LXR linux/arch/parisc/include/asm/irqflags.h

   1#ifndef __PARISC_IRQFLAGS_H
   2#define __PARISC_IRQFLAGS_H
   3
   4#include <linux/types.h>
   5#include <asm/psw.h>
   6
   7static 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
  14static inline void arch_local_irq_disable(void)
  15{
  16        asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory");
  17}
  18
  19static inline void arch_local_irq_enable(void)
  20{
  21        asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory");
  22}
  23
  24static 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
  31static inline void arch_local_irq_restore(unsigned long flags)
  32{
  33        asm volatile("mtsm %0" : : "r" (flags) : "memory");
  34}
  35
  36static inline bool arch_irqs_disabled_flags(unsigned long flags)
  37{
  38        return (flags & PSW_I) == 0;
  39}
  40
  41static inline bool arch_irqs_disabled(void)
  42{
  43        return arch_irqs_disabled_flags(arch_local_save_flags());
  44}
  45
  46#endif /* __PARISC_IRQFLAGS_H */
  47