diff options
Diffstat (limited to '')
-rw-r--r-- | include/asm-mips/irqflags.h (renamed from include/asm-mips/interrupt.h) | 70 |
1 files changed, 37 insertions, 33 deletions
diff --git a/include/asm-mips/interrupt.h b/include/asm-mips/irqflags.h index a99d6867510f..43ca09a3a3d0 100644 --- a/include/asm-mips/interrupt.h +++ b/include/asm-mips/irqflags.h @@ -8,13 +8,15 @@ * Copyright (C) 1999 Silicon Graphics * Copyright (C) 2000 MIPS Technologies, Inc. */ -#ifndef _ASM_INTERRUPT_H -#define _ASM_INTERRUPT_H +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ #include <asm/hazards.h> __asm__ ( - " .macro local_irq_enable \n" + " .macro raw_local_irq_enable \n" " .set push \n" " .set reorder \n" " .set noat \n" @@ -35,10 +37,10 @@ __asm__ ( " .set pop \n" " .endm"); -static inline void local_irq_enable(void) +static inline void raw_local_irq_enable(void) { __asm__ __volatile__( - "local_irq_enable" + "raw_local_irq_enable" : /* no outputs */ : /* no inputs */ : "memory"); @@ -63,7 +65,7 @@ static inline void local_irq_enable(void) * Workaround: mask EXL bit of the result or place a nop before mfc0. */ __asm__ ( - " .macro local_irq_disable\n" + " .macro raw_local_irq_disable\n" " .set push \n" " .set noat \n" #ifdef CONFIG_MIPS_MT_SMTC @@ -84,17 +86,17 @@ __asm__ ( " .set pop \n" " .endm \n"); -static inline void local_irq_disable(void) +static inline void raw_local_irq_disable(void) { __asm__ __volatile__( - "local_irq_disable" + "raw_local_irq_disable" : /* no outputs */ : /* no inputs */ : "memory"); } __asm__ ( - " .macro local_save_flags flags \n" + " .macro raw_local_save_flags flags \n" " .set push \n" " .set reorder \n" #ifdef CONFIG_MIPS_MT_SMTC @@ -105,13 +107,13 @@ __asm__ ( " .set pop \n" " .endm \n"); -#define local_save_flags(x) \ +#define raw_local_save_flags(x) \ __asm__ __volatile__( \ - "local_save_flags %0" \ + "raw_local_save_flags %0" \ : "=r" (x)) __asm__ ( - " .macro local_irq_save result \n" + " .macro raw_local_irq_save result \n" " .set push \n" " .set reorder \n" " .set noat \n" @@ -135,15 +137,15 @@ __asm__ ( " .set pop \n" " .endm \n"); -#define local_irq_save(x) \ +#define raw_local_irq_save(x) \ __asm__ __volatile__( \ - "local_irq_save\t%0" \ + "raw_local_irq_save\t%0" \ : "=r" (x) \ : /* no inputs */ \ : "memory") __asm__ ( - " .macro local_irq_restore flags \n" + " .macro raw_local_irq_restore flags \n" " .set push \n" " .set noreorder \n" " .set noat \n" @@ -182,40 +184,42 @@ __asm__ ( " .set pop \n" " .endm \n"); -#define local_irq_restore(flags) \ +#define raw_local_irq_restore(flags) \ do { \ unsigned long __tmp1; \ \ __asm__ __volatile__( \ - "local_irq_restore\t%0" \ + "raw_local_irq_restore\t%0" \ : "=r" (__tmp1) \ : "0" (flags) \ : "memory"); \ } while(0) -static inline int irqs_disabled(void) +static inline int raw_irqs_disabled_flags(unsigned long flags) { #ifdef CONFIG_MIPS_MT_SMTC /* * SMTC model uses TCStatus.IXMT to disable interrupts for a thread/CPU */ - unsigned long __result; - - __asm__ __volatile__( - " .set noreorder \n" - " mfc0 %0, $2, 1 \n" - " andi %0, 0x400 \n" - " slt %0, $0, %0 \n" - " .set reorder \n" - : "=r" (__result)); - - return __result; + return flags & 0x400; #else - unsigned long flags; - local_save_flags(flags); - return !(flags & 1); #endif } -#endif /* _ASM_INTERRUPT_H */ +#endif + +/* + * Do the CPU's IRQ-state tracing from assembly code. + */ +#ifdef CONFIG_TRACE_IRQFLAGS +# define TRACE_IRQS_ON \ + jal trace_hardirqs_on +# define TRACE_IRQS_OFF \ + jal trace_hardirqs_off +#else +# define TRACE_IRQS_ON +# define TRACE_IRQS_OFF +#endif + +#endif /* _ASM_IRQFLAGS_H */ |