diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:20:30 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:21:47 -0700 |
| commit | d392da5207352f09030e95d9ea335a4225667ec0 (patch) | |
| tree | 7d6cd1932afcad0a5619a5c504a6d93ca318187c /arch/tile/include/asm/processor.h | |
| parent | e39d5ef678045d61812c1401f04fe8edb14d6359 (diff) | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'arch/tile/include/asm/processor.h')
| -rw-r--r-- | arch/tile/include/asm/processor.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index d942d09b252e..a9e7c8760334 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -103,6 +103,18 @@ struct thread_struct { /* Any other miscellaneous processor state bits */ unsigned long proc_status; #endif +#if !CHIP_HAS_FIXED_INTVEC_BASE() + /* Interrupt base for PL0 interrupts */ + unsigned long interrupt_vector_base; +#endif +#if CHIP_HAS_TILE_RTF_HWM() + /* Tile cache retry fifo high-water mark */ + unsigned long tile_rtf_hwm; +#endif +#if CHIP_HAS_DSTREAM_PF() + /* Data stream prefetch control */ + unsigned long dstream_pf; +#endif #ifdef CONFIG_HARDWALL /* Is this task tied to an activated hardwall? */ struct hardwall_info *hardwall; @@ -280,8 +292,18 @@ extern int kstack_hash; /* Are we using huge pages in the TLB for kernel data? */ extern int kdata_huge; +/* Support standard Linux prefetching. */ +#define ARCH_HAS_PREFETCH +#define prefetch(x) __builtin_prefetch(x) #define PREFETCH_STRIDE CHIP_L2_LINE_SIZE() +/* Bring a value into the L1D, faulting the TLB if necessary. */ +#ifdef __tilegx__ +#define prefetch_L1(x) __insn_prefetch_l1_fault((void *)(x)) +#else +#define prefetch_L1(x) __insn_prefetch_L1((void *)(x)) +#endif + #else /* __ASSEMBLY__ */ /* Do some slow action (e.g. read a slow SPR). */ @@ -316,18 +338,21 @@ extern int kdata_huge; * Note that assembly code assumes that USER_PL is zero. */ #define USER_PL 0 -#define KERNEL_PL 1 +#if CONFIG_KERNEL_PL == 2 +#define GUEST_PL 1 +#endif +#define KERNEL_PL CONFIG_KERNEL_PL -/* SYSTEM_SAVE_1_0 holds the current cpu number ORed with ksp0. */ +/* SYSTEM_SAVE_K_0 holds the current cpu number ORed with ksp0. */ #define CPU_LOG_MASK_VALUE 12 #define CPU_MASK_VALUE ((1 << CPU_LOG_MASK_VALUE) - 1) #if CONFIG_NR_CPUS > CPU_MASK_VALUE # error Too many cpus! #endif #define raw_smp_processor_id() \ - ((int)__insn_mfspr(SPR_SYSTEM_SAVE_1_0) & CPU_MASK_VALUE) + ((int)__insn_mfspr(SPR_SYSTEM_SAVE_K_0) & CPU_MASK_VALUE) #define get_current_ksp0() \ - (__insn_mfspr(SPR_SYSTEM_SAVE_1_0) & ~CPU_MASK_VALUE) + (__insn_mfspr(SPR_SYSTEM_SAVE_K_0) & ~CPU_MASK_VALUE) #define next_current_ksp0(task) ({ \ unsigned long __ksp0 = task_ksp0(task); \ int __cpu = raw_smp_processor_id(); \ |