104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
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/* $NetBSD: intr.h,v 1.2 2000/03/18 22:33:05 scw Exp $ */
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/*-
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* Copyright (c) 2000 The 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 Jason R. Thorpe and Steve C. Woodford.
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MVME68K_INTR_H
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#define _MVME68K_INTR_H
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#include <machine/psl.h>
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/*
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* These are identical to the values used by hp300, but are not meaningful
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* to mvme68k code at this time.
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*/
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#define IPL_NONE 0 /* disable only this interrupt */
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#define IPL_BIO 1 /* disable block I/O interrupts */
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#define IPL_NET 2 /* disable network interrupts */
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#define IPL_TTY 3 /* disable terminal interrupts */
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#define IPL_TTYNOBUF 4 /* IPL_TTY + higher ISR priority */
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#define IPL_CLOCK 5 /* disable clock interrupts */
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#define IPL_HIGH 6 /* disable all interrupts */
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#ifdef _KERNEL
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/* spl0 requires checking for software interrupts */
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#define spllowersoftclock() spl1()
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#define splsoftclock() splraise1()
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#define splsoftnet() splraise1()
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#define splbio() splraise2()
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#define splnet() splraise3()
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#define spltty() splraise3()
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#define splimp() splraise3()
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#define splserial() splraise4()
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#define splclock() splraise5()
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#define splstatclock() splraise5()
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#define splvm() splraise5()
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#define splhigh() spl7()
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#define splsched() spl7()
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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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#define SIR_NET 0x1
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#define SIR_CLOCK 0x2
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/* Following is from next68k/intr.h */
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#define siron(mask) \
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__asm __volatile ( "orb %1,%0" : "=m" (ssir) : "ir" (mask))
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#define siroff(mask) \
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__asm __volatile ( "andb %1,%0" : "=m" (ssir) : "ir" (~(mask)));
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#define setsoftint(x) siron(x)
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#define setsoftnet() siron(SIR_NET)
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#define setsoftclock() siron(SIR_CLOCK)
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#ifndef _LOCORE
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/*
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* simulated software interrupt register
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*/
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extern volatile unsigned char ssir;
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extern void init_sir __P((void));
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extern unsigned long allocate_sir __P((void (*)(void *), void *));
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extern int spl0 __P((void));
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#endif /* !_LOCORE */
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#endif /* _KERNEL */
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#endif /* _MVME68K_INTR_H */
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