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