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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | #ifndef __ASM_GENERIC_IRQFLAGS_H |
3 | #define __ASM_GENERIC_IRQFLAGS_H |
4 | |
5 | /* |
6 | * All architectures should implement at least the first two functions, |
7 | * usually inline assembly will be the best way. |
8 | */ |
9 | #ifndef ARCH_IRQ_DISABLED |
10 | #define ARCH_IRQ_DISABLED 0 |
11 | #define ARCH_IRQ_ENABLED 1 |
12 | #endif |
13 | |
14 | /* read interrupt enabled status */ |
15 | #ifndef arch_local_save_flags |
16 | unsigned long arch_local_save_flags(void); |
17 | #endif |
18 | |
19 | /* set interrupt enabled status */ |
20 | #ifndef arch_local_irq_restore |
21 | void arch_local_irq_restore(unsigned long flags); |
22 | #endif |
23 | |
24 | /* get status and disable interrupts */ |
25 | #ifndef arch_local_irq_save |
26 | static inline unsigned long arch_local_irq_save(void) |
27 | { |
28 | unsigned long flags; |
29 | flags = arch_local_save_flags(); |
30 | arch_local_irq_restore(ARCH_IRQ_DISABLED); |
31 | return flags; |
32 | } |
33 | #endif |
34 | |
35 | /* test flags */ |
36 | #ifndef arch_irqs_disabled_flags |
37 | static inline int arch_irqs_disabled_flags(unsigned long flags) |
38 | { |
39 | return flags == ARCH_IRQ_DISABLED; |
40 | } |
41 | #endif |
42 | |
43 | /* unconditionally enable interrupts */ |
44 | #ifndef arch_local_irq_enable |
45 | static inline void arch_local_irq_enable(void) |
46 | { |
47 | arch_local_irq_restore(ARCH_IRQ_ENABLED); |
48 | } |
49 | #endif |
50 | |
51 | /* unconditionally disable interrupts */ |
52 | #ifndef arch_local_irq_disable |
53 | static inline void arch_local_irq_disable(void) |
54 | { |
55 | arch_local_irq_restore(ARCH_IRQ_DISABLED); |
56 | } |
57 | #endif |
58 | |
59 | /* test hardware interrupt enable bit */ |
60 | #ifndef arch_irqs_disabled |
61 | static inline int arch_irqs_disabled(void) |
62 | { |
63 | return arch_irqs_disabled_flags(arch_local_save_flags()); |
64 | } |
65 | #endif |
66 | |
67 | #endif /* __ASM_GENERIC_IRQFLAGS_H */ |
68 |
Warning: That file was not part of the compilation database. It may have many parsing errors.