81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/* $NetBSD: intr.h,v 1.3 1997/10/09 07:37:52 jtc Exp $ */
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/*-
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* Copyright (c) 1996 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 Leo Weppelman.
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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 _ATARI_ATARI_INTR_H_
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#define _ATARI_ATARI_INTR_H_
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#include <machine/cpu.h> /* XXX: for clockframe */
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#define AUTO_VEC 0x0001 /* We're dealing with an auto-vector */
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#define USER_VEC 0x0002 /* We're dealing with an user-vector */
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#define FAST_VEC 0x0010 /* Fast, stash right into vector-table */
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#define ARG_CLOCKFRAME 0x0020 /* Supply clockframe as an argument */
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/*
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* Interrupt handler chains. intr_establish() inserts a handler into
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* the list. The handler is called with its (single) argument or with a
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* 'standard' clockframe. This depends on 'ih_type'.
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*/
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typedef int (*hw_ifun_t) __P((void *, int));
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struct intrhand {
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LIST_ENTRY(intrhand) ih_link;
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hw_ifun_t ih_fun;
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void *ih_arg;
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int ih_type;
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int ih_pri;
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int ih_vector;
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u_long *ih_intrcnt;
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};
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void intr_init __P((void));
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struct intrhand *intr_establish __P((int, int, int, hw_ifun_t, void *));
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int intr_disestablish __P((struct intrhand *));
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void intr_dispatch __P((struct clockframe));
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void intr_glue __P((void));
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/*
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* Exported by intrcnt.h
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*/
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extern u_long autovects[];
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extern u_long intrcnt_auto[];
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extern u_long uservects[];
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extern u_long intrcnt_user[];
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#endif /* _ATARI_ATARI_INTR_H_ */
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