diff options
Diffstat (limited to 'arch/parisc/include/asm/irqflags.h')
-rw-r--r-- | arch/parisc/include/asm/irqflags.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/irqflags.h b/arch/parisc/include/asm/irqflags.h new file mode 100644 index 000000000000..34f9cb9b4754 --- /dev/null +++ b/arch/parisc/include/asm/irqflags.h | |||
@@ -0,0 +1,46 @@ | |||
1 | #ifndef __PARISC_IRQFLAGS_H | ||
2 | #define __PARISC_IRQFLAGS_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | #include <asm/psw.h> | ||
6 | |||
7 | static inline unsigned long arch_local_save_flags(void) | ||
8 | { | ||
9 | unsigned long flags; | ||
10 | asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); | ||
11 | return flags; | ||
12 | } | ||
13 | |||
14 | static inline void arch_local_irq_disable(void) | ||
15 | { | ||
16 | asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
17 | } | ||
18 | |||
19 | static inline void arch_local_irq_enable(void) | ||
20 | { | ||
21 | asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
22 | } | ||
23 | |||
24 | static inline unsigned long arch_local_irq_save(void) | ||
25 | { | ||
26 | unsigned long flags; | ||
27 | asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); | ||
28 | return flags; | ||
29 | } | ||
30 | |||
31 | static inline void arch_local_irq_restore(unsigned long flags) | ||
32 | { | ||
33 | asm volatile("mtsm %0" : : "r" (flags) : "memory"); | ||
34 | } | ||
35 | |||
36 | static inline bool arch_irqs_disabled_flags(unsigned long flags) | ||
37 | { | ||
38 | return (flags & PSW_I) == 0; | ||
39 | } | ||
40 | |||
41 | static inline bool arch_irqs_disabled(void) | ||
42 | { | ||
43 | return arch_irqs_disabled_flags(arch_local_save_flags()); | ||
44 | } | ||
45 | |||
46 | #endif /* __PARISC_IRQFLAGS_H */ | ||