1 /* $NetBSD: frame.h,v 1.14 2005/12/11 12:18:58 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * William Jolitz. 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 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)frame.h 5.2 (Berkeley) 1/18/91 36 */ 37 38 /*- 39 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 40 * 41 * This code is derived from software contributed to Berkeley by 42 * William Jolitz. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 * 72 * @(#)frame.h 5.2 (Berkeley) 1/18/91 73 */ 74 75 #ifndef _SH3_FRAME_H_ 76 #define _SH3_FRAME_H_ 77 78 #include <sys/signal.h> 79 #include <sys/sa.h> 80 81 /* 82 * Exception Stack Frame 83 */ 84 struct trapframe { 85 /* software member */ 86 int tf_expevt; 87 int tf_ubc; 88 /* hardware registers */ 89 int tf_spc; 90 int tf_ssr; 91 int tf_macl; 92 int tf_mach; 93 int tf_pr; 94 int tf_r13; 95 int tf_r12; 96 int tf_r11; 97 int tf_r10; 98 int tf_r9; 99 int tf_r8; 100 int tf_r7; 101 int tf_r6; 102 int tf_r5; 103 int tf_r4; 104 int tf_r3; 105 int tf_r2; 106 int tf_r1; 107 int tf_r0; 108 int tf_r15; 109 int tf_r14; 110 }; 111 112 /* 113 * Stack frame inside cpu_switch() 114 */ 115 struct switchframe { 116 int sf_r15; 117 int sf_r14; 118 int sf_r13; 119 int sf_r12; 120 int sf_r11; 121 int sf_r10; 122 int sf_r9; 123 int sf_r8; 124 int sf_pr; 125 int sf_r6_bank; 126 int sf_sr; 127 int sf_r7_bank; 128 }; 129 130 /* 131 * Signal frame. 132 * 133 * NB: The order of sf_uc and sf_si is different from what other ports 134 * use (siginfo at the top of the stack), because we want to avoid 135 * wasting two instructions in __sigtramp_siginfo_2 to skip to the 136 * ucontext. Not that this order really matters, but I think this 137 * inconsistency deserves an explanation. 138 */ 139 struct sigframe_siginfo { 140 #if 0 /* in registers on entry to signal trampoline */ 141 int sf_signum; /* r4 - "signum" argument for handler */ 142 siginfo_t *sf_sip; /* r5 - "sip" argument for handler */ 143 ucontext_t *sf_ucp; /* r6 - "ucp" argument for handler */ 144 #endif 145 ucontext_t sf_uc; /* actual saved ucontext */ 146 siginfo_t sf_si; /* actual saved siginfo */ 147 }; 148 149 #if defined(COMPAT_16) && defined(_KERNEL) 150 /* 151 * Old signal frame format. 152 */ 153 struct sigframe_sigcontext { 154 #if 0 /* in registers on entry to signal trampoline */ 155 int sf_signum; /* r4 - "signum" argument for handler */ 156 int sf_code; /* r5 - "code" argument for handler */ 157 struct sigcontext *sf_scp; /* r6 - "scp" argument for handler */ 158 #endif 159 struct sigcontext sf_sc; /* actual saved context */ 160 }; 161 #endif 162 163 /* 164 * Scheduler activations upcall frame 165 */ 166 struct saframe { 167 #if 0 /* in registers on entry to upcallcode */ 168 int sa_type; /* r4 */ 169 struct sa_t ** sa_sas; /* r5 */ 170 int sa_events; /* r6 */ 171 int sa_interrupted; /* r7 */ 172 #endif 173 void * sa_arg; 174 }; 175 176 #endif /* !_SH3_FRAME_H_ */ 177