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/* $OpenBSD: intr.h,v 1.6 2005/12/03 19:04:06 miod Exp $ */
/*
* Copyright (C) 2000 Steve Murphree, Jr.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _M88K_INTR_H_
#define _M88K_INTR_H_
#ifdef _KERNEL
#ifndef _LOCORE
unsigned setipl(unsigned level);
unsigned raiseipl(unsigned level);
int spl0(void);
/* SPL asserts */
#ifdef DIAGNOSTIC
/*
* Although this function is implemented in MI code, it must be in this MD
* header because we don't want this header to include MI includes.
*/
void splassert_fail(int, int, const char *);
extern int splassert_ctl;
void splassert_check(int, const char *);
#define splassert(__wantipl) do { \
if (__predict_false(splassert_ctl > 0)) { \
splassert_check(__wantipl, __func__); \
} \
} while (0)
#else
#define splassert(wantipl) do { /* nothing */ } while (0)
#endif
#endif /* _LOCORE */
#define splsoftclock() raiseipl(IPL_SOFTCLOCK)
#define splsoftnet() raiseipl(IPL_SOFTNET)
#define splbio() raiseipl(IPL_BIO)
#define splnet() raiseipl(IPL_NET)
#define spltty() raiseipl(IPL_TTY)
#define splclock() raiseipl(IPL_CLOCK)
#define splstatclock() raiseipl(IPL_STATCLOCK)
#define splsched() raiseipl(IPL_SCHED)
#define splimp() raiseipl(IPL_IMP)
#define splvm() raiseipl(IPL_VM)
#define splhigh() setipl(IPL_HIGH)
#define spllock() splhigh()
#define splx(x) ((x) ? setipl((x)) : spl0())
#endif /* _KERNEL */
#endif /* _M88K_INTR_H_ */
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