2007-03-03 17:01:48 +01:00
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/*
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* Copyright (c) 2007 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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2010-05-24 07:44:15 +02:00
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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2007-03-03 17:01:48 +01:00
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*
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2010-05-24 07:44:15 +02:00
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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2007-03-03 17:01:48 +01:00
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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2007-03-03 17:01:48 +01:00
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#ifndef __ARCH_X86_TLB_HH__
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#define __ARCH_X86_TLB_HH__
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2007-10-03 08:00:37 +02:00
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#include <list>
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2007-11-12 23:38:31 +01:00
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#include <vector>
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2007-11-12 23:38:24 +01:00
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#include <string>
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2007-09-25 02:39:56 +02:00
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2007-10-03 08:00:37 +02:00
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#include "arch/x86/pagetable.hh"
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#include "arch/x86/regs/segment.hh"
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#include "config/full_system.hh"
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#include "mem/mem_object.hh"
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#include "mem/request.hh"
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2009-04-09 07:21:27 +02:00
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#include "params/X86TLB.hh"
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2011-02-04 06:47:58 +01:00
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#include "sim/fault_fwd.hh"
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2008-02-27 05:38:51 +01:00
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#include "sim/tlb.hh"
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#include "sim/sim_object.hh"
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class ThreadContext;
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class Packet;
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namespace X86ISA
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{
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class Walker;
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class TLB : public BaseTLB
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{
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protected:
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2009-02-25 19:16:21 +01:00
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friend class Walker;
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2008-02-27 05:39:53 +01:00
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typedef std::list<TlbEntry *> EntryList;
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2008-02-27 05:38:01 +01:00
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uint32_t configAddress;
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public:
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typedef X86TLBParams Params;
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TLB(const Params *p);
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void dumpAll();
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TlbEntry *lookup(Addr va, bool update_lru = true);
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2008-02-27 05:38:01 +01:00
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void setConfigAddress(uint32_t addr);
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2008-02-27 05:39:53 +01:00
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protected:
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EntryList::iterator lookupIt(Addr va, bool update_lru = true);
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2007-11-12 23:38:24 +01:00
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#if FULL_SYSTEM
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protected:
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Walker * walker;
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2011-02-07 07:14:18 +01:00
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public:
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Walker *getWalker();
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#endif
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2007-11-12 23:39:07 +01:00
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public:
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void invalidateAll();
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void invalidateNonGlobal();
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2008-02-27 05:38:51 +01:00
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void demapPage(Addr va, uint64_t asn);
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protected:
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int size;
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TlbEntry * tlb;
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EntryList freeList;
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EntryList entryList;
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2007-03-03 17:01:48 +01:00
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2009-04-27 01:48:44 +02:00
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Fault translateInt(RequestPtr req, ThreadContext *tc);
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2009-02-25 19:16:21 +01:00
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Fault translate(RequestPtr req, ThreadContext *tc,
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Translation *translation, Mode mode,
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bool &delayedResponse, bool timing);
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public:
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Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
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void translateTiming(RequestPtr req, ThreadContext *tc,
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Translation *translation, Mode mode);
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#if FULL_SYSTEM
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Tick doMmuRegRead(ThreadContext *tc, Packet *pkt);
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Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt);
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#endif
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TlbEntry * insert(Addr vpn, TlbEntry &entry);
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2007-10-03 08:00:37 +02:00
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// Checkpointing
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virtual void serialize(std::ostream &os);
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virtual void unserialize(Checkpoint *cp, const std::string §ion);
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};
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}
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2007-03-03 17:01:48 +01:00
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#endif // __ARCH_X86_TLB_HH__
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