audk/StdLib/Include/Ipf/machine/intr.h

61 lines
1.8 KiB
C

/* $NetBSD: intr.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */
/* XXX: cherry: To Be fixed when we switch on interrupts. */
#ifndef _IA64_INTR_H_
#define _IA64_INTR_H_
#define IPL_NONE 0 /* XXX: Placeholder */
#define IPL_BIO 0 /* XXX: Placeholder */
#define IPL_NET 0 /* XXX: Placeholder */
#define IPL_TTY 0 /* XXX: Placeholder */
#define IPL_CLOCK 0 /* XXX: Placeholder */
#define IPL_HIGH 0 /* XXX: Placeholder */
#define IPL_SERIAL 0 /* XXX: Placeholder */
#define IPL_SCHED 0 /* XXX: Placeholder */
#define IPL_VM 0 /* XXX: Placeholder */
#define IPL_SOFTCLOCK 0 /* XXX: Placeholder */
#define IPL_SOFTNET 0 /* XXX: Placeholder */
#define IPL_SOFTSERIAL 0 /* XXX: Placeholder */
static __inline int splraise(int dummy) { return 0; }
static __inline void spllower(int dummy) { }
/*
* Hardware interrupt masks
*/
#define splbio() splraise(IPL_BIO)
#define splnet() splraise(IPL_NET)
#define spltty() splraise(IPL_TTY)
#define splaudio() splraise(IPL_AUDIO)
#define splclock() splraise(IPL_CLOCK)
#define splstatclock() splclock()
#define splserial() splraise(IPL_SERIAL)
#define splipi() splraise(IPL_IPI)
/*
* Miscellaneous
*/
#define splvm() splraise(IPL_VM)
#define splhigh() splraise(IPL_HIGH)
#define spl0() spllower(IPL_NONE)
#define splsched() splraise(IPL_SCHED)
#define spllock() splhigh()
#define splx(x) spllower(x)
/*
* Software interrupt masks
*
* NOTE: spllowersoftclock() is used by hardclock() to lower the priority from
* clock to softclock before it calls softclock().
*/
#define spllowersoftclock() spllower(IPL_SOFTCLOCK)
#define splsoftclock() splraise(IPL_SOFTCLOCK)
#define splsoftnet() splraise(IPL_SOFTNET)
#define splsoftserial() splraise(IPL_SOFTSERIAL)
#endif /* ! _IA64_INTR_H_ */