1 /* $OpenBSD: frame.h,v 1.11 2024/01/31 06:06:28 guenther Exp $ */ 2 /* $NetBSD: frame.h,v 1.1 2003/04/26 18:39:40 fvdl Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1990 The Regents of the University of California. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to Berkeley by 38 * William Jolitz. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)frame.h 5.2 (Berkeley) 1/18/91 65 */ 66 67 /* 68 * Adapted for NetBSD/amd64 by fvdl@wasabisystems.com 69 */ 70 71 #ifndef _MACHINE_FRAME_H_ 72 #define _MACHINE_FRAME_H_ 73 74 #include <sys/signal.h> 75 #include <machine/fpu.h> 76 77 /* 78 * System stack frames. 79 */ 80 81 /* 82 * Exception/Trap Stack Frame 83 */ 84 struct trapframe { 85 int64_t tf_rdi; /* ordered by syscall args... */ 86 int64_t tf_rsi; 87 int64_t tf_rdx; 88 int64_t tf_r10; 89 int64_t tf_r8; 90 int64_t tf_r9; /* ...to here */ 91 int64_t tf_rcx; 92 int64_t tf_r11; 93 int64_t tf_r12; 94 int64_t tf_r13; 95 int64_t tf_r14; 96 int64_t tf_r15; 97 int64_t tf_err; /* not the hardware position */ 98 int64_t tf_rbx; 99 int64_t tf_rax; 100 int64_t tf_trapno; 101 int64_t tf_rbp; /* hardware puts err here, INTRENTRY() moves it up */ 102 /* below portion defined in hardware */ 103 int64_t tf_rip; 104 int64_t tf_cs; 105 int64_t tf_rflags; 106 /* These are pushed unconditionally on the x86-64 */ 107 int64_t tf_rsp; 108 int64_t tf_ss; 109 }; 110 111 /* 112 * Interrupt stack frame 113 */ 114 struct intrframe { 115 int64_t if_rdi; 116 int64_t if_rsi; 117 int64_t if_rdx; 118 int64_t if_r10; 119 int64_t if_r8; 120 int64_t if_r9; 121 int64_t if_rcx; 122 int64_t if_r11; 123 int64_t if_r12; 124 int64_t if_r13; 125 int64_t if_r14; 126 int64_t if_r15; 127 int64_t if_err; /* IREENT_MAGIC if resume/recurse */ 128 int64_t if_rbx; 129 int64_t if_rax; 130 int64_t if_ppl; /* previous priority level */ 131 int64_t if_rbp; 132 /* below portion defined in hardware */ 133 int64_t if_rip; 134 int64_t if_cs; 135 int64_t if_rflags; 136 /* These are pushed unconditionally on the x86-64 */ 137 int64_t if_rsp; 138 int64_t if_ss; 139 }; 140 141 142 /* 143 * The trampoline frame used on the kernel stack page which is present 144 * but kernel-only, in the page tables used when in userspace. This is 145 * the minimum for iretq operation. 146 */ 147 struct iretq_frame { 148 int64_t iretq_rip; 149 int64_t iretq_cs; 150 int64_t iretq_rflags; 151 int64_t iretq_rsp; 152 int64_t iretq_ss; 153 }; 154 155 /* 156 * Stack frame inside cpu_switch() 157 */ 158 struct switchframe { 159 int64_t sf_r15; 160 int64_t sf_r14; 161 int64_t sf_r13; 162 int64_t sf_r12; 163 int64_t sf_rbp; 164 int64_t sf_rbx; 165 int64_t sf_rip; 166 }; 167 168 struct callframe { 169 struct callframe *f_frame; 170 long f_retaddr; 171 long f_arg0; 172 }; 173 174 #endif /* _MACHINE_FRAME_H_ */ 175