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