diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/include/asm/paca.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/include/asm/paca.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/include/asm/paca.h b/ANDROID_3.4.5/arch/powerpc/include/asm/paca.h deleted file mode 100644 index daf813fe..00000000 --- a/ANDROID_3.4.5/arch/powerpc/include/asm/paca.h +++ /dev/null @@ -1,183 +0,0 @@ -/* - * This control block defines the PACA which defines the processor - * specific data for each logical processor on the system. - * There are some pointers defined that are utilized by PLIC. - * - * C 2001 PPC 64 Team, IBM Corp - * - * 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 _ASM_POWERPC_PACA_H -#define _ASM_POWERPC_PACA_H -#ifdef __KERNEL__ - -#ifdef CONFIG_PPC64 - -#include <linux/init.h> -#include <asm/types.h> -#include <asm/lppaca.h> -#include <asm/mmu.h> -#include <asm/page.h> -#include <asm/exception-64e.h> -#ifdef CONFIG_KVM_BOOK3S_64_HANDLER -#include <asm/kvm_book3s_asm.h> -#endif - -register struct paca_struct *local_paca asm("r13"); - -#if defined(CONFIG_DEBUG_PREEMPT) && defined(CONFIG_SMP) -extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */ -/* - * Add standard checks that preemption cannot occur when using get_paca(): - * otherwise the paca_struct it points to may be the wrong one just after. - */ -#define get_paca() ((void) debug_smp_processor_id(), local_paca) -#else -#define get_paca() local_paca -#endif - -#define get_lppaca() (get_paca()->lppaca_ptr) -#define get_slb_shadow() (get_paca()->slb_shadow_ptr) - -struct task_struct; -struct opal_machine_check_event; - -/* - * Defines the layout of the paca. - * - * This structure is not directly accessed by firmware or the service - * processor. - */ -struct paca_struct { -#ifdef CONFIG_PPC_BOOK3S - /* - * Because hw_cpu_id, unlike other paca fields, is accessed - * routinely from other CPUs (from the IRQ code), we stick to - * read-only (after boot) fields in the first cacheline to - * avoid cacheline bouncing. - */ - - struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ -#endif /* CONFIG_PPC_BOOK3S */ - /* - * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c - * load lock_token and paca_index with a single lwz - * instruction. They must travel together and be properly - * aligned. - */ - u16 lock_token; /* Constant 0x8000, used in locks */ - u16 paca_index; /* Logical processor number */ - - u64 kernel_toc; /* Kernel TOC address */ - u64 kernelbase; /* Base address of kernel */ - u64 kernel_msr; /* MSR while running in kernel */ -#ifdef CONFIG_PPC_STD_MMU_64 - u64 stab_real; /* Absolute address of segment table */ - u64 stab_addr; /* Virtual address of segment table */ -#endif /* CONFIG_PPC_STD_MMU_64 */ - void *emergency_sp; /* pointer to emergency stack */ - u64 data_offset; /* per cpu data offset */ - s16 hw_cpu_id; /* Physical processor number */ - u8 cpu_start; /* At startup, processor spins until */ - /* this becomes non-zero. */ - u8 kexec_state; /* set when kexec down has irqs off */ -#ifdef CONFIG_PPC_STD_MMU_64 - struct slb_shadow *slb_shadow_ptr; - struct dtl_entry *dispatch_log; - struct dtl_entry *dispatch_log_end; - - /* - * Now, starting in cacheline 2, the exception save areas - */ - /* used for most interrupts/exceptions */ - u64 exgen[11] __attribute__((aligned(0x80))); - u64 exmc[11]; /* used for machine checks */ - u64 exslb[11]; /* used for SLB/segment table misses - * on the linear mapping */ - /* SLB related definitions */ - u16 vmalloc_sllp; - u16 slb_cache_ptr; - u16 slb_cache[SLB_CACHE_ENTRIES]; -#endif /* CONFIG_PPC_STD_MMU_64 */ - -#ifdef CONFIG_PPC_BOOK3E - u64 exgen[8] __attribute__((aligned(0x80))); - /* Keep pgd in the same cacheline as the start of extlb */ - pgd_t *pgd __attribute__((aligned(0x80))); /* Current PGD */ - pgd_t *kernel_pgd; /* Kernel PGD */ - /* We can have up to 3 levels of reentrancy in the TLB miss handler */ - u64 extlb[3][EX_TLB_SIZE / sizeof(u64)]; - u64 exmc[8]; /* used for machine checks */ - u64 excrit[8]; /* used for crit interrupts */ - u64 exdbg[8]; /* used for debug interrupts */ - - /* Kernel stack pointers for use by special exceptions */ - void *mc_kstack; - void *crit_kstack; - void *dbg_kstack; -#endif /* CONFIG_PPC_BOOK3E */ - - mm_context_t context; - - /* - * then miscellaneous read-write fields - */ - struct task_struct *__current; /* Pointer to current */ - u64 kstack; /* Saved Kernel stack addr */ - u64 stab_rr; /* stab/slb round-robin counter */ - u64 saved_r1; /* r1 save for RTAS calls or PM */ - u64 saved_msr; /* MSR saved here by enter_rtas */ - u16 trap_save; /* Used when bad stack is encountered */ - u8 soft_enabled; /* irq soft-enable flag */ - u8 irq_happened; /* irq happened while soft-disabled */ - u8 io_sync; /* writel() needs spin_unlock sync */ - u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ - u8 nap_state_lost; /* NV GPR values lost in power7_idle */ - -#ifdef CONFIG_PPC_POWERNV - /* Pointer to OPAL machine check event structure set by the - * early exception handler for use by high level C handler - */ - struct opal_machine_check_event *opal_mc_evt; -#endif - - /* Stuff for accurate time accounting */ - u64 user_time; /* accumulated usermode TB ticks */ - u64 system_time; /* accumulated system TB ticks */ - u64 user_time_scaled; /* accumulated usermode SPURR ticks */ - u64 starttime; /* TB value snapshot */ - u64 starttime_user; /* TB value on exit to usermode */ - u64 startspurr; /* SPURR value snapshot */ - u64 utime_sspurr; /* ->user_time when ->startspurr set */ - u64 stolen_time; /* TB ticks taken by hypervisor */ - u64 dtl_ridx; /* read index in dispatch log */ - struct dtl_entry *dtl_curr; /* pointer corresponding to dtl_ridx */ - -#ifdef CONFIG_KVM_BOOK3S_HANDLER -#ifdef CONFIG_KVM_BOOK3S_PR - /* We use this to store guest state in */ - struct kvmppc_book3s_shadow_vcpu shadow_vcpu; -#endif - struct kvmppc_host_state kvm_hstate; -#endif -}; - -extern struct paca_struct *paca; -extern __initdata struct paca_struct boot_paca; -extern void initialise_paca(struct paca_struct *new_paca, int cpu); -extern void setup_paca(struct paca_struct *new_paca); -extern void allocate_pacas(void); -extern void free_unused_pacas(void); - -#else /* CONFIG_PPC64 */ - -static inline void allocate_pacas(void) { }; -static inline void free_unused_pacas(void) { }; - -#endif /* CONFIG_PPC64 */ - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_PACA_H */ |