diff options
Diffstat (limited to 'arch/sparc/include/asm/irqflags_32.h')
-rw-r--r-- | arch/sparc/include/asm/irqflags_32.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h new file mode 100644 index 000000000000..0fca9d97d44f --- /dev/null +++ b/arch/sparc/include/asm/irqflags_32.h | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * include/asm/irqflags.h | ||
3 | * | ||
4 | * IRQ flags handling | ||
5 | * | ||
6 | * This file gets included from lowlevel asm headers too, to provide | ||
7 | * wrapped versions of the local_irq_*() APIs, based on the | ||
8 | * raw_local_irq_*() functions from the lowlevel headers. | ||
9 | */ | ||
10 | #ifndef _ASM_IRQFLAGS_H | ||
11 | #define _ASM_IRQFLAGS_H | ||
12 | |||
13 | #ifndef __ASSEMBLY__ | ||
14 | |||
15 | extern void raw_local_irq_restore(unsigned long); | ||
16 | extern unsigned long __raw_local_irq_save(void); | ||
17 | extern void raw_local_irq_enable(void); | ||
18 | |||
19 | static inline unsigned long getipl(void) | ||
20 | { | ||
21 | unsigned long retval; | ||
22 | |||
23 | __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); | ||
24 | return retval; | ||
25 | } | ||
26 | |||
27 | #define raw_local_save_flags(flags) ((flags) = getipl()) | ||
28 | #define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) | ||
29 | #define raw_local_irq_disable() ((void) __raw_local_irq_save()) | ||
30 | #define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) | ||
31 | |||
32 | static inline int raw_irqs_disabled_flags(unsigned long flags) | ||
33 | { | ||
34 | return ((flags & PSR_PIL) != 0); | ||
35 | } | ||
36 | |||
37 | #endif /* (__ASSEMBLY__) */ | ||
38 | |||
39 | #endif /* !(_ASM_IRQFLAGS_H) */ | ||