/* * 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> extern void arch_local_irq_restore(unsigned long); extern unsigned long arch_local_irq_save(void); extern void arch_local_irq_enable(void); static inline unsigned long arch_local_save_flags(void) { unsigned long flags; asm volatile("rd %%psr, %0" : "=r" (flags)); return flags; } static inline void arch_local_irq_disable(void) { arch_local_irq_save(); } static inline bool arch_irqs_disabled_flags(unsigned long flags) { return (flags & PSR_PIL) != 0; } static inline bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } #endif /* (__ASSEMBLY__) */ #endif /* !(_ASM_IRQFLAGS_H) */