2 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Charles M. Hannum.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the NetBSD
19 * Foundation, Inc. and its contributors.
20 * 4. Neither the name of The NetBSD Foundation nor the names of its
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
36 * $NetBSD: intr.h,v 1.6 2000/02/11 13:15:44 tsubai Exp $
40 #ifndef _MACPPC_INTR_H_
41 #define _MACPPC_INTR_H_
43 /* Interrupt priority `levels'. */
44 #define IPL_NONE 9 /* nothing */
45 #define IPL_SOFTCLOCK 8 /* timeouts */
46 #define IPL_SOFTNET 7 /* protocol stacks */
47 #define IPL_BIO 6 /* block I/O */
48 #define IPL_NET 5 /* network */
49 #define IPL_SOFTSERIAL 4 /* serial */
50 #define IPL_TTY 3 /* terminal */
51 #define IPL_IMP 3 /* memory allocation */
52 #define IPL_AUDIO 2 /* audio */
53 #define IPL_CLOCK 1 /* clock */
54 #define IPL_HIGH 1 /* everything */
55 #define IPL_SERIAL 0 /* serial */
58 /* Interrupt sharing types. */
59 #define IST_NONE 0 /* none */
60 #define IST_PULSE 1 /* pulsed */
61 #define IST_EDGE 2 /* edge-triggered */
62 #define IST_LEVEL 3 /* level-triggered */
66 void do_pending_int(void);
68 extern u_int cpl, ipending, tickspending;
73 /* Soft interrupt masks. */
81 #define CNT_SOFTCLOCK 65
82 #define CNT_SOFTNET 66
83 #define CNT_SOFTSERIAL 67
87 #endif /* !_MACPPC_INTR_H_ */