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/*
* Copyright (c) 2006 The Regents of The University of Michigan
* All rights reserved.
*
* 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_MIPS_TLB_HH__
#define __ARCH_MIPS_TLB_HH__
#include "params/MipsDTB.hh"
#include "params/MipsITB.hh"
#include "sim/tlb.hh"
namespace MipsISA
{
struct TlbEntry
{
Addr _pageStart;
TlbEntry() {}
TlbEntry(Addr asn, Addr vaddr, Addr paddr) : _pageStart(paddr) {}
Addr pageStart()
{
return _pageStart;
}
void serialize(std::ostream &os);
void unserialize(Checkpoint *cp, const std::string §ion);
};
class TLB : public GenericTLB
{
public:
typedef MipsTLBParams Params;
TLB(const Params *p) : GenericTLB(p)
{}
Fault translate(RequestPtr req, ThreadContext *tc, bool=false);
};
class ITB : public TLB
{
public:
typedef MipsITBParams Params;
ITB(const Params *p) : TLB(p)
{}
};
class DTB : public TLB
{
public:
typedef MipsDTBParams Params;
DTB(const Params *p) : TLB(p)
{}
};
};
#endif // __ARCH_MIPS_TLB_HH__
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