1 /* frv simulator fr450 dependent profiling code. 2 3 Copyright (C) 2001-2017 Free Software Foundation, Inc. 4 Contributed by Red Hat 5 6 This file is part of the GNU simulators. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. 20 21 */ 22 #define WANT_CPU 23 #define WANT_CPU_FRVBF 24 25 #include "sim-main.h" 26 #include "bfd.h" 27 28 #if WITH_PROFILE_MODEL_P 29 30 #include "profile.h" 31 #include "profile-fr400.h" 32 33 int 34 frvbf_model_fr450_u_exec (SIM_CPU *cpu, const IDESC *idesc, 35 int unit_num, int referenced) 36 { 37 return idesc->timing->units[unit_num].done; 38 } 39 40 int 41 frvbf_model_fr450_u_integer (SIM_CPU *cpu, const IDESC *idesc, 42 int unit_num, int referenced, 43 INT in_GRi, INT in_GRj, INT out_GRk, 44 INT out_ICCi_1) 45 { 46 /* Modelling for this unit is the same as for fr500. */ 47 return frvbf_model_fr500_u_integer (cpu, idesc, unit_num, referenced, 48 in_GRi, in_GRj, out_GRk, out_ICCi_1); 49 } 50 51 int 52 frvbf_model_fr450_u_imul (SIM_CPU *cpu, const IDESC *idesc, 53 int unit_num, int referenced, 54 INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1) 55 { 56 int cycles; 57 58 if (model_insn == FRV_INSN_MODEL_PASS_1) 59 { 60 /* Pass 1 is the same as for fr500. */ 61 return frvbf_model_fr500_u_imul (cpu, idesc, unit_num, referenced, 62 in_GRi, in_GRj, out_GRk, out_ICCi_1); 63 } 64 65 /* icc0-icc4 are the upper 4 fields of the CCR. */ 66 if (out_ICCi_1 >= 0) 67 out_ICCi_1 += 4; 68 69 /* GRk and IACCi_1 have a latency of 1 cycle. */ 70 cycles = idesc->timing->units[unit_num].done; 71 update_GRdouble_latency (cpu, out_GRk, cycles + 1); 72 update_CCR_latency (cpu, out_ICCi_1, cycles + 1); 73 74 return cycles; 75 } 76 77 int 78 frvbf_model_fr450_u_idiv (SIM_CPU *cpu, const IDESC *idesc, 79 int unit_num, int referenced, 80 INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1) 81 { 82 int cycles; 83 84 if (model_insn == FRV_INSN_MODEL_PASS_1) 85 { 86 /* Pass 1 is the same as for fr500. */ 87 return frvbf_model_fr500_u_idiv (cpu, idesc, unit_num, referenced, 88 in_GRi, in_GRj, out_GRk, out_ICCi_1); 89 } 90 91 /* icc0-icc4 are the upper 4 fields of the CCR. */ 92 if (out_ICCi_1 >= 0) 93 out_ICCi_1 += 4; 94 95 /* GRk, ICCi_1 and the divider have a latency of 18 cycles */ 96 cycles = idesc->timing->units[unit_num].done; 97 update_GR_latency (cpu, out_GRk, cycles + 18); 98 update_CCR_latency (cpu, out_ICCi_1, cycles + 18); 99 update_idiv_resource_latency (cpu, 0, cycles + 18); 100 101 return cycles; 102 } 103 104 int 105 frvbf_model_fr450_u_branch (SIM_CPU *cpu, const IDESC *idesc, 106 int unit_num, int referenced, 107 INT in_GRi, INT in_GRj, 108 INT in_ICCi_2, INT in_ICCi_3) 109 { 110 /* Modelling for this unit is the same as for fr400. */ 111 return frvbf_model_fr400_u_branch (cpu, idesc, unit_num, referenced, 112 in_GRi, in_GRj, in_ICCi_2, in_ICCi_3); 113 } 114 115 int 116 frvbf_model_fr450_u_trap (SIM_CPU *cpu, const IDESC *idesc, 117 int unit_num, int referenced, 118 INT in_GRi, INT in_GRj, 119 INT in_ICCi_2, INT in_FCCi_2) 120 { 121 /* Modelling for this unit is the same as for fr500. */ 122 return frvbf_model_fr500_u_trap (cpu, idesc, unit_num, referenced, 123 in_GRi, in_GRj, in_ICCi_2, in_FCCi_2); 124 } 125 126 int 127 frvbf_model_fr450_u_check (SIM_CPU *cpu, const IDESC *idesc, 128 int unit_num, int referenced, 129 INT in_ICCi_3, INT in_FCCi_3) 130 { 131 /* Modelling for this unit is the same as for fr500. */ 132 return frvbf_model_fr500_u_check (cpu, idesc, unit_num, referenced, 133 in_ICCi_3, in_FCCi_3); 134 } 135 136 int 137 frvbf_model_fr450_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc, 138 int unit_num, int referenced, 139 INT out_GRkhi, INT out_GRklo) 140 { 141 /* Modelling for this unit is the same as for fr500. */ 142 return frvbf_model_fr500_u_set_hilo (cpu, idesc, unit_num, referenced, 143 out_GRkhi, out_GRklo); 144 } 145 146 int 147 frvbf_model_fr450_u_gr_load (SIM_CPU *cpu, const IDESC *idesc, 148 int unit_num, int referenced, 149 INT in_GRi, INT in_GRj, 150 INT out_GRk, INT out_GRdoublek) 151 { 152 int cycles; 153 154 if (model_insn == FRV_INSN_MODEL_PASS_1) 155 { 156 /* Pass 1 is the same as for fr500. */ 157 return frvbf_model_fr500_u_fr_load (cpu, idesc, unit_num, referenced, 158 in_GRi, in_GRj, out_GRk, 159 out_GRdoublek); 160 } 161 162 cycles = idesc->timing->units[unit_num].done; 163 164 /* The latency of GRk for a load will depend on how long it takes to retrieve 165 the the data from the cache or memory. */ 166 update_GR_latency_for_load (cpu, out_GRk, cycles); 167 update_GRdouble_latency_for_load (cpu, out_GRdoublek, cycles); 168 169 if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING)) 170 { 171 /* GNER has a latency of 2 cycles. */ 172 update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 2); 173 update_SPR_latency (cpu, GNER_FOR_GR (out_GRdoublek), cycles + 2); 174 } 175 176 return cycles; 177 } 178 179 int 180 frvbf_model_fr450_u_gr_store (SIM_CPU *cpu, const IDESC *idesc, 181 int unit_num, int referenced, 182 INT in_GRi, INT in_GRj, 183 INT in_GRk, INT in_GRdoublek) 184 { 185 /* Modelling for this unit is the same as for fr500. */ 186 return frvbf_model_fr500_u_gr_store (cpu, idesc, unit_num, referenced, 187 in_GRi, in_GRj, in_GRk, in_GRdoublek); 188 } 189 190 int 191 frvbf_model_fr450_u_fr_load (SIM_CPU *cpu, const IDESC *idesc, 192 int unit_num, int referenced, 193 INT in_GRi, INT in_GRj, 194 INT out_FRk, INT out_FRdoublek) 195 { 196 /* Modelling for this unit is the same as for fr400. */ 197 return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced, 198 in_GRi, in_GRj, out_FRk, out_FRdoublek); 199 } 200 201 int 202 frvbf_model_fr450_u_fr_store (SIM_CPU *cpu, const IDESC *idesc, 203 int unit_num, int referenced, 204 INT in_GRi, INT in_GRj, 205 INT in_FRk, INT in_FRdoublek) 206 { 207 /* Modelling for this unit is the same as for fr400. */ 208 return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced, 209 in_GRi, in_GRj, in_FRk, in_FRdoublek); 210 } 211 212 int 213 frvbf_model_fr450_u_swap (SIM_CPU *cpu, const IDESC *idesc, 214 int unit_num, int referenced, 215 INT in_GRi, INT in_GRj, INT out_GRk) 216 { 217 /* Modelling for this unit is the same as for fr500. */ 218 return frvbf_model_fr500_u_swap (cpu, idesc, unit_num, referenced, 219 in_GRi, in_GRj, out_GRk); 220 } 221 222 int 223 frvbf_model_fr450_u_fr2gr (SIM_CPU *cpu, const IDESC *idesc, 224 int unit_num, int referenced, 225 INT in_FRk, INT out_GRj) 226 { 227 int cycles; 228 229 if (model_insn == FRV_INSN_MODEL_PASS_1) 230 { 231 /* Pass 1 is the same as for fr400. */ 232 return frvbf_model_fr500_u_fr2gr (cpu, idesc, unit_num, referenced, 233 in_FRk, out_GRj); 234 } 235 236 /* The latency of GRj is 1 cycle. */ 237 cycles = idesc->timing->units[unit_num].done; 238 update_GR_latency (cpu, out_GRj, cycles + 1); 239 240 return cycles; 241 } 242 243 int 244 frvbf_model_fr450_u_spr2gr (SIM_CPU *cpu, const IDESC *idesc, 245 int unit_num, int referenced, 246 INT in_spr, INT out_GRj) 247 { 248 /* Modelling for this unit is the same as for fr500. */ 249 return frvbf_model_fr500_u_spr2gr (cpu, idesc, unit_num, referenced, 250 in_spr, out_GRj); 251 } 252 253 int 254 frvbf_model_fr450_u_gr2fr (SIM_CPU *cpu, const IDESC *idesc, 255 int unit_num, int referenced, 256 INT in_GRj, INT out_FRk) 257 { 258 /* Modelling for this unit is the same as for fr400. */ 259 return frvbf_model_fr400_u_gr2fr (cpu, idesc, unit_num, referenced, 260 in_GRj, out_FRk); 261 } 262 263 int 264 frvbf_model_fr450_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc, 265 int unit_num, int referenced, 266 INT in_GRj, INT out_spr) 267 { 268 /* Modelling for this unit is the same as for fr500. */ 269 return frvbf_model_fr500_u_gr2spr (cpu, idesc, unit_num, referenced, 270 in_GRj, out_spr); 271 } 272 273 int 274 frvbf_model_fr450_u_media_1 (SIM_CPU *cpu, const IDESC *idesc, 275 int unit_num, int referenced, 276 INT in_FRi, INT in_FRj, 277 INT out_FRk) 278 { 279 /* Modelling for this unit is the same as for fr400. */ 280 return frvbf_model_fr400_u_media_1 (cpu, idesc, unit_num, referenced, 281 in_FRi, in_FRj, out_FRk); 282 } 283 284 int 285 frvbf_model_fr450_u_media_1_quad (SIM_CPU *cpu, const IDESC *idesc, 286 int unit_num, int referenced, 287 INT in_FRi, INT in_FRj, 288 INT out_FRk) 289 { 290 /* Modelling for this unit is the same as for fr400. */ 291 return frvbf_model_fr400_u_media_1_quad (cpu, idesc, unit_num, referenced, 292 in_FRi, in_FRj, out_FRk); 293 } 294 295 int 296 frvbf_model_fr450_u_media_hilo (SIM_CPU *cpu, const IDESC *idesc, 297 int unit_num, int referenced, 298 INT out_FRkhi, INT out_FRklo) 299 { 300 /* Modelling for this unit is the same as for fr400. */ 301 return frvbf_model_fr400_u_media_hilo (cpu, idesc, unit_num, referenced, 302 out_FRkhi, out_FRklo); 303 } 304 305 int 306 frvbf_model_fr450_u_media_2 (SIM_CPU *cpu, const IDESC *idesc, 307 int unit_num, int referenced, 308 INT in_FRi, INT in_FRj, 309 INT out_ACC40Sk, INT out_ACC40Uk) 310 { 311 /* Modelling for this unit is the same as for fr400. */ 312 return frvbf_model_fr400_u_media_2 (cpu, idesc, unit_num, referenced, 313 in_FRi, in_FRj, out_ACC40Sk, 314 out_ACC40Uk); 315 } 316 317 int 318 frvbf_model_fr450_u_media_2_quad (SIM_CPU *cpu, const IDESC *idesc, 319 int unit_num, int referenced, 320 INT in_FRi, INT in_FRj, 321 INT out_ACC40Sk, INT out_ACC40Uk) 322 { 323 /* Modelling for this unit is the same as for fr400. */ 324 return frvbf_model_fr400_u_media_2_quad (cpu, idesc, unit_num, referenced, 325 in_FRi, in_FRj, out_ACC40Sk, 326 out_ACC40Uk); 327 } 328 329 int 330 frvbf_model_fr450_u_media_2_acc (SIM_CPU *cpu, const IDESC *idesc, 331 int unit_num, int referenced, 332 INT in_ACC40Si, INT out_ACC40Sk) 333 { 334 /* Modelling for this unit is the same as for fr400. */ 335 return frvbf_model_fr400_u_media_2_acc (cpu, idesc, unit_num, referenced, 336 in_ACC40Si, out_ACC40Sk); 337 } 338 339 int 340 frvbf_model_fr450_u_media_2_acc_dual (SIM_CPU *cpu, const IDESC *idesc, 341 int unit_num, int referenced, 342 INT in_ACC40Si, INT out_ACC40Sk) 343 { 344 /* Modelling for this unit is the same as for fr400. */ 345 return frvbf_model_fr400_u_media_2_acc_dual (cpu, idesc, unit_num, 346 referenced, in_ACC40Si, 347 out_ACC40Sk); 348 } 349 350 int 351 frvbf_model_fr450_u_media_2_add_sub (SIM_CPU *cpu, const IDESC *idesc, 352 int unit_num, int referenced, 353 INT in_ACC40Si, INT out_ACC40Sk) 354 { 355 /* Modelling for this unit is the same as for fr400. */ 356 return frvbf_model_fr400_u_media_2_add_sub (cpu, idesc, unit_num, 357 referenced, in_ACC40Si, 358 out_ACC40Sk); 359 } 360 361 int 362 frvbf_model_fr450_u_media_2_add_sub_dual (SIM_CPU *cpu, const IDESC *idesc, 363 int unit_num, int referenced, 364 INT in_ACC40Si, INT out_ACC40Sk) 365 { 366 /* Modelling for this unit is the same as for fr400. */ 367 return frvbf_model_fr400_u_media_2_add_sub_dual (cpu, idesc, unit_num, 368 referenced, in_ACC40Si, 369 out_ACC40Sk); 370 } 371 372 int 373 frvbf_model_fr450_u_media_3 (SIM_CPU *cpu, const IDESC *idesc, 374 int unit_num, int referenced, 375 INT in_FRi, INT in_FRj, 376 INT out_FRk) 377 { 378 /* Modelling is the same as media unit 1. */ 379 return frvbf_model_fr450_u_media_1 (cpu, idesc, unit_num, referenced, 380 in_FRi, in_FRj, out_FRk); 381 } 382 383 int 384 frvbf_model_fr450_u_media_3_dual (SIM_CPU *cpu, const IDESC *idesc, 385 int unit_num, int referenced, 386 INT in_FRi, INT out_FRk) 387 { 388 /* Modelling for this unit is the same as for fr400. */ 389 return frvbf_model_fr400_u_media_3_dual (cpu, idesc, unit_num, referenced, 390 in_FRi, out_FRk); 391 } 392 393 int 394 frvbf_model_fr450_u_media_3_quad (SIM_CPU *cpu, const IDESC *idesc, 395 int unit_num, int referenced, 396 INT in_FRi, INT in_FRj, 397 INT out_FRk) 398 { 399 /* Modelling is the same as media unit 1. */ 400 return frvbf_model_fr450_u_media_1_quad (cpu, idesc, unit_num, referenced, 401 in_FRi, in_FRj, out_FRk); 402 } 403 404 int 405 frvbf_model_fr450_u_media_4 (SIM_CPU *cpu, const IDESC *idesc, 406 int unit_num, int referenced, 407 INT in_ACC40Si, INT in_FRj, 408 INT out_ACC40Sk, INT out_FRk) 409 { 410 /* Modelling for this unit is the same as for fr400. */ 411 return frvbf_model_fr400_u_media_4 (cpu, idesc, unit_num, referenced, 412 in_ACC40Si, in_FRj, 413 out_ACC40Sk, out_FRk); 414 } 415 416 int 417 frvbf_model_fr450_u_media_4_accg (SIM_CPU *cpu, const IDESC *idesc, 418 int unit_num, int referenced, 419 INT in_ACCGi, INT in_FRinti, 420 INT out_ACCGk, INT out_FRintk) 421 { 422 /* Modelling is the same as media-4 unit except use accumulator guards 423 as input instead of accumulators. */ 424 return frvbf_model_fr450_u_media_4 (cpu, idesc, unit_num, referenced, 425 in_ACCGi, in_FRinti, 426 out_ACCGk, out_FRintk); 427 } 428 429 int 430 frvbf_model_fr450_u_media_4_acc_dual (SIM_CPU *cpu, const IDESC *idesc, 431 int unit_num, int referenced, 432 INT in_ACC40Si, INT out_FRk) 433 { 434 /* Modelling for this unit is the same as for fr400. */ 435 return frvbf_model_fr400_u_media_4_acc_dual (cpu, idesc, unit_num, 436 referenced, in_ACC40Si, 437 out_FRk); 438 } 439 440 int 441 frvbf_model_fr450_u_media_4_mclracca (SIM_CPU *cpu, const IDESC *idesc, 442 int unit_num, int referenced) 443 { 444 int cycles; 445 int acc; 446 FRV_PROFILE_STATE *ps; 447 448 if (model_insn == FRV_INSN_MODEL_PASS_1) 449 return 0; 450 451 /* The preprocessing can execute right away. */ 452 cycles = idesc->timing->units[unit_num].done; 453 454 ps = CPU_PROFILE_STATE (cpu); 455 456 /* The post processing must wait for any pending ACC writes. */ 457 ps->post_wait = cycles; 458 for (acc = 0; acc < 4; acc++) 459 post_wait_for_ACC (cpu, acc); 460 for (acc = 8; acc < 12; acc++) 461 post_wait_for_ACC (cpu, acc); 462 463 for (acc = 0; acc < 4; acc++) 464 { 465 update_ACC_latency (cpu, acc, ps->post_wait); 466 update_ACC_ptime (cpu, acc, 2); 467 } 468 for (acc = 8; acc < 12; acc++) 469 { 470 update_ACC_latency (cpu, acc, ps->post_wait); 471 update_ACC_ptime (cpu, acc, 2); 472 } 473 474 return cycles; 475 } 476 477 int 478 frvbf_model_fr450_u_media_6 (SIM_CPU *cpu, const IDESC *idesc, 479 int unit_num, int referenced, 480 INT in_FRi, INT out_FRk) 481 { 482 /* Modelling for this unit is the same as for fr400. */ 483 return frvbf_model_fr400_u_media_6 (cpu, idesc, unit_num, referenced, 484 in_FRi, out_FRk); 485 } 486 487 int 488 frvbf_model_fr450_u_media_7 (SIM_CPU *cpu, const IDESC *idesc, 489 int unit_num, int referenced, 490 INT in_FRinti, INT in_FRintj, 491 INT out_FCCk) 492 { 493 /* Modelling for this unit is the same as for fr400. */ 494 return frvbf_model_fr400_u_media_7 (cpu, idesc, unit_num, referenced, 495 in_FRinti, in_FRintj, out_FCCk); 496 } 497 498 int 499 frvbf_model_fr450_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc, 500 int unit_num, int referenced, 501 INT in_FRi, 502 INT out_FRk) 503 { 504 /* Modelling for this unit is the same as for fr400. */ 505 return frvbf_model_fr400_u_media_dual_expand (cpu, idesc, unit_num, 506 referenced, in_FRi, out_FRk); 507 } 508 509 int 510 frvbf_model_fr450_u_media_dual_htob (SIM_CPU *cpu, const IDESC *idesc, 511 int unit_num, int referenced, 512 INT in_FRj, 513 INT out_FRk) 514 { 515 /* Modelling for this unit is the same as for fr400. */ 516 return frvbf_model_fr400_u_media_dual_htob (cpu, idesc, unit_num, 517 referenced, in_FRj, out_FRk); 518 } 519 520 int 521 frvbf_model_fr450_u_ici (SIM_CPU *cpu, const IDESC *idesc, 522 int unit_num, int referenced, 523 INT in_GRi, INT in_GRj) 524 { 525 /* Modelling for this unit is the same as for fr500. */ 526 return frvbf_model_fr500_u_ici (cpu, idesc, unit_num, referenced, 527 in_GRi, in_GRj); 528 } 529 530 int 531 frvbf_model_fr450_u_dci (SIM_CPU *cpu, const IDESC *idesc, 532 int unit_num, int referenced, 533 INT in_GRi, INT in_GRj) 534 { 535 /* Modelling for this unit is the same as for fr500. */ 536 return frvbf_model_fr500_u_dci (cpu, idesc, unit_num, referenced, 537 in_GRi, in_GRj); 538 } 539 540 int 541 frvbf_model_fr450_u_dcf (SIM_CPU *cpu, const IDESC *idesc, 542 int unit_num, int referenced, 543 INT in_GRi, INT in_GRj) 544 { 545 /* Modelling for this unit is the same as for fr500. */ 546 return frvbf_model_fr500_u_dcf (cpu, idesc, unit_num, referenced, 547 in_GRi, in_GRj); 548 } 549 550 int 551 frvbf_model_fr450_u_icpl (SIM_CPU *cpu, const IDESC *idesc, 552 int unit_num, int referenced, 553 INT in_GRi, INT in_GRj) 554 { 555 /* Modelling for this unit is the same as for fr500. */ 556 return frvbf_model_fr500_u_icpl (cpu, idesc, unit_num, referenced, 557 in_GRi, in_GRj); 558 } 559 560 int 561 frvbf_model_fr450_u_dcpl (SIM_CPU *cpu, const IDESC *idesc, 562 int unit_num, int referenced, 563 INT in_GRi, INT in_GRj) 564 { 565 /* Modelling for this unit is the same as for fr500. */ 566 return frvbf_model_fr500_u_dcpl (cpu, idesc, unit_num, referenced, 567 in_GRi, in_GRj); 568 } 569 570 int 571 frvbf_model_fr450_u_icul (SIM_CPU *cpu, const IDESC *idesc, 572 int unit_num, int referenced, 573 INT in_GRi, INT in_GRj) 574 { 575 /* Modelling for this unit is the same as for fr500. */ 576 return frvbf_model_fr500_u_icul (cpu, idesc, unit_num, referenced, 577 in_GRi, in_GRj); 578 } 579 580 int 581 frvbf_model_fr450_u_dcul (SIM_CPU *cpu, const IDESC *idesc, 582 int unit_num, int referenced, 583 INT in_GRi, INT in_GRj) 584 { 585 /* Modelling for this unit is the same as for fr500. */ 586 return frvbf_model_fr500_u_dcul (cpu, idesc, unit_num, referenced, 587 in_GRi, in_GRj); 588 } 589 590 int 591 frvbf_model_fr450_u_barrier (SIM_CPU *cpu, const IDESC *idesc, 592 int unit_num, int referenced) 593 { 594 /* Modelling for this unit is the same as for fr500. */ 595 return frvbf_model_fr500_u_barrier (cpu, idesc, unit_num, referenced); 596 } 597 598 int 599 frvbf_model_fr450_u_membar (SIM_CPU *cpu, const IDESC *idesc, 600 int unit_num, int referenced) 601 { 602 /* Modelling for this unit is the same as for fr500. */ 603 return frvbf_model_fr500_u_membar (cpu, idesc, unit_num, referenced); 604 } 605 606 #endif /* WITH_PROFILE_MODEL_P */ 607