diff options
author | Pekka Enberg <penberg@kernel.org> | 2010-10-24 19:57:05 +0300 |
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committer | Pekka Enberg <penberg@kernel.org> | 2010-10-24 19:57:05 +0300 |
commit | 6d4121f6c20a0e86231d52f535f1c82423b3326f (patch) | |
tree | 5c235cac699ca86b504850aa663ddadde0455a61 /arch/h8300/include/asm/irqflags.h | |
parent | 92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff) | |
parent | 35da7a307c535f9c2929cae277f3df425c9f9b1e (diff) |
Merge branch 'master' into for-linus
Conflicts:
include/linux/percpu.h
mm/percpu.c
Diffstat (limited to 'arch/h8300/include/asm/irqflags.h')
-rw-r--r-- | arch/h8300/include/asm/irqflags.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/irqflags.h b/arch/h8300/include/asm/irqflags.h new file mode 100644 index 00000000000..9617cd57aeb --- /dev/null +++ b/arch/h8300/include/asm/irqflags.h @@ -0,0 +1,43 @@ +#ifndef _H8300_IRQFLAGS_H +#define _H8300_IRQFLAGS_H + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile ("stc ccr,%w0" : "=r" (flags)); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile ("orc #0x80,ccr" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile ("andc #0x7f,ccr" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & 0x80) == 0x80; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* _H8300_IRQFLAGS_H */ |