2 * Copyright (c) 1990 The Regents of the University of California.
3 * Copyright (c) 2008 The DragonFly Project.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * from: @(#)icu.h 5.6 (Berkeley) 5/9/91
34 * $FreeBSD: src/sys/i386/isa/icu.h,v 1.18 1999/12/26 12:43:47 bde Exp $
35 * $DragonFly: src/sys/platform/pc64/icu/icu.h,v 1.1 2008/08/29 17:07:16 dillon Exp $
39 * AT/386 Interrupt Control constants
43 #ifndef _ARCH_ICU_ICU_H_
44 #define _ARCH_ICU_ICU_H_
46 #define ICU_IMR_OFFSET 1 /* IO_ICU{1,2} + 1 */
49 * Interrupt enable bit numbers - in normal order of priority
52 #define ICU_IRQ0 0 /* highest priority - timer */
54 #define ICU_IRQ_SLAVE 2
57 #define ICU_IRQ2 ICU_IRQ9
64 #define ICU_IRQ3 3 /* this is highest after rotation */
68 #define ICU_IRQ7 7 /* lowest - parallel printer */
70 #endif /* !_ARCH_ICU_ICU_H_ */