tlb.hh revision 5086
14120Sgblack@eecs.umich.edu/* 24120Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 34120Sgblack@eecs.umich.edu * All rights reserved. 44120Sgblack@eecs.umich.edu * 54120Sgblack@eecs.umich.edu * Redistribution and use of this software in source and binary forms, 64120Sgblack@eecs.umich.edu * with or without modification, are permitted provided that the 74120Sgblack@eecs.umich.edu * following conditions are met: 84120Sgblack@eecs.umich.edu * 94120Sgblack@eecs.umich.edu * The software must be used only for Non-Commercial Use which means any 104120Sgblack@eecs.umich.edu * use which is NOT directed to receiving any direct monetary 114120Sgblack@eecs.umich.edu * compensation for, or commercial advantage from such use. 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IN NO EVENT SHALL THE COPYRIGHT 474120Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484120Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494120Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504120Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514120Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524120Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534120Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544120Sgblack@eecs.umich.edu * 554120Sgblack@eecs.umich.edu * Authors: Gabe Black 564120Sgblack@eecs.umich.edu */ 574120Sgblack@eecs.umich.edu 584120Sgblack@eecs.umich.edu#ifndef __ARCH_X86_TLB_HH__ 594120Sgblack@eecs.umich.edu#define __ARCH_X86_TLB_HH__ 604120Sgblack@eecs.umich.edu 615086Sgblack@eecs.umich.edu#include "config/full_system.hh" 625086Sgblack@eecs.umich.edu 635086Sgblack@eecs.umich.edu#if FULL_SYSTEM 645086Sgblack@eecs.umich.edu 655086Sgblack@eecs.umich.edu#include "mem/request.hh" 665086Sgblack@eecs.umich.edu#include "params/X86DTB.hh" 675086Sgblack@eecs.umich.edu#include "params/X86ITB.hh" 685086Sgblack@eecs.umich.edu#include "sim/faults.hh" 695086Sgblack@eecs.umich.edu#include "sim/sim_object.hh" 705086Sgblack@eecs.umich.edu 715086Sgblack@eecs.umich.educlass ThreadContext; 725086Sgblack@eecs.umich.educlass Packet; 735086Sgblack@eecs.umich.edu 745086Sgblack@eecs.umich.edunamespace X86ISA 755086Sgblack@eecs.umich.edu{ 765086Sgblack@eecs.umich.edu struct TlbEntry 775086Sgblack@eecs.umich.edu { 785086Sgblack@eecs.umich.edu Addr pageStart; 795086Sgblack@eecs.umich.edu TlbEntry() {} 805086Sgblack@eecs.umich.edu TlbEntry(Addr paddr) : pageStart(paddr) {} 815086Sgblack@eecs.umich.edu 825086Sgblack@eecs.umich.edu void serialize(std::ostream &os); 835086Sgblack@eecs.umich.edu void unserialize(Checkpoint *cp, const std::string §ion); 845086Sgblack@eecs.umich.edu }; 855086Sgblack@eecs.umich.edu 865086Sgblack@eecs.umich.educlass TLB : public SimObject 875086Sgblack@eecs.umich.edu{ 885086Sgblack@eecs.umich.edu public: 895086Sgblack@eecs.umich.edu typedef X86TLBParams Params; 905086Sgblack@eecs.umich.edu TLB(const Params *p); 915086Sgblack@eecs.umich.edu 925086Sgblack@eecs.umich.edu void dumpAll(); 935086Sgblack@eecs.umich.edu 945086Sgblack@eecs.umich.edu // Checkpointing 955086Sgblack@eecs.umich.edu virtual void serialize(std::ostream &os); 965086Sgblack@eecs.umich.edu virtual void unserialize(Checkpoint *cp, const std::string §ion); 975086Sgblack@eecs.umich.edu}; 985086Sgblack@eecs.umich.edu 995086Sgblack@eecs.umich.educlass ITB : public TLB 1005086Sgblack@eecs.umich.edu{ 1015086Sgblack@eecs.umich.edu public: 1025086Sgblack@eecs.umich.edu typedef X86ITBParams Params; 1035086Sgblack@eecs.umich.edu ITB(const Params *p) : TLB(p) 1045086Sgblack@eecs.umich.edu { 1055086Sgblack@eecs.umich.edu } 1065086Sgblack@eecs.umich.edu 1075086Sgblack@eecs.umich.edu Fault translate(RequestPtr &req, ThreadContext *tc); 1085086Sgblack@eecs.umich.edu 1095086Sgblack@eecs.umich.edu friend class DTB; 1105086Sgblack@eecs.umich.edu}; 1115086Sgblack@eecs.umich.edu 1125086Sgblack@eecs.umich.educlass DTB : public TLB 1135086Sgblack@eecs.umich.edu{ 1145086Sgblack@eecs.umich.edu public: 1155086Sgblack@eecs.umich.edu typedef X86DTBParams Params; 1165086Sgblack@eecs.umich.edu DTB(const Params *p) : TLB(p) 1175086Sgblack@eecs.umich.edu { 1185086Sgblack@eecs.umich.edu } 1195086Sgblack@eecs.umich.edu 1205086Sgblack@eecs.umich.edu Fault translate(RequestPtr &req, ThreadContext *tc, bool write); 1215086Sgblack@eecs.umich.edu#if FULL_SYSTEM 1225086Sgblack@eecs.umich.edu Tick doMmuRegRead(ThreadContext *tc, Packet *pkt); 1235086Sgblack@eecs.umich.edu Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt); 1245086Sgblack@eecs.umich.edu#endif 1255086Sgblack@eecs.umich.edu 1265086Sgblack@eecs.umich.edu // Checkpointing 1275086Sgblack@eecs.umich.edu virtual void serialize(std::ostream &os); 1285086Sgblack@eecs.umich.edu virtual void unserialize(Checkpoint *cp, const std::string §ion); 1295086Sgblack@eecs.umich.edu}; 1305086Sgblack@eecs.umich.edu 1315086Sgblack@eecs.umich.edu} 1325086Sgblack@eecs.umich.edu 1335086Sgblack@eecs.umich.edu#else 1345086Sgblack@eecs.umich.edu 1355004Sgblack@eecs.umich.edu#include <iostream> 1365004Sgblack@eecs.umich.edu 1375004Sgblack@eecs.umich.edu#include "sim/host.hh" 1384997Sgblack@eecs.umich.edu#include "sim/tlb.hh" 1394120Sgblack@eecs.umich.edu 1405004Sgblack@eecs.umich.educlass Checkpoint; 1415004Sgblack@eecs.umich.edu 1424120Sgblack@eecs.umich.edunamespace X86ISA 1434120Sgblack@eecs.umich.edu{ 1445004Sgblack@eecs.umich.edu struct TlbEntry 1455004Sgblack@eecs.umich.edu { 1465004Sgblack@eecs.umich.edu Addr pageStart; 1475004Sgblack@eecs.umich.edu TlbEntry() {} 1485004Sgblack@eecs.umich.edu TlbEntry(Addr paddr) : pageStart(paddr) {} 1495004Sgblack@eecs.umich.edu 1505004Sgblack@eecs.umich.edu void serialize(std::ostream &os); 1515004Sgblack@eecs.umich.edu void unserialize(Checkpoint *cp, const std::string §ion); 1525004Sgblack@eecs.umich.edu }; 1535004Sgblack@eecs.umich.edu 1545019Sgblack@eecs.umich.edu class ITB : public GenericTLB 1554997Sgblack@eecs.umich.edu { 1564997Sgblack@eecs.umich.edu public: 1575038Sgblack@eecs.umich.edu ITB(const Params *p) : GenericTLB(p) 1584997Sgblack@eecs.umich.edu {} 1594997Sgblack@eecs.umich.edu }; 1604997Sgblack@eecs.umich.edu 1615019Sgblack@eecs.umich.edu class DTB : public GenericTLB 1624997Sgblack@eecs.umich.edu { 1634997Sgblack@eecs.umich.edu public: 1645038Sgblack@eecs.umich.edu DTB(const Params *p) : GenericTLB(p) 1654997Sgblack@eecs.umich.edu {} 1664997Sgblack@eecs.umich.edu }; 1674120Sgblack@eecs.umich.edu}; 1684120Sgblack@eecs.umich.edu 1695086Sgblack@eecs.umich.edu#endif 1705086Sgblack@eecs.umich.edu 1714120Sgblack@eecs.umich.edu#endif // __ARCH_X86_TLB_HH__ 172