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/*
* Copyright (c) 2003-2005 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
* Ali Saidi
*/
#ifndef __ARCH_SPARC_REGFILE_HH__
#define __ARCH_SPARC_REGFILE_HH__
#include "arch/sparc/floatregfile.hh"
#include "arch/sparc/intregfile.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/miscregfile.hh"
#include "arch/sparc/types.hh"
#include "sim/host.hh"
#include <string>
class Checkpoint;
namespace SparcISA
{
class RegFile
{
protected:
Addr pc; // Program Counter
Addr npc; // Next Program Counter
Addr nnpc;
public:
Addr readPC();
void setPC(Addr val);
Addr readNextPC();
void setNextPC(Addr val);
Addr readNextNPC();
void setNextNPC(Addr val);
protected:
IntRegFile intRegFile; // integer register file
FloatRegFile floatRegFile; // floating point register file
MiscRegFile miscRegFile; // control register file
public:
void clear();
int FlattenIntIndex(int reg);
MiscReg readMiscRegNoEffect(int miscReg);
MiscReg readMiscReg(int miscReg, ThreadContext *tc);
void setMiscRegNoEffect(int miscReg, const MiscReg &val);
void setMiscReg(int miscReg, const MiscReg &val,
ThreadContext * tc);
int instAsid()
{
return miscRegFile.getInstAsid();
}
int dataAsid()
{
return miscRegFile.getDataAsid();
}
FloatReg readFloatReg(int floatReg, int width);
FloatReg readFloatReg(int floatReg);
FloatRegBits readFloatRegBits(int floatReg, int width);
FloatRegBits readFloatRegBits(int floatReg);
void setFloatReg(int floatReg, const FloatReg &val, int width);
void setFloatReg(int floatReg, const FloatReg &val);
void setFloatRegBits(int floatReg, const FloatRegBits &val, int width);
void setFloatRegBits(int floatReg, const FloatRegBits &val);
IntReg readIntReg(int intReg);
void setIntReg(int intReg, const IntReg &val);
void serialize(EventManager *em, std::ostream &os);
void unserialize(EventManager *em, Checkpoint *cp,
const std::string §ion);
public:
void changeContext(RegContextParam param, RegContextVal val);
};
int flattenIntIndex(ThreadContext * tc, int reg);
static inline int
flattenFloatIndex(ThreadContext * tc, int reg)
{
return reg;
}
void copyRegs(ThreadContext *src, ThreadContext *dest);
void copyMiscRegs(ThreadContext *src, ThreadContext *dest);
} // namespace SparcISA
#endif
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