diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/include/asm/irqflags.h | 67 | ||||
| -rw-r--r-- | arch/alpha/include/asm/system.h | 28 |
2 files changed, 67 insertions, 28 deletions
diff --git a/arch/alpha/include/asm/irqflags.h b/arch/alpha/include/asm/irqflags.h new file mode 100644 index 0000000..299bbc7 --- /dev/null +++ b/arch/alpha/include/asm/irqflags.h @@ -0,0 +1,67 @@ +#ifndef __ALPHA_IRQFLAGS_H +#define __ALPHA_IRQFLAGS_H + +#include <asm/system.h> + +#define IPL_MIN 0 +#define IPL_SW0 1 +#define IPL_SW1 2 +#define IPL_DEV0 3 +#define IPL_DEV1 4 +#define IPL_TIMER 5 +#define IPL_PERF 6 +#define IPL_POWERFAIL 6 +#define IPL_MCHECK 7 +#define IPL_MAX 7 + +#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK +#undef IPL_MIN +#define IPL_MIN __min_ipl +extern int __min_ipl; +#endif + +#define getipl() (rdps() & 7) +#define setipl(ipl) ((void) swpipl(ipl)) + +static inline unsigned long arch_local_save_flags(void) +{ + return rdps(); +} + +static inline void arch_local_irq_disable(void) +{ + setipl(IPL_MAX); + barrier(); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = swpipl(IPL_MAX); + barrier(); + return flags; +} + +static inline void arch_local_irq_enable(void) +{ + barrier(); + setipl(IPL_MIN); +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + barrier(); + setipl(flags); + barrier(); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return flags == IPL_MAX; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(getipl()); +} + +#endif /* __ALPHA_IRQFLAGS_H */ diff --git a/arch/alpha/include/asm/system.h b/arch/alpha/include/asm/system.h index 5aa40cc..9f78e69 100644 --- a/arch/alpha/include/asm/system.h +++ b/arch/alpha/include/asm/system.h @@ -259,34 +259,6 @@ __CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); __CALL_PAL_W1(wrusp, unsigned long); __CALL_PAL_W1(wrvptptr, unsigned long); -#define IPL_MIN 0 -#define IPL_SW0 1 -#define IPL_SW1 2 -#define IPL_DEV0 3 -#define IPL_DEV1 4 -#define IPL_TIMER 5 -#define IPL_PERF 6 -#define IPL_POWERFAIL 6 -#define IPL_MCHECK 7 -#define IPL_MAX 7 - -#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK -#undef IPL_MIN -#define IPL_MIN __min_ipl -extern int __min_ipl; -#endif - -#define getipl() (rdps() & 7) -#define setipl(ipl) ((void) swpipl(ipl)) - -#define local_irq_disable() do { setipl(IPL_MAX); barrier(); } while(0) -#define local_irq_enable() do { barrier(); setipl(IPL_MIN); } while(0) -#define local_save_flags(flags) ((flags) = rdps()) -#define local_irq_save(flags) do { (flags) = swpipl(IPL_MAX); barrier(); } while(0) -#define local_irq_restore(flags) do { barrier(); setipl(flags); barrier(); } while(0) - -#define irqs_disabled() (getipl() == IPL_MAX) - /* * TB routines.. */ |
