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