1/* 2 * include/asm/irqflags.h 3 * 4 * IRQ flags handling 5 * 6 * This file gets included from lowlevel asm headers too, to provide 7 * wrapped versions of the local_irq_*() APIs, based on the 8 * arch_local_irq_*() functions from the lowlevel headers. 9 */ 10#ifndef _ASM_IRQFLAGS_H 11#define _ASM_IRQFLAGS_H 12 13#ifndef __ASSEMBLY__ 14 15#include <linux/types.h> 16#include <asm/psr.h> 17 18void arch_local_irq_restore(unsigned long); 19unsigned long arch_local_irq_save(void); 20void arch_local_irq_enable(void); 21 22static inline notrace unsigned long arch_local_save_flags(void) 23{ 24 unsigned long flags; 25 26 asm volatile("rd %%psr, %0" : "=r" (flags)); 27 return flags; 28} 29 30static inline notrace void arch_local_irq_disable(void) 31{ 32 arch_local_irq_save(); 33} 34 35static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) 36{ 37 return (flags & PSR_PIL) != 0; 38} 39 40static inline notrace bool arch_irqs_disabled(void) 41{ 42 return arch_irqs_disabled_flags(arch_local_save_flags()); 43} 44 45#endif /* (__ASSEMBLY__) */ 46 47#endif /* !(_ASM_IRQFLAGS_H) */ 48