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/*
* Copyright (c) 2006 The Regents of The University of Michigan
* Copyright (c) 2007 MIPS Technologies, Inc.
* 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: Korey Sewell
*/
#ifndef __ARCH_MIPS_REGFILE_INT_REGFILE_HH__
#define __ARCH_MIPS_REGFILE_INT_REGFILE_HH__
#include "arch/mips/types.hh"
#include "arch/mips/isa_traits.hh"
#include "base/misc.hh"
#include "base/trace.hh"
#include "sim/faults.hh"
class Checkpoint;
namespace MipsISA
{
enum MiscIntRegNums {
LO = NumIntArchRegs,
HI,
DSPACX0,
DSPLo1,
DSPHi1,
DSPACX1,
DSPLo2,
DSPHi2,
DSPACX2,
DSPLo3,
DSPHi3,
DSPACX3,
DSPControl,
DSPLo0 = LO,
DSPHi0 = HI
};
//@TODO: Implementing ShadowSets needs to
//edit this value such that:
//TotalArchRegs = NumIntArchRegs * ShadowSets
const int TotalArchRegs = NumIntArchRegs;
class IntRegFile
{
protected:
IntReg regs[NumIntRegs];
int currShadowSet;
public:
void clear();
int readShadowSet();
void setShadowSet(int css);
IntReg readReg(int intReg);
Fault setReg(int intReg, const IntReg &val);
void serialize(std::ostream &os);
void unserialize(Checkpoint *cp, const std::string §ion);
};
} // namespace MipsISA
#endif
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