thread_state.cc revision 3565
12689Sktlim@umich.edu/* 22689Sktlim@umich.edu * Copyright (c) 2006 The Regents of The University of Michigan 32689Sktlim@umich.edu * All rights reserved. 42689Sktlim@umich.edu * 52689Sktlim@umich.edu * Redistribution and use in source and binary forms, with or without 62689Sktlim@umich.edu * modification, are permitted provided that the following conditions are 72689Sktlim@umich.edu * met: redistributions of source code must retain the above copyright 82689Sktlim@umich.edu * notice, this list of conditions and the following disclaimer; 92689Sktlim@umich.edu * redistributions in binary form must reproduce the above copyright 102689Sktlim@umich.edu * notice, this list of conditions and the following disclaimer in the 112689Sktlim@umich.edu * documentation and/or other materials provided with the distribution; 122689Sktlim@umich.edu * neither the name of the copyright holders nor the names of its 132689Sktlim@umich.edu * contributors may be used to endorse or promote products derived from 142689Sktlim@umich.edu * this software without specific prior written permission. 152689Sktlim@umich.edu * 162689Sktlim@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172689Sktlim@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182689Sktlim@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192689Sktlim@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202689Sktlim@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212689Sktlim@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222689Sktlim@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232689Sktlim@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242689Sktlim@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252689Sktlim@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262689Sktlim@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272689Sktlim@umich.edu * 282689Sktlim@umich.edu * Authors: Kevin Lim 292689Sktlim@umich.edu */ 302689Sktlim@umich.edu 312683Sktlim@umich.edu#include "base/output.hh" 323402Sktlim@umich.edu#include "cpu/base.hh" 332683Sktlim@umich.edu#include "cpu/profile.hh" 342683Sktlim@umich.edu#include "cpu/thread_state.hh" 353402Sktlim@umich.edu#include "mem/port.hh" 363402Sktlim@umich.edu#include "mem/translating_port.hh" 372862Sktlim@umich.edu#include "sim/serialize.hh" 382862Sktlim@umich.edu 392862Sktlim@umich.edu#if FULL_SYSTEM 403565Sgblack@eecs.umich.edu#include "arch/kernel_stats.hh" 412862Sktlim@umich.edu#include "cpu/quiesce_event.hh" 422862Sktlim@umich.edu#endif 432683Sktlim@umich.edu 442683Sktlim@umich.edu#if FULL_SYSTEM 453402Sktlim@umich.eduThreadState::ThreadState(BaseCPU *cpu, int _cpuId, int _tid) 463402Sktlim@umich.edu : baseCpu(cpu), cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), 472683Sktlim@umich.edu profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), 483402Sktlim@umich.edu physPort(NULL), virtPort(NULL), 493280Sgblack@eecs.umich.edu microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0) 502683Sktlim@umich.edu#else 513402Sktlim@umich.eduThreadState::ThreadState(BaseCPU *cpu, int _cpuId, int _tid, Process *_process, 523402Sktlim@umich.edu short _asid) 533402Sktlim@umich.edu : baseCpu(cpu), cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), 543402Sktlim@umich.edu port(NULL), process(_process), asid(_asid), 553280Sgblack@eecs.umich.edu microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0) 562683Sktlim@umich.edu#endif 572683Sktlim@umich.edu{ 582699Sktlim@umich.edu numInst = 0; 592699Sktlim@umich.edu numLoad = 0; 602683Sktlim@umich.edu} 612683Sktlim@umich.edu 623486Sktlim@umich.eduThreadState::~ThreadState() 633486Sktlim@umich.edu{ 643486Sktlim@umich.edu#if !FULL_SYSTEM 653486Sktlim@umich.edu if (port) { 663486Sktlim@umich.edu delete port->getPeer(); 673486Sktlim@umich.edu delete port; 683486Sktlim@umich.edu } 693486Sktlim@umich.edu#endif 703486Sktlim@umich.edu} 713486Sktlim@umich.edu 722862Sktlim@umich.eduvoid 732862Sktlim@umich.eduThreadState::serialize(std::ostream &os) 742862Sktlim@umich.edu{ 752862Sktlim@umich.edu SERIALIZE_ENUM(_status); 762862Sktlim@umich.edu // thread_num and cpu_id are deterministic from the config 772862Sktlim@umich.edu SERIALIZE_SCALAR(funcExeInst); 782862Sktlim@umich.edu SERIALIZE_SCALAR(inst); 793442Sgblack@eecs.umich.edu SERIALIZE_SCALAR(microPC); 803442Sgblack@eecs.umich.edu SERIALIZE_SCALAR(nextMicroPC); 812862Sktlim@umich.edu 822862Sktlim@umich.edu#if FULL_SYSTEM 832862Sktlim@umich.edu Tick quiesceEndTick = 0; 842862Sktlim@umich.edu if (quiesceEvent->scheduled()) 852862Sktlim@umich.edu quiesceEndTick = quiesceEvent->when(); 862862Sktlim@umich.edu SERIALIZE_SCALAR(quiesceEndTick); 872862Sktlim@umich.edu if (kernelStats) 882862Sktlim@umich.edu kernelStats->serialize(os); 892862Sktlim@umich.edu#endif 902862Sktlim@umich.edu} 912862Sktlim@umich.edu 922862Sktlim@umich.eduvoid 932862Sktlim@umich.eduThreadState::unserialize(Checkpoint *cp, const std::string §ion) 942862Sktlim@umich.edu{ 952862Sktlim@umich.edu 962862Sktlim@umich.edu UNSERIALIZE_ENUM(_status); 972862Sktlim@umich.edu // thread_num and cpu_id are deterministic from the config 982862Sktlim@umich.edu UNSERIALIZE_SCALAR(funcExeInst); 992862Sktlim@umich.edu UNSERIALIZE_SCALAR(inst); 1003442Sgblack@eecs.umich.edu UNSERIALIZE_SCALAR(microPC); 1013442Sgblack@eecs.umich.edu UNSERIALIZE_SCALAR(nextMicroPC); 1022862Sktlim@umich.edu 1032862Sktlim@umich.edu#if FULL_SYSTEM 1042862Sktlim@umich.edu Tick quiesceEndTick; 1052862Sktlim@umich.edu UNSERIALIZE_SCALAR(quiesceEndTick); 1062862Sktlim@umich.edu if (quiesceEndTick) 1072862Sktlim@umich.edu quiesceEvent->schedule(quiesceEndTick); 1082862Sktlim@umich.edu if (kernelStats) 1092862Sktlim@umich.edu kernelStats->unserialize(cp, section); 1102862Sktlim@umich.edu#endif 1112862Sktlim@umich.edu} 1122862Sktlim@umich.edu 1132683Sktlim@umich.edu#if FULL_SYSTEM 1142683Sktlim@umich.edu 1152683Sktlim@umich.eduvoid 1162683Sktlim@umich.eduThreadState::profileClear() 1172683Sktlim@umich.edu{ 1182683Sktlim@umich.edu if (profile) 1192683Sktlim@umich.edu profile->clear(); 1202683Sktlim@umich.edu} 1212683Sktlim@umich.edu 1222683Sktlim@umich.eduvoid 1232683Sktlim@umich.eduThreadState::profileSample() 1242683Sktlim@umich.edu{ 1252683Sktlim@umich.edu if (profile) 1262683Sktlim@umich.edu profile->sample(profileNode, profilePC); 1272683Sktlim@umich.edu} 1282683Sktlim@umich.edu 1293402Sktlim@umich.edu#else 1303402Sktlim@umich.eduTranslatingPort * 1313402Sktlim@umich.eduThreadState::getMemPort() 1323402Sktlim@umich.edu{ 1333402Sktlim@umich.edu if (port != NULL) 1343402Sktlim@umich.edu return port; 1353402Sktlim@umich.edu 1363402Sktlim@umich.edu /* Use this port to for syscall emulation writes to memory. */ 1373402Sktlim@umich.edu port = new TranslatingPort(csprintf("%s-%d-funcport", 1383402Sktlim@umich.edu baseCpu->name(), tid), 1393402Sktlim@umich.edu process->pTable, false); 1403402Sktlim@umich.edu 1413486Sktlim@umich.edu Port *func_port = getMemFuncPort(); 1423486Sktlim@umich.edu 1433486Sktlim@umich.edu func_port->setPeer(port); 1443486Sktlim@umich.edu port->setPeer(func_port); 1453486Sktlim@umich.edu 1463486Sktlim@umich.edu return port; 1473486Sktlim@umich.edu} 1483486Sktlim@umich.edu#endif 1493486Sktlim@umich.edu 1503486Sktlim@umich.eduPort * 1513486Sktlim@umich.eduThreadState::getMemFuncPort() 1523486Sktlim@umich.edu{ 1533486Sktlim@umich.edu Port *dcache_port, *func_mem_port; 1543486Sktlim@umich.edu 1553402Sktlim@umich.edu dcache_port = baseCpu->getPort("dcache_port"); 1563402Sktlim@umich.edu assert(dcache_port != NULL); 1573402Sktlim@umich.edu 1583402Sktlim@umich.edu MemObject *mem_object = dcache_port->getPeer()->getOwner(); 1593402Sktlim@umich.edu assert(mem_object != NULL); 1603402Sktlim@umich.edu 1613402Sktlim@umich.edu func_mem_port = mem_object->getPort("functional"); 1623402Sktlim@umich.edu assert(func_mem_port != NULL); 1633402Sktlim@umich.edu 1643486Sktlim@umich.edu return func_mem_port; 1653402Sktlim@umich.edu} 166