trap.S revision 1.1.2.2
1 1.1.2.2 jdolecek /* $NetBSD: trap.S,v 1.1.2.2 2017/12/03 11:35:48 jdolecek Exp $ */ 2 1.1.2.2 jdolecek 3 1.1.2.2 jdolecek /* 4 1.1.2.2 jdolecek * Copyright (c) 2017 The NetBSD Foundation, Inc. All rights reserved. 5 1.1.2.2 jdolecek * 6 1.1.2.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 7 1.1.2.2 jdolecek * by Maxime Villard. 8 1.1.2.2 jdolecek * 9 1.1.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 10 1.1.2.2 jdolecek * modification, are permitted provided that the following conditions 11 1.1.2.2 jdolecek * are met: 12 1.1.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 13 1.1.2.2 jdolecek * notice, this list of conditions and the following disclaimer. 14 1.1.2.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.2.2 jdolecek * notice, this list of conditions and the following disclaimer in the 16 1.1.2.2 jdolecek * documentation and/or other materials provided with the distribution. 17 1.1.2.2 jdolecek * 18 1.1.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.1.2.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.1.2.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.1.2.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.1.2.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.1.2.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.1.2.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.1.2.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.1.2.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.1.2.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.1.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 29 1.1.2.2 jdolecek */ 30 1.1.2.2 jdolecek 31 1.1.2.2 jdolecek #define _KERNEL 32 1.1.2.2 jdolecek 33 1.1.2.2 jdolecek /* Override user-land alignment before including asm.h */ 34 1.1.2.2 jdolecek #define ALIGN_DATA .align 8 35 1.1.2.2 jdolecek #define ALIGN_TEXT .align 16,0x90 36 1.1.2.2 jdolecek #define _ALIGN_TEXT ALIGN_TEXT 37 1.1.2.2 jdolecek 38 1.1.2.2 jdolecek #include <machine/asm.h> 39 1.1.2.2 jdolecek 40 1.1.2.2 jdolecek #include <machine/trap.h> 41 1.1.2.2 jdolecek 42 1.1.2.2 jdolecek #define TRAPENTRY(a) \ 43 1.1.2.2 jdolecek pushq $(a); \ 44 1.1.2.2 jdolecek jmp _C_LABEL(alltraps); 45 1.1.2.2 jdolecek 46 1.1.2.2 jdolecek #define ZTRAPENTRY(a) \ 47 1.1.2.2 jdolecek pushq $0; \ 48 1.1.2.2 jdolecek pushq $(a); \ 49 1.1.2.2 jdolecek jmp _C_LABEL(alltraps); 50 1.1.2.2 jdolecek 51 1.1.2.2 jdolecek .text 52 1.1.2.2 jdolecek 53 1.1.2.2 jdolecek IDTVEC(trap00) 54 1.1.2.2 jdolecek ZTRAPENTRY(T_DIVIDE) 55 1.1.2.2 jdolecek IDTVEC_END(trap00) 56 1.1.2.2 jdolecek 57 1.1.2.2 jdolecek IDTVEC(trap01) 58 1.1.2.2 jdolecek ZTRAPENTRY(T_TRCTRAP) 59 1.1.2.2 jdolecek IDTVEC_END(trap01) 60 1.1.2.2 jdolecek 61 1.1.2.2 jdolecek IDTVEC(trap02) 62 1.1.2.2 jdolecek ZTRAPENTRY(T_NMI) 63 1.1.2.2 jdolecek IDTVEC_END(trap02) 64 1.1.2.2 jdolecek 65 1.1.2.2 jdolecek IDTVEC(trap03) 66 1.1.2.2 jdolecek ZTRAPENTRY(T_BPTFLT) 67 1.1.2.2 jdolecek IDTVEC_END(trap03) 68 1.1.2.2 jdolecek 69 1.1.2.2 jdolecek IDTVEC(trap04) 70 1.1.2.2 jdolecek ZTRAPENTRY(T_OFLOW) 71 1.1.2.2 jdolecek IDTVEC_END(trap04) 72 1.1.2.2 jdolecek 73 1.1.2.2 jdolecek IDTVEC(trap05) 74 1.1.2.2 jdolecek ZTRAPENTRY(T_BOUND) 75 1.1.2.2 jdolecek IDTVEC_END(trap05) 76 1.1.2.2 jdolecek 77 1.1.2.2 jdolecek IDTVEC(trap06) 78 1.1.2.2 jdolecek ZTRAPENTRY(T_PRIVINFLT) 79 1.1.2.2 jdolecek IDTVEC_END(trap06) 80 1.1.2.2 jdolecek 81 1.1.2.2 jdolecek IDTVEC(trap07) 82 1.1.2.2 jdolecek ZTRAPENTRY(T_DNA) 83 1.1.2.2 jdolecek IDTVEC_END(trap07) 84 1.1.2.2 jdolecek 85 1.1.2.2 jdolecek IDTVEC(trap08) 86 1.1.2.2 jdolecek TRAPENTRY(T_DOUBLEFLT) 87 1.1.2.2 jdolecek IDTVEC_END(trap08) 88 1.1.2.2 jdolecek 89 1.1.2.2 jdolecek IDTVEC(trap09) 90 1.1.2.2 jdolecek ZTRAPENTRY(T_FPOPFLT) 91 1.1.2.2 jdolecek IDTVEC_END(trap09) 92 1.1.2.2 jdolecek 93 1.1.2.2 jdolecek IDTVEC(trap0a) 94 1.1.2.2 jdolecek TRAPENTRY(T_TSSFLT) 95 1.1.2.2 jdolecek IDTVEC_END(trap0a) 96 1.1.2.2 jdolecek 97 1.1.2.2 jdolecek IDTVEC(trap0b) /* #NP() Segment not present */ 98 1.1.2.2 jdolecek ZTRAPENTRY(T_SEGNPFLT) 99 1.1.2.2 jdolecek IDTVEC_END(trap0b) 100 1.1.2.2 jdolecek 101 1.1.2.2 jdolecek IDTVEC(trap0c) /* #SS() Stack exception */ 102 1.1.2.2 jdolecek ZTRAPENTRY(T_STKFLT) 103 1.1.2.2 jdolecek IDTVEC_END(trap0c) 104 1.1.2.2 jdolecek 105 1.1.2.2 jdolecek IDTVEC(trap0d) /* #GP() General protection */ 106 1.1.2.2 jdolecek ZTRAPENTRY(T_PROTFLT) 107 1.1.2.2 jdolecek IDTVEC_END(trap0d) 108 1.1.2.2 jdolecek 109 1.1.2.2 jdolecek IDTVEC(trap0e) 110 1.1.2.2 jdolecek TRAPENTRY(T_PAGEFLT) 111 1.1.2.2 jdolecek IDTVEC_END(trap0e) 112 1.1.2.2 jdolecek 113 1.1.2.2 jdolecek IDTVEC(trap0f) 114 1.1.2.2 jdolecek ZTRAPENTRY(T_ASTFLT) 115 1.1.2.2 jdolecek IDTVEC_END(trap0f) 116 1.1.2.2 jdolecek 117 1.1.2.2 jdolecek IDTVEC(trap10) 118 1.1.2.2 jdolecek ZTRAPENTRY(T_ARITHTRAP) 119 1.1.2.2 jdolecek IDTVEC_END(trap10) 120 1.1.2.2 jdolecek 121 1.1.2.2 jdolecek IDTVEC(trap11) 122 1.1.2.2 jdolecek TRAPENTRY(T_ALIGNFLT) 123 1.1.2.2 jdolecek IDTVEC_END(trap11) 124 1.1.2.2 jdolecek 125 1.1.2.2 jdolecek IDTVEC(trap12) 126 1.1.2.2 jdolecek ZTRAPENTRY(T_MCA) 127 1.1.2.2 jdolecek IDTVEC_END(trap12) 128 1.1.2.2 jdolecek 129 1.1.2.2 jdolecek IDTVEC(trap13) 130 1.1.2.2 jdolecek ZTRAPENTRY(T_XMM) 131 1.1.2.2 jdolecek IDTVEC_END(trap13) 132 1.1.2.2 jdolecek 133 1.1.2.2 jdolecek IDTVEC(trap14) 134 1.1.2.2 jdolecek IDTVEC(trap15) 135 1.1.2.2 jdolecek IDTVEC(trap16) 136 1.1.2.2 jdolecek IDTVEC(trap17) 137 1.1.2.2 jdolecek IDTVEC(trap18) 138 1.1.2.2 jdolecek IDTVEC(trap19) 139 1.1.2.2 jdolecek IDTVEC(trap1a) 140 1.1.2.2 jdolecek IDTVEC(trap1b) 141 1.1.2.2 jdolecek IDTVEC(trap1c) 142 1.1.2.2 jdolecek IDTVEC(trap1d) 143 1.1.2.2 jdolecek IDTVEC(trap1e) 144 1.1.2.2 jdolecek IDTVEC(trap1f) 145 1.1.2.2 jdolecek /* 20 - 31 reserved for future exp */ 146 1.1.2.2 jdolecek ZTRAPENTRY(T_RESERVED) 147 1.1.2.2 jdolecek IDTVEC_END(trap1f) 148 1.1.2.2 jdolecek IDTVEC_END(trap1e) 149 1.1.2.2 jdolecek IDTVEC_END(trap1d) 150 1.1.2.2 jdolecek IDTVEC_END(trap1c) 151 1.1.2.2 jdolecek IDTVEC_END(trap1b) 152 1.1.2.2 jdolecek IDTVEC_END(trap1a) 153 1.1.2.2 jdolecek IDTVEC_END(trap19) 154 1.1.2.2 jdolecek IDTVEC_END(trap18) 155 1.1.2.2 jdolecek IDTVEC_END(trap17) 156 1.1.2.2 jdolecek IDTVEC_END(trap16) 157 1.1.2.2 jdolecek IDTVEC_END(trap15) 158 1.1.2.2 jdolecek IDTVEC_END(trap14) 159 1.1.2.2 jdolecek 160 1.1.2.2 jdolecek IDTVEC(exceptions) 161 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap00), _C_LABEL(Xtrap01) 162 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap02), _C_LABEL(Xtrap03) 163 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap04), _C_LABEL(Xtrap05) 164 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap06), _C_LABEL(Xtrap07) 165 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap08), _C_LABEL(Xtrap09) 166 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap0a), _C_LABEL(Xtrap0b) 167 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap0c), _C_LABEL(Xtrap0d) 168 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap0e), _C_LABEL(Xtrap0f) 169 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap10), _C_LABEL(Xtrap11) 170 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap12), _C_LABEL(Xtrap13) 171 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap14), _C_LABEL(Xtrap15) 172 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap16), _C_LABEL(Xtrap17) 173 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap18), _C_LABEL(Xtrap19) 174 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap1a), _C_LABEL(Xtrap1b) 175 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap1c), _C_LABEL(Xtrap1d) 176 1.1.2.2 jdolecek .quad _C_LABEL(Xtrap1e), _C_LABEL(Xtrap1f) 177 1.1.2.2 jdolecek IDTVEC_END(exceptions) 178 1.1.2.2 jdolecek 179 1.1.2.2 jdolecek /* 180 1.1.2.2 jdolecek * Arguments pushed on the stack: 181 1.1.2.2 jdolecek * tf_trapno 182 1.1.2.2 jdolecek * tf_err: Dummy inserted if not defined 183 1.1.2.2 jdolecek * tf_rip 184 1.1.2.2 jdolecek * tf_cs 185 1.1.2.2 jdolecek * tf_rflags 186 1.1.2.2 jdolecek * tf_rsp 187 1.1.2.2 jdolecek * tf_ss 188 1.1.2.2 jdolecek */ 189 1.1.2.2 jdolecek 190 1.1.2.2 jdolecek NENTRY(alltraps) 191 1.1.2.2 jdolecek movq %rsp,%rdi 192 1.1.2.2 jdolecek call _C_LABEL(trap) 193 1.1.2.2 jdolecek /* NOTREACHED */ 194 1.1.2.2 jdolecek END(alltraps) 195
Indexes created Thu Oct 23 22:10:10 GMT 2025