instr.h revision 1.1.10.2
1 1.1.10.2 simonb /* $NetBSD: instr.h,v 1.1.10.2 2001/06/13 06:01:49 simonb Exp $ */ 2 1.1.10.2 simonb 3 1.1.10.2 simonb /* 4 1.1.10.2 simonb * Copyright (c) 1992, 1993 5 1.1.10.2 simonb * The Regents of the University of California. All rights reserved. 6 1.1.10.2 simonb * 7 1.1.10.2 simonb * This software was developed by the Computer Systems Engineering group 8 1.1.10.2 simonb * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 1.1.10.2 simonb * contributed to Berkeley. 10 1.1.10.2 simonb * 11 1.1.10.2 simonb * All advertising materials mentioning features or use of this software 12 1.1.10.2 simonb * must display the following acknowledgement: 13 1.1.10.2 simonb * This product includes software developed by the University of 14 1.1.10.2 simonb * California, Lawrence Berkeley Laboratory. 15 1.1.10.2 simonb * 16 1.1.10.2 simonb * Redistribution and use in source and binary forms, with or without 17 1.1.10.2 simonb * modification, are permitted provided that the following conditions 18 1.1.10.2 simonb * are met: 19 1.1.10.2 simonb * 1. Redistributions of source code must retain the above copyright 20 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer. 21 1.1.10.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 22 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer in the 23 1.1.10.2 simonb * documentation and/or other materials provided with the distribution. 24 1.1.10.2 simonb * 3. All advertising materials mentioning features or use of this software 25 1.1.10.2 simonb * must display the following acknowledgement: 26 1.1.10.2 simonb * This product includes software developed by the University of 27 1.1.10.2 simonb * California, Berkeley and its contributors. 28 1.1.10.2 simonb * 4. Neither the name of the University nor the names of its contributors 29 1.1.10.2 simonb * may be used to endorse or promote products derived from this software 30 1.1.10.2 simonb * without specific prior written permission. 31 1.1.10.2 simonb * 32 1.1.10.2 simonb * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 1.1.10.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 1.1.10.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 1.1.10.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 1.1.10.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 1.1.10.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 1.1.10.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 1.1.10.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 1.1.10.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 1.1.10.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 1.1.10.2 simonb * SUCH DAMAGE. 43 1.1.10.2 simonb * 44 1.1.10.2 simonb * @(#)instr.h 8.1 (Berkeley) 6/11/93 45 1.1.10.2 simonb */ 46 1.1.10.2 simonb 47 1.1.10.2 simonb /* 48 1.1.10.2 simonb * An instruction. 49 1.1.10.2 simonb */ 50 1.1.10.2 simonb union instr { 51 1.1.10.2 simonb int i_int; /* as a whole */ 52 1.1.10.2 simonb 53 1.1.10.2 simonb 54 1.1.10.2 simonb /* 55 1.1.10.2 simonb * Any instruction type. 56 1.1.10.2 simonb */ 57 1.1.10.2 simonb struct { 58 1.1.10.2 simonb u_int i_opcd:6; /* first-level decode */ 59 1.1.10.2 simonb u_int :25; 60 1.1.10.2 simonb u_int i_rc:1; 61 1.1.10.2 simonb } i_any; 62 1.1.10.2 simonb 63 1.1.10.2 simonb /* 64 1.1.10.2 simonb * Format A 65 1.1.10.2 simonb */ 66 1.1.10.2 simonb struct { 67 1.1.10.2 simonb u_int i_opcd:6; 68 1.1.10.2 simonb u_int i_frt:5; 69 1.1.10.2 simonb u_int i_fra:5; 70 1.1.10.2 simonb u_int i_frb:5; 71 1.1.10.2 simonb u_int i_frc:5; 72 1.1.10.2 simonb u_int i_xo:5; 73 1.1.10.2 simonb u_int i_rc:1; 74 1.1.10.2 simonb } i_a; 75 1.1.10.2 simonb 76 1.1.10.2 simonb /* 77 1.1.10.2 simonb * Format B 78 1.1.10.2 simonb */ 79 1.1.10.2 simonb struct { 80 1.1.10.2 simonb u_int i_opcd:6; 81 1.1.10.2 simonb int i_bo:5; 82 1.1.10.2 simonb int i_bi:5; 83 1.1.10.2 simonb int i_bd:14; 84 1.1.10.2 simonb int i_aa:1; 85 1.1.10.2 simonb int i_lk:1; 86 1.1.10.2 simonb } i_b; 87 1.1.10.2 simonb 88 1.1.10.2 simonb /* 89 1.1.10.2 simonb * Format D 90 1.1.10.2 simonb */ 91 1.1.10.2 simonb struct { 92 1.1.10.2 simonb u_int i_opcd:6; 93 1.1.10.2 simonb u_int i_rs:5; 94 1.1.10.2 simonb u_int i_ra:5; 95 1.1.10.2 simonb int i_d:16; 96 1.1.10.2 simonb } i_d; 97 1.1.10.2 simonb 98 1.1.10.2 simonb /* 99 1.1.10.2 simonb * Format DE 100 1.1.10.2 simonb */ 101 1.1.10.2 simonb struct { 102 1.1.10.2 simonb u_int i_opcd:6; 103 1.1.10.2 simonb u_int i_rs:5; 104 1.1.10.2 simonb u_int i_ra:5; 105 1.1.10.2 simonb int i_d:12; 106 1.1.10.2 simonb u_int i_xo:4; 107 1.1.10.2 simonb } i_de; 108 1.1.10.2 simonb 109 1.1.10.2 simonb /* 110 1.1.10.2 simonb * Format I 111 1.1.10.2 simonb */ 112 1.1.10.2 simonb struct { 113 1.1.10.2 simonb u_int i_opcd:6; 114 1.1.10.2 simonb int i_li:24; 115 1.1.10.2 simonb int i_aa:1; 116 1.1.10.2 simonb int i_lk:1; 117 1.1.10.2 simonb } i_i; 118 1.1.10.2 simonb 119 1.1.10.2 simonb /* 120 1.1.10.2 simonb * Format M 121 1.1.10.2 simonb */ 122 1.1.10.2 simonb struct { 123 1.1.10.2 simonb u_int i_opcd:6; 124 1.1.10.2 simonb u_int i_rs:5; 125 1.1.10.2 simonb u_int i_ra:5; 126 1.1.10.2 simonb u_int i_rb:5; 127 1.1.10.2 simonb int i_mb:5; 128 1.1.10.2 simonb int i_me:5; 129 1.1.10.2 simonb u_int i_rc:1; 130 1.1.10.2 simonb } i_m; 131 1.1.10.2 simonb 132 1.1.10.2 simonb /* 133 1.1.10.2 simonb * Format MD 134 1.1.10.2 simonb */ 135 1.1.10.2 simonb struct { 136 1.1.10.2 simonb u_int i_opcd:6; 137 1.1.10.2 simonb u_int i_rs:5; 138 1.1.10.2 simonb u_int i_ra:5; 139 1.1.10.2 simonb u_int i_rb:5; 140 1.1.10.2 simonb int i_sh1_5:5; 141 1.1.10.2 simonb int i_mb:6; 142 1.1.10.2 simonb u_int i_xo:3; 143 1.1.10.2 simonb int i_sh0:2; 144 1.1.10.2 simonb u_int i_rc:1; 145 1.1.10.2 simonb } i_md; 146 1.1.10.2 simonb 147 1.1.10.2 simonb /* 148 1.1.10.2 simonb * Format MDS 149 1.1.10.2 simonb */ 150 1.1.10.2 simonb struct { 151 1.1.10.2 simonb u_int i_opcd:6; 152 1.1.10.2 simonb u_int i_rs:5; 153 1.1.10.2 simonb u_int i_ra:5; 154 1.1.10.2 simonb u_int i_rb:5; 155 1.1.10.2 simonb int i_sh:5; 156 1.1.10.2 simonb int i_mb:6; 157 1.1.10.2 simonb u_int i_xo:4; 158 1.1.10.2 simonb u_int i_rc:1; 159 1.1.10.2 simonb } i_mds; 160 1.1.10.2 simonb 161 1.1.10.2 simonb 162 1.1.10.2 simonb /* 163 1.1.10.2 simonb * Format S 164 1.1.10.2 simonb */ 165 1.1.10.2 simonb struct { 166 1.1.10.2 simonb u_int i_opcd:6; 167 1.1.10.2 simonb int :24; 168 1.1.10.2 simonb int i_i:1; 169 1.1.10.2 simonb int :1; 170 1.1.10.2 simonb } i_s; 171 1.1.10.2 simonb 172 1.1.10.2 simonb /* 173 1.1.10.2 simonb * Format X 174 1.1.10.2 simonb */ 175 1.1.10.2 simonb struct { 176 1.1.10.2 simonb u_int i_opcd:6; 177 1.1.10.2 simonb u_int i_rs:5; 178 1.1.10.2 simonb u_int i_ra:5; 179 1.1.10.2 simonb u_int i_rb:5; 180 1.1.10.2 simonb u_int i_xo:10; 181 1.1.10.2 simonb u_int i_rc:1; 182 1.1.10.2 simonb } i_x; 183 1.1.10.2 simonb 184 1.1.10.2 simonb /* 185 1.1.10.2 simonb * Format XFL 186 1.1.10.2 simonb */ 187 1.1.10.2 simonb struct { 188 1.1.10.2 simonb u_int i_opcd:6; 189 1.1.10.2 simonb int :1; 190 1.1.10.2 simonb int i_flm:8; 191 1.1.10.2 simonb int :1; 192 1.1.10.2 simonb int i_frb:5; 193 1.1.10.2 simonb u_int i_xo:10; 194 1.1.10.2 simonb int :1; 195 1.1.10.2 simonb } i_xfl; 196 1.1.10.2 simonb 197 1.1.10.2 simonb /* 198 1.1.10.2 simonb * Format XFX 199 1.1.10.2 simonb */ 200 1.1.10.2 simonb struct { 201 1.1.10.2 simonb u_int i_opcd:6; 202 1.1.10.2 simonb int i_dcrn:10; 203 1.1.10.2 simonb u_int i_xo:10; 204 1.1.10.2 simonb int :1; 205 1.1.10.2 simonb } i_xfx; 206 1.1.10.2 simonb 207 1.1.10.2 simonb /* 208 1.1.10.2 simonb * Format XL 209 1.1.10.2 simonb */ 210 1.1.10.2 simonb struct { 211 1.1.10.2 simonb u_int i_opcd:6; 212 1.1.10.2 simonb int i_bt:5; 213 1.1.10.2 simonb int i_ba:5; 214 1.1.10.2 simonb int i_bb:5; 215 1.1.10.2 simonb u_int i_xo:10; 216 1.1.10.2 simonb int i_lk:1; 217 1.1.10.2 simonb } i_xl; 218 1.1.10.2 simonb 219 1.1.10.2 simonb /* 220 1.1.10.2 simonb * Format XS 221 1.1.10.2 simonb */ 222 1.1.10.2 simonb struct { 223 1.1.10.2 simonb u_int i_opcd:6; 224 1.1.10.2 simonb u_int i_rs:5; 225 1.1.10.2 simonb u_int i_ra:5; 226 1.1.10.2 simonb int i_sh0_4:5; 227 1.1.10.2 simonb u_int i_xo:9; 228 1.1.10.2 simonb int i_sh5:1; 229 1.1.10.2 simonb u_int i_rc:1; 230 1.1.10.2 simonb } i_xs; 231 1.1.10.2 simonb 232 1.1.10.2 simonb }; 233 1.1.10.2 simonb 234 1.1.10.2 simonb #define i_rt i_rs 235 1.1.10.2 simonb 236 1.1.10.2 simonb /* 237 1.1.10.2 simonb * Primary opcode numbers: 238 1.1.10.2 simonb */ 239 1.1.10.2 simonb 240 1.1.10.2 simonb #define OPC_TDI 0x02 241 1.1.10.2 simonb #define OPC_TWI 0x03 242 1.1.10.2 simonb #define OPC_MULLI 0x07 243 1.1.10.2 simonb #define OPC_SUBFIC 0x08 244 1.1.10.2 simonb #define OPC_BCE 0x09 245 1.1.10.2 simonb #define OPC_CMPLI 0x0a 246 1.1.10.2 simonb #define OPC_CMPI 0x0b 247 1.1.10.2 simonb #define OPC_ADDIC 0x0c 248 1.1.10.2 simonb #define OPC_ADDIC_DOT 0x0d 249 1.1.10.2 simonb #define OPC_ADDI 0x0e 250 1.1.10.2 simonb #define OPC_ADDIS 0x0f 251 1.1.10.2 simonb #define OPC_BC 0x10 252 1.1.10.2 simonb #define OPC_SC 0x11 253 1.1.10.2 simonb #define OPC_B 0x12 254 1.1.10.2 simonb #define OPC_branch_19 0x13 255 1.1.10.2 simonb #define OPC_RLWIMI 0x14 256 1.1.10.2 simonb #define OPC_RLWINM 0x15 257 1.1.10.2 simonb #define OPC_BE 0x16 258 1.1.10.2 simonb #define OPC_RLWNM 0x17 259 1.1.10.2 simonb #define OPC_ORI 0x18 260 1.1.10.2 simonb #define OPC_ORIS 0x19 261 1.1.10.2 simonb #define OPC_XORI 0x1a 262 1.1.10.2 simonb #define OPC_XORIS 0x1b 263 1.1.10.2 simonb #define OPC_ANDI 0x1c 264 1.1.10.2 simonb #define OPC_ANDIS 0x1d 265 1.1.10.2 simonb #define OPC_dwe_rot_30 0x1e 266 1.1.10.2 simonb #define OPC_integer_31 0x1f 267 1.1.10.2 simonb #define OPC_LWZ 0x20 268 1.1.10.2 simonb #define OPC_LWZU 0x21 269 1.1.10.2 simonb #define OPC_LBZ 0x22 270 1.1.10.2 simonb #define OPC_LBZU 0x23 271 1.1.10.2 simonb #define OPC_STW 0x24 272 1.1.10.2 simonb #define OPC_STWU 0x25 273 1.1.10.2 simonb #define OPC_STB 0x26 274 1.1.10.2 simonb #define OPC_STBU 0x27 275 1.1.10.2 simonb #define OPC_LHZ 0x28 276 1.1.10.2 simonb #define OPC_LHZU 0x29 277 1.1.10.2 simonb #define OPC_LHA 0x2a 278 1.1.10.2 simonb #define OPC_LHAU 0x2b 279 1.1.10.2 simonb #define OPC_STH 0x2c 280 1.1.10.2 simonb #define OPC_STHU 0x2d 281 1.1.10.2 simonb #define OPC_LMW 0x2e 282 1.1.10.2 simonb #define OPC_STMW 0x2f 283 1.1.10.2 simonb #define OPC_LFS 0x30 284 1.1.10.2 simonb #define OPC_LFSU 0x31 285 1.1.10.2 simonb #define OPC_LFD 0x32 286 1.1.10.2 simonb #define OPC_LFDU 0x33 287 1.1.10.2 simonb #define OPC_STFS 0x34 288 1.1.10.2 simonb #define OPC_STFSU 0x35 289 1.1.10.2 simonb #define OPC_STFD 0x36 290 1.1.10.2 simonb #define OPC_STFDU 0x37 291 1.1.10.2 simonb #define OPC_load_st_58 0x3a 292 1.1.10.2 simonb #define OPC_sp_fp_59 0x3b 293 1.1.10.2 simonb #define OPC_load_st_62 0x3e 294 1.1.10.2 simonb #define OPC_dp_fp_63 0x3f 295 1.1.10.2 simonb 296 1.1.10.2 simonb /* 297 1.1.10.2 simonb * Opcode 31 sub-types (FP only) 298 1.1.10.2 simonb */ 299 1.1.10.2 simonb #define OPC31_TW 0x004 300 1.1.10.2 simonb #define OPC31_LFSX 0x217 301 1.1.10.2 simonb #define OPC31_LFSUX 0x237 302 1.1.10.2 simonb #define OPC31_LFDX 0x257 303 1.1.10.2 simonb #define OPC31_LFDUX 0x277 304 1.1.10.2 simonb #define OPC31_STFSX 0x297 305 1.1.10.2 simonb #define OPC31_STFSUX 0x2b7 306 1.1.10.2 simonb #define OPC31_STFDX 0x2d7 307 1.1.10.2 simonb #define OPC31_STFDUX 0x2f7 308 1.1.10.2 simonb #define OPC31_STFIWX 0x3d7 309 1.1.10.2 simonb 310 1.1.10.2 simonb /* Mask for all valid indexed FP load/store ops (except stfiwx) */ 311 1.1.10.2 simonb #define OPC31_FPMASK 0x31f 312 1.1.10.2 simonb #define OPC31_FPOP 0x217 313 1.1.10.2 simonb 314 1.1.10.2 simonb /* 315 1.1.10.2 simonb * Opcode 59 sub-types: 316 1.1.10.2 simonb */ 317 1.1.10.2 simonb 318 1.1.10.2 simonb #define OPC59_FDIVS 0x12 319 1.1.10.2 simonb #define OPC59_FSUBS 0x14 320 1.1.10.2 simonb #define OPC59_FADDS 0x15 321 1.1.10.2 simonb #define OPC59_FSQRTS 0x16 322 1.1.10.2 simonb #define OPC59_FRES 0x18 323 1.1.10.2 simonb #define OPC59_FMULS 0x19 324 1.1.10.2 simonb #define OPC59_FMSUBS 0x1c 325 1.1.10.2 simonb #define OPC59_FMADDS 0x1d 326 1.1.10.2 simonb #define OPC59_FNMSUBS 0x1e 327 1.1.10.2 simonb #define OPC59_FNMADDS 0x1f 328 1.1.10.2 simonb 329 1.1.10.2 simonb /* 330 1.1.10.2 simonb * Opcode 62 sub-types: 331 1.1.10.2 simonb */ 332 1.1.10.2 simonb #define OPC62_LDE 0x0 333 1.1.10.2 simonb #define OPC62_LDEU 0x1 334 1.1.10.2 simonb #define OPC62_LFSE 0x4 335 1.1.10.2 simonb #define OPC62_LFSEU 0x5 336 1.1.10.2 simonb #define OPC62_LFDE 0x6 337 1.1.10.2 simonb #define OPC62_LFDEU 0x7 338 1.1.10.2 simonb #define OPC62_STDE 0x8 339 1.1.10.2 simonb #define OPC62_STDEU 0x9 340 1.1.10.2 simonb #define OPC62_STFSE 0xc 341 1.1.10.2 simonb #define OPC62_STFSEU 0xd 342 1.1.10.2 simonb #define OPC62_STFDE 0xe 343 1.1.10.2 simonb #define OPC62_STFDEU 0xf 344 1.1.10.2 simonb 345 1.1.10.2 simonb /* 346 1.1.10.2 simonb * Opcode 63 sub-types: 347 1.1.10.2 simonb * 348 1.1.10.2 simonb * (The first group are masks....) 349 1.1.10.2 simonb */ 350 1.1.10.2 simonb 351 1.1.10.2 simonb #define OPC63M_MASK 0x10 352 1.1.10.2 simonb #define OPC63M_FDIV 0x12 353 1.1.10.2 simonb #define OPC63M_FSUB 0x14 354 1.1.10.2 simonb #define OPC63M_FADD 0x15 355 1.1.10.2 simonb #define OPC63M_FSQRT 0x16 356 1.1.10.2 simonb #define OPC63M_FSEL 0x17 357 1.1.10.2 simonb #define OPC63M_FMUL 0x19 358 1.1.10.2 simonb #define OPC63M_FRSQRTE 0x1a 359 1.1.10.2 simonb #define OPC63M_FMSUB 0x1c 360 1.1.10.2 simonb #define OPC63M_FMADD 0x1d 361 1.1.10.2 simonb #define OPC63M_FNMSUB 0x1e 362 1.1.10.2 simonb #define OPC63M_FNMADD 0x1f 363 1.1.10.2 simonb 364 1.1.10.2 simonb #define OPC63_FCMPU 0x00 365 1.1.10.2 simonb #define OPC63_FRSP 0x0c 366 1.1.10.2 simonb #define OPC63_FCTIW 0x0e 367 1.1.10.2 simonb #define OPC63_FCTIWZ 0x0f 368 1.1.10.2 simonb #define OPC63_FCMPO 0x20 369 1.1.10.2 simonb #define OPC63_MTFSB1 0x26 370 1.1.10.2 simonb #define OPC63_FNEG 0x28 371 1.1.10.2 simonb #define OPC63_MCRFS 0x40 372 1.1.10.2 simonb #define OPC63_MTFSB0 0x46 373 1.1.10.2 simonb #define OPC63_FMR 0x48 374 1.1.10.2 simonb #define OPC63_MTFSFI 0x86 375 1.1.10.2 simonb #define OPC63_FNABS 0x88 376 1.1.10.2 simonb #define OPC63_FABS 0x108 377 1.1.10.2 simonb #define OPC63_MFFS 0x247 378 1.1.10.2 simonb #define OPC63_MTFSF 0x2c7 379 1.1.10.2 simonb #define OPC63_FCTID 0x32e 380 1.1.10.2 simonb #define OPC63_FCTIDZ 0x32f 381 1.1.10.2 simonb #define OPC63_FCFID 0x34e 382 1.1.10.2 simonb 383 1.1.10.2 simonb /* 384 1.1.10.2 simonb * FPU data types. 385 1.1.10.2 simonb */ 386 1.1.10.2 simonb #define FTYPE_LNG -1 /* data = 64-bit signed long integer */ 387 1.1.10.2 simonb #define FTYPE_INT 0 /* data = 32-bit signed integer */ 388 1.1.10.2 simonb #define FTYPE_SNG 1 /* data = 32-bit float */ 389 1.1.10.2 simonb #define FTYPE_DBL 2 /* data = 64-bit double */ 390 1.1.10.2 simonb #define FTYPE_EXT 3 /* data = 128-bit extended (quad-prec) */ 391 1.1.10.2 simonb 392 1.1.10.2 simonb /* 393 1.1.10.2 simonb * FPCSR rounding modes. 394 1.1.10.2 simonb */ 395 1.1.10.2 simonb #define FSR_RD_RN 0 /* round to nearest */ 396 1.1.10.2 simonb #define FSR_RD_RZ 1 /* round towards 0 */ 397 1.1.10.2 simonb #define FSR_RD_RP 2 /* round towards +inf */ 398 1.1.10.2 simonb #define FSR_RD_RM 3 /* round towards -inf */ 399
Indexes created Fri Oct 03 14:09:59 GMT 2025