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