diff options
Diffstat (limited to 'include/asm-sparc64/processor.h')
| -rw-r--r-- | include/asm-sparc64/processor.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h index 66dd2fa0e31..48e74965c6e 100644 --- a/include/asm-sparc64/processor.h +++ b/include/asm-sparc64/processor.h @@ -36,7 +36,19 @@ #else #define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3)) #endif + #define TASK_SIZE ((unsigned long)-VPTE_SIZE) +#ifdef __KERNEL__ + +#define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) +#define STACK_TOP64 (0x0000080000000000UL - (1UL << 32UL)) + +#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \ + STACK_TOP32 : STACK_TOP64) + +#define STACK_TOP_MAX STACK_TOP64 + +#endif #ifndef __ASSEMBLY__ |