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
16unsigned long arch_local_save_flags(void);
17#endif
18
19/* set interrupt enabled status */
20#ifndef arch_local_irq_restore
21void arch_local_irq_restore(unsigned long flags);
22#endif
23
24/* get status and disable interrupts */
25#ifndef arch_local_irq_save
26static 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
37static 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
45static 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
53static 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
61static 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 */

 
 1#ifndef __ASM_GENERIC_IRQFLAGS_H
 2#define __ASM_GENERIC_IRQFLAGS_H
 3
 4/*
 5 * All architectures should implement at least the first two functions,
 6 * usually inline assembly will be the best way.
 7 */
 8#ifndef ARCH_IRQ_DISABLED
 9#define ARCH_IRQ_DISABLED 0
10#define ARCH_IRQ_ENABLED 1
11#endif
12
13/* read interrupt enabled status */
14#ifndef arch_local_save_flags
15unsigned long arch_local_save_flags(void);
16#endif
17
18/* set interrupt enabled status */
19#ifndef arch_local_irq_restore
20void arch_local_irq_restore(unsigned long flags);
21#endif
22
23/* get status and disable interrupts */
24#ifndef arch_local_irq_save
25static inline unsigned long arch_local_irq_save(void)
26{
27	unsigned long flags;
28	flags = arch_local_save_flags();
29	arch_local_irq_restore(ARCH_IRQ_DISABLED);
30	return flags;
31}
32#endif
33
34/* test flags */
35#ifndef arch_irqs_disabled_flags
36static inline int arch_irqs_disabled_flags(unsigned long flags)
37{
38	return flags == ARCH_IRQ_DISABLED;
39}
40#endif
41
42/* unconditionally enable interrupts */
43#ifndef arch_local_irq_enable
44static inline void arch_local_irq_enable(void)
45{
46	arch_local_irq_restore(ARCH_IRQ_ENABLED);
47}
48#endif
49
50/* unconditionally disable interrupts */
51#ifndef arch_local_irq_disable
52static inline void arch_local_irq_disable(void)
53{
54	arch_local_irq_restore(ARCH_IRQ_DISABLED);
55}
56#endif
57
58/* test hardware interrupt enable bit */
59#ifndef arch_irqs_disabled
60static inline int arch_irqs_disabled(void)
61{
62	return arch_irqs_disabled_flags(arch_local_save_flags());
63}
64#endif
65
66#endif /* __ASM_GENERIC_IRQFLAGS_H */