1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)frame.h 5.2 (Berkeley) 1/18/91 37 * $FreeBSD$ 38 */ 39 40 #ifndef _MACHINE_FRAME_H_ 41 #define _MACHINE_FRAME_H_ 1 42 43 /* 44 * System stack frames. 45 */ 46 47 /* 48 * Exception/Trap Stack Frame 49 */ 50 51 struct trapframe { 52 int tf_fs; 53 int tf_es; 54 int tf_ds; 55 int tf_edi; 56 int tf_esi; 57 int tf_ebp; 58 int tf_isp; 59 int tf_ebx; 60 int tf_edx; 61 int tf_ecx; 62 int tf_eax; 63 int tf_trapno; 64 /* below portion defined in 386 hardware */ 65 int tf_err; 66 int tf_eip; 67 int tf_cs; 68 int tf_eflags; 69 /* below only when crossing rings (e.g. user to kernel) */ 70 int tf_esp; 71 int tf_ss; 72 }; 73 74 /* Superset of trap frame, for traps from virtual-8086 mode */ 75 76 struct trapframe_vm86 { 77 int tf_fs; 78 int tf_es; 79 int tf_ds; 80 int tf_edi; 81 int tf_esi; 82 int tf_ebp; 83 int tf_isp; 84 int tf_ebx; 85 int tf_edx; 86 int tf_ecx; 87 int tf_eax; 88 int tf_trapno; 89 /* below portion defined in 386 hardware */ 90 int tf_err; 91 int tf_eip; 92 int tf_cs; 93 int tf_eflags; 94 /* below only when crossing rings (e.g. user to kernel) */ 95 int tf_esp; 96 int tf_ss; 97 /* below only when switching out of VM86 mode */ 98 int tf_vm86_es; 99 int tf_vm86_ds; 100 int tf_vm86_fs; 101 int tf_vm86_gs; 102 }; 103 104 /* Interrupt stack frame */ 105 106 struct intrframe { 107 int if_vec; 108 int if_fs; 109 int if_es; 110 int if_ds; 111 int if_edi; 112 int if_esi; 113 int if_ebp; 114 int :32; 115 int if_ebx; 116 int if_edx; 117 int if_ecx; 118 int if_eax; 119 int :32; /* for compat with trap frame - trapno */ 120 int :32; /* for compat with trap frame - err */ 121 /* below portion defined in 386 hardware */ 122 int if_eip; 123 int if_cs; 124 int if_eflags; 125 /* below only when crossing rings (e.g. user to kernel) */ 126 int if_esp; 127 int if_ss; 128 }; 129 130 /* frame of clock (same as interrupt frame) */ 131 132 struct clockframe { 133 int cf_vec; 134 int cf_fs; 135 int cf_es; 136 int cf_ds; 137 int cf_edi; 138 int cf_esi; 139 int cf_ebp; 140 int :32; 141 int cf_ebx; 142 int cf_edx; 143 int cf_ecx; 144 int cf_eax; 145 int :32; /* for compat with trap frame - trapno */ 146 int :32; /* for compat with trap frame - err */ 147 /* below portion defined in 386 hardware */ 148 int cf_eip; 149 int cf_cs; 150 int cf_eflags; 151 /* below only when crossing rings (e.g. user to kernel) */ 152 int cf_esp; 153 int cf_ss; 154 }; 155 156 int kdb_trap(int, int, struct trapframe *); 157 extern int (*pmath_emulate)(struct trapframe *); 158 159 #define INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs) 160 161 #endif /* _MACHINE_FRAME_H_ */ 162