1 /* $NetBSD: cpuframe.h,v 1.4 2005/12/11 12:17:53 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 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 * from: Utah $Hdr: frame.h 1.8 92/12/20$ 36 * 37 * @(#)frame.h 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: frame.h 1.8 92/12/20$ 75 * 76 * @(#)frame.h 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifndef _M68K_CPUFRAME_H_ 80 #define _M68K_CPUFRAME_H_ 81 82 struct frame { 83 struct trapframe { 84 int tf_regs[16]; 85 short tf_pad; 86 short tf_stackadj; 87 u_short tf_sr; 88 u_int tf_pc; 89 u_short /* BITFIELDTYPE */ tf_format:4, 90 /* BITFIELDTYPE */ tf_vector:12; 91 } __attribute__((packed)) F_t; 92 union F_u { 93 struct fmt2 { 94 u_int f_iaddr; 95 } F_fmt2; 96 97 struct fmt3 { 98 u_int f_ea; 99 } F_fmt3; 100 101 struct fmt4 { 102 u_int f_fa; 103 u_int f_fslw; 104 /* for 060FP type 4 FP disabled frames: */ 105 #define f_fea f_fa 106 #define f_pcfi f_fslw 107 } F_fmt4; 108 109 struct fmt7 { 110 u_int f_ea; 111 u_short f_ssw; 112 u_short f_wb3s, f_wb2s, f_wb1s; 113 u_int f_fa; 114 u_int f_wb3a, f_wb3d; 115 u_int f_wb2a, f_wb2d; 116 u_int f_wb1a, f_wb1d; 117 #define f_pd0 f_wb1d 118 u_int f_pd1, f_pd2, f_pd3; 119 } F_fmt7; 120 121 struct fmt8 { 122 u_short f_ssw; 123 u_int f_accaddr; 124 u_short f_ir0; 125 u_short f_dob; 126 u_short f_ir1; 127 u_short f_dib; 128 u_short f_ir2; 129 u_short f_irc; 130 u_short f_maskpc; 131 u_short f_iregs[15]; 132 } __attribute__((packed)) F_fmt8; 133 134 struct fmt9 { 135 u_int f_iaddr; 136 u_short f_iregs[4]; 137 } F_fmt9; 138 139 struct fmtA { 140 u_short f_ir0; 141 u_short f_ssw; 142 u_short f_ipsc; 143 u_short f_ipsb; 144 u_int f_dcfa; 145 u_short f_ir1, f_ir2; 146 u_int f_dob; 147 u_short f_ir3, f_ir4; 148 } F_fmtA; 149 150 struct fmtB { 151 u_short f_ir0; 152 u_short f_ssw; 153 u_short f_ipsc; 154 u_short f_ipsb; 155 u_int f_dcfa; 156 u_short f_ir1, f_ir2; 157 u_int f_dob; 158 u_short f_ir3, f_ir4; 159 u_short f_ir5, f_ir6; 160 u_int f_sba; 161 u_short f_ir7, f_ir8; 162 u_int f_dib; 163 u_short f_iregs[22]; 164 } F_fmtB; 165 } F_u; 166 }; 167 168 #define f_regs F_t.tf_regs 169 #define f_pad F_t.tf_pad 170 #define f_stackadj F_t.tf_stackadj 171 #define f_sr F_t.tf_sr 172 #define f_pc F_t.tf_pc 173 #define f_format F_t.tf_format 174 #define f_vector F_t.tf_vector 175 #define f_fmt2 F_u.F_fmt2 176 #define f_fmt3 F_u.F_fmt3 177 #define f_fmt4 F_u.F_fmt4 178 #define f_fmt7 F_u.F_fmt7 179 #define f_fmt8 F_u.F_fmt8 180 #define f_fmt9 F_u.F_fmt9 181 #define f_fmtA F_u.F_fmtA 182 #define f_fmtB F_u.F_fmtB 183 184 struct switchframe { 185 u_int sf_pc; 186 }; 187 188 struct fpframe { 189 union FPF_u1 { 190 u_int FPF_null; 191 struct { 192 u_char FPF_version; 193 u_char FPF_fsize; 194 u_short FPF_res1; 195 } FPF_nonnull; 196 } FPF_u1; 197 union FPF_u2 { 198 struct fpidle { 199 u_short fpf_ccr; 200 u_short fpf_res2; 201 u_int fpf_iregs1[8]; 202 u_int fpf_xops[3]; 203 u_int fpf_opreg; 204 u_int fpf_biu; 205 } FPF_idle; 206 207 struct fpbusy { 208 u_int fpf_iregs[53]; 209 } FPF_busy; 210 211 struct fpunimp { 212 u_int fpf_state[10]; 213 } FPF_unimp; 214 } FPF_u2; 215 u_int fpf_regs[8*3]; 216 u_int fpf_fpcr; 217 u_int fpf_fpsr; 218 u_int fpf_fpiar; 219 }; 220 221 #define fpf_null FPF_u1.FPF_null 222 #define fpf_version FPF_u1.FPF_nonnull.FPF_version 223 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize 224 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1 225 #define fpf_idle FPF_u2.FPF_idle 226 #define fpf_busy FPF_u2.FPF_busy 227 #define fpf_unimp FPF_u2.FPF_unimp 228 229 /* 230 * This is incompatible with the earlier one; expecially, an earlier frame 231 * must not be FRESTOREd on a 060 or vv, because a frame error exception is 232 * not guaranteed. 233 */ 234 235 236 struct fpframe060 { 237 u_short fpf6_excp_exp; 238 u_char fpf6_frmfmt; 239 240 u_char fpf6_v; 241 242 u_long fpf6_upper, fpf6_lower; 243 }; 244 245 #endif /* _M68K_CPUFRAME_H_ */ 246