tlb.cc revision 5086
14997Sgblack@eecs.umich.edu/* 24997Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 34997Sgblack@eecs.umich.edu * All rights reserved. 44997Sgblack@eecs.umich.edu * 54997Sgblack@eecs.umich.edu * Redistribution and use of this software in source and binary forms, 64997Sgblack@eecs.umich.edu * with or without modification, are permitted provided that the 74997Sgblack@eecs.umich.edu * following conditions are met: 84997Sgblack@eecs.umich.edu * 94997Sgblack@eecs.umich.edu * The software must be used only for Non-Commercial Use which means any 104997Sgblack@eecs.umich.edu * use which is NOT directed to receiving any direct monetary 114997Sgblack@eecs.umich.edu * compensation for, or commercial advantage from such use. Illustrative 124997Sgblack@eecs.umich.edu * examples of non-commercial use are academic research, personal study, 134997Sgblack@eecs.umich.edu * teaching, education and corporate research & development. 144997Sgblack@eecs.umich.edu * Illustrative examples of commercial use are distributing products for 154997Sgblack@eecs.umich.edu * commercial advantage and providing services using the software for 164997Sgblack@eecs.umich.edu * commercial advantage. 174997Sgblack@eecs.umich.edu * 184997Sgblack@eecs.umich.edu * If you wish to use this software or functionality therein that may be 194997Sgblack@eecs.umich.edu * covered by patents for commercial use, please contact: 204997Sgblack@eecs.umich.edu * Director of Intellectual Property Licensing 214997Sgblack@eecs.umich.edu * Office of Strategy and Technology 224997Sgblack@eecs.umich.edu * Hewlett-Packard Company 234997Sgblack@eecs.umich.edu * 1501 Page Mill Road 244997Sgblack@eecs.umich.edu * Palo Alto, California 94304 254997Sgblack@eecs.umich.edu * 264997Sgblack@eecs.umich.edu * Redistributions of source code must retain the above copyright notice, 274997Sgblack@eecs.umich.edu * this list of conditions and the following disclaimer. Redistributions 284997Sgblack@eecs.umich.edu * in binary form must reproduce the above copyright notice, this list of 294997Sgblack@eecs.umich.edu * conditions and the following disclaimer in the documentation and/or 304997Sgblack@eecs.umich.edu * other materials provided with the distribution. Neither the name of 314997Sgblack@eecs.umich.edu * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 324997Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 334997Sgblack@eecs.umich.edu * this software without specific prior written permission. No right of 344997Sgblack@eecs.umich.edu * sublicense is granted herewith. Derivatives of the software and 354997Sgblack@eecs.umich.edu * output created using the software may be prepared, but only for 364997Sgblack@eecs.umich.edu * Non-Commercial Uses. Derivatives of the software may be shared with 374997Sgblack@eecs.umich.edu * others provided: (i) the others agree to abide by the list of 384997Sgblack@eecs.umich.edu * conditions herein which includes the Non-Commercial Use restrictions; 394997Sgblack@eecs.umich.edu * and (ii) such Derivatives of the software include the above copyright 404997Sgblack@eecs.umich.edu * notice to acknowledge the contribution from this software where 414997Sgblack@eecs.umich.edu * applicable, this list of conditions and the disclaimer below. 424997Sgblack@eecs.umich.edu * 434997Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 444997Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 454997Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 464997Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 474997Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484997Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494997Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504997Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514997Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524997Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534997Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544997Sgblack@eecs.umich.edu * 554997Sgblack@eecs.umich.edu * Authors: Gabe Black 564997Sgblack@eecs.umich.edu */ 574997Sgblack@eecs.umich.edu 584997Sgblack@eecs.umich.edu#include <cstring> 594997Sgblack@eecs.umich.edu 605086Sgblack@eecs.umich.edu#include "config/full_system.hh" 615086Sgblack@eecs.umich.edu 625086Sgblack@eecs.umich.edu#if FULL_SYSTEM 635086Sgblack@eecs.umich.edu 645086Sgblack@eecs.umich.edu#include "arch/x86/tlb.hh" 655086Sgblack@eecs.umich.edu#include "base/bitfield.hh" 665086Sgblack@eecs.umich.edu#include "base/trace.hh" 675086Sgblack@eecs.umich.edu#include "cpu/thread_context.hh" 685086Sgblack@eecs.umich.edu#include "cpu/base.hh" 695086Sgblack@eecs.umich.edu#include "mem/packet_access.hh" 705086Sgblack@eecs.umich.edu#include "mem/request.hh" 715086Sgblack@eecs.umich.edu#include "sim/system.hh" 725086Sgblack@eecs.umich.edu 735086Sgblack@eecs.umich.edunamespace X86ISA { 745086Sgblack@eecs.umich.edu 755086Sgblack@eecs.umich.eduTLB::TLB(const Params *p) : SimObject(p) 765086Sgblack@eecs.umich.edu{ 775086Sgblack@eecs.umich.edu} 785086Sgblack@eecs.umich.edu 795086Sgblack@eecs.umich.eduFault 805086Sgblack@eecs.umich.eduITB::translate(RequestPtr &req, ThreadContext *tc) 815086Sgblack@eecs.umich.edu{ 825086Sgblack@eecs.umich.edu return NoFault; 835086Sgblack@eecs.umich.edu} 845086Sgblack@eecs.umich.edu 855086Sgblack@eecs.umich.edu 865086Sgblack@eecs.umich.edu 875086Sgblack@eecs.umich.eduFault 885086Sgblack@eecs.umich.eduDTB::translate(RequestPtr &req, ThreadContext *tc, bool write) 895086Sgblack@eecs.umich.edu{ 905086Sgblack@eecs.umich.edu return NoFault; 915086Sgblack@eecs.umich.edu}; 925086Sgblack@eecs.umich.edu 935086Sgblack@eecs.umich.edu#if FULL_SYSTEM 945086Sgblack@eecs.umich.edu 955086Sgblack@eecs.umich.eduTick 965086Sgblack@eecs.umich.eduDTB::doMmuRegRead(ThreadContext *tc, Packet *pkt) 975086Sgblack@eecs.umich.edu{ 985086Sgblack@eecs.umich.edu return tc->getCpuPtr()->cycles(1); 995086Sgblack@eecs.umich.edu} 1005086Sgblack@eecs.umich.edu 1015086Sgblack@eecs.umich.eduTick 1025086Sgblack@eecs.umich.eduDTB::doMmuRegWrite(ThreadContext *tc, Packet *pkt) 1035086Sgblack@eecs.umich.edu{ 1045086Sgblack@eecs.umich.edu return tc->getCpuPtr()->cycles(1); 1055086Sgblack@eecs.umich.edu} 1065086Sgblack@eecs.umich.edu 1075086Sgblack@eecs.umich.edu#endif 1085086Sgblack@eecs.umich.edu 1095086Sgblack@eecs.umich.eduvoid 1105086Sgblack@eecs.umich.eduTLB::serialize(std::ostream &os) 1115086Sgblack@eecs.umich.edu{ 1125086Sgblack@eecs.umich.edu} 1135086Sgblack@eecs.umich.edu 1145086Sgblack@eecs.umich.eduvoid 1155086Sgblack@eecs.umich.eduTLB::unserialize(Checkpoint *cp, const std::string §ion) 1165086Sgblack@eecs.umich.edu{ 1175086Sgblack@eecs.umich.edu} 1185086Sgblack@eecs.umich.edu 1195086Sgblack@eecs.umich.eduvoid 1205086Sgblack@eecs.umich.eduDTB::serialize(std::ostream &os) 1215086Sgblack@eecs.umich.edu{ 1225086Sgblack@eecs.umich.edu TLB::serialize(os); 1235086Sgblack@eecs.umich.edu} 1245086Sgblack@eecs.umich.edu 1255086Sgblack@eecs.umich.eduvoid 1265086Sgblack@eecs.umich.eduDTB::unserialize(Checkpoint *cp, const std::string §ion) 1275086Sgblack@eecs.umich.edu{ 1285086Sgblack@eecs.umich.edu TLB::unserialize(cp, section); 1295086Sgblack@eecs.umich.edu} 1305086Sgblack@eecs.umich.edu 1315086Sgblack@eecs.umich.edu/* end namespace X86ISA */ } 1325086Sgblack@eecs.umich.edu 1335086Sgblack@eecs.umich.edu#else 1345086Sgblack@eecs.umich.edu 1355086Sgblack@eecs.umich.edu#include <cstring> 1365086Sgblack@eecs.umich.edu 1374997Sgblack@eecs.umich.edu#include "arch/x86/tlb.hh" 1384997Sgblack@eecs.umich.edu#include "params/X86DTB.hh" 1394997Sgblack@eecs.umich.edu#include "params/X86ITB.hh" 1405004Sgblack@eecs.umich.edu#include "sim/serialize.hh" 1414997Sgblack@eecs.umich.edu 1424997Sgblack@eecs.umich.edunamespace X86ISA { 1435004Sgblack@eecs.umich.edu void 1445004Sgblack@eecs.umich.edu TlbEntry::serialize(std::ostream &os) 1455004Sgblack@eecs.umich.edu { 1465004Sgblack@eecs.umich.edu SERIALIZE_SCALAR(pageStart); 1475004Sgblack@eecs.umich.edu } 1485004Sgblack@eecs.umich.edu 1495004Sgblack@eecs.umich.edu void 1505004Sgblack@eecs.umich.edu TlbEntry::unserialize(Checkpoint *cp, const std::string §ion) 1515004Sgblack@eecs.umich.edu { 1525004Sgblack@eecs.umich.edu UNSERIALIZE_SCALAR(pageStart); 1535004Sgblack@eecs.umich.edu } 1544997Sgblack@eecs.umich.edu}; 1554997Sgblack@eecs.umich.edu 1565086Sgblack@eecs.umich.edu#endif 1575086Sgblack@eecs.umich.edu 1584997Sgblack@eecs.umich.eduX86ISA::ITB * 1594997Sgblack@eecs.umich.eduX86ITBParams::create() 1604997Sgblack@eecs.umich.edu{ 1615038Sgblack@eecs.umich.edu return new X86ISA::ITB(this); 1624997Sgblack@eecs.umich.edu} 1634997Sgblack@eecs.umich.edu 1644997Sgblack@eecs.umich.eduX86ISA::DTB * 1654997Sgblack@eecs.umich.eduX86DTBParams::create() 1664997Sgblack@eecs.umich.edu{ 1675038Sgblack@eecs.umich.edu return new X86ISA::DTB(this); 1684997Sgblack@eecs.umich.edu} 169