rename amd64 architecture to x86_64
[dragonfly.git] / sys / cpu / x86_64 / include / trap.h
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1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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 University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: @(#)trap.h 5.4 (Berkeley) 5/9/91
37 * $FreeBSD: src/sys/amd64/include/trap.h,v 1.13 2001/07/12 06:32:51 peter Exp $
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38 */
39
40#ifndef _CPU_TRAP_H_
41#define _CPU_TRAP_H_
42
43/*
44 * Trap type values
45 * also known in trap.c for name strings
46 */
47
48#define T_PRIVINFLT 1 /* privileged instruction */
49#define T_BPTFLT 3 /* breakpoint instruction */
50#define T_ARITHTRAP 6 /* arithmetic trap */
d7f50089 51#define T_ASTFLT 7 /* system forced exception */
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52#define T_PROTFLT 9 /* protection fault */
53#define T_TRCTRAP 10 /* debug exception (sic) */
54#define T_PAGEFLT 12 /* page fault */
55#define T_ALIGNFLT 14 /* alignment fault */
56
57#define T_DIVIDE 18 /* integer divide fault */
58#define T_NMI 19 /* non-maskable trap */
59#define T_OFLOW 20 /* overflow trap */
60#define T_BOUND 21 /* bound instruction fault */
61#define T_DNA 22 /* device not available fault */
62#define T_DOUBLEFLT 23 /* double fault */
63#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
64#define T_TSSFLT 25 /* invalid tss fault */
65#define T_SEGNPFLT 26 /* segment not present fault */
66#define T_STKFLT 27 /* stack fault */
67#define T_MCHK 28 /* machine check trap */
68#define T_XMMFLT 29 /* SIMD floating-point exception */
69#define T_RESERVED 30 /* reserved (unknown) */
70
71/* XXX most of the following codes aren't used, but could be. */
72
73/* definitions for <sys/signal.h> */
74#define ILL_RESAD_FAULT T_RESADFLT
75#define ILL_PRIVIN_FAULT T_PRIVINFLT
76#define ILL_RESOP_FAULT T_RESOPFLT
77#define ILL_ALIGN_FAULT T_ALIGNFLT
78#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */
79
80/* portable macros for SIGFPE/ARITHTRAP */
81#define FPE_INTOVF 1 /* integer overflow */
82#define FPE_INTDIV 2 /* integer divide by zero */
83#define FPE_FLTDIV 3 /* floating point divide by zero */
84#define FPE_FLTOVF 4 /* floating point overflow */
85#define FPE_FLTUND 5 /* floating point underflow */
86#define FPE_FLTRES 6 /* floating point inexact result */
87#define FPE_FLTINV 7 /* invalid floating point operation */
88#define FPE_FLTSUB 8 /* subscript out of range */
89
90/* old FreeBSD macros, deprecated */
91#define FPE_INTOVF_TRAP 0x1 /* integer overflow */
92#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
93#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */
94#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */
95#define FPE_FLTUND_TRAP 0x5 /* floating underflow */
96#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */
97#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */
98
99/* codes for SIGBUS */
100#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */
101#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */
102#define BUS_STK_FAULT T_STKFLT /* stack segment */
103#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */
104
105/* Trap's coming from user mode */
d7f50089 106#define T_SYSCALL80 0x080
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107#define T_USER 0x100
108
109#endif /* !_CPU_TRAP_H_ */