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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f5e706ad | 2 | /* |
a439fe51 | 3 | * include/asm/irqflags.h |
f5e706ad SR |
4 | * |
5 | * IRQ flags handling | |
6 | * | |
7 | * This file gets included from lowlevel asm headers too, to provide | |
8 | * wrapped versions of the local_irq_*() APIs, based on the | |
df9ee292 | 9 | * arch_local_irq_*() functions from the lowlevel headers. |
f5e706ad SR |
10 | */ |
11 | #ifndef _ASM_IRQFLAGS_H | |
12 | #define _ASM_IRQFLAGS_H | |
13 | ||
14 | #ifndef __ASSEMBLY__ | |
15 | ||
df9ee292 | 16 | #include <linux/types.h> |
d550bbd4 | 17 | #include <asm/psr.h> |
f5e706ad | 18 | |
f05a6865 SR |
19 | void arch_local_irq_restore(unsigned long); |
20 | unsigned long arch_local_irq_save(void); | |
21 | void arch_local_irq_enable(void); | |
df9ee292 | 22 | |
18d85bc5 | 23 | static inline notrace unsigned long arch_local_save_flags(void) |
f5e706ad | 24 | { |
df9ee292 DH |
25 | unsigned long flags; |
26 | ||
27 | asm volatile("rd %%psr, %0" : "=r" (flags)); | |
28 | return flags; | |
29 | } | |
f5e706ad | 30 | |
18d85bc5 | 31 | static inline notrace void arch_local_irq_disable(void) |
df9ee292 DH |
32 | { |
33 | arch_local_irq_save(); | |
f5e706ad SR |
34 | } |
35 | ||
18d85bc5 | 36 | static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) |
df9ee292 DH |
37 | { |
38 | return (flags & PSR_PIL) != 0; | |
39 | } | |
f5e706ad | 40 | |
18d85bc5 | 41 | static inline notrace bool arch_irqs_disabled(void) |
f5e706ad | 42 | { |
df9ee292 | 43 | return arch_irqs_disabled_flags(arch_local_save_flags()); |
f5e706ad SR |
44 | } |
45 | ||
46 | #endif /* (__ASSEMBLY__) */ | |
47 | ||
48 | #endif /* !(_ASM_IRQFLAGS_H) */ |