2 * include/asm/irqflags.h
6 * This file gets included from lowlevel asm headers too, to provide
7 * wrapped versions of the local_irq_*() APIs, based on the
8 * raw_local_irq_*() functions from the lowlevel headers.
10 #ifndef _ASM_IRQFLAGS_H
11 #define _ASM_IRQFLAGS_H
17 static inline unsigned long __raw_local_save_flags(void)
29 #define raw_local_save_flags(flags) \
30 do { (flags) = __raw_local_save_flags(); } while (0)
32 static inline void raw_local_irq_restore(unsigned long flags)
42 static inline void raw_local_irq_disable(void)
47 : "i" (PIL_NORMAL_MAX)
52 static inline void raw_local_irq_enable(void)
62 static inline int raw_irqs_disabled_flags(unsigned long flags)
67 static inline int raw_irqs_disabled(void)
69 unsigned long flags = __raw_local_save_flags();
71 return raw_irqs_disabled_flags(flags);
77 static inline unsigned long __raw_local_irq_save(void)
79 unsigned long flags, tmp;
81 /* Disable interrupts to PIL_NORMAL_MAX unless we already
82 * are using PIL_NMI, in which case PIL_NMI is retained.
84 * The only values we ever program into the %pil are 0,
85 * PIL_NORMAL_MAX and PIL_NMI.
87 * Since PIL_NMI is the largest %pil value and all bits are
88 * set in it (0xf), it doesn't matter what PIL_NORMAL_MAX
95 : "=r" (flags), "=r" (tmp)
96 : "i" (PIL_NORMAL_MAX)
103 #define raw_local_irq_save(flags) \
104 do { (flags) = __raw_local_irq_save(); } while (0)
106 #endif /* (__ASSEMBLY__) */
108 #endif /* !(_ASM_IRQFLAGS_H) */