1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1992 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department and Ralph Campbell. 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: trap.h 1.1 90/07/09$ 39 * from: @(#)trap.h 7.1 (Berkeley) 1/7/92 40 * $Id: trap.h,v 1.1.1.1 1993/10/12 03:22:41 deraadt Exp $ 41 */ 42 43 /* 44 * Trap codes 45 * also known in trap.c for name strings 46 */ 47 48 #define T_INT 0 /* Interrupt pending */ 49 #define T_TLB_MOD 1 /* TLB modified fault */ 50 #define T_TLB_LD_MISS 2 /* TLB miss on load or ifetch */ 51 #define T_TLB_ST_MISS 3 /* TLB miss on a store */ 52 #define T_ADDR_ERR_LD 4 /* Address error on a load or ifetch */ 53 #define T_ADDR_ERR_ST 5 /* Address error on a store */ 54 #define T_BUS_ERR_IFETCH 6 /* Bus error on an ifetch */ 55 #define T_BUS_ERR_LD_ST 7 /* Bus error on a load or store */ 56 #define T_SYSCALL 8 /* System call */ 57 #define T_BREAK 9 /* Breakpoint */ 58 #define T_RES_INST 10 /* Reserved instruction exception */ 59 #define T_COP_UNUSABLE 11 /* Coprocessor unusable */ 60 #define T_OVFLOW 12 /* Arithmetic overflow */ 61 62 #define T_USER 0x10 /* user-mode flag or'ed with type */ 63