1b8b572e1SStephen Rothwell /* 2b8b572e1SStephen Rothwell * IRQ flags handling 3b8b572e1SStephen Rothwell */ 4b8b572e1SStephen Rothwell #ifndef _ASM_IRQFLAGS_H 5b8b572e1SStephen Rothwell #define _ASM_IRQFLAGS_H 6b8b572e1SStephen Rothwell 7b8b572e1SStephen Rothwell #ifndef __ASSEMBLY__ 8b8b572e1SStephen Rothwell /* 9b8b572e1SStephen Rothwell * Get definitions for raw_local_save_flags(x), etc. 10b8b572e1SStephen Rothwell */ 11b8b572e1SStephen Rothwell #include <asm/hw_irq.h> 12b8b572e1SStephen Rothwell 13b8b572e1SStephen Rothwell #else 14b8b572e1SStephen Rothwell #ifdef CONFIG_TRACE_IRQFLAGS 15b8b572e1SStephen Rothwell /* 16b8b572e1SStephen Rothwell * Most of the CPU's IRQ-state tracing is done from assembly code; we 17b8b572e1SStephen Rothwell * have to call a C function so call a wrapper that saves all the 18b8b572e1SStephen Rothwell * C-clobbered registers. 19b8b572e1SStephen Rothwell */ 20b8b572e1SStephen Rothwell #define TRACE_ENABLE_INTS bl .trace_hardirqs_on 21b8b572e1SStephen Rothwell #define TRACE_DISABLE_INTS bl .trace_hardirqs_off 22b8b572e1SStephen Rothwell #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ 23b8b572e1SStephen Rothwell cmpdi en, 0; \ 24b8b572e1SStephen Rothwell bne 95f; \ 25b8b572e1SStephen Rothwell stb en,PACASOFTIRQEN(r13); \ 26b8b572e1SStephen Rothwell bl .trace_hardirqs_off; \ 27b8b572e1SStephen Rothwell b skip; \ 28b8b572e1SStephen Rothwell 95: bl .trace_hardirqs_on; \ 29b8b572e1SStephen Rothwell li en,1; 30b8b572e1SStephen Rothwell #define TRACE_AND_RESTORE_IRQ(en) \ 31b8b572e1SStephen Rothwell TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ 32b8b572e1SStephen Rothwell 96: stb en,PACASOFTIRQEN(r13) 33b8b572e1SStephen Rothwell #else 34b8b572e1SStephen Rothwell #define TRACE_ENABLE_INTS 35b8b572e1SStephen Rothwell #define TRACE_DISABLE_INTS 36b8b572e1SStephen Rothwell #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) 37b8b572e1SStephen Rothwell #define TRACE_AND_RESTORE_IRQ(en) \ 38b8b572e1SStephen Rothwell stb en,PACASOFTIRQEN(r13) 39b8b572e1SStephen Rothwell #endif 40b8b572e1SStephen Rothwell #endif 41b8b572e1SStephen Rothwell 42b8b572e1SStephen Rothwell #endif 43