Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
df9ee292 DH |
2 | #ifndef __PARISC_IRQFLAGS_H |
3 | #define __PARISC_IRQFLAGS_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <asm/psw.h> | |
7 | ||
8 | static inline unsigned long arch_local_save_flags(void) | |
9 | { | |
10 | unsigned long flags; | |
11 | asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); | |
12 | return flags; | |
13 | } | |
14 | ||
15 | static inline void arch_local_irq_disable(void) | |
16 | { | |
17 | asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | |
18 | } | |
19 | ||
20 | static inline void arch_local_irq_enable(void) | |
21 | { | |
22 | asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | |
23 | } | |
24 | ||
25 | static inline unsigned long arch_local_irq_save(void) | |
26 | { | |
27 | unsigned long flags; | |
28 | asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); | |
29 | return flags; | |
30 | } | |
31 | ||
32 | static inline void arch_local_irq_restore(unsigned long flags) | |
33 | { | |
34 | asm volatile("mtsm %0" : : "r" (flags) : "memory"); | |
35 | } | |
36 | ||
37 | static inline bool arch_irqs_disabled_flags(unsigned long flags) | |
38 | { | |
39 | return (flags & PSW_I) == 0; | |
40 | } | |
41 | ||
42 | static inline bool arch_irqs_disabled(void) | |
43 | { | |
44 | return arch_irqs_disabled_flags(arch_local_save_flags()); | |
45 | } | |
46 | ||
47 | #endif /* __PARISC_IRQFLAGS_H */ |