diff options
Diffstat (limited to 'arch/tile/include/asm/thread_info.h')
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index bc4f562bd459..7594764d8a69 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h | |||
| @@ -100,9 +100,14 @@ extern void cpu_idle_on_new_stack(struct thread_info *old_ti, | |||
| 100 | 100 | ||
| 101 | #else /* __ASSEMBLY__ */ | 101 | #else /* __ASSEMBLY__ */ |
| 102 | 102 | ||
| 103 | /* how to get the thread information struct from ASM */ | 103 | /* |
| 104 | * How to get the thread information struct from assembly. | ||
| 105 | * Note that we use different macros since different architectures | ||
| 106 | * have different semantics in their "mm" instruction and we would | ||
| 107 | * like to guarantee that the macro expands to exactly one instruction. | ||
| 108 | */ | ||
| 104 | #ifdef __tilegx__ | 109 | #ifdef __tilegx__ |
| 105 | #define GET_THREAD_INFO(reg) move reg, sp; mm reg, zero, LOG2_THREAD_SIZE, 63 | 110 | #define EXTRACT_THREAD_INFO(reg) mm reg, zero, LOG2_THREAD_SIZE, 63 |
| 106 | #else | 111 | #else |
| 107 | #define GET_THREAD_INFO(reg) mm reg, sp, zero, LOG2_THREAD_SIZE, 31 | 112 | #define GET_THREAD_INFO(reg) mm reg, sp, zero, LOG2_THREAD_SIZE, 31 |
| 108 | #endif | 113 | #endif |