xref: /openbsd/sys/arch/i386/include/trap.h (revision 48af2949)
1*48af2949Sguenther /*	$OpenBSD: trap.h,v 1.6 2015/06/28 01:11:27 guenther Exp $	*/
2df930be7Sderaadt /*	$NetBSD: trap.h,v 1.4 1994/10/27 04:16:30 cgd Exp $	*/
3df930be7Sderaadt 
4df930be7Sderaadt /*-
5df930be7Sderaadt  * Copyright (c) 1990 The Regents of the University of California.
6df930be7Sderaadt  * All rights reserved.
7df930be7Sderaadt  *
8df930be7Sderaadt  * This code is derived from software contributed to Berkeley by
9df930be7Sderaadt  * William Jolitz.
10df930be7Sderaadt  *
11df930be7Sderaadt  * Redistribution and use in source and binary forms, with or without
12df930be7Sderaadt  * modification, are permitted provided that the following conditions
13df930be7Sderaadt  * are met:
14df930be7Sderaadt  * 1. Redistributions of source code must retain the above copyright
15df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer.
16df930be7Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
17df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer in the
18df930be7Sderaadt  *    documentation and/or other materials provided with the distribution.
1929295d1cSmillert  * 3. Neither the name of the University nor the names of its contributors
20df930be7Sderaadt  *    may be used to endorse or promote products derived from this software
21df930be7Sderaadt  *    without specific prior written permission.
22df930be7Sderaadt  *
23df930be7Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24df930be7Sderaadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25df930be7Sderaadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26df930be7Sderaadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27df930be7Sderaadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28df930be7Sderaadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29df930be7Sderaadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30df930be7Sderaadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31df930be7Sderaadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32df930be7Sderaadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33df930be7Sderaadt  * SUCH DAMAGE.
34df930be7Sderaadt  *
35df930be7Sderaadt  *	@(#)trap.h	5.4 (Berkeley) 5/9/91
36df930be7Sderaadt  */
37df930be7Sderaadt 
38df930be7Sderaadt /*
39df930be7Sderaadt  * Trap type values
40df930be7Sderaadt  * also known in trap.c for name strings
41df930be7Sderaadt  */
42df930be7Sderaadt 
43df930be7Sderaadt #define	T_PRIVINFLT	 0	/* privileged instruction */
44df930be7Sderaadt #define	T_BPTFLT	 1	/* breakpoint trap */
45df930be7Sderaadt #define	T_ARITHTRAP	 2	/* arithmetic trap */
46*48af2949Sguenther #define	T_RESERVED	 3	/* reserved fault base */
47df930be7Sderaadt #define	T_PROTFLT	 4	/* protection fault */
48df930be7Sderaadt #define	T_TRCTRAP	 5	/* trace trap */
49df930be7Sderaadt #define	T_PAGEFLT	 6	/* page fault */
50df930be7Sderaadt #define	T_ALIGNFLT	 7	/* alignment fault */
51df930be7Sderaadt #define	T_DIVIDE	 8	/* integer divide fault */
52df930be7Sderaadt #define	T_NMI		 9	/* non-maskable interrupt */
53df930be7Sderaadt #define	T_OFLOW		10	/* overflow trap */
54df930be7Sderaadt #define	T_BOUND		11	/* bounds check fault */
55df930be7Sderaadt #define	T_DNA		12	/* device not available fault */
56df930be7Sderaadt #define	T_DOUBLEFLT	13	/* double fault */
5744cbc57dSmickey #define	T_FPOPFLT	14	/* fp coprocessor operand fetch fault (![P]Pro)*/
58df930be7Sderaadt #define	T_TSSFLT	15	/* invalid tss fault */
59df930be7Sderaadt #define	T_SEGNPFLT	16	/* segment not present fault */
60df930be7Sderaadt #define	T_STKFLT	17	/* stack fault */
6144cbc57dSmickey #define	T_MACHK		18	/* machine check ([P]Pro) */
6279d27b9dSmarco #define	T_XFTRAP	19	/* SIMD FP exception */
63df930be7Sderaadt 
64df930be7Sderaadt /* Trap's coming from user mode */
65df930be7Sderaadt #define	T_USER	0x100
66