exetrace.cc revision 4265
1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Steve Reinhardt 29 * Lisa Hsu 30 * Nathan Binkert 31 * Steve Raasch 32 */ 33 34#include <errno.h> 35#include <fstream> 36#include <iomanip> 37#include <sys/ipc.h> 38#include <sys/shm.h> 39 40#include "arch/regfile.hh" 41#include "arch/utility.hh" 42#include "base/loader/symtab.hh" 43#include "base/socket.hh" 44#include "config/full_system.hh" 45#include "cpu/base.hh" 46#include "cpu/exetrace.hh" 47#include "cpu/static_inst.hh" 48#include "sim/param.hh" 49#include "sim/system.hh" 50 51#if FULL_SYSTEM 52#include "arch/tlb.hh" 53#endif 54 55//XXX This is temporary 56#include "arch/isa_specific.hh" 57#include "cpu/m5legion_interface.h" 58 59using namespace std; 60using namespace TheISA; 61 62#if THE_ISA == SPARC_ISA && FULL_SYSTEM 63static int diffcount = 0; 64static bool wasMicro = false; 65#endif 66 67namespace Trace { 68SharedData *shared_data = NULL; 69ListenSocket *cosim_listener = NULL; 70 71void 72setupSharedData() 73{ 74 int shmfd = shmget('M' << 24 | getuid(), sizeof(SharedData), 0777); 75 if (shmfd < 0) 76 fatal("Couldn't get shared memory fd. Is Legion running?"); 77 78 shared_data = (SharedData*)shmat(shmfd, NULL, SHM_RND); 79 if (shared_data == (SharedData*)-1) 80 fatal("Couldn't allocate shared memory"); 81 82 if (shared_data->flags != OWN_M5) 83 fatal("Shared memory has invalid owner"); 84 85 if (shared_data->version != VERSION) 86 fatal("Shared Data is wrong version! M5: %d Legion: %d", VERSION, 87 shared_data->version); 88 89 // step legion forward one cycle so we can get register values 90 shared_data->flags = OWN_LEGION; 91} 92 93//////////////////////////////////////////////////////////////////////// 94// 95// Methods for the InstRecord object 96// 97 98#if THE_ISA == SPARC_ISA 99 100inline char * genCenteredLabel(int length, char * buffer, char * label) 101{ 102 int labelLength = strlen(label); 103 assert(labelLength <= length); 104 int leftPad = (length - labelLength) / 2; 105 int rightPad = length - leftPad - labelLength; 106 char format[64]; 107 sprintf(format, "%%%ds%%s%%%ds", leftPad, rightPad); 108 sprintf(buffer, format, "", label, ""); 109 return buffer; 110} 111 112inline void printRegPair(ostream & os, char const * title, uint64_t a, uint64_t b) 113{ 114 ccprintf(os, " %16s | %#018x %s %#-018x \n", 115 title, a, (a == b) ? "|" : "X", b); 116} 117 118inline void printColumnLabels(ostream & os) 119{ 120 static char * regLabel = genCenteredLabel(16, new char[17], "Register"); 121 static char * m5Label = genCenteredLabel(18, new char[18], "M5"); 122 static char * legionLabel = genCenteredLabel(18, new char[18], "Legion"); 123 ccprintf(os, " %s | %s | %s \n", regLabel, m5Label, legionLabel); 124 ccprintf(os, "--------------------+-----------------------+-----------------------\n"); 125} 126 127inline void printSectionHeader(ostream & os, char * name) 128{ 129 char sectionString[70]; 130 genCenteredLabel(69, sectionString, name); 131 ccprintf(os, "====================================================================\n"); 132 ccprintf(os, "%69s\n", sectionString); 133 ccprintf(os, "====================================================================\n"); 134} 135 136inline void printLevelHeader(ostream & os, int level) 137{ 138 char sectionString[70]; 139 char levelName[70]; 140 sprintf(levelName, "Trap stack level %d", level); 141 genCenteredLabel(69, sectionString, levelName); 142 ccprintf(os, "====================================================================\n"); 143 ccprintf(os, "%69s\n", sectionString); 144 ccprintf(os, "====================================================================\n"); 145} 146 147#endif 148 149void 150Trace::InstRecord::dump() 151{ 152 ostream &outs = Trace::output(); 153 154 DPRINTF(Sparc, "Instruction: %#X\n", staticInst->machInst); 155 bool diff = true; 156 if (IsOn(ExecRegDelta)) 157 { 158 diff = false; 159#ifndef NDEBUG 160#if THE_ISA == SPARC_ISA 161 static int fd = 0; 162 //Don't print what happens for each micro-op, just print out 163 //once at the last op, and for regular instructions. 164 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) 165 { 166 if(!cosim_listener) 167 { 168 int port = 8000; 169 cosim_listener = new ListenSocket(); 170 while(!cosim_listener->listen(port, true)) 171 { 172 DPRINTF(GDBMisc, "Can't bind port %d\n", port); 173 port++; 174 } 175 ccprintf(cerr, "Listening for cosimulator on port %d\n", port); 176 fd = cosim_listener->accept(); 177 } 178 char prefix[] = "goli"; 179 for(int p = 0; p < 4; p++) 180 { 181 for(int i = 0; i < 8; i++) 182 { 183 uint64_t regVal; 184 int res = read(fd, ®Val, sizeof(regVal)); 185 if(res < 0) 186 panic("First read call failed! %s\n", strerror(errno)); 187 regVal = TheISA::gtoh(regVal); 188 uint64_t realRegVal = thread->readIntReg(p * 8 + i); 189 if((regVal & 0xffffffffULL) != (realRegVal & 0xffffffffULL)) 190 { 191 DPRINTF(ExecRegDelta, "Register %s%d should be %#x but is %#x.\n", prefix[p], i, regVal, realRegVal); 192 diff = true; 193 } 194 //ccprintf(outs, "%s%d m5 = %#x statetrace = %#x\n", prefix[p], i, realRegVal, regVal); 195 } 196 } 197 /*for(int f = 0; f <= 62; f+=2) 198 { 199 uint64_t regVal; 200 int res = read(fd, ®Val, sizeof(regVal)); 201 if(res < 0) 202 panic("First read call failed! %s\n", strerror(errno)); 203 regVal = TheISA::gtoh(regVal); 204 uint64_t realRegVal = thread->readFloatRegBits(f, 64); 205 if(regVal != realRegVal) 206 { 207 DPRINTF(ExecRegDelta, "Register f%d should be %#x but is %#x.\n", f, regVal, realRegVal); 208 } 209 }*/ 210 uint64_t regVal; 211 int res = read(fd, ®Val, sizeof(regVal)); 212 if(res < 0) 213 panic("First read call failed! %s\n", strerror(errno)); 214 regVal = TheISA::gtoh(regVal); 215 uint64_t realRegVal = thread->readNextPC(); 216 if(regVal != realRegVal) 217 { 218 DPRINTF(ExecRegDelta, "Register pc should be %#x but is %#x.\n", regVal, realRegVal); 219 diff = true; 220 } 221 res = read(fd, ®Val, sizeof(regVal)); 222 if(res < 0) 223 panic("First read call failed! %s\n", strerror(errno)); 224 regVal = TheISA::gtoh(regVal); 225 realRegVal = thread->readNextNPC(); 226 if(regVal != realRegVal) 227 { 228 DPRINTF(ExecRegDelta, "Register npc should be %#x but is %#x.\n", regVal, realRegVal); 229 diff = true; 230 } 231 res = read(fd, ®Val, sizeof(regVal)); 232 if(res < 0) 233 panic("First read call failed! %s\n", strerror(errno)); 234 regVal = TheISA::gtoh(regVal); 235 realRegVal = thread->readIntReg(SparcISA::NumIntArchRegs + 2); 236 if((regVal & 0xF) != (realRegVal & 0xF)) 237 { 238 DPRINTF(ExecRegDelta, "Register ccr should be %#x but is %#x.\n", regVal, realRegVal); 239 diff = true; 240 } 241 } 242#endif 243#endif 244#if 0 //THE_ISA == SPARC_ISA 245 //Don't print what happens for each micro-op, just print out 246 //once at the last op, and for regular instructions. 247 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) 248 { 249 static uint64_t regs[32] = { 250 0, 0, 0, 0, 0, 0, 0, 0, 251 0, 0, 0, 0, 0, 0, 0, 0, 252 0, 0, 0, 0, 0, 0, 0, 0, 253 0, 0, 0, 0, 0, 0, 0, 0}; 254 static uint64_t ccr = 0; 255 static uint64_t y = 0; 256 static uint64_t floats[32]; 257 uint64_t newVal; 258 static const char * prefixes[4] = {"G", "O", "L", "I"}; 259 260 outs << hex; 261 outs << "PC = " << thread->readNextPC(); 262 outs << " NPC = " << thread->readNextNPC(); 263 newVal = thread->readIntReg(SparcISA::NumIntArchRegs + 2); 264 //newVal = thread->readMiscRegNoEffect(SparcISA::MISCREG_CCR); 265 if(newVal != ccr) 266 { 267 outs << " CCR = " << newVal; 268 ccr = newVal; 269 } 270 newVal = thread->readIntReg(SparcISA::NumIntArchRegs + 1); 271 //newVal = thread->readMiscRegNoEffect(SparcISA::MISCREG_Y); 272 if(newVal != y) 273 { 274 outs << " Y = " << newVal; 275 y = newVal; 276 } 277 for(int y = 0; y < 4; y++) 278 { 279 for(int x = 0; x < 8; x++) 280 { 281 int index = x + 8 * y; 282 newVal = thread->readIntReg(index); 283 if(regs[index] != newVal) 284 { 285 outs << " " << prefixes[y] << dec << x << " = " << hex << newVal; 286 regs[index] = newVal; 287 } 288 } 289 } 290 for(int y = 0; y < 32; y++) 291 { 292 newVal = thread->readFloatRegBits(2 * y, 64); 293 if(floats[y] != newVal) 294 { 295 outs << " F" << dec << (2 * y) << " = " << hex << newVal; 296 floats[y] = newVal; 297 } 298 } 299 outs << dec << endl; 300 } 301#endif 302 } 303 if(!diff) { 304 } else if (IsOn(ExecIntel)) { 305 ccprintf(outs, "%7d ) ", when); 306 outs << "0x" << hex << PC << ":\t"; 307 if (staticInst->isLoad()) { 308 ccprintf(outs, "<RD %#x>", addr); 309 } else if (staticInst->isStore()) { 310 ccprintf(outs, "<WR %#x>", addr); 311 } 312 outs << endl; 313 } else { 314 if (IsOn(ExecTicks)) 315 ccprintf(outs, "%7d: ", when); 316 317 outs << thread->getCpuPtr()->name() << " "; 318 319 if (IsOn(ExecSpeculative)) 320 outs << (misspeculating ? "-" : "+") << " "; 321 322 if (IsOn(ExecThread)) 323 outs << "T" << thread->getThreadNum() << " : "; 324 325 326 std::string sym_str; 327 Addr sym_addr; 328 if (debugSymbolTable 329 && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr) 330 && IsOn(ExecSymbol)) { 331 if (PC != sym_addr) 332 sym_str += csprintf("+%d", PC - sym_addr); 333 outs << "@" << sym_str << " : "; 334 } 335 else { 336 outs << "0x" << hex << PC << " : "; 337 } 338 339 // 340 // Print decoded instruction 341 // 342 343#if defined(__GNUC__) && (__GNUC__ < 3) 344 // There's a bug in gcc 2.x library that prevents setw() 345 // from working properly on strings 346 string mc(staticInst->disassemble(PC, debugSymbolTable)); 347 while (mc.length() < 26) 348 mc += " "; 349 outs << mc; 350#else 351 outs << setw(26) << left << staticInst->disassemble(PC, debugSymbolTable); 352#endif 353 354 outs << " : "; 355 356 if (IsOn(ExecOpClass)) { 357 outs << opClassStrings[staticInst->opClass()] << " : "; 358 } 359 360 if (IsOn(ExecResult) && data_status != DataInvalid) { 361 outs << " D="; 362#if 0 363 if (data_status == DataDouble) 364 ccprintf(outs, "%f", data.as_double); 365 else 366 ccprintf(outs, "%#018x", data.as_int); 367#else 368 ccprintf(outs, "%#018x", data.as_int); 369#endif 370 } 371 372 if (IsOn(ExecEffAddr) && addr_valid) 373 outs << " A=0x" << hex << addr; 374 375 if (IsOn(ExecIntRegs) && regs_valid) { 376 for (int i = 0; i < TheISA::NumIntRegs;) 377 for (int j = i + 1; i <= j; i++) 378 ccprintf(outs, "r%02d = %#018x%s", i, 379 iregs->regs.readReg(i), 380 ((i == j) ? "\n" : " ")); 381 outs << "\n"; 382 } 383 384 if (IsOn(ExecFetchSeq) && fetch_seq_valid) 385 outs << " FetchSeq=" << dec << fetch_seq; 386 387 if (IsOn(ExecCPSeq) && cp_seq_valid) 388 outs << " CPSeq=" << dec << cp_seq; 389 390 // 391 // End of line... 392 // 393 outs << endl; 394 } 395#if THE_ISA == SPARC_ISA && FULL_SYSTEM 396 // Compare 397 if (IsOn(ExecLegion)) 398 { 399 bool compared = false; 400 bool diffPC = false; 401 bool diffCC = false; 402 bool diffInst = false; 403 bool diffIntRegs = false; 404 bool diffFpRegs = false; 405 bool diffTpc = false; 406 bool diffTnpc = false; 407 bool diffTstate = false; 408 bool diffTt = false; 409 bool diffTba = false; 410 bool diffHpstate = false; 411 bool diffHtstate = false; 412 bool diffHtba = false; 413 bool diffPstate = false; 414 bool diffY = false; 415 bool diffFsr = false; 416 bool diffCcr = false; 417 bool diffTl = false; 418 bool diffGl = false; 419 bool diffAsi = false; 420 bool diffPil = false; 421 bool diffCwp = false; 422 bool diffCansave = false; 423 bool diffCanrestore = false; 424 bool diffOtherwin = false; 425 bool diffCleanwin = false; 426 bool diffTlb = false; 427 Addr m5Pc, lgnPc; 428 429 if (!shared_data) 430 setupSharedData(); 431 432 // We took a trap on a micro-op... 433 if (wasMicro && !staticInst->isMicroOp()) 434 { 435 // let's skip comparing this tick 436 while (!compared) 437 if (shared_data->flags == OWN_M5) { 438 shared_data->flags = OWN_LEGION; 439 compared = true; 440 } 441 compared = false; 442 wasMicro = false; 443 } 444 445 if (staticInst->isLastMicroOp()) 446 wasMicro = false; 447 else if (staticInst->isMicroOp()) 448 wasMicro = true; 449 450 451 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) { 452 while (!compared) { 453 if (shared_data->flags == OWN_M5) { 454 m5Pc = PC & TheISA::PAddrImplMask; 455 if (bits(shared_data->pstate,3,3)) { 456 m5Pc &= mask(32); 457 } 458 lgnPc = shared_data->pc & TheISA::PAddrImplMask; 459 if (lgnPc != m5Pc) 460 diffPC = true; 461 462 if (shared_data->cycle_count != 463 thread->getCpuPtr()->instCount()) 464 diffCC = true; 465 466 if (shared_data->instruction != 467 (SparcISA::MachInst)staticInst->machInst) { 468 diffInst = true; 469 } 470 // assume we have %g0 working correctly 471 for (int i = 1; i < TheISA::NumIntArchRegs; i++) { 472 if (thread->readIntReg(i) != shared_data->intregs[i]) { 473 diffIntRegs = true; 474 } 475 } 476 for (int i = 0; i < TheISA::NumFloatRegs/2; i++) { 477 if (thread->readFloatRegBits(i*2,FloatRegFile::DoubleWidth) != shared_data->fpregs[i]) { 478 diffFpRegs = true; 479 } 480 } 481 uint64_t oldTl = thread->readMiscRegNoEffect(MISCREG_TL); 482 if (oldTl != shared_data->tl) 483 diffTl = true; 484 for (int i = 1; i <= MaxTL; i++) { 485 thread->setMiscRegNoEffect(MISCREG_TL, i); 486 if (thread->readMiscRegNoEffect(MISCREG_TPC) != 487 shared_data->tpc[i-1]) 488 diffTpc = true; 489 if (thread->readMiscRegNoEffect(MISCREG_TNPC) != 490 shared_data->tnpc[i-1]) 491 diffTnpc = true; 492 if (thread->readMiscRegNoEffect(MISCREG_TSTATE) != 493 shared_data->tstate[i-1]) 494 diffTstate = true; 495 if (thread->readMiscRegNoEffect(MISCREG_TT) != 496 shared_data->tt[i-1]) 497 diffTt = true; 498 if (thread->readMiscRegNoEffect(MISCREG_HTSTATE) != 499 shared_data->htstate[i-1]) 500 diffHtstate = true; 501 } 502 thread->setMiscRegNoEffect(MISCREG_TL, oldTl); 503 504 if(shared_data->tba != thread->readMiscRegNoEffect(MISCREG_TBA)) 505 diffTba = true; 506 //When the hpstate register is read by an instruction, 507 //legion has bit 11 set. When it's in storage, it doesn't. 508 //Since we don't directly support seperate interpretations 509 //of the registers like that, the bit is always set to 1 and 510 //we just don't compare it. It's not supposed to matter 511 //anyway. 512 if((shared_data->hpstate | (1 << 11)) != thread->readMiscRegNoEffect(MISCREG_HPSTATE)) 513 diffHpstate = true; 514 if(shared_data->htba != thread->readMiscRegNoEffect(MISCREG_HTBA)) 515 diffHtba = true; 516 if(shared_data->pstate != thread->readMiscRegNoEffect(MISCREG_PSTATE)) 517 diffPstate = true; 518 //if(shared_data->y != thread->readMiscRegNoEffect(MISCREG_Y)) 519 if(shared_data->y != 520 thread->readIntReg(NumIntArchRegs + 1)) 521 diffY = true; 522 if(shared_data->fsr != thread->readMiscRegNoEffect(MISCREG_FSR)) { 523 diffFsr = true; 524 if (mbits(shared_data->fsr, 63,10) == 525 mbits(thread->readMiscRegNoEffect(MISCREG_FSR), 63,10)) { 526 thread->setMiscRegNoEffect(MISCREG_FSR, shared_data->fsr); 527 diffFsr = false; 528 } 529 } 530 //if(shared_data->ccr != thread->readMiscRegNoEffect(MISCREG_CCR)) 531 if(shared_data->ccr != 532 thread->readIntReg(NumIntArchRegs + 2)) 533 diffCcr = true; 534 if(shared_data->gl != thread->readMiscRegNoEffect(MISCREG_GL)) 535 diffGl = true; 536 if(shared_data->asi != thread->readMiscRegNoEffect(MISCREG_ASI)) 537 diffAsi = true; 538 if(shared_data->pil != thread->readMiscRegNoEffect(MISCREG_PIL)) 539 diffPil = true; 540 if(shared_data->cwp != thread->readMiscRegNoEffect(MISCREG_CWP)) 541 diffCwp = true; 542 //if(shared_data->cansave != thread->readMiscRegNoEffect(MISCREG_CANSAVE)) 543 if(shared_data->cansave != 544 thread->readIntReg(NumIntArchRegs + 3)) 545 diffCansave = true; 546 //if(shared_data->canrestore != 547 // thread->readMiscRegNoEffect(MISCREG_CANRESTORE)) 548 if(shared_data->canrestore != 549 thread->readIntReg(NumIntArchRegs + 4)) 550 diffCanrestore = true; 551 //if(shared_data->otherwin != thread->readMiscRegNoEffect(MISCREG_OTHERWIN)) 552 if(shared_data->otherwin != 553 thread->readIntReg(NumIntArchRegs + 6)) 554 diffOtherwin = true; 555 //if(shared_data->cleanwin != thread->readMiscRegNoEffect(MISCREG_CLEANWIN)) 556 if(shared_data->cleanwin != 557 thread->readIntReg(NumIntArchRegs + 5)) 558 diffCleanwin = true; 559 560 for (int i = 0; i < 64; i++) { 561 if (shared_data->itb[i] != thread->getITBPtr()->TteRead(i)) 562 diffTlb = true; 563 if (shared_data->dtb[i] != thread->getDTBPtr()->TteRead(i)) 564 diffTlb = true; 565 } 566 567 if (diffPC || diffCC || diffInst || diffIntRegs || 568 diffFpRegs || diffTpc || diffTnpc || diffTstate || 569 diffTt || diffHpstate || diffHtstate || diffHtba || 570 diffPstate || diffY || diffCcr || diffTl || diffFsr || 571 diffGl || diffAsi || diffPil || diffCwp || diffCansave || 572 diffCanrestore || diffOtherwin || diffCleanwin || diffTlb) 573 { 574 575 outs << "Differences found between M5 and Legion:"; 576 if (diffPC) 577 outs << " [PC]"; 578 if (diffCC) 579 outs << " [CC]"; 580 if (diffInst) 581 outs << " [Instruction]"; 582 if (diffIntRegs) 583 outs << " [IntRegs]"; 584 if (diffFpRegs) 585 outs << " [FpRegs]"; 586 if (diffTpc) 587 outs << " [Tpc]"; 588 if (diffTnpc) 589 outs << " [Tnpc]"; 590 if (diffTstate) 591 outs << " [Tstate]"; 592 if (diffTt) 593 outs << " [Tt]"; 594 if (diffHpstate) 595 outs << " [Hpstate]"; 596 if (diffHtstate) 597 outs << " [Htstate]"; 598 if (diffHtba) 599 outs << " [Htba]"; 600 if (diffPstate) 601 outs << " [Pstate]"; 602 if (diffY) 603 outs << " [Y]"; 604 if (diffFsr) 605 outs << " [FSR]"; 606 if (diffCcr) 607 outs << " [Ccr]"; 608 if (diffTl) 609 outs << " [Tl]"; 610 if (diffGl) 611 outs << " [Gl]"; 612 if (diffAsi) 613 outs << " [Asi]"; 614 if (diffPil) 615 outs << " [Pil]"; 616 if (diffCwp) 617 outs << " [Cwp]"; 618 if (diffCansave) 619 outs << " [Cansave]"; 620 if (diffCanrestore) 621 outs << " [Canrestore]"; 622 if (diffOtherwin) 623 outs << " [Otherwin]"; 624 if (diffCleanwin) 625 outs << " [Cleanwin]"; 626 if (diffTlb) 627 outs << " [Tlb]"; 628 outs << endl << endl; 629 630 outs << right << setfill(' ') << setw(15) 631 << "M5 PC: " << "0x"<< setw(16) << setfill('0') 632 << hex << m5Pc << endl; 633 outs << setfill(' ') << setw(15) 634 << "Legion PC: " << "0x"<< setw(16) << setfill('0') << hex 635 << lgnPc << endl << endl; 636 637 outs << right << setfill(' ') << setw(15) 638 << "M5 CC: " << "0x"<< setw(16) << setfill('0') 639 << hex << thread->getCpuPtr()->instCount() << endl; 640 outs << setfill(' ') << setw(15) 641 << "Legion CC: " << "0x"<< setw(16) << setfill('0') << hex 642 << shared_data->cycle_count << endl << endl; 643 644 outs << setfill(' ') << setw(15) 645 << "M5 Inst: " << "0x"<< setw(8) 646 << setfill('0') << hex << staticInst->machInst 647 << staticInst->disassemble(m5Pc, debugSymbolTable) 648 << endl; 649 650 StaticInstPtr legionInst = 651 StaticInst::decode(makeExtMI(shared_data->instruction, 652 thread)); 653 outs << setfill(' ') << setw(15) 654 << " Legion Inst: " 655 << "0x" << setw(8) << setfill('0') << hex 656 << shared_data->instruction 657 << legionInst->disassemble(lgnPc, debugSymbolTable) 658 << endl << endl; 659 660 printSectionHeader(outs, "General State"); 661 printColumnLabels(outs); 662 printRegPair(outs, "HPstate", 663 thread->readMiscRegNoEffect(MISCREG_HPSTATE), 664 shared_data->hpstate | (1 << 11)); 665 printRegPair(outs, "Htba", 666 thread->readMiscRegNoEffect(MISCREG_HTBA), 667 shared_data->htba); 668 printRegPair(outs, "Pstate", 669 thread->readMiscRegNoEffect(MISCREG_PSTATE), 670 shared_data->pstate); 671 printRegPair(outs, "Y", 672 //thread->readMiscRegNoEffect(MISCREG_Y), 673 thread->readIntReg(NumIntArchRegs + 1), 674 shared_data->y); 675 printRegPair(outs, "FSR", 676 thread->readMiscRegNoEffect(MISCREG_FSR), 677 shared_data->fsr); 678 printRegPair(outs, "Ccr", 679 //thread->readMiscRegNoEffect(MISCREG_CCR), 680 thread->readIntReg(NumIntArchRegs + 2), 681 shared_data->ccr); 682 printRegPair(outs, "Tl", 683 thread->readMiscRegNoEffect(MISCREG_TL), 684 shared_data->tl); 685 printRegPair(outs, "Gl", 686 thread->readMiscRegNoEffect(MISCREG_GL), 687 shared_data->gl); 688 printRegPair(outs, "Asi", 689 thread->readMiscRegNoEffect(MISCREG_ASI), 690 shared_data->asi); 691 printRegPair(outs, "Pil", 692 thread->readMiscRegNoEffect(MISCREG_PIL), 693 shared_data->pil); 694 printRegPair(outs, "Cwp", 695 thread->readMiscRegNoEffect(MISCREG_CWP), 696 shared_data->cwp); 697 printRegPair(outs, "Cansave", 698 //thread->readMiscRegNoEffect(MISCREG_CANSAVE), 699 thread->readIntReg(NumIntArchRegs + 3), 700 shared_data->cansave); 701 printRegPair(outs, "Canrestore", 702 //thread->readMiscRegNoEffect(MISCREG_CANRESTORE), 703 thread->readIntReg(NumIntArchRegs + 4), 704 shared_data->canrestore); 705 printRegPair(outs, "Otherwin", 706 //thread->readMiscRegNoEffect(MISCREG_OTHERWIN), 707 thread->readIntReg(NumIntArchRegs + 6), 708 shared_data->otherwin); 709 printRegPair(outs, "Cleanwin", 710 //thread->readMiscRegNoEffect(MISCREG_CLEANWIN), 711 thread->readIntReg(NumIntArchRegs + 5), 712 shared_data->cleanwin); 713 outs << endl; 714 for (int i = 1; i <= MaxTL; i++) { 715 printLevelHeader(outs, i); 716 printColumnLabels(outs); 717 thread->setMiscRegNoEffect(MISCREG_TL, i); 718 printRegPair(outs, "Tpc", 719 thread->readMiscRegNoEffect(MISCREG_TPC), 720 shared_data->tpc[i-1]); 721 printRegPair(outs, "Tnpc", 722 thread->readMiscRegNoEffect(MISCREG_TNPC), 723 shared_data->tnpc[i-1]); 724 printRegPair(outs, "Tstate", 725 thread->readMiscRegNoEffect(MISCREG_TSTATE), 726 shared_data->tstate[i-1]); 727 printRegPair(outs, "Tt", 728 thread->readMiscRegNoEffect(MISCREG_TT), 729 shared_data->tt[i-1]); 730 printRegPair(outs, "Htstate", 731 thread->readMiscRegNoEffect(MISCREG_HTSTATE), 732 shared_data->htstate[i-1]); 733 } 734 thread->setMiscRegNoEffect(MISCREG_TL, oldTl); 735 outs << endl; 736 737 printSectionHeader(outs, "General Purpose Registers"); 738 static const char * regtypes[4] = {"%g", "%o", "%l", "%i"}; 739 for(int y = 0; y < 4; y++) { 740 for(int x = 0; x < 8; x++) { 741 char label[8]; 742 sprintf(label, "%s%d", regtypes[y], x); 743 printRegPair(outs, label, 744 thread->readIntReg(y*8+x), 745 shared_data->intregs[y*8+x]); 746 } 747 } 748 if (diffFpRegs) { 749 for (int x = 0; x < 32; x++) { 750 char label[8]; 751 sprintf(label, "%%f%d", x); 752 printRegPair(outs, label, 753 thread->readFloatRegBits(x*2,FloatRegFile::DoubleWidth), 754 shared_data->fpregs[x]); 755 } 756 } 757 if (diffTlb) { 758 printColumnLabels(outs); 759 char label[8]; 760 for (int x = 0; x < 64; x++) { 761 if (shared_data->itb[x] != ULL(0xFFFFFFFFFFFFFFFF) || 762 thread->getITBPtr()->TteRead(x) != ULL(0xFFFFFFFFFFFFFFFF)) { 763 sprintf(label, "I-TLB:%02d", x); 764 printRegPair(outs, label, thread->getITBPtr()->TteRead(x), 765 shared_data->itb[x]); 766 } 767 } 768 for (int x = 0; x < 64; x++) { 769 if (shared_data->dtb[x] != ULL(0xFFFFFFFFFFFFFFFF) || 770 thread->getDTBPtr()->TteRead(x) != ULL(0xFFFFFFFFFFFFFFFF)) { 771 sprintf(label, "D-TLB:%02d", x); 772 printRegPair(outs, label, thread->getDTBPtr()->TteRead(x), 773 shared_data->dtb[x]); 774 } 775 } 776 thread->getITBPtr()->dumpAll(); 777 thread->getDTBPtr()->dumpAll(); 778 } 779 780 diffcount++; 781 if (diffcount > 3) 782 fatal("Differences found between Legion and M5\n"); 783 } else 784 diffcount = 0; 785 786 compared = true; 787 shared_data->flags = OWN_LEGION; 788 } 789 } // while 790 } // if not microop 791 } 792#endif 793} 794 795/* namespace Trace */ } 796