81 lines
3.3 KiB
C
81 lines
3.3 KiB
C
/* $NetBSD: intr.h,v 1.3 1999/08/05 18:08:15 thorpej Exp $ */
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/*
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*
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* Copyright (c) 1998 NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Minoura Makoto and Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles D. Cranor and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _X68K_INTR_H_
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#define _X68K_INTR_H_
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#include <machine/psl.h>
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/* spl0 requires checking for software interrupts */
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void spl0 __P((void));
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#define splnone() spl0()
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#define spllowersoftclock() spl1() /* disallow softclock */
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#define splsoftclock() splraise1() /* disallow softclock */
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#define splsoftnet() splraise1() /* disallow softnet */
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#define splnet() _splraise(PSL_S|PSL_IPL4) /* disallow network */
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#define splbio() _splraise(PSL_S|PSL_IPL3) /* disallow block I/O */
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#define splimp() _splraise(PSL_S|PSL_IPL4) /* disallow imput */
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#define spltty() _splraise(PSL_S|PSL_IPL4) /* disallow tty interrupts */
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#define splzs() splraise5() /* disallow serial interrupts */
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#define splclock() splraise6() /* disallow clock interrupt */
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#define splstatclock() splraise6() /* disallow clock interrupt */
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#define splvm() _splraise(PSL_S|PSL_IPL4) /* disallow virtual memory operations */
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#define splhigh() spl7() /* disallow everything */
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#define splsched() spl7() /* disallow scheduling */
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/* watch out for side effects */
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#define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0())
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/*
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* simulated software interrupt register
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*/
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extern unsigned char ssir;
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#define SIR_NET 0x1
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#define SIR_CLOCK 0x2
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#define SIR_SERIAL 0x4
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#define SIR_KBD 0x8
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#define siroff(x) ssir &= ~(x)
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#define setsoftnet() ssir |= SIR_NET
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#define setsoftclock() ssir |= SIR_CLOCK
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#define setsoftserial() ssir |= SIR_SERIAL
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#define setsoftkbd() ssir |= SIR_KBD
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#endif
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