arch/cris/include/arch-v32/arch/irqflags.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
   3 #define __ASM_CRIS_ARCH_IRQFLAGS_H
   4
   5 #include <linux/types.h>
   6 #include <asm/ptrace.h>
   7
   8 static inline unsigned long arch_local_save_flags(void)
   9 {
  10         unsigned long flags;
  11         asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory");
  12         return flags;
  13 }
  14
  15 static inline void arch_local_irq_disable(void)
  16 {
  17         asm volatile("di" : : : "memory");
  18 }
  19
  20 static inline void arch_local_irq_enable(void)
  21 {
  22         asm volatile("ei" : : : "memory");
  23 }
  24
  25 static inline unsigned long arch_local_irq_save(void)
  26 {
  27         unsigned long flags = arch_local_save_flags();
  28         arch_local_irq_disable();
  29         return flags;
  30 }
  31
  32 static inline void arch_local_irq_restore(unsigned long flags)
  33 {
  34         asm volatile("move %0,$ccs" : : "rm" (flags) : "memory");
  35 }
  36
  37 static inline bool arch_irqs_disabled_flags(unsigned long flags)
  38 {
  39         return !(flags & (1 << I_CCS_BITNR));
  40 }
  41
  42 static inline bool arch_irqs_disabled(void)
  43 {
  44         return arch_irqs_disabled_flags(arch_local_save_flags());
  45 }
  46
  47 #endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */