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df9ee292 DH |
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 */ |