thread_state.cc revision 6324
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" 423675Sktlim@umich.edu#include "mem/vport.hh" 432862Sktlim@umich.edu#endif 442683Sktlim@umich.edu 452683Sktlim@umich.edu#if FULL_SYSTEM 466221Snate@binkert.orgThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid) 476031Ssteve.reinhardt@amd.com#else 486221Snate@binkert.orgThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid, 496031Ssteve.reinhardt@amd.com Process *_process, short _asid) 506031Ssteve.reinhardt@amd.com#endif 516031Ssteve.reinhardt@amd.com : numInst(0), numLoad(0), _status(ThreadContext::Halted), 526031Ssteve.reinhardt@amd.com baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0), 536031Ssteve.reinhardt@amd.com#if FULL_SYSTEM 542683Sktlim@umich.edu profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), 555482Snate@binkert.org kernelStats(NULL), physPort(NULL), virtPort(NULL), 566031Ssteve.reinhardt@amd.com#else 576031Ssteve.reinhardt@amd.com port(NULL), process(_process), asid(_asid), 586031Ssteve.reinhardt@amd.com#endif 596324Sgblack@eecs.umich.edu funcExeInst(0), storeCondFailures(0) 602683Sktlim@umich.edu{ 612683Sktlim@umich.edu} 622683Sktlim@umich.edu 633486Sktlim@umich.eduThreadState::~ThreadState() 643486Sktlim@umich.edu{ 653486Sktlim@umich.edu#if !FULL_SYSTEM 663486Sktlim@umich.edu if (port) { 673486Sktlim@umich.edu delete port->getPeer(); 683486Sktlim@umich.edu delete port; 693486Sktlim@umich.edu } 703486Sktlim@umich.edu#endif 713486Sktlim@umich.edu} 723486Sktlim@umich.edu 732862Sktlim@umich.eduvoid 742862Sktlim@umich.eduThreadState::serialize(std::ostream &os) 752862Sktlim@umich.edu{ 762862Sktlim@umich.edu SERIALIZE_ENUM(_status); 772862Sktlim@umich.edu // thread_num and cpu_id are deterministic from the config 782862Sktlim@umich.edu SERIALIZE_SCALAR(funcExeInst); 792862Sktlim@umich.edu SERIALIZE_SCALAR(inst); 802862Sktlim@umich.edu 812862Sktlim@umich.edu#if FULL_SYSTEM 822862Sktlim@umich.edu Tick quiesceEndTick = 0; 832862Sktlim@umich.edu if (quiesceEvent->scheduled()) 842862Sktlim@umich.edu quiesceEndTick = quiesceEvent->when(); 852862Sktlim@umich.edu SERIALIZE_SCALAR(quiesceEndTick); 862862Sktlim@umich.edu if (kernelStats) 872862Sktlim@umich.edu kernelStats->serialize(os); 882862Sktlim@umich.edu#endif 892862Sktlim@umich.edu} 902862Sktlim@umich.edu 912862Sktlim@umich.eduvoid 922862Sktlim@umich.eduThreadState::unserialize(Checkpoint *cp, const std::string §ion) 932862Sktlim@umich.edu{ 942862Sktlim@umich.edu 952862Sktlim@umich.edu UNSERIALIZE_ENUM(_status); 962862Sktlim@umich.edu // thread_num and cpu_id are deterministic from the config 972862Sktlim@umich.edu UNSERIALIZE_SCALAR(funcExeInst); 982862Sktlim@umich.edu UNSERIALIZE_SCALAR(inst); 992862Sktlim@umich.edu 1002862Sktlim@umich.edu#if FULL_SYSTEM 1012862Sktlim@umich.edu Tick quiesceEndTick; 1022862Sktlim@umich.edu UNSERIALIZE_SCALAR(quiesceEndTick); 1032862Sktlim@umich.edu if (quiesceEndTick) 1045606Snate@binkert.org baseCpu->schedule(quiesceEvent, quiesceEndTick); 1052862Sktlim@umich.edu if (kernelStats) 1062862Sktlim@umich.edu kernelStats->unserialize(cp, section); 1072862Sktlim@umich.edu#endif 1082862Sktlim@umich.edu} 1092862Sktlim@umich.edu 1102683Sktlim@umich.edu#if FULL_SYSTEM 1113675Sktlim@umich.eduvoid 1125497Ssaidi@eecs.umich.eduThreadState::connectMemPorts(ThreadContext *tc) 1133675Sktlim@umich.edu{ 1143686Sktlim@umich.edu connectPhysPort(); 1155497Ssaidi@eecs.umich.edu connectVirtPort(tc); 1163675Sktlim@umich.edu} 1173675Sktlim@umich.edu 1183675Sktlim@umich.eduvoid 1193686Sktlim@umich.eduThreadState::connectPhysPort() 1203675Sktlim@umich.edu{ 1213686Sktlim@umich.edu // @todo: For now this disregards any older port that may have 1223686Sktlim@umich.edu // already existed. Fix this memory leak once the bus port IDs 1233686Sktlim@umich.edu // for functional ports is resolved. 1244190Ssaidi@eecs.umich.edu if (physPort) 1255494Sstever@gmail.com physPort->removeConn(); 1264190Ssaidi@eecs.umich.edu else 1274190Ssaidi@eecs.umich.edu physPort = new FunctionalPort(csprintf("%s-%d-funcport", 1285715Shsul@eecs.umich.edu baseCpu->name(), _threadId)); 1293675Sktlim@umich.edu connectToMemFunc(physPort); 1303675Sktlim@umich.edu} 1313675Sktlim@umich.edu 1323675Sktlim@umich.eduvoid 1335497Ssaidi@eecs.umich.eduThreadState::connectVirtPort(ThreadContext *tc) 1343675Sktlim@umich.edu{ 1353686Sktlim@umich.edu // @todo: For now this disregards any older port that may have 1363686Sktlim@umich.edu // already existed. Fix this memory leak once the bus port IDs 1373686Sktlim@umich.edu // for functional ports is resolved. 1384190Ssaidi@eecs.umich.edu if (virtPort) 1395494Sstever@gmail.com virtPort->removeConn(); 1404190Ssaidi@eecs.umich.edu else 1414190Ssaidi@eecs.umich.edu virtPort = new VirtualPort(csprintf("%s-%d-vport", 1425715Shsul@eecs.umich.edu baseCpu->name(), _threadId), tc); 1433675Sktlim@umich.edu connectToMemFunc(virtPort); 1443675Sktlim@umich.edu} 1452683Sktlim@umich.edu 1462683Sktlim@umich.eduvoid 1472683Sktlim@umich.eduThreadState::profileClear() 1482683Sktlim@umich.edu{ 1492683Sktlim@umich.edu if (profile) 1502683Sktlim@umich.edu profile->clear(); 1512683Sktlim@umich.edu} 1522683Sktlim@umich.edu 1532683Sktlim@umich.eduvoid 1542683Sktlim@umich.eduThreadState::profileSample() 1552683Sktlim@umich.edu{ 1562683Sktlim@umich.edu if (profile) 1572683Sktlim@umich.edu profile->sample(profileNode, profilePC); 1582683Sktlim@umich.edu} 1592683Sktlim@umich.edu 1603402Sktlim@umich.edu#else 1613402Sktlim@umich.eduTranslatingPort * 1623402Sktlim@umich.eduThreadState::getMemPort() 1633402Sktlim@umich.edu{ 1643402Sktlim@umich.edu if (port != NULL) 1653402Sktlim@umich.edu return port; 1663402Sktlim@umich.edu 1673402Sktlim@umich.edu /* Use this port to for syscall emulation writes to memory. */ 1685715Shsul@eecs.umich.edu port = new TranslatingPort(csprintf("%s-%d-funcport", baseCpu->name(), _threadId), 1694434Ssaidi@eecs.umich.edu process, TranslatingPort::NextPage); 1703402Sktlim@umich.edu 1713675Sktlim@umich.edu connectToMemFunc(port); 1723486Sktlim@umich.edu 1733486Sktlim@umich.edu return port; 1743486Sktlim@umich.edu} 1753486Sktlim@umich.edu#endif 1763486Sktlim@umich.edu 1773675Sktlim@umich.eduvoid 1783675Sktlim@umich.eduThreadState::connectToMemFunc(Port *port) 1793486Sktlim@umich.edu{ 1803486Sktlim@umich.edu Port *dcache_port, *func_mem_port; 1813486Sktlim@umich.edu 1823402Sktlim@umich.edu dcache_port = baseCpu->getPort("dcache_port"); 1833402Sktlim@umich.edu assert(dcache_port != NULL); 1843402Sktlim@umich.edu 1853402Sktlim@umich.edu MemObject *mem_object = dcache_port->getPeer()->getOwner(); 1863402Sktlim@umich.edu assert(mem_object != NULL); 1873402Sktlim@umich.edu 1883402Sktlim@umich.edu func_mem_port = mem_object->getPort("functional"); 1893402Sktlim@umich.edu assert(func_mem_port != NULL); 1903402Sktlim@umich.edu 1913675Sktlim@umich.edu func_mem_port->setPeer(port); 1923675Sktlim@umich.edu port->setPeer(func_mem_port); 1933402Sktlim@umich.edu} 194