/* * include/asm-powerpc/irqflags.h * * IRQ flags handling */ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H #ifndef __ASSEMBLY__ /* * Get definitions for raw_local_save_flags(x), etc. */ #include <asm-powerpc/hw_irq.h> #else #ifdef CONFIG_TRACE_IRQFLAGS /* * Most of the CPU's IRQ-state tracing is done from assembly code; we * have to call a C function so call a wrapper that saves all the * C-clobbered registers. */ #define TRACE_ENABLE_INTS bl .trace_hardirqs_on #define TRACE_DISABLE_INTS bl .trace_hardirqs_off #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ cmpdi en, 0; \ bne 95f; \ stb en,PACASOFTIRQEN(r13); \ bl .trace_hardirqs_off; \ b skip; \ 95: bl .trace_hardirqs_on; \ li en,1; #define TRACE_AND_RESTORE_IRQ(en) \ TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ 96: stb en,PACASOFTIRQEN(r13) #else #define TRACE_ENABLE_INTS #define TRACE_DISABLE_INTS #define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) #define TRACE_AND_RESTORE_IRQ(en) \ stb en,PACASOFTIRQEN(r13) #endif #endif #endif