blob: db398fb328263051be401e0e0aabb97fcdf2a77f [file] [log] [blame]
Robert Reife8dd1612007-09-27 13:15:31 -07001/*
2 * include/asm-sparc/irqflags.h
3 *
4 * IRQ flags handling
5 *
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.
9 */
10#ifndef _ASM_IRQFLAGS_H
11#define _ASM_IRQFLAGS_H
12
13#ifndef __ASSEMBLY__
14
15extern void raw_local_irq_restore(unsigned long);
16extern unsigned long __raw_local_irq_save(void);
17extern void raw_local_irq_enable(void);
18
19static inline unsigned long getipl(void)
20{
21 unsigned long retval;
22
23 __asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
24 return retval;
25}
26
27#define raw_local_save_flags(flags) ((flags) = getipl())
28#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
29#define raw_local_irq_disable() ((void) __raw_local_irq_save())
30#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
31
32static inline int raw_irqs_disabled_flags(unsigned long flags)
33{
34 return ((flags & PSR_PIL) != 0);
35}
36
37#endif /* (__ASSEMBLY__) */
38
39#endif /* !(_ASM_IRQFLAGS_H) */