diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/kernel/base.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/s390/kernel/base.S | 193 |
1 files changed, 0 insertions, 193 deletions
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 */ |