1 /* $NetBSD: trap.h,v 1.2 2003/08/07 16:30:33 agc Exp $ */ 2 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 * @(#)trap.h 5.4 (Berkeley) 5/9/91 35 */ 36 37 /* 38 * Trap type values 39 * also known in trap.c for name strings 40 */ 41 42 #define T_PRIVINFLT 0 /* privileged instruction */ 43 #define T_BPTFLT 1 /* breakpoint trap */ 44 #define T_ARITHTRAP 2 /* arithmetic trap */ 45 #define T_ASTFLT 3 /* asynchronous system trap */ 46 #define T_PROTFLT 4 /* protection fault */ 47 #define T_TRCTRAP 5 /* trace trap */ 48 #define T_PAGEFLT 6 /* page fault */ 49 #define T_ALIGNFLT 7 /* alignment fault */ 50 #define T_DIVIDE 8 /* integer divide fault */ 51 #define T_NMI 9 /* non-maskable interrupt */ 52 #define T_OFLOW 10 /* overflow trap */ 53 #define T_BOUND 11 /* bounds check fault */ 54 #define T_DNA 12 /* device not available fault */ 55 #define T_DOUBLEFLT 13 /* double fault */ 56 #define T_FPOPFLT 14 /* fp coprocessor operand fetch fault */ 57 #define T_TSSFLT 15 /* invalid tss fault */ 58 #define T_SEGNPFLT 16 /* segment not present fault */ 59 #define T_STKFLT 17 /* stack fault */ 60 #define T_MCA 18 /* machine check */ 61 #define T_XMM 19 /* SSE FP exception */ 62 #define T_RESERVED 20 /* reserved fault base */ 63 64 /* Trap's coming from user mode */ 65 #define T_USER 0x100 66 67 /* Flags kludged into the trap code */ 68 69 #define TC_TSS 0x80000000 70 #define TC_FLAGMASK (TC_TSS) 71