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/* 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) */