| 1 |
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| 2 | #ifndef __ASM_GENERIC_IRQFLAGS_H
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| 3 | #define __ASM_GENERIC_IRQFLAGS_H
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| 4 |
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| 5 | |
| 6 | * All architectures should implement at least the first two functions,
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| 7 | * usually inline assembly will be the best way.
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| 8 |
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| 9 | #ifndef ARCH_IRQ_DISABLED
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| 10 | #define ARCH_IRQ_DISABLED 0
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| 11 | #define ARCH_IRQ_ENABLED 1
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| 12 | #endif
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| 13 |
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| 14 |
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| 15 | #ifndef arch_local_save_flags
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| 16 | unsigned long arch_local_save_flags(void);
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| 17 | #endif
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| 18 |
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| 19 |
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| 20 | #ifndef arch_local_irq_restore
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| 21 | void arch_local_irq_restore(unsigned long flags);
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| 22 | #endif
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| 23 |
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| 24 |
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| 25 | #ifndef arch_local_irq_save
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| 26 | static inline unsigned long arch_local_irq_save(void)
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| 27 | {
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| 28 | unsigned long flags;
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| 29 | flags = arch_local_save_flags();
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| 30 | arch_local_irq_restore(ARCH_IRQ_DISABLED);
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| 31 | return flags;
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| 32 | }
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| 33 | #endif
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| 34 |
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| 35 |
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| 36 | #ifndef arch_irqs_disabled_flags
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| 37 | static inline int arch_irqs_disabled_flags(unsigned long flags)
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| 38 | {
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| 39 | return flags == ARCH_IRQ_DISABLED;
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| 40 | }
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| 41 | #endif
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| 42 |
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| 43 |
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| 44 | #ifndef arch_local_irq_enable
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| 45 | static inline void arch_local_irq_enable(void)
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| 46 | {
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| 47 | arch_local_irq_restore(ARCH_IRQ_ENABLED);
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| 48 | }
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| 49 | #endif
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| 50 |
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| 51 |
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| 52 | #ifndef arch_local_irq_disable
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| 53 | static inline void arch_local_irq_disable(void)
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| 54 | {
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| 55 | arch_local_irq_restore(ARCH_IRQ_DISABLED);
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| 56 | }
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| 57 | #endif
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| 58 |
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| 59 |
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| 60 | #ifndef arch_irqs_disabled
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| 61 | static inline int arch_irqs_disabled(void)
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| 62 | {
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| 63 | return arch_irqs_disabled_flags(arch_local_save_flags());
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| 64 | }
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| 65 | #endif
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| 66 |
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| 67 | #endif
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