diff options
Diffstat (limited to 'arch/powerpc/include/asm/irqflags.h')
| -rw-r--r-- | arch/powerpc/include/asm/irqflags.h | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h index b0b06d85788d..6f9b6e23dc5a 100644 --- a/arch/powerpc/include/asm/irqflags.h +++ b/arch/powerpc/include/asm/irqflags.h @@ -39,24 +39,31 @@ #define TRACE_ENABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on) #define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off) -#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip) \ - cmpdi en,0; \ - bne 95f; \ - stb en,PACASOFTIRQEN(r13); \ - TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off) \ - b skip; \ -95: TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on) \ - li en,1; -#define TRACE_AND_RESTORE_IRQ(en) \ - TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f); \ - stb en,PACASOFTIRQEN(r13); \ -96: +/* + * This is used by assembly code to soft-disable interrupts + */ +#define SOFT_DISABLE_INTS(__rA, __rB) \ + lbz __rA,PACASOFTIRQEN(r13); \ + lbz __rB,PACAIRQHAPPENED(r13); \ + cmpwi cr0,__rA,0; \ + li __rA,0; \ + ori __rB,__rB,PACA_IRQ_HARD_DIS; \ + stb __rB,PACAIRQHAPPENED(r13); \ + beq 44f; \ + stb __rA,PACASOFTIRQEN(r13); \ + TRACE_DISABLE_INTS; \ +44: + #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) + +#define SOFT_DISABLE_INTS(__rA, __rB) \ + lbz __rA,PACAIRQHAPPENED(r13); \ + li __rB,0; \ + ori __rA,__rA,PACA_IRQ_HARD_DIS; \ + stb __rB,PACASOFTIRQEN(r13); \ + stb __rA,PACAIRQHAPPENED(r13) #endif #endif |