diff options
Diffstat (limited to 'arch/cris/include/arch-v32/arch/irqflags.h')
-rw-r--r-- | arch/cris/include/arch-v32/arch/irqflags.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/irqflags.h b/arch/cris/include/arch-v32/arch/irqflags.h new file mode 100644 index 000000000000..041851f8ec6f --- /dev/null +++ b/arch/cris/include/arch-v32/arch/irqflags.h @@ -0,0 +1,46 @@ +#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H +#define __ASM_CRIS_ARCH_IRQFLAGS_H + +#include <linux/types.h> +#include <arch/ptrace.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("di" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ei" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("move %0,$ccs" : : "rm" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << I_CCS_BITNR)); +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ |