1# 2# This file is part of the program psim. 3# 4# Copyright 1994, 1995, 1996, 1997, 2003, 2004 Andrew Cagney 5# 6# -- 7# 8# The pseudo-code that appears below, translated into C, was copied 9# by Andrew Cagney of Moss Vale, Australia. 10# 11# This pseudo-code is copied by permission from the publication 12# "The PowerPC Architecture: A Specification for A New Family of 13# RISC Processors" (ISBN 1-55860-316-6) copyright 1993, 1994 by 14# International Business Machines Corporation. 15# 16# THIS PERMISSION IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER 17# EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES 18# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 19# 20# -- 21# 22# This program is free software; you can redistribute it and/or modify 23# it under the terms of the GNU General Public License as published by 24# the Free Software Foundation; either version 3 of the License, or 25# (at your option) any later version. 26# 27# This program is distributed in the hope that it will be useful, 28# but WITHOUT ANY WARRANTY; without even the implied warranty of 29# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 30# GNU General Public License for more details. 31# 32# You should have received a copy of the GNU General Public License 33# along with this program; if not, see <http://www.gnu.org/licenses/>. 34# 35 36:cache::::RA:RA: 37:cache:::signed_word *:rA:RA:(cpu_registers(processor)->gpr + RA) 38:cache:::unsigned32:RA_BITMASK:RA:(1 << RA) 39:compute:::int:RA_is_0:RA:(RA == 0) 40:cache::::RT:RT: 41:cache:::signed_word *:rT:RT:(cpu_registers(processor)->gpr + RT) 42:cache:::unsigned32:RT_BITMASK:RT:(1 << RT) 43:cache::::RS:RS: 44:cache:::signed_word *:rS:RS:(cpu_registers(processor)->gpr + RS) 45:cache:::unsigned32:RS_BITMASK:RS:(1 << RS) 46:cache::::RB:RB: 47:cache:::signed_word *:rB:RB:(cpu_registers(processor)->gpr + RB) 48:cache:::unsigned32:RB_BITMASK:RB:(1 << RB) 49:scratch::::FRA:FRA: 50:cache:::unsigned64 *:frA:FRA:(cpu_registers(processor)->fpr + FRA) 51:cache:::unsigned32:FRA_BITMASK:FRA:(1 << FRA) 52:scratch::::FRB:FRB: 53:cache:::unsigned64 *:frB:FRB:(cpu_registers(processor)->fpr + FRB) 54:cache:::unsigned32:FRB_BITMASK:FRB:(1 << FRB) 55:scratch::::FRC:FRC: 56:cache:::unsigned64 *:frC:FRC:(cpu_registers(processor)->fpr + FRC) 57:cache:::unsigned32:FRC_BITMASK:FRC:(1 << FRC) 58:scratch::::FRS:FRS: 59:cache:::unsigned64 *:frS:FRS:(cpu_registers(processor)->fpr + FRS) 60:cache:::unsigned32:FRS_BITMASK:FRS:(1 << FRS) 61:scratch::::FRT:FRT: 62:cache:::unsigned64 *:frT:FRT:(cpu_registers(processor)->fpr + FRT) 63:cache:::unsigned32:FRT_BITMASK:FRT:(1 << FRT) 64:cache:::unsigned_word:EXTS_SI:SI:((signed_word)(signed16)instruction) 65:scratch::::BI:BI: 66:cache::::BIT32_BI:BI:BIT32(BI) 67:cache::::BF:BF: 68:cache:::unsigned32:BF_BITMASK:BF:(1 << BF) 69:scratch::::BA:BA: 70:cache::::BIT32_BA:BA:BIT32(BA) 71:cache:::unsigned32:BA_BITMASK:BA:(1 << BA) 72:scratch::::BB:BB: 73:cache::::BIT32_BB:BB:BIT32(BB) 74:cache:::unsigned32:BB_BITMASK:BB:(1 << BB) 75:cache::::BT:BT: 76:cache:::unsigned32:BT_BITMASK:BT:(1 << BT) 77:cache:::unsigned_word:EXTS_BD_0b00:BD:(((signed_word)(signed16)instruction) & ~3) 78:cache:::unsigned_word:EXTS_LI_0b00:LI:((((signed_word)(signed32)(instruction << 6)) >> 6) & ~0x3) 79:cache:::unsigned_word:EXTS_D:D:((signed_word)(signed16)(instruction)) 80:cache:::unsigned_word:EXTS_DS_0b00:DS:(((signed_word)(signed16)instruction) & ~0x3) 81#:compute:::int:SPR_is_256:SPR:(SPR == 256) 82 83# PowerPC models 84::model:604:ppc604: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 85::model:603e:ppc603e:PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 86::model:603:ppc603: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 87::model:601:ppc601: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 88 89# Flags for model.h 90::model-macro::: 91 #define PPC_INSN_INT(OUT_MASK, IN_MASK, RC) \ 92 do { \ 93 if (CURRENT_MODEL_ISSUE > 0) { \ 94 if (RC) \ 95 ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ 96 else \ 97 ppc_insn_int(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ 98 } \ 99 } while (0) 100 101 #define PPC_INSN_INT_CR(OUT_MASK, IN_MASK, CR_MASK) \ 102 do { \ 103 if (CURRENT_MODEL_ISSUE > 0) \ 104 ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ 105 } while (0) 106 107 #define PPC_INSN_CR(OUT_MASK, IN_MASK) \ 108 do { \ 109 if (CURRENT_MODEL_ISSUE > 0) \ 110 ppc_insn_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ 111 } while (0) 112 113 #define PPC_INSN_FLOAT(OUT_MASK, IN_MASK, RC) \ 114 do { \ 115 if (CURRENT_MODEL_ISSUE > 0) { \ 116 if (RC) \ 117 ppc_insn_float(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ 118 else \ 119 ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ 120 } \ 121 } while (0) 122 123 #define PPC_INSN_FLOAT_CR(OUT_MASK, IN_MASK, CR_MASK) \ 124 do { \ 125 if (CURRENT_MODEL_ISSUE > 0) \ 126 ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ 127 } while (0) 128 129 #define PPC_INSN_INT_FLOAT(OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK) \ 130 do { \ 131 if (CURRENT_MODEL_ISSUE > 0) \ 132 ppc_insn_int_float(MY_INDEX, cpu_model(processor), OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK); \ 133 } while (0) 134 135 #define PPC_INSN_FROM_SPR(INT_MASK, SPR) \ 136 do { \ 137 if (CURRENT_MODEL_ISSUE > 0) \ 138 ppc_insn_from_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \ 139 } while (0) 140 141 #define PPC_INSN_TO_SPR(INT_MASK, SPR) \ 142 do { \ 143 if (CURRENT_MODEL_ISSUE > 0) \ 144 ppc_insn_to_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \ 145 } while (0) 146 147 #define PPC_INSN_MFCR(INT_MASK) \ 148 do { \ 149 if (CURRENT_MODEL_ISSUE > 0) \ 150 ppc_insn_mfcr(MY_INDEX, cpu_model(processor), INT_MASK); \ 151 } while (0) 152 153 #define PPC_INSN_MTCR(INT_MASK, FXM) \ 154 do { \ 155 if (CURRENT_MODEL_ISSUE > 0) \ 156 ppc_insn_mtcr(MY_INDEX, cpu_model(processor), INT_MASK, FXM); \ 157 } while (0) 158 159::model-data::: 160 typedef enum _ppc_function_unit { 161 PPC_UNIT_BAD, /* unknown function unit */ 162 PPC_UNIT_IU, /* integer unit (601/603 style) */ 163 PPC_UNIT_SRU, /* system register unit (601/603 style) */ 164 PPC_UNIT_SCIU1, /* 1st single cycle integer unit (604 style) */ 165 PPC_UNIT_SCIU2, /* 2nd single cycle integer unit (604 style) */ 166 PPC_UNIT_MCIU, /* multiple cycle integer unit (604 style) */ 167 PPC_UNIT_FPU, /* floating point unit */ 168 PPC_UNIT_LSU, /* load/store unit */ 169 PPC_UNIT_BPU, /* branch unit */ 170 nr_ppc_function_units 171 } ppc_function_unit; 172 173 /* Structure to hold timing information on a per instruction basis */ 174 struct _model_time { 175 ppc_function_unit first_unit; /* first functional unit this insn could use */ 176 ppc_function_unit second_unit; /* second functional unit this insn could use */ 177 signed16 issue; /* # cycles before function unit can process other insns */ 178 signed16 done; /* # cycles before insn is done */ 179 unsigned32 flags; /* any flags that are needed */ 180 }; 181 182 /* Register mappings in status masks */ 183 #define PPC_CR_REG 0 /* start of CR0 .. CR7 */ 184 #define PPC_FPSCR_REG (PPC_CR_REG + 8) /* start of fpscr register */ 185 186 #define PPC_NO_SPR (-1) /* flag for no SPR register */ 187 188 /* Return if 1 bit set */ 189 #define PPC_ONE_BIT_SET_P(x) (((x) & ((x)-1)) == 0) 190 191 /* Structure for each functional unit that is busy */ 192 typedef struct _model_busy model_busy; 193 struct _model_busy { 194 model_busy *next; /* next function unit */ 195 ppc_function_unit unit; /* function unit name */ 196 unsigned32 int_busy; /* int registers that are busy */ 197 unsigned32 fp_busy; /* floating point registers that are busy */ 198 unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ 199 signed16 spr_busy; /* SPR register that is busy or PPC_NO_SPR */ 200 unsigned32 vr_busy; /* AltiVec registers that are busy */ 201 signed16 vscr_busy; /* AltiVec status register busy */ 202 signed16 issue; /* # of cycles until unit can accept another insn */ 203 signed16 done; /* # of cycles until insn is done */ 204 signed16 nr_writebacks; /* # of registers this unit writes back */ 205 }; 206 207 /* Structure to hold the current state information for the simulated CPU model */ 208 struct _model_data { 209 cpu *processor; /* point back to processor */ 210 const char *name; /* model name */ 211 const model_time *timing; /* timing information */ 212 model_busy busy_head; /* dummy entry to head list of busy function units */ 213 model_busy *busy_tail; /* tail of list of busy function units */ 214 model_busy *free_list; /* list of model_busy structs not in use */ 215 count_type nr_cycles; /* # cycles */ 216 count_type nr_branches; /* # branches */ 217 count_type nr_branches_fallthrough; /* # conditional branches that fell through */ 218 count_type nr_branch_predict_trues; /* # branches predicted correctly */ 219 count_type nr_branch_predict_falses; /* # branches predicted incorrectly */ 220 count_type nr_branch_conditional[32]; /* # of each type of bc */ 221 count_type nr_mtcrf_crs[9]; /* # of CR's moved in a mtcrf instruction */ 222 count_type nr_stalls_data; /* # of stalls for data */ 223 count_type nr_stalls_unit; /* # of stalls waiting for a function unit */ 224 count_type nr_stalls_serialize; /* # of stalls waiting for things to quiet down */ 225 count_type nr_stalls_writeback; /* # of stalls waiting for a writeback slot */ 226 count_type nr_units[nr_ppc_function_units]; /* function unit counts */ 227 int max_nr_writebacks; /* max # of writeback slots available */ 228 unsigned32 int_busy; /* int registers that are busy */ 229 unsigned32 fp_busy; /* floating point registers that are busy */ 230 unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ 231 unsigned8 spr_busy[nr_of_sprs]; /* SPR registers that are busy */ 232 unsigned32 vr_busy; /* AltiVec registers that are busy */ 233 unsigned8 vscr_busy; /* AltiVec SC register busy */ 234 unsigned8 busy[nr_ppc_function_units]; /* whether a function is busy or not */ 235 }; 236 237 static const char *const ppc_function_unit_name[ (int)nr_ppc_function_units ] = { 238 "unknown functional unit instruction", 239 "integer functional unit instruction", 240 "system register functional unit instruction", 241 "1st single cycle integer functional unit instruction", 242 "2nd single cycle integer functional unit instruction", 243 "multiple cycle integer functional unit instruction", 244 "floating point functional unit instruction", 245 "load/store functional unit instruction", 246 "branch functional unit instruction", 247 }; 248 249 static const char *const ppc_branch_conditional_name[32] = { 250 "branch if --CTR != 0 and condition is FALSE", /* 0000y */ 251 "branch if --CTR != 0 and condition is FALSE, reverse branch likely", 252 "branch if --CTR == 0 and condition is FALSE", /* 0001y */ 253 "branch if --CTR == 0 and condition is FALSE, reverse branch likely", 254 "branch if the condition is FALSE", /* 001zy */ 255 "branch if the condition is FALSE, reverse branch likely", 256 "branch if the condition is FALSE (ignored bit 1 set to 1)", /* 001zy */ 257 "branch if the condition is FALSE, reverse branch likely (ignored bit 4 set to 1)", 258 "branch if --CTR != 0 and condition is TRUE", /* 0100y */ 259 "branch if --CTR != 0 and condition is TRUE, reverse branch likely", 260 "branch if --CTR == 0 and condition is TRUE", /* 0101y */ 261 "branch if --CTR == 0 and condition is TRUE, reverse branch likely", 262 "branch if the condition is TRUE", /* 011zy */ 263 "branch if the condition is TRUE, reverse branch likely", 264 "branch if the condition is TRUE (ignored bit 1 set to 1)", /* 011zy */ 265 "branch if the condition is TRUE, reverse branch likely (ignored bit 4 set to 1)", 266 "branch if --CTR != 0", /* 1z00y */ 267 "branch if --CTR != 0, reverse branch likely", 268 "branch if --CTR == 0", /* 1z01y */ 269 "branch if --CTR == 0, reverse branch likely", 270 "branch always", /* 1z1zz */ 271 "branch always (ignored bit 5 set to 1)", 272 "branch always (ignored bit 4 set to 1)", /* 1z1zz */ 273 "branch always (ignored bits 4,5 set to 1)", 274 "branch if --CTR != 0 (ignored bit 1 set to 1)", /* 1z00y */ 275 "branch if --CTR != 0, reverse branch likely (ignored bit 1 set to 1)", 276 "branch if --CTR == 0 (ignored bit 1 set to 1)", /* 1z01y */ 277 "branch if --CTR == 0, reverse branch likely (ignored bit 1 set to 1)", 278 "branch always (ignored bit 1 set to 1)", /* 1z1zz */ 279 "branch always (ignored bits 1,5 set to 1)", 280 "branch always (ignored bits 1,4 set to 1)", /* 1z1zz */ 281 "branch always (ignored bits 1,4,5 set to 1)", 282 }; 283 284 static const char *const ppc_nr_mtcrf_crs[9] = { 285 "mtcrf moving 0 CRs", 286 "mtcrf moving 1 CR", 287 "mtcrf moving 2 CRs", 288 "mtcrf moving 3 CRs", 289 "mtcrf moving 4 CRs", 290 "mtcrf moving 5 CRs", 291 "mtcrf moving 6 CRs", 292 "mtcrf moving 7 CRs", 293 "mtcrf moving all CRs", 294 }; 295 296# Trace releasing resources 297void::model-static::model_trace_release:model_data *model_ptr, model_busy *busy 298 int i; 299 TRACE(trace_model,("done, %s, %d writeback%s\n", ppc_function_unit_name[busy->unit], 300 busy->nr_writebacks, busy->nr_writebacks == 1 ? "" : "s")); 301 if (busy->int_busy) { 302 for(i = 0; i < 32; i++) { 303 if (((1 << i) & busy->int_busy) != 0) { 304 TRACE(trace_model, ("Register r%d is now available.\n", i)); 305 } 306 } 307 } 308 if (busy->fp_busy) { 309 for(i = 0; i < 32; i++) { 310 if (((1 << i) & busy->fp_busy) != 0) { 311 TRACE(trace_model, ("Register f%d is now available.\n", i)); 312 } 313 } 314 } 315 if (busy->cr_fpscr_busy) { 316 for(i = 0; i < 8; i++) { 317 if (((1 << i) & busy->cr_fpscr_busy) != 0) { 318 TRACE(trace_model, ("Register cr%d is now available.\n", i)); 319 } 320 } 321 if (busy->cr_fpscr_busy & 0x100) 322 TRACE(trace_model, ("Register fpscr is now available.\n")); 323 } 324 if (busy->spr_busy != PPC_NO_SPR) 325 TRACE(trace_model, ("Register %s is now available.\n", spr_name(busy->spr_busy))); 326 if (busy->vr_busy) { 327 for(i = 0; i < 32; i++) { 328 if (((1 << i) & busy->vr_busy) != 0) { 329 TRACE(trace_model, ("Register v%d is now available.\n", i)); 330 } 331 } 332 } 333 if (busy->vscr_busy) 334 TRACE(trace_model, ("VSCR Register is now available.\n", spr_name(busy->spr_busy))); 335 336# Trace making registers busy 337void::model-static::model_trace_make_busy:model_data *model_ptr, unsigned32 int_mask, unsigned32 fp_mask, unsigned32 cr_mask 338 int i; 339 if (int_mask) { 340 for(i = 0; i < 32; i++) { 341 if (((1 << i) & int_mask) != 0) { 342 TRACE(trace_model, ("Register r%d is now busy.\n", i)); 343 } 344 } 345 } 346 if (fp_mask) { 347 for(i = 0; i < 32; i++) { 348 if (((1 << i) & fp_mask) != 0) { 349 TRACE(trace_model, ("Register f%d is now busy.\n", i)); 350 } 351 } 352 } 353 if (cr_mask) { 354 for(i = 0; i < 8; i++) { 355 if (((1 << i) & cr_mask) != 0) { 356 TRACE(trace_model, ("Register cr%d is now busy.\n", i)); 357 } 358 } 359 } 360 361# Trace waiting for registers to become available 362void::model-static::model_trace_busy_p:model_data *model_ptr, unsigned32 int_busy, unsigned32 fp_busy, unsigned32 cr_or_fpscr_busy, int spr_busy 363 int i; 364 if (int_busy) { 365 int_busy &= model_ptr->int_busy; 366 for(i = 0; i < 32; i++) { 367 if (((1 << i) & int_busy) != 0) { 368 TRACE(trace_model, ("Waiting for register r%d.\n", i)); 369 } 370 } 371 } 372 if (fp_busy) { 373 fp_busy &= model_ptr->fp_busy; 374 for(i = 0; i < 32; i++) { 375 if (((1 << i) & fp_busy) != 0) { 376 TRACE(trace_model, ("Waiting for register f%d.\n", i)); 377 } 378 } 379 } 380 if (cr_or_fpscr_busy) { 381 cr_or_fpscr_busy &= model_ptr->cr_fpscr_busy; 382 for(i = 0; i < 8; i++) { 383 if (((1 << i) & cr_or_fpscr_busy) != 0) { 384 TRACE(trace_model, ("Waiting for register cr%d.\n", i)); 385 } 386 } 387 if (cr_or_fpscr_busy & 0x100) 388 TRACE(trace_model, ("Waiting for register fpscr.\n")); 389 } 390 if (spr_busy != PPC_NO_SPR && model_ptr->spr_busy[spr_busy]) 391 TRACE(trace_model, ("Waiting for register %s.\n", spr_name(spr_busy))); 392 393# Advance state to next cycle, releasing any registers allocated 394void::model-internal::model_new_cycle:model_data *model_ptr 395 model_busy *cur_busy = model_ptr->busy_head.next; 396 model_busy *free_list = model_ptr->free_list; 397 model_busy *busy_tail = &model_ptr->busy_head; 398 int nr_writebacks = model_ptr->max_nr_writebacks; 399 model_busy *next; 400 401 model_ptr->nr_cycles++; 402 TRACE(trace_model,("New cycle %lu\n", (unsigned long)model_ptr->nr_cycles)); 403 for ( ; cur_busy; cur_busy = next) { 404 next = cur_busy->next; 405 if (--cur_busy->done <= 0) { /* function unit done, release registers if we have writeback slots */ 406 nr_writebacks -= cur_busy->nr_writebacks; 407 if (nr_writebacks >= 0) { 408 model_ptr->int_busy &= ~cur_busy->int_busy; 409 model_ptr->fp_busy &= ~cur_busy->fp_busy; 410 model_ptr->cr_fpscr_busy &= ~cur_busy->cr_fpscr_busy; 411 if (cur_busy->spr_busy != PPC_NO_SPR) 412 model_ptr->spr_busy[cur_busy->spr_busy] = 0; 413 model_ptr->vr_busy &= ~cur_busy->vr_busy; 414 model_ptr->vscr_busy = ~cur_busy->vscr_busy; 415 416 if (WITH_TRACE && ppc_trace[trace_model]) 417 model_trace_release(model_ptr, cur_busy); 418 419 model_ptr->busy[cur_busy->unit] = 0; 420 cur_busy->next = free_list; 421 free_list = cur_busy; 422 } 423 else { /* writeback slots not available */ 424 TRACE(trace_model,("%d writeback slot%s not available for %s\n", 425 cur_busy->nr_writebacks, 426 cur_busy->nr_writebacks == 1 ? " is" : "s are", 427 ppc_function_unit_name[cur_busy->unit])); 428 cur_busy->done++; /* undo -- above */ 429 model_ptr->nr_stalls_writeback++; 430 busy_tail->next = cur_busy; 431 busy_tail = cur_busy; 432 } 433 } 434 else if (--cur_busy->issue <= 0) { /* function unit pipelined, allow new use */ 435 TRACE(trace_model,("pipeline, %s ready for next client\n", ppc_function_unit_name[cur_busy->unit])); 436 model_ptr->busy[cur_busy->unit] = 0; 437 busy_tail->next = cur_busy; 438 busy_tail = cur_busy; 439 } 440 else { 441 TRACE(trace_model,("%s still working, issue = %d, done = %d\n", 442 ppc_function_unit_name[cur_busy->unit], 443 cur_busy->issue, 444 cur_busy->done)); 445 busy_tail->next = cur_busy; 446 busy_tail = cur_busy; 447 } 448 } 449 450 busy_tail->next = (model_busy *)0; 451 model_ptr->busy_tail = busy_tail; 452 model_ptr->free_list = free_list; 453 454# Mark a function unit as busy, return the busy structure 455model_busy *::model-internal::model_make_busy:model_data *model_ptr, ppc_function_unit unit, int issue, int done 456 model_busy *busy; 457 458 TRACE(trace_model,("unit = %s, issue = %d, done = %d\n", ppc_function_unit_name[unit], issue, done)); 459 460 if (!model_ptr->free_list) { 461 busy = ZALLOC(model_busy); 462 } 463 else { 464 busy = model_ptr->free_list; 465 model_ptr->free_list = busy->next; 466 busy->next = (model_busy *)0; 467 busy->int_busy = 0; 468 busy->fp_busy = 0; 469 busy->cr_fpscr_busy = 0; 470 busy->nr_writebacks = 0; 471 busy->vr_busy = 0; 472 busy->vscr_busy = 0; 473 } 474 475 busy->unit = unit; 476 busy->issue = issue; 477 busy->done = done; 478 busy->spr_busy = PPC_NO_SPR; 479 model_ptr->busy_tail->next = busy; 480 model_ptr->busy_tail = busy; 481 model_ptr->busy[unit] = 1; 482 model_ptr->nr_units[unit]++; 483 return busy; 484 485# Wait until a function unit is non-busy, and then allocate a busy pointer & return the pointer 486model_busy *::model-internal::model_wait_for_unit:itable_index index, model_data *const model_ptr, const model_time *const time_ptr 487 ppc_function_unit first_unit = time_ptr->first_unit; 488 ppc_function_unit second_unit = time_ptr->second_unit; 489 int stall_increment = 0; 490 491 for (;;) { 492 if (!model_ptr->busy[first_unit]) 493 return model_make_busy(model_ptr, first_unit, 494 model_ptr->timing[index].issue, 495 model_ptr->timing[index].done); 496 497 if (!model_ptr->busy[second_unit]) 498 return model_make_busy(model_ptr, second_unit, 499 model_ptr->timing[index].issue, 500 model_ptr->timing[index].done); 501 502 TRACE(trace_model,("all function units are busy for %s\n", itable[index].name)); 503 model_ptr->nr_stalls_unit += stall_increment; /* don't count first stall */ 504 stall_increment = 1; 505 model_new_cycle(model_ptr); 506 } 507 508# Serialize the processor, waiting for all instructions to drain out before adding an instruction. 509void::model-function::model_serialize:itable_index index, model_data *model_ptr 510 while (model_ptr->busy_head.next) { 511 TRACE(trace_model,("waiting for pipeline to empty\n")); 512 model_ptr->nr_stalls_serialize++; 513 model_new_cycle(model_ptr); 514 } 515 (void) model_make_busy(model_ptr, 516 model_ptr->timing[index].first_unit, 517 model_ptr->timing[index].issue, 518 model_ptr->timing[index].done); 519 520# Wait for a CR to become unbusy 521void::model-function::model_wait_for_cr:model_data *model_ptr, unsigned CRBIT 522 unsigned u; 523 unsigned32 cr_mask; 524 int cr_var = 0; 525 for (u = 0xc0000000; (u != 0) && (CRBIT & u) == 0; u >>= 4 ) 526 cr_var++; 527 528 cr_mask = (1 << cr_var); 529 while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { 530 TRACE(trace_model,("waiting for CR %d\n", cr_var)); 531 model_ptr->nr_stalls_data++; 532 model_new_cycle(model_ptr); 533 } 534 535# Schedule an instruction that takes integer input registers and produces output registers 536void::model-function::ppc_insn_int:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask 537 const unsigned32 int_mask = out_mask | in_mask; 538 model_busy *busy_ptr; 539 540 if ((model_ptr->int_busy & int_mask) != 0) { 541 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 542 543 while ((model_ptr->int_busy & int_mask) != 0) { 544 if (WITH_TRACE && ppc_trace[trace_model]) 545 model_trace_busy_p(model_ptr, int_mask, 0, 0, PPC_NO_SPR); 546 547 model_ptr->nr_stalls_data++; 548 model_new_cycle(model_ptr); 549 } 550 } 551 552 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 553 model_ptr->int_busy |= out_mask; 554 busy_ptr->int_busy |= out_mask; 555 if (out_mask) 556 busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; 557 558 if (WITH_TRACE && ppc_trace[trace_model]) 559 model_trace_make_busy(model_ptr, out_mask, 0, 0); 560 561# Schedule an instruction that takes integer input registers and produces output registers & sets a CR register 562void::model-function::ppc_insn_int_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask 563 const unsigned32 int_mask = out_mask | in_mask; 564 model_busy *busy_ptr; 565 566 if ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { 567 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 568 569 while ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { 570 if (WITH_TRACE && ppc_trace[trace_model]) 571 model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); 572 573 model_ptr->nr_stalls_data++; 574 model_new_cycle(model_ptr); 575 } 576 } 577 578 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 579 model_ptr->int_busy |= out_mask; 580 busy_ptr->int_busy |= out_mask; 581 model_ptr->cr_fpscr_busy |= cr_mask; 582 busy_ptr->cr_fpscr_busy |= cr_mask; 583 if (out_mask) 584 busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; 585 586 if (cr_mask) 587 busy_ptr->nr_writebacks++; 588 589 if (WITH_TRACE && ppc_trace[trace_model]) 590 model_trace_make_busy(model_ptr, out_mask, 0, cr_mask); 591 592 593# Schedule an instruction that takes CR input registers and produces output CR registers 594void::model-function::ppc_insn_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask 595 const unsigned32 cr_mask = out_mask | in_mask; 596 model_busy *busy_ptr; 597 598 if ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { 599 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 600 601 while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { 602 if (WITH_TRACE && ppc_trace[trace_model]) 603 model_trace_busy_p(model_ptr, 0, 0, cr_mask, PPC_NO_SPR); 604 605 model_ptr->nr_stalls_data++; 606 model_new_cycle(model_ptr); 607 } 608 } 609 610 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 611 model_ptr->cr_fpscr_busy |= out_mask; 612 busy_ptr->cr_fpscr_busy |= out_mask; 613 if (out_mask) 614 busy_ptr->nr_writebacks = 1; 615 616 if (WITH_TRACE && ppc_trace[trace_model]) 617 model_trace_make_busy(model_ptr, 0, 0, out_mask); 618 619 620# Schedule an instruction that takes floating point input registers and produces an output fp register 621void::model-function::ppc_insn_float:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask 622 const unsigned32 fp_mask = out_mask | in_mask; 623 model_busy *busy_ptr; 624 625 if ((model_ptr->fp_busy & fp_mask) != 0) { 626 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 627 628 while ((model_ptr->fp_busy & fp_mask) != 0) { 629 if (WITH_TRACE && ppc_trace[trace_model]) 630 model_trace_busy_p(model_ptr, 0, fp_mask, 0, PPC_NO_SPR); 631 632 model_ptr->nr_stalls_data++; 633 model_new_cycle(model_ptr); 634 } 635 } 636 637 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 638 model_ptr->fp_busy |= out_mask; 639 busy_ptr->fp_busy |= out_mask; 640 busy_ptr->nr_writebacks = 1; 641 if (WITH_TRACE && ppc_trace[trace_model]) 642 model_trace_make_busy(model_ptr, 0, out_mask, 0); 643 644 645# Schedule an instruction that takes floating point input registers and produces an output fp register & sets a CR reg 646void::model-function::ppc_insn_float_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask 647 const unsigned32 fp_mask = out_mask | in_mask; 648 model_busy *busy_ptr; 649 650 if ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { 651 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 652 653 while ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { 654 if (WITH_TRACE && ppc_trace[trace_model]) 655 model_trace_busy_p(model_ptr, 0, fp_mask, cr_mask, PPC_NO_SPR); 656 657 model_ptr->nr_stalls_data++; 658 model_new_cycle(model_ptr); 659 } 660 } 661 662 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 663 model_ptr->fp_busy |= out_mask; 664 busy_ptr->fp_busy |= out_mask; 665 model_ptr->cr_fpscr_busy |= cr_mask; 666 busy_ptr->cr_fpscr_busy |= cr_mask; 667 busy_ptr->nr_writebacks = (cr_mask) ? 2 : 1; 668 if (WITH_TRACE && ppc_trace[trace_model]) 669 model_trace_make_busy(model_ptr, 0, out_mask, cr_mask); 670 671 672# Schedule an instruction that takes both int/float input registers and produces output int/float registers 673void::model-function::ppc_insn_int_float:itable_index index, model_data *model_ptr, const unsigned32 out_int_mask, const unsigned32 out_fp_mask, const unsigned32 in_int_mask, const unsigned32 in_fp_mask 674 const unsigned32 int_mask = out_int_mask | in_int_mask; 675 const unsigned32 fp_mask = out_fp_mask | in_fp_mask; 676 model_busy *busy_ptr; 677 678 if ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { 679 model_new_cycle(model_ptr); /* don't count first dependency as a stall */ 680 681 while ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { 682 if (WITH_TRACE && ppc_trace[trace_model]) 683 model_trace_busy_p(model_ptr, int_mask, fp_mask, 0, PPC_NO_SPR); 684 685 model_ptr->nr_stalls_data++; 686 model_new_cycle(model_ptr); 687 } 688 689 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 690 model_ptr->int_busy |= out_int_mask; 691 busy_ptr->int_busy |= out_int_mask; 692 model_ptr->fp_busy |= out_fp_mask; 693 busy_ptr->fp_busy |= out_fp_mask; 694 busy_ptr->nr_writebacks = ((out_int_mask) ? 1 : 0) + ((out_fp_mask) ? 1 : 0); 695 if (WITH_TRACE && ppc_trace[trace_model]) 696 model_trace_make_busy(model_ptr, out_int_mask, out_fp_mask, 0); 697 return; 698 } 699 700# Schedule an MFSPR instruction that takes 1 special purpose register and produces an integer output register 701void::model-function::ppc_insn_from_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR 702 model_busy *busy_ptr; 703 704 while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { 705 if (WITH_TRACE && ppc_trace[trace_model]) 706 model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); 707 708 model_ptr->nr_stalls_data++; 709 model_new_cycle(model_ptr); 710 } 711 712 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 713 model_ptr->int_busy |= int_mask; 714 busy_ptr->int_busy |= int_mask; 715 busy_ptr->nr_writebacks = 1; 716 if (WITH_TRACE && ppc_trace[trace_model]) 717 model_trace_make_busy(model_ptr, int_mask, 0, 0); 718 719# Schedule an MTSPR instruction that takes 1 integer register and produces a special purpose output register 720void::model-function::ppc_insn_to_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR 721 model_busy *busy_ptr; 722 723 while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { 724 if (WITH_TRACE && ppc_trace[trace_model]) 725 model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); 726 727 model_ptr->nr_stalls_data++; 728 model_new_cycle(model_ptr); 729 } 730 731 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 732 busy_ptr->spr_busy = nSPR; 733 model_ptr->spr_busy[nSPR] = 1; 734 busy_ptr->nr_writebacks = 1; 735 TRACE(trace_model,("Making register %s busy.\n", spr_name(nSPR))); 736 737# Schedule a MFCR instruction that moves the CR into an integer regsiter 738void::model-function::ppc_insn_mfcr:itable_index index, model_data *model_ptr, unsigned32 int_mask 739 const unsigned32 cr_mask = 0xff; 740 model_busy *busy_ptr; 741 742 while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { 743 if (WITH_TRACE && ppc_trace[trace_model]) 744 model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); 745 746 model_ptr->nr_stalls_data++; 747 model_new_cycle(model_ptr); 748 } 749 750 busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); 751 model_ptr->int_busy |= int_mask; 752 busy_ptr->int_busy |= int_mask; 753 busy_ptr->nr_writebacks = 1; 754 if (WITH_TRACE && ppc_trace[trace_model]) 755 model_trace_make_busy(model_ptr, int_mask, 0, 0); 756 757# Schedule a MTCR instruction that moves an integer register into the CR 758void::model-function::ppc_insn_mtcr:itable_index index, model_data *model_ptr, unsigned32 int_mask, unsigned FXM 759 int f; 760 int nr_crs = 0; 761 unsigned32 cr_mask = 0; 762 const model_time *normal_time = &model_ptr->timing[index]; 763 static const model_time ppc604_1bit_time = { PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 }; 764 model_busy *busy_ptr; 765 766 for (f = 0; f < 8; f++) { 767 if (FXM & (0x80 >> f)) { 768 cr_mask |= (1 << f); 769 nr_crs++; 770 } 771 } 772 773 while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { 774 if (WITH_TRACE && ppc_trace[trace_model]) 775 model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); 776 777 model_ptr->nr_stalls_data++; 778 model_new_cycle(model_ptr); 779 } 780 781 /* If only one CR is being moved, use the SCIU, not the MCIU on the 604 */ 782 if (CURRENT_MODEL == MODEL_ppc604 && nr_crs == 1) { 783 normal_time = &ppc604_1bit_time; 784 } 785 786 busy_ptr = model_wait_for_unit(index, model_ptr, normal_time); 787 busy_ptr->cr_fpscr_busy |= cr_mask; 788 model_ptr->cr_fpscr_busy |= cr_mask; 789 model_ptr->nr_mtcrf_crs[nr_crs]++; 790 busy_ptr->nr_writebacks = 1; 791 if (WITH_TRACE && ppc_trace[trace_model]) 792 model_trace_make_busy(model_ptr, 0, 0, cr_mask); 793 794model_data *::model-function::model_create:cpu *processor 795 model_data *model_ptr = ZALLOC(model_data); 796 model_ptr->name = model_name[CURRENT_MODEL]; 797 model_ptr->timing = model_time_mapping[CURRENT_MODEL]; 798 model_ptr->processor = processor; 799 model_ptr->nr_cycles = 1; 800 model_ptr->busy_tail = &model_ptr->busy_head; 801 switch (CURRENT_MODEL) { 802 case MODEL_ppc601: model_ptr->max_nr_writebacks = 1; break; /* ??? */ 803 case MODEL_ppc603: model_ptr->max_nr_writebacks = 2; break; 804 case MODEL_ppc603e: model_ptr->max_nr_writebacks = 2; break; 805 case MODEL_ppc604: model_ptr->max_nr_writebacks = 2; break; 806 default: error ("Unknown model %d\n", CURRENT_MODEL); 807 } 808 return model_ptr; 809 810void::model-function::model_init:model_data *model_ptr 811 812void::model-function::model_halt:model_data *model_ptr 813 /* Let pipeline drain */ 814 while (model_ptr->busy_head.next) 815 model_new_cycle(model_ptr); 816 817unsigned_word::model-function::model_get_number_of_stalls:model_data *model_ptr 818 return (model_ptr->nr_stalls_data 819 + model_ptr->nr_stalls_unit 820 + model_ptr->nr_stalls_serialize 821 + model_ptr->nr_stalls_writeback); 822 823unsigned_word::model-function::model_get_number_of_cycles:model_data *model_ptr 824 return (model_ptr->nr_cycles); 825 826model_print *::model-function::model_mon_info:model_data *model_ptr 827 model_print *head; 828 model_print *tail; 829 ppc_function_unit i; 830 count_type nr_insns; 831 int j; 832 833 head = tail = ZALLOC(model_print); 834 tail->count = model_ptr->nr_cycles; 835 tail->name = "cycle"; 836 tail->suffix_plural = "s"; 837 tail->suffix_singular = ""; 838 839 if (model_ptr->nr_stalls_data) { 840 tail->next = ZALLOC(model_print); 841 tail = tail->next; 842 tail->count = model_ptr->nr_stalls_data; 843 tail->name = "stall"; 844 tail->suffix_plural = "s waiting for data"; 845 tail->suffix_singular = " waiting for data"; 846 } 847 848 if (model_ptr->nr_stalls_unit) { 849 tail->next = ZALLOC(model_print); 850 tail = tail->next; 851 tail->count = model_ptr->nr_stalls_unit; 852 tail->name = "stall"; 853 tail->suffix_plural = "s waiting for a function unit"; 854 tail->suffix_singular = " waiting for a function unit"; 855 } 856 857 if (model_ptr->nr_stalls_serialize) { 858 tail->next = ZALLOC(model_print); 859 tail = tail->next; 860 tail->count = model_ptr->nr_stalls_serialize; 861 tail->name = "stall"; 862 tail->suffix_plural = "s waiting for serialization"; 863 tail->suffix_singular = " waiting for serialization"; 864 } 865 866 if (model_ptr->nr_stalls_writeback) { 867 tail->next = ZALLOC(model_print); 868 tail = tail->next; 869 tail->count = model_ptr->nr_stalls_writeback; 870 tail->name = ""; 871 tail->suffix_plural = "times a write-back slot was unavailable"; 872 tail->suffix_singular = "time a writeback was unavailable"; 873 } 874 875 if (model_ptr->nr_branches) { 876 tail->next = ZALLOC(model_print); 877 tail = tail->next; 878 tail->count = model_ptr->nr_branches; 879 tail->name = "branch"; 880 tail->suffix_plural = "es"; 881 tail->suffix_singular = ""; 882 } 883 884 if (model_ptr->nr_branches_fallthrough) { 885 tail->next = ZALLOC(model_print); 886 tail = tail->next; 887 tail->count = model_ptr->nr_branches_fallthrough; 888 tail->name = "conditional branch"; 889 tail->suffix_plural = "es fell through"; 890 tail->suffix_singular = " fell through"; 891 } 892 893 if (model_ptr->nr_branch_predict_trues) { 894 tail->next = ZALLOC(model_print); 895 tail = tail->next; 896 tail->count = model_ptr->nr_branch_predict_trues; 897 tail->name = "successful branch prediction"; 898 tail->suffix_plural = "s"; 899 tail->suffix_singular = ""; 900 } 901 902 if (model_ptr->nr_branch_predict_falses) { 903 tail->next = ZALLOC(model_print); 904 tail = tail->next; 905 tail->count = model_ptr->nr_branch_predict_falses; 906 tail->name = "unsuccessful branch prediction"; 907 tail->suffix_plural = "s"; 908 tail->suffix_singular = ""; 909 } 910 911 for (j = 0; j < (sizeof(ppc_branch_conditional_name) / sizeof(ppc_branch_conditional_name[0])) ; j++) { 912 if (model_ptr->nr_branch_conditional[j]) { 913 tail->next = ZALLOC(model_print); 914 tail = tail->next; 915 tail->count = model_ptr->nr_branch_conditional[j]; 916 tail->name = ppc_branch_conditional_name[j]; 917 tail->suffix_plural = " conditional branches"; 918 tail->suffix_singular = " conditional branch"; 919 } 920 } 921 922 for (j = 0; j < 9; j++) { 923 if (model_ptr->nr_mtcrf_crs[j]) { 924 tail->next = ZALLOC(model_print); 925 tail = tail->next; 926 tail->count = model_ptr->nr_mtcrf_crs[j]; 927 tail->name = ppc_nr_mtcrf_crs[j]; 928 tail->suffix_plural = " instructions"; 929 tail->suffix_singular = " instruction"; 930 } 931 } 932 933 nr_insns = 0; 934 for (i = PPC_UNIT_BAD; i < nr_ppc_function_units; i++) { 935 if (model_ptr->nr_units[i]) { 936 nr_insns += model_ptr->nr_units[i]; 937 tail->next = ZALLOC(model_print); 938 tail = tail->next; 939 tail->count = model_ptr->nr_units[i]; 940 tail->name = ppc_function_unit_name[i]; 941 tail->suffix_plural = "s"; 942 tail->suffix_singular = ""; 943 } 944 } 945 946 tail->next = ZALLOC(model_print); 947 tail = tail->next; 948 tail->count = nr_insns; 949 tail->name = "instruction"; 950 tail->suffix_plural = "s that were accounted for in timing info"; 951 tail->suffix_singular = " that was accounted for in timing info"; 952 953 tail->next = (model_print *)0; 954 return head; 955 956void::model-function::model_mon_info_free:model_data *model_ptr, model_print *ptr 957 while (ptr) { 958 model_print *next = ptr->next; 959 free((void *)ptr); 960 ptr = next; 961 } 962 963void::model-function::model_branches:model_data *model_ptr, int failed, int conditional 964 model_ptr->nr_units[PPC_UNIT_BPU]++; 965 if (failed) 966 model_ptr->nr_branches_fallthrough++; 967 else 968 model_ptr->nr_branches++; 969 if (conditional >= 0) 970 model_ptr->nr_branch_conditional[conditional]++; 971 model_new_cycle(model_ptr); /* A branch always ends the current cycle */ 972 973void::model-function::model_branch_predict:model_data *model_ptr, int success 974 if (success) 975 model_ptr->nr_branch_predict_trues++; 976 else 977 model_ptr->nr_branch_predict_falses++; 978 979 980# The following (illegal) instruction is `known' by gen and is 981# called when ever an illegal instruction is encountered 982::internal::illegal 983 program_interrupt(processor, cia, 984 illegal_instruction_program_interrupt); 985 986 987# The following (floating point unavailable) instruction is `known' by gen 988# and is called when ever an a floating point instruction is to be 989# executed but floating point is make unavailable by the MSR 990::internal::floating_point_unavailable 991 floating_point_unavailable_interrupt(processor, cia); 992 993 994# 995# Floating point support functions 996# 997 998# Convert 32bit single to 64bit double 999unsigned64::function::DOUBLE:unsigned32 WORD 1000 unsigned64 FRT; 1001 if (EXTRACTED32(WORD, 1, 8) > 0 1002 && EXTRACTED32(WORD, 1, 8) < 255) { 1003 /* normalized operand */ 1004 int not_word_1_1 = !EXTRACTED32(WORD, 1, 1); /*2.6.3 bug*/ 1005 FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) 1006 | INSERTED64(not_word_1_1, 2, 2) 1007 | INSERTED64(not_word_1_1, 3, 3) 1008 | INSERTED64(not_word_1_1, 4, 4) 1009 | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); 1010 } 1011 else if (EXTRACTED32(WORD, 1, 8) == 0 1012 && EXTRACTED32(WORD, 9, 31) != 0) { 1013 /* denormalized operand */ 1014 int sign = EXTRACTED32(WORD, 0, 0); 1015 int exp = -126; 1016 unsigned64 frac = INSERTED64(EXTRACTED32(WORD, 9, 31), 1, (52 - 29)); 1017 /* normalize the operand */ 1018 while (MASKED64(frac, 0, 0) == 0) { 1019 frac <<= 1; 1020 exp -= 1; 1021 } 1022 FRT = (INSERTED64(sign, 0, 0) 1023 | INSERTED64(exp + 1023, 1, 11) 1024 | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); 1025 } 1026 else if (EXTRACTED32(WORD, 1, 8) == 255 1027 || EXTRACTED32(WORD, 1, 31) == 0) { 1028 FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) 1029 | INSERTED64(EXTRACTED32(WORD, 1, 1), 2, 2) 1030 | INSERTED64(EXTRACTED32(WORD, 1, 1), 3, 3) 1031 | INSERTED64(EXTRACTED32(WORD, 1, 1), 4, 4) 1032 | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); 1033 } 1034 else { 1035 error("DOUBLE - unknown case\n"); 1036 FRT = 0; 1037 } 1038 return FRT; 1039 1040# Convert 64bit single to 32bit double 1041unsigned32::function::SINGLE:unsigned64 FRS 1042 unsigned32 WORD; 1043 if (EXTRACTED64(FRS, 1, 11) > 896 1044 || EXTRACTED64(FRS, 1, 63) == 0) { 1045 /* no denormalization required (includes Zero/Infinity/NaN) */ 1046 WORD = (INSERTED32(EXTRACTED64(FRS, 0, 1), 0, 1) 1047 | INSERTED32(EXTRACTED64(FRS, 5, 34), 2, 31)); 1048 } 1049 else if (874 <= EXTRACTED64(FRS, 1, 11) 1050 && EXTRACTED64(FRS, 1, 11) <= 896) { 1051 /* denormalization required */ 1052 int sign = EXTRACTED64(FRS, 0, 0); 1053 int exp = EXTRACTED64(FRS, 1, 11) - 1023; 1054 unsigned64 frac = (BIT64(0) 1055 | INSERTED64(EXTRACTED64(FRS, 12, 63), 1, 52)); 1056 /* denormalize the operand */ 1057 while (exp < -126) { 1058 frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); 1059 exp += 1; 1060 } 1061 WORD = (INSERTED32(sign, 0, 0) 1062 | INSERTED32(0x00, 1, 8) 1063 | INSERTED32(EXTRACTED64(frac, 1, 23), 9, 31)); 1064 } 1065 else { 1066 WORD = 0x0; /* ??? */ 1067 } 1068 return WORD; 1069 1070 1071# round 64bit double to 64bit but single 1072void::function::Round_Single:cpu *processor, int sign, int *exp, unsigned64 *frac_grx 1073 /* comparisons ignore u bits */ 1074 unsigned64 out; 1075 int inc = 0; 1076 int lsb = EXTRACTED64(*frac_grx, 23, 23); 1077 int gbit = EXTRACTED64(*frac_grx, 24, 24); 1078 int rbit = EXTRACTED64(*frac_grx, 25, 25); 1079 int xbit = EXTRACTED64(*frac_grx, 26, 55) != 0; 1080 if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { 1081 if (lsb == 1 && gbit == 1) inc = 1; 1082 if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; 1083 if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; 1084 } 1085 if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { 1086 if (sign == 0 && gbit == 1) inc = 1; 1087 if (sign == 0 && rbit == 1) inc = 1; 1088 if (sign == 0 && xbit == 1) inc = 1; 1089 } 1090 if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { 1091 if (sign == 1 && gbit == 1) inc = 1; 1092 if (sign == 1 && rbit == 1) inc = 1; 1093 if (sign == 1 && xbit == 1) inc = 1; 1094 } 1095 /* work out addition in low 25 bits of out */ 1096 out = EXTRACTED64(*frac_grx, 0, 23) + inc; 1097 *frac_grx = INSERTED64(out, 0, 23); 1098 if (out & BIT64(64 - 23 - 1 - 1)) { 1099 *frac_grx = (BIT64(0) | 1100 INSERTED64(EXTRACTED64(*frac_grx, 0, 22), 1, 23)); 1101 *exp = *exp + 1; 1102 } 1103 /* frac_grx[24:52] = 0 already */ 1104 FPSCR_SET_FR(inc); 1105 FPSCR_SET_FI(gbit || rbit || xbit); 1106 1107 1108# 1109void::function::Round_Integer:cpu *processor, int sign, unsigned64 *frac, int *frac64, int gbit, int rbit, int xbit, fpscreg round_mode 1110 int inc = 0; 1111 if (round_mode == fpscr_rn_round_to_nearest) { 1112 if (*frac64 == 1 && gbit == 1) inc = 1; 1113 if (*frac64 == 0 && gbit == 1 && rbit == 1) inc = 1; 1114 if (*frac64 == 0 && gbit == 1 && xbit == 1) inc = 1; 1115 } 1116 if (round_mode == fpscr_rn_round_towards_pos_infinity) { 1117 if (sign == 0 && gbit == 1) inc = 1; 1118 if (sign == 0 && rbit == 1) inc = 1; 1119 if (sign == 0 && xbit == 1) inc = 1; 1120 } 1121 if (round_mode == fpscr_rn_round_towards_neg_infinity) { 1122 if (sign == 1 && gbit == 1) inc = 1; 1123 if (sign == 1 && rbit == 1) inc = 1; 1124 if (sign == 1 && xbit == 1) inc = 1; 1125 } 1126 /* frac[0:64] = frac[0:64} + inc */ 1127 *frac += (*frac64 && inc ? 1 : 0); 1128 *frac64 = (*frac64 + inc) & 0x1; 1129 FPSCR_SET_FR(inc); 1130 FPSCR_SET_FI(gbit | rbit | xbit); 1131 1132 1133void::function::Round_Float:cpu *processor, int sign, int *exp, unsigned64 *frac, fpscreg round_mode 1134 int carry_out; 1135 int inc = 0; 1136 int lsb = EXTRACTED64(*frac, 52, 52); 1137 int gbit = EXTRACTED64(*frac, 53, 53); 1138 int rbit = EXTRACTED64(*frac, 54, 54); 1139 int xbit = EXTRACTED64(*frac, 55, 55); 1140 if (round_mode == fpscr_rn_round_to_nearest) { 1141 if (lsb == 1 && gbit == 1) inc = 1; 1142 if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; 1143 if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; 1144 } 1145 if (round_mode == fpscr_rn_round_towards_pos_infinity) { 1146 if (sign == 0 && gbit == 1) inc = 1; 1147 if (sign == 0 && rbit == 1) inc = 1; 1148 if (sign == 0 && xbit == 1) inc = 1; 1149 } 1150 if (round_mode == fpscr_rn_round_towards_neg_infinity) { 1151 if (sign == 1 && gbit == 1) inc = 1; 1152 if (sign == 1 && rbit == 1) inc = 1; 1153 if (sign == 1 && xbit == 1) inc = 1; 1154 } 1155 /* frac//carry_out = frac + inc */ 1156 *frac = (*frac >> 1) + (INSERTED64(inc, 52, 52) >> 1); 1157 carry_out = EXTRACTED64(*frac, 0, 0); 1158 *frac <<= 1; 1159 if (carry_out == 1) *exp = *exp + 1; 1160 FPSCR_SET_FR(inc); 1161 FPSCR_SET_FI(gbit | rbit | xbit); 1162 FPSCR_SET_XX(FPSCR & fpscr_fi); 1163 1164 1165# conversion of FP to integer 1166void::function::convert_to_integer:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 frb, fpscreg round_mode, int tgt_precision 1167 int i; 1168 int exp = 0; 1169 unsigned64 frac = 0; 1170 int frac64 = 0; 1171 int gbit = 0; 1172 int rbit = 0; 1173 int xbit = 0; 1174 int sign = EXTRACTED64(frb, 0, 0); 1175 /***/ 1176 if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 63) == 0) 1177 GOTO(Infinity_Operand); 1178 if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 0) 1179 GOTO(SNaN_Operand); 1180 if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 1) 1181 GOTO(QNaN_Operand); 1182 if (EXTRACTED64(frb, 1, 11) > 1086) GOTO(Large_Operand); 1183 if (EXTRACTED64(frb, 1, 11) > 0) exp = EXTRACTED64(frb, 1, 11) - 1023; 1184 if (EXTRACTED64(frb, 1, 11) == 0) exp = -1022; 1185 if (EXTRACTED64(frb, 1, 11) > 0) { /* normal */ 1186 frac = BIT64(1) | INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); 1187 frac64 = 0; 1188 } 1189 if (EXTRACTED64(frb, 1, 11) == 0) { /* denorm */ 1190 frac = INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); 1191 frac64 = 0; 1192 } 1193 gbit = 0, rbit = 0, xbit = 0; 1194 for (i = 1; i <= 63 - exp; i++) { 1195 xbit = rbit | xbit; 1196 rbit = gbit; 1197 gbit = frac64; 1198 frac64 = EXTRACTED64(frac, 63, 63); 1199 frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); 1200 } 1201 Round_Integer(processor, sign, &frac, &frac64, gbit, rbit, xbit, round_mode); 1202 if (sign == 1) { /* frac[0:64] = ~frac[0:64] + 1 */ 1203 frac = ~frac; 1204 frac64 ^= 1; 1205 frac += (frac64 ? 1 : 0); 1206 frac64 = (frac64 + 1) & 0x1; 1207 } 1208 if (tgt_precision == 32 /* can ignore frac64 in compare */ 1209 && (signed64)frac > (signed64)MASK64(33+1, 63)/*2^31-1 >>1*/) 1210 GOTO(Large_Operand); 1211 if (tgt_precision == 64 /* can ignore frac64 in compare */ 1212 && (signed64)frac > (signed64)MASK64(1+1, 63)/*2^63-1 >>1*/) 1213 GOTO(Large_Operand); 1214 if (tgt_precision == 32 /* can ignore frac64 in compare */ 1215 && (signed64)frac < (signed64)MASK64(0, 32+1)/*-2^31 >>1*/) 1216 GOTO(Large_Operand); 1217 if (tgt_precision == 64 /* can ignore frac64 in compare */ 1218 && (signed64)frac < (signed64)MASK64(0, 0+1)/*-2^63 >>1*/) 1219 GOTO(Large_Operand); 1220 FPSCR_SET_XX(FPSCR & fpscr_fi); 1221 if (tgt_precision == 32) 1222 *frt = MASKED64(*frt, 0, 31) | (EXTRACTED64(frac, 33, 63) << 1) | frac64; 1223 if (tgt_precision == 64) 1224 *frt = (EXTRACTED64(frac, 1, 63) << 1) | frac64; 1225 /*FPSCR[fprf] = undefined */ 1226 GOTO(Done); 1227 /**/ 1228 LABEL(Infinity_Operand): 1229 FPSCR_SET_FR(0); 1230 FPSCR_SET_FI(0); 1231 FPSCR_OR_VX(fpscr_vxcvi); 1232 if ((FPSCR & fpscr_ve) == 0) { 1233 if (tgt_precision == 32) { 1234 if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7FFFFFFF; 1235 if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; 1236 } 1237 else { 1238 if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ 1239 if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ 1240 } 1241 /* FPSCR[FPRF] = undefined */ 1242 } 1243 GOTO(Done); 1244 /**/ 1245 LABEL(SNaN_Operand): 1246 FPSCR_SET_FR(0); 1247 FPSCR_SET_FI(0); 1248 FPSCR_OR_VX(fpscr_vxsnan | fpscr_vxcvi); 1249 if ((FPSCR & fpscr_ve) == 0) { 1250 if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; 1251 if (tgt_precision == 64) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ 1252 /* FPSCR[fprf] = undefined */ 1253 } 1254 GOTO(Done); 1255 /**/ 1256 LABEL(QNaN_Operand): 1257 FPSCR_SET_FR(0); 1258 FPSCR_SET_FI(0); 1259 FPSCR_OR_VX(fpscr_vxcvi); 1260 if ((FPSCR & fpscr_ve) == 0) { 1261 if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; 1262 if (tgt_precision == 64) *frt = BIT64(0);/*0x8000_0000_0000_0000*/ 1263 /* FPSCR[fprf] = undefined */ 1264 } 1265 GOTO(Done); 1266 /**/ 1267 LABEL(Large_Operand): 1268 FPSCR_SET_FR(0); 1269 FPSCR_SET_FI(0); 1270 FPSCR_OR_VX(fpscr_vxcvi); 1271 if ((FPSCR & fpscr_ve) == 0) { 1272 if (tgt_precision == 32) { 1273 if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7fffffff; 1274 if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; 1275 } 1276 else { 1277 if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ 1278 if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ 1279 } 1280 /* FPSCR[fprf] = undefined */ 1281 } 1282 /**/ 1283 LABEL(Done):; 1284 1285 1286# extract out raw fields of a FP number 1287int::function::sign:unsigned64 FRS 1288 return (MASKED64(FRS, 0, 0) 1289 ? -1 1290 : 1); 1291int::function::biased_exp:unsigned64 frs, int single 1292 if (single) 1293 return EXTRACTED64(frs, 1, 8); 1294 else 1295 return EXTRACTED64(frs, 1, 11); 1296unsigned64::function::fraction:unsigned64 frs, int single 1297 if (single) 1298 return EXTRACTED64(frs, 9, 31); 1299 else 1300 return EXTRACTED64(frs, 12, 63); 1301 1302# a number?, each of the below return +1 or -1 (based on sign bit) 1303# if true. 1304int::function::is_nor:unsigned64 frs, int single 1305 int exp = biased_exp(frs, single); 1306 return (exp >= 1 1307 && exp <= (single ? 254 : 2046)); 1308int::function::is_zero:unsigned64 FRS 1309 return (MASKED64(FRS, 1, 63) == 0 1310 ? sign(FRS) 1311 : 0); 1312int::function::is_den:unsigned64 frs, int single 1313 int exp = biased_exp(frs, single); 1314 unsigned64 frac = fraction(frs, single); 1315 return (exp == 0 && frac != 0 1316 ? sign(frs) 1317 : 0); 1318int::function::is_inf:unsigned64 frs, int single 1319 int exp = biased_exp(frs, single); 1320 unsigned64 frac = fraction(frs, single); 1321 return (exp == (single ? 255 : 2047) && frac == 0 1322 ? sign(frs) 1323 : 0); 1324int::function::is_NaN:unsigned64 frs, int single 1325 int exp = biased_exp(frs, single); 1326 unsigned64 frac = fraction(frs, single); 1327 return (exp == (single ? 255 : 2047) && frac != 0 1328 ? sign(frs) 1329 : 0); 1330int::function::is_SNaN:unsigned64 frs, int single 1331 return (is_NaN(frs, single) 1332 && !(frs & (single ? MASK64(9, 9) : MASK64(12, 12))) 1333 ? sign(frs) 1334 : 0); 1335int::function::is_QNaN:unsigned64 frs, int single 1336 return (is_NaN(frs, single) && !is_SNaN(frs, single)); 1337int::function::is_less_than:unsigned64 *fra, unsigned64 *frb 1338 return *(double*)fra < *(double*)frb; 1339int::function::is_greater_than:unsigned64 *fra, unsigned64 *frb 1340 return *(double*)fra > *(double*)frb; 1341int::function::is_equan_to:unsigned64 *fra, unsigned64 *frb 1342 return *(double*)fra == *(double*)frb; 1343 1344 1345# which quiet nan should become the result 1346unsigned64::function::select_qnan:unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int generate_qnan, int single 1347 unsigned64 frt = 0; 1348 if (is_NaN(fra, single)) 1349 frt = fra; 1350 else if (is_NaN(frb, single)) 1351 if (instruction_is_frsp) 1352 frt = MASKED64(frb, 0, 34); 1353 else 1354 frt = frb; 1355 else if (is_NaN(frc, single)) 1356 frt = frc; 1357 else if (generate_qnan) 1358 frt = MASK64(1, 12); /* 0x7FF8_0000_0000_0000 */ 1359 else 1360 error("select_qnan - default reached\n"); 1361 return frt; 1362 1363 1364# detect invalid operation 1365int::function::is_invalid_operation:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, fpscreg check, int single, int negate 1366 int fail = 0; 1367 if ((check & fpscr_vxsnan) 1368 && (is_SNaN(fra, single) || is_SNaN(frb, single))) { 1369 FPSCR_OR_VX(fpscr_vxsnan); 1370 fail = 1; 1371 } 1372 if ((check & fpscr_vxisi) 1373 && (is_inf(fra, single) && is_inf(frb, single)) 1374 && ((negate && sign(fra) != sign(frb)) 1375 || (!negate && sign(fra) == sign(frb)))) { 1376 /*FIXME: don't handle inf-inf VS inf+-inf */ 1377 FPSCR_OR_VX(fpscr_vxisi); 1378 fail = 1; 1379 } 1380 if ((check & fpscr_vxidi) 1381 && (is_inf(fra, single) && is_inf(frb, single))) { 1382 FPSCR_OR_VX(fpscr_vxidi); 1383 fail = 1; 1384 } 1385 if ((check & fpscr_vxzdz) 1386 && (is_zero(fra) && is_zero(frb))) { 1387 FPSCR_OR_VX(fpscr_vxzdz); 1388 fail = 1; 1389 } 1390 if ((check & fpscr_vximz) 1391 && (is_zero(fra) && is_inf(frb, single))) { 1392 FPSCR_OR_VX(fpscr_vximz); 1393 fail = 1; 1394 } 1395 if ((check & fpscr_vxvc) 1396 && (is_NaN(fra, single) || is_NaN(frb, single))) { 1397 FPSCR_OR_VX(fpscr_vxvc); 1398 fail = 1; 1399 } 1400 if ((check & fpscr_vxsoft)) { 1401 FPSCR_OR_VX(fpscr_vxsoft); 1402 fail = 1; 1403 } 1404 if ((check & fpscr_vxsqrt) 1405 && sign(fra) < 0) { 1406 FPSCR_OR_VX(fpscr_vxsqrt); 1407 fail = 1; 1408 } 1409 /* if ((check && fpscr_vxcvi) { 1410 && (is_inf(fra, single) || is_NaN(fra, single) || is_large(fra, single))) 1411 FPSCR_OR_VX(fpscr_vxcvi); 1412 fail = 1; 1413 } 1414 */ 1415 return fail; 1416 1417 1418 1419 1420 1421# handle case of invalid operation 1422void::function::invalid_arithemetic_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int instruction_is_convert_to_64bit, int instruction_is_convert_to_32bit, int single 1423 if (FPSCR & fpscr_ve) { 1424 /* invalid operation exception enabled */ 1425 /* FRT unchaged */ 1426 FPSCR_SET_FR(0); 1427 FPSCR_SET_FI(0); 1428 /* fpscr_FPRF unchanged */ 1429 } 1430 else { 1431 /* invalid operation exception disabled */ 1432 if (instruction_is_convert_to_64bit) { 1433 error("oopsi"); 1434 } 1435 else if (instruction_is_convert_to_32bit) { 1436 error("oopsi"); 1437 } 1438 else { /* arrith, frsp */ 1439 *frt = select_qnan(fra, frb, frc, 1440 instruction_is_frsp, 1/*generate*/, single); 1441 FPSCR_SET_FR(0); 1442 FPSCR_SET_FI(0); 1443 FPSCR_SET_FPRF(fpscr_rf_quiet_nan); 1444 } 1445 } 1446 1447 1448 1449 1450# detect divide by zero 1451int::function::is_invalid_zero_divide:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, int single 1452 int fail = 0; 1453 if (is_zero (frb)) { 1454 FPSCR_SET_ZX (1); 1455 fail = 1; 1456 } 1457 return fail; 1458 1459 1460 1461 1462# handle case of invalid operation 1463void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, int single 1464 if (FPSCR & fpscr_ze) { 1465 /* zero-divide exception enabled */ 1466 /* FRT unchaged */ 1467 FPSCR_SET_FR(0); 1468 FPSCR_SET_FI(0); 1469 /* fpscr_FPRF unchanged */ 1470 } 1471 else { 1472 /* zero-divide exception disabled */ 1473 FPSCR_SET_FR(0); 1474 FPSCR_SET_FI(0); 1475 if ((sign (fra) < 0 && sign (frb) < 0) 1476 || (sign (fra) > 0 && sign (frb) > 0)) { 1477 *frt = MASK64 (1, 11); /* 0 : 2047 : 0..0 */ 1478 FPSCR_SET_FPRF(fpscr_rf_pos_infinity); 1479 } 1480 else { 1481 *frt = MASK64 (0, 11); /* 1 : 2047 : 0..0 */ 1482 FPSCR_SET_FPRF(fpscr_rf_neg_infinity); 1483 } 1484 } 1485 1486 1487 1488 1489 1490# 1491# 0.0.0.0 Illegal instruction used for kernel mode emulation 1492# 14930.0,6./,11./,16./,21./,31.1:X:::instruction_call 1494 if (!os_emul_instruction_call(processor, cia, real_addr(cia, 1))) 1495 program_interrupt(processor, cia, 1496 illegal_instruction_program_interrupt); 1497 1498# 1499# I.2.4.1 Branch Instructions 1500# 15010.18,6.LI,30.AA,31.LK:I:::Branch 1502*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1503*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1504*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1505*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1506 /* option_mpc860c0: 1507 No problem here because this branch is predicted taken (unconditional). */ 1508 if (AA) NIA = IEA(EXTS(LI_0b00)); 1509 else NIA = IEA(CIA + EXTS(LI_0b00)); 1510 if (LK) LR = (spreg)CIA+4; 1511 if (CURRENT_MODEL_ISSUE > 0) 1512 model_branches(cpu_model(processor), 1, -1); 1513 15140.16,6.BO,11.BI,16.BD,30.AA,31.LK:B:::Branch Conditional 1515*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1516*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1517*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1518*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1519 int M, ctr_ok, cond_ok, succeed; 1520 if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) 1521 model_wait_for_cr(cpu_model(processor), BIT32_BI); 1522 if (is_64bit_implementation && is_64bit_mode) M = 0; 1523 else M = 32; 1524 if (!BO{2}) CTR = CTR - 1; 1525 ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != (BO{3})); 1526 cond_ok = BO{0} || ((CR{BI}) == (BO{1})); 1527 if (ctr_ok && cond_ok) { 1528 if (AA) NIA = IEA(EXTS(BD_0b00)); 1529 else NIA = IEA(CIA + EXTS(BD_0b00)); 1530 succeed = 1; 1531 } 1532 else 1533 succeed = 0; 1534 if (LK) LR = (spreg)IEA(CIA + 4); 1535 if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { 1536 /* This branch is predicted as "normal". 1537 If this is a forward branch and it is near the end of a page, 1538 we've detected a problematic branch. */ 1539 if (succeed && NIA > CIA) { 1540 if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) 1541 program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); 1542 } 1543 } 1544 if (CURRENT_MODEL_ISSUE > 0) 1545 model_branches(cpu_model(processor), succeed, BO); 1546 if (! BO{0}) { 1547 int reverse; 1548 if (BO{4}) { /* branch prediction bit set, reverse sense of test */ 1549 reverse = EXTS(BD_0b00) < 0; 1550 } else { /* branch prediction bit not set */ 1551 reverse = EXTS(BD_0b00) >= 0; 1552 } 1553 if (CURRENT_MODEL_ISSUE > 0) 1554 model_branch_predict(cpu_model(processor), reverse ? !succeed : succeed); 1555 } 1556 15570.19,6.BO,11.BI,16./,21.16,31.LK:XL:::Branch Conditional to Link Register 1558*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1559*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1560*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1561*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1562 int M, ctr_ok, cond_ok, succeed; 1563 if (is_64bit_implementation && is_64bit_mode) M = 0; 1564 else M = 32; 1565 if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) 1566 model_wait_for_cr(cpu_model(processor), BIT32_BI); 1567 if (!BO{2}) CTR = CTR - 1; 1568 ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != BO{3}); 1569 cond_ok = BO{0} || (CR{BI} == BO{1}); 1570 if (ctr_ok && cond_ok) { 1571 NIA = IEA(LR_0b00); 1572 succeed = 1; 1573 } 1574 else 1575 succeed = 0; 1576 if (LK) LR = (spreg)IEA(CIA + 4); 1577 if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { 1578 /* This branch is predicted as not-taken. 1579 If this is a forward branch and it is near the end of a page, 1580 we've detected a problematic branch. */ 1581 if (succeed && NIA > CIA) { 1582 if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) 1583 program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); 1584 } 1585 } 1586 if (CURRENT_MODEL_ISSUE > 0) { 1587 model_branches(cpu_model(processor), succeed, BO); 1588 if (! BO{0}) 1589 model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); 1590 } 1591 15920.19,6.BO,11.BI,16./,21.528,31.LK:XL:::Branch Conditional to Count Register 1593*601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1594*603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1595*603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1596*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1597 int cond_ok, succeed; 1598 if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) 1599 model_wait_for_cr(cpu_model(processor), BIT32_BI); 1600 cond_ok = BO{0} || (CR{BI} == BO{1}); 1601 if (cond_ok) { 1602 NIA = IEA(CTR_0b00); 1603 succeed = 1; 1604 } 1605 else 1606 succeed = 0; 1607 if (LK) LR = (spreg)IEA(CIA + 4); 1608 if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { 1609 /* This branch is predicted as not-taken. 1610 If this is a forward branch and it is near the end of a page, 1611 we've detected a problematic branch. */ 1612 if (succeed && NIA > CIA) { 1613 if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) 1614 program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); 1615 } 1616 } 1617 if (CURRENT_MODEL_ISSUE > 0) { 1618 model_branches(cpu_model(processor), succeed, BO); 1619 if (! BO{0}) 1620 model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); 1621 } 1622 1623# 1624# I.2.4.2 System Call Instruction 1625# 16260.17,6./,11./,16./,30.1,31./:SC:::System Call 1627*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1628*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 1629*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 1630*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 1631 if (CURRENT_MODEL_ISSUE > 0) 1632 model_serialize(MY_INDEX, cpu_model(processor)); 1633 system_call_interrupt(processor, cia); 1634 1635# 1636# I.2.4.3 Condition Register Logical Instructions 1637# 16380.19,6.BT,11.BA,16.BB,21.257,31./:XL::crand:Condition Register AND 1639*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1640*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1641*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1642*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1643 BLIT32(CR, BT, CR{BA} && CR{BB}); 1644 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1645 16460.19,6.BT,11.BA,16.BB,21.449,31./:XL::cror:Condition Register OR 1647*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1648*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1649*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1650*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1651 BLIT32(CR, BT, CR{BA} || CR{BB}); 1652 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1653 16540.19,6.BT,11.BA,16.BB,21.193,31./:XL::crxor:Condition Register XOR 1655*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1656*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1657*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1658*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1659 BLIT32(CR, BT, CR{BA} != CR{BB}); 1660 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1661 16620.19,6.BT,11.BA,16.BB,21.225,31./:XL::crnand:Condition Register NAND 1663*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1664*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1665*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1666*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1667 BLIT32(CR, BT, !(CR{BA} && CR{BB})); 1668 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1669 16700.19,6.BT,11.BA,16.BB,21.33,31./:XL::crnor:Condition Register NOR 1671*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1672*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1673*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1674*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1675 BLIT32(CR, BT, !(CR{BA} || CR{BB})); 1676 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1677 16780.19,6.BT,11.BA,16.BB,21.289,31./:XL::creqv:Condition Register Equivalent 1679*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1680*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1681*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1682*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1683 BLIT32(CR, BT, CR{BA} == CR{BB}); 1684 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1685 16860.19,6.BT,11.BA,16.BB,21.129,31./:XL::crandc:Condition Register AND with Complement 1687*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1688*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1689*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1690*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1691 BLIT32(CR, BT, CR{BA} && !CR{BB}); 1692 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1693 16940.19,6.BT,11.BA,16.BB,21.417,31./:XL::crorc:Condition Register OR with Complement 1695*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1696*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1697*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1698*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1699 BLIT32(CR, BT, CR{BA} || !CR{BB}); 1700 PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); 1701 1702# 1703# I.2.4.4 Condition Register Field Instruction 1704# 17050.19,6.BF,9./,11.BFA,14./,16./,21.0,31./:XL:::Move Condition Register Field 1706*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 1707*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1708*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 1709*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 1710 MBLIT32(CR, 4*BF, 4*BF+3, EXTRACTED32(CR, 4*BFA, 4*BFA+3)); 1711 PPC_INSN_CR(BF_BITMASK, 1 << BFA); 1712 1713 1714# 1715# I.3.3.2 Fixed-Point Load Instructions 1716# 1717 17180.34,6.RT,11.RA,16.D:D:::Load Byte and Zero 1719*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1720*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1721*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1722*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1723 unsigned_word b; 1724 unsigned_word EA; 1725 if (RA_is_0) b = 0; 1726 else b = *rA; 1727 EA = b + EXTS(D); 1728 *rT = MEM(unsigned, EA, 1); 1729 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 1730 1731 17320.31,6.RT,11.RA,16.RB,21.87,31./:X:::Load Byte and Zero Indexed 1733*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1734*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1735*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1736*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1737 unsigned_word b; 1738 unsigned_word EA; 1739 if (RA_is_0) b = 0; 1740 else b = *rA; 1741 EA = b + *rB; 1742 *rT = MEM(unsigned, EA, 1); 1743 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 1744 17450.35,6.RT,11.RA,16.D:D:::Load Byte and Zero with Update 1746*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1747*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1748*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1749*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1750 unsigned_word EA; 1751 if (RA_is_0 || RA == RT) 1752 program_interrupt(processor, cia, 1753 illegal_instruction_program_interrupt); 1754 EA = *rA + EXTS(D); 1755 *rT = MEM(unsigned, EA, 1); 1756 *rA = EA; 1757 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); 1758 17590.31,6.RT,11.RA,16.RB,21.119,31./:X:::Load Byte and Zero with Update Indexed 1760*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1761*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1762*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1763*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1764 unsigned_word EA; 1765 if (RA_is_0 || RA == RT) 1766 program_interrupt(processor, cia, 1767 illegal_instruction_program_interrupt); 1768 EA = *rA + *rB; 1769 *rT = MEM(unsigned, EA, 1); 1770 *rA = EA; 1771 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); 1772 17730.40,6.RT,11.RA,16.D:D:::Load Halfword and Zero 1774*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1775*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1776*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1777*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1778 unsigned_word b; 1779 unsigned_word EA; 1780 if (RA_is_0) b = 0; 1781 else b = *rA; 1782 EA = b + EXTS(D); 1783 *rT = MEM(unsigned, EA, 2); 1784 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 1785 17860.31,6.RT,11.RA,16.RB,21.279,31./:X:::Load Halfword and Zero Indexed 1787*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1788*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1789*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1790*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1791 unsigned_word b; 1792 unsigned_word EA; 1793 if (RA_is_0) b = 0; 1794 else b = *rA; 1795 EA = b + *rB; 1796 *rT = MEM(unsigned, EA, 2); 1797 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 1798 17990.41,6.RT,11.RA,16.D:D:::Load Halfword and Zero with Update 1800*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1801*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1802*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1803*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1804 unsigned_word EA; 1805 if (RA_is_0 || RA == RT) 1806 program_interrupt(processor, cia, 1807 illegal_instruction_program_interrupt); 1808 EA = *rA + EXTS(D); 1809 *rT = MEM(unsigned, EA, 2); 1810 *rA = EA; 1811 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); 1812 18130.31,6.RT,11.RA,16.RB,21.311,31./:X:::Load Halfword and Zero with Update Indexed 1814*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1815*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1816*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1817*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1818 unsigned_word EA; 1819 if (RA_is_0 || RA == RT) 1820 program_interrupt(processor, cia, 1821 illegal_instruction_program_interrupt); 1822 EA = *rA + *rB; 1823 *rT = MEM(unsigned, EA, 2); 1824 *rA = EA; 1825 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); 1826 18270.42,6.RT,11.RA,16.D:D:::Load Halfword Algebraic 1828*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1829*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1830*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1831*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1832 unsigned_word b; 1833 unsigned_word EA; 1834 if (RA_is_0) b = 0; 1835 else b = *rA; 1836 EA = b + EXTS(D); 1837 *rT = MEM(signed, EA, 2); 1838 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 1839 18400.31,6.RT,11.RA,16.RB,21.343,31./:X:::Load Halfword Algebraic Indexed 1841*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1842*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1843*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1844*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1845 unsigned_word b; 1846 unsigned_word EA; 1847 if (RA_is_0) b = 0; 1848 else b = *rA; 1849 EA = b + *rB; 1850 *rT = MEM(signed, EA, 2); 1851 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 1852 18530.43,6.RT,11.RA,16.D:D:::Load Halfword Algebraic with Update 1854*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1855*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1856*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1857*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1858 unsigned_word EA; 1859 if (RA_is_0 || RA == RT) 1860 program_interrupt(processor, cia, 1861 illegal_instruction_program_interrupt); 1862 EA = *rA + EXTS(D); 1863 *rT = MEM(signed, EA, 2); 1864 *rA = EA; 1865 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); 1866 18670.31,6.RT,11.RA,16.RB,21.375,31./:X:::Load Halfword Algebraic with Update Indexed 1868*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1869*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1870*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1871*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1872 unsigned_word EA; 1873 if (RA_is_0 || RA == RT) 1874 program_interrupt(processor, cia, 1875 illegal_instruction_program_interrupt); 1876 EA = *rA + *rB; 1877 *rT = MEM(signed, EA, 2); 1878 *rA = EA; 1879 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); 1880 18810.32,6.RT,11.RA,16.D:D:::Load Word and Zero 1882*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1883*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1884*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1885*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1886 unsigned_word b; 1887 unsigned_word EA; 1888 if (RA_is_0) b = 0; 1889 else b = *rA; 1890 EA = b + EXTS(D); 1891 *rT = MEM(unsigned, EA, 4); 1892 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 1893 18940.31,6.RT,11.RA,16.RB,21.23,31./:X:::Load Word and Zero Indexed 1895*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1896*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1897*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1898*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1899 unsigned_word b; 1900 unsigned_word EA; 1901 if (RA_is_0) b = 0; 1902 else b = *rA; 1903 EA = b + *rB; 1904 *rT = MEM(unsigned, EA, 4); 1905 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 1906 19070.33,6.RT,11.RA,16.D:D:::Load Word and Zero with Update 1908*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1909*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1910*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1911*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1912 unsigned_word EA; 1913 if (RA_is_0 || RA == RT) 1914 program_interrupt(processor, cia, 1915 illegal_instruction_program_interrupt); 1916 EA = *rA + EXTS(D); 1917 *rT = MEM(unsigned, EA, 4); 1918 *rA = EA; 1919 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); 1920 19210.31,6.RT,11.RA,16.RB,21.55,31./:X:::Load Word and Zero with Update Indexed 1922*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 1923*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1924*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1925*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 1926 unsigned_word EA; 1927 if (RA_is_0 || RA == RT) 1928 program_interrupt(processor, cia, 1929 illegal_instruction_program_interrupt); 1930 EA = *rA + *rB; 1931 *rT = MEM(unsigned, EA, 4); 1932 *rA = EA; 1933 PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); 1934 19350.58,6.RT,11.RA,16.DS,30.2:DS:64::Load Word Algebraic 1936# unsigned_word b; 1937# unsigned_word EA; 1938# if (RA_is_0) b = 0; 1939# else b = *rA; 1940# EA = b + EXTS(DS_0b00); 1941# *rT = MEM(signed, EA, 4); 1942 19430.31,6.RT,11.RA,16.RB,21.341,31./:X:64::Load Word Algebraic Indexed 1944# unsigned_word b; 1945# unsigned_word EA; 1946# if (RA_is_0) b = 0; 1947# else b = *rA; 1948# EA = b + *rB;; 1949# *rT = MEM(signed, EA, 4); 1950 19510.31,6.RT,11.RA,16.RB,21.373,31./:X:64::Load Word Algebraic with Update Indexed 1952# unsigned_word EA; 1953# if (RA_is_0 || RA == RT) 1954# program_interrupt(processor, cia 1955# illegal_instruction_program_interrupt); 1956# EA = *rA + *rB; 1957# *rT = MEM(signed, EA, 4); 1958# *rA = EA; 1959 19600.58,6.RT,11.RA,16.DS,30.0:DS:64::Load Doubleword 1961# unsigned_word b; 1962# unsigned_word EA; 1963# if (RA_is_0) b = 0; 1964# else b = *rA; 1965# EA = b + EXTS(DS_0b00); 1966# *rT = MEM(unsigned, EA, 8); 1967 19680.31,6.RT,11.RA,16.RB,21.21,31./:X:64::Load Doubleword Indexed 1969# unsigned_word b; 1970# unsigned_word EA; 1971# if (RA_is_0) b = 0; 1972# else b = *rA; 1973# EA = b + *rB; 1974# *rT = MEM(unsigned, EA, 8); 1975 19760.58,6.RT,11.RA,16.DS,30.1:DS:64::Load Doubleword with Update 1977# unsigned_word EA; 1978# if (RA_is_0 || RA == RT) 1979# program_interrupt(processor, cia 1980# illegal_instruction_program_interrupt); 1981# EA = *rA + EXTS(DS_0b00); 1982# *rT = MEM(unsigned, EA, 8); 1983# *rA = EA; 1984 19850.31,6.RT,11.RA,16.RB,21.53,31./:DS:64::Load Doubleword with Update Indexed 1986# unsigned_word EA; 1987# if (RA_is_0 || RA == RT) 1988# program_interrupt(processor, cia 1989# illegal_instruction_program_interrupt); 1990# EA = *rA + *rB; 1991# *rT = MEM(unsigned, EA, 8); 1992# *rA = EA; 1993 1994 1995 1996# 1997# I.3.3.3 Fixed-Point Store Instructions 1998# 1999 20000.38,6.RS,11.RA,16.D:D:::Store Byte 2001*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2002*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2003*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2004*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2005 unsigned_word b; 2006 unsigned_word EA; 2007 if (RA_is_0) b = 0; 2008 else b = *rA; 2009 EA = b + EXTS(D); 2010 STORE(EA, 1, *rS); 2011 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); 2012 20130.31,6.RS,11.RA,16.RB,21.215,31./:X:::Store Byte Indexed 2014*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2015*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2016*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2017*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2018 unsigned_word b; 2019 unsigned_word EA; 2020 if (RA_is_0) b = 0; 2021 else b = *rA; 2022 EA = b + *rB; 2023 STORE(EA, 1, *rS); 2024 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); 2025 20260.39,6.RS,11.RA,16.D:D:::Store Byte with Update 2027*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2028*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2029*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2030*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2031 unsigned_word EA; 2032 if (RA_is_0) 2033 program_interrupt(processor, cia, 2034 illegal_instruction_program_interrupt); 2035 EA = *rA + EXTS(D); 2036 STORE(EA, 1, *rS); 2037 *rA = EA; 2038 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); 2039 20400.31,6.RS,11.RA,16.RB,21.247,31./:X:::Store Byte with Update Indexed 2041*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2042*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2043*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2044*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2045 unsigned_word EA; 2046 if (RA_is_0) 2047 program_interrupt(processor, cia, 2048 illegal_instruction_program_interrupt); 2049 EA = *rA + *rB; 2050 STORE(EA, 1, *rS); 2051 *rA = EA; 2052 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); 2053 20540.44,6.RS,11.RA,16.D:D:::Store Half Word 2055*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2056*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2057*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2058*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2059 unsigned_word b; 2060 unsigned_word EA; 2061 if (RA_is_0) b = 0; 2062 else b = *rA; 2063 EA = b + EXTS(D); 2064 STORE(EA, 2, *rS); 2065 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); 2066 20670.31,6.RS,11.RA,16.RB,21.407,31./:X:::Store Half Word Indexed 2068*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2069*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2070*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2071*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2072 unsigned_word b; 2073 unsigned_word EA; 2074 if (RA_is_0) b = 0; 2075 else b = *rA; 2076 EA = b + *rB; 2077 STORE(EA, 2, *rS); 2078 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); 2079 20800.45,6.RS,11.RA,16.D:D:::Store Half Word with Update 2081*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2082*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2083*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2084*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2085 unsigned_word EA; 2086 if (RA_is_0) 2087 program_interrupt(processor, cia, 2088 illegal_instruction_program_interrupt); 2089 EA = *rA + EXTS(D); 2090 STORE(EA, 2, *rS); 2091 *rA = EA; 2092 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); 2093 20940.31,6.RS,11.RA,16.RB,21.439,31./:X:::Store Half Word with Update Indexed 2095*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2096*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2097*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2098*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2099 unsigned_word EA; 2100 if (RA_is_0) 2101 program_interrupt(processor, cia, 2102 illegal_instruction_program_interrupt); 2103 EA = *rA + *rB; 2104 STORE(EA, 2, *rS); 2105 *rA = EA; 2106 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); 2107 21080.36,6.RS,11.RA,16.D:D:::Store Word 2109*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2110*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2111*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2112*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2113 unsigned_word b; 2114 unsigned_word EA; 2115 if (RA_is_0) b = 0; 2116 else b = *rA; 2117 EA = b + EXTS(D); 2118 STORE(EA, 4, *rS); 2119 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); 2120 21210.31,6.RS,11.RA,16.RB,21.151,31./:X:::Store Word Indexed 2122*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2123*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2124*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2125*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2126 unsigned_word b; 2127 unsigned_word EA; 2128 if (RA_is_0) b = 0; 2129 else b = *rA; 2130 EA = b + *rB; 2131 STORE(EA, 4, *rS); 2132 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); 2133 21340.37,6.RS,11.RA,16.D:D:::Store Word with Update 2135*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2136*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2137*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2138*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2139 unsigned_word EA; 2140 if (RA_is_0) 2141 program_interrupt(processor, cia, 2142 illegal_instruction_program_interrupt); 2143 EA = *rA + EXTS(D); 2144 STORE(EA, 4, *rS); 2145 *rA = EA; 2146 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); 2147 21480.31,6.RS,11.RA,16.RB,21.183,31./:X:::Store Word with Update Indexed 2149*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2150*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2151*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2152*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2153 unsigned_word EA; 2154 if (RA_is_0) 2155 program_interrupt(processor, cia, 2156 illegal_instruction_program_interrupt); 2157 EA = *rA + *rB; 2158 STORE(EA, 4, *rS); 2159 *rA = EA; 2160 PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); 2161 21620.62,6.RS,11.RA,16.DS,30.0:DS:64::Store Doubleword 2163# unsigned_word b; 2164# unsigned_word EA; 2165# if (RA_is_0) b = 0; 2166# else b = *rA; 2167# EA = b + EXTS(DS_0b00); 2168# STORE(EA, 8, *rS); 21690.31,6.RS,11.RA,16.RB,21.149,31./:X:64::Store Doubleword Indexed 2170# unsigned_word b; 2171# unsigned_word EA; 2172# if (RA_is_0) b = 0; 2173# else b = *rA; 2174# EA = b + *rB; 2175# STORE(EA, 8, *rS); 21760.62,6.RS,11.RA,16.DS,30.1:DS:64::Store Doubleword with Update 2177# unsigned_word EA; 2178# if (RA_is_0) 2179# program_interrupt(processor, cia 2180# illegal_instruction_program_interrupt); 2181# EA = *rA + EXTS(DS_0b00); 2182# STORE(EA, 8, *rS); 2183# *rA = EA; 21840.31,6.RS,11.RA,16.RB,21.181,31./:X:64::Store Doubleword with Update Indexed 2185# unsigned_word EA; 2186# if (RA_is_0) 2187# program_interrupt(processor, cia 2188# illegal_instruction_program_interrupt); 2189# EA = *rA + *rB; 2190# STORE(EA, 8, *rS); 2191# *rA = EA; 2192 2193 2194# 2195# I.3.3.4 Fixed-Point Load and Store with Byte Reversal Instructions 2196# 2197 21980.31,6.RT,11.RA,16.RB,21.790,31./:X:::Load Halfword Byte-Reverse Indexed 2199*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2200*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2201*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2202*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2203 unsigned_word b; 2204 unsigned_word EA; 2205 if (RA_is_0) b = 0; 2206 else b = *rA; 2207 EA = b + *rB; 2208 *rT = SWAP_2(MEM(unsigned, EA, 2)); 2209 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 2210 22110.31,6.RT,11.RA,16.RB,21.534,31./:X:::Load Word Byte-Reverse Indexed 2212*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2213*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2214*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2215*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2216 unsigned_word b; 2217 unsigned_word EA; 2218 if (RA_is_0) b = 0; 2219 else b = *rA; 2220 EA = b + *rB; 2221 *rT = SWAP_4(MEM(unsigned, EA, 4)); 2222 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 2223 22240.31,6.RS,11.RA,16.RB,21.918,31./:X:::Store Half Word Byte-Reversed Indexed 2225*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2226*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2227*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2228*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2229 unsigned_word b; 2230 unsigned_word EA; 2231 if (RA_is_0) b = 0; 2232 else b = *rA; 2233 EA = b + *rB; 2234 STORE(EA, 2, SWAP_2(*rS)); 2235 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); 2236 22370.31,6.RS,11.RA,16.RB,21.662,31./:X:::Store Word Byte-Reversed Indexed 2238*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2239*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2240*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 2241*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2242 unsigned_word b; 2243 unsigned_word EA; 2244 if (RA_is_0) b = 0; 2245 else b = *rA; 2246 EA = b + *rB; 2247 STORE(EA, 4, SWAP_4(*rS)); 2248 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); 2249 2250 2251# 2252# I.3.3.5 Fixed-Point Load and Store Multiple Instrctions 2253# 2254 22550.46,6.RT,11.RA,16.D:D:::Load Multiple Word 2256 unsigned_word EA; 2257 unsigned_word b; 2258 int r; 2259 if (RA_is_0) b = 0; 2260 else b = *rA; 2261 EA = b + EXTS(D); 2262 r = RT; 2263 if (RA >= r) 2264 program_interrupt(processor, cia, 2265 illegal_instruction_program_interrupt); 2266 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT || (EA % 4 != 0)) 2267 alignment_interrupt(processor, cia, EA); 2268 while (r <= 31) { 2269 GPR(r) = MEM(unsigned, EA, 4); 2270 r = r + 1; 2271 EA = EA + 4; 2272 } 2273 22740.47,6.RS,11.RA,16.D:D:::Store Multiple Word 2275 unsigned_word EA; 2276 unsigned_word b; 2277 int r; 2278 if (RA_is_0) b = 0; 2279 else b = *rA; 2280 EA = b + EXTS(D); 2281 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT 2282 || (EA % 4 != 0)) 2283 alignment_interrupt(processor, cia, EA); 2284 r = RS; 2285 while (r <= 31) { 2286 STORE(EA, 4, GPR(r)); 2287 r = r + 1; 2288 EA = EA + 4; 2289 } 2290 2291 2292# 2293# I.3.3.6 Fixed-Point Move Assist Instructions 2294# 2295 22960.31,6.RT,11.RA,16.NB,21.597,31./:X:::Load String Word Immediate 2297 unsigned_word EA; 2298 int n; 2299 int r; 2300 int i; 2301 int nr; 2302 if (RA_is_0) EA = 0; 2303 else EA = *rA; 2304 if (NB == 0) n = 32; 2305 else n = NB; 2306 r = RT - 1; 2307 i = 32; 2308 nr = (n + 3) / 4; 2309 if ((RT + nr >= 32) 2310 ? (RA >= RT || RA < (RT + nr) % 32) 2311 : (RA >= RT && RA < RT + nr)) 2312 program_interrupt(processor, cia, 2313 illegal_instruction_program_interrupt); 2314 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) 2315 alignment_interrupt(processor, cia, EA); 2316 while (n > 0) { 2317 if (i == 32) { 2318 r = (r + 1) % 32; 2319 GPR(r) = 0; 2320 } 2321 GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7); 2322 i = i + 8; 2323 if (i == 64) i = 32; 2324 EA = EA + 1; 2325 n = n - 1; 2326 } 2327 23280.31,6.RT,11.RA,16.RB,21.533,31./:X:::Load String Word Indexed 2329 unsigned_word EA; 2330 unsigned_word b; 2331 int n; 2332 int r; 2333 int i; 2334 int nr; 2335 if (RA_is_0) b = 0; 2336 else b = *rA; 2337 EA = b + *rB; 2338 n = EXTRACTED32(XER, 25, 31); 2339 r = RT - 1; 2340 i = 32; 2341 nr = (n + 3) / 4; 2342 if (((RT + nr >= 32) 2343 ? ((RA >= RT || RA < (RT + nr) % 32) 2344 || (RB >= RT || RB < (RT + nr) % 32)) 2345 : ((RA >= RT && RA < RT + nr) 2346 || (RB >= RT && RB < RT + nr))) 2347 || (RT == RA || RT == RB)) 2348 program_interrupt(processor, cia, 2349 illegal_instruction_program_interrupt); 2350 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) 2351 alignment_interrupt(processor, cia, EA); 2352 while (n > 0) { 2353 if (i == 32) { 2354 r = (r + 1) % 32; 2355 GPR(r) = 0; 2356 } 2357 GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7); 2358 i = i + 8; 2359 if (i == 64) i = 32; 2360 EA = EA + 1; 2361 n = n - 1; 2362 } 2363 23640.31,6.RS,11.RA,16.NB,21.725,31./:X:::Store String Word Immedate 2365 unsigned_word EA; 2366 int n; 2367 int r; 2368 int i; 2369 if (RA_is_0) EA = 0; 2370 else EA = *rA; 2371 if (NB == 0) n = 32; 2372 else n = NB; 2373 r = RS - 1; 2374 i = 32; 2375 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) 2376 alignment_interrupt(processor, cia, EA); 2377 while (n > 0) { 2378 if (i == 32) r = (r + 1) % 32; 2379 STORE(EA, 1, EXTRACTED(GPR(r), i, i+7)); 2380 i = i + 8; 2381 if (i == 64) i = 32; 2382 EA = EA + 1; 2383 n = n - 1; 2384 } 2385 23860.31,6.RS,11.RA,16.RB,21.661,31./:X:::Store String Word Indexed 2387 unsigned_word EA; 2388 unsigned_word b; 2389 int n; 2390 int r; 2391 int i; 2392 if (RA_is_0) b = 0; 2393 else b = *rA; 2394 EA = b + *rB; 2395 if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) 2396 alignment_interrupt(processor, cia, EA); 2397 n = EXTRACTED32(XER, 25, 31); 2398 r = RS - 1; 2399 i = 32; 2400 while (n > 0) { 2401 if (i == 32) r = (r + 1) % 32; 2402 STORE(EA, 1, EXTRACTED(GPR(r), i, i+7)); 2403 i = i + 8; 2404 if (i == 64) i = 32; 2405 EA = EA + 1; 2406 n = n - 1; 2407 } 2408 2409 2410# 2411# I.3.3.7 Storage Synchronization Instructions 2412# 2413# HACK: Rather than monitor addresses looking for a reason 2414# to cancel a reservation. This code instead keeps 2415# a copy of the data read from memory. Before performing 2416# a store, the memory area is checked to see if it has 2417# been changed. 24180.31,6.RT,11.RA,16.RB,21.20,31./:X:::Load Word And Reserve Indexed 2419*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 2420*603: PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 2421*603e:PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 2422*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 2423 unsigned_word b; 2424 unsigned_word EA; 2425 if (RA_is_0) b = 0; 2426 else b = *rA; 2427 EA = b + *rB; 2428 RESERVE = 1; 2429 RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); 2430 RESERVE_DATA = MEM(unsigned, EA, 4); 2431 *rT = RESERVE_DATA; 2432 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 2433 24340.31,6.RT,11.RA,16.RB,21.84,31./:X:64::Load Doubleword And Reserve Indexed 2435 unsigned_word b; 2436 unsigned_word EA; 2437 if (RA_is_0) b = 0; 2438 else b = *rA; 2439 EA = b + *rB; 2440 RESERVE = 1; 2441 RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); 2442 RESERVE_DATA = MEM(unsigned, EA, 8); 2443 *rT = RESERVE_DATA; 2444 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 2445 24460.31,6.RS,11.RA,16.RB,21.150,31.1:X:::Store Word Conditional Indexed 2447*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2448*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 2449*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 2450*604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 3, 0 2451 unsigned_word b; 2452 unsigned_word EA; 2453 if (RA_is_0) b = 0; 2454 else b = *rA; 2455 EA = b + *rB; 2456 if (RESERVE) { 2457 if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) 2458 && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 4)) { 2459 STORE(EA, 4, *rS); 2460 CR_SET_XER_SO(0, cr_i_zero); 2461 } 2462 else { 2463 /* ment to randomly to store, we never do! */ 2464 CR_SET_XER_SO(0, 0); 2465 } 2466 RESERVE = 0; 2467 } 2468 else { 2469 CR_SET_XER_SO(0, 0); 2470 } 2471 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); 2472 24730.31,6.RS,11.RA,16.RB,21.214,31.1:X:64::Store Doubleword Conditional Indexed 2474 unsigned_word b; 2475 unsigned_word EA; 2476 if (RA_is_0) b = 0; 2477 else b = *rA; 2478 EA = b + *rB; 2479 if (RESERVE) { 2480 if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) 2481 && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 8)) { 2482 STORE(EA, 8, *rS); 2483 CR_SET_XER_SO(0, cr_i_zero); 2484 } 2485 else { 2486 /* ment to randomly to store, we never do */ 2487 CR_SET_XER_SO(0, 0); 2488 } 2489 RESERVE = 0; 2490 } 2491 else { 2492 CR_SET_XER_SO(0, 0); 2493 } 2494 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); 2495 24960.31,6./,9.L,11./,16./,21.598,31./:X::sync:Synchronize 2497*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2498*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 2499*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 2500*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 2501 /* do nothing */ 2502 2503 2504# 2505# I.3.3.9 Fixed-Point Arithmetic Instructions 2506# 2507 25080.14,6.RT,11.RA,16.SI:D:::Add Immediate 2509*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2510*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2511*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2512*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2513 if (RA_is_0) *rT = EXTS(SI); 2514 else *rT = *rA + EXTS(SI); 2515 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); 2516 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 2517 25180.15,6.RT,11.RA,16.SI:D:::Add Immediate Shifted 2519*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2520*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2521*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2522*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2523 if (RA_is_0) *rT = EXTS(SI) << 16; 2524 else *rT = *rA + (EXTS(SI) << 16); 2525 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); 2526 PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); 2527 25280.31,6.RT,11.RA,16.RB,21.OE,22.266,31.Rc:XO:::Add 2529*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2530*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2531*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2532*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2533 ALU_BEGIN(*rA); 2534 ALU_ADD(*rB); 2535 ALU_END(*rT, 0/*CA*/, OE, Rc); 2536 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2537 25380.31,6.RT,11.RA,16.RB,21.OE,22.40,31.Rc:XO:::Subtract From 2539*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2540*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2541*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2542*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2543 ALU_BEGIN(*rA); 2544 ALU_NOT; 2545 ALU_ADD(*rB); 2546 ALU_ADD(1); 2547 ALU_END(*rT, 0/*CA*/, OE, Rc); 2548 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2549 25500.12,6.RT,11.RA,16.SI:D:::Add Immediate Carrying 2551*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2552*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2553*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2554*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2555 ALU_BEGIN(*rA); 2556 ALU_ADD(EXTS(SI)); 2557 ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); 2558 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); 2559 25600.13,6.RT,11.RA,16.SI:D:::Add Immediate Carrying and Record 2561*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2562*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2563*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2564*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2565 ALU_BEGIN(*rA); 2566 ALU_ADD(EXTS(SI)); 2567 ALU_END(*rT, 1/*CA*/, 0/*OE*/, 1/*Rc*/); 2568 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 1/*Rc*/); 2569 25700.8,6.RT,11.RA,16.SI:D:::Subtract From Immediate Carrying 2571*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2572*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2573*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2574*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2575 ALU_BEGIN(*rA); 2576 ALU_NOT; 2577 ALU_ADD(EXTS(SI)); 2578 ALU_ADD(1); 2579 ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); 2580 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); 2581 25820.31,6.RT,11.RA,16.RB,21.OE,22.10,31.Rc:XO:::Add Carrying 2583*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2584*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2585*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2586*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2587 ALU_BEGIN(*rA); 2588 ALU_ADD(*rB); 2589 ALU_END(*rT, 1/*CA*/, OE, Rc); 2590 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2591 25920.31,6.RT,11.RA,16.RB,21.OE,22.8,31.Rc:XO:::Subtract From Carrying 2593*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2594*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2595*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2596*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2597 /* RT <- ~RA + RB + 1 === RT <- RB - RA */ 2598 ALU_BEGIN(*rA); 2599 ALU_NOT; 2600 ALU_ADD(*rB); 2601 ALU_ADD(1); 2602 ALU_END(*rT, 1/*CA*/, OE, Rc); 2603 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2604 26050.31,6.RT,11.RA,16.RB,21.OE,22.138,31.Rc:XO:::Add Extended 2606*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2607*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2608*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2609*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2610 ALU_BEGIN(*rA); 2611 ALU_ADD(*rB); 2612 ALU_ADD_CA; 2613 ALU_END(*rT, 1/*CA*/, OE, Rc); 2614 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2615 26160.31,6.RT,11.RA,16.RB,21.OE,22.136,31.Rc:XO:::Subtract From Extended 2617*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2618*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2619*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2620*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2621 ALU_BEGIN(*rA); 2622 ALU_NOT; 2623 ALU_ADD(*rB); 2624 ALU_ADD_CA; 2625 ALU_END(*rT, 1/*CA*/, OE, Rc); 2626 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2627 26280.31,6.RT,11.RA,16./,21.OE,22.234,31.Rc:XO:::Add to Minus One Extended 2629*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2630*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2631*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2632*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2633 ALU_BEGIN(*rA); 2634 ALU_ADD_CA; 2635 ALU_ADD(-1); 2636 ALU_END(*rT, 1/*CA*/, OE, Rc); 2637 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); 2638 26390.31,6.RT,11.RA,16./,21.OE,22.232,31.Rc:XO:::Subtract From Minus One Extended 2640*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2641*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2642*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2643*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2644 ALU_BEGIN(*rA); 2645 ALU_NOT; 2646 ALU_ADD_CA; 2647 ALU_ADD(-1); 2648 ALU_END(*rT, 1/*CA*/, OE, Rc); 2649 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); 2650 26510.31,6.RT,11.RA,16./,21.OE,22.202,31.Rc:XO::addze:Add to Zero Extended 2652*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2653*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2654*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2655*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2656 ALU_BEGIN(*rA); 2657 ALU_ADD_CA; 2658 ALU_END(*rT, 1/*CA*/, OE, Rc); 2659 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); 2660 26610.31,6.RT,11.RA,16./,21.OE,22.200,31.Rc:XO:::Subtract from Zero Extended 2662*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2663*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2664*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2665*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2666 ALU_BEGIN(*rA); 2667 ALU_NOT; 2668 ALU_ADD_CA; 2669 ALU_END(*rT, 1/*CA*/, OE, Rc); 2670 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); 2671 26720.31,6.RT,11.RA,16./,21.OE,22.104,31.Rc:XO:::Negate 2673*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2674*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2675*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2676*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2677 ALU_BEGIN(*rA); 2678 ALU_NOT; 2679 ALU_ADD(1); 2680 ALU_END(*rT,0/*CA*/,OE,Rc); 2681 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); 2682 26830.7,6.RT,11.RA,16.SI:D::mulli:Multiply Low Immediate 2684*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2685*603: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 2686*603e:PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 2687*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 2688 signed_word prod = *rA * EXTS(SI); 2689 *rT = prod; 2690 PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); 2691 26920.31,6.RT,11.RA,16.RB,21.OE,22.233,31.Rc:D:64::Multiply Low Doubleword 2693 26940.31,6.RT,11.RA,16.RB,21.OE,22.235,31.Rc:XO::mullw:Multiply Low Word 2695*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2696*603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2697*603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2698*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 2699 signed64 a = (signed32)(*rA); 2700 signed64 b = (signed32)(*rB); 2701 signed64 prod = a * b; 2702 signed_word t = prod; 2703 *rT = *rA * *rB; 2704 if (t != prod && OE) 2705 XER |= (xer_overflow | xer_summary_overflow); 2706 CR0_COMPARE(t, 0, Rc); 2707 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2708 27090.31,6.RT,11.RA,16.RB,21./,22.73,31.Rc:XO:64::Multiply High Doubleword 2710 27110.31,6.RT,11.RA,16.RB,21./,22.75,31.Rc:XO::mulhw:Multiply High Word 2712*601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2713*603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2714*603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 2715*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 2716 signed64 a = (signed32)(*rA); 2717 signed64 b = (signed32)(*rB); 2718 signed64 prod = a * b; 2719 signed_word t = EXTRACTED64(prod, 0, 31); 2720 *rT = t; 2721 CR0_COMPARE(t, 0, Rc); 2722 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2723 27240.31,6.RT,11.RA,16.RB,21./,22.9,31.Rc:XO:64::Multiply High Doubleword Unsigned 2725 27260.31,6.RT,11.RA,16.RB,21./,22.11,31.Rc:XO::mulhwu:Multiply High Word Unsigned 2727*601: PPC_UNIT_IU, PPC_UNIT_IU, 10, 10, 0 2728*603: PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 2729*603e:PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 2730*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 2731 unsigned64 a = (unsigned32)(*rA); 2732 unsigned64 b = (unsigned32)(*rB); 2733 unsigned64 prod = a * b; 2734 signed_word t = EXTRACTED64(prod, 0, 31); 2735 *rT = t; 2736 CR0_COMPARE(t, 0, Rc); 2737 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2738 27390.31,6.RT,11.RA,16.RB,21.OE,22.489,31.Rc:XO:64::Divide Doubleword 2740 27410.31,6.RT,11.RA,16.RB,21.OE,22.491,31.Rc:XO::divw:Divide Word 2742*601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 2743*603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 2744*603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 2745*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 2746 signed64 dividend = (signed32)(*rA); 2747 signed64 divisor = (signed32)(*rB); 2748 if (divisor == 0 /* nb 0x8000..0 is sign extended */ 2749 || (dividend == 0x80000000 && divisor == -1)) { 2750 if (OE) 2751 XER |= (xer_overflow | xer_summary_overflow); 2752 CR0_COMPARE(0, 0, Rc); 2753 } 2754 else { 2755 signed64 quotent = dividend / divisor; 2756 *rT = quotent; 2757 CR0_COMPARE((signed_word)quotent, 0, Rc); 2758 } 2759 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2760 27610.31,6.RT,11.RA,16.RB,21.OE,22.457,31.Rc:XO:64::Divide Doubleword Unsigned 2762 27630.31,6.RT,11.RA,16.RB,21.OE,22.459,31.Rc:XO::divwu:Divide Word Unsigned 2764*601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 2765*603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 2766*603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 2767*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 2768 unsigned64 dividend = (unsigned32)(*rA); 2769 unsigned64 divisor = (unsigned32)(*rB); 2770 if (divisor == 0) { 2771 if (OE) 2772 XER |= (xer_overflow | xer_summary_overflow); 2773 CR0_COMPARE(0, 0, Rc); 2774 } 2775 else { 2776 unsigned64 quotent = dividend / divisor; 2777 *rT = quotent; 2778 CR0_COMPARE((signed_word)quotent, 0, Rc); 2779 } 2780 PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); 2781 2782 2783# 2784# I.3.3.10 Fixed-Point Compare Instructions 2785# 2786 27870.11,6.BF,9./,10.L,11.RA,16.SI:D:::Compare Immediate 2788*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2789*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2790*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2791*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2792 if (!is_64bit_mode && L) 2793 program_interrupt(processor, cia, 2794 illegal_instruction_program_interrupt); 2795 else { 2796 signed_word a; 2797 signed_word b = EXTS(SI); 2798 if (L == 0) 2799 a = EXTENDED(*rA); 2800 else 2801 a = *rA; 2802 CR_COMPARE(BF, a, b); 2803 } 2804 PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); 2805 28060.31,6.BF,9./,10.L,11.RA,16.RB,21.0,31./:X:::Compare 2807*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2808*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2809*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2810*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2811 if (!is_64bit_mode && L) 2812 program_interrupt(processor, cia, 2813 illegal_instruction_program_interrupt); 2814 else { 2815 signed_word a; 2816 signed_word b; 2817 if (L == 0) { 2818 a = EXTENDED(*rA); 2819 b = EXTENDED(*rB); 2820 } 2821 else { 2822 a = *rA; 2823 b = *rB; 2824 } 2825 CR_COMPARE(BF, a, b); 2826 } 2827 PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); 2828 28290.10,6.BF,9./,10.L,11.RA,16.UI:D:::Compare Logical Immediate 2830*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2831*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2832*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2833*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2834 if (!is_64bit_mode && L) 2835 program_interrupt(processor, cia, 2836 illegal_instruction_program_interrupt); 2837 else { 2838 unsigned_word a; 2839 unsigned_word b = UI; 2840 if (L == 0) 2841 a = MASKED(*rA, 32, 63); 2842 else 2843 a = *rA; 2844 CR_COMPARE(BF, a, b); 2845 } 2846 PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); 2847 28480.31,6.BF,9./,10.L,11.RA,16.RB,21.32,31./:X:::Compare Logical 2849*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2850*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2851*603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 2852*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2853 if (!is_64bit_mode && L) 2854 program_interrupt(processor, cia, 2855 illegal_instruction_program_interrupt); 2856 else { 2857 unsigned_word a; 2858 unsigned_word b; 2859 if (L == 0) { 2860 a = MASKED(*rA, 32, 63); 2861 b = MASKED(*rB, 32, 63); 2862 } 2863 else { 2864 a = *rA; 2865 b = *rB; 2866 } 2867 CR_COMPARE(BF, a, b); 2868 } 2869 PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); 2870 2871 2872# 2873# I.3.3.11 Fixed-Point Trap Instructions 2874# 2875 28760.2,6.TO,11.RA,16.SI:D:64::Trap Doubleword Immediate 2877 if (!is_64bit_mode) 2878 program_interrupt(processor, cia, 2879 illegal_instruction_program_interrupt); 2880 else { 2881 signed_word a = *rA; 2882 signed_word b = EXTS(SI); 2883 if ((a < b && TO{0}) 2884 || (a > b && TO{1}) 2885 || (a == b && TO{2}) 2886 || ((unsigned_word)a < (unsigned_word)b && TO{3}) 2887 || ((unsigned_word)a > (unsigned_word)b && TO{4}) 2888 ) 2889 program_interrupt(processor, cia, 2890 trap_program_interrupt); 2891 } 2892 28930.3,6.TO,11.RA,16.SI:D:::Trap Word Immediate 2894*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2895*603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 2896*603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 2897*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2898 signed_word a = EXTENDED(*rA); 2899 signed_word b = EXTS(SI); 2900 if ((a < b && TO{0}) 2901 || (a > b && TO{1}) 2902 || (a == b && TO{2}) 2903 || ((unsigned_word)a < (unsigned_word)b && TO{3}) 2904 || ((unsigned_word)a > (unsigned_word)b && TO{4}) 2905 ) 2906 program_interrupt(processor, cia, 2907 trap_program_interrupt); 2908 29090.31,6.TO,11.RA,16.RB,21.68,31./:X:64::Trap Doubleword 2910 if (!is_64bit_mode) 2911 program_interrupt(processor, cia, 2912 illegal_instruction_program_interrupt); 2913 else { 2914 signed_word a = *rA; 2915 signed_word b = *rB; 2916 if ((a < b && TO{0}) 2917 || (a > b && TO{1}) 2918 || (a == b && TO{2}) 2919 || ((unsigned_word)a < (unsigned_word)b && TO{3}) 2920 || ((unsigned_word)a > (unsigned_word)b && TO{4}) 2921 ) 2922 program_interrupt(processor, cia, 2923 trap_program_interrupt); 2924 } 2925 29260.31,6.TO,11.RA,16.RB,21.4,31./:X:::Trap Word 2927*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2928*603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 2929*603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 2930*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2931 signed_word a = EXTENDED(*rA); 2932 signed_word b = EXTENDED(*rB); 2933 if (TO == 12 && rA == rB) { 2934 ITRACE(trace_breakpoint, ("breakpoint\n")); 2935 cpu_halt(processor, cia, was_trap, 0); 2936 } 2937 else if ((a < b && TO{0}) 2938 || (a > b && TO{1}) 2939 || (a == b && TO{2}) 2940 || ((unsigned_word)a < (unsigned_word)b && TO{3}) 2941 || ((unsigned_word)a > (unsigned_word)b && TO{4}) 2942 ) 2943 program_interrupt(processor, cia, 2944 trap_program_interrupt); 2945 2946# 2947# I.3.3.12 Fixed-Point Logical Instructions 2948# 2949 29500.28,6.RS,11.RA,16.UI:D:::AND Immediate 2951*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2952*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2953*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2954*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2955 *rA = *rS & UI; 2956 CR0_COMPARE(*rA, 0, 1/*Rc*/); 2957 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 2958 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); 2959 29600.29,6.RS,11.RA,16.UI:D:::AND Immediate Shifted 2961*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2962*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2963*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2964*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2965 *rA = *rS & (UI << 16); 2966 CR0_COMPARE(*rA, 0, 1/*Rc*/); 2967 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 2968 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); 2969 29700.24,6.RS,11.RA,16.UI:D:::OR Immediate 2971*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2972*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2973*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2974*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2975 *rA = *rS | UI; 2976 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 2977 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); 2978 29790.25,6.RS,11.RA,16.UI:D:::OR Immediate Shifted 2980*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2981*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2982*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2983*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2984 *rA = *rS | (UI << 16); 2985 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 2986 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); 2987 29880.26,6.RS,11.RA,16.UI:D:::XOR Immediate 2989*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2990*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2991*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2992*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 2993 *rA = *rS ^ UI; 2994 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 2995 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); 2996 29970.27,6.RS,11.RA,16.UI:D:::XOR Immediate Shifted 2998*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 2999*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3000*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3001*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3002 *rA = *rS ^ (UI << 16); 3003 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3004 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); 3005 30060.31,6.RS,11.RA,16.RB,21.28,31.Rc:X:::AND 3007*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3008*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3009*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3010*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3011 *rA = *rS & *rB; 3012 CR0_COMPARE(*rA, 0, Rc); 3013 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3014 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3015 30160.31,6.RS,11.RA,16.RB,21.444,31.Rc:X:::OR 3017*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3018*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3019*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3020*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3021 *rA = *rS | *rB; 3022 CR0_COMPARE(*rA, 0, Rc); 3023 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3024 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3025 30260.31,6.RS,11.RA,16.RB,21.316,31.Rc:X:::XOR 3027*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3028*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3029*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3030*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3031 *rA = *rS ^ *rB; 3032 CR0_COMPARE(*rA, 0, Rc); 3033 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3034 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3035 30360.31,6.RS,11.RA,16.RB,21.476,31.Rc:X:::NAND 3037*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3038*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3039*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3040*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3041 *rA = ~(*rS & *rB); 3042 CR0_COMPARE(*rA, 0, Rc); 3043 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3044 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3045 30460.31,6.RS,11.RA,16.RB,21.124,31.Rc:X:::NOR 3047*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3048*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3049*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3050*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3051 *rA = ~(*rS | *rB); 3052 CR0_COMPARE(*rA, 0, Rc); 3053 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3054 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3055 30560.31,6.RS,11.RA,16.RB,21.284,31.Rc:X:::Equivalent 3057*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3058*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3059*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3060*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3061 *rA = ~(*rS ^ *rB); /* A === B */ 3062 CR0_COMPARE(*rA, 0, Rc); 3063 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3064 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3065 30660.31,6.RS,11.RA,16.RB,21.60,31.Rc:X:::AND with Complement 3067*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3068*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3069*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3070*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3071 *rA = *rS & ~*rB; 3072 CR0_COMPARE(*rA, 0, Rc); 3073 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3074 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3075 30760.31,6.RS,11.RA,16.RB,21.412,31.Rc:X:::OR with Complement 3077*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3078*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3079*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3080*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3081 *rA = *rS | ~*rB; 3082 CR0_COMPARE(*rA, 0, Rc); 3083 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3084 PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); 3085 30860.31,6.RS,11.RA,16./,21.954,31.Rc:X::extsb:Extend Sign Byte 3087*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3088*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3089*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3090*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3091 *rA = (signed_word)(signed8)*rS; 3092 CR0_COMPARE(*rA, 0, Rc); 3093 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3094 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3095 30960.31,6.RS,11.RA,16./,21.922,31.Rc:X::extsh:Extend Sign Half Word 3097*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3098*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3099*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3100*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3101 *rA = (signed_word)(signed16)*rS; 3102 CR0_COMPARE(*rA, 0, Rc); 3103 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3104 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3105 31060.31,6.RS,11.RA,16./,21.986,31.Rc:X:64::Extend Sign Word 3107*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3108*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3109*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3110*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3111# *rA = (signed_word)(signed32)*rS; 3112# CR0_COMPARE(*rA, 0, Rc); 3113 31140.31,6.RS,11.RA,16./,21.58,31.Rc:X:64::Count Leading Zeros Doubleword 3115# int count = 0; 3116# unsigned64 mask = BIT64(0); 3117# unsigned64 source = *rS; 3118# while (!(source & mask) && mask != 0) { 3119# mask >>= 1; 3120# count++; 3121# } 3122# *rA = count; 3123# CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ 3124 31250.31,6.RS,11.RA,16./,21.26,31.Rc:X:::Count Leading Zeros Word 3126*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3127*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3128*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3129*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3130 int count = 0; 3131 unsigned32 mask = BIT32(0); 3132 unsigned32 source = *rS; 3133 while (!(source & mask) && mask != 0) { 3134 mask >>= 1; 3135 count++; 3136 } 3137 *rA = count; 3138 ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3139 CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ 3140 3141 3142# 3143# I.3.3.13 Fixed-Point Rotate and Shift Instructions 3144# 3145 31460.30,6.RS,11.RA,16.sh_0_4,21.mb,27.0,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Left 3147# long n = (sh_5 << 4) | sh_0_4; 3148# unsigned_word r = ROTL64(*rS, n); 3149# long b = (mb_5 << 4) | mb_0_4; 3150# unsigned_word m = MASK(b, 63); 3151# signed_word result = r & m; 3152# *rA = result; 3153# ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); 3154# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ 3155 31560.30,6.RS,11.RA,16.sh_0_4,21.me,27.1,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Right 3157# long n = (sh_5 << 4) | sh_0_4; 3158# unsigned_word r = ROTL64(*rS, n); 3159# long e = (me_5 << 4) | me_0_4; 3160# unsigned_word m = MASK(0, e); 3161# signed_word result = r & m; 3162# *rA = result; 3163# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ 3164 31650.30,6.RS,11.RA,16.sh_0_4,21.mb,27.2,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear 3166# long n = (sh_5 << 4) | sh_0_4; 3167# unsigned_word r = ROTL64(*rS, n); 3168# long b = (mb_5 << 4) | mb_0_4; 3169# unsigned_word m = MASK(0, (64-n)); 3170# signed_word result = r & m; 3171# *rA = result; 3172# CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ 3173 31740.21,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M:::Rotate Left Word Immediate then AND with Mask 3175*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3176*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3177*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3178*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3179 long n = SH; 3180 unsigned32 s = *rS; 3181 unsigned32 r = ROTL32(s, n); 3182 unsigned32 m = MASK(MB+32, ME+32); 3183 signed_word result = r & m; 3184 *rA = result; 3185 CR0_COMPARE(result, 0, Rc); 3186 ITRACE(trace_alu, 3187 ("n=%ld, s=0x%lx, r=0x%lx, m=0x%lx, result=0x%lx, cr=0x%lx\n", 3188 n, (unsigned long)s, (unsigned long)r, (unsigned long)m, 3189 (unsigned long)result, (unsigned long)CR)); 3190 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3191 31920.30,6.RS,11.RA,16.RB,21.mb,27.8,31.Rc:MDS:64::Rotate Left Doubleword then Clear Left 3193# long n = MASKED(*rB, 58, 63); 3194# unsigned_word r = ROTL64(*rS, n); 3195# long b = (mb_5 << 4) | mb_0_4; 3196# unsigned_word m = MASK(b, 63); 3197# signed_word result = r & m; 3198# *rA = result; 3199# CR0_COMPARE(result, 0, Rc); 3200 32010.30,6.RS,11.RA,16.RB,21.me,27.9,31.Rc:MDS:64::Rotate Left Doubleword then Clear Right 3202# long n = MASKED(*rB, 58, 63); 3203# unsigned_word r = ROTL64(*rS, n); 3204# long e = (me_5 << 4) | me_0_4; 3205# unsigned_word m = MASK(0, e); 3206# signed_word result = r & m; 3207# *rA = result; 3208# CR0_COMPARE(result, 0, Rc); 3209 32100.23,6.RS,11.RA,16.RB,21.MB,26.ME,31.Rc:M:::Rotate Left Word then AND with Mask 3211 long n = MASKED(*rB, 59, 63); 3212 unsigned32 r = ROTL32(*rS, n); 3213 unsigned32 m = MASK(MB+32, ME+32); 3214 signed_word result = r & m; 3215 *rA = result; 3216 CR0_COMPARE(result, 0, Rc); 3217 32180.30,6.RS,11.RA,16.sh_0_4,21.mb,27.3,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Mask Insert 3219# long n = (sh_5 << 4) | sh_0_4; 3220# unsigned_word r = ROTL64(*rS, n); 3221# long b = (mb_5 << 4) | mb_0_4; 3222# unsigned_word m = MASK(b, (64-n)); 3223# signed_word result = (r & m) | (*rA & ~m) 3224# *rA = result; 3225# CR0_COMPARE(result, 0, Rc); 3226 32270.20,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M::rlwimi:Rotate Left Word Immediate then Mask Insert 3228*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3229*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3230*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3231*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3232 long n = SH; 3233 unsigned32 r = ROTL32(*rS, n); 3234 unsigned32 m = MASK(MB+32, ME+32); 3235 signed_word result = (r & m) | (*rA & ~m); 3236 *rA = result; 3237 ITRACE(trace_alu, (": n=%ld *rS=0x%lx r=0x%lx m=0x%lx result=0x%lx\n", 3238 n, (unsigned long)*rS, (unsigned long)r, (unsigned long)m, 3239 (unsigned long)result)); 3240 CR0_COMPARE(result, 0, Rc); 3241 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3242 3243 32440.31,6.RS,11.RA,16.RB,21.27,31.Rc:X:64::Shift Left Doubleword 3245 32460.31,6.RS,11.RA,16.RB,21.24,31.Rc:X:::Shift Left Word 3247*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3248*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3249*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3250*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3251 int n = MASKED(*rB, 58, 63); 3252 unsigned32 source = *rS; 3253 signed_word shifted; 3254 if (n < 32) 3255 shifted = (source << n); 3256 else 3257 shifted = 0; 3258 *rA = shifted; 3259 CR0_COMPARE(shifted, 0, Rc); 3260 ITRACE(trace_alu, 3261 ("n=%d, source=0x%lx, shifted=0x%lx\n", 3262 n, (unsigned long)source, (unsigned long)shifted)); 3263 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3264 32650.31,6.RS,11.RA,16.RB,21.539,31.Rc:X:64::Shift Right Doubleword 3266 32670.31,6.RS,11.RA,16.RB,21.536,31.Rc:X:::Shift Right Word 3268*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3269*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3270*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3271*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3272 int n = MASKED(*rB, 58, 63); 3273 unsigned32 source = *rS; 3274 signed_word shifted; 3275 if (n < 32) 3276 shifted = (source >> n); 3277 else 3278 shifted = 0; 3279 *rA = shifted; 3280 CR0_COMPARE(shifted, 0, Rc); 3281 ITRACE(trace_alu, \ 3282 ("n=%d, source=0x%lx, shifted=0x%lx\n", 3283 n, (unsigned long)source, (unsigned long)shifted)); 3284 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3285 32860.31,6.RS,11.RA,16.sh_0_4,21.413,30.sh_5,31.Rc:XS:64::Shift Right Algebraic Doubleword Immediate 3287 32880.31,6.RS,11.RA,16.SH,21.824,31.Rc:X:::Shift Right Algebraic Word Immediate 3289*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3290*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3291*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3292*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3293 int n = SH; 3294 signed_word r = ROTL32(*rS, /*64*/32-n); 3295 signed_word m = MASK(n+32, 63); 3296 int S = MASKED(*rS, 32, 32); 3297 signed_word shifted = (r & m) | (S ? ~m : 0); 3298 *rA = shifted; 3299 if (S && ((r & ~m) & MASK(32, 63)) != 0) 3300 XER |= xer_carry; 3301 else 3302 XER &= ~xer_carry; 3303 CR0_COMPARE(shifted, 0, Rc); 3304 ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", 3305 (long)*rA, (long)*rA, (long)XER)); 3306 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3307 33080.31,6.RS,11.RA,16.RB,21.794,31.Rc:X:64::Shift Right Algebraic Doubleword 3309 33100.31,6.RS,11.RA,16.RB,21.792,31.Rc:X:::Shift Right Algebraic Word 3311*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3312*603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3313*603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3314*604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 3315 unsigned64 mask; 3316 int n = MASKED(*rB, 59, 63); 3317 signed32 source = (signed32)*rS; /* signed to keep sign bit */ 3318 signed32 shifted = source >> n; 3319 int S = (MASKED(*rS,32,32) != 0); 3320 signed64 r = ((unsigned64) source); 3321 r = ((unsigned64) source) << 32 | (unsigned32) source; 3322 r = ROTL64(r,64-n); 3323 if (MASKED(*rB,58,58) == 0) 3324 mask = (unsigned64) MASK64(n+32,63); 3325 else 3326 mask = (unsigned64) 0; 3327 *rA = (signed_word) (r & mask | ((signed64) -1*S) & ~mask); /* if 64bit will sign extend */ 3328 if (S && (MASKED(r & ~mask,32,63)!=0)) 3329 XER |= xer_carry; 3330 else 3331 XER &= ~xer_carry; 3332 CR0_COMPARE(*rA, 0, Rc); 3333 ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", 3334 (long)*rA, (long)*rA, (long)XER)); 3335 PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); 3336 3337# 3338# I.3.3.14 Move to/from System Register Instructions 3339# 3340 33410.31,6.RS,11.SPR,21.467,31./:XFX::mtspr %SPR, %RS:Move to Special Purpose Register 3342*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3343*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 3344*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 3345*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 3346 int n = (SPR{5:9} << 5) | SPR{0:4}; 3347 if (SPR{0} && IS_PROBLEM_STATE(processor)) 3348 program_interrupt(processor, cia, 3349 privileged_instruction_program_interrupt); 3350 else if (!spr_is_valid(n) 3351 || spr_is_readonly(n)) 3352 program_interrupt(processor, cia, 3353 illegal_instruction_program_interrupt); 3354 else { 3355 spreg new_val = (spr_length(n) == 64 3356 ? *rS 3357 : MASKED(*rS, 32, 63)); 3358 /* HACK - time base registers need to be updated immediatly */ 3359 if (WITH_TIME_BASE) { 3360 switch (n) { 3361 case spr_tbu: 3362 cpu_set_time_base(processor, 3363 (MASKED64(cpu_get_time_base(processor), 32, 63) 3364 | INSERTED64(new_val, 0, 31))); 3365 break; 3366 case spr_tbl: 3367 cpu_set_time_base(processor, 3368 (MASKED64(cpu_get_time_base(processor), 0, 31) 3369 | INSERTED64(new_val, 32, 63))); 3370 break; 3371 case spr_dec: 3372 cpu_set_decrementer(processor, new_val); 3373 break; 3374 default: 3375 SPREG(n) = new_val; 3376 break; 3377 } 3378 } 3379 else { 3380 SPREG(n) = new_val; 3381 } 3382 } 3383 PPC_INSN_TO_SPR(RS_BITMASK, n); 3384 33850.31,6.RT,11.SPR,21.339,31./:XFX::mfspr %RT, %SPR:Move from Special Purpose Register 3386*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3387*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3388*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3389*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 3390 int n = (SPR{5:9} << 5) | SPR{0:4}; 3391 if (SPR{0} && IS_PROBLEM_STATE(processor)) 3392 program_interrupt(processor, cia, 3393 privileged_instruction_program_interrupt); 3394 else if (!spr_is_valid(n)) 3395 program_interrupt(processor, cia, 3396 illegal_instruction_program_interrupt); 3397 else { 3398 /* HACK - time base registers need to be calculated */ 3399 if (WITH_TIME_BASE) { 3400 switch (n) { 3401 case spr_dec: 3402 *rT = cpu_get_decrementer(processor); 3403 break; 3404 case spr_tbrl: 3405 if (is_64bit_implementation) *rT = TB; 3406 else *rT = EXTRACTED64(TB, 32, 63); 3407 break; 3408 case spr_tbru: 3409 if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); 3410 else *rT = EXTRACTED64(TB, 0, 31); 3411 break; 3412 case spr_tbu: 3413 case spr_tbl: 3414 /* NOTE - these SPR's are not readable. Use mftb[ul] */ 3415 default: 3416 *rT = SPREG(n); 3417 break; 3418 } 3419 } 3420 else { 3421 *rT = SPREG(n); 3422 } 3423 } 3424 PPC_INSN_FROM_SPR(RT_BITMASK, n); 3425 34260.31,6.RS,11./,12.FXM,20./,21.144,31./:XFX::mtfcr:Move to Condition Register Fields 3427*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 3428*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3429*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3430*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 3431 if (FXM == 0xff) { 3432 CR = *rS; 3433 } 3434 else { 3435 unsigned_word mask = 0; 3436 unsigned_word f; 3437 for (f = 0; f < 8; f++) { 3438 if (FXM & (0x80 >> f)) 3439 mask |= (0xf << 4*(7-f)); 3440 } 3441 CR = (MASKED(*rS, 32, 63) & mask) | (CR & ~mask); 3442 } 3443 PPC_INSN_MTCR(RS_BITMASK, FXM); 3444 34450.31,6.BF,9./,11./,16./,21.512,31./:X:::Move to Condition Register from XER 3446# CR_SET(BF, EXTRACTED32(XER, 0, 3)); 3447# MBLIT32(XER, 0, 3, 0); 3448 34490.31,6.RT,11./,16./,21.19,31./:X:::Move From Condition Register 3450*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3451*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3452*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 3453*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 3454 *rT = (unsigned32)CR; 3455 PPC_INSN_MFCR(RT_BITMASK); 3456 3457# 3458# I.4.6.2 Floating-Point Load Instructions 3459# 3460 34610.48,6.FRT,11.RA,16.D:D:f:lfs:Load Floating-Point Single 3462*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3463*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3464*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3465*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3466 unsigned_word b; 3467 unsigned_word EA; 3468 if (RA_is_0) b = 0; 3469 else b = *rA; 3470 EA = b + EXTS(D); 3471 *frT = DOUBLE(MEM(unsigned, EA, 4)); 3472 PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); 3473 34740.31,6.FRT,11.RA,16.RB,21.535,31./:X:f::Load Floating-Point Single Indexed 3475*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3476*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3477*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3478*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3479 unsigned_word b; 3480 unsigned_word EA; 3481 if (RA_is_0) b = 0; 3482 else b = *rA; 3483 EA = b + *rB; 3484 *frT = DOUBLE(MEM(unsigned, EA, 4)); 3485 PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 3486 34870.49,6.FRT,11.RA,16.D:D:f::Load Floating-Point Single with Update 3488*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3489*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3490*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3491*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3492 unsigned_word EA; 3493 if (RA_is_0) 3494 program_interrupt(processor, cia, 3495 illegal_instruction_program_interrupt); 3496 EA = *rA + EXTS(D); 3497 *frT = DOUBLE(MEM(unsigned, EA, 4)); 3498 *rA = EA; 3499 PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); 3500 35010.31,6.FRT,11.RA,16.RB,21.567,31./:X:f::Load Floating-Point Single with Update Indexed 3502*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3503*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3504*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3505*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3506 unsigned_word EA; 3507 if (RA_is_0) 3508 program_interrupt(processor, cia, 3509 illegal_instruction_program_interrupt); 3510 EA = *rA + *rB; 3511 *frT = DOUBLE(MEM(unsigned, EA, 4)); 3512 *rA = EA; 3513 PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 3514 35150.50,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double 3516*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3517*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3518*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3519*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3520 unsigned_word b; 3521 unsigned_word EA; 3522 if (RA_is_0) b = 0; 3523 else b = *rA; 3524 EA = b + EXTS(D); 3525 *frT = MEM(unsigned, EA, 8); 3526 PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); 3527 35280.31,6.FRT,11.RA,16.RB,21.599,31./:X:f::Load Floating-Point Double Indexed 3529*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3530*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3531*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3532*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3533 unsigned_word b; 3534 unsigned_word EA; 3535 if (RA_is_0) b = 0; 3536 else b = *rA; 3537 EA = b + *rB; 3538 *frT = MEM(unsigned, EA, 8); 3539 PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 3540 35410.51,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double with Update 3542*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3543*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3544*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3545*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3546 unsigned_word EA; 3547 if (RA_is_0) 3548 program_interrupt(processor, cia, 3549 illegal_instruction_program_interrupt); 3550 EA = *rA + EXTS(D); 3551 *frT = MEM(unsigned, EA, 8); 3552 *rA = EA; 3553 PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); 3554 35550.31,6.FRT,11.RA,16.RB,21.631,31./:X:f::Load Floating-Point Double with Update Indexed 3556*601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 3557*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3558*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3559*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3560 unsigned_word EA; 3561 if (RA_is_0) 3562 program_interrupt(processor, cia, 3563 illegal_instruction_program_interrupt); 3564 EA = *rA + *rB; 3565 *frT = MEM(unsigned, EA, 8); 3566 *rA = EA; 3567 PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); 3568 3569 3570# 3571# I.4.6.3 Floating-Point Store Instructions 3572# 3573 35740.52,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single 3575*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3576*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3577*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3578*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3579 unsigned_word b; 3580 unsigned_word EA; 3581 if (RA_is_0) b = 0; 3582 else b = *rA; 3583 EA = b + EXTS(D); 3584 STORE(EA, 4, SINGLE(*frS)); 3585 PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); 3586 35870.31,6.FRS,11.RA,16.RB,21.663,31./:X:f::Store Floating-Point Single Indexed 3588*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3589*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3590*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3591*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3592 unsigned_word b; 3593 unsigned_word EA; 3594 if (RA_is_0) b = 0; 3595 else b = *rA; 3596 EA = b + *rB; 3597 STORE(EA, 4, SINGLE(*frS)); 3598 PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); 3599 36000.53,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single with Update 3601*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3602*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3603*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3604*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3605 unsigned_word EA; 3606 if (RA_is_0) 3607 program_interrupt(processor, cia, 3608 illegal_instruction_program_interrupt); 3609 EA = *rA + EXTS(D); 3610 STORE(EA, 4, SINGLE(*frS)); 3611 *rA = EA; 3612 PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); 3613 36140.31,6.FRS,11.RA,16.RB,21.695,31./:X:f::Store Floating-Point Single with Update Indexed 3615*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3616*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3617*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3618*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3619 unsigned_word EA; 3620 if (RA_is_0) 3621 program_interrupt(processor, cia, 3622 illegal_instruction_program_interrupt); 3623 EA = *rA + *rB; 3624 STORE(EA, 4, SINGLE(*frS)); 3625 *rA = EA; 3626 PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); 3627 36280.54,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double 3629*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3630*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3631*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3632*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3633 unsigned_word b; 3634 unsigned_word EA; 3635 if (RA_is_0) b = 0; 3636 else b = *rA; 3637 EA = b + EXTS(D); 3638 STORE(EA, 8, *frS); 3639 PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); 3640 36410.31,6.FRS,11.RA,16.RB,21.727,31./:X:f::Store Floating-Point Double Indexed 3642*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3643*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3644*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3645*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3646 unsigned_word b; 3647 unsigned_word EA; 3648 if (RA_is_0) b = 0; 3649 else b = *rA; 3650 EA = b + *rB; 3651 STORE(EA, 8, *frS); 3652 PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); 3653 36540.31,6.FRS,11.RA,16.RB,21.983,31./:X:f::Store Floating-Point Integer Word Indexed 3655*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3656*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3657*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3658 unsigned_word b; 3659 unsigned_word EA; 3660 if (RA_is_0) b = 0; 3661 else b = *rA; 3662 EA = b + *rB; 3663 STORE(EA, 4, *frS); 3664 PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); 3665 36660.55,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double with Update 3667*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3668*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3669*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3670*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3671 unsigned_word EA; 3672 if (RA_is_0) 3673 program_interrupt(processor, cia, 3674 illegal_instruction_program_interrupt); 3675 EA = *rA + EXTS(D); 3676 STORE(EA, 8, *frS); 3677 *rA = EA; 3678 PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); 3679 36800.31,6.FRS,11.RA,16.RB,21.759,31./:X:f::Store Floating-Point Double with Update Indexed 3681*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 3682*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3683*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 3684*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 3685 unsigned_word EA; 3686 if (RA_is_0) 3687 program_interrupt(processor, cia, 3688 illegal_instruction_program_interrupt); 3689 EA = *rA + *rB; 3690 STORE(EA, 8, *frS); 3691 *rA = EA; 3692 PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); 3693 3694 3695# 3696# I.4.6.4 Floating-Point Move Instructions 3697# 3698 36990.63,6.FRT,11./,16.FRB,21.72,31.Rc:X:f::Floating Move Register 3700*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3701*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3702*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3703*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3704 *frT = *frB; 3705 CR1_UPDATE(Rc); 3706 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 3707 37080.63,6.FRT,11./,16.FRB,21.40,31.Rc:X:f::Floating Negate 3709*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3710*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3711*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3712*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3713 *frT = *frB ^ BIT64(0); 3714 CR1_UPDATE(Rc); 3715 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 3716 37170.63,6.FRT,11./,16.FRB,21.264,31.Rc:X:f::Floating Absolute Value 3718*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3719*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3720*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3721*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3722 *frT = *frB & ~BIT64(0); 3723 CR1_UPDATE(Rc); 3724 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 3725 37260.63,6.FRT,11./,16.FRB,21.136,31.Rc:X:f::Floating Negative Absolute Value 3727*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3728*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3729*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3730*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3731 *frT = *frB | BIT64(0); 3732 CR1_UPDATE(Rc); 3733 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 3734 3735 3736# 3737# I.4.6.5 Floating-Point Arithmetic Instructions 3738# 3739 37400.63,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadd:Floating Add 3741*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3742*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3743*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3744*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3745 FPSCR_BEGIN; 3746 if (is_invalid_operation(processor, cia, 3747 *frA, *frB, 3748 fpscr_vxsnan | fpscr_vxisi, 3749 0, /*single?*/ 3750 0) /*negate?*/) { 3751 invalid_arithemetic_operation(processor, cia, 3752 frT, *frA, *frB, 0, 3753 0, /*instruction_is_frsp*/ 3754 0, /*instruction_is_convert_to_64bit*/ 3755 0, /*instruction_is_convert_to_32bit*/ 3756 0); /*single-precision*/ 3757 } 3758 else { 3759 /*HACK!*/ 3760 double s = *(double*)frA + *(double*)frB; 3761 *(double*)frT = s; 3762 } 3763 FPSCR_END(Rc); 3764 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3765 37660.59,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadds:Floating Add Single 3767*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3768*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3769*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3770*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3771 FPSCR_BEGIN; 3772 if (is_invalid_operation(processor, cia, 3773 *frA, *frB, 3774 fpscr_vxsnan | fpscr_vxisi, 3775 1, /*single?*/ 3776 0) /*negate?*/) { 3777 invalid_arithemetic_operation(processor, cia, 3778 frT, *frA, *frB, 0, 3779 0, /*instruction_is_frsp*/ 3780 0, /*instruction_is_convert_to_64bit*/ 3781 0, /*instruction_is_convert_to_32bit*/ 3782 1); /*single-precision*/ 3783 } 3784 else { 3785 /*HACK!*/ 3786 float s = *(double*)frA + *(double*)frB; 3787 *(double*)frT = s; 3788 } 3789 FPSCR_END(Rc); 3790 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3791 37920.63,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsub:Floating Subtract 3793*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3794*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3795*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3796*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3797 FPSCR_BEGIN; 3798 if (is_invalid_operation(processor, cia, 3799 *frA, *frB, 3800 fpscr_vxsnan | fpscr_vxisi, 3801 0, /*single?*/ 3802 1) /*negate?*/) { 3803 invalid_arithemetic_operation(processor, cia, 3804 frT, *frA, *frB, 0, 3805 0, /*instruction_is_frsp*/ 3806 0, /*instruction_is_convert_to_64bit*/ 3807 0, /*instruction_is_convert_to_32bit*/ 3808 0); /*single-precision*/ 3809 } 3810 else { 3811 /*HACK!*/ 3812 double s = *(double*)frA - *(double*)frB; 3813 *(double*)frT = s; 3814 } 3815 FPSCR_END(Rc); 3816 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3817 38180.59,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsubs:Floating Subtract Single 3819*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3820*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3821*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3822*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3823 FPSCR_BEGIN; 3824 if (is_invalid_operation(processor, cia, 3825 *frA, *frB, 3826 fpscr_vxsnan | fpscr_vxisi, 3827 1, /*single?*/ 3828 1) /*negate?*/) { 3829 invalid_arithemetic_operation(processor, cia, 3830 frT, *frA, *frB, 0, 3831 0, /*instruction_is_frsp*/ 3832 0, /*instruction_is_convert_to_64bit*/ 3833 0, /*instruction_is_convert_to_32bit*/ 3834 1); /*single-precision*/ 3835 } 3836 else { 3837 /*HACK!*/ 3838 float s = *(double*)frA - *(double*)frB; 3839 *(double*)frT = s; 3840 } 3841 FPSCR_END(Rc); 3842 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3843 38440.63,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmul:Floating Multiply 3845*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 3846*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 3847*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 3848*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3849 FPSCR_BEGIN; 3850 if (is_invalid_operation(processor, cia, 3851 *frA, *frC, 3852 fpscr_vxsnan | fpscr_vximz, 3853 0, /*single?*/ 3854 0) /*negate?*/) { 3855 invalid_arithemetic_operation(processor, cia, 3856 frT, *frA, 0, *frC, 3857 0, /*instruction_is_frsp*/ 3858 0, /*instruction_is_convert_to_64bit*/ 3859 0, /*instruction_is_convert_to_32bit*/ 3860 0); /*single-precision*/ 3861 } 3862 else { 3863 /*HACK!*/ 3864 double s = *(double*)frA * *(double*)frC; 3865 *(double*)frT = s; 3866 } 3867 FPSCR_END(Rc); 3868 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); 3869 38700.59,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmuls:Floating Multiply Single 3871*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 3872*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3873*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3874*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3875 FPSCR_BEGIN; 3876 if (is_invalid_operation(processor, cia, 3877 *frA, *frC, 3878 fpscr_vxsnan | fpscr_vximz, 3879 1, /*single?*/ 3880 0) /*negate?*/) { 3881 invalid_arithemetic_operation(processor, cia, 3882 frT, *frA, 0, *frC, 3883 0, /*instruction_is_frsp*/ 3884 0, /*instruction_is_convert_to_64bit*/ 3885 0, /*instruction_is_convert_to_32bit*/ 3886 1); /*single-precision*/ 3887 } 3888 else { 3889 /*HACK!*/ 3890 float s = *(double*)frA * *(double*)frC; 3891 *(double*)frT = s; 3892 } 3893 FPSCR_END(Rc); 3894 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); 3895 38960.63,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdiv:Floating Divide 3897*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 31, 31, 0 3898*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 3899*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 3900*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 32, 32, 0 3901 FPSCR_BEGIN; 3902 if (is_invalid_operation(processor, cia, 3903 *frA, *frB, 3904 fpscr_vxsnan | fpscr_vxzdz, 3905 0, /*single?*/ 3906 0) /*negate?*/) { 3907 invalid_arithemetic_operation(processor, cia, 3908 frT, *frA, *frB, 0, 3909 0, /*instruction_is_frsp*/ 3910 0, /*instruction_is_convert_to_64bit*/ 3911 0, /*instruction_is_convert_to_32bit*/ 3912 0); /*single-precision*/ 3913 } 3914 else if (is_invalid_zero_divide (processor, cia, 3915 *frA, *frB, 3916 0 /*single?*/)) { 3917 invalid_zero_divide_operation (processor, cia, 3918 frT, *frA, *frB, 3919 0 /*single?*/); 3920 } 3921 else { 3922 /*HACK!*/ 3923 double s = *(double*)frA / *(double*)frB; 3924 *(double*)frT = s; 3925 } 3926 FPSCR_END(Rc); 3927 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3928 39290.59,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdivs:Floating Divide Single 3930*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 17, 17, 0 3931*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 3932*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 3933*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 3934 FPSCR_BEGIN; 3935 if (is_invalid_operation(processor, cia, 3936 *frA, *frB, 3937 fpscr_vxsnan | fpscr_vxzdz, 3938 1, /*single?*/ 3939 0) /*negate?*/) { 3940 invalid_arithemetic_operation(processor, cia, 3941 frT, *frA, *frB, 0, 3942 0, /*instruction_is_frsp*/ 3943 0, /*instruction_is_convert_to_64bit*/ 3944 0, /*instruction_is_convert_to_32bit*/ 3945 1); /*single-precision*/ 3946 } 3947 else if (is_invalid_zero_divide (processor, cia, 3948 *frA, *frB, 3949 1 /*single?*/)) { 3950 invalid_zero_divide_operation (processor, cia, 3951 frT, *frA, *frB, 3952 1 /*single?*/); 3953 } 3954 else { 3955 /*HACK!*/ 3956 float s = *(double*)frA / *(double*)frB; 3957 *(double*)frT = s; 3958 } 3959 FPSCR_END(Rc); 3960 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); 3961 39620.63,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f:fmadd:Floating Multiply-Add 3963*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 3964*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 3965*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 3966*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 3967 FPSCR_BEGIN; 3968 double product; /*HACK! - incorrectly loosing precision ... */ 3969 /* compute the multiply */ 3970 if (is_invalid_operation(processor, cia, 3971 *frA, *frC, 3972 fpscr_vxsnan | fpscr_vximz, 3973 0, /*single?*/ 3974 0) /*negate?*/) { 3975 union { double d; unsigned64 u; } tmp; 3976 invalid_arithemetic_operation(processor, cia, 3977 &tmp.u, *frA, 0, *frC, 3978 0, /*instruction_is_frsp*/ 3979 0, /*instruction_is_convert_to_64bit*/ 3980 0, /*instruction_is_convert_to_32bit*/ 3981 0); /*single-precision*/ 3982 product = tmp.d; 3983 } 3984 else { 3985 /*HACK!*/ 3986 product = *(double*)frA * *(double*)frC; 3987 } 3988 /* compute the add */ 3989 if (is_invalid_operation(processor, cia, 3990 product, *frB, 3991 fpscr_vxsnan | fpscr_vxisi, 3992 0, /*single?*/ 3993 0) /*negate?*/) { 3994 invalid_arithemetic_operation(processor, cia, 3995 frT, product, *frB, 0, 3996 0, /*instruction_is_frsp*/ 3997 0, /*instruction_is_convert_to_64bit*/ 3998 0, /*instruction_is_convert_to_32bit*/ 3999 0); /*single-precision*/ 4000 } 4001 else { 4002 /*HACK!*/ 4003 double s = product + *(double*)frB; 4004 *(double*)frT = s; 4005 } 4006 FPSCR_END(Rc); 4007 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4008 40090.59,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f::Floating Multiply-Add Single 4010*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4011*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4012*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4013*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4014 FPSCR_BEGIN; 4015 float product; /*HACK! - incorrectly loosing precision ... */ 4016 /* compute the multiply */ 4017 if (is_invalid_operation(processor, cia, 4018 *frA, *frC, 4019 fpscr_vxsnan | fpscr_vximz, 4020 1, /*single?*/ 4021 0) /*negate?*/) { 4022 union { double d; unsigned64 u; } tmp; 4023 invalid_arithemetic_operation(processor, cia, 4024 &tmp.u, *frA, 0, *frC, 4025 0, /*instruction_is_frsp*/ 4026 0, /*instruction_is_convert_to_64bit*/ 4027 0, /*instruction_is_convert_to_32bit*/ 4028 0); /*single-precision*/ 4029 product = tmp.d; 4030 } 4031 else { 4032 /*HACK!*/ 4033 product = *(double*)frA * *(double*)frC; 4034 } 4035 /* compute the add */ 4036 if (is_invalid_operation(processor, cia, 4037 product, *frB, 4038 fpscr_vxsnan | fpscr_vxisi, 4039 1, /*single?*/ 4040 0) /*negate?*/) { 4041 invalid_arithemetic_operation(processor, cia, 4042 frT, product, *frB, 0, 4043 0, /*instruction_is_frsp*/ 4044 0, /*instruction_is_convert_to_64bit*/ 4045 0, /*instruction_is_convert_to_32bit*/ 4046 0); /*single-precision*/ 4047 } 4048 else { 4049 /*HACK!*/ 4050 float s = product + *(double*)frB; 4051 *(double*)frT = (double)s; 4052 } 4053 FPSCR_END(Rc); 4054 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4055 40560.63,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract 4057*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 4058*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4059*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4060*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4061 FPSCR_BEGIN; 4062 double product; /*HACK! - incorrectly loosing precision ... */ 4063 /* compute the multiply */ 4064 if (is_invalid_operation(processor, cia, 4065 *frA, *frC, 4066 fpscr_vxsnan | fpscr_vximz, 4067 0, /*single?*/ 4068 0) /*negate?*/) { 4069 union { double d; unsigned64 u; } tmp; 4070 invalid_arithemetic_operation(processor, cia, 4071 &tmp.u, *frA, 0, *frC, 4072 0, /*instruction_is_frsp*/ 4073 0, /*instruction_is_convert_to_64bit*/ 4074 0, /*instruction_is_convert_to_32bit*/ 4075 0); /*single-precision*/ 4076 product = tmp.d; 4077 } 4078 else { 4079 /*HACK!*/ 4080 product = *(double*)frA * *(double*)frC; 4081 } 4082 /* compute the subtract */ 4083 if (is_invalid_operation(processor, cia, 4084 product, *frB, 4085 fpscr_vxsnan | fpscr_vxisi, 4086 0, /*single?*/ 4087 0) /*negate?*/) { 4088 invalid_arithemetic_operation(processor, cia, 4089 frT, product, *frB, 0, 4090 0, /*instruction_is_frsp*/ 4091 0, /*instruction_is_convert_to_64bit*/ 4092 0, /*instruction_is_convert_to_32bit*/ 4093 0); /*single-precision*/ 4094 } 4095 else { 4096 /*HACK!*/ 4097 double s = product - *(double*)frB; 4098 *(double*)frT = s; 4099 } 4100 FPSCR_END(Rc); 4101 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4102 41030.59,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract Single 4104*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4105*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4106*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4107*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4108 FPSCR_BEGIN; 4109 float product; /*HACK! - incorrectly loosing precision ... */ 4110 /* compute the multiply */ 4111 if (is_invalid_operation(processor, cia, 4112 *frA, *frC, 4113 fpscr_vxsnan | fpscr_vximz, 4114 1, /*single?*/ 4115 0) /*negate?*/) { 4116 union { double d; unsigned64 u; } tmp; 4117 invalid_arithemetic_operation(processor, cia, 4118 &tmp.u, *frA, 0, *frC, 4119 0, /*instruction_is_frsp*/ 4120 0, /*instruction_is_convert_to_64bit*/ 4121 0, /*instruction_is_convert_to_32bit*/ 4122 0); /*single-precision*/ 4123 product = tmp.d; 4124 } 4125 else { 4126 /*HACK!*/ 4127 product = *(double*)frA * *(double*)frC; 4128 } 4129 /* compute the subtract */ 4130 if (is_invalid_operation(processor, cia, 4131 product, *frB, 4132 fpscr_vxsnan | fpscr_vxisi, 4133 1, /*single?*/ 4134 0) /*negate?*/) { 4135 invalid_arithemetic_operation(processor, cia, 4136 frT, product, *frB, 0, 4137 0, /*instruction_is_frsp*/ 4138 0, /*instruction_is_convert_to_64bit*/ 4139 0, /*instruction_is_convert_to_32bit*/ 4140 0); /*single-precision*/ 4141 } 4142 else { 4143 /*HACK!*/ 4144 float s = product - *(double*)frB; 4145 *(double*)frT = (double)s; 4146 } 4147 FPSCR_END(Rc); 4148 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4149 41500.63,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add 4151*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 4152*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4153*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4154*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4155 FPSCR_BEGIN; 4156 double product; /*HACK! - incorrectly loosing precision ... */ 4157 /* compute the multiply */ 4158 if (is_invalid_operation(processor, cia, 4159 *frA, *frC, 4160 fpscr_vxsnan | fpscr_vximz, 4161 0, /*single?*/ 4162 0) /*negate?*/) { 4163 union { double d; unsigned64 u; } tmp; 4164 invalid_arithemetic_operation(processor, cia, 4165 &tmp.u, *frA, 0, *frC, 4166 0, /*instruction_is_frsp*/ 4167 0, /*instruction_is_convert_to_64bit*/ 4168 0, /*instruction_is_convert_to_32bit*/ 4169 0); /*single-precision*/ 4170 product = tmp.d; 4171 } 4172 else { 4173 /*HACK!*/ 4174 product = *(double*)frA * *(double*)frC; 4175 } 4176 /* compute the add */ 4177 if (is_invalid_operation(processor, cia, 4178 product, *frB, 4179 fpscr_vxsnan | fpscr_vxisi, 4180 0, /*single?*/ 4181 0) /*negate?*/) { 4182 invalid_arithemetic_operation(processor, cia, 4183 frT, product, *frB, 0, 4184 0, /*instruction_is_frsp*/ 4185 0, /*instruction_is_convert_to_64bit*/ 4186 0, /*instruction_is_convert_to_32bit*/ 4187 0); /*single-precision*/ 4188 } 4189 else { 4190 /*HACK!*/ 4191 double s = -(product + *(double*)frB); 4192 *(double*)frT = s; 4193 } 4194 FPSCR_END(Rc); 4195 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4196 41970.59,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add Single 4198*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4199*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4200*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4201*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4202 FPSCR_BEGIN; 4203 float product; /*HACK! - incorrectly loosing precision ... */ 4204 /* compute the multiply */ 4205 if (is_invalid_operation(processor, cia, 4206 *frA, *frC, 4207 fpscr_vxsnan | fpscr_vximz, 4208 1, /*single?*/ 4209 0) /*negate?*/) { 4210 union { double d; unsigned64 u; } tmp; 4211 invalid_arithemetic_operation(processor, cia, 4212 &tmp.u, *frA, 0, *frC, 4213 0, /*instruction_is_frsp*/ 4214 0, /*instruction_is_convert_to_64bit*/ 4215 0, /*instruction_is_convert_to_32bit*/ 4216 0); /*single-precision*/ 4217 product = tmp.d; 4218 } 4219 else { 4220 /*HACK!*/ 4221 product = *(double*)frA * *(double*)frC; 4222 } 4223 /* compute the add */ 4224 if (is_invalid_operation(processor, cia, 4225 product, *frB, 4226 fpscr_vxsnan | fpscr_vxisi, 4227 1, /*single?*/ 4228 0) /*negate?*/) { 4229 invalid_arithemetic_operation(processor, cia, 4230 frT, product, *frB, 0, 4231 0, /*instruction_is_frsp*/ 4232 0, /*instruction_is_convert_to_64bit*/ 4233 0, /*instruction_is_convert_to_32bit*/ 4234 0); /*single-precision*/ 4235 } 4236 else { 4237 /*HACK!*/ 4238 float s = -(product + *(double*)frB); 4239 *(double*)frT = (double)s; 4240 } 4241 FPSCR_END(Rc); 4242 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4243 42440.63,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract 4245*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 4246*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4247*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 4248*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4249 FPSCR_BEGIN; 4250 double product; /*HACK! - incorrectly loosing precision ... */ 4251 /* compute the multiply */ 4252 if (is_invalid_operation(processor, cia, 4253 *frA, *frC, 4254 fpscr_vxsnan | fpscr_vximz, 4255 0, /*single?*/ 4256 0) /*negate?*/) { 4257 union { double d; unsigned64 u; } tmp; 4258 invalid_arithemetic_operation(processor, cia, 4259 &tmp.u, *frA, 0, *frC, 4260 0, /*instruction_is_frsp*/ 4261 0, /*instruction_is_convert_to_64bit*/ 4262 0, /*instruction_is_convert_to_32bit*/ 4263 0); /*single-precision*/ 4264 product = tmp.d; 4265 } 4266 else { 4267 /*HACK!*/ 4268 product = *(double*)frA * *(double*)frC; 4269 } 4270 /* compute the subtract */ 4271 if (is_invalid_operation(processor, cia, 4272 product, *frB, 4273 fpscr_vxsnan | fpscr_vxisi, 4274 0, /*single?*/ 4275 0) /*negate?*/) { 4276 invalid_arithemetic_operation(processor, cia, 4277 frT, product, *frB, 0, 4278 0, /*instruction_is_frsp*/ 4279 0, /*instruction_is_convert_to_64bit*/ 4280 0, /*instruction_is_convert_to_32bit*/ 4281 0); /*single-precision*/ 4282 } 4283 else { 4284 /*HACK!*/ 4285 double s = -(product - *(double*)frB); 4286 *(double*)frT = s; 4287 } 4288 FPSCR_END(Rc); 4289 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4290 42910.59,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract Single 4292*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4293*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4294*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4295*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4296 FPSCR_BEGIN; 4297 float product; /*HACK! - incorrectly loosing precision ... */ 4298 /* compute the multiply */ 4299 if (is_invalid_operation(processor, cia, 4300 *frA, *frC, 4301 fpscr_vxsnan | fpscr_vximz, 4302 1, /*single?*/ 4303 0) /*negate?*/) { 4304 union { double d; unsigned64 u; } tmp; 4305 invalid_arithemetic_operation(processor, cia, 4306 &tmp.u, *frA, 0, *frC, 4307 0, /*instruction_is_frsp*/ 4308 0, /*instruction_is_convert_to_64bit*/ 4309 0, /*instruction_is_convert_to_32bit*/ 4310 0); /*single-precision*/ 4311 product = tmp.d; 4312 } 4313 else { 4314 /*HACK!*/ 4315 product = *(double*)frA * *(double*)frC; 4316 } 4317 /* compute the subtract */ 4318 if (is_invalid_operation(processor, cia, 4319 product, *frB, 4320 fpscr_vxsnan | fpscr_vxisi, 4321 1, /*single?*/ 4322 0) /*negate?*/) { 4323 invalid_arithemetic_operation(processor, cia, 4324 frT, product, *frB, 0, 4325 0, /*instruction_is_frsp*/ 4326 0, /*instruction_is_convert_to_64bit*/ 4327 0, /*instruction_is_convert_to_32bit*/ 4328 0); /*single-precision*/ 4329 } 4330 else { 4331 /*HACK!*/ 4332 float s = -(product - *(double*)frB); 4333 *(double*)frT = (double)s; 4334 } 4335 FPSCR_END(Rc); 4336 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4337 4338 4339# 4340# I.4.6.6 Floating-Point Rounding and Conversion Instructions 4341# 4342 43430.63,6.FRT,11./,16.FRB,21.12,31.Rc:X:f::Floating Round to Single-Precision 4344*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4345*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4346*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4347*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4348 int sign; 4349 int exp; 4350 unsigned64 frac_grx; 4351 /***/ 4352 /* split off cases for what to do */ 4353 if (EXTRACTED64(*frB, 1, 11) < 897 4354 && EXTRACTED64(*frB, 1, 63) > 0) { 4355 if ((FPSCR & fpscr_ue) == 0) GOTO(Disabled_Exponent_Underflow); 4356 if ((FPSCR & fpscr_ue) != 0) GOTO(Enabled_Exponent_Underflow); 4357 } 4358 if (EXTRACTED64(*frB, 1, 11) > 1150 4359 && EXTRACTED64(*frB, 1, 11) < 2047) { 4360 if ((FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow); 4361 if ((FPSCR & fpscr_oe) != 0) GOTO(Enabled_Exponent_Overflow); 4362 } 4363 if (EXTRACTED64(*frB, 1, 11) > 896 4364 && EXTRACTED64(*frB, 1, 11) < 1151) GOTO(Normal_Operand); 4365 if (EXTRACTED64(*frB, 1, 63) == 0) GOTO(Zero_Operand); 4366 if (EXTRACTED64(*frB, 1, 11) == 2047) { 4367 if (EXTRACTED64(*frB, 12, 63) == 0) GOTO(Infinity_Operand); 4368 if (EXTRACTED64(*frB, 12, 12) == 1) GOTO(QNaN_Operand); 4369 if (EXTRACTED64(*frB, 12, 12) == 0 4370 && EXTRACTED64(*frB, 13, 63) > 0) GOTO(SNaN_Operand); 4371 } 4372 /**/ 4373 LABEL(Disabled_Exponent_Underflow): 4374 sign = EXTRACTED64(*frB, 0, 0); 4375 if (EXTRACTED64(*frB, 1, 11) == 0) { 4376 exp = -1022; 4377 frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); 4378 } 4379 if (EXTRACTED64(*frB, 1, 11) > 0) { 4380 exp = EXTRACTED64(*frB, 1, 11) - 1023; 4381 frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); 4382 } 4383 /* G|R|X == zero from above */ 4384 while (exp < -126) { 4385 exp = exp + 1; 4386 frac_grx = (INSERTED64(EXTRACTED64(frac_grx, 0, 54), 1, 55) 4387 | MASKED64(frac_grx, 55, 55)); 4388 } 4389 FPSCR_SET_UX(EXTRACTED64(frac_grx, 24, 55) > 0); 4390 Round_Single(processor, sign, &exp, &frac_grx); 4391 FPSCR_SET_XX(FPSCR & fpscr_fi); 4392 if (EXTRACTED64(frac_grx, 0, 52) == 0) { 4393 *frT = INSERTED64(sign, 0, 0); 4394 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); 4395 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); 4396 } 4397 if (EXTRACTED64(frac_grx, 0, 52) > 0) { 4398 if (EXTRACTED64(frac_grx, 0, 0) == 1) { 4399 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4400 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4401 } 4402 if (EXTRACTED64(frac_grx, 0, 0) == 0) { 4403 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_denormalized_number); 4404 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_denormalized_number); 4405 } 4406 /*Normalize_Operand:*/ 4407 while (EXTRACTED64(frac_grx, 0, 0) == 0) { 4408 exp = exp - 1; 4409 frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); 4410 } 4411 *frT = (INSERTED64(sign, 0, 0) 4412 | INSERTED64(exp + 1023, 1, 11) 4413 | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); 4414 } 4415 GOTO(Done); 4416 /**/ 4417 LABEL(Enabled_Exponent_Underflow): 4418 FPSCR_SET_UX(1); 4419 sign = EXTRACTED64(*frB, 0, 0); 4420 if (EXTRACTED64(*frB, 1, 11) == 0) { 4421 exp = -1022; 4422 frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); 4423 } 4424 if (EXTRACTED64(*frB, 1, 11) > 0) { 4425 exp = EXTRACTED64(*frB, 1, 11) - 1023; 4426 frac_grx = (BIT64(0) | 4427 INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52)); 4428 } 4429 /*Normalize_Operand:*/ 4430 while (EXTRACTED64(frac_grx, 0, 0) == 0) { 4431 exp = exp - 1; 4432 frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); 4433 } 4434 Round_Single(processor, sign, &exp, &frac_grx); 4435 FPSCR_SET_XX(FPSCR & fpscr_fi); 4436 exp = exp + 192; 4437 *frT = (INSERTED64(sign, 0, 0) 4438 | INSERTED64(exp + 1023, 1, 11) 4439 | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); 4440 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4441 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4442 GOTO(Done); 4443 /**/ 4444 LABEL(Disabled_Exponent_Overflow): 4445 FPSCR_SET_OX(1); 4446 if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { 4447 if (EXTRACTED64(*frB, 0, 0) == 0) { 4448 *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; 4449 FPSCR_SET_FPRF(fpscr_rf_pos_infinity); 4450 } 4451 if (EXTRACTED64(*frB, 0, 0) == 1) { 4452 *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; 4453 FPSCR_SET_FPRF(fpscr_rf_neg_infinity); 4454 } 4455 } 4456 if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_zero) { 4457 if (EXTRACTED64(*frB, 0, 0) == 0) { 4458 *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; 4459 FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4460 } 4461 if (EXTRACTED64(*frB, 0, 0) == 1) { 4462 *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; 4463 FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4464 } 4465 } 4466 if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { 4467 if (EXTRACTED64(*frB, 0, 0) == 0) { 4468 *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; 4469 FPSCR_SET_FPRF(fpscr_rf_pos_infinity); 4470 } 4471 if (EXTRACTED64(*frB, 0, 0) == 1) { 4472 *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; 4473 FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4474 } 4475 } 4476 if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { 4477 if (EXTRACTED64(*frB, 0, 0) == 0) { 4478 *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; 4479 FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4480 } 4481 if (EXTRACTED64(*frB, 0, 0) == 1) { 4482 *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; 4483 FPSCR_SET_FPRF(fpscr_rf_neg_infinity); 4484 } 4485 } 4486 /* FPSCR[FR] <- undefined */ 4487 FPSCR_SET_FI(1); 4488 FPSCR_SET_XX(1); 4489 GOTO(Done); 4490 /**/ 4491 LABEL(Enabled_Exponent_Overflow): 4492 sign = EXTRACTED64(*frB, 0, 0); 4493 exp = EXTRACTED64(*frB, 1, 11) - 1023; 4494 frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); 4495 Round_Single(processor, sign, &exp, &frac_grx); 4496 FPSCR_SET_XX(FPSCR & fpscr_fi); 4497 /**/ 4498 LABEL(Enabled_Overflow): 4499 FPSCR_SET_OX(1); 4500 exp = exp - 192; 4501 *frT = (INSERTED64(sign, 0, 0) 4502 | INSERTED64(exp + 1023, 1, 11) 4503 | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); 4504 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4505 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4506 GOTO(Done); 4507 /**/ 4508 LABEL(Zero_Operand): 4509 *frT = *frB; 4510 if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); 4511 if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); 4512 FPSCR_SET_FR(0); 4513 FPSCR_SET_FI(0); 4514 GOTO(Done); 4515 /**/ 4516 LABEL(Infinity_Operand): 4517 *frT = *frB; 4518 if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_infinity); 4519 if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_infinity); 4520 FPSCR_SET_FR(0); 4521 FPSCR_SET_FI(0); 4522 GOTO(Done); 4523 /**/ 4524 LABEL(QNaN_Operand): 4525 *frT = INSERTED64(EXTRACTED64(*frB, 0, 34), 0, 34); 4526 FPSCR_SET_FPRF(fpscr_rf_quiet_nan); 4527 FPSCR_SET_FR(0); 4528 FPSCR_SET_FI(0); 4529 GOTO(Done); 4530 /**/ 4531 LABEL(SNaN_Operand): 4532 FPSCR_OR_VX(fpscr_vxsnan); 4533 if ((FPSCR & fpscr_ve) == 0) { 4534 *frT = (MASKED64(*frB, 0, 11) 4535 | BIT64(12) 4536 | MASKED64(*frB, 13, 34)); 4537 FPSCR_SET_FPRF(fpscr_rf_quiet_nan); 4538 } 4539 FPSCR_SET_FR(0); 4540 FPSCR_SET_FI(0); 4541 GOTO(Done); 4542 /**/ 4543 LABEL(Normal_Operand): 4544 sign = EXTRACTED64(*frB, 0, 0); 4545 exp = EXTRACTED64(*frB, 1, 11) - 1023; 4546 frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); 4547 Round_Single(processor, sign, &exp, &frac_grx); 4548 FPSCR_SET_XX(FPSCR & fpscr_fi); 4549 if (exp > 127 && (FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow); 4550 if (exp > 127 && (FPSCR & fpscr_oe) != 0) GOTO(Enabled_Overflow); 4551 *frT = (INSERTED64(sign, 0, 0) 4552 | INSERTED64(exp + 1023, 1, 11) 4553 | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); 4554 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4555 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); 4556 GOTO(Done); 4557 /**/ 4558 LABEL(Done): 4559 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 4560 4561 45620.63,6.FRT,11./,16.FRB,21.814,31.Rc:X:64,f::Floating Convert To Integer Doubleword 4563 floating_point_assist_interrupt(processor, cia); 4564 45650.63,6.FRT,11./,16.FRB,21.815,31.Rc:X:64,f::Floating Convert To Integer Doubleword with round towards Zero 4566 floating_point_assist_interrupt(processor, cia); 4567 45680.63,6.FRT,11./,16.FRB,21.14,31.Rc:X:f::Floating Convert To Integer Word 4569 floating_point_assist_interrupt(processor, cia); 4570 45710.63,6.FRT,11./,16.FRB,21.15,31.Rc:X:f:fctiwz:Floating Convert To Integer Word with round towards Zero 4572*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4573*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4574*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4575*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4576 FPSCR_BEGIN; 4577 convert_to_integer(processor, cia, 4578 frT, *frB, 4579 fpscr_rn_round_towards_zero, 32); 4580 FPSCR_END(Rc); 4581 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 4582 45830.63,6.FRT,11./,16.FRB,21.846,31.Rc:X:64,f::Floating Convert from Integer Doubleword 4584 int sign = EXTRACTED64(*frB, 0, 0); 4585 int exp = 63; 4586 unsigned64 frac = *frB; 4587 /***/ 4588 if (frac == 0) GOTO(Zero_Operand); 4589 if (sign == 1) frac = ~frac + 1; 4590 while (EXTRACTED64(frac, 0, 0) == 0) { 4591 /*??? do the loop 0 times if (FRB) = max negative integer */ 4592 frac = INSERTED64(EXTRACTED64(frac, 1, 63), 0, 62); 4593 exp = exp - 1; 4594 } 4595 Round_Float(processor, sign, &exp, &frac, FPSCR & fpscr_rn); 4596 if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4597 if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); 4598 *frT = (INSERTED64(sign, 0, 0) 4599 | INSERTED64(exp + 1023, 1, 11) 4600 | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); 4601 GOTO(Done); 4602 /**/ 4603 LABEL(Zero_Operand): 4604 FPSCR_SET_FR(0); 4605 FPSCR_SET_FI(0); 4606 FPSCR_SET_FPRF(fpscr_rf_pos_zero); 4607 *frT = 0; 4608 GOTO(Done); 4609 /**/ 4610 LABEL(Done): 4611 PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); 4612 4613 4614# 4615# I.4.6.7 Floating-Point Compare Instructions 4616# 4617 46180.63,6.BF,9./,11.FRA,16.FRB,21.0,31./:X:f:fcmpu:Floating Compare Unordered 4619*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4620*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4621*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4622*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4623 FPSCR_BEGIN; 4624 unsigned c; 4625 if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) 4626 c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ 4627 else if (is_less_than(frA, frB)) 4628 c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ 4629 else if (is_greater_than(frA, frB)) 4630 c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ 4631 else 4632 c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ 4633 FPSCR_SET_FPCC(c); 4634 CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ 4635 if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) 4636 FPSCR_OR_VX(fpscr_vxsnan); 4637 FPSCR_END(0); 4638 PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); 4639 46400.63,6.BF,9./,11.FRA,16.FRB,21.32,31./:X:f:fcmpo:Floating Compare Ordered 4641*601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 4642*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4643*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4644*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4645 FPSCR_BEGIN; 4646 unsigned c; 4647 if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) 4648 c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ 4649 else if (is_less_than(frA, frB)) 4650 c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ 4651 else if (is_greater_than(frA, frB)) 4652 c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ 4653 else 4654 c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ 4655 FPSCR_SET_FPCC(c); 4656 CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ 4657 if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) { 4658 FPSCR_OR_VX(fpscr_vxsnan); 4659 if ((FPSCR & fpscr_ve) == 0) 4660 FPSCR_OR_VX(fpscr_vxvc); 4661 } 4662 else if (is_QNaN(*frA, 0) || is_QNaN(*frB, 0)) { 4663 FPSCR_OR_VX(fpscr_vxvc); 4664 } 4665 FPSCR_END(0); 4666 PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); 4667 4668 4669# 4670# I.4.6.8 Floating-Point Status and Control Register Instructions 4671# 4672 46730.63,6.FRT,11./,16./,21.583,31.Rc:X:f::Move From FPSCR 4674 FPSCR_BEGIN; 4675 *frT = FPSCR; 4676 FPSCR_END(Rc); 4677 46780.63,6.BF,9./,11.BFA,14./,16./,21.64,31./:X:f::Move to Condition Register from FPSCR 4679 FPSCR_BEGIN; 4680 unsigned field = FPSCR_FIELD(BFA); 4681 CR_SET(BF, field); 4682 FPSCR_SET(BFA, 0); /* FPSCR_END fixes up FEX/VX */ 4683 FPSCR_END(0); 4684 46850.63,6.BF,9./,11./,16.U,20./,21.134,31.Rc:X:f::Move To FPSCR Field Immediate 4686 FPSCR_BEGIN; 4687 FPSCR_SET(BF, U); 4688 FPSCR_END(Rc); 4689 46900.63,6./,7.FLM,15./,16.FRB,21.711,31.Rc:XFL:f::Move To FPSCR Fields 4691 FPSCR_BEGIN; 4692 int i; 4693 for (i = 0; i < 8; i++) { 4694 if ((FLM & BIT8(i))) { 4695 FPSCR &= ~MASK32(i*4, i*4+3); 4696 FPSCR |= MASKED32(*frB, i*4, i*4+3); 4697 } 4698 } 4699 FPSCR_END(Rc); 4700 47010.63,6.BT,11./,16./,21.70,31.Rc:X:f::Move To FPSCR Bit 0 4702 FPSCR_BEGIN; 4703 unsigned32 bit = BIT32(BT); 4704 FPSCR &= ~bit; 4705 FPSCR_END(Rc); 4706 47070.63,6.BT,11./,16./,21.38,31.Rc:X:f::Move To FPSCR Bit 1 4708 FPSCR_BEGIN; 4709 unsigned32 bit = BIT32(BT); 4710 if (bit & fpscr_fi) 4711 bit |= fpscr_xx; 4712 if ((bit & fpscr_vx_bits)) 4713 bit |= fpscr_fx; 4714 /* note - omit vx bit */ 4715 if ((bit & (fpscr_ox | fpscr_ux | fpscr_zx | fpscr_xx))) 4716 bit |= fpscr_fx; 4717 FPSCR |= bit; 4718 FPSCR_END(Rc); 4719 4720# 4721# I.A.1.2 Floating-Point Arithmetic Instructions 4722# 4723 47240.63,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root 4725 program_interrupt(processor, cia, optional_instruction_program_interrupt); 4726 47270.59,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root Single 4728 program_interrupt(processor, cia, optional_instruction_program_interrupt); 4729 47300.59,6.FRT,11./,16.FRB,21./,26.24,31.Rc:A:f,o::Floating Reciprocal Estimate Single 4731 program_interrupt(processor, cia, optional_instruction_program_interrupt); 4732 47330.63,6.FRT,11./,16.FRB,21./,26.26,31.Rc:A:f,o::Floating Reciprocal Square Root Estimate 4734 program_interrupt(processor, cia, optional_instruction_program_interrupt); 4735 4736# 4737# I.A.1.3 Floating-Point Select Instruction 4738# 4739 47400.63,6.FRT,11.FRA,16.FRB,21.FRC,26.23,31.Rc:A:f,o::Floating Select 4741*601: PPC_UNIT_BAD, PPC_UNIT_BAD, 0, 0, 0 4742*603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4743*603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4744*604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 4745 if (CURRENT_MODEL == MODEL_ppc601) { 4746 program_interrupt(processor, cia, optional_instruction_program_interrupt); 4747 } else { 4748 unsigned64 zero = 0; 4749 FPSCR_BEGIN; 4750 if (is_NaN(*frA, 0) || is_less_than (frA, &zero)) *frT = *frB; 4751 else *frT = *frC; 4752 FPSCR_END(Rc); 4753 PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); 4754 } 4755 4756# 4757# II.3.2 Cache Management Instructions 4758# 4759 47600.31,6./,11.RA,16.RB,21.982,31./:X::icbi:Instruction Cache Block Invalidate 4761*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4762*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4763*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4764*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 4765 /* blindly flush all instruction cache entries */ 4766 #if WITH_IDECODE_CACHE_SIZE 4767 cpu_flush_icache(processor); 4768 #endif 4769 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0); 4770 47710.19,6./,11./,16./,21.150,31./:XL::isync:Instruction Synchronize 4772*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4773*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4774*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4775*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 4776 cpu_synchronize_context(processor, cia); 4777 PPC_INSN_INT(0, 0, 0); 4778 4779 4780# 4781# II.3.2.2 Data Cache Instructions 4782# 4783 47840.31,6./,11.RA,16.RB,21.278,31./:X:::Data Cache Block Touch 4785*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4786*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4787*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4788*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 4789 TRACE(trace_tbd,("Data Cache Block Touch\n")); 4790 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); 4791 47920.31,6./,11.RA,16.RB,21.246,31./:X:::Data Cache Block Touch for Store 4793*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4794*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4795*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4796*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4797 TRACE(trace_tbd,("Data Cache Block Touch for Store\n")); 4798 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); 4799 48000.31,6./,11.RA,16.RB,21.1014,31./:X:::Data Cache Block set to Zero 4801*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4802*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 4803*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 4804*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4805 TRACE(trace_tbd,("Data Cache Block set to Zero\n")); 4806 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); 4807 48080.31,6./,11.RA,16.RB,21.54,31./:X:::Data Cache Block Store 4809*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4810*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 4811*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 4812*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 4813 TRACE(trace_tbd,("Data Cache Block Store\n")); 4814 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); 4815 48160.31,6./,11.RA,16.RB,21.86,31./:X:::Data Cache Block Flush 4817*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4818*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 4819*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 4820*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 4821 TRACE(trace_tbd,("Data Cache Block Flush\n")); 4822 PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); 4823 4824# 4825# II.3.3 Enforce In-order Execution of I/O Instruction 4826# 4827 48280.31,6./,11./,16./,21.854,31./:X::eieio:Enforce In-order Execution of I/O 4829 /* Since this model has no instruction overlap 4830 this instruction need do nothing */ 4831 4832# 4833# II.4.1 Time Base Instructions 4834# 4835 48360.31,6.RT,11.tbr,21.371,31./:XFX::mftb:Move From Time Base 4837*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 4838*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 4839*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 4840 int n = (tbr{5:9} << 5) | tbr{0:4}; 4841 if (n == 268) { 4842 if (is_64bit_implementation) *rT = TB; 4843 else *rT = EXTRACTED64(TB, 32, 63); 4844 } 4845 else if (n == 269) { 4846 if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); 4847 else *rT = EXTRACTED64(TB, 0, 31); 4848 } 4849 else 4850 program_interrupt(processor, cia, 4851 illegal_instruction_program_interrupt); 4852 4853 4854# 4855# III.2.3.1 System Linkage Instructions 4856# 4857 48580.19,6./,11./,16./,21.50,31./:XL::rfi:Return From Interrupt 4859*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4860*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4861*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4862*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 4863 if (IS_PROBLEM_STATE(processor)) { 4864 program_interrupt(processor, cia, 4865 privileged_instruction_program_interrupt); 4866 } 4867 else { 4868 MSR = (MASKED(SRR1, 0, 32) 4869 | MASKED(SRR1, 37, 41) 4870 | MASKED(SRR1, 48, 63)); 4871 NIA = MASKED(SRR0, 0, 61); 4872 cpu_synchronize_context(processor, cia); 4873 check_masked_interrupts(processor); 4874 } 4875 4876# 4877# III.3.4.1 Move to/from System Register Instructions 4878# 4879 4880#0.31,6.RS,11.SPR,21.467,31./:XFX:::Move To Special Purpose Register 4881#0.31,6.RT,11.SPR,21.339,31./:XFX:::Move From Special Purpose Register 48820.31,6.RS,11./,16./,21.146,31./:X:::Move To Machine State Register 4883*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4884*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4885*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4886*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 4887 if (IS_PROBLEM_STATE(processor)) 4888 program_interrupt(processor, cia, 4889 privileged_instruction_program_interrupt); 4890 else { 4891 MSR = *rS; 4892 check_masked_interrupts(processor); 4893 } 4894 48950.31,6.RT,11./,16./,21.83,31./:X:::Move From Machine State Register 4896*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4897*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 4898*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 4899*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 4900 if (IS_PROBLEM_STATE(processor)) 4901 program_interrupt(processor, cia, 4902 privileged_instruction_program_interrupt); 4903 else { 4904 *rT = MSR; 4905 check_masked_interrupts(processor); 4906 } 4907 4908 4909# 4910# III.4.11.1 Cache Management Instructions 4911# 4912 49130.31,6./,11.RA,16.RB,21.470,31./:X::dcbi:Data Cache Block Invalidate 4914*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4915*603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4916*603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 4917*604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 4918 if (IS_PROBLEM_STATE(processor)) 4919 program_interrupt(processor, cia, 4920 privileged_instruction_program_interrupt); 4921 else 4922 TRACE(trace_tbd,("Data Cache Block Invalidate\n")); 4923 4924# 4925# III.4.11.2 Segment Register Manipulation Instructions 4926# 4927 49280.31,6.RS,11./,12.SR,16./,21.210,31./:X:32:mtsr %SR,%RS:Move To Segment Register 4929*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4930*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4931*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4932*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 4933 if (IS_PROBLEM_STATE(processor)) 4934 program_interrupt(processor, cia, 4935 privileged_instruction_program_interrupt); 4936 else 4937 SEGREG(SR) = *rS; 4938 49390.31,6.RS,11./,16.RB,21.242,31./:X:32:mtsrin %RS,%RB:Move To Segment Register Indirect 4940*601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 4941*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4942*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 4943*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 4944 if (IS_PROBLEM_STATE(processor)) 4945 program_interrupt(processor, cia, 4946 privileged_instruction_program_interrupt); 4947 else 4948 SEGREG(EXTRACTED32(*rB, 0, 3)) = *rS; 4949 49500.31,6.RT,11./,12.SR,16./,21.595,31./:X:32:mfsr %RT,%RS:Move From Segment Register 4951*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 4952*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4953*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4954*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 4955 if (IS_PROBLEM_STATE(processor)) 4956 program_interrupt(processor, cia, 4957 privileged_instruction_program_interrupt); 4958 else 4959 *rT = SEGREG(SR); 4960 49610.31,6.RT,11./,16.RB,21.659,31./:X:32:mfsrin %RT,%RB:Move From Segment Register Indirect 4962*601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 4963*603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4964*603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 4965*604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 4966 if (IS_PROBLEM_STATE(processor)) 4967 program_interrupt(processor, cia, 4968 privileged_instruction_program_interrupt); 4969 else 4970 *rT = SEGREG(EXTRACTED32(*rB, 0, 3)); 4971 4972 4973# 4974# III.4.11.3 Lookaside Buffer Management Instructions (Optional) 4975# 4976 49770.31,6./,11./,16.RB,21.434,31./:X:64::SLB Invalidate Entry 4978 49790.31,6./,11./,16./,21.498,31./:X:64::SLB Invalidate All 4980 49810.31,6./,11./,16.RB,21.306,31./:X:::TLB Invalidate Entry 4982 if (IS_PROBLEM_STATE(processor)) 4983 program_interrupt(processor, cia, 4984 privileged_instruction_program_interrupt); 4985 else { 4986 int nr = 0; 4987 cpu *proc; 4988 while (1) { 4989 proc = psim_cpu(cpu_system(processor), nr); 4990 if (proc == NULL) break; 4991 cpu_page_tlb_invalidate_entry(proc, *rB); 4992 nr++; 4993 } 4994 } 4995 49960.31,6./,11./,16./,21.370,31./:X:::TLB Invalidate All 4997 if (IS_PROBLEM_STATE(processor)) 4998 program_interrupt(processor, cia, 4999 privileged_instruction_program_interrupt); 5000 else { 5001 int nr = 0; 5002 cpu *proc; 5003 while (1) { 5004 proc = psim_cpu(cpu_system(processor), nr); 5005 if (proc == NULL) break; 5006 cpu_page_tlb_invalidate_all(proc); 5007 nr++; 5008 } 5009 } 5010 50110.31,6./,11./,16./,21.566,31./:X:::TLB Synchronize 5012 /* nothing happens here - always in sync */ 5013 5014# 5015# III.A.1.2 External Access Instructions 5016# 5017 50180.31,6.RT,11.RA,16.RB,21.310,31./:X:earwax::External Control In Word Indexed 5019 50200.31,6.RS,11.RA,16.RB,21.438,31./:X:earwax::External Control Out Word Indexed 5021 5022:include:::altivec.igen 5023:include:::e500.igen 5024