thread_state.cc revision 7679
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 486331Sgblack@eecs.umich.eduThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process) 496031Ssteve.reinhardt@amd.com#endif 506031Ssteve.reinhardt@amd.com : numInst(0), numLoad(0), _status(ThreadContext::Halted), 516031Ssteve.reinhardt@amd.com baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0), 526031Ssteve.reinhardt@amd.com#if FULL_SYSTEM 532683Sktlim@umich.edu profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), 545482Snate@binkert.org kernelStats(NULL), physPort(NULL), virtPort(NULL), 556031Ssteve.reinhardt@amd.com#else 566331Sgblack@eecs.umich.edu port(NULL), process(_process), 576031Ssteve.reinhardt@amd.com#endif 586324Sgblack@eecs.umich.edu funcExeInst(0), storeCondFailures(0) 592683Sktlim@umich.edu{ 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 792862Sktlim@umich.edu#if FULL_SYSTEM 802862Sktlim@umich.edu Tick quiesceEndTick = 0; 812862Sktlim@umich.edu if (quiesceEvent->scheduled()) 822862Sktlim@umich.edu quiesceEndTick = quiesceEvent->when(); 832862Sktlim@umich.edu SERIALIZE_SCALAR(quiesceEndTick); 842862Sktlim@umich.edu if (kernelStats) 852862Sktlim@umich.edu kernelStats->serialize(os); 862862Sktlim@umich.edu#endif 872862Sktlim@umich.edu} 882862Sktlim@umich.edu 892862Sktlim@umich.eduvoid 902862Sktlim@umich.eduThreadState::unserialize(Checkpoint *cp, const std::string §ion) 912862Sktlim@umich.edu{ 922862Sktlim@umich.edu 932862Sktlim@umich.edu UNSERIALIZE_ENUM(_status); 942862Sktlim@umich.edu // thread_num and cpu_id are deterministic from the config 952862Sktlim@umich.edu UNSERIALIZE_SCALAR(funcExeInst); 962862Sktlim@umich.edu 972862Sktlim@umich.edu#if FULL_SYSTEM 982862Sktlim@umich.edu Tick quiesceEndTick; 992862Sktlim@umich.edu UNSERIALIZE_SCALAR(quiesceEndTick); 1002862Sktlim@umich.edu if (quiesceEndTick) 1015606Snate@binkert.org baseCpu->schedule(quiesceEvent, quiesceEndTick); 1022862Sktlim@umich.edu if (kernelStats) 1032862Sktlim@umich.edu kernelStats->unserialize(cp, section); 1042862Sktlim@umich.edu#endif 1052862Sktlim@umich.edu} 1062862Sktlim@umich.edu 1072683Sktlim@umich.edu#if FULL_SYSTEM 1083675Sktlim@umich.eduvoid 1095497Ssaidi@eecs.umich.eduThreadState::connectMemPorts(ThreadContext *tc) 1103675Sktlim@umich.edu{ 1113686Sktlim@umich.edu connectPhysPort(); 1125497Ssaidi@eecs.umich.edu connectVirtPort(tc); 1133675Sktlim@umich.edu} 1143675Sktlim@umich.edu 1153675Sktlim@umich.eduvoid 1163686Sktlim@umich.eduThreadState::connectPhysPort() 1173675Sktlim@umich.edu{ 1183686Sktlim@umich.edu // @todo: For now this disregards any older port that may have 1193686Sktlim@umich.edu // already existed. Fix this memory leak once the bus port IDs 1203686Sktlim@umich.edu // for functional ports is resolved. 1214190Ssaidi@eecs.umich.edu if (physPort) 1225494Sstever@gmail.com physPort->removeConn(); 1234190Ssaidi@eecs.umich.edu else 1244190Ssaidi@eecs.umich.edu physPort = new FunctionalPort(csprintf("%s-%d-funcport", 1255715Shsul@eecs.umich.edu baseCpu->name(), _threadId)); 1263675Sktlim@umich.edu connectToMemFunc(physPort); 1273675Sktlim@umich.edu} 1283675Sktlim@umich.edu 1293675Sktlim@umich.eduvoid 1305497Ssaidi@eecs.umich.eduThreadState::connectVirtPort(ThreadContext *tc) 1313675Sktlim@umich.edu{ 1323686Sktlim@umich.edu // @todo: For now this disregards any older port that may have 1333686Sktlim@umich.edu // already existed. Fix this memory leak once the bus port IDs 1343686Sktlim@umich.edu // for functional ports is resolved. 1354190Ssaidi@eecs.umich.edu if (virtPort) 1365494Sstever@gmail.com virtPort->removeConn(); 1374190Ssaidi@eecs.umich.edu else 1384190Ssaidi@eecs.umich.edu virtPort = new VirtualPort(csprintf("%s-%d-vport", 1395715Shsul@eecs.umich.edu baseCpu->name(), _threadId), tc); 1403675Sktlim@umich.edu connectToMemFunc(virtPort); 1413675Sktlim@umich.edu} 1422683Sktlim@umich.edu 1432683Sktlim@umich.eduvoid 1442683Sktlim@umich.eduThreadState::profileClear() 1452683Sktlim@umich.edu{ 1462683Sktlim@umich.edu if (profile) 1472683Sktlim@umich.edu profile->clear(); 1482683Sktlim@umich.edu} 1492683Sktlim@umich.edu 1502683Sktlim@umich.eduvoid 1512683Sktlim@umich.eduThreadState::profileSample() 1522683Sktlim@umich.edu{ 1532683Sktlim@umich.edu if (profile) 1542683Sktlim@umich.edu profile->sample(profileNode, profilePC); 1552683Sktlim@umich.edu} 1562683Sktlim@umich.edu 1573402Sktlim@umich.edu#else 1583402Sktlim@umich.eduTranslatingPort * 1593402Sktlim@umich.eduThreadState::getMemPort() 1603402Sktlim@umich.edu{ 1613402Sktlim@umich.edu if (port != NULL) 1623402Sktlim@umich.edu return port; 1633402Sktlim@umich.edu 1643402Sktlim@umich.edu /* Use this port to for syscall emulation writes to memory. */ 1655715Shsul@eecs.umich.edu port = new TranslatingPort(csprintf("%s-%d-funcport", baseCpu->name(), _threadId), 1664434Ssaidi@eecs.umich.edu process, TranslatingPort::NextPage); 1673402Sktlim@umich.edu 1683675Sktlim@umich.edu connectToMemFunc(port); 1693486Sktlim@umich.edu 1703486Sktlim@umich.edu return port; 1713486Sktlim@umich.edu} 1723486Sktlim@umich.edu#endif 1733486Sktlim@umich.edu 1743675Sktlim@umich.eduvoid 1753675Sktlim@umich.eduThreadState::connectToMemFunc(Port *port) 1763486Sktlim@umich.edu{ 1773486Sktlim@umich.edu Port *dcache_port, *func_mem_port; 1783486Sktlim@umich.edu 1793402Sktlim@umich.edu dcache_port = baseCpu->getPort("dcache_port"); 1803402Sktlim@umich.edu assert(dcache_port != NULL); 1813402Sktlim@umich.edu 1823402Sktlim@umich.edu MemObject *mem_object = dcache_port->getPeer()->getOwner(); 1833402Sktlim@umich.edu assert(mem_object != NULL); 1843402Sktlim@umich.edu 1853402Sktlim@umich.edu func_mem_port = mem_object->getPort("functional"); 1863402Sktlim@umich.edu assert(func_mem_port != NULL); 1873402Sktlim@umich.edu 1883675Sktlim@umich.edu func_mem_port->setPeer(port); 1893675Sktlim@umich.edu port->setPeer(func_mem_port); 1903402Sktlim@umich.edu} 191