trap.S revision 1.1
1 1.1 maxv /* $NetBSD: trap.S,v 1.1 2017/10/10 09:29:14 maxv Exp $ */ 2 1.1 maxv 3 1.1 maxv /* 4 1.1 maxv * Copyright (c) 2017 The NetBSD Foundation, Inc. All rights reserved. 5 1.1 maxv * 6 1.1 maxv * This code is derived from software contributed to The NetBSD Foundation 7 1.1 maxv * by Maxime Villard. 8 1.1 maxv * 9 1.1 maxv * Redistribution and use in source and binary forms, with or without 10 1.1 maxv * modification, are permitted provided that the following conditions 11 1.1 maxv * are met: 12 1.1 maxv * 1. Redistributions of source code must retain the above copyright 13 1.1 maxv * notice, this list of conditions and the following disclaimer. 14 1.1 maxv * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 maxv * notice, this list of conditions and the following disclaimer in the 16 1.1 maxv * documentation and/or other materials provided with the distribution. 17 1.1 maxv * 18 1.1 maxv * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.1 maxv * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.1 maxv * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.1 maxv * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.1 maxv * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.1 maxv * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.1 maxv * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.1 maxv * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.1 maxv * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.1 maxv * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.1 maxv * POSSIBILITY OF SUCH DAMAGE. 29 1.1 maxv */ 30 1.1 maxv 31 1.1 maxv #define _KERNEL 32 1.1 maxv 33 1.1 maxv /* Override user-land alignment before including asm.h */ 34 1.1 maxv #define ALIGN_DATA .align 8 35 1.1 maxv #define ALIGN_TEXT .align 16,0x90 36 1.1 maxv #define _ALIGN_TEXT ALIGN_TEXT 37 1.1 maxv 38 1.1 maxv #include <machine/asm.h> 39 1.1 maxv 40 1.1 maxv #include <machine/trap.h> 41 1.1 maxv 42 1.1 maxv #define TRAPENTRY(a) \ 43 1.1 maxv pushq $(a); \ 44 1.1 maxv jmp _C_LABEL(alltraps); 45 1.1 maxv 46 1.1 maxv #define ZTRAPENTRY(a) \ 47 1.1 maxv pushq $0; \ 48 1.1 maxv pushq $(a); \ 49 1.1 maxv jmp _C_LABEL(alltraps); 50 1.1 maxv 51 1.1 maxv .text 52 1.1 maxv 53 1.1 maxv IDTVEC(trap00) 54 1.1 maxv ZTRAPENTRY(T_DIVIDE) 55 1.1 maxv IDTVEC_END(trap00) 56 1.1 maxv 57 1.1 maxv IDTVEC(trap01) 58 1.1 maxv ZTRAPENTRY(T_TRCTRAP) 59 1.1 maxv IDTVEC_END(trap01) 60 1.1 maxv 61 1.1 maxv IDTVEC(trap02) 62 1.1 maxv ZTRAPENTRY(T_NMI) 63 1.1 maxv IDTVEC_END(trap02) 64 1.1 maxv 65 1.1 maxv IDTVEC(trap03) 66 1.1 maxv ZTRAPENTRY(T_BPTFLT) 67 1.1 maxv IDTVEC_END(trap03) 68 1.1 maxv 69 1.1 maxv IDTVEC(trap04) 70 1.1 maxv ZTRAPENTRY(T_OFLOW) 71 1.1 maxv IDTVEC_END(trap04) 72 1.1 maxv 73 1.1 maxv IDTVEC(trap05) 74 1.1 maxv ZTRAPENTRY(T_BOUND) 75 1.1 maxv IDTVEC_END(trap05) 76 1.1 maxv 77 1.1 maxv IDTVEC(trap06) 78 1.1 maxv ZTRAPENTRY(T_PRIVINFLT) 79 1.1 maxv IDTVEC_END(trap06) 80 1.1 maxv 81 1.1 maxv IDTVEC(trap07) 82 1.1 maxv ZTRAPENTRY(T_DNA) 83 1.1 maxv IDTVEC_END(trap07) 84 1.1 maxv 85 1.1 maxv IDTVEC(trap08) 86 1.1 maxv TRAPENTRY(T_DOUBLEFLT) 87 1.1 maxv IDTVEC_END(trap08) 88 1.1 maxv 89 1.1 maxv IDTVEC(trap09) 90 1.1 maxv ZTRAPENTRY(T_FPOPFLT) 91 1.1 maxv IDTVEC_END(trap09) 92 1.1 maxv 93 1.1 maxv IDTVEC(trap0a) 94 1.1 maxv TRAPENTRY(T_TSSFLT) 95 1.1 maxv IDTVEC_END(trap0a) 96 1.1 maxv 97 1.1 maxv IDTVEC(trap0b) /* #NP() Segment not present */ 98 1.1 maxv ZTRAPENTRY(T_SEGNPFLT) 99 1.1 maxv IDTVEC_END(trap0b) 100 1.1 maxv 101 1.1 maxv IDTVEC(trap0c) /* #SS() Stack exception */ 102 1.1 maxv ZTRAPENTRY(T_STKFLT) 103 1.1 maxv IDTVEC_END(trap0c) 104 1.1 maxv 105 1.1 maxv IDTVEC(trap0d) /* #GP() General protection */ 106 1.1 maxv ZTRAPENTRY(T_PROTFLT) 107 1.1 maxv IDTVEC_END(trap0d) 108 1.1 maxv 109 1.1 maxv IDTVEC(trap0e) 110 1.1 maxv TRAPENTRY(T_PAGEFLT) 111 1.1 maxv IDTVEC_END(trap0e) 112 1.1 maxv 113 1.1 maxv IDTVEC(trap0f) 114 1.1 maxv ZTRAPENTRY(T_ASTFLT) 115 1.1 maxv IDTVEC_END(trap0f) 116 1.1 maxv 117 1.1 maxv IDTVEC(trap10) 118 1.1 maxv ZTRAPENTRY(T_ARITHTRAP) 119 1.1 maxv IDTVEC_END(trap10) 120 1.1 maxv 121 1.1 maxv IDTVEC(trap11) 122 1.1 maxv TRAPENTRY(T_ALIGNFLT) 123 1.1 maxv IDTVEC_END(trap11) 124 1.1 maxv 125 1.1 maxv IDTVEC(trap12) 126 1.1 maxv ZTRAPENTRY(T_MCA) 127 1.1 maxv IDTVEC_END(trap12) 128 1.1 maxv 129 1.1 maxv IDTVEC(trap13) 130 1.1 maxv ZTRAPENTRY(T_XMM) 131 1.1 maxv IDTVEC_END(trap13) 132 1.1 maxv 133 1.1 maxv IDTVEC(trap14) 134 1.1 maxv IDTVEC(trap15) 135 1.1 maxv IDTVEC(trap16) 136 1.1 maxv IDTVEC(trap17) 137 1.1 maxv IDTVEC(trap18) 138 1.1 maxv IDTVEC(trap19) 139 1.1 maxv IDTVEC(trap1a) 140 1.1 maxv IDTVEC(trap1b) 141 1.1 maxv IDTVEC(trap1c) 142 1.1 maxv IDTVEC(trap1d) 143 1.1 maxv IDTVEC(trap1e) 144 1.1 maxv IDTVEC(trap1f) 145 1.1 maxv /* 20 - 31 reserved for future exp */ 146 1.1 maxv ZTRAPENTRY(T_RESERVED) 147 1.1 maxv IDTVEC_END(trap1f) 148 1.1 maxv IDTVEC_END(trap1e) 149 1.1 maxv IDTVEC_END(trap1d) 150 1.1 maxv IDTVEC_END(trap1c) 151 1.1 maxv IDTVEC_END(trap1b) 152 1.1 maxv IDTVEC_END(trap1a) 153 1.1 maxv IDTVEC_END(trap19) 154 1.1 maxv IDTVEC_END(trap18) 155 1.1 maxv IDTVEC_END(trap17) 156 1.1 maxv IDTVEC_END(trap16) 157 1.1 maxv IDTVEC_END(trap15) 158 1.1 maxv IDTVEC_END(trap14) 159 1.1 maxv 160 1.1 maxv IDTVEC(exceptions) 161 1.1 maxv .quad _C_LABEL(Xtrap00), _C_LABEL(Xtrap01) 162 1.1 maxv .quad _C_LABEL(Xtrap02), _C_LABEL(Xtrap03) 163 1.1 maxv .quad _C_LABEL(Xtrap04), _C_LABEL(Xtrap05) 164 1.1 maxv .quad _C_LABEL(Xtrap06), _C_LABEL(Xtrap07) 165 1.1 maxv .quad _C_LABEL(Xtrap08), _C_LABEL(Xtrap09) 166 1.1 maxv .quad _C_LABEL(Xtrap0a), _C_LABEL(Xtrap0b) 167 1.1 maxv .quad _C_LABEL(Xtrap0c), _C_LABEL(Xtrap0d) 168 1.1 maxv .quad _C_LABEL(Xtrap0e), _C_LABEL(Xtrap0f) 169 1.1 maxv .quad _C_LABEL(Xtrap10), _C_LABEL(Xtrap11) 170 1.1 maxv .quad _C_LABEL(Xtrap12), _C_LABEL(Xtrap13) 171 1.1 maxv .quad _C_LABEL(Xtrap14), _C_LABEL(Xtrap15) 172 1.1 maxv .quad _C_LABEL(Xtrap16), _C_LABEL(Xtrap17) 173 1.1 maxv .quad _C_LABEL(Xtrap18), _C_LABEL(Xtrap19) 174 1.1 maxv .quad _C_LABEL(Xtrap1a), _C_LABEL(Xtrap1b) 175 1.1 maxv .quad _C_LABEL(Xtrap1c), _C_LABEL(Xtrap1d) 176 1.1 maxv .quad _C_LABEL(Xtrap1e), _C_LABEL(Xtrap1f) 177 1.1 maxv IDTVEC_END(exceptions) 178 1.1 maxv 179 1.1 maxv /* 180 1.1 maxv * Arguments pushed on the stack: 181 1.1 maxv * tf_trapno 182 1.1 maxv * tf_err: Dummy inserted if not defined 183 1.1 maxv * tf_rip 184 1.1 maxv * tf_cs 185 1.1 maxv * tf_rflags 186 1.1 maxv * tf_rsp 187 1.1 maxv * tf_ss 188 1.1 maxv */ 189 1.1 maxv 190 1.1 maxv NENTRY(alltraps) 191 1.1 maxv movq %rsp,%rdi 192 1.1 maxv call _C_LABEL(trap) 193 1.1 maxv /* NOTREACHED */ 194 1.1 maxv END(alltraps) 195
Indexes created Sun Oct 19 22:09:57 GMT 2025