David Howells | df9ee29 | 2010-10-07 14:08:55 +0100 | [diff] [blame] | 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 */ |