root / target-ppc / op.c @ 3cc62370
History | View | Annotate | Download (20.2 kB)
| 1 |
/*
|
|---|---|
| 2 |
* PPC emulation micro-operations for qemu.
|
| 3 |
*
|
| 4 |
* Copyright (c) 2003 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 |
|
| 26 |
#define regs (env)
|
| 27 |
#define Ts0 (int32_t)T0
|
| 28 |
#define Ts1 (int32_t)T1
|
| 29 |
#define Ts2 (int32_t)T2
|
| 30 |
|
| 31 |
#define FT0 (env->ft0)
|
| 32 |
#define FT1 (env->ft1)
|
| 33 |
#define FT2 (env->ft2)
|
| 34 |
|
| 35 |
#define FTS0 ((float)env->ft0) |
| 36 |
#define FTS1 ((float)env->ft1) |
| 37 |
#define FTS2 ((float)env->ft2) |
| 38 |
|
| 39 |
#define PPC_OP(name) void glue(op_, name)(void) |
| 40 |
|
| 41 |
#define REG 0 |
| 42 |
#include "op_template.h" |
| 43 |
|
| 44 |
#define REG 1 |
| 45 |
#include "op_template.h" |
| 46 |
|
| 47 |
#define REG 2 |
| 48 |
#include "op_template.h" |
| 49 |
|
| 50 |
#define REG 3 |
| 51 |
#include "op_template.h" |
| 52 |
|
| 53 |
#define REG 4 |
| 54 |
#include "op_template.h" |
| 55 |
|
| 56 |
#define REG 5 |
| 57 |
#include "op_template.h" |
| 58 |
|
| 59 |
#define REG 6 |
| 60 |
#include "op_template.h" |
| 61 |
|
| 62 |
#define REG 7 |
| 63 |
#include "op_template.h" |
| 64 |
|
| 65 |
#define REG 8 |
| 66 |
#include "op_template.h" |
| 67 |
|
| 68 |
#define REG 9 |
| 69 |
#include "op_template.h" |
| 70 |
|
| 71 |
#define REG 10 |
| 72 |
#include "op_template.h" |
| 73 |
|
| 74 |
#define REG 11 |
| 75 |
#include "op_template.h" |
| 76 |
|
| 77 |
#define REG 12 |
| 78 |
#include "op_template.h" |
| 79 |
|
| 80 |
#define REG 13 |
| 81 |
#include "op_template.h" |
| 82 |
|
| 83 |
#define REG 14 |
| 84 |
#include "op_template.h" |
| 85 |
|
| 86 |
#define REG 15 |
| 87 |
#include "op_template.h" |
| 88 |
|
| 89 |
#define REG 16 |
| 90 |
#include "op_template.h" |
| 91 |
|
| 92 |
#define REG 17 |
| 93 |
#include "op_template.h" |
| 94 |
|
| 95 |
#define REG 18 |
| 96 |
#include "op_template.h" |
| 97 |
|
| 98 |
#define REG 19 |
| 99 |
#include "op_template.h" |
| 100 |
|
| 101 |
#define REG 20 |
| 102 |
#include "op_template.h" |
| 103 |
|
| 104 |
#define REG 21 |
| 105 |
#include "op_template.h" |
| 106 |
|
| 107 |
#define REG 22 |
| 108 |
#include "op_template.h" |
| 109 |
|
| 110 |
#define REG 23 |
| 111 |
#include "op_template.h" |
| 112 |
|
| 113 |
#define REG 24 |
| 114 |
#include "op_template.h" |
| 115 |
|
| 116 |
#define REG 25 |
| 117 |
#include "op_template.h" |
| 118 |
|
| 119 |
#define REG 26 |
| 120 |
#include "op_template.h" |
| 121 |
|
| 122 |
#define REG 27 |
| 123 |
#include "op_template.h" |
| 124 |
|
| 125 |
#define REG 28 |
| 126 |
#include "op_template.h" |
| 127 |
|
| 128 |
#define REG 29 |
| 129 |
#include "op_template.h" |
| 130 |
|
| 131 |
#define REG 30 |
| 132 |
#include "op_template.h" |
| 133 |
|
| 134 |
#define REG 31 |
| 135 |
#include "op_template.h" |
| 136 |
|
| 137 |
/* PPC state maintenance operations */
|
| 138 |
/* set_Rc0 */
|
| 139 |
PPC_OP(set_Rc0) |
| 140 |
{
|
| 141 |
uint32_t tmp; |
| 142 |
|
| 143 |
if (Ts0 < 0) { |
| 144 |
tmp = 0x08;
|
| 145 |
} else if (Ts0 > 0) { |
| 146 |
tmp = 0x04;
|
| 147 |
} else {
|
| 148 |
tmp = 0x02;
|
| 149 |
} |
| 150 |
tmp |= xer_ov; |
| 151 |
env->crf[0] = tmp;
|
| 152 |
RETURN(); |
| 153 |
} |
| 154 |
|
| 155 |
/* reset_Rc0 */
|
| 156 |
PPC_OP(reset_Rc0) |
| 157 |
{
|
| 158 |
env->crf[0] = 0x02 | xer_ov; |
| 159 |
RETURN(); |
| 160 |
} |
| 161 |
|
| 162 |
/* set_Rc0_1 */
|
| 163 |
PPC_OP(set_Rc0_1) |
| 164 |
{
|
| 165 |
env->crf[0] = 0x04 | xer_ov; |
| 166 |
RETURN(); |
| 167 |
} |
| 168 |
|
| 169 |
/* Set Rc1 (for floating point arithmetic) */
|
| 170 |
PPC_OP(set_Rc1) |
| 171 |
{
|
| 172 |
env->crf[1] = regs->fpscr[7]; |
| 173 |
RETURN(); |
| 174 |
} |
| 175 |
|
| 176 |
/* Constants load */
|
| 177 |
PPC_OP(set_T0) |
| 178 |
{
|
| 179 |
T0 = PARAM(1);
|
| 180 |
RETURN(); |
| 181 |
} |
| 182 |
|
| 183 |
PPC_OP(set_T1) |
| 184 |
{
|
| 185 |
T1 = PARAM(1);
|
| 186 |
RETURN(); |
| 187 |
} |
| 188 |
|
| 189 |
PPC_OP(set_T2) |
| 190 |
{
|
| 191 |
T2 = PARAM(1);
|
| 192 |
RETURN(); |
| 193 |
} |
| 194 |
|
| 195 |
/* Generate exceptions */
|
| 196 |
PPC_OP(raise_exception_err) |
| 197 |
{
|
| 198 |
do_raise_exception_err(PARAM(1), PARAM(2)); |
| 199 |
} |
| 200 |
|
| 201 |
PPC_OP(raise_exception) |
| 202 |
{
|
| 203 |
do_raise_exception(PARAM(1));
|
| 204 |
} |
| 205 |
|
| 206 |
PPC_OP(update_nip) |
| 207 |
{
|
| 208 |
env->nip = PARAM(1);
|
| 209 |
} |
| 210 |
|
| 211 |
PPC_OP(debug) |
| 212 |
{
|
| 213 |
env->nip = PARAM(1);
|
| 214 |
#if defined (DEBUG_OP)
|
| 215 |
dump_state(); |
| 216 |
#endif
|
| 217 |
do_raise_exception(EXCP_DEBUG); |
| 218 |
RETURN(); |
| 219 |
} |
| 220 |
|
| 221 |
/* Segment registers load and store with immediate index */
|
| 222 |
PPC_OP(load_srin) |
| 223 |
{
|
| 224 |
T0 = regs->sr[T1 >> 28];
|
| 225 |
RETURN(); |
| 226 |
} |
| 227 |
|
| 228 |
PPC_OP(store_srin) |
| 229 |
{
|
| 230 |
do_store_sr(T1 >> 28);
|
| 231 |
RETURN(); |
| 232 |
} |
| 233 |
|
| 234 |
PPC_OP(load_sdr1) |
| 235 |
{
|
| 236 |
T0 = regs->sdr1; |
| 237 |
RETURN(); |
| 238 |
} |
| 239 |
|
| 240 |
PPC_OP(store_sdr1) |
| 241 |
{
|
| 242 |
regs->sdr1 = T0; |
| 243 |
RETURN(); |
| 244 |
} |
| 245 |
|
| 246 |
PPC_OP(exit_tb) |
| 247 |
{
|
| 248 |
EXIT_TB(); |
| 249 |
} |
| 250 |
|
| 251 |
/* Load/store special registers */
|
| 252 |
PPC_OP(load_cr) |
| 253 |
{
|
| 254 |
do_load_cr(); |
| 255 |
RETURN(); |
| 256 |
} |
| 257 |
|
| 258 |
PPC_OP(store_cr) |
| 259 |
{
|
| 260 |
do_store_cr(PARAM(1));
|
| 261 |
RETURN(); |
| 262 |
} |
| 263 |
|
| 264 |
PPC_OP(load_xer_cr) |
| 265 |
{
|
| 266 |
T0 = (xer_so << 3) | (xer_ov << 2) | (xer_ca << 1); |
| 267 |
RETURN(); |
| 268 |
} |
| 269 |
|
| 270 |
PPC_OP(clear_xer_cr) |
| 271 |
{
|
| 272 |
xer_so = 0;
|
| 273 |
xer_ov = 0;
|
| 274 |
xer_ca = 0;
|
| 275 |
RETURN(); |
| 276 |
} |
| 277 |
|
| 278 |
PPC_OP(load_xer_bc) |
| 279 |
{
|
| 280 |
T1 = xer_bc; |
| 281 |
RETURN(); |
| 282 |
} |
| 283 |
|
| 284 |
PPC_OP(load_xer) |
| 285 |
{
|
| 286 |
do_load_xer(); |
| 287 |
RETURN(); |
| 288 |
} |
| 289 |
|
| 290 |
PPC_OP(store_xer) |
| 291 |
{
|
| 292 |
do_store_xer(); |
| 293 |
RETURN(); |
| 294 |
} |
| 295 |
|
| 296 |
PPC_OP(load_msr) |
| 297 |
{
|
| 298 |
do_load_msr(); |
| 299 |
RETURN(); |
| 300 |
} |
| 301 |
|
| 302 |
PPC_OP(store_msr) |
| 303 |
{
|
| 304 |
do_store_msr(); |
| 305 |
RETURN(); |
| 306 |
} |
| 307 |
|
| 308 |
/* SPR */
|
| 309 |
PPC_OP(load_spr) |
| 310 |
{
|
| 311 |
T0 = regs->spr[PARAM(1)];
|
| 312 |
RETURN(); |
| 313 |
} |
| 314 |
|
| 315 |
PPC_OP(store_spr) |
| 316 |
{
|
| 317 |
regs->spr[PARAM(1)] = T0;
|
| 318 |
RETURN(); |
| 319 |
} |
| 320 |
|
| 321 |
PPC_OP(load_lr) |
| 322 |
{
|
| 323 |
T0 = regs->lr; |
| 324 |
RETURN(); |
| 325 |
} |
| 326 |
|
| 327 |
PPC_OP(store_lr) |
| 328 |
{
|
| 329 |
regs->lr = T0; |
| 330 |
RETURN(); |
| 331 |
} |
| 332 |
|
| 333 |
PPC_OP(load_ctr) |
| 334 |
{
|
| 335 |
T0 = regs->ctr; |
| 336 |
RETURN(); |
| 337 |
} |
| 338 |
|
| 339 |
PPC_OP(store_ctr) |
| 340 |
{
|
| 341 |
regs->ctr = T0; |
| 342 |
RETURN(); |
| 343 |
} |
| 344 |
|
| 345 |
PPC_OP(load_tbl) |
| 346 |
{
|
| 347 |
T0 = cpu_ppc_load_tbl(regs); |
| 348 |
RETURN(); |
| 349 |
} |
| 350 |
|
| 351 |
PPC_OP(load_tbu) |
| 352 |
{
|
| 353 |
T0 = cpu_ppc_load_tbu(regs); |
| 354 |
RETURN(); |
| 355 |
} |
| 356 |
|
| 357 |
PPC_OP(store_tbl) |
| 358 |
{
|
| 359 |
cpu_ppc_store_tbl(regs, T0); |
| 360 |
RETURN(); |
| 361 |
} |
| 362 |
|
| 363 |
PPC_OP(store_tbu) |
| 364 |
{
|
| 365 |
cpu_ppc_store_tbu(regs, T0); |
| 366 |
RETURN(); |
| 367 |
} |
| 368 |
|
| 369 |
PPC_OP(load_decr) |
| 370 |
{
|
| 371 |
T0 = cpu_ppc_load_decr(regs); |
| 372 |
} |
| 373 |
|
| 374 |
PPC_OP(store_decr) |
| 375 |
{
|
| 376 |
cpu_ppc_store_decr(regs, T0); |
| 377 |
RETURN(); |
| 378 |
} |
| 379 |
|
| 380 |
PPC_OP(load_ibat) |
| 381 |
{
|
| 382 |
T0 = regs->IBAT[PARAM(1)][PARAM(2)]; |
| 383 |
} |
| 384 |
|
| 385 |
PPC_OP(store_ibat) |
| 386 |
{
|
| 387 |
do_store_ibat(PARAM(1), PARAM(2)); |
| 388 |
} |
| 389 |
|
| 390 |
PPC_OP(load_dbat) |
| 391 |
{
|
| 392 |
T0 = regs->DBAT[PARAM(1)][PARAM(2)]; |
| 393 |
} |
| 394 |
|
| 395 |
PPC_OP(store_dbat) |
| 396 |
{
|
| 397 |
do_store_dbat(PARAM(1), PARAM(2)); |
| 398 |
} |
| 399 |
|
| 400 |
/* FPSCR */
|
| 401 |
PPC_OP(load_fpscr) |
| 402 |
{
|
| 403 |
do_load_fpscr(); |
| 404 |
RETURN(); |
| 405 |
} |
| 406 |
|
| 407 |
PPC_OP(store_fpscr) |
| 408 |
{
|
| 409 |
do_store_fpscr(PARAM(1));
|
| 410 |
RETURN(); |
| 411 |
} |
| 412 |
|
| 413 |
PPC_OP(reset_scrfx) |
| 414 |
{
|
| 415 |
regs->fpscr[7] &= ~0x8; |
| 416 |
RETURN(); |
| 417 |
} |
| 418 |
|
| 419 |
/* crf operations */
|
| 420 |
PPC_OP(getbit_T0) |
| 421 |
{
|
| 422 |
T0 = (T0 >> PARAM(1)) & 1; |
| 423 |
RETURN(); |
| 424 |
} |
| 425 |
|
| 426 |
PPC_OP(getbit_T1) |
| 427 |
{
|
| 428 |
T1 = (T1 >> PARAM(1)) & 1; |
| 429 |
RETURN(); |
| 430 |
} |
| 431 |
|
| 432 |
PPC_OP(setcrfbit) |
| 433 |
{
|
| 434 |
T1 = (T1 & PARAM(1)) | (T0 << PARAM(2)); |
| 435 |
RETURN(); |
| 436 |
} |
| 437 |
|
| 438 |
/* Branch */
|
| 439 |
#define EIP regs->nip
|
| 440 |
|
| 441 |
PPC_OP(setlr) |
| 442 |
{
|
| 443 |
regs->lr = PARAM1; |
| 444 |
} |
| 445 |
|
| 446 |
PPC_OP(b) |
| 447 |
{
|
| 448 |
JUMP_TB(b1, PARAM1, 0, PARAM2);
|
| 449 |
} |
| 450 |
|
| 451 |
PPC_OP(b_T1) |
| 452 |
{
|
| 453 |
regs->nip = T1; |
| 454 |
} |
| 455 |
|
| 456 |
PPC_OP(btest) |
| 457 |
{
|
| 458 |
if (T0) {
|
| 459 |
JUMP_TB(btest, PARAM1, 0, PARAM2);
|
| 460 |
} else {
|
| 461 |
JUMP_TB(btest, PARAM1, 1, PARAM3);
|
| 462 |
} |
| 463 |
RETURN(); |
| 464 |
} |
| 465 |
|
| 466 |
PPC_OP(btest_T1) |
| 467 |
{
|
| 468 |
if (T0) {
|
| 469 |
regs->nip = T1 & ~3;
|
| 470 |
} else {
|
| 471 |
regs->nip = PARAM1; |
| 472 |
} |
| 473 |
RETURN(); |
| 474 |
} |
| 475 |
|
| 476 |
PPC_OP(movl_T1_ctr) |
| 477 |
{
|
| 478 |
T1 = regs->ctr; |
| 479 |
} |
| 480 |
|
| 481 |
PPC_OP(movl_T1_lr) |
| 482 |
{
|
| 483 |
T1 = regs->lr; |
| 484 |
} |
| 485 |
|
| 486 |
/* tests with result in T0 */
|
| 487 |
|
| 488 |
PPC_OP(test_ctr) |
| 489 |
{
|
| 490 |
T0 = regs->ctr; |
| 491 |
} |
| 492 |
|
| 493 |
PPC_OP(test_ctr_true) |
| 494 |
{
|
| 495 |
T0 = (regs->ctr != 0 && (T0 & PARAM(1)) != 0); |
| 496 |
} |
| 497 |
|
| 498 |
PPC_OP(test_ctr_false) |
| 499 |
{
|
| 500 |
T0 = (regs->ctr != 0 && (T0 & PARAM(1)) == 0); |
| 501 |
} |
| 502 |
|
| 503 |
PPC_OP(test_ctrz) |
| 504 |
{
|
| 505 |
T0 = (regs->ctr == 0);
|
| 506 |
} |
| 507 |
|
| 508 |
PPC_OP(test_ctrz_true) |
| 509 |
{
|
| 510 |
T0 = (regs->ctr == 0 && (T0 & PARAM(1)) != 0); |
| 511 |
} |
| 512 |
|
| 513 |
PPC_OP(test_ctrz_false) |
| 514 |
{
|
| 515 |
T0 = (regs->ctr == 0 && (T0 & PARAM(1)) == 0); |
| 516 |
} |
| 517 |
|
| 518 |
PPC_OP(test_true) |
| 519 |
{
|
| 520 |
T0 = (T0 & PARAM(1));
|
| 521 |
} |
| 522 |
|
| 523 |
PPC_OP(test_false) |
| 524 |
{
|
| 525 |
T0 = ((T0 & PARAM(1)) == 0); |
| 526 |
} |
| 527 |
|
| 528 |
/* CTR maintenance */
|
| 529 |
PPC_OP(dec_ctr) |
| 530 |
{
|
| 531 |
regs->ctr--; |
| 532 |
RETURN(); |
| 533 |
} |
| 534 |
|
| 535 |
/*** Integer arithmetic ***/
|
| 536 |
/* add */
|
| 537 |
PPC_OP(add) |
| 538 |
{
|
| 539 |
T0 += T1; |
| 540 |
RETURN(); |
| 541 |
} |
| 542 |
|
| 543 |
PPC_OP(addo) |
| 544 |
{
|
| 545 |
T2 = T0; |
| 546 |
T0 += T1; |
| 547 |
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) { |
| 548 |
xer_so = 1;
|
| 549 |
xer_ov = 1;
|
| 550 |
} else {
|
| 551 |
xer_ov = 0;
|
| 552 |
} |
| 553 |
RETURN(); |
| 554 |
} |
| 555 |
|
| 556 |
/* add carrying */
|
| 557 |
PPC_OP(addc) |
| 558 |
{
|
| 559 |
T2 = T0; |
| 560 |
T0 += T1; |
| 561 |
if (T0 < T2) {
|
| 562 |
xer_ca = 1;
|
| 563 |
} else {
|
| 564 |
xer_ca = 0;
|
| 565 |
} |
| 566 |
RETURN(); |
| 567 |
} |
| 568 |
|
| 569 |
PPC_OP(addco) |
| 570 |
{
|
| 571 |
T2 = T0; |
| 572 |
T0 += T1; |
| 573 |
if (T0 < T2) {
|
| 574 |
xer_ca = 1;
|
| 575 |
} else {
|
| 576 |
xer_ca = 0;
|
| 577 |
} |
| 578 |
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) { |
| 579 |
xer_so = 1;
|
| 580 |
xer_ov = 1;
|
| 581 |
} else {
|
| 582 |
xer_ov = 0;
|
| 583 |
} |
| 584 |
RETURN(); |
| 585 |
} |
| 586 |
|
| 587 |
/* add extended */
|
| 588 |
/* candidate for helper (too long) */
|
| 589 |
PPC_OP(adde) |
| 590 |
{
|
| 591 |
T2 = T0; |
| 592 |
T0 += T1 + xer_ca; |
| 593 |
if (T0 < T2 || (xer_ca == 1 && T0 == T2)) { |
| 594 |
xer_ca = 1;
|
| 595 |
} else {
|
| 596 |
xer_ca = 0;
|
| 597 |
} |
| 598 |
RETURN(); |
| 599 |
} |
| 600 |
|
| 601 |
PPC_OP(addeo) |
| 602 |
{
|
| 603 |
T2 = T0; |
| 604 |
T0 += T1 + xer_ca; |
| 605 |
if (T0 < T2 || (xer_ca == 1 && T0 == T2)) { |
| 606 |
xer_ca = 1;
|
| 607 |
} else {
|
| 608 |
xer_ca = 0;
|
| 609 |
} |
| 610 |
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) { |
| 611 |
xer_so = 1;
|
| 612 |
xer_ov = 1;
|
| 613 |
} else {
|
| 614 |
xer_ov = 0;
|
| 615 |
} |
| 616 |
RETURN(); |
| 617 |
} |
| 618 |
|
| 619 |
/* add immediate */
|
| 620 |
PPC_OP(addi) |
| 621 |
{
|
| 622 |
T0 += PARAM(1);
|
| 623 |
RETURN(); |
| 624 |
} |
| 625 |
|
| 626 |
/* add immediate carrying */
|
| 627 |
PPC_OP(addic) |
| 628 |
{
|
| 629 |
T1 = T0; |
| 630 |
T0 += PARAM(1);
|
| 631 |
if (T0 < T1) {
|
| 632 |
xer_ca = 1;
|
| 633 |
} else {
|
| 634 |
xer_ca = 0;
|
| 635 |
} |
| 636 |
RETURN(); |
| 637 |
} |
| 638 |
|
| 639 |
/* add to minus one extended */
|
| 640 |
PPC_OP(addme) |
| 641 |
{
|
| 642 |
T1 = T0; |
| 643 |
T0 += xer_ca + (-1);
|
| 644 |
if (T1 != 0) |
| 645 |
xer_ca = 1;
|
| 646 |
RETURN(); |
| 647 |
} |
| 648 |
|
| 649 |
PPC_OP(addmeo) |
| 650 |
{
|
| 651 |
T1 = T0; |
| 652 |
T0 += xer_ca + (-1);
|
| 653 |
if (T1 & (T1 ^ T0) & (1 << 31)) { |
| 654 |
xer_so = 1;
|
| 655 |
xer_ov = 1;
|
| 656 |
} else {
|
| 657 |
xer_ov = 0;
|
| 658 |
} |
| 659 |
if (T1 != 0) |
| 660 |
xer_ca = 1;
|
| 661 |
RETURN(); |
| 662 |
} |
| 663 |
|
| 664 |
/* add to zero extended */
|
| 665 |
PPC_OP(addze) |
| 666 |
{
|
| 667 |
T1 = T0; |
| 668 |
T0 += xer_ca; |
| 669 |
if (T0 < T1) {
|
| 670 |
xer_ca = 1;
|
| 671 |
} else {
|
| 672 |
xer_ca = 0;
|
| 673 |
} |
| 674 |
RETURN(); |
| 675 |
} |
| 676 |
|
| 677 |
PPC_OP(addzeo) |
| 678 |
{
|
| 679 |
T1 = T0; |
| 680 |
T0 += xer_ca; |
| 681 |
if ((T1 ^ (-1)) & (T1 ^ T0) & (1 << 31)) { |
| 682 |
xer_so = 1;
|
| 683 |
xer_ov = 1;
|
| 684 |
} else {
|
| 685 |
xer_ov = 0;
|
| 686 |
} |
| 687 |
if (T0 < T1) {
|
| 688 |
xer_ca = 1;
|
| 689 |
} else {
|
| 690 |
xer_ca = 0;
|
| 691 |
} |
| 692 |
RETURN(); |
| 693 |
} |
| 694 |
|
| 695 |
/* divide word */
|
| 696 |
/* candidate for helper (too long) */
|
| 697 |
PPC_OP(divw) |
| 698 |
{
|
| 699 |
if ((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0) { |
| 700 |
T0 = (int32_t)((-1) * (T0 >> 31)); |
| 701 |
} else {
|
| 702 |
T0 = (Ts0 / Ts1); |
| 703 |
} |
| 704 |
RETURN(); |
| 705 |
} |
| 706 |
|
| 707 |
PPC_OP(divwo) |
| 708 |
{
|
| 709 |
if ((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0) { |
| 710 |
xer_so = 1;
|
| 711 |
xer_ov = 1;
|
| 712 |
T0 = (-1) * (T0 >> 31); |
| 713 |
} else {
|
| 714 |
xer_ov = 0;
|
| 715 |
T0 = (Ts0 / Ts1); |
| 716 |
} |
| 717 |
RETURN(); |
| 718 |
} |
| 719 |
|
| 720 |
/* divide word unsigned */
|
| 721 |
PPC_OP(divwu) |
| 722 |
{
|
| 723 |
if (T1 == 0) { |
| 724 |
T0 = 0;
|
| 725 |
} else {
|
| 726 |
T0 /= T1; |
| 727 |
} |
| 728 |
RETURN(); |
| 729 |
} |
| 730 |
|
| 731 |
PPC_OP(divwuo) |
| 732 |
{
|
| 733 |
if (T1 == 0) { |
| 734 |
xer_so = 1;
|
| 735 |
xer_ov = 1;
|
| 736 |
T0 = 0;
|
| 737 |
} else {
|
| 738 |
xer_ov = 0;
|
| 739 |
T0 /= T1; |
| 740 |
} |
| 741 |
RETURN(); |
| 742 |
} |
| 743 |
|
| 744 |
/* multiply high word */
|
| 745 |
PPC_OP(mulhw) |
| 746 |
{
|
| 747 |
T0 = ((int64_t)Ts0 * (int64_t)Ts1) >> 32;
|
| 748 |
RETURN(); |
| 749 |
} |
| 750 |
|
| 751 |
/* multiply high word unsigned */
|
| 752 |
PPC_OP(mulhwu) |
| 753 |
{
|
| 754 |
T0 = ((uint64_t)T0 * (uint64_t)T1) >> 32;
|
| 755 |
RETURN(); |
| 756 |
} |
| 757 |
|
| 758 |
/* multiply low immediate */
|
| 759 |
PPC_OP(mulli) |
| 760 |
{
|
| 761 |
T0 = (Ts0 * SPARAM(1));
|
| 762 |
RETURN(); |
| 763 |
} |
| 764 |
|
| 765 |
/* multiply low word */
|
| 766 |
PPC_OP(mullw) |
| 767 |
{
|
| 768 |
T0 *= T1; |
| 769 |
RETURN(); |
| 770 |
} |
| 771 |
|
| 772 |
PPC_OP(mullwo) |
| 773 |
{
|
| 774 |
int64_t res = (int64_t)Ts0 * (int64_t)Ts1; |
| 775 |
|
| 776 |
if ((int32_t)res != res) {
|
| 777 |
xer_ov = 1;
|
| 778 |
xer_so = 1;
|
| 779 |
} else {
|
| 780 |
xer_ov = 0;
|
| 781 |
} |
| 782 |
T0 = (int32_t)res; |
| 783 |
RETURN(); |
| 784 |
} |
| 785 |
|
| 786 |
/* negate */
|
| 787 |
PPC_OP(neg) |
| 788 |
{
|
| 789 |
if (T0 != 0x80000000) { |
| 790 |
T0 = -Ts0; |
| 791 |
} |
| 792 |
RETURN(); |
| 793 |
} |
| 794 |
|
| 795 |
PPC_OP(nego) |
| 796 |
{
|
| 797 |
if (T0 == 0x80000000) { |
| 798 |
xer_ov = 1;
|
| 799 |
xer_so = 1;
|
| 800 |
} else {
|
| 801 |
xer_ov = 0;
|
| 802 |
T0 = -Ts0; |
| 803 |
} |
| 804 |
RETURN(); |
| 805 |
} |
| 806 |
|
| 807 |
/* substract from */
|
| 808 |
PPC_OP(subf) |
| 809 |
{
|
| 810 |
T0 = T1 - T0; |
| 811 |
RETURN(); |
| 812 |
} |
| 813 |
|
| 814 |
PPC_OP(subfo) |
| 815 |
{
|
| 816 |
T2 = T0; |
| 817 |
T0 = T1 - T0; |
| 818 |
if (((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)) { |
| 819 |
xer_so = 1;
|
| 820 |
xer_ov = 1;
|
| 821 |
} else {
|
| 822 |
xer_ov = 0;
|
| 823 |
} |
| 824 |
RETURN(); |
| 825 |
} |
| 826 |
|
| 827 |
/* substract from carrying */
|
| 828 |
PPC_OP(subfc) |
| 829 |
{
|
| 830 |
T0 = T1 - T0; |
| 831 |
if (T0 <= T1) {
|
| 832 |
xer_ca = 1;
|
| 833 |
} else {
|
| 834 |
xer_ca = 0;
|
| 835 |
} |
| 836 |
RETURN(); |
| 837 |
} |
| 838 |
|
| 839 |
PPC_OP(subfco) |
| 840 |
{
|
| 841 |
T2 = T0; |
| 842 |
T0 = T1 - T0; |
| 843 |
if (T0 <= T1) {
|
| 844 |
xer_ca = 1;
|
| 845 |
} else {
|
| 846 |
xer_ca = 0;
|
| 847 |
} |
| 848 |
if (((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)) { |
| 849 |
xer_so = 1;
|
| 850 |
xer_ov = 1;
|
| 851 |
} else {
|
| 852 |
xer_ov = 0;
|
| 853 |
} |
| 854 |
RETURN(); |
| 855 |
} |
| 856 |
|
| 857 |
/* substract from extended */
|
| 858 |
/* candidate for helper (too long) */
|
| 859 |
PPC_OP(subfe) |
| 860 |
{
|
| 861 |
T0 = T1 + ~T0 + xer_ca; |
| 862 |
if (T0 < T1 || (xer_ca == 1 && T0 == T1)) { |
| 863 |
xer_ca = 1;
|
| 864 |
} else {
|
| 865 |
xer_ca = 0;
|
| 866 |
} |
| 867 |
RETURN(); |
| 868 |
} |
| 869 |
|
| 870 |
PPC_OP(subfeo) |
| 871 |
{
|
| 872 |
T2 = T0; |
| 873 |
T0 = T1 + ~T0 + xer_ca; |
| 874 |
if ((~T2 ^ T1 ^ (-1)) & (~T2 ^ T0) & (1 << 31)) { |
| 875 |
xer_so = 1;
|
| 876 |
xer_ov = 1;
|
| 877 |
} else {
|
| 878 |
xer_ov = 0;
|
| 879 |
} |
| 880 |
if (T0 < T1 || (xer_ca == 1 && T0 == T1)) { |
| 881 |
xer_ca = 1;
|
| 882 |
} else {
|
| 883 |
xer_ca = 0;
|
| 884 |
} |
| 885 |
RETURN(); |
| 886 |
} |
| 887 |
|
| 888 |
/* substract from immediate carrying */
|
| 889 |
PPC_OP(subfic) |
| 890 |
{
|
| 891 |
T0 = PARAM(1) + ~T0 + 1; |
| 892 |
if (T0 <= PARAM(1)) { |
| 893 |
xer_ca = 1;
|
| 894 |
} else {
|
| 895 |
xer_ca = 0;
|
| 896 |
} |
| 897 |
RETURN(); |
| 898 |
} |
| 899 |
|
| 900 |
/* substract from minus one extended */
|
| 901 |
PPC_OP(subfme) |
| 902 |
{
|
| 903 |
T0 = ~T0 + xer_ca - 1;
|
| 904 |
|
| 905 |
if (T0 != -1) |
| 906 |
xer_ca = 1;
|
| 907 |
RETURN(); |
| 908 |
} |
| 909 |
|
| 910 |
PPC_OP(subfmeo) |
| 911 |
{
|
| 912 |
T1 = T0; |
| 913 |
T0 = ~T0 + xer_ca - 1;
|
| 914 |
if (~T1 & (~T1 ^ T0) & (1 << 31)) { |
| 915 |
xer_so = 1;
|
| 916 |
xer_ov = 1;
|
| 917 |
} else {
|
| 918 |
xer_ov = 0;
|
| 919 |
} |
| 920 |
if (T1 != -1) |
| 921 |
xer_ca = 1;
|
| 922 |
RETURN(); |
| 923 |
} |
| 924 |
|
| 925 |
/* substract from zero extended */
|
| 926 |
PPC_OP(subfze) |
| 927 |
{
|
| 928 |
T1 = ~T0; |
| 929 |
T0 = T1 + xer_ca; |
| 930 |
if (T0 < T1) {
|
| 931 |
xer_ca = 1;
|
| 932 |
} else {
|
| 933 |
xer_ca = 0;
|
| 934 |
} |
| 935 |
RETURN(); |
| 936 |
} |
| 937 |
|
| 938 |
PPC_OP(subfzeo) |
| 939 |
{
|
| 940 |
T1 = T0; |
| 941 |
T0 = ~T0 + xer_ca; |
| 942 |
if ((~T1 ^ (-1)) & ((~T1) ^ T0) & (1 << 31)) { |
| 943 |
xer_ov = 1;
|
| 944 |
xer_so = 1;
|
| 945 |
} else {
|
| 946 |
xer_ov = 0;
|
| 947 |
} |
| 948 |
if (T0 < ~T1) {
|
| 949 |
xer_ca = 1;
|
| 950 |
} else {
|
| 951 |
xer_ca = 0;
|
| 952 |
} |
| 953 |
RETURN(); |
| 954 |
} |
| 955 |
|
| 956 |
/*** Integer comparison ***/
|
| 957 |
/* compare */
|
| 958 |
PPC_OP(cmp) |
| 959 |
{
|
| 960 |
if (Ts0 < Ts1) {
|
| 961 |
T0 = 0x08;
|
| 962 |
} else if (Ts0 > Ts1) { |
| 963 |
T0 = 0x04;
|
| 964 |
} else {
|
| 965 |
T0 = 0x02;
|
| 966 |
} |
| 967 |
RETURN(); |
| 968 |
} |
| 969 |
|
| 970 |
/* compare immediate */
|
| 971 |
PPC_OP(cmpi) |
| 972 |
{
|
| 973 |
if (Ts0 < SPARAM(1)) { |
| 974 |
T0 = 0x08;
|
| 975 |
} else if (Ts0 > SPARAM(1)) { |
| 976 |
T0 = 0x04;
|
| 977 |
} else {
|
| 978 |
T0 = 0x02;
|
| 979 |
} |
| 980 |
RETURN(); |
| 981 |
} |
| 982 |
|
| 983 |
/* compare logical */
|
| 984 |
PPC_OP(cmpl) |
| 985 |
{
|
| 986 |
if (T0 < T1) {
|
| 987 |
T0 = 0x08;
|
| 988 |
} else if (T0 > T1) { |
| 989 |
T0 = 0x04;
|
| 990 |
} else {
|
| 991 |
T0 = 0x02;
|
| 992 |
} |
| 993 |
RETURN(); |
| 994 |
} |
| 995 |
|
| 996 |
/* compare logical immediate */
|
| 997 |
PPC_OP(cmpli) |
| 998 |
{
|
| 999 |
if (T0 < PARAM(1)) { |
| 1000 |
T0 = 0x08;
|
| 1001 |
} else if (T0 > PARAM(1)) { |
| 1002 |
T0 = 0x04;
|
| 1003 |
} else {
|
| 1004 |
T0 = 0x02;
|
| 1005 |
} |
| 1006 |
RETURN(); |
| 1007 |
} |
| 1008 |
|
| 1009 |
/*** Integer logical ***/
|
| 1010 |
/* and */
|
| 1011 |
PPC_OP(and) |
| 1012 |
{
|
| 1013 |
T0 &= T1; |
| 1014 |
RETURN(); |
| 1015 |
} |
| 1016 |
|
| 1017 |
/* andc */
|
| 1018 |
PPC_OP(andc) |
| 1019 |
{
|
| 1020 |
T0 &= ~T1; |
| 1021 |
RETURN(); |
| 1022 |
} |
| 1023 |
|
| 1024 |
/* andi. */
|
| 1025 |
PPC_OP(andi_) |
| 1026 |
{
|
| 1027 |
T0 &= PARAM(1);
|
| 1028 |
RETURN(); |
| 1029 |
} |
| 1030 |
|
| 1031 |
/* count leading zero */
|
| 1032 |
PPC_OP(cntlzw) |
| 1033 |
{
|
| 1034 |
T1 = T0; |
| 1035 |
for (T0 = 32; T1 > 0; T0--) |
| 1036 |
T1 = T1 >> 1;
|
| 1037 |
RETURN(); |
| 1038 |
} |
| 1039 |
|
| 1040 |
/* eqv */
|
| 1041 |
PPC_OP(eqv) |
| 1042 |
{
|
| 1043 |
T0 = ~(T0 ^ T1); |
| 1044 |
RETURN(); |
| 1045 |
} |
| 1046 |
|
| 1047 |
/* extend sign byte */
|
| 1048 |
PPC_OP(extsb) |
| 1049 |
{
|
| 1050 |
T0 = (int32_t)((int8_t)(Ts0)); |
| 1051 |
RETURN(); |
| 1052 |
} |
| 1053 |
|
| 1054 |
/* extend sign half word */
|
| 1055 |
PPC_OP(extsh) |
| 1056 |
{
|
| 1057 |
T0 = (int32_t)((int16_t)(Ts0)); |
| 1058 |
RETURN(); |
| 1059 |
} |
| 1060 |
|
| 1061 |
/* nand */
|
| 1062 |
PPC_OP(nand) |
| 1063 |
{
|
| 1064 |
T0 = ~(T0 & T1); |
| 1065 |
RETURN(); |
| 1066 |
} |
| 1067 |
|
| 1068 |
/* nor */
|
| 1069 |
PPC_OP(nor) |
| 1070 |
{
|
| 1071 |
T0 = ~(T0 | T1); |
| 1072 |
RETURN(); |
| 1073 |
} |
| 1074 |
|
| 1075 |
/* or */
|
| 1076 |
PPC_OP(or) |
| 1077 |
{
|
| 1078 |
T0 |= T1; |
| 1079 |
RETURN(); |
| 1080 |
} |
| 1081 |
|
| 1082 |
/* orc */
|
| 1083 |
PPC_OP(orc) |
| 1084 |
{
|
| 1085 |
T0 |= ~T1; |
| 1086 |
RETURN(); |
| 1087 |
} |
| 1088 |
|
| 1089 |
/* ori */
|
| 1090 |
PPC_OP(ori) |
| 1091 |
{
|
| 1092 |
T0 |= PARAM(1);
|
| 1093 |
RETURN(); |
| 1094 |
} |
| 1095 |
|
| 1096 |
/* xor */
|
| 1097 |
PPC_OP(xor) |
| 1098 |
{
|
| 1099 |
T0 ^= T1; |
| 1100 |
RETURN(); |
| 1101 |
} |
| 1102 |
|
| 1103 |
/* xori */
|
| 1104 |
PPC_OP(xori) |
| 1105 |
{
|
| 1106 |
T0 ^= PARAM(1);
|
| 1107 |
RETURN(); |
| 1108 |
} |
| 1109 |
|
| 1110 |
/*** Integer rotate ***/
|
| 1111 |
/* rotate left word immediate then mask insert */
|
| 1112 |
PPC_OP(rlwimi) |
| 1113 |
{
|
| 1114 |
T0 = (rotl(T0, PARAM(1)) & PARAM(2)) | (T1 & PARAM(3)); |
| 1115 |
RETURN(); |
| 1116 |
} |
| 1117 |
|
| 1118 |
/* rotate left immediate then and with mask insert */
|
| 1119 |
PPC_OP(rotlwi) |
| 1120 |
{
|
| 1121 |
T0 = rotl(T0, PARAM(1));
|
| 1122 |
RETURN(); |
| 1123 |
} |
| 1124 |
|
| 1125 |
PPC_OP(slwi) |
| 1126 |
{
|
| 1127 |
T0 = T0 << PARAM(1);
|
| 1128 |
RETURN(); |
| 1129 |
} |
| 1130 |
|
| 1131 |
PPC_OP(srwi) |
| 1132 |
{
|
| 1133 |
T0 = T0 >> PARAM(1);
|
| 1134 |
RETURN(); |
| 1135 |
} |
| 1136 |
|
| 1137 |
/* rotate left word then and with mask insert */
|
| 1138 |
PPC_OP(rlwinm) |
| 1139 |
{
|
| 1140 |
T0 = rotl(T0, PARAM(1)) & PARAM(2); |
| 1141 |
RETURN(); |
| 1142 |
} |
| 1143 |
|
| 1144 |
PPC_OP(rotl) |
| 1145 |
{
|
| 1146 |
T0 = rotl(T0, T1); |
| 1147 |
RETURN(); |
| 1148 |
} |
| 1149 |
|
| 1150 |
PPC_OP(rlwnm) |
| 1151 |
{
|
| 1152 |
T0 = rotl(T0, T1) & PARAM(1);
|
| 1153 |
RETURN(); |
| 1154 |
} |
| 1155 |
|
| 1156 |
/*** Integer shift ***/
|
| 1157 |
/* shift left word */
|
| 1158 |
PPC_OP(slw) |
| 1159 |
{
|
| 1160 |
if (T1 & 0x20) { |
| 1161 |
T0 = 0;
|
| 1162 |
} else {
|
| 1163 |
T0 = T0 << T1; |
| 1164 |
} |
| 1165 |
RETURN(); |
| 1166 |
} |
| 1167 |
|
| 1168 |
/* shift right algebraic word */
|
| 1169 |
PPC_OP(sraw) |
| 1170 |
{
|
| 1171 |
do_sraw(); |
| 1172 |
RETURN(); |
| 1173 |
} |
| 1174 |
|
| 1175 |
/* shift right algebraic word immediate */
|
| 1176 |
PPC_OP(srawi) |
| 1177 |
{
|
| 1178 |
T1 = T0; |
| 1179 |
T0 = (Ts0 >> PARAM(1));
|
| 1180 |
if (Ts1 < 0 && (Ts1 & PARAM(2)) != 0) { |
| 1181 |
xer_ca = 1;
|
| 1182 |
} else {
|
| 1183 |
xer_ca = 0;
|
| 1184 |
} |
| 1185 |
RETURN(); |
| 1186 |
} |
| 1187 |
|
| 1188 |
/* shift right word */
|
| 1189 |
PPC_OP(srw) |
| 1190 |
{
|
| 1191 |
if (T1 & 0x20) { |
| 1192 |
T0 = 0;
|
| 1193 |
} else {
|
| 1194 |
T0 = T0 >> T1; |
| 1195 |
} |
| 1196 |
RETURN(); |
| 1197 |
} |
| 1198 |
|
| 1199 |
/*** Floating-Point arithmetic ***/
|
| 1200 |
/* fadd - fadd. */
|
| 1201 |
PPC_OP(fadd) |
| 1202 |
{
|
| 1203 |
FT0 += FT1; |
| 1204 |
RETURN(); |
| 1205 |
} |
| 1206 |
|
| 1207 |
/* fadds - fadds. */
|
| 1208 |
PPC_OP(fadds) |
| 1209 |
{
|
| 1210 |
FT0 = FTS0 + FTS1; |
| 1211 |
RETURN(); |
| 1212 |
} |
| 1213 |
|
| 1214 |
/* fsub - fsub. */
|
| 1215 |
PPC_OP(fsub) |
| 1216 |
{
|
| 1217 |
FT0 -= FT1; |
| 1218 |
RETURN(); |
| 1219 |
} |
| 1220 |
|
| 1221 |
/* fsubs - fsubs. */
|
| 1222 |
PPC_OP(fsubs) |
| 1223 |
{
|
| 1224 |
FT0 = FTS0 - FTS1; |
| 1225 |
RETURN(); |
| 1226 |
} |
| 1227 |
|
| 1228 |
/* fmul - fmul. */
|
| 1229 |
PPC_OP(fmul) |
| 1230 |
{
|
| 1231 |
FT0 *= FT1; |
| 1232 |
RETURN(); |
| 1233 |
} |
| 1234 |
|
| 1235 |
/* fmuls - fmuls. */
|
| 1236 |
PPC_OP(fmuls) |
| 1237 |
{
|
| 1238 |
FT0 = FTS0 * FTS1; |
| 1239 |
RETURN(); |
| 1240 |
} |
| 1241 |
|
| 1242 |
/* fdiv - fdiv. */
|
| 1243 |
PPC_OP(fdiv) |
| 1244 |
{
|
| 1245 |
FT0 /= FT1; |
| 1246 |
RETURN(); |
| 1247 |
} |
| 1248 |
|
| 1249 |
/* fdivs - fdivs. */
|
| 1250 |
PPC_OP(fdivs) |
| 1251 |
{
|
| 1252 |
FT0 = FTS0 / FTS1; |
| 1253 |
RETURN(); |
| 1254 |
} |
| 1255 |
|
| 1256 |
/* fsqrt - fsqrt. */
|
| 1257 |
PPC_OP(fsqrt) |
| 1258 |
{
|
| 1259 |
do_fsqrt(); |
| 1260 |
RETURN(); |
| 1261 |
} |
| 1262 |
|
| 1263 |
/* fsqrts - fsqrts. */
|
| 1264 |
PPC_OP(fsqrts) |
| 1265 |
{
|
| 1266 |
do_fsqrts(); |
| 1267 |
RETURN(); |
| 1268 |
} |
| 1269 |
|
| 1270 |
/* fres - fres. */
|
| 1271 |
PPC_OP(fres) |
| 1272 |
{
|
| 1273 |
do_fres(); |
| 1274 |
RETURN(); |
| 1275 |
} |
| 1276 |
|
| 1277 |
/* frsqrte - frsqrte. */
|
| 1278 |
PPC_OP(frsqrte) |
| 1279 |
{
|
| 1280 |
do_fsqrte(); |
| 1281 |
RETURN(); |
| 1282 |
} |
| 1283 |
|
| 1284 |
/* fsel - fsel. */
|
| 1285 |
PPC_OP(fsel) |
| 1286 |
{
|
| 1287 |
do_fsel(); |
| 1288 |
RETURN(); |
| 1289 |
} |
| 1290 |
|
| 1291 |
/*** Floating-Point multiply-and-add ***/
|
| 1292 |
/* fmadd - fmadd. */
|
| 1293 |
PPC_OP(fmadd) |
| 1294 |
{
|
| 1295 |
FT0 = (FT0 * FT1) + FT2; |
| 1296 |
RETURN(); |
| 1297 |
} |
| 1298 |
|
| 1299 |
/* fmadds - fmadds. */
|
| 1300 |
PPC_OP(fmadds) |
| 1301 |
{
|
| 1302 |
FT0 = (FTS0 * FTS1) + FTS2; |
| 1303 |
RETURN(); |
| 1304 |
} |
| 1305 |
|
| 1306 |
/* fmsub - fmsub. */
|
| 1307 |
PPC_OP(fmsub) |
| 1308 |
{
|
| 1309 |
FT0 = (FT0 * FT1) - FT2; |
| 1310 |
RETURN(); |
| 1311 |
} |
| 1312 |
|
| 1313 |
/* fmsubs - fmsubs. */
|
| 1314 |
PPC_OP(fmsubs) |
| 1315 |
{
|
| 1316 |
FT0 = (FTS0 * FTS1) - FTS2; |
| 1317 |
RETURN(); |
| 1318 |
} |
| 1319 |
|
| 1320 |
/* fnmadd - fnmadd. - fnmadds - fnmadds. */
|
| 1321 |
PPC_OP(fnmadd) |
| 1322 |
{
|
| 1323 |
do_fnmadd(); |
| 1324 |
RETURN(); |
| 1325 |
} |
| 1326 |
|
| 1327 |
/* fnmadds - fnmadds. */
|
| 1328 |
PPC_OP(fnmadds) |
| 1329 |
{
|
| 1330 |
do_fnmadds(); |
| 1331 |
RETURN(); |
| 1332 |
} |
| 1333 |
|
| 1334 |
/* fnmsub - fnmsub. */
|
| 1335 |
PPC_OP(fnmsub) |
| 1336 |
{
|
| 1337 |
do_fnmsub(); |
| 1338 |
RETURN(); |
| 1339 |
} |
| 1340 |
|
| 1341 |
/* fnmsubs - fnmsubs. */
|
| 1342 |
PPC_OP(fnmsubs) |
| 1343 |
{
|
| 1344 |
do_fnmsubs(); |
| 1345 |
RETURN(); |
| 1346 |
} |
| 1347 |
|
| 1348 |
/*** Floating-Point round & convert ***/
|
| 1349 |
/* frsp - frsp. */
|
| 1350 |
PPC_OP(frsp) |
| 1351 |
{
|
| 1352 |
FT0 = (float)FT0;
|
| 1353 |
RETURN(); |
| 1354 |
} |
| 1355 |
|
| 1356 |
/* fctiw - fctiw. */
|
| 1357 |
PPC_OP(fctiw) |
| 1358 |
{
|
| 1359 |
do_fctiw(); |
| 1360 |
RETURN(); |
| 1361 |
} |
| 1362 |
|
| 1363 |
/* fctiwz - fctiwz. */
|
| 1364 |
PPC_OP(fctiwz) |
| 1365 |
{
|
| 1366 |
do_fctiwz(); |
| 1367 |
RETURN(); |
| 1368 |
} |
| 1369 |
|
| 1370 |
|
| 1371 |
/*** Floating-Point compare ***/
|
| 1372 |
/* fcmpu */
|
| 1373 |
PPC_OP(fcmpu) |
| 1374 |
{
|
| 1375 |
do_fcmpu(); |
| 1376 |
RETURN(); |
| 1377 |
} |
| 1378 |
|
| 1379 |
/* fcmpo */
|
| 1380 |
PPC_OP(fcmpo) |
| 1381 |
{
|
| 1382 |
do_fcmpo(); |
| 1383 |
RETURN(); |
| 1384 |
} |
| 1385 |
|
| 1386 |
/*** Floating-point move ***/
|
| 1387 |
/* fabs */
|
| 1388 |
PPC_OP(fabs) |
| 1389 |
{
|
| 1390 |
do_fabs(); |
| 1391 |
RETURN(); |
| 1392 |
} |
| 1393 |
|
| 1394 |
/* fnabs */
|
| 1395 |
PPC_OP(fnabs) |
| 1396 |
{
|
| 1397 |
do_fnabs(); |
| 1398 |
RETURN(); |
| 1399 |
} |
| 1400 |
|
| 1401 |
/* fneg */
|
| 1402 |
PPC_OP(fneg) |
| 1403 |
{
|
| 1404 |
FT0 = -FT0; |
| 1405 |
RETURN(); |
| 1406 |
} |
| 1407 |
|
| 1408 |
/* Load and store */
|
| 1409 |
#define MEMSUFFIX _raw
|
| 1410 |
#include "op_mem.h" |
| 1411 |
#if !defined(CONFIG_USER_ONLY)
|
| 1412 |
#define MEMSUFFIX _user
|
| 1413 |
#include "op_mem.h" |
| 1414 |
|
| 1415 |
#define MEMSUFFIX _kernel
|
| 1416 |
#include "op_mem.h" |
| 1417 |
#endif
|
| 1418 |
|
| 1419 |
/* Special op to check and maybe clear reservation */
|
| 1420 |
PPC_OP(check_reservation) |
| 1421 |
{
|
| 1422 |
do_check_reservation(); |
| 1423 |
RETURN(); |
| 1424 |
} |
| 1425 |
|
| 1426 |
/* Return from interrupt */
|
| 1427 |
PPC_OP(rfi) |
| 1428 |
{
|
| 1429 |
regs->nip = regs->spr[SRR0] & ~0x00000003;
|
| 1430 |
#if 1 // TRY |
| 1431 |
T0 = regs->spr[SRR1] & ~0xFFF00000;
|
| 1432 |
#else
|
| 1433 |
T0 = regs->spr[SRR1] & ~0xFFFF0000;
|
| 1434 |
#endif
|
| 1435 |
do_store_msr(); |
| 1436 |
#if defined (DEBUG_OP)
|
| 1437 |
dump_rfi(); |
| 1438 |
#endif
|
| 1439 |
// do_tlbia();
|
| 1440 |
do_raise_exception(EXCP_RFI); |
| 1441 |
RETURN(); |
| 1442 |
} |
| 1443 |
|
| 1444 |
/* Trap word */
|
| 1445 |
PPC_OP(tw) |
| 1446 |
{
|
| 1447 |
if ((Ts0 < Ts1 && (PARAM(1) & 0x10)) || |
| 1448 |
(Ts0 > Ts1 && (PARAM(1) & 0x08)) || |
| 1449 |
(Ts0 == Ts1 && (PARAM(1) & 0x04)) || |
| 1450 |
(T0 < T1 && (PARAM(1) & 0x02)) || |
| 1451 |
(T0 > T1 && (PARAM(1) & 0x01))) |
| 1452 |
do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP); |
| 1453 |
RETURN(); |
| 1454 |
} |
| 1455 |
|
| 1456 |
PPC_OP(twi) |
| 1457 |
{
|
| 1458 |
if ((Ts0 < SPARAM(1) && (PARAM(2) & 0x10)) || |
| 1459 |
(Ts0 > SPARAM(1) && (PARAM(2) & 0x08)) || |
| 1460 |
(Ts0 == SPARAM(1) && (PARAM(2) & 0x04)) || |
| 1461 |
(T0 < (uint32_t)SPARAM(1) && (PARAM(2) & 0x02)) || |
| 1462 |
(T0 > (uint32_t)SPARAM(1) && (PARAM(2) & 0x01))) |
| 1463 |
do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP); |
| 1464 |
RETURN(); |
| 1465 |
} |
| 1466 |
|
| 1467 |
/* Instruction cache block invalidate */
|
| 1468 |
PPC_OP(icbi) |
| 1469 |
{
|
| 1470 |
do_icbi(); |
| 1471 |
RETURN(); |
| 1472 |
} |
| 1473 |
|
| 1474 |
/* tlbia */
|
| 1475 |
PPC_OP(tlbia) |
| 1476 |
{
|
| 1477 |
do_tlbia(); |
| 1478 |
RETURN(); |
| 1479 |
} |
| 1480 |
|
| 1481 |
/* tlbie */
|
| 1482 |
PPC_OP(tlbie) |
| 1483 |
{
|
| 1484 |
do_tlbie(); |
| 1485 |
RETURN(); |
| 1486 |
} |