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