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/*
* include/asm/irqflags.h
*
* IRQ flags handling
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
* raw_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
extern void raw_local_irq_restore(unsigned long);
extern unsigned long __raw_local_irq_save(void);
extern void raw_local_irq_enable(void);
static inline unsigned long getipl(void)
{
unsigned long retval;
__asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
return retval;
}
#define raw_local_save_flags(flags) ((flags) = getipl())
#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
#define raw_local_irq_disable() ((void) __raw_local_irq_save())
#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return ((flags & PSR_PIL) != 0);
}
#endif /* (__ASSEMBLY__) */
#endif /* !(_ASM_IRQFLAGS_H) */
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