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/*
* Copyright (c) 2001-2005 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
*/
#include <cstring>
#include "arch/mips/tlb.hh"
namespace MipsISA {
Fault
TLB::translate(RequestPtr req, ThreadContext *tc, bool)
{
Fault fault = GenericTLB::translate(req, tc);
if (fault != NoFault)
return fault;
typeof(req->getSize()) size = req->getSize();
Addr paddr = req->getPaddr();
if (!isPowerOf2(size))
panic("Invalid request size!\n");
if ((size - 1) & paddr)
return new GenericAlignmentFault(paddr);
return NoFault;
}
void
TlbEntry::serialize(std::ostream &os)
{
SERIALIZE_SCALAR(pageStart);
}
void
TlbEntry::unserialize(Checkpoint *cp, const std::string §ion)
{
UNSERIALIZE_SCALAR(pageStart);
}
};
MipsISA::ITB *
MipsITBParams::create()
{
return new MipsISA::ITB(this);
}
MipsISA::DTB *
MipsDTBParams::create()
{
return new MipsISA::DTB(this);
}
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