diff options
Diffstat (limited to 'arch/sh/include/asm/mmu_context.h')
| -rw-r--r-- | arch/sh/include/asm/mmu_context.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h index 5d9157bd474d..2a9c55f1a83f 100644 --- a/arch/sh/include/asm/mmu_context.h +++ b/arch/sh/include/asm/mmu_context.h | |||
| @@ -19,13 +19,18 @@ | |||
| 19 | * (a) TLB cache version (or round, cycle whatever expression you like) | 19 | * (a) TLB cache version (or round, cycle whatever expression you like) |
| 20 | * (b) ASID (Address Space IDentifier) | 20 | * (b) ASID (Address Space IDentifier) |
| 21 | */ | 21 | */ |
| 22 | #ifdef CONFIG_CPU_HAS_PTEAEX | ||
| 23 | #define MMU_CONTEXT_ASID_MASK 0x0000ffff | ||
| 24 | #else | ||
| 22 | #define MMU_CONTEXT_ASID_MASK 0x000000ff | 25 | #define MMU_CONTEXT_ASID_MASK 0x000000ff |
| 23 | #define MMU_CONTEXT_VERSION_MASK 0xffffff00 | 26 | #endif |
| 24 | #define MMU_CONTEXT_FIRST_VERSION 0x00000100 | ||
| 25 | #define NO_CONTEXT 0UL | ||
| 26 | 27 | ||
| 27 | /* ASID is 8-bit value, so it can't be 0x100 */ | 28 | #define MMU_CONTEXT_VERSION_MASK (~0UL & ~MMU_CONTEXT_ASID_MASK) |
| 28 | #define MMU_NO_ASID 0x100 | 29 | #define MMU_CONTEXT_FIRST_VERSION (MMU_CONTEXT_ASID_MASK + 1) |
| 30 | |||
| 31 | /* Impossible ASID value, to differentiate from NO_CONTEXT. */ | ||
| 32 | #define MMU_NO_ASID MMU_CONTEXT_FIRST_VERSION | ||
| 33 | #define NO_CONTEXT 0UL | ||
| 29 | 34 | ||
| 30 | #define asid_cache(cpu) (cpu_data[cpu].asid_cache) | 35 | #define asid_cache(cpu) (cpu_data[cpu].asid_cache) |
| 31 | 36 | ||
