Annotation of sys/arch/amd64/include/trap.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: trap.h,v 1.2 2005/12/13 00:18:19 jsg Exp $ */
2: /* $NetBSD: trap.h,v 1.4 1994/10/27 04:16:30 cgd Exp $ */
3:
4: /*-
5: * Copyright (c) 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * William Jolitz.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)trap.h 5.4 (Berkeley) 5/9/91
36: */
37:
38: /*
39: * Trap type values
40: * also known in trap.c for name strings
41: */
42:
43: #define T_PRIVINFLT 0 /* privileged instruction */
44: #define T_BPTFLT 1 /* breakpoint trap */
45: #define T_ARITHTRAP 2 /* arithmetic trap */
46: #define T_ASTFLT 3 /* asynchronous system trap */
47: #define T_PROTFLT 4 /* protection fault */
48: #define T_TRCTRAP 5 /* trace trap */
49: #define T_PAGEFLT 6 /* page fault */
50: #define T_ALIGNFLT 7 /* alignment fault */
51: #define T_DIVIDE 8 /* integer divide fault */
52: #define T_NMI 9 /* non-maskable interrupt */
53: #define T_OFLOW 10 /* overflow trap */
54: #define T_BOUND 11 /* bounds check fault */
55: #define T_DNA 12 /* device not available fault */
56: #define T_DOUBLEFLT 13 /* double fault */
57: #define T_FPOPFLT 14 /* fp coprocessor operand fetch fault (![P]Pro)*/
58: #define T_TSSFLT 15 /* invalid tss fault */
59: #define T_SEGNPFLT 16 /* segment not present fault */
60: #define T_STKFLT 17 /* stack fault */
61: #define T_MCA 18 /* machine check ([P]Pro) */
62: #define T_XMM 19 /* SSE FP exception */
63: #define T_RESERVED 20 /* reserved fault base */
64:
65: /* Trap's coming from user mode */
66: #define T_USER 0x100
67:
68: /* Flags kludged into the trap code */
69: #define TC_TSS 0x80000000
70: #define TC_FLAGMASK (TC_TSS)
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