tlb.hh revision 6022
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 615124Sgblack@eecs.umich.edu#include <list> 625237Sgblack@eecs.umich.edu#include <vector> 635236Sgblack@eecs.umich.edu#include <string> 645124Sgblack@eecs.umich.edu 655124Sgblack@eecs.umich.edu#include "arch/x86/pagetable.hh" 665124Sgblack@eecs.umich.edu#include "arch/x86/segmentregs.hh" 675086Sgblack@eecs.umich.edu#include "config/full_system.hh" 685236Sgblack@eecs.umich.edu#include "mem/mem_object.hh" 695086Sgblack@eecs.umich.edu#include "mem/request.hh" 706022Sgblack@eecs.umich.edu#include "params/X86TLB.hh" 715086Sgblack@eecs.umich.edu#include "sim/faults.hh" 725358Sgblack@eecs.umich.edu#include "sim/tlb.hh" 735086Sgblack@eecs.umich.edu#include "sim/sim_object.hh" 745086Sgblack@eecs.umich.edu 755086Sgblack@eecs.umich.educlass ThreadContext; 765086Sgblack@eecs.umich.educlass Packet; 775086Sgblack@eecs.umich.edu 785086Sgblack@eecs.umich.edunamespace X86ISA 795086Sgblack@eecs.umich.edu{ 805245Sgblack@eecs.umich.edu class Walker; 815245Sgblack@eecs.umich.edu 825118Sgblack@eecs.umich.edu static const unsigned StoreCheck = 1 << NUM_SEGMENTREGS; 835118Sgblack@eecs.umich.edu 845358Sgblack@eecs.umich.edu class TLB : public BaseTLB 855086Sgblack@eecs.umich.edu { 865124Sgblack@eecs.umich.edu protected: 875895Sgblack@eecs.umich.edu friend class Walker; 885236Sgblack@eecs.umich.edu 895360Sgblack@eecs.umich.edu typedef std::list<TlbEntry *> EntryList; 905360Sgblack@eecs.umich.edu 915357Sgblack@eecs.umich.edu uint32_t configAddress; 925237Sgblack@eecs.umich.edu 935124Sgblack@eecs.umich.edu public: 945245Sgblack@eecs.umich.edu 955124Sgblack@eecs.umich.edu typedef X86TLBParams Params; 965124Sgblack@eecs.umich.edu TLB(const Params *p); 975086Sgblack@eecs.umich.edu 985124Sgblack@eecs.umich.edu void dumpAll(); 995124Sgblack@eecs.umich.edu 1005124Sgblack@eecs.umich.edu TlbEntry *lookup(Addr va, bool update_lru = true); 1015124Sgblack@eecs.umich.edu 1025357Sgblack@eecs.umich.edu void setConfigAddress(uint32_t addr); 1035357Sgblack@eecs.umich.edu 1045360Sgblack@eecs.umich.edu protected: 1055360Sgblack@eecs.umich.edu 1065360Sgblack@eecs.umich.edu EntryList::iterator lookupIt(Addr va, bool update_lru = true); 1075360Sgblack@eecs.umich.edu 1085236Sgblack@eecs.umich.edu#if FULL_SYSTEM 1095236Sgblack@eecs.umich.edu protected: 1105236Sgblack@eecs.umich.edu 1115245Sgblack@eecs.umich.edu Walker * walker; 1125236Sgblack@eecs.umich.edu#endif 1135236Sgblack@eecs.umich.edu 1145242Sgblack@eecs.umich.edu public: 1155242Sgblack@eecs.umich.edu void invalidateAll(); 1165242Sgblack@eecs.umich.edu 1175242Sgblack@eecs.umich.edu void invalidateNonGlobal(); 1185242Sgblack@eecs.umich.edu 1195358Sgblack@eecs.umich.edu void demapPage(Addr va, uint64_t asn); 1205242Sgblack@eecs.umich.edu 1215124Sgblack@eecs.umich.edu protected: 1225124Sgblack@eecs.umich.edu int size; 1235124Sgblack@eecs.umich.edu 1245124Sgblack@eecs.umich.edu TlbEntry * tlb; 1255124Sgblack@eecs.umich.edu 1265124Sgblack@eecs.umich.edu EntryList freeList; 1275124Sgblack@eecs.umich.edu EntryList entryList; 1285124Sgblack@eecs.umich.edu 1295895Sgblack@eecs.umich.edu Fault translate(RequestPtr req, ThreadContext *tc, 1305895Sgblack@eecs.umich.edu Translation *translation, bool write, bool execute, 1315895Sgblack@eecs.umich.edu bool &delayedResponse, bool timing); 1325140Sgblack@eecs.umich.edu 1335124Sgblack@eecs.umich.edu public: 1345245Sgblack@eecs.umich.edu 1356022Sgblack@eecs.umich.edu Fault translateAtomic(RequestPtr req, ThreadContext *tc, 1366022Sgblack@eecs.umich.edu bool write = false, bool execute = false); 1376022Sgblack@eecs.umich.edu void translateTiming(RequestPtr req, ThreadContext *tc, 1386022Sgblack@eecs.umich.edu Translation *translation, 1396022Sgblack@eecs.umich.edu bool write = false, bool execute = false); 1405245Sgblack@eecs.umich.edu 1415086Sgblack@eecs.umich.edu#if FULL_SYSTEM 1425124Sgblack@eecs.umich.edu Tick doMmuRegRead(ThreadContext *tc, Packet *pkt); 1435124Sgblack@eecs.umich.edu Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt); 1445086Sgblack@eecs.umich.edu#endif 1455086Sgblack@eecs.umich.edu 1466022Sgblack@eecs.umich.edu TlbEntry * insert(Addr vpn, TlbEntry &entry); 1476022Sgblack@eecs.umich.edu 1485124Sgblack@eecs.umich.edu // Checkpointing 1495124Sgblack@eecs.umich.edu virtual void serialize(std::ostream &os); 1505124Sgblack@eecs.umich.edu virtual void unserialize(Checkpoint *cp, const std::string §ion); 1515124Sgblack@eecs.umich.edu }; 1525086Sgblack@eecs.umich.edu} 1535086Sgblack@eecs.umich.edu 1544120Sgblack@eecs.umich.edu#endif // __ARCH_X86_TLB_HH__ 155