diff options
Diffstat (limited to 'include/asm-ppc64/processor.h')
| -rw-r--r-- | include/asm-ppc64/processor.h | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h index af28aa55d8c1..4146189006e3 100644 --- a/include/asm-ppc64/processor.h +++ b/include/asm-ppc64/processor.h @@ -20,6 +20,7 @@ #include <asm/ptrace.h> #include <asm/types.h> #include <asm/systemcfg.h> +#include <asm/cputable.h> /* Machine State Register (MSR) Fields */ #define MSR_SF_LG 63 /* Enable 64 bit mode */ @@ -267,6 +268,7 @@ #define PV_970FX 0x003C #define PV_630 0x0040 #define PV_630p 0x0041 +#define PV_970MP 0x0044 #define PV_BE 0x0070 /* Platforms supported by PPC64 */ @@ -309,6 +311,20 @@ name: \ .type GLUE(.,name),@function; \ GLUE(.,name): +#define _KPROBE(name) \ + .section ".kprobes.text","a"; \ + .align 2 ; \ + .globl name; \ + .globl GLUE(.,name); \ + .section ".opd","aw"; \ +name: \ + .quad GLUE(.,name); \ + .quad .TOC.@tocbase; \ + .quad 0; \ + .previous; \ + .type GLUE(.,name),@function; \ +GLUE(.,name): + #define _STATIC(name) \ .section ".text"; \ .align 2 ; \ @@ -381,8 +397,8 @@ extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); extern struct task_struct *last_task_used_math; extern struct task_struct *last_task_used_altivec; -/* 64-bit user address space is 41-bits (2TBs user VM) */ -#define TASK_SIZE_USER64 (0x0000020000000000UL) +/* 64-bit user address space is 44-bits (16TB user VM) */ +#define TASK_SIZE_USER64 (0x0000100000000000UL) /* * 32-bit user address space is 4GB - 1 page @@ -417,6 +433,7 @@ struct thread_struct { unsigned long start_tb; /* Start purr when proc switched in */ unsigned long accum_tb; /* Total accumilated purr for process */ unsigned long vdso_base; /* base of the vDSO library */ + unsigned long dabr; /* Data address breakpoint register */ #ifdef CONFIG_ALTIVEC /* Complete AltiVec register set */ vector128 vr[32] __attribute((aligned(16))); @@ -501,24 +518,37 @@ static inline void ppc64_runlatch_on(void) { unsigned long ctrl; - ctrl = mfspr(SPRN_CTRLF); - ctrl |= CTRL_RUNLATCH; - mtspr(SPRN_CTRLT, ctrl); + if (cpu_has_feature(CPU_FTR_CTRL)) { + ctrl = mfspr(SPRN_CTRLF); + ctrl |= CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + } } static inline void ppc64_runlatch_off(void) { unsigned long ctrl; - ctrl = mfspr(SPRN_CTRLF); - ctrl &= ~CTRL_RUNLATCH; - mtspr(SPRN_CTRLT, ctrl); + if (cpu_has_feature(CPU_FTR_CTRL)) { + ctrl = mfspr(SPRN_CTRLF); + ctrl &= ~CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + } } #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ +#ifdef __KERNEL__ +#define RUNLATCH_ON(REG) \ +BEGIN_FTR_SECTION \ + mfspr (REG),SPRN_CTRLF; \ + ori (REG),(REG),CTRL_RUNLATCH; \ + mtspr SPRN_CTRLT,(REG); \ +END_FTR_SECTION_IFSET(CPU_FTR_CTRL) +#endif + /* * Number of entries in the SLB. If this ever changes we should handle * it with a use a cpu feature fixup. |