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85 lines
3.1 KiB
85 lines
3.1 KiB
/* $NetBSD: intr.h,v 1.5 1996/05/13 06:11:28 mycroft Exp $ */
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/*
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* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
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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 M. Hannum.
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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 _ARC_INTR_H_
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#define _ARC_INTR_H_
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/* Interrupt priority `levels'; not mutually exclusive. */
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#define IPL_BIO 0 /* block I/O */
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#define IPL_NET 1 /* network */
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#define IPL_TTY 2 /* terminal */
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#define IPL_CLOCK 3 /* clock */
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#define IPL_IMP 4 /* memory allocation */
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#define IPL_NONE 5 /* nothing */
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#define IPL_HIGH 6 /* everything */
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/* Interrupt sharing types. */
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#define IST_NONE 0 /* none */
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#define IST_PULSE 1 /* pulsed */
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#define IST_EDGE 2 /* edge-triggered */
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#define IST_LEVEL 3 /* level-triggered */
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/* Soft interrupt masks. */
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#define SIR_CLOCK 31
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#define SIR_CLOCKMASK ((1 << SIR_CLOCK))
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#define SIR_NET 30
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#define SIR_NETMASK ((1 << SIR_NET) | SIR_CLOCKMASK)
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#define SIR_TTY 29
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#define SIR_TTYMASK ((1 << SIR_TTY) | SIR_CLOCKMASK)
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#define SIR_ALLMASK (SIR_CLOCKMASK | SIR_NETMASK | SIR_TTYMASK)
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#ifndef _LOCORE
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void setsoftclock __P((void));
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void clearsoftclock __P((void));
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int splsoftclock __P((void));
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void setsoftnet __P((void));
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void clearsoftnet __P((void));
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int splsoftnet __P((void));
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int splbio __P((void));
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int splnet __P((void));
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int splclock __P((void));
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int spltty __P((void));
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int splimp __P((void));
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int splsoftclock __P((void));
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int splstatclock __P((void));
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int spl0 __P((void));
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void splx __P((int));
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int splhigh __P((void));
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struct clockframe;
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void set_intr __P((int, int(*)(u_int, struct clockframe *), int));
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volatile int cpl, ipending, astpending;
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int imask[7];
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#endif /* _LOCORE */
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#endif /* _ARC_INTR_H_ */
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