/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef __ASM_GENERIC_IRQFLAGS_H
  #define __ASM_GENERIC_IRQFLAGS_H
  
  /*
   * All architectures should implement at least the first two functions,
   * usually inline assembly will be the best way.
   */

  #ifndef ARCH_IRQ_DISABLED
  #define ARCH_IRQ_DISABLED 0
  #define ARCH_IRQ_ENABLED 1

  #endif
  
  /* read interrupt enabled status */

  #ifndef arch_local_save_flags
  unsigned long arch_local_save_flags(void);

  #endif
  
  /* set interrupt enabled status */

  #ifndef arch_local_irq_restore
  void arch_local_irq_restore(unsigned long flags);

  #endif
  
  /* get status and disable interrupts */

  #ifndef arch_local_irq_save
  static inline unsigned long arch_local_irq_save(void)

  {
  	unsigned long flags;

  	flags = arch_local_save_flags();
  	arch_local_irq_restore(ARCH_IRQ_DISABLED);

  	return flags;
  }
  #endif
  
  /* test flags */

  #ifndef arch_irqs_disabled_flags
  static inline int arch_irqs_disabled_flags(unsigned long flags)

  {

  	return flags == ARCH_IRQ_DISABLED;

  }
  #endif
  
  /* unconditionally enable interrupts */

  #ifndef arch_local_irq_enable
  static inline void arch_local_irq_enable(void)

  {

  	arch_local_irq_restore(ARCH_IRQ_ENABLED);

  }
  #endif
  
  /* unconditionally disable interrupts */

  #ifndef arch_local_irq_disable
  static inline void arch_local_irq_disable(void)

  {

  	arch_local_irq_restore(ARCH_IRQ_DISABLED);

  }
  #endif
  
  /* test hardware interrupt enable bit */

  #ifndef arch_irqs_disabled
  static inline int arch_irqs_disabled(void)

  {

  	return arch_irqs_disabled_flags(arch_local_save_flags());

  }
  #endif

  #endif /* __ASM_GENERIC_IRQFLAGS_H */