)) - bit = 10; /* zero */ - else - bit = 6; /* denormalized number */ - break; - case _FP_EXPMAX_S: - if (_FP_FRAC_ZEROP_1(SA)) - bit = 4; /* infinity */ - else if (_FP_FRAC_HIGH_RAW_S(SA) & _FP_QNANBIT_S) - bit = 2; /* quiet NAN */ - else - bit = 0; /* signaling NAN */ - break; - } - if (!SA_s) - bit++; - emu_set_CC(regs, ((__u32) val >> bit) & 1); - return 0; -} - -static inline void emu_load_regd(int reg) { - if ((reg&9) != 0) /* test if reg in {0,2,4,6} */ - return; - asm volatile( /* load reg from fp_regs.fprs[reg] */ - " bras 1,0f\n" - " ld 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (reg<<4),"a" (¤t->thread.fp_regs.fprs[reg].d) - : "1"); -} - -static inline void emu_load_rege(int reg) { - if ((reg&9) != 0) /* test if reg in {0,2,4,6} */ - return; - asm volatile( /* load reg from fp_regs.fprs[reg] */ - " bras 1,0f\n" - " le 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f) - : "1"); -} - -static inline void emu_store_regd(int reg) { - if ((reg&9) != 0) /* test if reg in {0,2,4,6} */ - return; - asm volatile( /* store reg to fp_regs.fprs[reg] */ - " bras 1,0f\n" - " std 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].d) - : "1"); -} - - -static inline void emu_store_rege(int reg) { - if ((reg&9) != 0) /* test if reg in {0,2,4,6} */ - return; - asm volatile( /* store reg to fp_regs.fprs[reg] */ - " bras 1,0f\n" - " ste 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (reg<<4), "a" (¤t->thread.fp_regs.fprs[reg].f) - : "1"); -} - -int math_emu_b3(__u8 *opcode, struct pt_regs * regs) { - int _fex = 0; - static const __u8 format_table[256] = { - [0x00] = 0x03,[0x01] = 0x03,[0x02] = 0x03,[0x03] = 0x03, - [0x04] = 0x0f,[0x05] = 0x0d,[0x06] = 0x0e,[0x07] = 0x0d, - [0x08] = 0x03,[0x09] = 0x03,[0x0a] = 0x03,[0x0b] = 0x03, - [0x0c] = 0x0f,[0x0d] = 0x03,[0x0e] = 0x06,[0x0f] = 0x06, - [0x10] = 0x02,[0x11] = 0x02,[0x12] = 0x02,[0x13] = 0x02, - [0x14] = 0x03,[0x15] = 0x02,[0x16] = 0x01,[0x17] = 0x03, - [0x18] = 0x02,[0x19] = 0x02,[0x1a] = 0x02,[0x1b] = 0x02, - [0x1c] = 0x02,[0x1d] = 0x02,[0x1e] = 0x05,[0x1f] = 0x05, - [0x40] = 0x01,[0x41] = 0x01,[0x42] = 0x01,[0x43] = 0x01, - [0x44] = 0x12,[0x45] = 0x0d,[0x46] = 0x11,[0x47] = 0x04, - [0x48] = 0x01,[0x49] = 0x01,[0x4a] = 0x01,[0x4b] = 0x01, - [0x4c] = 0x01,[0x4d] = 0x01,[0x53] = 0x06,[0x57] = 0x06, - [0x5b] = 0x05,[0x5f] = 0x05,[0x84] = 0x13,[0x8c] = 0x13, - [0x94] = 0x09,[0x95] = 0x08,[0x96] = 0x07,[0x98] = 0x0c, - [0x99] = 0x0b,[0x9a] = 0x0a - }; - static const void *jump_table[256]= { - [0x00] = emu_lpebr,[0x01] = emu_lnebr,[0x02] = emu_ltebr, - [0x03] = emu_lcebr,[0x04] = emu_ldebr,[0x05] = emu_lxdbr, - [0x06] = emu_lxebr,[0x07] = emu_mxdbr,[0x08] = emu_kebr, - [0x09] = emu_cebr, [0x0a] = emu_aebr, [0x0b] = emu_sebr, - [0x0c] = emu_mdebr,[0x0d] = emu_debr, [0x0e] = emu_maebr, - [0x0f] = emu_msebr,[0x10] = emu_lpdbr,[0x11] = emu_lndbr, - [0x12] = emu_ltdbr,[0x13] = emu_lcdbr,[0x14] = emu_sqebr, - [0x15] = emu_sqdbr,[0x16] = emu_sqxbr,[0x17] = emu_meebr, - [0x18] = emu_kdbr, [0x19] = emu_cdbr, [0x1a] = emu_adbr, - [0x1b] = emu_sdbr, [0x1c] = emu_mdbr, [0x1d] = emu_ddbr, - [0x1e] = emu_madbr,[0x1f] = emu_msdbr,[0x40] = emu_lpxbr, - [0x41] = emu_lnxbr,[0x42] = emu_ltxbr,[0x43] = emu_lcxbr, - [0x44] = emu_ledbr,[0x45] = emu_ldxbr,[0x46] = emu_lexbr, - [0x47] = emu_fixbr,[0x48] = emu_kxbr, [0x49] = emu_cxbr, - [0x4a] = emu_axbr, [0x4b] = emu_sxbr, [0x4c] = emu_mxbr, - [0x4d] = emu_dxbr, [0x53] = emu_diebr,[0x57] = emu_fiebr, - [0x5b] = emu_didbr,[0x5f] = emu_fidbr,[0x84] = emu_sfpc, - [0x8c] = emu_efpc, [0x94] = emu_cefbr,[0x95] = emu_cdfbr, - [0x96] = emu_cxfbr,[0x98] = emu_cfebr,[0x99] = emu_cfdbr, - [0x9a] = emu_cfxbr - }; - - switch (format_table[opcode[1]]) { - case 1: /* RRE format, long double operation */ - if (opcode[3] & 0x22) - return SIGILL; - emu_store_regd((opcode[3] >> 4) & 15); - emu_store_regd(((opcode[3] >> 4) & 15) + 2); - emu_store_regd(opcode[3] & 15); - emu_store_regd((opcode[3] & 15) + 2); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *,int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(((opcode[3] >> 4) & 15) + 2); - emu_load_regd(opcode[3] & 15); - emu_load_regd((opcode[3] & 15) + 2); - break; - case 2: /* RRE format, double operation */ - emu_store_regd((opcode[3] >> 4) & 15); - emu_store_regd(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(opcode[3] & 15); - break; - case 3: /* RRE format, float operation */ - emu_store_rege((opcode[3] >> 4) & 15); - emu_store_rege(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_rege((opcode[3] >> 4) & 15); - emu_load_rege(opcode[3] & 15); - break; - case 4: /* RRF format, long double operation */ - if (opcode[3] & 0x22) - return SIGILL; - emu_store_regd((opcode[3] >> 4) & 15); - emu_store_regd(((opcode[3] >> 4) & 15) + 2); - emu_store_regd(opcode[3] & 15); - emu_store_regd((opcode[3] & 15) + 2); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(((opcode[3] >> 4) & 15) + 2); - emu_load_regd(opcode[3] & 15); - emu_load_regd((opcode[3] & 15) + 2); - break; - case 5: /* RRF format, double operation */ - emu_store_regd((opcode[2] >> 4) & 15); - emu_store_regd((opcode[3] >> 4) & 15); - emu_store_regd(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - emu_load_regd((opcode[2] >> 4) & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(opcode[3] & 15); - break; - case 6: /* RRF format, float operation */ - emu_store_rege((opcode[2] >> 4) & 15); - emu_store_rege((opcode[3] >> 4) & 15); - emu_store_rege(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - emu_load_rege((opcode[2] >> 4) & 15); - emu_load_rege((opcode[3] >> 4) & 15); - emu_load_rege(opcode[3] & 15); - break; - case 7: /* RRE format, cxfbr instruction */ - /* call the emulation function */ - if (opcode[3] & 0x20) - return SIGILL; - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(((opcode[3] >> 4) & 15) + 2); - break; - case 8: /* RRE format, cdfbr instruction */ - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - break; - case 9: /* RRE format, cefbr instruction */ - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_rege((opcode[3] >> 4) & 15); - break; - case 10: /* RRF format, cfxbr instruction */ - if ((opcode[2] & 128) == 128 || (opcode[2] & 96) == 32) - /* mask of { 2,3,8-15 } is invalid */ - return SIGILL; - if (opcode[3] & 2) - return SIGILL; - emu_store_regd(opcode[3] & 15); - emu_store_regd((opcode[3] & 15) + 2); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - break; - case 11: /* RRF format, cfdbr instruction */ - if ((opcode[2] & 128) == 128 || (opcode[2] & 96) == 32) - /* mask of { 2,3,8-15 } is invalid */ - return SIGILL; - emu_store_regd(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - break; - case 12: /* RRF format, cfebr instruction */ - if ((opcode[2] & 128) == 128 || (opcode[2] & 96) == 32) - /* mask of { 2,3,8-15 } is invalid */ - return SIGILL; - emu_store_rege(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15, opcode[2] >> 4); - break; - case 13: /* RRE format, ldxbr & mdxbr instruction */ - /* double store but long double load */ - if (opcode[3] & 0x20) - return SIGILL; - emu_store_regd((opcode[3] >> 4) & 15); - emu_store_regd(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(((opcode[3] >> 4) & 15) + 2); - break; - case 14: /* RRE format, ldxbr & mdxbr instruction */ - /* float store but long double load */ - if (opcode[3] & 0x20) - return SIGILL; - emu_store_rege((opcode[3] >> 4) & 15); - emu_store_rege(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - emu_load_regd(((opcode[3] >> 4) & 15) + 2); - break; - case 15: /* RRE format, ldebr & mdebr instruction */ - /* float store but double load */ - emu_store_rege((opcode[3] >> 4) & 15); - emu_store_rege(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - break; - case 16: /* RRE format, ldxbr instruction */ - /* long double store but double load */ - if (opcode[3] & 2) - return SIGILL; - emu_store_regd(opcode[3] & 15); - emu_store_regd((opcode[3] & 15) + 2); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_regd((opcode[3] >> 4) & 15); - break; - case 17: /* RRE format, ldxbr instruction */ - /* long double store but float load */ - if (opcode[3] & 2) - return SIGILL; - emu_store_regd(opcode[3] & 15); - emu_store_regd((opcode[3] & 15) + 2); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_rege((opcode[3] >> 4) & 15); - break; - case 18: /* RRE format, ledbr instruction */ - /* double store but float load */ - emu_store_regd(opcode[3] & 15); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - emu_load_rege((opcode[3] >> 4) & 15); - break; - case 19: /* RRE format, efpc & sfpc instruction */ - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, int)) - jump_table[opcode[1]]) - (regs, opcode[3] >> 4, opcode[3] & 15); - break; - default: /* invalid operation */ - return SIGILL; - } - if (_fex != 0) { - current->thread.fp_regs.fpc |= _fex; - if (current->thread.fp_regs.fpc & (_fex << 8)) - return SIGFPE; - } - return 0; -} - -static void* calc_addr(struct pt_regs *regs, int rx, int rb, int disp) -{ - addr_t addr; - - rx &= 15; - rb &= 15; - addr = disp & 0xfff; - addr += (rx != 0) ? regs->gprs[rx] : 0; /* + index */ - addr += (rb != 0) ? regs->gprs[rb] : 0; /* + base */ - return (void*) addr; -} - -int math_emu_ed(__u8 *opcode, struct pt_regs * regs) { - int _fex = 0; - - static const __u8 format_table[256] = { - [0x04] = 0x06,[0x05] = 0x05,[0x06] = 0x07,[0x07] = 0x05, - [0x08] = 0x02,[0x09] = 0x02,[0x0a] = 0x02,[0x0b] = 0x02, - [0x0c] = 0x06,[0x0d] = 0x02,[0x0e] = 0x04,[0x0f] = 0x04, - [0x10] = 0x08,[0x11] = 0x09,[0x12] = 0x0a,[0x14] = 0x02, - [0x15] = 0x01,[0x17] = 0x02,[0x18] = 0x01,[0x19] = 0x01, - [0x1a] = 0x01,[0x1b] = 0x01,[0x1c] = 0x01,[0x1d] = 0x01, - [0x1e] = 0x03,[0x1f] = 0x03, - }; - static const void *jump_table[]= { - [0x04] = emu_ldeb,[0x05] = emu_lxdb,[0x06] = emu_lxeb, - [0x07] = emu_mxdb,[0x08] = emu_keb, [0x09] = emu_ceb, - [0x0a] = emu_aeb, [0x0b] = emu_seb, [0x0c] = emu_mdeb, - [0x0d] = emu_deb, [0x0e] = emu_maeb,[0x0f] = emu_mseb, - [0x10] = emu_tceb,[0x11] = emu_tcdb,[0x12] = emu_tcxb, - [0x14] = emu_sqeb,[0x15] = emu_sqdb,[0x17] = emu_meeb, - [0x18] = emu_kdb, [0x19] = emu_cdb, [0x1a] = emu_adb, - [0x1b] = emu_sdb, [0x1c] = emu_mdb, [0x1d] = emu_ddb, - [0x1e] = emu_madb,[0x1f] = emu_msdb - }; - - switch (format_table[opcode[5]]) { - case 1: /* RXE format, double constant */ { - __u64 *dxb, temp; - __u32 opc; - - emu_store_regd((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u64 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_copy_from_user(&temp, dxb, 8); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, double *)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (double *) &temp); - emu_load_regd((opcode[1] >> 4) & 15); - break; - } - case 2: /* RXE format, float constant */ { - __u32 *dxb, temp; - __u32 opc; - - emu_store_rege((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_get_user(temp, dxb); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, float *)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (float *) &temp); - emu_load_rege((opcode[1] >> 4) & 15); - break; - } - case 3: /* RXF format, double constant */ { - __u64 *dxb, temp; - __u32 opc; - - emu_store_regd((opcode[1] >> 4) & 15); - emu_store_regd((opcode[4] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u64 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_copy_from_user(&temp, dxb, 8); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, double *, int)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (double *) &temp, opcode[4] >> 4); - emu_load_regd((opcode[1] >> 4) & 15); - break; - } - case 4: /* RXF format, float constant */ { - __u32 *dxb, temp; - __u32 opc; - - emu_store_rege((opcode[1] >> 4) & 15); - emu_store_rege((opcode[4] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_get_user(temp, dxb); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, float *, int)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (float *) &temp, opcode[4] >> 4); - emu_load_rege((opcode[4] >> 4) & 15); - break; - } - case 5: /* RXE format, double constant */ - /* store double and load long double */ - { - __u64 *dxb, temp; - __u32 opc; - if ((opcode[1] >> 4) & 0x20) - return SIGILL; - emu_store_regd((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u64 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_copy_from_user(&temp, dxb, 8); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, double *)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (double *) &temp); - emu_load_regd((opcode[1] >> 4) & 15); - emu_load_regd(((opcode[1] >> 4) & 15) + 2); - break; - } - case 6: /* RXE format, float constant */ - /* store float and load double */ - { - __u32 *dxb, temp; - __u32 opc; - emu_store_rege((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_get_user(temp, dxb); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, float *)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (float *) &temp); - emu_load_regd((opcode[1] >> 4) & 15); - break; - } - case 7: /* RXE format, float constant */ - /* store float and load long double */ - { - __u32 *dxb, temp; - __u32 opc; - if ((opcode[1] >> 4) & 0x20) - return SIGILL; - emu_store_rege((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_get_user(temp, dxb); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, float *)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, (float *) &temp); - emu_load_regd((opcode[1] >> 4) & 15); - emu_load_regd(((opcode[1] >> 4) & 15) + 2); - break; - } - case 8: /* RXE format, RX address used as int value */ { - __u64 dxb; - __u32 opc; - - emu_store_rege((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u64) calc_addr(regs, opc >> 16, opc >> 12, opc); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, long)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, dxb); - break; - } - case 9: /* RXE format, RX address used as int value */ { - __u64 dxb; - __u32 opc; - - emu_store_regd((opcode[1] >> 4) & 15); - opc = *((__u32 *) opcode); - dxb = (__u64) calc_addr(regs, opc >> 16, opc >> 12, opc); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, long)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, dxb); - break; - } - case 10: /* RXE format, RX address used as int value */ { - __u64 dxb; - __u32 opc; - - if ((opcode[1] >> 4) & 2) - return SIGILL; - emu_store_regd((opcode[1] >> 4) & 15); - emu_store_regd(((opcode[1] >> 4) & 15) + 2); - opc = *((__u32 *) opcode); - dxb = (__u64) calc_addr(regs, opc >> 16, opc >> 12, opc); - /* call the emulation function */ - _fex = ((int (*)(struct pt_regs *, int, long)) - jump_table[opcode[5]]) - (regs, opcode[1] >> 4, dxb); - break; - } - default: /* invalid operation */ - return SIGILL; - } - if (_fex != 0) { - current->thread.fp_regs.fpc |= _fex; - if (current->thread.fp_regs.fpc & (_fex << 8)) - return SIGFPE; - } - return 0; -} - -/* - * Emulate LDR Rx,Ry with Rx or Ry not in {0, 2, 4, 6} - */ -int math_emu_ldr(__u8 *opcode) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u16 opc = *((__u16 *) opcode); - - if ((opc & 0x90) == 0) { /* test if rx in {0,2,4,6} */ - /* we got an exception therefore ry can't be in {0,2,4,6} */ - asm volatile( /* load rx from fp_regs.fprs[ry] */ - " bras 1,0f\n" - " ld 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (opc & 0xf0), "a" (&fp_regs->fprs[opc & 0xf].d) - : "1"); - } else if ((opc & 0x9) == 0) { /* test if ry in {0,2,4,6} */ - asm volatile ( /* store ry to fp_regs.fprs[rx] */ - " bras 1,0f\n" - " std 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" ((opc & 0xf) << 4), - "a" (&fp_regs->fprs[(opc & 0xf0)>>4].d) - : "1"); - } else /* move fp_regs.fprs[ry] to fp_regs.fprs[rx] */ - fp_regs->fprs[(opc & 0xf0) >> 4] = fp_regs->fprs[opc & 0xf]; - return 0; -} - -/* - * Emulate LER Rx,Ry with Rx or Ry not in {0, 2, 4, 6} - */ -int math_emu_ler(__u8 *opcode) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u16 opc = *((__u16 *) opcode); - - if ((opc & 0x90) == 0) { /* test if rx in {0,2,4,6} */ - /* we got an exception therefore ry can't be in {0,2,4,6} */ - asm volatile( /* load rx from fp_regs.fprs[ry] */ - " bras 1,0f\n" - " le 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" (opc & 0xf0), "a" (&fp_regs->fprs[opc & 0xf].f) - : "1"); - } else if ((opc & 0x9) == 0) { /* test if ry in {0,2,4,6} */ - asm volatile( /* store ry to fp_regs.fprs[rx] */ - " bras 1,0f\n" - " ste 0,0(%1)\n" - "0: ex %0,0(1)" - : /* no output */ - : "a" ((opc & 0xf) << 4), - "a" (&fp_regs->fprs[(opc & 0xf0) >> 4].f) - : "1"); - } else /* move fp_regs.fprs[ry] to fp_regs.fprs[rx] */ - fp_regs->fprs[(opc & 0xf0) >> 4] = fp_regs->fprs[opc & 0xf]; - return 0; -} - -/* - * Emulate LD R,D(X,B) with R not in {0, 2, 4, 6} - */ -int math_emu_ld(__u8 *opcode, struct pt_regs * regs) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u32 opc = *((__u32 *) opcode); - __u64 *dxb; - - dxb = (__u64 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_copy_from_user(&fp_regs->fprs[(opc >> 20) & 0xf].d, dxb, 8); - return 0; -} - -/* - * Emulate LE R,D(X,B) with R not in {0, 2, 4, 6} - */ -int math_emu_le(__u8 *opcode, struct pt_regs * regs) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u32 opc = *((__u32 *) opcode); - __u32 *mem, *dxb; - - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mem = (__u32 *) (&fp_regs->fprs[(opc >> 20) & 0xf].f); - mathemu_get_user(mem[0], dxb); - return 0; -} - -/* - * Emulate STD R,D(X,B) with R not in {0, 2, 4, 6} - */ -int math_emu_std(__u8 *opcode, struct pt_regs * regs) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u32 opc = *((__u32 *) opcode); - __u64 *dxb; - - dxb = (__u64 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mathemu_copy_to_user(dxb, &fp_regs->fprs[(opc >> 20) & 0xf].d, 8); - return 0; -} - -/* - * Emulate STE R,D(X,B) with R not in {0, 2, 4, 6} - */ -int math_emu_ste(__u8 *opcode, struct pt_regs * regs) { - s390_fp_regs *fp_regs = ¤t->thread.fp_regs; - __u32 opc = *((__u32 *) opcode); - __u32 *mem, *dxb; - - dxb = (__u32 *) calc_addr(regs, opc >> 16, opc >> 12, opc); - mem = (__u32 *) (&fp_regs->fprs[(opc >> 20) & 0xf].f); - mathemu_put_user(mem[0], dxb); - return 0; -} - -/* - * Emulate LFPC D(B) - */ -int math_emu_lfpc(__u8 *opcode, struct pt_regs *regs) { - __u32 opc = *((__u32 *) opcode); - __u32 *dxb, temp; - - dxb= (__u32 *) calc_addr(regs, 0, opc>>12, opc); - mathemu_get_user(temp, dxb); - if ((temp & ~FPC_VALID_MASK) != 0) - return SIGILL; - current->thread.fp_regs.fpc = temp; - return 0; -} - -/* - * Emulate STFPC D(B) - */ -int math_emu_stfpc(__u8 *opcode, struct pt_regs *regs) { - __u32 opc = *((__u32 *) opcode); - __u32 *dxb; - - dxb= (__u32 *) calc_addr(regs, 0, opc>>12, opc); - mathemu_put_user(current->thread.fp_regs.fpc, dxb); - return 0; -} - -/* - * Emulate SRNM D(B) - */ -int math_emu_srnm(__u8 *opcode, struct pt_regs *regs) { - __u32 opc = *((__u32 *) opcode); - __u32 temp; - - temp = calc_addr(regs, 0, opc>>12, opc); - current->thread.fp_regs.fpc &= ~3; - current->thread.fp_regs.fpc |= (temp & 3); - return 0; -} - -/* broken compiler ... */ -long long -__negdi2 (long long u) -{ - - union lll { - long long ll; - long s[2]; - }; - - union lll w,uu; - - uu.ll = u; - - w.s[1] = -uu.s[1]; - w.s[0] = -uu.s[0] - ((int) w.s[1] != 0); - - return w.ll; -} diff --git a/ANDROID_3.4.5/arch/s390/mm/Makefile b/ANDROID_3.4.5/arch/s390/mm/Makefile deleted file mode 100644 index d98fe900..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Makefile for the linux s390-specific parts of the memory manager. -# - -obj-y := init.o fault.o extmem.o mmap.o vmem.o pgtable.o maccess.o \ - page-states.o gup.o -obj-$(CONFIG_CMM) += cmm.o -obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o -obj-$(CONFIG_DEBUG_SET_MODULE_RONX) += pageattr.o diff --git a/ANDROID_3.4.5/arch/s390/mm/cmm.c b/ANDROID_3.4.5/arch/s390/mm/cmm.c deleted file mode 100644 index 1f1dba9d..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/cmm.c +++ /dev/null @@ -1,497 +0,0 @@ -/* - * Collaborative memory management interface. - * - * Copyright IBM Corp 2003,2010 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>, - * - */ - -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/gfp.h> -#include <linux/sched.h> -#include <linux/sysctl.h> -#include <linux/ctype.h> -#include <linux/swap.h> -#include <linux/kthread.h> -#include <linux/oom.h> -#include <linux/suspend.h> -#include <linux/uaccess.h> - -#include <asm/pgalloc.h> -#include <asm/diag.h> - -#ifdef CONFIG_CMM_IUCV -static char *cmm_default_sender = "VMRMSVM"; -#endif -static char *sender; -module_param(sender, charp, 0400); -MODULE_PARM_DESC(sender, - "Guest name that may send SMSG messages (default VMRMSVM)"); - -#include "../../../drivers/s390/net/smsgiucv.h" - -#define CMM_NR_PAGES ((PAGE_SIZE / sizeof(unsigned long)) - 2) - -struct cmm_page_array { - struct cmm_page_array *next; - unsigned long index; - unsigned long pages[CMM_NR_PAGES]; -}; - -static long cmm_pages; -static long cmm_timed_pages; -static volatile long cmm_pages_target; -static volatile long cmm_timed_pages_target; -static long cmm_timeout_pages; -static long cmm_timeout_seconds; -static int cmm_suspended; - -static struct cmm_page_array *cmm_page_list; -static struct cmm_page_array *cmm_timed_page_list; -static DEFINE_SPINLOCK(cmm_lock); - -static struct task_struct *cmm_thread_ptr; -static DECLARE_WAIT_QUEUE_HEAD(cmm_thread_wait); -static DEFINE_TIMER(cmm_timer, NULL, 0, 0); - -static void cmm_timer_fn(unsigned long); -static void cmm_set_timer(void); - -static long cmm_alloc_pages(long nr, long *counter, - struct cmm_page_array **list) -{ - struct cmm_page_array *pa, *npa; - unsigned long addr; - - while (nr) { - addr = __get_free_page(GFP_NOIO); - if (!addr) - break; - spin_lock(&cmm_lock); - pa = *list; - if (!pa || pa->index >= CMM_NR_PAGES) { - /* Need a new page for the page list. */ - spin_unlock(&cmm_lock); - npa = (struct cmm_page_array *) - __get_free_page(GFP_NOIO); - if (!npa) { - free_page(addr); - break; - } - spin_lock(&cmm_lock); - pa = *list; - if (!pa || pa->index >= CMM_NR_PAGES) { - npa->next = pa; - npa->index = 0; - pa = npa; - *list = pa; - } else - free_page((unsigned long) npa); - } - diag10_range(addr >> PAGE_SHIFT, 1); - pa->pages[pa->index++] = addr; - (*counter)++; - spin_unlock(&cmm_lock); - nr--; - } - return nr; -} - -static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) -{ - struct cmm_page_array *pa; - unsigned long addr; - - spin_lock(&cmm_lock); - pa = *list; - while (nr) { - if (!pa || pa->index <= 0) - break; - addr = pa->pages[--pa->index]; - if (pa->index == 0) { - pa = pa->next; - free_page((unsigned long) *list); - *list = pa; - } - free_page(addr); - (*counter)--; - nr--; - } - spin_unlock(&cmm_lock); - return nr; -} - -static int cmm_oom_notify(struct notifier_block *self, - unsigned long dummy, void *parm) -{ - unsigned long *freed = parm; - long nr = 256; - - nr = cmm_free_pages(nr, &cmm_timed_pages, &cmm_timed_page_list); - if (nr > 0) - nr = cmm_free_pages(nr, &cmm_pages, &cmm_page_list); - cmm_pages_target = cmm_pages; - cmm_timed_pages_target = cmm_timed_pages; - *freed += 256 - nr; - return NOTIFY_OK; -} - -static struct notifier_block cmm_oom_nb = { - .notifier_call = cmm_oom_notify, -}; - -static int cmm_thread(void *dummy) -{ - int rc; - - while (1) { - rc = wait_event_interruptible(cmm_thread_wait, - (!cmm_suspended && (cmm_pages != cmm_pages_target || - cmm_timed_pages != cmm_timed_pages_target)) || - kthread_should_stop()); - if (kthread_should_stop() || rc == -ERESTARTSYS) { - cmm_pages_target = cmm_pages; - cmm_timed_pages_target = cmm_timed_pages; - break; - } - if (cmm_pages_target > cmm_pages) { - if (cmm_alloc_pages(1, &cmm_pages, &cmm_page_list)) - cmm_pages_target = cmm_pages; - } else if (cmm_pages_target < cmm_pages) { - cmm_free_pages(1, &cmm_pages, &cmm_page_list); - } - if (cmm_timed_pages_target > cmm_timed_pages) { - if (cmm_alloc_pages(1, &cmm_timed_pages, - &cmm_timed_page_list)) - cmm_timed_pages_target = cmm_timed_pages; - } else if (cmm_timed_pages_target < cmm_timed_pages) { - cmm_free_pages(1, &cmm_timed_pages, - &cmm_timed_page_list); - } - if (cmm_timed_pages > 0 && !timer_pending(&cmm_timer)) - cmm_set_timer(); - } - return 0; -} - -static void cmm_kick_thread(void) -{ - wake_up(&cmm_thread_wait); -} - -static void cmm_set_timer(void) -{ - if (cmm_timed_pages_target <= 0 || cmm_timeout_seconds <= 0) { - if (timer_pending(&cmm_timer)) - del_timer(&cmm_timer); - return; - } - if (timer_pending(&cmm_timer)) { - if (mod_timer(&cmm_timer, jiffies + cmm_timeout_seconds*HZ)) - return; - } - cmm_timer.function = cmm_timer_fn; - cmm_timer.data = 0; - cmm_timer.expires = jiffies + cmm_timeout_seconds*HZ; - add_timer(&cmm_timer); -} - -static void cmm_timer_fn(unsigned long ignored) -{ - long nr; - - nr = cmm_timed_pages_target - cmm_timeout_pages; - if (nr < 0) - cmm_timed_pages_target = 0; - else - cmm_timed_pages_target = nr; - cmm_kick_thread(); - cmm_set_timer(); -} - -static void cmm_set_pages(long nr) -{ - cmm_pages_target = nr; - cmm_kick_thread(); -} - -static long cmm_get_pages(void) -{ - return cmm_pages; -} - -static void cmm_add_timed_pages(long nr) -{ - cmm_timed_pages_target += nr; - cmm_kick_thread(); -} - -static long cmm_get_timed_pages(void) -{ - return cmm_timed_pages; -} - -static void cmm_set_timeout(long nr, long seconds) -{ - cmm_timeout_pages = nr; - cmm_timeout_seconds = seconds; - cmm_set_timer(); -} - -static int cmm_skip_blanks(char *cp, char **endp) -{ - char *str; - - for (str = cp; *str == ' ' || *str == '\t'; str++) - ; - *endp = str; - return str != cp; -} - -static struct ctl_table cmm_table[]; - -static int cmm_pages_handler(ctl_table *ctl, int write, void __user *buffer, - size_t *lenp, loff_t *ppos) -{ - char buf[16], *p; - long nr; - int len; - - if (!*lenp || (*ppos && !write)) { - *lenp = 0; - return 0; - } - - if (write) { - len = *lenp; - if (copy_from_user(buf, buffer, - len > sizeof(buf) ? sizeof(buf) : len)) - return -EFAULT; - buf[sizeof(buf) - 1] = '\0'; - cmm_skip_blanks(buf, &p); - nr = simple_strtoul(p, &p, 0); - if (ctl == &cmm_table[0]) - cmm_set_pages(nr); - else - cmm_add_timed_pages(nr); - } else { - if (ctl == &cmm_table[0]) - nr = cmm_get_pages(); - else - nr = cmm_get_timed_pages(); - len = sprintf(buf, "%ld\n", nr); - if (len > *lenp) - len = *lenp; - if (copy_to_user(buffer, buf, len)) - return -EFAULT; - } - *lenp = len; - *ppos += len; - return 0; -} - -static int cmm_timeout_handler(ctl_table *ctl, int write, void __user *buffer, - size_t *lenp, loff_t *ppos) -{ - char buf[64], *p; - long nr, seconds; - int len; - - if (!*lenp || (*ppos && !write)) { - *lenp = 0; - return 0; - } - - if (write) { - len = *lenp; - if (copy_from_user(buf, buffer, - len > sizeof(buf) ? sizeof(buf) : len)) - return -EFAULT; - buf[sizeof(buf) - 1] = '\0'; - cmm_skip_blanks(buf, &p); - nr = simple_strtoul(p, &p, 0); - cmm_skip_blanks(p, &p); - seconds = simple_strtoul(p, &p, 0); - cmm_set_timeout(nr, seconds); - } else { - len = sprintf(buf, "%ld %ld\n", - cmm_timeout_pages, cmm_timeout_seconds); - if (len > *lenp) - len = *lenp; - if (copy_to_user(buffer, buf, len)) - return -EFAULT; - } - *lenp = len; - *ppos += len; - return 0; -} - -static struct ctl_table cmm_table[] = { - { - .procname = "cmm_pages", - .mode = 0644, - .proc_handler = cmm_pages_handler, - }, - { - .procname = "cmm_timed_pages", - .mode = 0644, - .proc_handler = cmm_pages_handler, - }, - { - .procname = "cmm_timeout", - .mode = 0644, - .proc_handler = cmm_timeout_handler, - }, - { } -}; - -static struct ctl_table cmm_dir_table[] = { - { - .procname = "vm", - .maxlen = 0, - .mode = 0555, - .child = cmm_table, - }, - { } -}; - -#ifdef CONFIG_CMM_IUCV -#define SMSG_PREFIX "CMM" -static void cmm_smsg_target(const char *from, char *msg) -{ - long nr, seconds; - - if (strlen(sender) > 0 && strcmp(from, sender) != 0) - return; - if (!cmm_skip_blanks(msg + strlen(SMSG_PREFIX), &msg)) - return; - if (strncmp(msg, "SHRINK", 6) == 0) { - if (!cmm_skip_blanks(msg + 6, &msg)) - return; - nr = simple_strtoul(msg, &msg, 0); - cmm_skip_blanks(msg, &msg); - if (*msg == '\0') - cmm_set_pages(nr); - } else if (strncmp(msg, "RELEASE", 7) == 0) { - if (!cmm_skip_blanks(msg + 7, &msg)) - return; - nr = simple_strtoul(msg, &msg, 0); - cmm_skip_blanks(msg, &msg); - if (*msg == '\0') - cmm_add_timed_pages(nr); - } else if (strncmp(msg, "REUSE", 5) == 0) { - if (!cmm_skip_blanks(msg + 5, &msg)) - return; - nr = simple_strtoul(msg, &msg, 0); - if (!cmm_skip_blanks(msg, &msg)) - return; - seconds = simple_strtoul(msg, &msg, 0); - cmm_skip_blanks(msg, &msg); - if (*msg == '\0') - cmm_set_timeout(nr, seconds); - } -} -#endif - -static struct ctl_table_header *cmm_sysctl_header; - -static int cmm_suspend(void) -{ - cmm_suspended = 1; - cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list); - cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list); - return 0; -} - -static int cmm_resume(void) -{ - cmm_suspended = 0; - cmm_kick_thread(); - return 0; -} - -static int cmm_power_event(struct notifier_block *this, - unsigned long event, void *ptr) -{ - switch (event) { - case PM_POST_HIBERNATION: - return cmm_resume(); - case PM_HIBERNATION_PREPARE: - return cmm_suspend(); - default: - return NOTIFY_DONE; - } -} - -static struct notifier_block cmm_power_notifier = { - .notifier_call = cmm_power_event, -}; - -static int __init cmm_init(void) -{ - int rc = -ENOMEM; - - cmm_sysctl_header = register_sysctl_table(cmm_dir_table); - if (!cmm_sysctl_header) - goto out_sysctl; -#ifdef CONFIG_CMM_IUCV - /* convert sender to uppercase characters */ - if (sender) { - int len = strlen(sender); - while (len--) - sender[len] = toupper(sender[len]); - } else { - sender = cmm_default_sender; - } - - rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target); - if (rc < 0) - goto out_smsg; -#endif - rc = register_oom_notifier(&cmm_oom_nb); - if (rc < 0) - goto out_oom_notify; - rc = register_pm_notifier(&cmm_power_notifier); - if (rc) - goto out_pm; - cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread"); - rc = IS_ERR(cmm_thread_ptr) ? PTR_ERR(cmm_thread_ptr) : 0; - if (rc) - goto out_kthread; - return 0; - -out_kthread: - unregister_pm_notifier(&cmm_power_notifier); -out_pm: - unregister_oom_notifier(&cmm_oom_nb); -out_oom_notify: -#ifdef CONFIG_CMM_IUCV - smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target); -out_smsg: -#endif - unregister_sysctl_table(cmm_sysctl_header); -out_sysctl: - del_timer_sync(&cmm_timer); - return rc; -} -module_init(cmm_init); - -static void __exit cmm_exit(void) -{ - unregister_sysctl_table(cmm_sysctl_header); -#ifdef CONFIG_CMM_IUCV - smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target); -#endif - unregister_pm_notifier(&cmm_power_notifier); - unregister_oom_notifier(&cmm_oom_nb); - kthread_stop(cmm_thread_ptr); - del_timer_sync(&cmm_timer); - cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list); - cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list); -} -module_exit(cmm_exit); - -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/arch/s390/mm/extmem.c b/ANDROID_3.4.5/arch/s390/mm/extmem.c deleted file mode 100644 index 075ddada..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/extmem.c +++ /dev/null @@ -1,778 +0,0 @@ -/* - * File...........: arch/s390/mm/extmem.c - * Author(s)......: Carsten Otte <cotte@de.ibm.com> - * Rob M van der Heij <rvdheij@nl.ibm.com> - * Steven Shultz <shultzss@us.ibm.com> - * Bugreports.to..: <Linux390@de.ibm.com> - * (C) IBM Corporation 2002-2004 - */ - -#define KMSG_COMPONENT "extmem" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/spinlock.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/bootmem.h> -#include <linux/ctype.h> -#include <linux/ioport.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/ebcdic.h> -#include <asm/errno.h> -#include <asm/extmem.h> -#include <asm/cpcmd.h> -#include <asm/setup.h> - -#define DCSS_LOADSHR 0x00 -#define DCSS_LOADNSR 0x04 -#define DCSS_PURGESEG 0x08 -#define DCSS_FINDSEG 0x0c -#define DCSS_LOADNOLY 0x10 -#define DCSS_SEGEXT 0x18 -#define DCSS_LOADSHRX 0x20 -#define DCSS_LOADNSRX 0x24 -#define DCSS_FINDSEGX 0x2c -#define DCSS_SEGEXTX 0x38 -#define DCSS_FINDSEGA 0x0c - -struct qrange { - unsigned long start; /* last byte type */ - unsigned long end; /* last byte reserved */ -}; - -struct qout64 { - unsigned long segstart; - unsigned long segend; - int segcnt; - int segrcnt; - struct qrange range[6]; -}; - -#ifdef CONFIG_64BIT -struct qrange_old { - unsigned int start; /* last byte type */ - unsigned int end; /* last byte reserved */ -}; - -/* output area format for the Diag x'64' old subcode x'18' */ -struct qout64_old { - int segstart; - int segend; - int segcnt; - int segrcnt; - struct qrange_old range[6]; -}; -#endif - -struct qin64 { - char qopcode; - char rsrv1[3]; - char qrcode; - char rsrv2[3]; - char qname[8]; - unsigned int qoutptr; - short int qoutlen; -}; - -struct dcss_segment { - struct list_head list; - char dcss_name[8]; - char res_name[15]; - unsigned long start_addr; - unsigned long end; - atomic_t ref_count; - int do_nonshared; - unsigned int vm_segtype; - struct qrange range[6]; - int segcnt; - struct resource *res; -}; - -static DEFINE_MUTEX(dcss_lock); -static LIST_HEAD(dcss_list); -static char *segtype_string[] = { "SW", "EW", "SR", "ER", "SN", "EN", "SC", - "EW/EN-MIXED" }; -static int loadshr_scode, loadnsr_scode, findseg_scode; -static int segext_scode, purgeseg_scode; -static int scode_set; - -/* set correct Diag x'64' subcodes. */ -static int -dcss_set_subcodes(void) -{ -#ifdef CONFIG_64BIT - char *name = kmalloc(8 * sizeof(char), GFP_KERNEL | GFP_DMA); - unsigned long rx, ry; - int rc; - - if (name == NULL) - return -ENOMEM; - - rx = (unsigned long) name; - ry = DCSS_FINDSEGX; - - strcpy(name, "dummy"); - asm volatile( - " diag %0,%1,0x64\n" - "0: ipm %2\n" - " srl %2,28\n" - " j 2f\n" - "1: la %2,3\n" - "2:\n" - EX_TABLE(0b, 1b) - : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); - - kfree(name); - /* Diag x'64' new subcodes are supported, set to new subcodes */ - if (rc != 3) { - loadshr_scode = DCSS_LOADSHRX; - loadnsr_scode = DCSS_LOADNSRX; - purgeseg_scode = DCSS_PURGESEG; - findseg_scode = DCSS_FINDSEGX; - segext_scode = DCSS_SEGEXTX; - return 0; - } -#endif - /* Diag x'64' new subcodes are not supported, set to old subcodes */ - loadshr_scode = DCSS_LOADNOLY; - loadnsr_scode = DCSS_LOADNSR; - purgeseg_scode = DCSS_PURGESEG; - findseg_scode = DCSS_FINDSEG; - segext_scode = DCSS_SEGEXT; - return 0; -} - -/* - * Create the 8 bytes, ebcdic VM segment name from - * an ascii name. - */ -static void -dcss_mkname(char *name, char *dcss_name) -{ - int i; - - for (i = 0; i < 8; i++) { - if (name[i] == '\0') - break; - dcss_name[i] = toupper(name[i]); - }; - for (; i < 8; i++) - dcss_name[i] = ' '; - ASCEBC(dcss_name, 8); -} - - -/* - * search all segments in dcss_list, and return the one - * namend *name. If not found, return NULL. - */ -static struct dcss_segment * -segment_by_name (char *name) -{ - char dcss_name[9]; - struct list_head *l; - struct dcss_segment *tmp, *retval = NULL; - - BUG_ON(!mutex_is_locked(&dcss_lock)); - dcss_mkname (name, dcss_name); - list_for_each (l, &dcss_list) { - tmp = list_entry (l, struct dcss_segment, list); - if (memcmp(tmp->dcss_name, dcss_name, 8) == 0) { - retval = tmp; - break; - } - } - return retval; -} - - -/* - * Perform a function on a dcss segment. - */ -static inline int -dcss_diag(int *func, void *parameter, - unsigned long *ret1, unsigned long *ret2) -{ - unsigned long rx, ry; - int rc; - - if (scode_set == 0) { - rc = dcss_set_subcodes(); - if (rc < 0) - return rc; - scode_set = 1; - } - rx = (unsigned long) parameter; - ry = (unsigned long) *func; - -#ifdef CONFIG_64BIT - /* 64-bit Diag x'64' new subcode, keep in 64-bit addressing mode */ - if (*func > DCSS_SEGEXT) - asm volatile( - " diag %0,%1,0x64\n" - " ipm %2\n" - " srl %2,28\n" - : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); - /* 31-bit Diag x'64' old subcode, switch to 31-bit addressing mode */ - else - asm volatile( - " sam31\n" - " diag %0,%1,0x64\n" - " sam64\n" - " ipm %2\n" - " srl %2,28\n" - : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); -#else - asm volatile( - " diag %0,%1,0x64\n" - " ipm %2\n" - " srl %2,28\n" - : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); -#endif - *ret1 = rx; - *ret2 = ry; - return rc; -} - -static inline int -dcss_diag_translate_rc (int vm_rc) { - if (vm_rc == 44) - return -ENOENT; - return -EIO; -} - - -/* do a diag to get info about a segment. - * fills start_address, end and vm_segtype fields - */ -static int -query_segment_type (struct dcss_segment *seg) -{ - unsigned long dummy, vmrc; - int diag_cc, rc, i; - struct qout64 *qout; - struct qin64 *qin; - - qin = kmalloc(sizeof(*qin), GFP_KERNEL | GFP_DMA); - qout = kmalloc(sizeof(*qout), GFP_KERNEL | GFP_DMA); - if ((qin == NULL) || (qout == NULL)) { - rc = -ENOMEM; - goto out_free; - } - - /* initialize diag input parameters */ - qin->qopcode = DCSS_FINDSEGA; - qin->qoutptr = (unsigned long) qout; - qin->qoutlen = sizeof(struct qout64); - memcpy (qin->qname, seg->dcss_name, 8); - - diag_cc = dcss_diag(&segext_scode, qin, &dummy, &vmrc); - - if (diag_cc < 0) { - rc = diag_cc; - goto out_free; - } - if (diag_cc > 1) { - pr_warning("Querying a DCSS type failed with rc=%ld\n", vmrc); - rc = dcss_diag_translate_rc (vmrc); - goto out_free; - } - -#ifdef CONFIG_64BIT - /* Only old format of output area of Diagnose x'64' is supported, - copy data for the new format. */ - if (segext_scode == DCSS_SEGEXT) { - struct qout64_old *qout_old; - qout_old = kzalloc(sizeof(*qout_old), GFP_KERNEL | GFP_DMA); - if (qout_old == NULL) { - rc = -ENOMEM; - goto out_free; - } - memcpy(qout_old, qout, sizeof(struct qout64_old)); - qout->segstart = (unsigned long) qout_old->segstart; - qout->segend = (unsigned long) qout_old->segend; - qout->segcnt = qout_old->segcnt; - qout->segrcnt = qout_old->segrcnt; - - if (qout->segcnt > 6) - qout->segrcnt = 6; - for (i = 0; i < qout->segrcnt; i++) { - qout->range[i].start = - (unsigned long) qout_old->range[i].start; - qout->range[i].end = - (unsigned long) qout_old->range[i].end; - } - kfree(qout_old); - } -#endif - if (qout->segcnt > 6) { - rc = -EOPNOTSUPP; - goto out_free; - } - - if (qout->segcnt == 1) { - seg->vm_segtype = qout->range[0].start & 0xff; - } else { - /* multi-part segment. only one type supported here: - - all parts are contiguous - - all parts are either EW or EN type - - maximum 6 parts allowed */ - unsigned long start = qout->segstart >> PAGE_SHIFT; - for (i=0; i<qout->segcnt; i++) { - if (((qout->range[i].start & 0xff) != SEG_TYPE_EW) && - ((qout->range[i].start & 0xff) != SEG_TYPE_EN)) { - rc = -EOPNOTSUPP; - goto out_free; - } - if (start != qout->range[i].start >> PAGE_SHIFT) { - rc = -EOPNOTSUPP; - goto out_free; - } - start = (qout->range[i].end >> PAGE_SHIFT) + 1; - } - seg->vm_segtype = SEG_TYPE_EWEN; - } - - /* analyze diag output and update seg */ - seg->start_addr = qout->segstart; - seg->end = qout->segend; - - memcpy (seg->range, qout->range, 6*sizeof(struct qrange)); - seg->segcnt = qout->segcnt; - - rc = 0; - - out_free: - kfree(qin); - kfree(qout); - return rc; -} - -/* - * get info about a segment - * possible return values: - * -ENOSYS : we are not running on VM - * -EIO : could not perform query diagnose - * -ENOENT : no such segment - * -EOPNOTSUPP: multi-part segment cannot be used with linux - * -ENOMEM : out of memory - * 0 .. 6 : type of segment as defined in include/asm-s390/extmem.h - */ -int -segment_type (char* name) -{ - int rc; - struct dcss_segment seg; - - if (!MACHINE_IS_VM) - return -ENOSYS; - - dcss_mkname(name, seg.dcss_name); - rc = query_segment_type (&seg); - if (rc < 0) - return rc; - return seg.vm_segtype; -} - -/* - * check if segment collides with other segments that are currently loaded - * returns 1 if this is the case, 0 if no collision was found - */ -static int -segment_overlaps_others (struct dcss_segment *seg) -{ - struct list_head *l; - struct dcss_segment *tmp; - - BUG_ON(!mutex_is_locked(&dcss_lock)); - list_for_each(l, &dcss_list) { - tmp = list_entry(l, struct dcss_segment, list); - if ((tmp->start_addr >> 20) > (seg->end >> 20)) - continue; - if ((tmp->end >> 20) < (seg->start_addr >> 20)) - continue; - if (seg == tmp) - continue; - return 1; - } - return 0; -} - -/* - * real segment loading function, called from segment_load - */ -static int -__segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long *end) -{ - unsigned long start_addr, end_addr, dummy; - struct dcss_segment *seg; - int rc, diag_cc; - - start_addr = end_addr = 0; - seg = kmalloc(sizeof(*seg), GFP_KERNEL | GFP_DMA); - if (seg == NULL) { - rc = -ENOMEM; - goto out; - } - dcss_mkname (name, seg->dcss_name); - rc = query_segment_type (seg); - if (rc < 0) - goto out_free; - - if (loadshr_scode == DCSS_LOADSHRX) { - if (segment_overlaps_others(seg)) { - rc = -EBUSY; - goto out_free; - } - } - - rc = vmem_add_mapping(seg->start_addr, seg->end - seg->start_addr + 1); - - if (rc) - goto out_free; - - seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL); - if (seg->res == NULL) { - rc = -ENOMEM; - goto out_shared; - } - seg->res->flags = IORESOURCE_BUSY | IORESOURCE_MEM; - seg->res->start = seg->start_addr; - seg->res->end = seg->end; - memcpy(&seg->res_name, seg->dcss_name, 8); - EBCASC(seg->res_name, 8); - seg->res_name[8] = '\0'; - strncat(seg->res_name, " (DCSS)", 7); - seg->res->name = seg->res_name; - rc = seg->vm_segtype; - if (rc == SEG_TYPE_SC || - ((rc == SEG_TYPE_SR || rc == SEG_TYPE_ER) && !do_nonshared)) - seg->res->flags |= IORESOURCE_READONLY; - if (request_resource(&iomem_resource, seg->res)) { - rc = -EBUSY; - kfree(seg->res); - goto out_shared; - } - - if (do_nonshared) - diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name, - &start_addr, &end_addr); - else - diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name, - &start_addr, &end_addr); - if (diag_cc < 0) { - dcss_diag(&purgeseg_scode, seg->dcss_name, - &dummy, &dummy); - rc = diag_cc; - goto out_resource; - } - if (diag_cc > 1) { - pr_warning("Loading DCSS %s failed with rc=%ld\n", name, - end_addr); - rc = dcss_diag_translate_rc(end_addr); - dcss_diag(&purgeseg_scode, seg->dcss_name, - &dummy, &dummy); - goto out_resource; - } - seg->start_addr = start_addr; - seg->end = end_addr; - seg->do_nonshared = do_nonshared; - atomic_set(&seg->ref_count, 1); - list_add(&seg->list, &dcss_list); - *addr = seg->start_addr; - *end = seg->end; - if (do_nonshared) - pr_info("DCSS %s of range %p to %p and type %s loaded as " - "exclusive-writable\n", name, (void*) seg->start_addr, - (void*) seg->end, segtype_string[seg->vm_segtype]); - else { - pr_info("DCSS %s of range %p to %p and type %s loaded in " - "shared access mode\n", name, (void*) seg->start_addr, - (void*) seg->end, segtype_string[seg->vm_segtype]); - } - goto out; - out_resource: - release_resource(seg->res); - kfree(seg->res); - out_shared: - vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1); - out_free: - kfree(seg); - out: - return rc; -} - -/* - * this function loads a DCSS segment - * name : name of the DCSS - * do_nonshared : 0 indicates that the dcss should be shared with other linux images - * 1 indicates that the dcss should be exclusive for this linux image - * addr : will be filled with start address of the segment - * end : will be filled with end address of the segment - * return values: - * -ENOSYS : we are not running on VM - * -EIO : could not perform query or load diagnose - * -ENOENT : no such segment - * -EOPNOTSUPP: multi-part segment cannot be used with linux - * -ENOSPC : segment cannot be used (overlaps with storage) - * -EBUSY : segment can temporarily not be used (overlaps with dcss) - * -ERANGE : segment cannot be used (exceeds kernel mapping range) - * -EPERM : segment is currently loaded with incompatible permissions - * -ENOMEM : out of memory - * 0 .. 6 : type of segment as defined in include/asm-s390/extmem.h - */ -int -segment_load (char *name, int do_nonshared, unsigned long *addr, - unsigned long *end) -{ - struct dcss_segment *seg; - int rc; - - if (!MACHINE_IS_VM) - return -ENOSYS; - - mutex_lock(&dcss_lock); - seg = segment_by_name (name); - if (seg == NULL) - rc = __segment_load (name, do_nonshared, addr, end); - else { - if (do_nonshared == seg->do_nonshared) { - atomic_inc(&seg->ref_count); - *addr = seg->start_addr; - *end = seg->end; - rc = seg->vm_segtype; - } else { - *addr = *end = 0; - rc = -EPERM; - } - } - mutex_unlock(&dcss_lock); - return rc; -} - -/* - * this function modifies the shared state of a DCSS segment. note that - * name : name of the DCSS - * do_nonshared : 0 indicates that the dcss should be shared with other linux images - * 1 indicates that the dcss should be exclusive for this linux image - * return values: - * -EIO : could not perform load diagnose (segment gone!) - * -ENOENT : no such segment (segment gone!) - * -EAGAIN : segment is in use by other exploiters, try later - * -EINVAL : no segment with the given name is currently loaded - name invalid - * -EBUSY : segment can temporarily not be used (overlaps with dcss) - * 0 : operation succeeded - */ -int -segment_modify_shared (char *name, int do_nonshared) -{ - struct dcss_segment *seg; - unsigned long start_addr, end_addr, dummy; - int rc, diag_cc; - - start_addr = end_addr = 0; - mutex_lock(&dcss_lock); - seg = segment_by_name (name); - if (seg == NULL) { - rc = -EINVAL; - goto out_unlock; - } - if (do_nonshared == seg->do_nonshared) { - pr_info("DCSS %s is already in the requested access " - "mode\n", name); - rc = 0; - goto out_unlock; - } - if (atomic_read (&seg->ref_count) != 1) { - pr_warning("DCSS %s is in use and cannot be reloaded\n", - name); - rc = -EAGAIN; - goto out_unlock; - } - release_resource(seg->res); - if (do_nonshared) - seg->res->flags &= ~IORESOURCE_READONLY; - else - if (seg->vm_segtype == SEG_TYPE_SR || - seg->vm_segtype == SEG_TYPE_ER) - seg->res->flags |= IORESOURCE_READONLY; - - if (request_resource(&iomem_resource, seg->res)) { - pr_warning("DCSS %s overlaps with used memory resources " - "and cannot be reloaded\n", name); - rc = -EBUSY; - kfree(seg->res); - goto out_del_mem; - } - - dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); - if (do_nonshared) - diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name, - &start_addr, &end_addr); - else - diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name, - &start_addr, &end_addr); - if (diag_cc < 0) { - rc = diag_cc; - goto out_del_res; - } - if (diag_cc > 1) { - pr_warning("Reloading DCSS %s failed with rc=%ld\n", name, - end_addr); - rc = dcss_diag_translate_rc(end_addr); - goto out_del_res; - } - seg->start_addr = start_addr; - seg->end = end_addr; - seg->do_nonshared = do_nonshared; - rc = 0; - goto out_unlock; - out_del_res: - release_resource(seg->res); - kfree(seg->res); - out_del_mem: - vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1); - list_del(&seg->list); - dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); - kfree(seg); - out_unlock: - mutex_unlock(&dcss_lock); - return rc; -} - -/* - * Decrease the use count of a DCSS segment and remove - * it from the address space if nobody is using it - * any longer. - */ -void -segment_unload(char *name) -{ - unsigned long dummy; - struct dcss_segment *seg; - - if (!MACHINE_IS_VM) - return; - - mutex_lock(&dcss_lock); - seg = segment_by_name (name); - if (seg == NULL) { - pr_err("Unloading unknown DCSS %s failed\n", name); - goto out_unlock; - } - if (atomic_dec_return(&seg->ref_count) != 0) - goto out_unlock; - release_resource(seg->res); - kfree(seg->res); - vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1); - list_del(&seg->list); - dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); - kfree(seg); -out_unlock: - mutex_unlock(&dcss_lock); -} - -/* - * save segment content permanently - */ -void -segment_save(char *name) -{ - struct dcss_segment *seg; - char cmd1[160]; - char cmd2[80]; - int i, response; - - if (!MACHINE_IS_VM) - return; - - mutex_lock(&dcss_lock); - seg = segment_by_name (name); - - if (seg == NULL) { - pr_err("Saving unknown DCSS %s failed\n", name); - goto out; - } - - sprintf(cmd1, "DEFSEG %s", name); - for (i=0; i<seg->segcnt; i++) { - sprintf(cmd1+strlen(cmd1), " %lX-%lX %s", - seg->range[i].start >> PAGE_SHIFT, - seg->range[i].end >> PAGE_SHIFT, - segtype_string[seg->range[i].start & 0xff]); - } - sprintf(cmd2, "SAVESEG %s", name); - response = 0; - cpcmd(cmd1, NULL, 0, &response); - if (response) { - pr_err("Saving a DCSS failed with DEFSEG response code " - "%i\n", response); - goto out; - } - cpcmd(cmd2, NULL, 0, &response); - if (response) { - pr_err("Saving a DCSS failed with SAVESEG response code " - "%i\n", response); - goto out; - } -out: - mutex_unlock(&dcss_lock); -} - -/* - * print appropriate error message for segment_load()/segment_type() - * return code - */ -void segment_warning(int rc, char *seg_name) -{ - switch (rc) { - case -ENOENT: - pr_err("DCSS %s cannot be loaded or queried\n", seg_name); - break; - case -ENOSYS: - pr_err("DCSS %s cannot be loaded or queried without " - "z/VM\n", seg_name); - break; - case -EIO: - pr_err("Loading or querying DCSS %s resulted in a " - "hardware error\n", seg_name); - break; - case -EOPNOTSUPP: - pr_err("DCSS %s has multiple page ranges and cannot be " - "loaded or queried\n", seg_name); - break; - case -ENOSPC: - pr_err("DCSS %s overlaps with used storage and cannot " - "be loaded\n", seg_name); - break; - case -EBUSY: - pr_err("%s needs used memory resources and cannot be " - "loaded or queried\n", seg_name); - break; - case -EPERM: - pr_err("DCSS %s is already loaded in a different access " - "mode\n", seg_name); - break; - case -ENOMEM: - pr_err("There is not enough memory to load or query " - "DCSS %s\n", seg_name); - break; - case -ERANGE: - pr_err("DCSS %s exceeds the kernel mapping range (%lu) " - "and cannot be loaded\n", seg_name, VMEM_MAX_PHYS); - break; - default: - break; - } -} - -EXPORT_SYMBOL(segment_load); -EXPORT_SYMBOL(segment_unload); -EXPORT_SYMBOL(segment_save); -EXPORT_SYMBOL(segment_type); -EXPORT_SYMBOL(segment_modify_shared); -EXPORT_SYMBOL(segment_warning); diff --git a/ANDROID_3.4.5/arch/s390/mm/fault.c b/ANDROID_3.4.5/arch/s390/mm/fault.c deleted file mode 100644 index 4e668600..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/fault.c +++ /dev/null @@ -1,664 +0,0 @@ -/* - * arch/s390/mm/fault.c - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - * Ulrich Weigand (uweigand@de.ibm.com) - * - * Derived from "arch/i386/mm/fault.c" - * Copyright (C) 1995 Linus Torvalds - */ - -#include <linux/kernel_stat.h> -#include <linux/perf_event.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/compat.h> -#include <linux/smp.h> -#include <linux/kdebug.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/module.h> -#include <linux/hardirq.h> -#include <linux/kprobes.h> -#include <linux/uaccess.h> -#include <linux/hugetlb.h> -#include <asm/asm-offsets.h> -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/mmu_context.h> -#include <asm/facility.h> -#include "../kernel/entry.h" - -#ifndef CONFIG_64BIT -#define __FAIL_ADDR_MASK 0x7ffff000 -#define __SUBCODE_MASK 0x0200 -#define __PF_RES_FIELD 0ULL -#else /* CONFIG_64BIT */ -#define __FAIL_ADDR_MASK -4096L -#define __SUBCODE_MASK 0x0600 -#define __PF_RES_FIELD 0x8000000000000000ULL -#endif /* CONFIG_64BIT */ - -#define VM_FAULT_BADCONTEXT 0x010000 -#define VM_FAULT_BADMAP 0x020000 -#define VM_FAULT_BADACCESS 0x040000 - -static unsigned long store_indication; - -void fault_init(void) -{ - if (test_facility(2) && test_facility(75)) - store_indication = 0xc00; -} - -static inline int notify_page_fault(struct pt_regs *regs) -{ - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ - if (kprobes_built_in() && !user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, 14)) - ret = 1; - preempt_enable(); - } - return ret; -} - - -/* - * Unlock any spinlocks which will prevent us from getting the - * message out. - */ -void bust_spinlocks(int yes) -{ - if (yes) { - oops_in_progress = 1; - } else { - int loglevel_save = console_loglevel; - console_unblank(); - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; - printk(" "); - console_loglevel = loglevel_save; - } -} - -/* - * Returns the address space associated with the fault. - * Returns 0 for kernel space and 1 for user space. - */ -static inline int user_space_fault(unsigned long trans_exc_code) -{ - /* - * The lowest two bits of the translation exception - * identification indicate which paging table was used. - */ - trans_exc_code &= 3; - if (trans_exc_code == 2) - /* Access via secondary space, set_fs setting decides */ - return current->thread.mm_segment.ar4; - if (user_mode == HOME_SPACE_MODE) - /* User space if the access has been done via home space. */ - return trans_exc_code == 3; - /* - * If the user space is not the home space the kernel runs in home - * space. Access via secondary space has already been covered, - * access via primary space or access register is from user space - * and access via home space is from the kernel. - */ - return trans_exc_code != 3; -} - -static inline void report_user_fault(struct pt_regs *regs, long signr) -{ - if ((task_pid_nr(current) > 1) && !show_unhandled_signals) - return; - if (!unhandled_signal(current, signr)) - return; - if (!printk_ratelimit()) - return; - printk(KERN_ALERT "User process fault: interruption code 0x%X ", - regs->int_code); - print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN); - printk(KERN_CONT "\n"); - printk(KERN_ALERT "failing address: %lX\n", - regs->int_parm_long & __FAIL_ADDR_MASK); - show_regs(regs); -} - -/* - * Send SIGSEGV to task. This is an external routine - * to keep the stack usage of do_page_fault small. - */ -static noinline void do_sigsegv(struct pt_regs *regs, int si_code) -{ - struct siginfo si; - - report_user_fault(regs, SIGSEGV); - si.si_signo = SIGSEGV; - si.si_code = si_code; - si.si_addr = (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK); - force_sig_info(SIGSEGV, &si, current); -} - -static noinline void do_no_context(struct pt_regs *regs) -{ - const struct exception_table_entry *fixup; - unsigned long address; - - /* Are we prepared to handle this kernel fault? */ - fixup = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN); - if (fixup) { - regs->psw.addr = fixup->fixup | PSW_ADDR_AMODE; - return; - } - - /* - * Oops. The kernel tried to access some bad page. We'll have to - * terminate things with extreme prejudice. - */ - address = regs->int_parm_long & __FAIL_ADDR_MASK; - if (!user_space_fault(regs->int_parm_long)) - printk(KERN_ALERT "Unable to handle kernel pointer dereference" - " at virtual kernel address %p\n", (void *)address); - else - printk(KERN_ALERT "Unable to handle kernel paging request" - " at virtual user address %p\n", (void *)address); - - die(regs, "Oops"); - do_exit(SIGKILL); -} - -static noinline void do_low_address(struct pt_regs *regs) -{ - /* Low-address protection hit in kernel mode means - NULL pointer write access in kernel mode. */ - if (regs->psw.mask & PSW_MASK_PSTATE) { - /* Low-address protection hit in user mode 'cannot happen'. */ - die (regs, "Low-address protection"); - do_exit(SIGKILL); - } - - do_no_context(regs); -} - -static noinline void do_sigbus(struct pt_regs *regs) -{ - struct task_struct *tsk = current; - struct siginfo si; - - /* - * Send a sigbus, regardless of whether we were in kernel - * or user mode. - */ - si.si_signo = SIGBUS; - si.si_errno = 0; - si.si_code = BUS_ADRERR; - si.si_addr = (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK); - force_sig_info(SIGBUS, &si, tsk); -} - -static noinline void do_fault_error(struct pt_regs *regs, int fault) -{ - int si_code; - - switch (fault) { - case VM_FAULT_BADACCESS: - case VM_FAULT_BADMAP: - /* Bad memory access. Check if it is kernel or user space. */ - if (regs->psw.mask & PSW_MASK_PSTATE) { - /* User mode accesses just cause a SIGSEGV */ - si_code = (fault == VM_FAULT_BADMAP) ? - SEGV_MAPERR : SEGV_ACCERR; - do_sigsegv(regs, si_code); - return; - } - case VM_FAULT_BADCONTEXT: - do_no_context(regs); - break; - default: /* fault & VM_FAULT_ERROR */ - if (fault & VM_FAULT_OOM) { - if (!(regs->psw.mask & PSW_MASK_PSTATE)) - do_no_context(regs); - else - pagefault_out_of_memory(); - } else if (fault & VM_FAULT_SIGBUS) { - /* Kernel mode? Handle exceptions or die */ - if (!(regs->psw.mask & PSW_MASK_PSTATE)) - do_no_context(regs); - else - do_sigbus(regs); - } else - BUG(); - break; - } -} - -/* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate - * routines. - * - * interruption code (int_code): - * 04 Protection -> Write-Protection (suprression) - * 10 Segment translation -> Not present (nullification) - * 11 Page translation -> Not present (nullification) - * 3b Region third trans. -> Not present (nullification) - */ -static inline int do_exception(struct pt_regs *regs, int access) -{ - struct task_struct *tsk; - struct mm_struct *mm; - struct vm_area_struct *vma; - unsigned long trans_exc_code; - unsigned long address; - unsigned int flags; - int fault; - - if (notify_page_fault(regs)) - return 0; - - tsk = current; - mm = tsk->mm; - trans_exc_code = regs->int_parm_long; - - /* - * Verify that the fault happened in user space, that - * we are not in an interrupt and that there is a - * user context. - */ - fault = VM_FAULT_BADCONTEXT; - if (unlikely(!user_space_fault(trans_exc_code) || in_atomic() || !mm)) - goto out; - - address = trans_exc_code & __FAIL_ADDR_MASK; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - flags = FAULT_FLAG_ALLOW_RETRY; - if (access == VM_WRITE || (trans_exc_code & store_indication) == 0x400) - flags |= FAULT_FLAG_WRITE; - down_read(&mm->mmap_sem); - -#ifdef CONFIG_PGSTE - if (test_tsk_thread_flag(current, TIF_SIE) && S390_lowcore.gmap) { - address = __gmap_fault(address, - (struct gmap *) S390_lowcore.gmap); - if (address == -EFAULT) { - fault = VM_FAULT_BADMAP; - goto out_up; - } - if (address == -ENOMEM) { - fault = VM_FAULT_OOM; - goto out_up; - } - } -#endif - -retry: - fault = VM_FAULT_BADMAP; - vma = find_vma(mm, address); - if (!vma) - goto out_up; - - if (unlikely(vma->vm_start > address)) { - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto out_up; - if (expand_stack(vma, address)) - goto out_up; - } - - /* - * Ok, we have a good vm_area for this memory access, so - * we can handle it.. - */ - fault = VM_FAULT_BADACCESS; - if (unlikely(!(vma->vm_flags & access))) - goto out_up; - - if (is_vm_hugetlb_page(vma)) - address &= HPAGE_MASK; - /* - * If for any reason at all we couldn't handle the fault, - * make sure we exit gracefully rather than endlessly redo - * the fault. - */ - fault = handle_mm_fault(mm, vma, address, flags); - if (unlikely(fault & VM_FAULT_ERROR)) - goto out_up; - - /* - * Major/minor page fault accounting is only done on the - * initial attempt. If we go through a retry, it is extremely - * likely that the page will be found in page cache at that point. - */ - if (flags & FAULT_FLAG_ALLOW_RETRY) { - if (fault & VM_FAULT_MAJOR) { - tsk->maj_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, - regs, address); - } else { - tsk->min_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, - regs, address); - } - if (fault & VM_FAULT_RETRY) { - /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk - * of starvation. */ - flags &= ~FAULT_FLAG_ALLOW_RETRY; - down_read(&mm->mmap_sem); - goto retry; - } - } - /* - * The instruction that caused the program check will - * be repeated. Don't signal single step via SIGTRAP. - */ - clear_tsk_thread_flag(tsk, TIF_PER_TRAP); - fault = 0; -out_up: - up_read(&mm->mmap_sem); -out: - return fault; -} - -void __kprobes do_protection_exception(struct pt_regs *regs) -{ - unsigned long trans_exc_code; - int fault; - - trans_exc_code = regs->int_parm_long; - /* Protection exception is suppressing, decrement psw address. */ - regs->psw.addr = __rewind_psw(regs->psw, regs->int_code >> 16); - /* - * Check for low-address protection. This needs to be treated - * as a special case because the translation exception code - * field is not guaranteed to contain valid data in this case. - */ - if (unlikely(!(trans_exc_code & 4))) { - do_low_address(regs); - return; - } - fault = do_exception(regs, VM_WRITE); - if (unlikely(fault)) - do_fault_error(regs, fault); -} - -void __kprobes do_dat_exception(struct pt_regs *regs) -{ - int access, fault; - - access = VM_READ | VM_EXEC | VM_WRITE; - fault = do_exception(regs, access); - if (unlikely(fault)) - do_fault_error(regs, fault); -} - -#ifdef CONFIG_64BIT -void __kprobes do_asce_exception(struct pt_regs *regs) -{ - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long trans_exc_code; - - trans_exc_code = regs->int_parm_long; - if (unlikely(!user_space_fault(trans_exc_code) || in_atomic() || !mm)) - goto no_context; - - down_read(&mm->mmap_sem); - vma = find_vma(mm, trans_exc_code & __FAIL_ADDR_MASK); - up_read(&mm->mmap_sem); - - if (vma) { - update_mm(mm, current); - return; - } - - /* User mode accesses just cause a SIGSEGV */ - if (regs->psw.mask & PSW_MASK_PSTATE) { - do_sigsegv(regs, SEGV_MAPERR); - return; - } - -no_context: - do_no_context(regs); -} -#endif - -int __handle_fault(unsigned long uaddr, unsigned long pgm_int_code, int write) -{ - struct pt_regs regs; - int access, fault; - - regs.psw.mask = psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK; - if (!irqs_disabled()) - regs.psw.mask |= PSW_MASK_IO | PSW_MASK_EXT; - regs.psw.addr = (unsigned long) __builtin_return_address(0); - regs.psw.addr |= PSW_ADDR_AMODE; - regs.int_code = pgm_int_code; - regs.int_parm_long = (uaddr & PAGE_MASK) | 2; - access = write ? VM_WRITE : VM_READ; - fault = do_exception(®s, access); - if (unlikely(fault)) { - if (fault & VM_FAULT_OOM) - return -EFAULT; - else if (fault & VM_FAULT_SIGBUS) - do_sigbus(®s); - } - return fault ? -EFAULT : 0; -} - -#ifdef CONFIG_PFAULT -/* - * 'pfault' pseudo page faults routines. - */ -static int pfault_disable; - -static int __init nopfault(char *str) -{ - pfault_disable = 1; - return 1; -} - -__setup("nopfault", nopfault); - -struct pfault_refbk { - u16 refdiagc; - u16 reffcode; - u16 refdwlen; - u16 refversn; - u64 refgaddr; - u64 refselmk; - u64 refcmpmk; - u64 reserved; -} __attribute__ ((packed, aligned(8))); - -int pfault_init(void) -{ - struct pfault_refbk refbk = { - .refdiagc = 0x258, - .reffcode = 0, - .refdwlen = 5, - .refversn = 2, - .refgaddr = __LC_CURRENT_PID, - .refselmk = 1ULL << 48, - .refcmpmk = 1ULL << 48, - .reserved = __PF_RES_FIELD }; - int rc; - - if (pfault_disable) - return -1; - asm volatile( - " diag %1,%0,0x258\n" - "0: j 2f\n" - "1: la %0,8\n" - "2:\n" - EX_TABLE(0b,1b) - : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc"); - return rc; -} - -void pfault_fini(void) -{ - struct pfault_refbk refbk = { - .refdiagc = 0x258, - .reffcode = 1, - .refdwlen = 5, - .refversn = 2, - }; - - if (pfault_disable) - return; - asm volatile( - " diag %0,0,0x258\n" - "0:\n" - EX_TABLE(0b,0b) - : : "a" (&refbk), "m" (refbk) : "cc"); -} - -static DEFINE_SPINLOCK(pfault_lock); -static LIST_HEAD(pfault_list); - -static void pfault_interrupt(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct task_struct *tsk; - __u16 subcode; - pid_t pid; - - /* - * Get the external interruption subcode & pfault - * initial/completion signal bit. VM stores this - * in the 'cpu address' field associated with the - * external interrupt. - */ - subcode = ext_code.subcode; - if ((subcode & 0xff00) != __SUBCODE_MASK) - return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_PFL]++; - if (subcode & 0x0080) { - /* Get the token (= pid of the affected task). */ - pid = sizeof(void *) == 4 ? param32 : param64; - rcu_read_lock(); - tsk = find_task_by_pid_ns(pid, &init_pid_ns); - if (tsk) - get_task_struct(tsk); - rcu_read_unlock(); - if (!tsk) - return; - } else { - tsk = current; - } - spin_lock(&pfault_lock); - if (subcode & 0x0080) { - /* signal bit is set -> a page has been swapped in by VM */ - if (tsk->thread.pfault_wait == 1) { - /* Initial interrupt was faster than the completion - * interrupt. pfault_wait is valid. Set pfault_wait - * back to zero and wake up the process. This can - * safely be done because the task is still sleeping - * and can't produce new pfaults. */ - tsk->thread.pfault_wait = 0; - list_del(&tsk->thread.list); - wake_up_process(tsk); - put_task_struct(tsk); - } else { - /* Completion interrupt was faster than initial - * interrupt. Set pfault_wait to -1 so the initial - * interrupt doesn't put the task to sleep. - * If the task is not running, ignore the completion - * interrupt since it must be a leftover of a PFAULT - * CANCEL operation which didn't remove all pending - * completion interrupts. */ - if (tsk->state == TASK_RUNNING) - tsk->thread.pfault_wait = -1; - } - put_task_struct(tsk); - } else { - /* signal bit not set -> a real page is missing. */ - if (tsk->thread.pfault_wait == 1) { - /* Already on the list with a reference: put to sleep */ - set_task_state(tsk, TASK_UNINTERRUPTIBLE); - set_tsk_need_resched(tsk); - } else if (tsk->thread.pfault_wait == -1) { - /* Completion interrupt was faster than the initial - * interrupt (pfault_wait == -1). Set pfault_wait - * back to zero and exit. */ - tsk->thread.pfault_wait = 0; - } else { - /* Initial interrupt arrived before completion - * interrupt. Let the task sleep. - * An extra task reference is needed since a different - * cpu may set the task state to TASK_RUNNING again - * before the scheduler is reached. */ - get_task_struct(tsk); - tsk->thread.pfault_wait = 1; - list_add(&tsk->thread.list, &pfault_list); - set_task_state(tsk, TASK_UNINTERRUPTIBLE); - set_tsk_need_resched(tsk); - } - } - spin_unlock(&pfault_lock); -} - -static int __cpuinit pfault_cpu_notify(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - struct thread_struct *thread, *next; - struct task_struct *tsk; - - switch (action) { - case CPU_DEAD: - case CPU_DEAD_FROZEN: - spin_lock_irq(&pfault_lock); - list_for_each_entry_safe(thread, next, &pfault_list, list) { - thread->pfault_wait = 0; - list_del(&thread->list); - tsk = container_of(thread, struct task_struct, thread); - wake_up_process(tsk); - put_task_struct(tsk); - } - spin_unlock_irq(&pfault_lock); - break; - default: - break; - } - return NOTIFY_OK; -} - -static int __init pfault_irq_init(void) -{ - int rc; - - rc = register_external_interrupt(0x2603, pfault_interrupt); - if (rc) - goto out_extint; - rc = pfault_init() == 0 ? 0 : -EOPNOTSUPP; - if (rc) - goto out_pfault; - service_subclass_irq_register(); - hotcpu_notifier(pfault_cpu_notify, 0); - return 0; - -out_pfault: - unregister_external_interrupt(0x2603, pfault_interrupt); -out_extint: - pfault_disable = 1; - return rc; -} -early_initcall(pfault_irq_init); - -#endif /* CONFIG_PFAULT */ diff --git a/ANDROID_3.4.5/arch/s390/mm/gup.c b/ANDROID_3.4.5/arch/s390/mm/gup.c deleted file mode 100644 index 65cb06e2..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/gup.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * Lockless get_user_pages_fast for s390 - * - * Copyright IBM Corp. 2010 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/hugetlb.h> -#include <linux/vmstat.h> -#include <linux/pagemap.h> -#include <linux/rwsem.h> -#include <asm/pgtable.h> - -/* - * The performance critical leaf functions are made noinline otherwise gcc - * inlines everything into a single function which results in too much - * register pressure. - */ -static inline int gup_pte_range(pmd_t *pmdp, pmd_t pmd, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr) -{ - unsigned long mask; - pte_t *ptep, pte; - struct page *page; - - mask = (write ? _PAGE_RO : 0) | _PAGE_INVALID | _PAGE_SPECIAL; - - ptep = ((pte_t *) pmd_deref(pmd)) + pte_index(addr); - do { - pte = *ptep; - barrier(); - if ((pte_val(pte) & mask) != 0) - return 0; - VM_BUG_ON(!pfn_valid(pte_pfn(pte))); - page = pte_page(pte); - if (!page_cache_get_speculative(page)) - return 0; - if (unlikely(pte_val(pte) != pte_val(*ptep))) { - put_page(page); - return 0; - } - pages[*nr] = page; - (*nr)++; - - } while (ptep++, addr += PAGE_SIZE, addr != end); - - return 1; -} - -static inline int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr) -{ - unsigned long mask, result; - struct page *head, *page, *tail; - int refs; - - result = write ? 0 : _SEGMENT_ENTRY_RO; - mask = result | _SEGMENT_ENTRY_INV; - if ((pmd_val(pmd) & mask) != result) - return 0; - VM_BUG_ON(!pfn_valid(pmd_val(pmd) >> PAGE_SHIFT)); - - refs = 0; - head = pmd_page(pmd); - page = head + ((addr & ~PMD_MASK) >> PAGE_SHIFT); - tail = page; - do { - VM_BUG_ON(compound_head(page) != head); - pages[*nr] = page; - (*nr)++; - page++; - refs++; - } while (addr += PAGE_SIZE, addr != end); - - if (!page_cache_add_speculative(head, refs)) { - *nr -= refs; - return 0; - } - - if (unlikely(pmd_val(pmd) != pmd_val(*pmdp))) { - *nr -= refs; - while (refs--) - put_page(head); - return 0; - } - - /* - * Any tail page need their mapcount reference taken before we - * return. - */ - while (refs--) { - if (PageTail(tail)) - get_huge_page_tail(tail); - tail++; - } - - return 1; -} - - -static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr) -{ - unsigned long next; - pmd_t *pmdp, pmd; - - pmdp = (pmd_t *) pudp; -#ifdef CONFIG_64BIT - if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) - pmdp = (pmd_t *) pud_deref(pud); - pmdp += pmd_index(addr); -#endif - do { - pmd = *pmdp; - barrier(); - next = pmd_addr_end(addr, end); - if (pmd_none(pmd)) - return 0; - if (unlikely(pmd_huge(pmd))) { - if (!gup_huge_pmd(pmdp, pmd, addr, next, - write, pages, nr)) - return 0; - } else if (!gup_pte_range(pmdp, pmd, addr, next, - write, pages, nr)) - return 0; - } while (pmdp++, addr = next, addr != end); - - return 1; -} - -static inline int gup_pud_range(pgd_t *pgdp, pgd_t pgd, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr) -{ - unsigned long next; - pud_t *pudp, pud; - - pudp = (pud_t *) pgdp; -#ifdef CONFIG_64BIT - if ((pgd_val(pgd) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R2) - pudp = (pud_t *) pgd_deref(pgd); - pudp += pud_index(addr); -#endif - do { - pud = *pudp; - barrier(); - next = pud_addr_end(addr, end); - if (pud_none(pud)) - return 0; - if (!gup_pmd_range(pudp, pud, addr, next, write, pages, nr)) - return 0; - } while (pudp++, addr = next, addr != end); - - return 1; -} - -/** - * get_user_pages_fast() - pin user pages in memory - * @start: starting user address - * @nr_pages: number of pages from start to pin - * @write: whether pages will be written to - * @pages: array that receives pointers to the pages pinned. - * Should be at least nr_pages long. - * - * Attempt to pin user pages in memory without taking mm->mmap_sem. - * If not successful, it will fall back to taking the lock and - * calling get_user_pages(). - * - * Returns number of pages pinned. This may be fewer than the number - * requested. If nr_pages is 0 or negative, returns 0. If no pages - * were pinned, returns -errno. - */ -int get_user_pages_fast(unsigned long start, int nr_pages, int write, - struct page **pages) -{ - struct mm_struct *mm = current->mm; - unsigned long addr, len, end; - unsigned long next; - pgd_t *pgdp, pgd; - int nr = 0; - - start &= PAGE_MASK; - addr = start; - len = (unsigned long) nr_pages << PAGE_SHIFT; - end = start + len; - if (end < start) - goto slow_irqon; - - /* - * local_irq_disable() doesn't prevent pagetable teardown, but does - * prevent the pagetables from being freed on s390. - * - * So long as we atomically load page table pointers versus teardown, - * we can follow the address down to the the page and take a ref on it. - */ - local_irq_disable(); - pgdp = pgd_offset(mm, addr); - do { - pgd = *pgdp; - barrier(); - next = pgd_addr_end(addr, end); - if (pgd_none(pgd)) - goto slow; - if (!gup_pud_range(pgdp, pgd, addr, next, write, pages, &nr)) - goto slow; - } while (pgdp++, addr = next, addr != end); - local_irq_enable(); - - VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); - return nr; - - { - int ret; -slow: - local_irq_enable(); -slow_irqon: - /* Try to get the remaining pages with get_user_pages */ - start += nr << PAGE_SHIFT; - pages += nr; - - down_read(&mm->mmap_sem); - ret = get_user_pages(current, mm, start, - (end - start) >> PAGE_SHIFT, write, 0, pages, NULL); - up_read(&mm->mmap_sem); - - /* Have to be a bit careful with return values */ - if (nr > 0) { - if (ret < 0) - ret = nr; - else - ret += nr; - } - - return ret; - } -} diff --git a/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c b/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c deleted file mode 100644 index 597bb2d2..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * IBM System z Huge TLB Page Support for Kernel. - * - * Copyright 2007 IBM Corp. - * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <linux/mm.h> -#include <linux/hugetlb.h> - - -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *pteptr, pte_t pteval) -{ - pmd_t *pmdp = (pmd_t *) pteptr; - unsigned long mask; - - if (!MACHINE_HAS_HPAGE) { - pteptr = (pte_t *) pte_page(pteval)[1].index; - mask = pte_val(pteval) & - (_SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO); - pte_val(pteval) = (_SEGMENT_ENTRY + __pa(pteptr)) | mask; - } - - pmd_val(*pmdp) = pte_val(pteval); -} - -int arch_prepare_hugepage(struct page *page) -{ - unsigned long addr = page_to_phys(page); - pte_t pte; - pte_t *ptep; - int i; - - if (MACHINE_HAS_HPAGE) - return 0; - - ptep = (pte_t *) pte_alloc_one(&init_mm, addr); - if (!ptep) - return -ENOMEM; - - pte = mk_pte(page, PAGE_RW); - for (i = 0; i < PTRS_PER_PTE; i++) { - set_pte_at(&init_mm, addr + i * PAGE_SIZE, ptep + i, pte); - pte_val(pte) += PAGE_SIZE; - } - page[1].index = (unsigned long) ptep; - return 0; -} - -void arch_release_hugepage(struct page *page) -{ - pte_t *ptep; - - if (MACHINE_HAS_HPAGE) - return; - - ptep = (pte_t *) page[1].index; - if (!ptep) - return; - page_table_free(&init_mm, (unsigned long *) ptep); - page[1].index = 0; -} - -pte_t *huge_pte_alloc(struct mm_struct *mm, - unsigned long addr, unsigned long sz) -{ - pgd_t *pgdp; - pud_t *pudp; - pmd_t *pmdp = NULL; - - pgdp = pgd_offset(mm, addr); - pudp = pud_alloc(mm, pgdp, addr); - if (pudp) - pmdp = pmd_alloc(mm, pudp, addr); - return (pte_t *) pmdp; -} - -pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) -{ - pgd_t *pgdp; - pud_t *pudp; - pmd_t *pmdp = NULL; - - pgdp = pgd_offset(mm, addr); - if (pgd_present(*pgdp)) { - pudp = pud_offset(pgdp, addr); - if (pud_present(*pudp)) - pmdp = pmd_offset(pudp, addr); - } - return (pte_t *) pmdp; -} - -int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep) -{ - return 0; -} - -struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address, - int write) -{ - return ERR_PTR(-EINVAL); -} - -int pmd_huge(pmd_t pmd) -{ - if (!MACHINE_HAS_HPAGE) - return 0; - - return !!(pmd_val(pmd) & _SEGMENT_ENTRY_LARGE); -} - -int pud_huge(pud_t pud) -{ - return 0; -} - -struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address, - pmd_t *pmdp, int write) -{ - struct page *page; - - if (!MACHINE_HAS_HPAGE) - return NULL; - - page = pmd_page(*pmdp); - if (page) - page += ((address & ~HPAGE_MASK) >> PAGE_SHIFT); - return page; -} diff --git a/ANDROID_3.4.5/arch/s390/mm/init.c b/ANDROID_3.4.5/arch/s390/mm/init.c deleted file mode 100644 index 2bea0605..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/init.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * arch/s390/mm/init.c - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - * - * Derived from "arch/i386/mm/init.c" - * Copyright (C) 1995 Linus Torvalds - */ - -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/smp.h> -#include <linux/init.h> -#include <linux/pagemap.h> -#include <linux/bootmem.h> -#include <linux/pfn.h> -#include <linux/poison.h> -#include <linux/initrd.h> -#include <linux/export.h> -#include <linux/gfp.h> -#include <asm/processor.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/dma.h> -#include <asm/lowcore.h> -#include <asm/tlb.h> -#include <asm/tlbflush.h> -#include <asm/sections.h> -#include <asm/ctl_reg.h> - -pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((__aligned__(PAGE_SIZE))); - -unsigned long empty_zero_page, zero_page_mask; -EXPORT_SYMBOL(empty_zero_page); - -static unsigned long setup_zero_pages(void) -{ - struct cpuid cpu_id; - unsigned int order; - unsigned long size; - struct page *page; - int i; - - get_cpu_id(&cpu_id); - switch (cpu_id.machine) { - case 0x9672: /* g5 */ - case 0x2064: /* z900 */ - case 0x2066: /* z900 */ - case 0x2084: /* z990 */ - case 0x2086: /* z990 */ - case 0x2094: /* z9-109 */ - case 0x2096: /* z9-109 */ - order = 0; - break; - case 0x2097: /* z10 */ - case 0x2098: /* z10 */ - default: - order = 2; - break; - } - - empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); - if (!empty_zero_page) - panic("Out of memory in setup_zero_pages"); - - page = virt_to_page((void *) empty_zero_page); - split_page(page, order); - for (i = 1 << order; i > 0; i--) { - SetPageReserved(page); - page++; - } - - size = PAGE_SIZE << order; - zero_page_mask = (size - 1) & PAGE_MASK; - - return 1UL << order; -} - -/* - * paging_init() sets up the page tables - */ -void __init paging_init(void) -{ - unsigned long max_zone_pfns[MAX_NR_ZONES]; - unsigned long pgd_type, asce_bits; - - init_mm.pgd = swapper_pg_dir; -#ifdef CONFIG_64BIT - if (VMALLOC_END > (1UL << 42)) { - asce_bits = _ASCE_TYPE_REGION2 | _ASCE_TABLE_LENGTH; - pgd_type = _REGION2_ENTRY_EMPTY; - } else { - asce_bits = _ASCE_TYPE_REGION3 | _ASCE_TABLE_LENGTH; - pgd_type = _REGION3_ENTRY_EMPTY; - } -#else - asce_bits = _ASCE_TABLE_LENGTH; - pgd_type = _SEGMENT_ENTRY_EMPTY; -#endif - S390_lowcore.kernel_asce = (__pa(init_mm.pgd) & PAGE_MASK) | asce_bits; - clear_table((unsigned long *) init_mm.pgd, pgd_type, - sizeof(unsigned long)*2048); - vmem_map_init(); - - /* enable virtual mapping in kernel mode */ - __ctl_load(S390_lowcore.kernel_asce, 1, 1); - __ctl_load(S390_lowcore.kernel_asce, 7, 7); - __ctl_load(S390_lowcore.kernel_asce, 13, 13); - arch_local_irq_restore(4UL << (BITS_PER_LONG - 8)); - - atomic_set(&init_mm.context.attach_count, 1); - - sparse_memory_present_with_active_regions(MAX_NUMNODES); - sparse_init(); - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS); - max_zone_pfns[ZONE_NORMAL] = max_low_pfn; - free_area_init_nodes(max_zone_pfns); - fault_init(); -} - -void __init mem_init(void) -{ - unsigned long codesize, reservedpages, datasize, initsize; - - max_mapnr = num_physpages = max_low_pfn; - high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - - /* Setup guest page hinting */ - cmma_init(); - - /* this will put all low memory onto the freelists */ - totalram_pages += free_all_bootmem(); - totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */ - - reservedpages = 0; - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, %ldk data, %ldk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - max_mapnr << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >>10, - initsize >> 10); - printk("Write protected kernel read-only data: %#lx - %#lx\n", - (unsigned long)&_stext, - PFN_ALIGN((unsigned long)&_eshared) - 1); -} - -#ifdef CONFIG_DEBUG_PAGEALLOC -void kernel_map_pages(struct page *page, int numpages, int enable) -{ - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *pte; - unsigned long address; - int i; - - for (i = 0; i < numpages; i++) { - address = page_to_phys(page + i); - pgd = pgd_offset_k(address); - pud = pud_offset(pgd, address); - pmd = pmd_offset(pud, address); - pte = pte_offset_kernel(pmd, address); - if (!enable) { - __ptep_ipte(address, pte); - pte_val(*pte) = _PAGE_TYPE_EMPTY; - continue; - } - *pte = mk_pte_phys(address, __pgprot(_PAGE_TYPE_RW)); - /* Flush cpu write queue. */ - mb(); - } -} -#endif - -void free_init_pages(char *what, unsigned long begin, unsigned long end) -{ - unsigned long addr = begin; - - if (begin >= end) - return; - for (; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - memset((void *)(addr & PAGE_MASK), POISON_FREE_INITMEM, - PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); -} - -void free_initmem(void) -{ - free_init_pages("unused kernel memory", - (unsigned long)&__init_begin, - (unsigned long)&__init_end); -} - -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - free_init_pages("initrd memory", start, end); -} -#endif - -#ifdef CONFIG_MEMORY_HOTPLUG -int arch_add_memory(int nid, u64 start, u64 size) -{ - unsigned long zone_start_pfn, zone_end_pfn, nr_pages; - unsigned long start_pfn = PFN_DOWN(start); - unsigned long size_pages = PFN_DOWN(size); - struct zone *zone; - int rc; - - rc = vmem_add_mapping(start, size); - if (rc) - return rc; - for_each_zone(zone) { - if (zone_idx(zone) != ZONE_MOVABLE) { - /* Add range within existing zone limits */ - zone_start_pfn = zone->zone_start_pfn; - zone_end_pfn = zone->zone_start_pfn + - zone->spanned_pages; - } else { - /* Add remaining range to ZONE_MOVABLE */ - zone_start_pfn = start_pfn; - zone_end_pfn = start_pfn + size_pages; - } - if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn) - continue; - nr_pages = (start_pfn + size_pages > zone_end_pfn) ? - zone_end_pfn - start_pfn : size_pages; - rc = __add_pages(nid, zone, start_pfn, nr_pages); - if (rc) - break; - start_pfn += nr_pages; - size_pages -= nr_pages; - if (!size_pages) - break; - } - if (rc) - vmem_remove_mapping(start, size); - return rc; -} -#endif /* CONFIG_MEMORY_HOTPLUG */ diff --git a/ANDROID_3.4.5/arch/s390/mm/maccess.c b/ANDROID_3.4.5/arch/s390/mm/maccess.c deleted file mode 100644 index e1335dc2..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/maccess.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Access kernel memory without faulting -- s390 specific implementation. - * - * Copyright IBM Corp. 2009 - * - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>, - * - */ - -#include <linux/uaccess.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/gfp.h> -#include <asm/ctl_reg.h> - -/* - * This function writes to kernel memory bypassing DAT and possible - * write protection. It copies one to four bytes from src to dst - * using the stura instruction. - * Returns the number of bytes copied or -EFAULT. - */ -static long probe_kernel_write_odd(void *dst, const void *src, size_t size) -{ - unsigned long count, aligned; - int offset, mask; - int rc = -EFAULT; - - aligned = (unsigned long) dst & ~3UL; - offset = (unsigned long) dst & 3; - count = min_t(unsigned long, 4 - offset, size); - mask = (0xf << (4 - count)) & 0xf; - mask >>= offset; - asm volatile( - " bras 1,0f\n" - " icm 0,0,0(%3)\n" - "0: l 0,0(%1)\n" - " lra %1,0(%1)\n" - "1: ex %2,0(1)\n" - "2: stura 0,%1\n" - " la %0,0\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,3b) EX_TABLE(2b,3b) - : "+d" (rc), "+a" (aligned) - : "a" (mask), "a" (src) : "cc", "memory", "0", "1"); - return rc ? rc : count; -} - -long probe_kernel_write(void *dst, const void *src, size_t size) -{ - long copied = 0; - - while (size) { - copied = probe_kernel_write_odd(dst, src, size); - if (copied < 0) - break; - dst += copied; - src += copied; - size -= copied; - } - return copied < 0 ? -EFAULT : 0; -} - -static int __memcpy_real(void *dest, void *src, size_t count) -{ - register unsigned long _dest asm("2") = (unsigned long) dest; - register unsigned long _len1 asm("3") = (unsigned long) count; - register unsigned long _src asm("4") = (unsigned long) src; - register unsigned long _len2 asm("5") = (unsigned long) count; - int rc = -EFAULT; - - asm volatile ( - "0: mvcle %1,%2,0x0\n" - "1: jo 0b\n" - " lhi %0,0x0\n" - "2:\n" - EX_TABLE(1b,2b) - : "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1), - "+d" (_len2), "=m" (*((long *) dest)) - : "m" (*((long *) src)) - : "cc", "memory"); - return rc; -} - -/* - * Copy memory in real mode (kernel to kernel) - */ -int memcpy_real(void *dest, void *src, size_t count) -{ - unsigned long flags; - int rc; - - if (!count) - return 0; - local_irq_save(flags); - __arch_local_irq_stnsm(0xfbUL); - rc = __memcpy_real(dest, src, count); - local_irq_restore(flags); - return rc; -} - -/* - * Copy memory to absolute zero - */ -void copy_to_absolute_zero(void *dest, void *src, size_t count) -{ - unsigned long cr0; - - BUG_ON((unsigned long) dest + count >= sizeof(struct _lowcore)); - preempt_disable(); - __ctl_store(cr0, 0, 0); - __ctl_clear_bit(0, 28); /* disable lowcore protection */ - memcpy_real(dest + store_prefix(), src, count); - __ctl_load(cr0, 0, 0); - preempt_enable(); -} - -/* - * Copy memory from kernel (real) to user (virtual) - */ -int copy_to_user_real(void __user *dest, void *src, size_t count) -{ - int offs = 0, size, rc; - char *buf; - - buf = (char *) __get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - rc = -EFAULT; - while (offs < count) { - size = min(PAGE_SIZE, count - offs); - if (memcpy_real(buf, src + offs, size)) - goto out; - if (copy_to_user(dest + offs, buf, size)) - goto out; - offs += size; - } - rc = 0; -out: - free_page((unsigned long) buf); - return rc; -} - -/* - * Copy memory from user (virtual) to kernel (real) - */ -int copy_from_user_real(void *dest, void __user *src, size_t count) -{ - int offs = 0, size, rc; - char *buf; - - buf = (char *) __get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - rc = -EFAULT; - while (offs < count) { - size = min(PAGE_SIZE, count - offs); - if (copy_from_user(buf, src + offs, size)) - goto out; - if (memcpy_real(dest + offs, buf, size)) - goto out; - offs += size; - } - rc = 0; -out: - free_page((unsigned long) buf); - return rc; -} diff --git a/ANDROID_3.4.5/arch/s390/mm/mmap.c b/ANDROID_3.4.5/arch/s390/mm/mmap.c deleted file mode 100644 index 2857c484..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/mmap.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * linux/arch/s390/mm/mmap.c - * - * flexible mmap layout support - * - * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * - * Started by Ingo Molnar <mingo@elte.hu> - */ - -#include <linux/personality.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/module.h> -#include <linux/random.h> -#include <linux/compat.h> -#include <asm/pgalloc.h> - -static unsigned long stack_maxrandom_size(void) -{ - if (!(current->flags & PF_RANDOMIZE)) - return 0; - if (current->personality & ADDR_NO_RANDOMIZE) - return 0; - return STACK_RND_MASK << PAGE_SHIFT; -} - -/* - * Top of mmap area (just below the process stack). - * - * Leave at least a ~32 MB hole. - */ -#define MIN_GAP (32*1024*1024) -#define MAX_GAP (STACK_TOP/6*5) - -static inline int mmap_is_legacy(void) -{ - if (current->personality & ADDR_COMPAT_LAYOUT) - return 1; - if (rlimit(RLIMIT_STACK) == RLIM_INFINITY) - return 1; - return sysctl_legacy_va_layout; -} - -static unsigned long mmap_rnd(void) -{ - if (!(current->flags & PF_RANDOMIZE)) - return 0; - /* 8MB randomization for mmap_base */ - return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; -} - -static inline unsigned long mmap_base(void) -{ - unsigned long gap = rlimit(RLIMIT_STACK); - - if (gap < MIN_GAP) - gap = MIN_GAP; - else if (gap > MAX_GAP) - gap = MAX_GAP; - gap &= PAGE_MASK; - return STACK_TOP - stack_maxrandom_size() - mmap_rnd() - gap; -} - -#ifndef CONFIG_64BIT - -/* - * This function, called very early during the creation of a new - * process VM image, sets up which VM layout function to use: - */ -void arch_pick_mmap_layout(struct mm_struct *mm) -{ - /* - * Fall back to the standard layout if the personality - * bit is set, or if the expected stack growth is unlimited: - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -} - -#else - -int s390_mmap_check(unsigned long addr, unsigned long len) -{ - if (!is_compat_task() && - len >= TASK_SIZE && TASK_SIZE < (1UL << 53)) - return crst_table_upgrade(current->mm, 1UL << 53); - return 0; -} - -static unsigned long -s390_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) -{ - struct mm_struct *mm = current->mm; - unsigned long area; - int rc; - - area = arch_get_unmapped_area(filp, addr, len, pgoff, flags); - if (!(area & ~PAGE_MASK)) - return area; - if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < (1UL << 53)) { - /* Upgrade the page table to 4 levels and retry. */ - rc = crst_table_upgrade(mm, 1UL << 53); - if (rc) - return (unsigned long) rc; - area = arch_get_unmapped_area(filp, addr, len, pgoff, flags); - } - return area; -} - -static unsigned long -s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, - const unsigned long len, const unsigned long pgoff, - const unsigned long flags) -{ - struct mm_struct *mm = current->mm; - unsigned long area; - int rc; - - area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags); - if (!(area & ~PAGE_MASK)) - return area; - if (area == -ENOMEM && !is_compat_task() && TASK_SIZE < (1UL << 53)) { - /* Upgrade the page table to 4 levels and retry. */ - rc = crst_table_upgrade(mm, 1UL << 53); - if (rc) - return (unsigned long) rc; - area = arch_get_unmapped_area_topdown(filp, addr, len, - pgoff, flags); - } - return area; -} -/* - * This function, called very early during the creation of a new - * process VM image, sets up which VM layout function to use: - */ -void arch_pick_mmap_layout(struct mm_struct *mm) -{ - /* - * Fall back to the standard layout if the personality - * bit is set, or if the expected stack growth is unlimited: - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; - mm->get_unmapped_area = s390_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); - mm->get_unmapped_area = s390_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -} - -#endif diff --git a/ANDROID_3.4.5/arch/s390/mm/page-states.c b/ANDROID_3.4.5/arch/s390/mm/page-states.c deleted file mode 100644 index a90d45e9..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/page-states.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright IBM Corp. 2008 - * - * Guest page hinting for unused pages. - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/gfp.h> -#include <linux/init.h> - -#define ESSA_SET_STABLE 1 -#define ESSA_SET_UNUSED 2 - -static int cmma_flag = 1; - -static int __init cmma(char *str) -{ - char *parm; - - parm = strstrip(str); - if (strcmp(parm, "yes") == 0 || strcmp(parm, "on") == 0) { - cmma_flag = 1; - return 1; - } - cmma_flag = 0; - if (strcmp(parm, "no") == 0 || strcmp(parm, "off") == 0) - return 1; - return 0; -} -__setup("cmma=", cmma); - -void __init cmma_init(void) -{ - register unsigned long tmp asm("0") = 0; - register int rc asm("1") = -EOPNOTSUPP; - - if (!cmma_flag) - return; - asm volatile( - " .insn rrf,0xb9ab0000,%1,%1,0,0\n" - "0: la %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+&d" (rc), "+&d" (tmp)); - if (rc) - cmma_flag = 0; -} - -static inline void set_page_unstable(struct page *page, int order) -{ - int i, rc; - - for (i = 0; i < (1 << order); i++) - asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0" - : "=&d" (rc) - : "a" (page_to_phys(page + i)), - "i" (ESSA_SET_UNUSED)); -} - -void arch_free_page(struct page *page, int order) -{ - if (!cmma_flag) - return; - set_page_unstable(page, order); -} - -static inline void set_page_stable(struct page *page, int order) -{ - int i, rc; - - for (i = 0; i < (1 << order); i++) - asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0" - : "=&d" (rc) - : "a" (page_to_phys(page + i)), - "i" (ESSA_SET_STABLE)); -} - -void arch_alloc_page(struct page *page, int order) -{ - if (!cmma_flag) - return; - set_page_stable(page, order); -} - -void arch_set_page_states(int make_stable) -{ - unsigned long flags, order, t; - struct list_head *l; - struct page *page; - struct zone *zone; - - if (!cmma_flag) - return; - if (make_stable) - drain_local_pages(NULL); - for_each_populated_zone(zone) { - spin_lock_irqsave(&zone->lock, flags); - for_each_migratetype_order(order, t) { - list_for_each(l, &zone->free_area[order].free_list[t]) { - page = list_entry(l, struct page, lru); - if (make_stable) - set_page_stable(page, order); - else - set_page_unstable(page, order); - } - } - spin_unlock_irqrestore(&zone->lock, flags); - } -} diff --git a/ANDROID_3.4.5/arch/s390/mm/pageattr.c b/ANDROID_3.4.5/arch/s390/mm/pageattr.c deleted file mode 100644 index b36537a5..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/pageattr.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright IBM Corp. 2011 - * Author(s): Jan Glauber <jang@linux.vnet.ibm.com> - */ -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/hugetlb.h> -#include <asm/cacheflush.h> -#include <asm/pgtable.h> - -static void change_page_attr(unsigned long addr, int numpages, - pte_t (*set) (pte_t)) -{ - pte_t *ptep, pte; - pmd_t *pmdp; - pud_t *pudp; - pgd_t *pgdp; - int i; - - for (i = 0; i < numpages; i++) { - pgdp = pgd_offset(&init_mm, addr); - pudp = pud_offset(pgdp, addr); - pmdp = pmd_offset(pudp, addr); - if (pmd_huge(*pmdp)) { - WARN_ON_ONCE(1); - continue; - } - ptep = pte_offset_kernel(pmdp, addr); - - pte = *ptep; - pte = set(pte); - __ptep_ipte(addr, ptep); - *ptep = pte; - addr += PAGE_SIZE; - } -} - -int set_memory_ro(unsigned long addr, int numpages) -{ - change_page_attr(addr, numpages, pte_wrprotect); - return 0; -} -EXPORT_SYMBOL_GPL(set_memory_ro); - -int set_memory_rw(unsigned long addr, int numpages) -{ - change_page_attr(addr, numpages, pte_mkwrite); - return 0; -} -EXPORT_SYMBOL_GPL(set_memory_rw); - -/* not possible */ -int set_memory_nx(unsigned long addr, int numpages) -{ - return 0; -} -EXPORT_SYMBOL_GPL(set_memory_nx); - -int set_memory_x(unsigned long addr, int numpages) -{ - return 0; -} diff --git a/ANDROID_3.4.5/arch/s390/mm/pgtable.c b/ANDROID_3.4.5/arch/s390/mm/pgtable.c deleted file mode 100644 index 6e765bf0..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/pgtable.c +++ /dev/null @@ -1,871 +0,0 @@ -/* - * Copyright IBM Corp. 2007,2011 - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/gfp.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/smp.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include <linux/quicklist.h> -#include <linux/rcupdate.h> -#include <linux/slab.h> - -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/tlb.h> -#include <asm/tlbflush.h> -#include <asm/mmu_context.h> - -#ifndef CONFIG_64BIT -#define ALLOC_ORDER 1 -#define FRAG_MASK 0x0f -#else -#define ALLOC_ORDER 2 -#define FRAG_MASK 0x03 -#endif - - -unsigned long *crst_table_alloc(struct mm_struct *mm) -{ - struct page *page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); - - if (!page) - return NULL; - return (unsigned long *) page_to_phys(page); -} - -void crst_table_free(struct mm_struct *mm, unsigned long *table) -{ - free_pages((unsigned long) table, ALLOC_ORDER); -} - -#ifdef CONFIG_64BIT -int crst_table_upgrade(struct mm_struct *mm, unsigned long limit) -{ - unsigned long *table, *pgd; - unsigned long entry; - - BUG_ON(limit > (1UL << 53)); -repeat: - table = crst_table_alloc(mm); - if (!table) - return -ENOMEM; - spin_lock_bh(&mm->page_table_lock); - if (mm->context.asce_limit < limit) { - pgd = (unsigned long *) mm->pgd; - if (mm->context.asce_limit <= (1UL << 31)) { - entry = _REGION3_ENTRY_EMPTY; - mm->context.asce_limit = 1UL << 42; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION3; - } else { - entry = _REGION2_ENTRY_EMPTY; - mm->context.asce_limit = 1UL << 53; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION2; - } - crst_table_init(table, entry); - pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd); - mm->pgd = (pgd_t *) table; - mm->task_size = mm->context.asce_limit; - table = NULL; - } - spin_unlock_bh(&mm->page_table_lock); - if (table) - crst_table_free(mm, table); - if (mm->context.asce_limit < limit) - goto repeat; - update_mm(mm, current); - return 0; -} - -void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) -{ - pgd_t *pgd; - - if (mm->context.asce_limit <= limit) - return; - __tlb_flush_mm(mm); - while (mm->context.asce_limit > limit) { - pgd = mm->pgd; - switch (pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) { - case _REGION_ENTRY_TYPE_R2: - mm->context.asce_limit = 1UL << 42; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_REGION3; - break; - case _REGION_ENTRY_TYPE_R3: - mm->context.asce_limit = 1UL << 31; - mm->context.asce_bits = _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | - _ASCE_TYPE_SEGMENT; - break; - default: - BUG(); - } - mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN); - mm->task_size = mm->context.asce_limit; - crst_table_free(mm, (unsigned long *) pgd); - } - update_mm(mm, current); -} -#endif - -#ifdef CONFIG_PGSTE - -/** - * gmap_alloc - allocate a guest address space - * @mm: pointer to the parent mm_struct - * - * Returns a guest address space structure. - */ -struct gmap *gmap_alloc(struct mm_struct *mm) -{ - struct gmap *gmap; - struct page *page; - unsigned long *table; - - gmap = kzalloc(sizeof(struct gmap), GFP_KERNEL); - if (!gmap) - goto out; - INIT_LIST_HEAD(&gmap->crst_list); - gmap->mm = mm; - page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); - if (!page) - goto out_free; - list_add(&page->lru, &gmap->crst_list); - table = (unsigned long *) page_to_phys(page); - crst_table_init(table, _REGION1_ENTRY_EMPTY); - gmap->table = table; - gmap->asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | __pa(table); - list_add(&gmap->list, &mm->context.gmap_list); - return gmap; - -out_free: - kfree(gmap); -out: - return NULL; -} -EXPORT_SYMBOL_GPL(gmap_alloc); - -static int gmap_unlink_segment(struct gmap *gmap, unsigned long *table) -{ - struct gmap_pgtable *mp; - struct gmap_rmap *rmap; - struct page *page; - - if (*table & _SEGMENT_ENTRY_INV) - return 0; - page = pfn_to_page(*table >> PAGE_SHIFT); - mp = (struct gmap_pgtable *) page->index; - list_for_each_entry(rmap, &mp->mapper, list) { - if (rmap->entry != table) - continue; - list_del(&rmap->list); - kfree(rmap); - break; - } - *table = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO | mp->vmaddr; - return 1; -} - -static void gmap_flush_tlb(struct gmap *gmap) -{ - if (MACHINE_HAS_IDTE) - __tlb_flush_idte((unsigned long) gmap->table | - _ASCE_TYPE_REGION1); - else - __tlb_flush_global(); -} - -/** - * gmap_free - free a guest address space - * @gmap: pointer to the guest address space structure - */ -void gmap_free(struct gmap *gmap) -{ - struct page *page, *next; - unsigned long *table; - int i; - - - /* Flush tlb. */ - if (MACHINE_HAS_IDTE) - __tlb_flush_idte((unsigned long) gmap->table | - _ASCE_TYPE_REGION1); - else - __tlb_flush_global(); - - /* Free all segment & region tables. */ - down_read(&gmap->mm->mmap_sem); - spin_lock(&gmap->mm->page_table_lock); - list_for_each_entry_safe(page, next, &gmap->crst_list, lru) { - table = (unsigned long *) page_to_phys(page); - if ((*table & _REGION_ENTRY_TYPE_MASK) == 0) - /* Remove gmap rmap structures for segment table. */ - for (i = 0; i < PTRS_PER_PMD; i++, table++) - gmap_unlink_segment(gmap, table); - __free_pages(page, ALLOC_ORDER); - } - spin_unlock(&gmap->mm->page_table_lock); - up_read(&gmap->mm->mmap_sem); - list_del(&gmap->list); - kfree(gmap); -} -EXPORT_SYMBOL_GPL(gmap_free); - -/** - * gmap_enable - switch primary space to the guest address space - * @gmap: pointer to the guest address space structure - */ -void gmap_enable(struct gmap *gmap) -{ - S390_lowcore.gmap = (unsigned long) gmap; -} -EXPORT_SYMBOL_GPL(gmap_enable); - -/** - * gmap_disable - switch back to the standard primary address space - * @gmap: pointer to the guest address space structure - */ -void gmap_disable(struct gmap *gmap) -{ - S390_lowcore.gmap = 0UL; -} -EXPORT_SYMBOL_GPL(gmap_disable); - -/* - * gmap_alloc_table is assumed to be called with mmap_sem held - */ -static int gmap_alloc_table(struct gmap *gmap, - unsigned long *table, unsigned long init) -{ - struct page *page; - unsigned long *new; - - /* since we dont free the gmap table until gmap_free we can unlock */ - spin_unlock(&gmap->mm->page_table_lock); - page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); - spin_lock(&gmap->mm->page_table_lock); - if (!page) - return -ENOMEM; - new = (unsigned long *) page_to_phys(page); - crst_table_init(new, init); - if (*table & _REGION_ENTRY_INV) { - list_add(&page->lru, &gmap->crst_list); - *table = (unsigned long) new | _REGION_ENTRY_LENGTH | - (*table & _REGION_ENTRY_TYPE_MASK); - } else - __free_pages(page, ALLOC_ORDER); - return 0; -} - -/** - * gmap_unmap_segment - unmap segment from the guest address space - * @gmap: pointer to the guest address space structure - * @addr: address in the guest address space - * @len: length of the memory area to unmap - * - * Returns 0 if the unmap succeded, -EINVAL if not. - */ -int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) -{ - unsigned long *table; - unsigned long off; - int flush; - - if ((to | len) & (PMD_SIZE - 1)) - return -EINVAL; - if (len == 0 || to + len < to) - return -EINVAL; - - flush = 0; - down_read(&gmap->mm->mmap_sem); - spin_lock(&gmap->mm->page_table_lock); - for (off = 0; off < len; off += PMD_SIZE) { - /* Walk the guest addr space page table */ - table = gmap->table + (((to + off) >> 53) & 0x7ff); - if (*table & _REGION_ENTRY_INV) - goto out; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 42) & 0x7ff); - if (*table & _REGION_ENTRY_INV) - goto out; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 31) & 0x7ff); - if (*table & _REGION_ENTRY_INV) - goto out; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 20) & 0x7ff); - - /* Clear segment table entry in guest address space. */ - flush |= gmap_unlink_segment(gmap, table); - *table = _SEGMENT_ENTRY_INV; - } -out: - spin_unlock(&gmap->mm->page_table_lock); - up_read(&gmap->mm->mmap_sem); - if (flush) - gmap_flush_tlb(gmap); - return 0; -} -EXPORT_SYMBOL_GPL(gmap_unmap_segment); - -/** - * gmap_mmap_segment - map a segment to the guest address space - * @gmap: pointer to the guest address space structure - * @from: source address in the parent address space - * @to: target address in the guest address space - * - * Returns 0 if the mmap succeded, -EINVAL or -ENOMEM if not. - */ -int gmap_map_segment(struct gmap *gmap, unsigned long from, - unsigned long to, unsigned long len) -{ - unsigned long *table; - unsigned long off; - int flush; - - if ((from | to | len) & (PMD_SIZE - 1)) - return -EINVAL; - if (len == 0 || from + len > PGDIR_SIZE || - from + len < from || to + len < to) - return -EINVAL; - - flush = 0; - down_read(&gmap->mm->mmap_sem); - spin_lock(&gmap->mm->page_table_lock); - for (off = 0; off < len; off += PMD_SIZE) { - /* Walk the gmap address space page table */ - table = gmap->table + (((to + off) >> 53) & 0x7ff); - if ((*table & _REGION_ENTRY_INV) && - gmap_alloc_table(gmap, table, _REGION2_ENTRY_EMPTY)) - goto out_unmap; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 42) & 0x7ff); - if ((*table & _REGION_ENTRY_INV) && - gmap_alloc_table(gmap, table, _REGION3_ENTRY_EMPTY)) - goto out_unmap; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 31) & 0x7ff); - if ((*table & _REGION_ENTRY_INV) && - gmap_alloc_table(gmap, table, _SEGMENT_ENTRY_EMPTY)) - goto out_unmap; - table = (unsigned long *) (*table & _REGION_ENTRY_ORIGIN); - table = table + (((to + off) >> 20) & 0x7ff); - - /* Store 'from' address in an invalid segment table entry. */ - flush |= gmap_unlink_segment(gmap, table); - *table = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO | (from + off); - } - spin_unlock(&gmap->mm->page_table_lock); - up_read(&gmap->mm->mmap_sem); - if (flush) - gmap_flush_tlb(gmap); - return 0; - -out_unmap: - spin_unlock(&gmap->mm->page_table_lock); - up_read(&gmap->mm->mmap_sem); - gmap_unmap_segment(gmap, to, len); - return -ENOMEM; -} -EXPORT_SYMBOL_GPL(gmap_map_segment); - -/* - * this function is assumed to be called with mmap_sem held - */ -unsigned long __gmap_fault(unsigned long address, struct gmap *gmap) -{ - unsigned long *table, vmaddr, segment; - struct mm_struct *mm; - struct gmap_pgtable *mp; - struct gmap_rmap *rmap; - struct vm_area_struct *vma; - struct page *page; - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - - current->thread.gmap_addr = address; - mm = gmap->mm; - /* Walk the gmap address space page table */ - table = gmap->table + ((address >> 53) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) - return -EFAULT; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 42) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) - return -EFAULT; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 31) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) - return -EFAULT; - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 20) & 0x7ff); - - /* Convert the gmap address to an mm address. */ - segment = *table; - if (likely(!(segment & _SEGMENT_ENTRY_INV))) { - page = pfn_to_page(segment >> PAGE_SHIFT); - mp = (struct gmap_pgtable *) page->index; - return mp->vmaddr | (address & ~PMD_MASK); - } else if (segment & _SEGMENT_ENTRY_RO) { - vmaddr = segment & _SEGMENT_ENTRY_ORIGIN; - vma = find_vma(mm, vmaddr); - if (!vma || vma->vm_start > vmaddr) - return -EFAULT; - - /* Walk the parent mm page table */ - pgd = pgd_offset(mm, vmaddr); - pud = pud_alloc(mm, pgd, vmaddr); - if (!pud) - return -ENOMEM; - pmd = pmd_alloc(mm, pud, vmaddr); - if (!pmd) - return -ENOMEM; - if (!pmd_present(*pmd) && - __pte_alloc(mm, vma, pmd, vmaddr)) - return -ENOMEM; - /* pmd now points to a valid segment table entry. */ - rmap = kmalloc(sizeof(*rmap), GFP_KERNEL|__GFP_REPEAT); - if (!rmap) - return -ENOMEM; - /* Link gmap segment table entry location to page table. */ - page = pmd_page(*pmd); - mp = (struct gmap_pgtable *) page->index; - rmap->entry = table; - spin_lock(&mm->page_table_lock); - list_add(&rmap->list, &mp->mapper); - spin_unlock(&mm->page_table_lock); - /* Set gmap segment table entry to page table. */ - *table = pmd_val(*pmd) & PAGE_MASK; - return vmaddr | (address & ~PMD_MASK); - } - return -EFAULT; -} - -unsigned long gmap_fault(unsigned long address, struct gmap *gmap) -{ - unsigned long rc; - - down_read(&gmap->mm->mmap_sem); - rc = __gmap_fault(address, gmap); - up_read(&gmap->mm->mmap_sem); - - return rc; -} -EXPORT_SYMBOL_GPL(gmap_fault); - -void gmap_discard(unsigned long from, unsigned long to, struct gmap *gmap) -{ - - unsigned long *table, address, size; - struct vm_area_struct *vma; - struct gmap_pgtable *mp; - struct page *page; - - down_read(&gmap->mm->mmap_sem); - address = from; - while (address < to) { - /* Walk the gmap address space page table */ - table = gmap->table + ((address >> 53) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) { - address = (address + PMD_SIZE) & PMD_MASK; - continue; - } - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 42) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) { - address = (address + PMD_SIZE) & PMD_MASK; - continue; - } - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 31) & 0x7ff); - if (unlikely(*table & _REGION_ENTRY_INV)) { - address = (address + PMD_SIZE) & PMD_MASK; - continue; - } - table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); - table = table + ((address >> 20) & 0x7ff); - if (unlikely(*table & _SEGMENT_ENTRY_INV)) { - address = (address + PMD_SIZE) & PMD_MASK; - continue; - } - page = pfn_to_page(*table >> PAGE_SHIFT); - mp = (struct gmap_pgtable *) page->index; - vma = find_vma(gmap->mm, mp->vmaddr); - size = min(to - address, PMD_SIZE - (address & ~PMD_MASK)); - zap_page_range(vma, mp->vmaddr | (address & ~PMD_MASK), - size, NULL); - address = (address + PMD_SIZE) & PMD_MASK; - } - up_read(&gmap->mm->mmap_sem); -} -EXPORT_SYMBOL_GPL(gmap_discard); - -void gmap_unmap_notifier(struct mm_struct *mm, unsigned long *table) -{ - struct gmap_rmap *rmap, *next; - struct gmap_pgtable *mp; - struct page *page; - int flush; - - flush = 0; - spin_lock(&mm->page_table_lock); - page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - mp = (struct gmap_pgtable *) page->index; - list_for_each_entry_safe(rmap, next, &mp->mapper, list) { - *rmap->entry = - _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO | mp->vmaddr; - list_del(&rmap->list); - kfree(rmap); - flush = 1; - } - spin_unlock(&mm->page_table_lock); - if (flush) - __tlb_flush_global(); -} - -static inline unsigned long *page_table_alloc_pgste(struct mm_struct *mm, - unsigned long vmaddr) -{ - struct page *page; - unsigned long *table; - struct gmap_pgtable *mp; - - page = alloc_page(GFP_KERNEL|__GFP_REPEAT); - if (!page) - return NULL; - mp = kmalloc(sizeof(*mp), GFP_KERNEL|__GFP_REPEAT); - if (!mp) { - __free_page(page); - return NULL; - } - pgtable_page_ctor(page); - mp->vmaddr = vmaddr & PMD_MASK; - INIT_LIST_HEAD(&mp->mapper); - page->index = (unsigned long) mp; - atomic_set(&page->_mapcount, 3); - table = (unsigned long *) page_to_phys(page); - clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE/2); - clear_table(table + PTRS_PER_PTE, 0, PAGE_SIZE/2); - return table; -} - -static inline void page_table_free_pgste(unsigned long *table) -{ - struct page *page; - struct gmap_pgtable *mp; - - page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - mp = (struct gmap_pgtable *) page->index; - BUG_ON(!list_empty(&mp->mapper)); - pgtable_page_dtor(page); - atomic_set(&page->_mapcount, -1); - kfree(mp); - __free_page(page); -} - -#else /* CONFIG_PGSTE */ - -static inline unsigned long *page_table_alloc_pgste(struct mm_struct *mm, - unsigned long vmaddr) -{ - return NULL; -} - -static inline void page_table_free_pgste(unsigned long *table) -{ -} - -static inline void gmap_unmap_notifier(struct mm_struct *mm, - unsigned long *table) -{ -} - -#endif /* CONFIG_PGSTE */ - -static inline unsigned int atomic_xor_bits(atomic_t *v, unsigned int bits) -{ - unsigned int old, new; - - do { - old = atomic_read(v); - new = old ^ bits; - } while (atomic_cmpxchg(v, old, new) != old); - return new; -} - -/* - * page table entry allocation/free routines. - */ -unsigned long *page_table_alloc(struct mm_struct *mm, unsigned long vmaddr) -{ - struct page *page; - unsigned long *table; - unsigned int mask, bit; - - if (mm_has_pgste(mm)) - return page_table_alloc_pgste(mm, vmaddr); - /* Allocate fragments of a 4K page as 1K/2K page table */ - spin_lock_bh(&mm->context.list_lock); - mask = FRAG_MASK; - if (!list_empty(&mm->context.pgtable_list)) { - page = list_first_entry(&mm->context.pgtable_list, - struct page, lru); - table = (unsigned long *) page_to_phys(page); - mask = atomic_read(&page->_mapcount); - mask = mask | (mask >> 4); - } - if ((mask & FRAG_MASK) == FRAG_MASK) { - spin_unlock_bh(&mm->context.list_lock); - page = alloc_page(GFP_KERNEL|__GFP_REPEAT); - if (!page) - return NULL; - pgtable_page_ctor(page); - atomic_set(&page->_mapcount, 1); - table = (unsigned long *) page_to_phys(page); - clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE); - spin_lock_bh(&mm->context.list_lock); - list_add(&page->lru, &mm->context.pgtable_list); - } else { - for (bit = 1; mask & bit; bit <<= 1) - table += PTRS_PER_PTE; - mask = atomic_xor_bits(&page->_mapcount, bit); - if ((mask & FRAG_MASK) == FRAG_MASK) - list_del(&page->lru); - } - spin_unlock_bh(&mm->context.list_lock); - return table; -} - -void page_table_free(struct mm_struct *mm, unsigned long *table) -{ - struct page *page; - unsigned int bit, mask; - - if (mm_has_pgste(mm)) { - gmap_unmap_notifier(mm, table); - return page_table_free_pgste(table); - } - /* Free 1K/2K page table fragment of a 4K page */ - page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - bit = 1 << ((__pa(table) & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t))); - spin_lock_bh(&mm->context.list_lock); - if ((atomic_read(&page->_mapcount) & FRAG_MASK) != FRAG_MASK) - list_del(&page->lru); - mask = atomic_xor_bits(&page->_mapcount, bit); - if (mask & FRAG_MASK) - list_add(&page->lru, &mm->context.pgtable_list); - spin_unlock_bh(&mm->context.list_lock); - if (mask == 0) { - pgtable_page_dtor(page); - atomic_set(&page->_mapcount, -1); - __free_page(page); - } -} - -static void __page_table_free_rcu(void *table, unsigned bit) -{ - struct page *page; - - if (bit == FRAG_MASK) - return page_table_free_pgste(table); - /* Free 1K/2K page table fragment of a 4K page */ - page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - if (atomic_xor_bits(&page->_mapcount, bit) == 0) { - pgtable_page_dtor(page); - atomic_set(&page->_mapcount, -1); - __free_page(page); - } -} - -void page_table_free_rcu(struct mmu_gather *tlb, unsigned long *table) -{ - struct mm_struct *mm; - struct page *page; - unsigned int bit, mask; - - mm = tlb->mm; - if (mm_has_pgste(mm)) { - gmap_unmap_notifier(mm, table); - table = (unsigned long *) (__pa(table) | FRAG_MASK); - tlb_remove_table(tlb, table); - return; - } - bit = 1 << ((__pa(table) & ~PAGE_MASK) / (PTRS_PER_PTE*sizeof(pte_t))); - page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - spin_lock_bh(&mm->context.list_lock); - if ((atomic_read(&page->_mapcount) & FRAG_MASK) != FRAG_MASK) - list_del(&page->lru); - mask = atomic_xor_bits(&page->_mapcount, bit | (bit << 4)); - if (mask & FRAG_MASK) - list_add_tail(&page->lru, &mm->context.pgtable_list); - spin_unlock_bh(&mm->context.list_lock); - table = (unsigned long *) (__pa(table) | (bit << 4)); - tlb_remove_table(tlb, table); -} - -void __tlb_remove_table(void *_table) -{ - const unsigned long mask = (FRAG_MASK << 4) | FRAG_MASK; - void *table = (void *)((unsigned long) _table & ~mask); - unsigned type = (unsigned long) _table & mask; - - if (type) - __page_table_free_rcu(table, type); - else - free_pages((unsigned long) table, ALLOC_ORDER); -} - -static void tlb_remove_table_smp_sync(void *arg) -{ - /* Simply deliver the interrupt */ -} - -static void tlb_remove_table_one(void *table) -{ - /* - * This isn't an RCU grace period and hence the page-tables cannot be - * assumed to be actually RCU-freed. - * - * It is however sufficient for software page-table walkers that rely - * on IRQ disabling. See the comment near struct mmu_table_batch. - */ - smp_call_function(tlb_remove_table_smp_sync, NULL, 1); - __tlb_remove_table(table); -} - -static void tlb_remove_table_rcu(struct rcu_head *head) -{ - struct mmu_table_batch *batch; - int i; - - batch = container_of(head, struct mmu_table_batch, rcu); - - for (i = 0; i < batch->nr; i++) - __tlb_remove_table(batch->tables[i]); - - free_page((unsigned long)batch); -} - -void tlb_table_flush(struct mmu_gather *tlb) -{ - struct mmu_table_batch **batch = &tlb->batch; - - if (*batch) { - __tlb_flush_mm(tlb->mm); - call_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu); - *batch = NULL; - } -} - -void tlb_remove_table(struct mmu_gather *tlb, void *table) -{ - struct mmu_table_batch **batch = &tlb->batch; - - if (*batch == NULL) { - *batch = (struct mmu_table_batch *) - __get_free_page(GFP_NOWAIT | __GFP_NOWARN); - if (*batch == NULL) { - __tlb_flush_mm(tlb->mm); - tlb_remove_table_one(table); - return; - } - (*batch)->nr = 0; - } - (*batch)->tables[(*batch)->nr++] = table; - if ((*batch)->nr == MAX_TABLE_BATCH) - tlb_table_flush(tlb); -} - -/* - * switch on pgstes for its userspace process (for kvm) - */ -int s390_enable_sie(void) -{ - struct task_struct *tsk = current; - struct mm_struct *mm, *old_mm; - - /* Do we have switched amode? If no, we cannot do sie */ - if (user_mode == HOME_SPACE_MODE) - return -EINVAL; - - /* Do we have pgstes? if yes, we are done */ - if (mm_has_pgste(tsk->mm)) - return 0; - - /* lets check if we are allowed to replace the mm */ - task_lock(tsk); - if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 || -#ifdef CONFIG_AIO - !hlist_empty(&tsk->mm->ioctx_list) || -#endif - tsk->mm != tsk->active_mm) { - task_unlock(tsk); - return -EINVAL; - } - task_unlock(tsk); - - /* we copy the mm and let dup_mm create the page tables with_pgstes */ - tsk->mm->context.alloc_pgste = 1; - mm = dup_mm(tsk); - tsk->mm->context.alloc_pgste = 0; - if (!mm) - return -ENOMEM; - - /* Now lets check again if something happened */ - task_lock(tsk); - if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 || -#ifdef CONFIG_AIO - !hlist_empty(&tsk->mm->ioctx_list) || -#endif - tsk->mm != tsk->active_mm) { - mmput(mm); - task_unlock(tsk); - return -EINVAL; - } - - /* ok, we are alone. No ptrace, no threads, etc. */ - old_mm = tsk->mm; - tsk->mm = tsk->active_mm = mm; - preempt_disable(); - update_mm(mm, tsk); - atomic_inc(&mm->context.attach_count); - atomic_dec(&old_mm->context.attach_count); - cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); - preempt_enable(); - task_unlock(tsk); - mmput(old_mm); - return 0; -} -EXPORT_SYMBOL_GPL(s390_enable_sie); - -#if defined(CONFIG_DEBUG_PAGEALLOC) && defined(CONFIG_HIBERNATION) -bool kernel_page_present(struct page *page) -{ - unsigned long addr; - int cc; - - addr = page_to_phys(page); - asm volatile( - " lra %1,0(%1)\n" - " ipm %0\n" - " srl %0,28" - : "=d" (cc), "+a" (addr) : : "cc"); - return cc == 0; -} -#endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */ diff --git a/ANDROID_3.4.5/arch/s390/mm/vmem.c b/ANDROID_3.4.5/arch/s390/mm/vmem.c deleted file mode 100644 index 4799383e..00000000 --- a/ANDROID_3.4.5/arch/s390/mm/vmem.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - * arch/s390/mm/vmem.c - * - * Copyright IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - */ - -#include <linux/bootmem.h> -#include <linux/pfn.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/list.h> -#include <linux/hugetlb.h> -#include <linux/slab.h> -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/setup.h> -#include <asm/tlbflush.h> -#include <asm/sections.h> - -static DEFINE_MUTEX(vmem_mutex); - -struct memory_segment { - struct list_head list; - unsigned long start; - unsigned long size; -}; - -static LIST_HEAD(mem_segs); - -static void __ref *vmem_alloc_pages(unsigned int order) -{ - if (slab_is_available()) - return (void *)__get_free_pages(GFP_KERNEL, order); - return alloc_bootmem_pages((1 << order) * PAGE_SIZE); -} - -static inline pud_t *vmem_pud_alloc(void) -{ - pud_t *pud = NULL; - -#ifdef CONFIG_64BIT - pud = vmem_alloc_pages(2); - if (!pud) - return NULL; - clear_table((unsigned long *) pud, _REGION3_ENTRY_EMPTY, PAGE_SIZE * 4); -#endif - return pud; -} - -static inline pmd_t *vmem_pmd_alloc(void) -{ - pmd_t *pmd = NULL; - -#ifdef CONFIG_64BIT - pmd = vmem_alloc_pages(2); - if (!pmd) - return NULL; - clear_table((unsigned long *) pmd, _SEGMENT_ENTRY_EMPTY, PAGE_SIZE * 4); -#endif - return pmd; -} - -static pte_t __ref *vmem_pte_alloc(unsigned long address) -{ - pte_t *pte; - - if (slab_is_available()) - pte = (pte_t *) page_table_alloc(&init_mm, address); - else - pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); - if (!pte) - return NULL; - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, - PTRS_PER_PTE * sizeof(pte_t)); - return pte; -} - -/* - * Add a physical memory range to the 1:1 mapping. - */ -static int vmem_add_mem(unsigned long start, unsigned long size, int ro) -{ - unsigned long address; - pgd_t *pg_dir; - pud_t *pu_dir; - pmd_t *pm_dir; - pte_t *pt_dir; - pte_t pte; - int ret = -ENOMEM; - - for (address = start; address < start + size; address += PAGE_SIZE) { - pg_dir = pgd_offset_k(address); - if (pgd_none(*pg_dir)) { - pu_dir = vmem_pud_alloc(); - if (!pu_dir) - goto out; - pgd_populate(&init_mm, pg_dir, pu_dir); - } - - pu_dir = pud_offset(pg_dir, address); - if (pud_none(*pu_dir)) { - pm_dir = vmem_pmd_alloc(); - if (!pm_dir) - goto out; - pud_populate(&init_mm, pu_dir, pm_dir); - } - - pte = mk_pte_phys(address, __pgprot(ro ? _PAGE_RO : 0)); - pm_dir = pmd_offset(pu_dir, address); - -#ifdef __s390x__ - if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && - (address + HPAGE_SIZE <= start + size) && - (address >= HPAGE_SIZE)) { - pte_val(pte) |= _SEGMENT_ENTRY_LARGE; - pmd_val(*pm_dir) = pte_val(pte); - address += HPAGE_SIZE - PAGE_SIZE; - continue; - } -#endif - if (pmd_none(*pm_dir)) { - pt_dir = vmem_pte_alloc(address); - if (!pt_dir) - goto out; - pmd_populate(&init_mm, pm_dir, pt_dir); - } - - pt_dir = pte_offset_kernel(pm_dir, address); - *pt_dir = pte; - } - ret = 0; -out: - flush_tlb_kernel_range(start, start + size); - return ret; -} - -/* - * Remove a physical memory range from the 1:1 mapping. - * Currently only invalidates page table entries. - */ -static void vmem_remove_range(unsigned long start, unsigned long size) -{ - unsigned long address; - pgd_t *pg_dir; - pud_t *pu_dir; - pmd_t *pm_dir; - pte_t *pt_dir; - pte_t pte; - - pte_val(pte) = _PAGE_TYPE_EMPTY; - for (address = start; address < start + size; address += PAGE_SIZE) { - pg_dir = pgd_offset_k(address); - pu_dir = pud_offset(pg_dir, address); - if (pud_none(*pu_dir)) - continue; - pm_dir = pmd_offset(pu_dir, address); - if (pmd_none(*pm_dir)) - continue; - - if (pmd_huge(*pm_dir)) { - pmd_clear(pm_dir); - address += HPAGE_SIZE - PAGE_SIZE; - continue; - } - - pt_dir = pte_offset_kernel(pm_dir, address); - *pt_dir = pte; - } - flush_tlb_kernel_range(start, start + size); -} - -/* - * Add a backed mem_map array to the virtual mem_map array. - */ -int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node) -{ - unsigned long address, start_addr, end_addr; - pgd_t *pg_dir; - pud_t *pu_dir; - pmd_t *pm_dir; - pte_t *pt_dir; - pte_t pte; - int ret = -ENOMEM; - - start_addr = (unsigned long) start; - end_addr = (unsigned long) (start + nr); - - for (address = start_addr; address < end_addr; address += PAGE_SIZE) { - pg_dir = pgd_offset_k(address); - if (pgd_none(*pg_dir)) { - pu_dir = vmem_pud_alloc(); - if (!pu_dir) - goto out; - pgd_populate(&init_mm, pg_dir, pu_dir); - } - - pu_dir = pud_offset(pg_dir, address); - if (pud_none(*pu_dir)) { - pm_dir = vmem_pmd_alloc(); - if (!pm_dir) - goto out; - pud_populate(&init_mm, pu_dir, pm_dir); - } - - pm_dir = pmd_offset(pu_dir, address); - if (pmd_none(*pm_dir)) { - pt_dir = vmem_pte_alloc(address); - if (!pt_dir) - goto out; - pmd_populate(&init_mm, pm_dir, pt_dir); - } - - pt_dir = pte_offset_kernel(pm_dir, address); - if (pte_none(*pt_dir)) { - unsigned long new_page; - - new_page =__pa(vmem_alloc_pages(0)); - if (!new_page) - goto out; - pte = pfn_pte(new_page >> PAGE_SHIFT, PAGE_KERNEL); - *pt_dir = pte; - } - } - memset(start, 0, nr * sizeof(struct page)); - ret = 0; -out: - flush_tlb_kernel_range(start_addr, end_addr); - return ret; -} - -/* - * Add memory segment to the segment list if it doesn't overlap with - * an already present segment. - */ -static int insert_memory_segment(struct memory_segment *seg) -{ - struct memory_segment *tmp; - - if (seg->start + seg->size > VMEM_MAX_PHYS || - seg->start + seg->size < seg->start) - return -ERANGE; - - list_for_each_entry(tmp, &mem_segs, list) { - if (seg->start >= tmp->start + tmp->size) - continue; - if (seg->start + seg->size <= tmp->start) - continue; - return -ENOSPC; - } - list_add(&seg->list, &mem_segs); - return 0; -} - -/* - * Remove memory segment from the segment list. - */ -static void remove_memory_segment(struct memory_segment *seg) -{ - list_del(&seg->list); -} - -static void __remove_shared_memory(struct memory_segment *seg) -{ - remove_memory_segment(seg); - vmem_remove_range(seg->start, seg->size); -} - -int vmem_remove_mapping(unsigned long start, unsigned long size) -{ - struct memory_segment *seg; - int ret; - - mutex_lock(&vmem_mutex); - - ret = -ENOENT; - list_for_each_entry(seg, &mem_segs, list) { - if (seg->start == start && seg->size == size) - break; - } - - if (seg->start != start || seg->size != size) - goto out; - - ret = 0; - __remove_shared_memory(seg); - kfree(seg); -out: - mutex_unlock(&vmem_mutex); - return ret; -} - -int vmem_add_mapping(unsigned long start, unsigned long size) -{ - struct memory_segment *seg; - int ret; - - mutex_lock(&vmem_mutex); - ret = -ENOMEM; - seg = kzalloc(sizeof(*seg), GFP_KERNEL); - if (!seg) - goto out; - seg->start = start; - seg->size = size; - - ret = insert_memory_segment(seg); - if (ret) - goto out_free; - - ret = vmem_add_mem(start, size, 0); - if (ret) - goto out_remove; - goto out; - -out_remove: - __remove_shared_memory(seg); -out_free: - kfree(seg); -out: - mutex_unlock(&vmem_mutex); - return ret; -} - -/* - * map whole physical memory to virtual memory (identity mapping) - * we reserve enough space in the vmalloc area for vmemmap to hotplug - * additional memory segments. - */ -void __init vmem_map_init(void) -{ - unsigned long ro_start, ro_end; - unsigned long start, end; - int i; - - ro_start = ((unsigned long)&_stext) & PAGE_MASK; - ro_end = PFN_ALIGN((unsigned long)&_eshared); - for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { - if (memory_chunk[i].type == CHUNK_CRASHK || - memory_chunk[i].type == CHUNK_OLDMEM) - continue; - start = memory_chunk[i].addr; - end = memory_chunk[i].addr + memory_chunk[i].size; - if (start >= ro_end || end <= ro_start) - vmem_add_mem(start, end - start, 0); - else if (start >= ro_start && end <= ro_end) - vmem_add_mem(start, end - start, 1); - else if (start >= ro_start) { - vmem_add_mem(start, ro_end - start, 1); - vmem_add_mem(ro_end, end - ro_end, 0); - } else if (end < ro_end) { - vmem_add_mem(start, ro_start - start, 0); - vmem_add_mem(ro_start, end - ro_start, 1); - } else { - vmem_add_mem(start, ro_start - start, 0); - vmem_add_mem(ro_start, ro_end - ro_start, 1); - vmem_add_mem(ro_end, end - ro_end, 0); - } - } -} - -/* - * Convert memory chunk array to a memory segment list so there is a single - * list that contains both r/w memory and shared memory segments. - */ -static int __init vmem_convert_memory_chunk(void) -{ - struct memory_segment *seg; - int i; - - mutex_lock(&vmem_mutex); - for (i = 0; i < MEMORY_CHUNKS; i++) { - if (!memory_chunk[i].size) - continue; - if (memory_chunk[i].type == CHUNK_CRASHK || - memory_chunk[i].type == CHUNK_OLDMEM) - continue; - seg = kzalloc(sizeof(*seg), GFP_KERNEL); - if (!seg) - panic("Out of memory...\n"); - seg->start = memory_chunk[i].addr; - seg->size = memory_chunk[i].size; - insert_memory_segment(seg); - } - mutex_unlock(&vmem_mutex); - return 0; -} - -core_initcall(vmem_convert_memory_chunk); diff --git a/ANDROID_3.4.5/arch/s390/oprofile/Makefile b/ANDROID_3.4.5/arch/s390/oprofile/Makefile deleted file mode 100644 index 524c4b61..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -obj-$(CONFIG_OPROFILE) += oprofile.o - -DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ - oprof.o cpu_buffer.o buffer_sync.o \ - event_buffer.o oprofile_files.o \ - oprofilefs.o oprofile_stats.o \ - timer_int.o ) - -oprofile-y := $(DRIVER_OBJS) init.o backtrace.o -oprofile-$(CONFIG_64BIT) += hwsampler.o diff --git a/ANDROID_3.4.5/arch/s390/oprofile/backtrace.c b/ANDROID_3.4.5/arch/s390/oprofile/backtrace.c deleted file mode 100644 index bc4b84a3..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/backtrace.c +++ /dev/null @@ -1,79 +0,0 @@ -/** - * arch/s390/oprofile/backtrace.c - * - * S390 Version - * Copyright (C) 2005 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * Author(s): Andreas Krebbel <Andreas.Krebbel@de.ibm.com> - */ - -#include <linux/oprofile.h> - -#include <asm/processor.h> /* for struct stack_frame */ - -static unsigned long -__show_trace(unsigned int *depth, unsigned long sp, - unsigned long low, unsigned long high) -{ - struct stack_frame *sf; - struct pt_regs *regs; - - while (*depth) { - sp = sp & PSW_ADDR_INSN; - if (sp < low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); - - /* Follow the backchain. */ - while (*depth) { - low = sp; - sp = sf->back_chain & PSW_ADDR_INSN; - if (!sp) - break; - if (sp <= low || sp > high - sizeof(*sf)) - return sp; - sf = (struct stack_frame *) sp; - (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); - - } - - if (*depth == 0) - break; - - /* Zero backchain detected, check for interrupt frame. */ - sp = (unsigned long) (sf + 1); - if (sp <= low || sp > high - sizeof(*regs)) - return sp; - regs = (struct pt_regs *) sp; - (*depth)--; - oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); - low = sp; - sp = regs->gprs[15]; - } - return sp; -} - -void s390_backtrace(struct pt_regs * const regs, unsigned int depth) -{ - unsigned long head; - struct stack_frame* head_sf; - - if (user_mode (regs)) - return; - - head = regs->gprs[15]; - head_sf = (struct stack_frame*)head; - - if (!head_sf->back_chain) - return; - - head = head_sf->back_chain; - - head = __show_trace(&depth, head, S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack); - - __show_trace(&depth, head, S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE); -} diff --git a/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.c b/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.c deleted file mode 100644 index c6646de0..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.c +++ /dev/null @@ -1,1240 +0,0 @@ -/** - * arch/s390/oprofile/hwsampler.c - * - * Copyright IBM Corp. 2010 - * Author: Heinz Graalfs <graalfs@de.ibm.com> - */ - -#include <linux/kernel_stat.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/smp.h> -#include <linux/errno.h> -#include <linux/workqueue.h> -#include <linux/interrupt.h> -#include <linux/notifier.h> -#include <linux/cpu.h> -#include <linux/semaphore.h> -#include <linux/oom.h> -#include <linux/oprofile.h> - -#include <asm/facility.h> -#include <asm/cpu_mf.h> -#include <asm/irq.h> - -#include "hwsampler.h" -#include "op_counter.h" - -#define MAX_NUM_SDB 511 -#define MIN_NUM_SDB 1 - -#define ALERT_REQ_MASK 0x4000000000000000ul -#define BUFFER_FULL_MASK 0x8000000000000000ul - -DECLARE_PER_CPU(struct hws_cpu_buffer, sampler_cpu_buffer); - -struct hws_execute_parms { - void *buffer; - signed int rc; -}; - -DEFINE_PER_CPU(struct hws_cpu_buffer, sampler_cpu_buffer); -EXPORT_PER_CPU_SYMBOL(sampler_cpu_buffer); - -static DEFINE_MUTEX(hws_sem); -static DEFINE_MUTEX(hws_sem_oom); - -static unsigned char hws_flush_all; -static unsigned int hws_oom; -static struct workqueue_struct *hws_wq; - -static unsigned int hws_state; -enum { - HWS_INIT = 1, - HWS_DEALLOCATED, - HWS_STOPPED, - HWS_STARTED, - HWS_STOPPING }; - -/* set to 1 if called by kernel during memory allocation */ -static unsigned char oom_killer_was_active; -/* size of SDBT and SDB as of allocate API */ -static unsigned long num_sdbt = 100; -static unsigned long num_sdb = 511; -/* sampling interval (machine cycles) */ -static unsigned long interval; - -static unsigned long min_sampler_rate; -static unsigned long max_sampler_rate; - -static int ssctl(void *buffer) -{ - int cc; - - /* set in order to detect a program check */ - cc = 1; - - asm volatile( - "0: .insn s,0xB2870000,0(%1)\n" - "1: ipm %0\n" - " srl %0,28\n" - "2:\n" - EX_TABLE(0b, 2b) EX_TABLE(1b, 2b) - : "+d" (cc), "+a" (buffer) - : "m" (*((struct hws_ssctl_request_block *)buffer)) - : "cc", "memory"); - - return cc ? -EINVAL : 0 ; -} - -static int qsi(void *buffer) -{ - int cc; - cc = 1; - - asm volatile( - "0: .insn s,0xB2860000,0(%1)\n" - "1: lhi %0,0\n" - "2:\n" - EX_TABLE(0b, 2b) EX_TABLE(1b, 2b) - : "=d" (cc), "+a" (buffer) - : "m" (*((struct hws_qsi_info_block *)buffer)) - : "cc", "memory"); - - return cc ? -EINVAL : 0; -} - -static void execute_qsi(void *parms) -{ - struct hws_execute_parms *ep = parms; - - ep->rc = qsi(ep->buffer); -} - -static void execute_ssctl(void *parms) -{ - struct hws_execute_parms *ep = parms; - - ep->rc = ssctl(ep->buffer); -} - -static int smp_ctl_ssctl_stop(int cpu) -{ - int rc; - struct hws_execute_parms ep; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - cb->ssctl.es = 0; - cb->ssctl.cs = 0; - - ep.buffer = &cb->ssctl; - smp_call_function_single(cpu, execute_ssctl, &ep, 1); - rc = ep.rc; - if (rc) { - printk(KERN_ERR "hwsampler: CPU %d CPUMF SSCTL failed.\n", cpu); - dump_stack(); - } - - ep.buffer = &cb->qsi; - smp_call_function_single(cpu, execute_qsi, &ep, 1); - - if (cb->qsi.es || cb->qsi.cs) { - printk(KERN_EMERG "CPUMF sampling did not stop properly.\n"); - dump_stack(); - } - - return rc; -} - -static int smp_ctl_ssctl_deactivate(int cpu) -{ - int rc; - struct hws_execute_parms ep; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - cb->ssctl.es = 1; - cb->ssctl.cs = 0; - - ep.buffer = &cb->ssctl; - smp_call_function_single(cpu, execute_ssctl, &ep, 1); - rc = ep.rc; - if (rc) - printk(KERN_ERR "hwsampler: CPU %d CPUMF SSCTL failed.\n", cpu); - - ep.buffer = &cb->qsi; - smp_call_function_single(cpu, execute_qsi, &ep, 1); - - if (cb->qsi.cs) - printk(KERN_EMERG "CPUMF sampling was not set inactive.\n"); - - return rc; -} - -static int smp_ctl_ssctl_enable_activate(int cpu, unsigned long interval) -{ - int rc; - struct hws_execute_parms ep; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - cb->ssctl.h = 1; - cb->ssctl.tear = cb->first_sdbt; - cb->ssctl.dear = *(unsigned long *) cb->first_sdbt; - cb->ssctl.interval = interval; - cb->ssctl.es = 1; - cb->ssctl.cs = 1; - - ep.buffer = &cb->ssctl; - smp_call_function_single(cpu, execute_ssctl, &ep, 1); - rc = ep.rc; - if (rc) - printk(KERN_ERR "hwsampler: CPU %d CPUMF SSCTL failed.\n", cpu); - - ep.buffer = &cb->qsi; - smp_call_function_single(cpu, execute_qsi, &ep, 1); - if (ep.rc) - printk(KERN_ERR "hwsampler: CPU %d CPUMF QSI failed.\n", cpu); - - return rc; -} - -static int smp_ctl_qsi(int cpu) -{ - struct hws_execute_parms ep; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - ep.buffer = &cb->qsi; - smp_call_function_single(cpu, execute_qsi, &ep, 1); - - return ep.rc; -} - -static inline unsigned long *trailer_entry_ptr(unsigned long v) -{ - void *ret; - - ret = (void *)v; - ret += PAGE_SIZE; - ret -= sizeof(struct hws_trailer_entry); - - return (unsigned long *) ret; -} - -static void hws_ext_handler(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct hws_cpu_buffer *cb = &__get_cpu_var(sampler_cpu_buffer); - - if (!(param32 & CPU_MF_INT_SF_MASK)) - return; - - kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; - atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32); - - if (hws_wq) - queue_work(hws_wq, &cb->worker); -} - -static void worker(struct work_struct *work); - -static void add_samples_to_oprofile(unsigned cpu, unsigned long *, - unsigned long *dear); - -static void init_all_cpu_buffers(void) -{ - int cpu; - struct hws_cpu_buffer *cb; - - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - memset(cb, 0, sizeof(struct hws_cpu_buffer)); - } -} - -static int is_link_entry(unsigned long *s) -{ - return *s & 0x1ul ? 1 : 0; -} - -static unsigned long *get_next_sdbt(unsigned long *s) -{ - return (unsigned long *) (*s & ~0x1ul); -} - -static int prepare_cpu_buffers(void) -{ - int cpu; - int rc; - struct hws_cpu_buffer *cb; - - rc = 0; - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - atomic_set(&cb->ext_params, 0); - cb->worker_entry = 0; - cb->sample_overflow = 0; - cb->req_alert = 0; - cb->incorrect_sdbt_entry = 0; - cb->invalid_entry_address = 0; - cb->loss_of_sample_data = 0; - cb->sample_auth_change_alert = 0; - cb->finish = 0; - cb->oom = 0; - cb->stop_mode = 0; - } - - return rc; -} - -/* - * allocate_sdbt() - allocate sampler memory - * @cpu: the cpu for which sampler memory is allocated - * - * A 4K page is allocated for each requested SDBT. - * A maximum of 511 4K pages are allocated for the SDBs in each of the SDBTs. - * Set ALERT_REQ mask in each SDBs trailer. - * Returns zero if successful, <0 otherwise. - */ -static int allocate_sdbt(int cpu) -{ - int j, k, rc; - unsigned long *sdbt; - unsigned long sdb; - unsigned long *tail; - unsigned long *trailer; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - if (cb->first_sdbt) - return -EINVAL; - - sdbt = NULL; - tail = sdbt; - - for (j = 0; j < num_sdbt; j++) { - sdbt = (unsigned long *)get_zeroed_page(GFP_KERNEL); - - mutex_lock(&hws_sem_oom); - /* OOM killer might have been activated */ - barrier(); - if (oom_killer_was_active || !sdbt) { - if (sdbt) - free_page((unsigned long)sdbt); - - goto allocate_sdbt_error; - } - if (cb->first_sdbt == 0) - cb->first_sdbt = (unsigned long)sdbt; - - /* link current page to tail of chain */ - if (tail) - *tail = (unsigned long)(void *)sdbt + 1; - - mutex_unlock(&hws_sem_oom); - - for (k = 0; k < num_sdb; k++) { - /* get and set SDB page */ - sdb = get_zeroed_page(GFP_KERNEL); - - mutex_lock(&hws_sem_oom); - /* OOM killer might have been activated */ - barrier(); - if (oom_killer_was_active || !sdb) { - if (sdb) - free_page(sdb); - - goto allocate_sdbt_error; - } - *sdbt = sdb; - trailer = trailer_entry_ptr(*sdbt); - *trailer = ALERT_REQ_MASK; - sdbt++; - mutex_unlock(&hws_sem_oom); - } - tail = sdbt; - } - mutex_lock(&hws_sem_oom); - if (oom_killer_was_active) - goto allocate_sdbt_error; - - rc = 0; - if (tail) - *tail = (unsigned long) - ((void *)cb->first_sdbt) + 1; - -allocate_sdbt_exit: - mutex_unlock(&hws_sem_oom); - return rc; - -allocate_sdbt_error: - rc = -ENOMEM; - goto allocate_sdbt_exit; -} - -/* - * deallocate_sdbt() - deallocate all sampler memory - * - * For each online CPU all SDBT trees are deallocated. - * Returns the number of freed pages. - */ -static int deallocate_sdbt(void) -{ - int cpu; - int counter; - - counter = 0; - - for_each_online_cpu(cpu) { - unsigned long start; - unsigned long sdbt; - unsigned long *curr; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - if (!cb->first_sdbt) - continue; - - sdbt = cb->first_sdbt; - curr = (unsigned long *) sdbt; - start = sdbt; - - /* we'll free the SDBT after all SDBs are processed... */ - while (1) { - if (!*curr || !sdbt) - break; - - /* watch for link entry reset if found */ - if (is_link_entry(curr)) { - curr = get_next_sdbt(curr); - if (sdbt) - free_page(sdbt); - - /* we are done if we reach the start */ - if ((unsigned long) curr == start) - break; - else - sdbt = (unsigned long) curr; - } else { - /* process SDB pointer */ - if (*curr) { - free_page(*curr); - curr++; - } - } - counter++; - } - cb->first_sdbt = 0; - } - return counter; -} - -static int start_sampling(int cpu) -{ - int rc; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - rc = smp_ctl_ssctl_enable_activate(cpu, interval); - if (rc) { - printk(KERN_INFO "hwsampler: CPU %d ssctl failed.\n", cpu); - goto start_exit; - } - - rc = -EINVAL; - if (!cb->qsi.es) { - printk(KERN_INFO "hwsampler: CPU %d ssctl not enabled.\n", cpu); - goto start_exit; - } - - if (!cb->qsi.cs) { - printk(KERN_INFO "hwsampler: CPU %d ssctl not active.\n", cpu); - goto start_exit; - } - - printk(KERN_INFO - "hwsampler: CPU %d, CPUMF Sampling started, interval %lu.\n", - cpu, interval); - - rc = 0; - -start_exit: - return rc; -} - -static int stop_sampling(int cpu) -{ - unsigned long v; - int rc; - struct hws_cpu_buffer *cb; - - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - - cb = &per_cpu(sampler_cpu_buffer, cpu); - if (!rc && !cb->qsi.es) - printk(KERN_INFO "hwsampler: CPU %d, already stopped.\n", cpu); - - rc = smp_ctl_ssctl_stop(cpu); - if (rc) { - printk(KERN_INFO "hwsampler: CPU %d, ssctl stop error %d.\n", - cpu, rc); - goto stop_exit; - } - - printk(KERN_INFO "hwsampler: CPU %d, CPUMF Sampling stopped.\n", cpu); - -stop_exit: - v = cb->req_alert; - if (v) - printk(KERN_ERR "hwsampler: CPU %d CPUMF Request alert," - " count=%lu.\n", cpu, v); - - v = cb->loss_of_sample_data; - if (v) - printk(KERN_ERR "hwsampler: CPU %d CPUMF Loss of sample data," - " count=%lu.\n", cpu, v); - - v = cb->invalid_entry_address; - if (v) - printk(KERN_ERR "hwsampler: CPU %d CPUMF Invalid entry address," - " count=%lu.\n", cpu, v); - - v = cb->incorrect_sdbt_entry; - if (v) - printk(KERN_ERR - "hwsampler: CPU %d CPUMF Incorrect SDBT address," - " count=%lu.\n", cpu, v); - - v = cb->sample_auth_change_alert; - if (v) - printk(KERN_ERR - "hwsampler: CPU %d CPUMF Sample authorization change," - " count=%lu.\n", cpu, v); - - return rc; -} - -static int check_hardware_prerequisites(void) -{ - if (!test_facility(68)) - return -EOPNOTSUPP; - return 0; -} -/* - * hws_oom_callback() - the OOM callback function - * - * In case the callback is invoked during memory allocation for the - * hw sampler, all obtained memory is deallocated and a flag is set - * so main sampler memory allocation can exit with a failure code. - * In case the callback is invoked during sampling the hw sampler - * is deactivated for all CPUs. - */ -static int hws_oom_callback(struct notifier_block *nfb, - unsigned long dummy, void *parm) -{ - unsigned long *freed; - int cpu; - struct hws_cpu_buffer *cb; - - freed = parm; - - mutex_lock(&hws_sem_oom); - - if (hws_state == HWS_DEALLOCATED) { - /* during memory allocation */ - if (oom_killer_was_active == 0) { - oom_killer_was_active = 1; - *freed += deallocate_sdbt(); - } - } else { - int i; - cpu = get_cpu(); - cb = &per_cpu(sampler_cpu_buffer, cpu); - - if (!cb->oom) { - for_each_online_cpu(i) { - smp_ctl_ssctl_deactivate(i); - cb->oom = 1; - } - cb->finish = 1; - - printk(KERN_INFO - "hwsampler: CPU %d, OOM notify during CPUMF Sampling.\n", - cpu); - } - } - - mutex_unlock(&hws_sem_oom); - - return NOTIFY_OK; -} - -static struct notifier_block hws_oom_notifier = { - .notifier_call = hws_oom_callback -}; - -static int hws_cpu_callback(struct notifier_block *nfb, - unsigned long action, void *hcpu) -{ - /* We do not have sampler space available for all possible CPUs. - All CPUs should be online when hw sampling is activated. */ - return (hws_state <= HWS_DEALLOCATED) ? NOTIFY_OK : NOTIFY_BAD; -} - -static struct notifier_block hws_cpu_notifier = { - .notifier_call = hws_cpu_callback -}; - -/** - * hwsampler_deactivate() - set hardware sampling temporarily inactive - * @cpu: specifies the CPU to be set inactive. - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_deactivate(unsigned int cpu) -{ - /* - * Deactivate hw sampling temporarily and flush the buffer - * by pushing all the pending samples to oprofile buffer. - * - * This function can be called under one of the following conditions: - * Memory unmap, task is exiting. - */ - int rc; - struct hws_cpu_buffer *cb; - - rc = 0; - mutex_lock(&hws_sem); - - cb = &per_cpu(sampler_cpu_buffer, cpu); - if (hws_state == HWS_STARTED) { - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - if (cb->qsi.cs) { - rc = smp_ctl_ssctl_deactivate(cpu); - if (rc) { - printk(KERN_INFO - "hwsampler: CPU %d, CPUMF Deactivation failed.\n", cpu); - cb->finish = 1; - hws_state = HWS_STOPPING; - } else { - hws_flush_all = 1; - /* Add work to queue to read pending samples.*/ - queue_work_on(cpu, hws_wq, &cb->worker); - } - } - } - mutex_unlock(&hws_sem); - - if (hws_wq) - flush_workqueue(hws_wq); - - return rc; -} - -/** - * hwsampler_activate() - activate/resume hardware sampling which was deactivated - * @cpu: specifies the CPU to be set active. - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_activate(unsigned int cpu) -{ - /* - * Re-activate hw sampling. This should be called in pair with - * hwsampler_deactivate(). - */ - int rc; - struct hws_cpu_buffer *cb; - - rc = 0; - mutex_lock(&hws_sem); - - cb = &per_cpu(sampler_cpu_buffer, cpu); - if (hws_state == HWS_STARTED) { - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - if (!cb->qsi.cs) { - hws_flush_all = 0; - rc = smp_ctl_ssctl_enable_activate(cpu, interval); - if (rc) { - printk(KERN_ERR - "CPU %d, CPUMF activate sampling failed.\n", - cpu); - } - } - } - - mutex_unlock(&hws_sem); - - return rc; -} - -static int check_qsi_on_setup(void) -{ - int rc; - unsigned int cpu; - struct hws_cpu_buffer *cb; - - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - if (rc) - return -EOPNOTSUPP; - - if (!cb->qsi.as) { - printk(KERN_INFO "hwsampler: CPUMF sampling is not authorized.\n"); - return -EINVAL; - } - - if (cb->qsi.es) { - printk(KERN_WARNING "hwsampler: CPUMF is still enabled.\n"); - rc = smp_ctl_ssctl_stop(cpu); - if (rc) - return -EINVAL; - - printk(KERN_INFO - "CPU %d, CPUMF Sampling stopped now.\n", cpu); - } - } - return 0; -} - -static int check_qsi_on_start(void) -{ - unsigned int cpu; - int rc; - struct hws_cpu_buffer *cb; - - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - - if (!cb->qsi.as) - return -EINVAL; - - if (cb->qsi.es) - return -EINVAL; - - if (cb->qsi.cs) - return -EINVAL; - } - return 0; -} - -static void worker_on_start(unsigned int cpu) -{ - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - cb->worker_entry = cb->first_sdbt; -} - -static int worker_check_error(unsigned int cpu, int ext_params) -{ - int rc; - unsigned long *sdbt; - struct hws_cpu_buffer *cb; - - rc = 0; - cb = &per_cpu(sampler_cpu_buffer, cpu); - sdbt = (unsigned long *) cb->worker_entry; - - if (!sdbt || !*sdbt) - return -EINVAL; - - if (ext_params & CPU_MF_INT_SF_PRA) - cb->req_alert++; - - if (ext_params & CPU_MF_INT_SF_LSDA) - cb->loss_of_sample_data++; - - if (ext_params & CPU_MF_INT_SF_IAE) { - cb->invalid_entry_address++; - rc = -EINVAL; - } - - if (ext_params & CPU_MF_INT_SF_ISE) { - cb->incorrect_sdbt_entry++; - rc = -EINVAL; - } - - if (ext_params & CPU_MF_INT_SF_SACA) { - cb->sample_auth_change_alert++; - rc = -EINVAL; - } - - return rc; -} - -static void worker_on_finish(unsigned int cpu) -{ - int rc, i; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - if (cb->finish) { - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - if (cb->qsi.es) { - printk(KERN_INFO - "hwsampler: CPU %d, CPUMF Stop/Deactivate sampling.\n", - cpu); - rc = smp_ctl_ssctl_stop(cpu); - if (rc) - printk(KERN_INFO - "hwsampler: CPU %d, CPUMF Deactivation failed.\n", - cpu); - - for_each_online_cpu(i) { - if (i == cpu) - continue; - if (!cb->finish) { - cb->finish = 1; - queue_work_on(i, hws_wq, - &cb->worker); - } - } - } - } -} - -static void worker_on_interrupt(unsigned int cpu) -{ - unsigned long *sdbt; - unsigned char done; - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - sdbt = (unsigned long *) cb->worker_entry; - - done = 0; - /* do not proceed if stop was entered, - * forget the buffers not yet processed */ - while (!done && !cb->stop_mode) { - unsigned long *trailer; - struct hws_trailer_entry *te; - unsigned long *dear = 0; - - trailer = trailer_entry_ptr(*sdbt); - /* leave loop if no more work to do */ - if (!(*trailer & BUFFER_FULL_MASK)) { - done = 1; - if (!hws_flush_all) - continue; - } - - te = (struct hws_trailer_entry *)trailer; - cb->sample_overflow += te->overflow; - - add_samples_to_oprofile(cpu, sdbt, dear); - - /* reset trailer */ - xchg((unsigned char *) te, 0x40); - - /* advance to next sdb slot in current sdbt */ - sdbt++; - /* in case link bit is set use address w/o link bit */ - if (is_link_entry(sdbt)) - sdbt = get_next_sdbt(sdbt); - - cb->worker_entry = (unsigned long)sdbt; - } -} - -static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt, - unsigned long *dear) -{ - struct hws_data_entry *sample_data_ptr; - unsigned long *trailer; - - trailer = trailer_entry_ptr(*sdbt); - if (dear) { - if (dear > trailer) - return; - trailer = dear; - } - - sample_data_ptr = (struct hws_data_entry *)(*sdbt); - - while ((unsigned long *)sample_data_ptr < trailer) { - struct pt_regs *regs = NULL; - struct task_struct *tsk = NULL; - - /* - * Check sampling mode, 1 indicates basic (=customer) sampling - * mode. - */ - if (sample_data_ptr->def != 1) { - /* sample slot is not yet written */ - break; - } else { - /* make sure we don't use it twice, - * the next time the sampler will set it again */ - sample_data_ptr->def = 0; - } - - /* Get pt_regs. */ - if (sample_data_ptr->P == 1) { - /* userspace sample */ - unsigned int pid = sample_data_ptr->prim_asn; - if (!counter_config.user) - goto skip_sample; - rcu_read_lock(); - tsk = pid_task(find_vpid(pid), PIDTYPE_PID); - if (tsk) - regs = task_pt_regs(tsk); - rcu_read_unlock(); - } else { - /* kernelspace sample */ - if (!counter_config.kernel) - goto skip_sample; - regs = task_pt_regs(current); - } - - mutex_lock(&hws_sem); - oprofile_add_ext_hw_sample(sample_data_ptr->ia, regs, 0, - !sample_data_ptr->P, tsk); - mutex_unlock(&hws_sem); - skip_sample: - sample_data_ptr++; - } -} - -static void worker(struct work_struct *work) -{ - unsigned int cpu; - int ext_params; - struct hws_cpu_buffer *cb; - - cb = container_of(work, struct hws_cpu_buffer, worker); - cpu = smp_processor_id(); - ext_params = atomic_xchg(&cb->ext_params, 0); - - if (!cb->worker_entry) - worker_on_start(cpu); - - if (worker_check_error(cpu, ext_params)) - return; - - if (!cb->finish) - worker_on_interrupt(cpu); - - if (cb->finish) - worker_on_finish(cpu); -} - -/** - * hwsampler_allocate() - allocate memory for the hardware sampler - * @sdbt: number of SDBTs per online CPU (must be > 0) - * @sdb: number of SDBs per SDBT (minimum 1, maximum 511) - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_allocate(unsigned long sdbt, unsigned long sdb) -{ - int cpu, rc; - mutex_lock(&hws_sem); - - rc = -EINVAL; - if (hws_state != HWS_DEALLOCATED) - goto allocate_exit; - - if (sdbt < 1) - goto allocate_exit; - - if (sdb > MAX_NUM_SDB || sdb < MIN_NUM_SDB) - goto allocate_exit; - - num_sdbt = sdbt; - num_sdb = sdb; - - oom_killer_was_active = 0; - register_oom_notifier(&hws_oom_notifier); - - for_each_online_cpu(cpu) { - if (allocate_sdbt(cpu)) { - unregister_oom_notifier(&hws_oom_notifier); - goto allocate_error; - } - } - unregister_oom_notifier(&hws_oom_notifier); - if (oom_killer_was_active) - goto allocate_error; - - hws_state = HWS_STOPPED; - rc = 0; - -allocate_exit: - mutex_unlock(&hws_sem); - return rc; - -allocate_error: - rc = -ENOMEM; - printk(KERN_ERR "hwsampler: CPUMF Memory allocation failed.\n"); - goto allocate_exit; -} - -/** - * hwsampler_deallocate() - deallocate hardware sampler memory - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_deallocate(void) -{ - int rc; - - mutex_lock(&hws_sem); - - rc = -EINVAL; - if (hws_state != HWS_STOPPED) - goto deallocate_exit; - - measurement_alert_subclass_unregister(); - deallocate_sdbt(); - - hws_state = HWS_DEALLOCATED; - rc = 0; - -deallocate_exit: - mutex_unlock(&hws_sem); - - return rc; -} - -unsigned long hwsampler_query_min_interval(void) -{ - return min_sampler_rate; -} - -unsigned long hwsampler_query_max_interval(void) -{ - return max_sampler_rate; -} - -unsigned long hwsampler_get_sample_overflow_count(unsigned int cpu) -{ - struct hws_cpu_buffer *cb; - - cb = &per_cpu(sampler_cpu_buffer, cpu); - - return cb->sample_overflow; -} - -int hwsampler_setup(void) -{ - int rc; - int cpu; - struct hws_cpu_buffer *cb; - - mutex_lock(&hws_sem); - - rc = -EINVAL; - if (hws_state) - goto setup_exit; - - hws_state = HWS_INIT; - - init_all_cpu_buffers(); - - rc = check_hardware_prerequisites(); - if (rc) - goto setup_exit; - - rc = check_qsi_on_setup(); - if (rc) - goto setup_exit; - - rc = -EINVAL; - hws_wq = create_workqueue("hwsampler"); - if (!hws_wq) - goto setup_exit; - - register_cpu_notifier(&hws_cpu_notifier); - - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - INIT_WORK(&cb->worker, worker); - rc = smp_ctl_qsi(cpu); - WARN_ON(rc); - if (min_sampler_rate != cb->qsi.min_sampl_rate) { - if (min_sampler_rate) { - printk(KERN_WARNING - "hwsampler: different min sampler rate values.\n"); - if (min_sampler_rate < cb->qsi.min_sampl_rate) - min_sampler_rate = - cb->qsi.min_sampl_rate; - } else - min_sampler_rate = cb->qsi.min_sampl_rate; - } - if (max_sampler_rate != cb->qsi.max_sampl_rate) { - if (max_sampler_rate) { - printk(KERN_WARNING - "hwsampler: different max sampler rate values.\n"); - if (max_sampler_rate > cb->qsi.max_sampl_rate) - max_sampler_rate = - cb->qsi.max_sampl_rate; - } else - max_sampler_rate = cb->qsi.max_sampl_rate; - } - } - register_external_interrupt(0x1407, hws_ext_handler); - - hws_state = HWS_DEALLOCATED; - rc = 0; - -setup_exit: - mutex_unlock(&hws_sem); - return rc; -} - -int hwsampler_shutdown(void) -{ - int rc; - - mutex_lock(&hws_sem); - - rc = -EINVAL; - if (hws_state == HWS_DEALLOCATED || hws_state == HWS_STOPPED) { - mutex_unlock(&hws_sem); - - if (hws_wq) - flush_workqueue(hws_wq); - - mutex_lock(&hws_sem); - - if (hws_state == HWS_STOPPED) { - measurement_alert_subclass_unregister(); - deallocate_sdbt(); - } - if (hws_wq) { - destroy_workqueue(hws_wq); - hws_wq = NULL; - } - - unregister_external_interrupt(0x1407, hws_ext_handler); - hws_state = HWS_INIT; - rc = 0; - } - mutex_unlock(&hws_sem); - - unregister_cpu_notifier(&hws_cpu_notifier); - - return rc; -} - -/** - * hwsampler_start_all() - start hardware sampling on all online CPUs - * @rate: specifies the used interval when samples are taken - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_start_all(unsigned long rate) -{ - int rc, cpu; - - mutex_lock(&hws_sem); - - hws_oom = 0; - - rc = -EINVAL; - if (hws_state != HWS_STOPPED) - goto start_all_exit; - - interval = rate; - - /* fail if rate is not valid */ - if (interval < min_sampler_rate || interval > max_sampler_rate) - goto start_all_exit; - - rc = check_qsi_on_start(); - if (rc) - goto start_all_exit; - - rc = prepare_cpu_buffers(); - if (rc) - goto start_all_exit; - - for_each_online_cpu(cpu) { - rc = start_sampling(cpu); - if (rc) - break; - } - if (rc) { - for_each_online_cpu(cpu) { - stop_sampling(cpu); - } - goto start_all_exit; - } - hws_state = HWS_STARTED; - rc = 0; - -start_all_exit: - mutex_unlock(&hws_sem); - - if (rc) - return rc; - - register_oom_notifier(&hws_oom_notifier); - hws_oom = 1; - hws_flush_all = 0; - /* now let them in, 1407 CPUMF external interrupts */ - measurement_alert_subclass_register(); - - return 0; -} - -/** - * hwsampler_stop_all() - stop hardware sampling on all online CPUs - * - * Returns 0 on success, !0 on failure. - */ -int hwsampler_stop_all(void) -{ - int tmp_rc, rc, cpu; - struct hws_cpu_buffer *cb; - - mutex_lock(&hws_sem); - - rc = 0; - if (hws_state == HWS_INIT) { - mutex_unlock(&hws_sem); - return rc; - } - hws_state = HWS_STOPPING; - mutex_unlock(&hws_sem); - - for_each_online_cpu(cpu) { - cb = &per_cpu(sampler_cpu_buffer, cpu); - cb->stop_mode = 1; - tmp_rc = stop_sampling(cpu); - if (tmp_rc) - rc = tmp_rc; - } - - if (hws_wq) - flush_workqueue(hws_wq); - - mutex_lock(&hws_sem); - if (hws_oom) { - unregister_oom_notifier(&hws_oom_notifier); - hws_oom = 0; - } - hws_state = HWS_STOPPED; - mutex_unlock(&hws_sem); - - return rc; -} diff --git a/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.h b/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.h deleted file mode 100644 index 1912f3bb..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/hwsampler.h +++ /dev/null @@ -1,113 +0,0 @@ -/* - * CPUMF HW sampler functions and internal structures - * - * Copyright IBM Corp. 2010 - * Author(s): Heinz Graalfs <graalfs@de.ibm.com> - */ - -#ifndef HWSAMPLER_H_ -#define HWSAMPLER_H_ - -#include <linux/workqueue.h> - -struct hws_qsi_info_block /* QUERY SAMPLING information block */ -{ /* Bit(s) */ - unsigned int b0_13:14; /* 0-13: zeros */ - unsigned int as:1; /* 14: sampling authorisation control*/ - unsigned int b15_21:7; /* 15-21: zeros */ - unsigned int es:1; /* 22: sampling enable control */ - unsigned int b23_29:7; /* 23-29: zeros */ - unsigned int cs:1; /* 30: sampling activation control */ - unsigned int:1; /* 31: reserved */ - unsigned int bsdes:16; /* 4-5: size of sampling entry */ - unsigned int:16; /* 6-7: reserved */ - unsigned long min_sampl_rate; /* 8-15: minimum sampling interval */ - unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/ - unsigned long tear; /* 24-31: TEAR contents */ - unsigned long dear; /* 32-39: DEAR contents */ - unsigned int rsvrd0; /* 40-43: reserved */ - unsigned int cpu_speed; /* 44-47: CPU speed */ - unsigned long long rsvrd1; /* 48-55: reserved */ - unsigned long long rsvrd2; /* 56-63: reserved */ -}; - -struct hws_ssctl_request_block /* SET SAMPLING CONTROLS req block */ -{ /* bytes 0 - 7 Bit(s) */ - unsigned int s:1; /* 0: maximum buffer indicator */ - unsigned int h:1; /* 1: part. level reserved for VM use*/ - unsigned long b2_53:52; /* 2-53: zeros */ - unsigned int es:1; /* 54: sampling enable control */ - unsigned int b55_61:7; /* 55-61: - zeros */ - unsigned int cs:1; /* 62: sampling activation control */ - unsigned int b63:1; /* 63: zero */ - unsigned long interval; /* 8-15: sampling interval */ - unsigned long tear; /* 16-23: TEAR contents */ - unsigned long dear; /* 24-31: DEAR contents */ - /* 32-63: */ - unsigned long rsvrd1; /* reserved */ - unsigned long rsvrd2; /* reserved */ - unsigned long rsvrd3; /* reserved */ - unsigned long rsvrd4; /* reserved */ -}; - -struct hws_cpu_buffer { - unsigned long first_sdbt; /* @ of 1st SDB-Table for this CP*/ - unsigned long worker_entry; - unsigned long sample_overflow; /* taken from SDB ... */ - struct hws_qsi_info_block qsi; - struct hws_ssctl_request_block ssctl; - struct work_struct worker; - atomic_t ext_params; - unsigned long req_alert; - unsigned long loss_of_sample_data; - unsigned long invalid_entry_address; - unsigned long incorrect_sdbt_entry; - unsigned long sample_auth_change_alert; - unsigned int finish:1; - unsigned int oom:1; - unsigned int stop_mode:1; -}; - -struct hws_data_entry { - unsigned int def:16; /* 0-15 Data Entry Format */ - unsigned int R:4; /* 16-19 reserved */ - unsigned int U:4; /* 20-23 Number of unique instruct. */ - unsigned int z:2; /* zeros */ - unsigned int T:1; /* 26 PSW DAT mode */ - unsigned int W:1; /* 27 PSW wait state */ - unsigned int P:1; /* 28 PSW Problem state */ - unsigned int AS:2; /* 29-30 PSW address-space control */ - unsigned int I:1; /* 31 entry valid or invalid */ - unsigned int:16; - unsigned int prim_asn:16; /* primary ASN */ - unsigned long long ia; /* Instruction Address */ - unsigned long long lpp; /* Logical-Partition Program Param. */ - unsigned long long vpp; /* Virtual-Machine Program Param. */ -}; - -struct hws_trailer_entry { - unsigned int f:1; /* 0 - Block Full Indicator */ - unsigned int a:1; /* 1 - Alert request control */ - unsigned long:62; /* 2 - 63: Reserved */ - unsigned long overflow; /* 64 - sample Overflow count */ - unsigned long timestamp; /* 16 - time-stamp */ - unsigned long timestamp1; /* */ - unsigned long reserved1; /* 32 -Reserved */ - unsigned long reserved2; /* */ - unsigned long progusage1; /* 48 - reserved for programming use */ - unsigned long progusage2; /* */ -}; - -int hwsampler_setup(void); -int hwsampler_shutdown(void); -int hwsampler_allocate(unsigned long sdbt, unsigned long sdb); -int hwsampler_deallocate(void); -unsigned long hwsampler_query_min_interval(void); -unsigned long hwsampler_query_max_interval(void); -int hwsampler_start_all(unsigned long interval); -int hwsampler_stop_all(void); -int hwsampler_deactivate(unsigned int cpu); -int hwsampler_activate(unsigned int cpu); -unsigned long hwsampler_get_sample_overflow_count(unsigned int cpu); - -#endif /*HWSAMPLER_H_*/ diff --git a/ANDROID_3.4.5/arch/s390/oprofile/init.c b/ANDROID_3.4.5/arch/s390/oprofile/init.c deleted file mode 100644 index 2297be40..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/init.c +++ /dev/null @@ -1,509 +0,0 @@ -/** - * arch/s390/oprofile/init.c - * - * S390 Version - * Copyright (C) 2002-2011 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) - * Author(s): Mahesh Salgaonkar (mahesh@linux.vnet.ibm.com) - * Author(s): Heinz Graalfs (graalfs@linux.vnet.ibm.com) - * Author(s): Andreas Krebbel (krebbel@linux.vnet.ibm.com) - * - * @remark Copyright 2002-2011 OProfile authors - */ - -#include <linux/oprofile.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/module.h> -#include <asm/processor.h> - -#include "../../../drivers/oprofile/oprof.h" - -extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth); - -#ifdef CONFIG_64BIT - -#include "hwsampler.h" -#include "op_counter.h" - -#define DEFAULT_INTERVAL 4127518 - -#define DEFAULT_SDBT_BLOCKS 1 -#define DEFAULT_SDB_BLOCKS 511 - -static unsigned long oprofile_hw_interval = DEFAULT_INTERVAL; -static unsigned long oprofile_min_interval; -static unsigned long oprofile_max_interval; - -static unsigned long oprofile_sdbt_blocks = DEFAULT_SDBT_BLOCKS; -static unsigned long oprofile_sdb_blocks = DEFAULT_SDB_BLOCKS; - -static int hwsampler_enabled; -static int hwsampler_running; /* start_mutex must be held to change */ -static int hwsampler_available; - -static struct oprofile_operations timer_ops; - -struct op_counter_config counter_config; - -enum __force_cpu_type { - reserved = 0, /* do not force */ - timer, -}; -static int force_cpu_type; - -static int set_cpu_type(const char *str, struct kernel_param *kp) -{ - if (!strcmp(str, "timer")) { - force_cpu_type = timer; - printk(KERN_INFO "oprofile: forcing timer to be returned " - "as cpu type\n"); - } else { - force_cpu_type = 0; - } - - return 0; -} -module_param_call(cpu_type, set_cpu_type, NULL, NULL, 0); -MODULE_PARM_DESC(cpu_type, "Force legacy basic mode sampling" - "(report cpu_type \"timer\""); - -static int oprofile_hwsampler_start(void) -{ - int retval; - - hwsampler_running = hwsampler_enabled; - - if (!hwsampler_running) - return timer_ops.start(); - - retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks); - if (retval) - return retval; - - retval = hwsampler_start_all(oprofile_hw_interval); - if (retval) - hwsampler_deallocate(); - - return retval; -} - -static void oprofile_hwsampler_stop(void) -{ - if (!hwsampler_running) { - timer_ops.stop(); - return; - } - - hwsampler_stop_all(); - hwsampler_deallocate(); - return; -} - -/* - * File ops used for: - * /dev/oprofile/0/enabled - * /dev/oprofile/hwsampling/hwsampler (cpu_type = timer) - */ - -static ssize_t hwsampler_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(hwsampler_enabled, buf, count, offset); -} - -static ssize_t hwsampler_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval <= 0) - return retval; - - if (val != 0 && val != 1) - return -EINVAL; - - if (oprofile_started) - /* - * save to do without locking as we set - * hwsampler_running in start() when start_mutex is - * held - */ - return -EBUSY; - - hwsampler_enabled = val; - - return count; -} - -static const struct file_operations hwsampler_fops = { - .read = hwsampler_read, - .write = hwsampler_write, -}; - -/* - * File ops used for: - * /dev/oprofile/0/count - * /dev/oprofile/hwsampling/hw_interval (cpu_type = timer) - * - * Make sure that the value is within the hardware range. - */ - -static ssize_t hw_interval_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(oprofile_hw_interval, buf, - count, offset); -} - -static ssize_t hw_interval_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) - return retval; - if (val < oprofile_min_interval) - oprofile_hw_interval = oprofile_min_interval; - else if (val > oprofile_max_interval) - oprofile_hw_interval = oprofile_max_interval; - else - oprofile_hw_interval = val; - - return count; -} - -static const struct file_operations hw_interval_fops = { - .read = hw_interval_read, - .write = hw_interval_write, -}; - -/* - * File ops used for: - * /dev/oprofile/0/event - * Only a single event with number 0 is supported with this counter. - * - * /dev/oprofile/0/unit_mask - * This is a dummy file needed by the user space tools. - * No value other than 0 is accepted or returned. - */ - -static ssize_t hwsampler_zero_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(0, buf, count, offset); -} - -static ssize_t hwsampler_zero_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) - return retval; - if (val != 0) - return -EINVAL; - return count; -} - -static const struct file_operations zero_fops = { - .read = hwsampler_zero_read, - .write = hwsampler_zero_write, -}; - -/* /dev/oprofile/0/kernel file ops. */ - -static ssize_t hwsampler_kernel_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(counter_config.kernel, - buf, count, offset); -} - -static ssize_t hwsampler_kernel_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) - return retval; - - if (val != 0 && val != 1) - return -EINVAL; - - counter_config.kernel = val; - - return count; -} - -static const struct file_operations kernel_fops = { - .read = hwsampler_kernel_read, - .write = hwsampler_kernel_write, -}; - -/* /dev/oprofile/0/user file ops. */ - -static ssize_t hwsampler_user_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(counter_config.user, - buf, count, offset); -} - -static ssize_t hwsampler_user_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) - return retval; - - if (val != 0 && val != 1) - return -EINVAL; - - counter_config.user = val; - - return count; -} - -static const struct file_operations user_fops = { - .read = hwsampler_user_read, - .write = hwsampler_user_write, -}; - - -/* - * File ops used for: /dev/oprofile/timer/enabled - * The value always has to be the inverted value of hwsampler_enabled. So - * no separate variable is created. That way we do not need locking. - */ - -static ssize_t timer_enabled_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) -{ - return oprofilefs_ulong_to_user(!hwsampler_enabled, buf, count, offset); -} - -static ssize_t timer_enabled_write(struct file *file, char const __user *buf, - size_t count, loff_t *offset) -{ - unsigned long val; - int retval; - - if (*offset) - return -EINVAL; - - retval = oprofilefs_ulong_from_user(&val, buf, count); - if (retval) - return retval; - - if (val != 0 && val != 1) - return -EINVAL; - - /* Timer cannot be disabled without having hardware sampling. */ - if (val == 0 && !hwsampler_available) - return -EINVAL; - - if (oprofile_started) - /* - * save to do without locking as we set - * hwsampler_running in start() when start_mutex is - * held - */ - return -EBUSY; - - hwsampler_enabled = !val; - - return count; -} - -static const struct file_operations timer_enabled_fops = { - .read = timer_enabled_read, - .write = timer_enabled_write, -}; - - -static int oprofile_create_hwsampling_files(struct super_block *sb, - struct dentry *root) -{ - struct dentry *dir; - - dir = oprofilefs_mkdir(sb, root, "timer"); - if (!dir) - return -EINVAL; - - oprofilefs_create_file(sb, dir, "enabled", &timer_enabled_fops); - - if (!hwsampler_available) - return 0; - - /* reinitialize default values */ - hwsampler_enabled = 1; - counter_config.kernel = 1; - counter_config.user = 1; - - if (!force_cpu_type) { - /* - * Create the counter file system. A single virtual - * counter is created which can be used to - * enable/disable hardware sampling dynamically from - * user space. The user space will configure a single - * counter with a single event. The value of 'event' - * and 'unit_mask' are not evaluated by the kernel code - * and can only be set to 0. - */ - - dir = oprofilefs_mkdir(sb, root, "0"); - if (!dir) - return -EINVAL; - - oprofilefs_create_file(sb, dir, "enabled", &hwsampler_fops); - oprofilefs_create_file(sb, dir, "event", &zero_fops); - oprofilefs_create_file(sb, dir, "count", &hw_interval_fops); - oprofilefs_create_file(sb, dir, "unit_mask", &zero_fops); - oprofilefs_create_file(sb, dir, "kernel", &kernel_fops); - oprofilefs_create_file(sb, dir, "user", &user_fops); - oprofilefs_create_ulong(sb, dir, "hw_sdbt_blocks", - &oprofile_sdbt_blocks); - - } else { - /* - * Hardware sampling can be used but the cpu_type is - * forced to timer in order to deal with legacy user - * space tools. The /dev/oprofile/hwsampling fs is - * provided in that case. - */ - dir = oprofilefs_mkdir(sb, root, "hwsampling"); - if (!dir) - return -EINVAL; - - oprofilefs_create_file(sb, dir, "hwsampler", - &hwsampler_fops); - oprofilefs_create_file(sb, dir, "hw_interval", - &hw_interval_fops); - oprofilefs_create_ro_ulong(sb, dir, "hw_min_interval", - &oprofile_min_interval); - oprofilefs_create_ro_ulong(sb, dir, "hw_max_interval", - &oprofile_max_interval); - oprofilefs_create_ulong(sb, dir, "hw_sdbt_blocks", - &oprofile_sdbt_blocks); - } - return 0; -} - -static int oprofile_hwsampler_init(struct oprofile_operations *ops) -{ - /* - * Initialize the timer mode infrastructure as well in order - * to be able to switch back dynamically. oprofile_timer_init - * is not supposed to fail. - */ - if (oprofile_timer_init(ops)) - BUG(); - - memcpy(&timer_ops, ops, sizeof(timer_ops)); - ops->create_files = oprofile_create_hwsampling_files; - - /* - * If the user space tools do not support newer cpu types, - * the force_cpu_type module parameter - * can be used to always return \"timer\" as cpu type. - */ - if (force_cpu_type != timer) { - struct cpuid id; - - get_cpu_id (&id); - - switch (id.machine) { - case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break; - case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break; - default: return -ENODEV; - } - } - - if (hwsampler_setup()) - return -ENODEV; - - /* - * Query the range for the sampling interval from the - * hardware. - */ - oprofile_min_interval = hwsampler_query_min_interval(); - if (oprofile_min_interval == 0) - return -ENODEV; - oprofile_max_interval = hwsampler_query_max_interval(); - if (oprofile_max_interval == 0) - return -ENODEV; - - /* The initial value should be sane */ - if (oprofile_hw_interval < oprofile_min_interval) - oprofile_hw_interval = oprofile_min_interval; - if (oprofile_hw_interval > oprofile_max_interval) - oprofile_hw_interval = oprofile_max_interval; - - printk(KERN_INFO "oprofile: System z hardware sampling " - "facility found.\n"); - - ops->start = oprofile_hwsampler_start; - ops->stop = oprofile_hwsampler_stop; - - return 0; -} - -static void oprofile_hwsampler_exit(void) -{ - hwsampler_shutdown(); -} - -#endif /* CONFIG_64BIT */ - -int __init oprofile_arch_init(struct oprofile_operations *ops) -{ - ops->backtrace = s390_backtrace; - -#ifdef CONFIG_64BIT - - /* - * -ENODEV is not reported to the caller. The module itself - * will use the timer mode sampling as fallback and this is - * always available. - */ - hwsampler_available = oprofile_hwsampler_init(ops) == 0; - - return 0; -#else - return -ENODEV; -#endif -} - -void oprofile_arch_exit(void) -{ -#ifdef CONFIG_64BIT - oprofile_hwsampler_exit(); -#endif -} diff --git a/ANDROID_3.4.5/arch/s390/oprofile/op_counter.h b/ANDROID_3.4.5/arch/s390/oprofile/op_counter.h deleted file mode 100644 index 1a8d3ca0..00000000 --- a/ANDROID_3.4.5/arch/s390/oprofile/op_counter.h +++ /dev/null @@ -1,23 +0,0 @@ -/** - * arch/s390/oprofile/op_counter.h - * - * Copyright (C) 2011 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Andreas Krebbel (krebbel@linux.vnet.ibm.com) - * - * @remark Copyright 2011 OProfile authors - */ - -#ifndef OP_COUNTER_H -#define OP_COUNTER_H - -struct op_counter_config { - /* `enabled' maps to the hwsampler_file variable. */ - /* `count' maps to the oprofile_hw_interval variable. */ - /* `event' and `unit_mask' are unused. */ - unsigned long kernel; - unsigned long user; -}; - -extern struct op_counter_config counter_config; - -#endif /* OP_COUNTER_H */ |