frame.h revision 1.11
1 /* $NetBSD: frame.h,v 1.11 1996/03/12 22:21:51 is Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: frame.h 1.8 92/12/20$ 41 * 42 * @(#)frame.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 struct frame { 46 struct trapframe { 47 int tf_regs[16]; 48 short tf_pad; 49 short tf_stackadj; 50 u_short tf_sr; 51 u_int tf_pc; 52 u_short tf_format:4, 53 tf_vector:12; 54 } F_t; 55 union F_u { 56 struct fmt2 { 57 u_int f_iaddr; 58 } F_fmt2; 59 60 struct fmt3 { 61 u_int f_ea; 62 } F_fmt3; 63 64 struct fmt4 { 65 u_int f_fa; 66 u_int f_fslw; 67 /* for 060FP type 4 FP disabled frames: */ 68 #define f_fea f_fa 69 #define f_pcfi f_fslw 70 } F_fmt4; 71 72 struct fmt7 { 73 u_int f_ea; 74 u_short f_ssw; 75 u_short f_wb3s, f_wb2s, f_wb1s; 76 u_int f_fa; 77 u_int f_wb3a, f_wb3d; 78 u_int f_wb2a, f_wb2d; 79 u_int f_wb1a, f_wb1d; 80 #define f_pd0 f_wb1d 81 u_int f_pd1, f_pd2, f_pd3; 82 } F_fmt7; 83 84 struct fmt9 { 85 u_int f_iaddr; 86 u_short f_iregs[4]; 87 } F_fmt9; 88 89 struct fmtA { 90 u_short f_ir0; 91 u_short f_ssw; 92 u_short f_ipsc; 93 u_short f_ipsb; 94 u_int f_dcfa; 95 u_short f_ir1, f_ir2; 96 u_int f_dob; 97 u_short f_ir3, f_ir4; 98 } F_fmtA; 99 100 struct fmtB { 101 u_short f_ir0; 102 u_short f_ssw; 103 u_short f_ipsc; 104 u_short f_ipsb; 105 u_int f_dcfa; 106 u_short f_ir1, f_ir2; 107 u_int f_dob; 108 u_short f_ir3, f_ir4; 109 u_short f_ir5, f_ir6; 110 u_int f_sba; 111 u_short f_ir7, f_ir8; 112 u_int f_dib; 113 u_short f_iregs[22]; 114 } F_fmtB; 115 } F_u; 116 }; 117 118 #define f_regs F_t.tf_regs 119 #define f_pad F_t.tf_pad 120 #define f_stackadj F_t.tf_stackadj 121 #define f_sr F_t.tf_sr 122 #define f_pc F_t.tf_pc 123 #define f_format F_t.tf_format 124 #define f_vector F_t.tf_vector 125 #define f_fmt2 F_u.F_fmt2 126 #define f_fmt3 F_u.F_fmt3 127 #define f_fmt4 F_u.F_fmt4 128 #define f_fmt7 F_u.F_fmt7 129 #define f_fmt9 F_u.F_fmt9 130 #define f_fmtA F_u.F_fmtA 131 #define f_fmtB F_u.F_fmtB 132 133 struct switchframe { 134 u_int sf_pc; 135 }; 136 137 /* common frame size */ 138 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u)) 139 #define NFMTSIZE 9 140 141 #define FMT0 0x0 142 #define FMT1 0x1 143 #define FMT2 0x2 144 #define FMT3 0x3 145 #define FMT4 0x4 146 #define FMT7 0x7 147 #define FMT9 0x9 148 #define FMTA 0xA 149 #define FMTB 0xB 150 151 /* frame specific info sizes */ 152 #define FMT0SIZE 0 153 #define FMT1SIZE 0 154 #define FMT2SIZE sizeof(struct fmt2) 155 #define FMT3SIZE sizeof(struct fmt3) 156 #define FMT4SIZE sizeof(struct fmt4) 157 #define FMT7SIZE sizeof(struct fmt7) 158 #define FMT9SIZE sizeof(struct fmt9) 159 #define FMTASIZE sizeof(struct fmtA) 160 #define FMTBSIZE sizeof(struct fmtB) 161 162 #define V_BUSERR 0x008 163 #define V_ADDRERR 0x00C 164 #define V_TRAP1 0x084 165 166 /* 68020/68030 SSW bits */ 167 #define SSW_RC 0x2000 168 #define SSW_RB 0x1000 169 #define SSW_DF 0x0100 170 #define SSW_RM 0x0080 171 #define SSW_RW 0x0040 172 #define SSW_FCMASK 0x0007 173 174 /* 68040 SSW bits */ 175 #define SSW4_CP 0x8000 176 #define SSW4_CU 0x4000 177 #define SSW4_CT 0x2000 178 #define SSW4_CM 0x1000 179 #define SSW4_MA 0x0800 180 #define SSW4_ATC 0x0400 181 #define SSW4_LK 0x0200 182 #define SSW4_RW 0x0100 183 #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */ 184 #define SSW4_SZMASK 0x0060 185 #define SSW4_SZLW 0x0000 186 #define SSW4_SZB 0x0020 187 #define SSW4_SZW 0x0040 188 #define SSW4_SZLN 0x0060 189 #define SSW4_TTMASK 0x0018 190 #define SSW4_TTNOR 0x0000 191 #define SSW4_TTM16 0x0008 192 #define SSW4_TMMASK 0x0007 193 #define SSW4_TMDCP 0x0000 194 #define SSW4_TMUD 0x0001 195 #define SSW4_TMUC 0x0002 196 #define SSW4_TMKD 0x0005 197 #define SSW4_TMKC 0x0006 198 199 /* 060 Fault Status Long Word (FPSP) */ 200 201 #define FSLW_MA 0x08000000 202 #define FSLW_LK 0x02000000 203 #define FSLW_RW 0x01800000 204 #define FSLW_SIZE 0x00600000 205 206 /* 207 * We better define the FSLW_SIZE values here, as the table given in the 208 * MC68060UM/AD rev. 0/1 p. 8-23 is wrong, and was corrected in the errata 209 * document. 210 */ 211 #define FSLW_SIZE_LONG 0x00000000 212 #define FSLW_SIZE_BYTE 0x00200000 213 #define FSLW_SIZE_WORD 0x00400000 214 #define FSLW_SIZE_MV16 0x00600000 215 216 #define FLSW_TT 0x00180000 217 #define FSLW_TM 0x00070000 218 219 #define FSLW_IO 0x00008000 220 #define FSLW_PBE 0x00004000 221 #define FSLW_SBE 0x00002000 222 #define FSLW_PTA 0x00001000 223 #define FSLW_PTB 0x00000800 224 #define FSLW_IL 0x00000400 225 #define FSLW_PF 0x00000200 226 #define FSLW_SP 0x00000100 227 #define FSLW_WP 0x00000080 228 #define FSLW_TWE 0x00000040 229 #define FSLW_RE 0x00000020 230 #define FSLW_WE 0x00000010 231 #define FSLW_TTR 0x00000008 232 #define FSLW_BPE 0x00000004 233 #define FSLW_SEE 0x00000001 234 235 struct fpframe { 236 union FPF_u1 { 237 u_int FPF_null; 238 struct { 239 u_char FPF_version; 240 u_char FPF_fsize; 241 u_short FPF_res1; 242 } FPF_nonnull; 243 } FPF_u1; 244 union FPF_u2 { 245 struct fpidle { 246 u_short fpf_ccr; 247 u_short fpf_res2; 248 u_int fpf_iregs1[8]; 249 u_int fpf_xops[3]; 250 u_int fpf_opreg; 251 u_int fpf_biu; 252 } FPF_idle; 253 254 struct fpbusy { 255 u_int fpf_iregs[53]; 256 } FPF_busy; 257 258 struct fpunimp { 259 u_int fpf_state[10]; 260 } FPF_unimp; 261 } FPF_u2; 262 u_int fpf_regs[8*3]; 263 u_int fpf_fpcr; 264 u_int fpf_fpsr; 265 u_int fpf_fpiar; 266 }; 267 268 #define fpf_null FPF_u1.FPF_null 269 #define fpf_version FPF_u1.FPF_nonnull.FPF_version 270 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize 271 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1 272 #define fpf_idle FPF_u2.FPF_idle 273 #define fpf_busy FPF_u2.FPF_busy 274 #define fpf_unimp FPF_u2.FPF_unimp 275 276 /* 277 * This is incompatible with the earlier one; expecially, an earlier frame 278 * must not be FRESTOREd on a 060 or vv, because a frame error exception is 279 * not guaranteed. 280 */ 281 282 283 struct fpframe060 { 284 u_short fpf6_excp_exp; 285 u_char fpf6_frmfmt; 286 #define FPF6_FMT_NULL 0x00 287 #define FPF6_FMT_IDLE 0x60 288 #define FPF6_FMT_EXCP 0xe0 289 290 u_char fpf6_v; 291 #define FPF6_V_BSUN 0 292 #define FPF6_V_INEX12 1 293 #define FPF6_V_DZ 2 294 #define FPF6_V_UNFL 3 295 #define FPF6_V_OPERR 4 296 #define FPF6_V_OVFL 5 297 #define FPF6_V_SNAN 6 298 #define FPF6_V_UNSUP 7 299 300 u_long fpf6_upper, fpf6_lower; 301 }; 302
Indexes created Wed Sep 24 15:09:51 GMT 2025