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/*
* Copyright (c) 2007 The Hewlett-Packard Development Company
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* The software must be used only for Non-Commercial Use which means any
* use which is NOT directed to receiving any direct monetary
* compensation for, or commercial advantage from such use. Illustrative
* examples of non-commercial use are academic research, personal study,
* teaching, education and corporate research & development.
* Illustrative examples of commercial use are distributing products for
* commercial advantage and providing services using the software for
* commercial advantage.
*
* If you wish to use this software or functionality therein that may be
* covered by patents for commercial use, please contact:
* Director of Intellectual Property Licensing
* Office of Strategy and Technology
* Hewlett-Packard Company
* 1501 Page Mill Road
* Palo Alto, California 94304
*
* 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission. No right of
* sublicense is granted herewith. Derivatives of the software and
* output created using the software may be prepared, but only for
* Non-Commercial Uses. Derivatives of the software may be shared with
* others provided: (i) the others agree to abide by the list of
* conditions herein which includes the Non-Commercial Use restrictions;
* and (ii) such Derivatives of the software include the above copyright
* notice to acknowledge the contribution from this software where
* applicable, this list of conditions and the disclaimer below.
*
* 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_REGFILE_HH__
#define __ARCH_X86_REGFILE_HH__
#include "arch/x86/floatregfile.hh"
#include "arch/x86/intregfile.hh"
#include "arch/x86/isa_traits.hh"
#include "arch/x86/miscregfile.hh"
#include "arch/x86/types.hh"
#include "sim/host.hh"
#include <string>
class Checkpoint;
class EventManager;
namespace X86ISA
{
class RegFile
{
protected:
Addr rip; //Program Counter
Addr nextRip; //Next Program Counter
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();
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()
{
//XXX This doesn't make sense in x86
return 0;
}
int dataAsid()
{
//XXX This doesn't make sense in x86
return 0;
}
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:
};
int flattenIntIndex(ThreadContext * tc, int reg);
int flattenFloatIndex(ThreadContext * tc, int reg);
void copyRegs(ThreadContext *src, ThreadContext *dest);
void copyMiscRegs(ThreadContext *src, ThreadContext *dest);
int InterruptLevel(uint64_t softint);
}; // namespace X86ISA
#endif // __ARCH_X86_REGFILE_HH__
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