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f5e706ad SR |
1 | /* |
2 | * include/asm-sparc/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) */ |