projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| de30a2b3 | 1 | /* |
| de30a2b3 | 2 | * IRQ flags handling |
| de30a2b3 IM |
3 | */ |
| 4 | #ifndef _ASM_IRQFLAGS_H | |
| 5 | #define _ASM_IRQFLAGS_H | |
| 6 | ||
| 945feb17 | 7 | #ifndef __ASSEMBLY__ |
| de30a2b3 IM |
8 | /* |
| 9 | * Get definitions for raw_local_save_flags(x), etc. | |
| 10 | */ | |
| b8b572e1 | 11 | #include <asm/hw_irq.h> |
| de30a2b3 | 12 | |
| 945feb17 BH |
13 | #else |
| 14 | #ifdef CONFIG_TRACE_IRQFLAGS | |
| de30a2b3 | 15 | /* |
| 945feb17 BH |
16 | * Most of the CPU's IRQ-state tracing is done from assembly code; we |
| 17 | * have to call a C function so call a wrapper that saves all the | |
| 18 | * C-clobbered registers. | |
| de30a2b3 | 19 | */ |
| 945feb17 BH |
20 | #define TRACE_ENABLE_INTS bl .trace_hardirqs_on |
| 21 | #define TRACE_DISABLE_INTS bl .trace_hardirqs_off | |
| 22 | #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ | |
| 22b8f9ee | 23 | cmpdi en,0; \ |
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24 | bne 95f; \ |
| 25 | stb en,PACASOFTIRQEN(r13); \ | |
| 26 | bl .trace_hardirqs_off; \ | |
| 27 | b skip; \ | |
| 28 | 95: bl .trace_hardirqs_on; \ | |
| 29 | li en,1; | |
| 30 | #define TRACE_AND_RESTORE_IRQ(en) \ | |
| 31 | TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ | |
| 22b8f9ee BH |
32 | stb en,PACASOFTIRQEN(r13); \ |
| 33 | 96: | |
| de30a2b3 | 34 | #else |
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35 | #define TRACE_ENABLE_INTS |
| 36 | #define TRACE_DISABLE_INTS | |
| 37 | #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) | |
| 38 | #define TRACE_AND_RESTORE_IRQ(en) \ | |
| 39 | stb en,PACASOFTIRQEN(r13) | |
| 40 | #endif | |
| de30a2b3 IM |
41 | #endif |
| 42 | ||
| 43 | #endif |