xref: /freebsd/sys/x86/include/trap.h (revision 29363fb446372cb3f10bc98664e9767c53fbb457)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef _MACHINE_TRAP_H_
36 #define	_MACHINE_TRAP_H_
37 
38 /*
39  * Trap type values
40  * also known in trap.c for name strings
41  */
42 
43 #define	T_PRIVINFLT	1	/* privileged instruction */
44 #define	T_BPTFLT	3	/* breakpoint instruction */
45 #define	T_ARITHTRAP	6	/* arithmetic trap */
46 #define	T_PROTFLT	9	/* protection fault */
47 #define	T_TRCTRAP	10	/* debug exception (sic) */
48 #define	T_PAGEFLT	12	/* page fault */
49 #define	T_ALIGNFLT	14	/* alignment fault */
50 
51 #define	T_DIVIDE	18	/* integer divide fault */
52 #define	T_NMI		19	/* non-maskable trap */
53 #define	T_OFLOW		20	/* overflow trap */
54 #define	T_BOUND		21	/* bound instruction fault */
55 #define	T_DNA		22	/* device not available fault */
56 #define	T_DOUBLEFLT	23	/* double fault */
57 #define	T_FPOPFLT	24	/* fp coprocessor operand fetch fault */
58 #define	T_TSSFLT	25	/* invalid tss fault */
59 #define	T_SEGNPFLT	26	/* segment not present fault */
60 #define	T_STKFLT	27	/* stack fault */
61 #define	T_MCHK		28	/* machine check trap */
62 #define	T_XMMFLT	29	/* SIMD floating-point exception */
63 #define	T_RESERVED	30	/* reserved (unknown) */
64 #define	T_DTRACE_RET	32	/* DTrace pid return */
65 
66 #endif /* !_MACHINE_TRAP_H_ */
67