root / target-alpha / op.c @ 01ff9cc8
History | View | Annotate | Download (9 kB)
| 1 |
/*
|
|---|---|
| 2 |
* Alpha emulation cpu micro-operations for qemu.
|
| 3 |
*
|
| 4 |
* Copyright (c) 2007 Jocelyn Mayer
|
| 5 |
*
|
| 6 |
* This library is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU Lesser General Public
|
| 8 |
* License as published by the Free Software Foundation; either
|
| 9 |
* version 2 of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This library is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 14 |
* Lesser General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU Lesser General Public
|
| 17 |
* License along with this library; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 19 |
*/
|
| 20 |
|
| 21 |
#define DEBUG_OP
|
| 22 |
|
| 23 |
#include "config.h" |
| 24 |
#include "exec.h" |
| 25 |
#include "host-utils.h" |
| 26 |
|
| 27 |
#include "op_helper.h" |
| 28 |
|
| 29 |
#define REG 0 |
| 30 |
#include "op_template.h" |
| 31 |
|
| 32 |
#define REG 1 |
| 33 |
#include "op_template.h" |
| 34 |
|
| 35 |
#define REG 2 |
| 36 |
#include "op_template.h" |
| 37 |
|
| 38 |
#define REG 3 |
| 39 |
#include "op_template.h" |
| 40 |
|
| 41 |
#define REG 4 |
| 42 |
#include "op_template.h" |
| 43 |
|
| 44 |
#define REG 5 |
| 45 |
#include "op_template.h" |
| 46 |
|
| 47 |
#define REG 6 |
| 48 |
#include "op_template.h" |
| 49 |
|
| 50 |
#define REG 7 |
| 51 |
#include "op_template.h" |
| 52 |
|
| 53 |
#define REG 8 |
| 54 |
#include "op_template.h" |
| 55 |
|
| 56 |
#define REG 9 |
| 57 |
#include "op_template.h" |
| 58 |
|
| 59 |
#define REG 10 |
| 60 |
#include "op_template.h" |
| 61 |
|
| 62 |
#define REG 11 |
| 63 |
#include "op_template.h" |
| 64 |
|
| 65 |
#define REG 12 |
| 66 |
#include "op_template.h" |
| 67 |
|
| 68 |
#define REG 13 |
| 69 |
#include "op_template.h" |
| 70 |
|
| 71 |
#define REG 14 |
| 72 |
#include "op_template.h" |
| 73 |
|
| 74 |
#define REG 15 |
| 75 |
#include "op_template.h" |
| 76 |
|
| 77 |
#define REG 16 |
| 78 |
#include "op_template.h" |
| 79 |
|
| 80 |
#define REG 17 |
| 81 |
#include "op_template.h" |
| 82 |
|
| 83 |
#define REG 18 |
| 84 |
#include "op_template.h" |
| 85 |
|
| 86 |
#define REG 19 |
| 87 |
#include "op_template.h" |
| 88 |
|
| 89 |
#define REG 20 |
| 90 |
#include "op_template.h" |
| 91 |
|
| 92 |
#define REG 21 |
| 93 |
#include "op_template.h" |
| 94 |
|
| 95 |
#define REG 22 |
| 96 |
#include "op_template.h" |
| 97 |
|
| 98 |
#define REG 23 |
| 99 |
#include "op_template.h" |
| 100 |
|
| 101 |
#define REG 24 |
| 102 |
#include "op_template.h" |
| 103 |
|
| 104 |
#define REG 25 |
| 105 |
#include "op_template.h" |
| 106 |
|
| 107 |
#define REG 26 |
| 108 |
#include "op_template.h" |
| 109 |
|
| 110 |
#define REG 27 |
| 111 |
#include "op_template.h" |
| 112 |
|
| 113 |
#define REG 28 |
| 114 |
#include "op_template.h" |
| 115 |
|
| 116 |
#define REG 29 |
| 117 |
#include "op_template.h" |
| 118 |
|
| 119 |
#define REG 30 |
| 120 |
#include "op_template.h" |
| 121 |
|
| 122 |
#define REG 31 |
| 123 |
#include "op_template.h" |
| 124 |
|
| 125 |
/* Debug stuff */
|
| 126 |
void OPPROTO op_no_op (void) |
| 127 |
{
|
| 128 |
#if !defined (DEBUG_OP)
|
| 129 |
__asm__ __volatile__("nop" : : : "memory"); |
| 130 |
#endif
|
| 131 |
RETURN(); |
| 132 |
} |
| 133 |
|
| 134 |
/* Load and stores */
|
| 135 |
#define MEMSUFFIX _raw
|
| 136 |
#include "op_mem.h" |
| 137 |
#if !defined(CONFIG_USER_ONLY)
|
| 138 |
#define MEMSUFFIX _kernel
|
| 139 |
#include "op_mem.h" |
| 140 |
#define MEMSUFFIX _executive
|
| 141 |
#include "op_mem.h" |
| 142 |
#define MEMSUFFIX _supervisor
|
| 143 |
#include "op_mem.h" |
| 144 |
#define MEMSUFFIX _user
|
| 145 |
#include "op_mem.h" |
| 146 |
/* This is used for pal modes */
|
| 147 |
#define MEMSUFFIX _data
|
| 148 |
#include "op_mem.h" |
| 149 |
#endif
|
| 150 |
|
| 151 |
/* Misc */
|
| 152 |
void OPPROTO op_load_fpcr (void) |
| 153 |
{
|
| 154 |
helper_load_fpcr(); |
| 155 |
RETURN(); |
| 156 |
} |
| 157 |
|
| 158 |
void OPPROTO op_store_fpcr (void) |
| 159 |
{
|
| 160 |
helper_store_fpcr(); |
| 161 |
RETURN(); |
| 162 |
} |
| 163 |
|
| 164 |
/* Arithmetic */
|
| 165 |
void OPPROTO op_addqv (void) |
| 166 |
{
|
| 167 |
helper_addqv(); |
| 168 |
RETURN(); |
| 169 |
} |
| 170 |
|
| 171 |
void OPPROTO op_addlv (void) |
| 172 |
{
|
| 173 |
helper_addlv(); |
| 174 |
RETURN(); |
| 175 |
} |
| 176 |
|
| 177 |
void OPPROTO op_subqv (void) |
| 178 |
{
|
| 179 |
helper_subqv(); |
| 180 |
RETURN(); |
| 181 |
} |
| 182 |
|
| 183 |
void OPPROTO op_sublv (void) |
| 184 |
{
|
| 185 |
helper_sublv(); |
| 186 |
RETURN(); |
| 187 |
} |
| 188 |
|
| 189 |
void OPPROTO op_mullv (void) |
| 190 |
{
|
| 191 |
helper_mullv(); |
| 192 |
RETURN(); |
| 193 |
} |
| 194 |
|
| 195 |
void OPPROTO op_mulqv (void) |
| 196 |
{
|
| 197 |
helper_mulqv(); |
| 198 |
RETURN(); |
| 199 |
} |
| 200 |
|
| 201 |
void OPPROTO op_umulh (void) |
| 202 |
{
|
| 203 |
uint64_t tl, th; |
| 204 |
|
| 205 |
mulu64(&tl, &th, T0, T1); |
| 206 |
T0 = th; |
| 207 |
RETURN(); |
| 208 |
} |
| 209 |
|
| 210 |
/* Tests */
|
| 211 |
void OPPROTO op_cmpbge (void) |
| 212 |
{
|
| 213 |
helper_cmpbge(); |
| 214 |
RETURN(); |
| 215 |
} |
| 216 |
|
| 217 |
#if 0 // Qemu does not know how to do this...
|
| 218 |
void OPPROTO op_bcond (void)
|
| 219 |
{
|
| 220 |
if (T0)
|
| 221 |
env->pc = T1 & ~3;
|
| 222 |
else
|
| 223 |
env->pc = PARAM(1);
|
| 224 |
RETURN();
|
| 225 |
}
|
| 226 |
#else
|
| 227 |
void OPPROTO op_bcond (void) |
| 228 |
{
|
| 229 |
if (T0)
|
| 230 |
env->pc = T1 & ~3;
|
| 231 |
else
|
| 232 |
env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2); |
| 233 |
RETURN(); |
| 234 |
} |
| 235 |
#endif
|
| 236 |
|
| 237 |
/* IEEE floating point arithmetic */
|
| 238 |
/* S floating (single) */
|
| 239 |
void OPPROTO op_adds (void) |
| 240 |
{
|
| 241 |
FT0 = float32_add(FT0, FT1, &FP_STATUS); |
| 242 |
RETURN(); |
| 243 |
} |
| 244 |
|
| 245 |
void OPPROTO op_subs (void) |
| 246 |
{
|
| 247 |
FT0 = float32_sub(FT0, FT1, &FP_STATUS); |
| 248 |
RETURN(); |
| 249 |
} |
| 250 |
|
| 251 |
void OPPROTO op_muls (void) |
| 252 |
{
|
| 253 |
FT0 = float32_mul(FT0, FT1, &FP_STATUS); |
| 254 |
RETURN(); |
| 255 |
} |
| 256 |
|
| 257 |
void OPPROTO op_divs (void) |
| 258 |
{
|
| 259 |
FT0 = float32_div(FT0, FT1, &FP_STATUS); |
| 260 |
RETURN(); |
| 261 |
} |
| 262 |
|
| 263 |
void OPPROTO op_sqrts (void) |
| 264 |
{
|
| 265 |
helper_sqrts(); |
| 266 |
RETURN(); |
| 267 |
} |
| 268 |
|
| 269 |
void OPPROTO op_cpys (void) |
| 270 |
{
|
| 271 |
helper_cpys(); |
| 272 |
RETURN(); |
| 273 |
} |
| 274 |
|
| 275 |
void OPPROTO op_cpysn (void) |
| 276 |
{
|
| 277 |
helper_cpysn(); |
| 278 |
RETURN(); |
| 279 |
} |
| 280 |
|
| 281 |
void OPPROTO op_cpyse (void) |
| 282 |
{
|
| 283 |
helper_cpyse(); |
| 284 |
RETURN(); |
| 285 |
} |
| 286 |
|
| 287 |
void OPPROTO op_itofs (void) |
| 288 |
{
|
| 289 |
helper_itofs(); |
| 290 |
RETURN(); |
| 291 |
} |
| 292 |
|
| 293 |
void OPPROTO op_ftois (void) |
| 294 |
{
|
| 295 |
helper_ftois(); |
| 296 |
RETURN(); |
| 297 |
} |
| 298 |
|
| 299 |
/* T floating (double) */
|
| 300 |
void OPPROTO op_addt (void) |
| 301 |
{
|
| 302 |
FT0 = float64_add(FT0, FT1, &FP_STATUS); |
| 303 |
RETURN(); |
| 304 |
} |
| 305 |
|
| 306 |
void OPPROTO op_subt (void) |
| 307 |
{
|
| 308 |
FT0 = float64_sub(FT0, FT1, &FP_STATUS); |
| 309 |
RETURN(); |
| 310 |
} |
| 311 |
|
| 312 |
void OPPROTO op_mult (void) |
| 313 |
{
|
| 314 |
FT0 = float64_mul(FT0, FT1, &FP_STATUS); |
| 315 |
RETURN(); |
| 316 |
} |
| 317 |
|
| 318 |
void OPPROTO op_divt (void) |
| 319 |
{
|
| 320 |
FT0 = float64_div(FT0, FT1, &FP_STATUS); |
| 321 |
RETURN(); |
| 322 |
} |
| 323 |
|
| 324 |
void OPPROTO op_sqrtt (void) |
| 325 |
{
|
| 326 |
helper_sqrtt(); |
| 327 |
RETURN(); |
| 328 |
} |
| 329 |
|
| 330 |
void OPPROTO op_cmptun (void) |
| 331 |
{
|
| 332 |
helper_cmptun(); |
| 333 |
RETURN(); |
| 334 |
} |
| 335 |
|
| 336 |
void OPPROTO op_cmpteq (void) |
| 337 |
{
|
| 338 |
helper_cmpteq(); |
| 339 |
RETURN(); |
| 340 |
} |
| 341 |
|
| 342 |
void OPPROTO op_cmptle (void) |
| 343 |
{
|
| 344 |
helper_cmptle(); |
| 345 |
RETURN(); |
| 346 |
} |
| 347 |
|
| 348 |
void OPPROTO op_cmptlt (void) |
| 349 |
{
|
| 350 |
helper_cmptlt(); |
| 351 |
RETURN(); |
| 352 |
} |
| 353 |
|
| 354 |
void OPPROTO op_itoft (void) |
| 355 |
{
|
| 356 |
helper_itoft(); |
| 357 |
RETURN(); |
| 358 |
} |
| 359 |
|
| 360 |
void OPPROTO op_ftoit (void) |
| 361 |
{
|
| 362 |
helper_ftoit(); |
| 363 |
RETURN(); |
| 364 |
} |
| 365 |
|
| 366 |
/* VAX floating point arithmetic */
|
| 367 |
/* F floating */
|
| 368 |
void OPPROTO op_addf (void) |
| 369 |
{
|
| 370 |
helper_addf(); |
| 371 |
RETURN(); |
| 372 |
} |
| 373 |
|
| 374 |
void OPPROTO op_subf (void) |
| 375 |
{
|
| 376 |
helper_subf(); |
| 377 |
RETURN(); |
| 378 |
} |
| 379 |
|
| 380 |
void OPPROTO op_mulf (void) |
| 381 |
{
|
| 382 |
helper_mulf(); |
| 383 |
RETURN(); |
| 384 |
} |
| 385 |
|
| 386 |
void OPPROTO op_divf (void) |
| 387 |
{
|
| 388 |
helper_divf(); |
| 389 |
RETURN(); |
| 390 |
} |
| 391 |
|
| 392 |
void OPPROTO op_sqrtf (void) |
| 393 |
{
|
| 394 |
helper_sqrtf(); |
| 395 |
RETURN(); |
| 396 |
} |
| 397 |
|
| 398 |
void OPPROTO op_cmpfeq (void) |
| 399 |
{
|
| 400 |
helper_cmpfeq(); |
| 401 |
RETURN(); |
| 402 |
} |
| 403 |
|
| 404 |
void OPPROTO op_cmpfne (void) |
| 405 |
{
|
| 406 |
helper_cmpfne(); |
| 407 |
RETURN(); |
| 408 |
} |
| 409 |
|
| 410 |
void OPPROTO op_cmpflt (void) |
| 411 |
{
|
| 412 |
helper_cmpflt(); |
| 413 |
RETURN(); |
| 414 |
} |
| 415 |
|
| 416 |
void OPPROTO op_cmpfle (void) |
| 417 |
{
|
| 418 |
helper_cmpfle(); |
| 419 |
RETURN(); |
| 420 |
} |
| 421 |
|
| 422 |
void OPPROTO op_cmpfgt (void) |
| 423 |
{
|
| 424 |
helper_cmpfgt(); |
| 425 |
RETURN(); |
| 426 |
} |
| 427 |
|
| 428 |
void OPPROTO op_cmpfge (void) |
| 429 |
{
|
| 430 |
helper_cmpfge(); |
| 431 |
RETURN(); |
| 432 |
} |
| 433 |
|
| 434 |
void OPPROTO op_itoff (void) |
| 435 |
{
|
| 436 |
helper_itoff(); |
| 437 |
RETURN(); |
| 438 |
} |
| 439 |
|
| 440 |
/* G floating */
|
| 441 |
void OPPROTO op_addg (void) |
| 442 |
{
|
| 443 |
helper_addg(); |
| 444 |
RETURN(); |
| 445 |
} |
| 446 |
|
| 447 |
void OPPROTO op_subg (void) |
| 448 |
{
|
| 449 |
helper_subg(); |
| 450 |
RETURN(); |
| 451 |
} |
| 452 |
|
| 453 |
void OPPROTO op_mulg (void) |
| 454 |
{
|
| 455 |
helper_mulg(); |
| 456 |
RETURN(); |
| 457 |
} |
| 458 |
|
| 459 |
void OPPROTO op_divg (void) |
| 460 |
{
|
| 461 |
helper_divg(); |
| 462 |
RETURN(); |
| 463 |
} |
| 464 |
|
| 465 |
void OPPROTO op_sqrtg (void) |
| 466 |
{
|
| 467 |
helper_sqrtg(); |
| 468 |
RETURN(); |
| 469 |
} |
| 470 |
|
| 471 |
void OPPROTO op_cmpgeq (void) |
| 472 |
{
|
| 473 |
helper_cmpgeq(); |
| 474 |
RETURN(); |
| 475 |
} |
| 476 |
|
| 477 |
void OPPROTO op_cmpglt (void) |
| 478 |
{
|
| 479 |
helper_cmpglt(); |
| 480 |
RETURN(); |
| 481 |
} |
| 482 |
|
| 483 |
void OPPROTO op_cmpgle (void) |
| 484 |
{
|
| 485 |
helper_cmpgle(); |
| 486 |
RETURN(); |
| 487 |
} |
| 488 |
|
| 489 |
/* Floating point format conversion */
|
| 490 |
void OPPROTO op_cvtst (void) |
| 491 |
{
|
| 492 |
FT0 = (float)FT0;
|
| 493 |
RETURN(); |
| 494 |
} |
| 495 |
|
| 496 |
void OPPROTO op_cvtqs (void) |
| 497 |
{
|
| 498 |
helper_cvtqs(); |
| 499 |
RETURN(); |
| 500 |
} |
| 501 |
|
| 502 |
void OPPROTO op_cvtts (void) |
| 503 |
{
|
| 504 |
FT0 = (float)FT0;
|
| 505 |
RETURN(); |
| 506 |
} |
| 507 |
|
| 508 |
void OPPROTO op_cvttq (void) |
| 509 |
{
|
| 510 |
helper_cvttq(); |
| 511 |
RETURN(); |
| 512 |
} |
| 513 |
|
| 514 |
void OPPROTO op_cvtqt (void) |
| 515 |
{
|
| 516 |
helper_cvtqt(); |
| 517 |
RETURN(); |
| 518 |
} |
| 519 |
|
| 520 |
void OPPROTO op_cvtqf (void) |
| 521 |
{
|
| 522 |
helper_cvtqf(); |
| 523 |
RETURN(); |
| 524 |
} |
| 525 |
|
| 526 |
void OPPROTO op_cvtgf (void) |
| 527 |
{
|
| 528 |
helper_cvtgf(); |
| 529 |
RETURN(); |
| 530 |
} |
| 531 |
|
| 532 |
void OPPROTO op_cvtgd (void) |
| 533 |
{
|
| 534 |
helper_cvtgd(); |
| 535 |
RETURN(); |
| 536 |
} |
| 537 |
|
| 538 |
void OPPROTO op_cvtgq (void) |
| 539 |
{
|
| 540 |
helper_cvtgq(); |
| 541 |
RETURN(); |
| 542 |
} |
| 543 |
|
| 544 |
void OPPROTO op_cvtqg (void) |
| 545 |
{
|
| 546 |
helper_cvtqg(); |
| 547 |
RETURN(); |
| 548 |
} |
| 549 |
|
| 550 |
void OPPROTO op_cvtdg (void) |
| 551 |
{
|
| 552 |
helper_cvtdg(); |
| 553 |
RETURN(); |
| 554 |
} |
| 555 |
|
| 556 |
void OPPROTO op_cvtlq (void) |
| 557 |
{
|
| 558 |
helper_cvtlq(); |
| 559 |
RETURN(); |
| 560 |
} |
| 561 |
|
| 562 |
void OPPROTO op_cvtql (void) |
| 563 |
{
|
| 564 |
helper_cvtql(); |
| 565 |
RETURN(); |
| 566 |
} |
| 567 |
|
| 568 |
void OPPROTO op_cvtqlv (void) |
| 569 |
{
|
| 570 |
helper_cvtqlv(); |
| 571 |
RETURN(); |
| 572 |
} |
| 573 |
|
| 574 |
void OPPROTO op_cvtqlsv (void) |
| 575 |
{
|
| 576 |
helper_cvtqlsv(); |
| 577 |
RETURN(); |
| 578 |
} |
| 579 |
|
| 580 |
/* PALcode support special instructions */
|
| 581 |
#if !defined (CONFIG_USER_ONLY)
|
| 582 |
void OPPROTO op_hw_rei (void) |
| 583 |
{
|
| 584 |
env->pc = env->ipr[IPR_EXC_ADDR] & ~3;
|
| 585 |
env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
|
| 586 |
/* XXX: re-enable interrupts and memory mapping */
|
| 587 |
RETURN(); |
| 588 |
} |
| 589 |
|
| 590 |
void OPPROTO op_hw_ret (void) |
| 591 |
{
|
| 592 |
env->pc = T0 & ~3;
|
| 593 |
env->ipr[IPR_EXC_ADDR] = T0 & 1;
|
| 594 |
/* XXX: re-enable interrupts and memory mapping */
|
| 595 |
RETURN(); |
| 596 |
} |
| 597 |
|
| 598 |
void OPPROTO op_mfpr (void) |
| 599 |
{
|
| 600 |
helper_mfpr(PARAM(1));
|
| 601 |
RETURN(); |
| 602 |
} |
| 603 |
|
| 604 |
void OPPROTO op_mtpr (void) |
| 605 |
{
|
| 606 |
helper_mtpr(PARAM(1));
|
| 607 |
RETURN(); |
| 608 |
} |
| 609 |
|
| 610 |
void OPPROTO op_set_alt_mode (void) |
| 611 |
{
|
| 612 |
env->saved_mode = env->ps & 0xC;
|
| 613 |
env->ps = (env->ps & ~0xC) | (env->ipr[IPR_ALT_MODE] & 0xC); |
| 614 |
RETURN(); |
| 615 |
} |
| 616 |
|
| 617 |
void OPPROTO op_restore_mode (void) |
| 618 |
{
|
| 619 |
env->ps = (env->ps & ~0xC) | env->saved_mode;
|
| 620 |
RETURN(); |
| 621 |
} |
| 622 |
|
| 623 |
void OPPROTO op_ld_phys_to_virt (void) |
| 624 |
{
|
| 625 |
helper_ld_phys_to_virt(); |
| 626 |
RETURN(); |
| 627 |
} |
| 628 |
|
| 629 |
void OPPROTO op_st_phys_to_virt (void) |
| 630 |
{
|
| 631 |
helper_st_phys_to_virt(); |
| 632 |
RETURN(); |
| 633 |
} |
| 634 |
#endif /* !defined (CONFIG_USER_ONLY) */ |