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