diff options
Diffstat (limited to 'kernel/arch/sparc/include/asm/irqflags_32.h')
-rw-r--r-- | kernel/arch/sparc/include/asm/irqflags_32.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/kernel/arch/sparc/include/asm/irqflags_32.h b/kernel/arch/sparc/include/asm/irqflags_32.h new file mode 100644 index 000000000..71cc284f5 --- /dev/null +++ b/kernel/arch/sparc/include/asm/irqflags_32.h @@ -0,0 +1,47 @@ +/* + * include/asm/irqflags.h + * + * IRQ flags handling + * + * This file gets included from lowlevel asm headers too, to provide + * wrapped versions of the local_irq_*() APIs, based on the + * arch_local_irq_*() functions from the lowlevel headers. + */ +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <asm/psr.h> + +void arch_local_irq_restore(unsigned long); +unsigned long arch_local_irq_save(void); +void arch_local_irq_enable(void); + +static inline notrace unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + + asm volatile("rd %%psr, %0" : "=r" (flags)); + return flags; +} + +static inline notrace void arch_local_irq_disable(void) +{ + arch_local_irq_save(); +} + +static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & PSR_PIL) != 0; +} + +static inline notrace bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* (__ASSEMBLY__) */ + +#endif /* !(_ASM_IRQFLAGS_H) */ |