1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 23 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 24 /* All Rights Reserved */ 25 26 /* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _IA32_SYS_TRAP_H 32 #define _IA32_SYS_TRAP_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* 41 * Trap type values 42 */ 43 44 #define T_ZERODIV 0x0 /* #de divide by 0 error */ 45 #define T_SGLSTP 0x1 /* #db single step */ 46 #define T_NMIFLT 0x2 /* NMI */ 47 #define T_BPTFLT 0x3 /* #bp breakpoint fault, INT3 insn */ 48 #define T_OVFLW 0x4 /* #of INTO overflow fault */ 49 #define T_BOUNDFLT 0x5 /* #br BOUND insn fault */ 50 #define T_ILLINST 0x6 /* #ud invalid opcode fault */ 51 #define T_NOEXTFLT 0x7 /* #nm device not available: x87 */ 52 #define T_DBLFLT 0x8 /* #df double fault */ 53 #define T_EXTOVRFLT 0x9 /* [not generated: 386 only] */ 54 #define T_TSSFLT 0xa /* #ts invalid TSS fault */ 55 #define T_SEGFLT 0xb /* #np segment not present fault */ 56 #define T_STKFLT 0xc /* #ss stack fault */ 57 #define T_GPFLT 0xd /* #gp general protection fault */ 58 #define T_PGFLT 0xe /* #pf page fault */ 59 #define T_EXTERRFLT 0x10 /* #mf x87 FPU error fault */ 60 #define T_ALIGNMENT 0x11 /* #ac alignment check error */ 61 #define T_MCE 0x12 /* #mc machine check exception (P6 only) */ 62 #define T_SIMDFPE 0x13 /* #xm SSE/SSE exception */ 63 #define T_DBGENTR 0x14 /* debugger entry */ 64 #define T_ENDPERR 0x21 /* emulated extension error flt */ 65 #define T_ENOEXTFLT 0x20 /* emulated ext not present */ 66 #define T_FASTTRAP 0xd2 /* fast system call */ 67 #define T_SYSCALLINT 0x91 /* general system call */ 68 #define T_DTRACE_PROBE 0x7e /* DTrace fasttrap probe */ 69 #define T_DTRACE_RET 0x7f /* DTrace pid return */ 70 #define T_SOFTINT 0x50fd /* pseudo softint trap type */ 71 72 /* 73 * Pseudo traps. 74 */ 75 #define T_INTERRUPT 0x100 76 #define T_FAULT 0x200 77 #define T_AST 0x400 78 #define T_SYSCALL 0x180 79 80 81 /* 82 * Values of error code on stack in case of page fault 83 */ 84 85 #define PF_ERR_MASK 0x01 /* Mask for error bit */ 86 #define PF_ERR_PAGE 0x00 /* page not present */ 87 #define PF_ERR_PROT 0x01 /* protection error */ 88 #define PF_ERR_WRITE 0x02 /* fault caused by write (else read) */ 89 #define PF_ERR_USER 0x04 /* processor was in user mode */ 90 /* (else supervisor) */ 91 #define PF_ERR_EXEC 0x10 /* attempt to execute a No eXec page (AMD) */ 92 93 /* 94 * Definitions for fast system call subfunctions 95 */ 96 #define T_FNULL 0 /* Null trap for testing */ 97 #define T_FGETFP 1 /* Get emulated FP context */ 98 #define T_FSETFP 2 /* Set emulated FP context */ 99 #define T_GETHRTIME 3 /* Get high resolution time */ 100 #define T_GETHRVTIME 4 /* Get high resolution virtual time */ 101 #define T_GETHRESTIME 5 /* Get high resolution time */ 102 #define T_GETLGRP 6 /* Get home lgrpid */ 103 104 #define T_LASTFAST 6 /* Last valid subfunction */ 105 106 #ifdef __cplusplus 107 } 108 #endif 109 110 #endif /* _IA32_SYS_TRAP_H */ 111