252 lines
8 KiB
C++
252 lines
8 KiB
C++
/*
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* Copyright (c) 2003-2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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/*
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* Copyright (c) 2007 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* Redistribution and use of this software in source and binary forms,
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* with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* The software must be used only for Non-Commercial Use which means any
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* use which is NOT directed to receiving any direct monetary
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* compensation for, or commercial advantage from such use. Illustrative
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* examples of non-commercial use are academic research, personal study,
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* teaching, education and corporate research & development.
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* Illustrative examples of commercial use are distributing products for
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* commercial advantage and providing services using the software for
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* commercial advantage.
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*
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* If you wish to use this software or functionality therein that may be
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* covered by patents for commercial use, please contact:
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* Director of Intellectual Property Licensing
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* Office of Strategy and Technology
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* Hewlett-Packard Company
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* 1501 Page Mill Road
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* Palo Alto, California 94304
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. Redistributions
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* in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution. Neither the name of
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* the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission. No right of
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* sublicense is granted herewith. Derivatives of the software and
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* output created using the software may be prepared, but only for
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* Non-Commercial Uses. Derivatives of the software may be shared with
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* others provided: (i) the others agree to abide by the list of
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* conditions herein which includes the Non-Commercial Use restrictions;
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* and (ii) such Derivatives of the software include the above copyright
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* notice to acknowledge the contribution from this software where
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* applicable, this list of conditions and the disclaimer below.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#include "arch/x86/regfile.hh"
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#include "sim/serialize.hh"
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#include "cpu/thread_context.hh"
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class Checkpoint;
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using namespace X86ISA;
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using namespace std;
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//RegFile class methods
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Addr RegFile::readPC()
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{
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return rip;
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}
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void RegFile::setPC(Addr val)
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{
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rip = val;
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}
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Addr RegFile::readNextPC()
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{
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return nextRip;
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}
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void RegFile::setNextPC(Addr val)
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{
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nextRip = val;
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}
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Addr RegFile::readNextNPC()
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{
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return nextRip + sizeof(MachInst);
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}
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void RegFile::setNextNPC(Addr val)
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{ }
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void RegFile::clear()
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{
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floatRegFile.clear();
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intRegFile.clear();
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miscRegFile.clear();
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}
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MiscReg RegFile::readMiscRegNoEffect(int miscReg)
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{
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return miscRegFile.readRegNoEffect(miscReg);
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}
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MiscReg RegFile::readMiscReg(int miscReg, ThreadContext *tc)
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{
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return miscRegFile.readReg(miscReg, tc);
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}
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void RegFile::setMiscRegNoEffect(int miscReg, const MiscReg &val)
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{
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miscRegFile.setRegNoEffect(miscReg, val);
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}
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void RegFile::setMiscReg(int miscReg, const MiscReg &val,
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ThreadContext * tc)
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{
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miscRegFile.setReg(miscReg, val, tc);
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}
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FloatReg RegFile::readFloatReg(int floatReg, int width)
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{
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return floatRegFile.readReg(floatReg, width);
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}
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FloatReg RegFile::readFloatReg(int floatReg)
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{
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//Use the "natural" width of a single float
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return floatRegFile.readReg(floatReg, FloatRegFile::SingleWidth);
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}
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FloatRegBits RegFile::readFloatRegBits(int floatReg, int width)
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{
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return floatRegFile.readRegBits(floatReg, width);
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}
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FloatRegBits RegFile::readFloatRegBits(int floatReg)
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{
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//Use the "natural width of a single float
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return floatRegFile.readRegBits(floatReg,
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FloatRegFile::SingleWidth);
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}
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void RegFile::setFloatReg(int floatReg, const FloatReg &val, int width)
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{
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floatRegFile.setReg(floatReg, val, width);
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}
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void RegFile::setFloatReg(int floatReg, const FloatReg &val)
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{
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//Use the "natural" width of a single float
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setFloatReg(floatReg, val, FloatRegFile::SingleWidth);
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}
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void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val, int width)
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{
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floatRegFile.setRegBits(floatReg, val, width);
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}
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void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val)
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{
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//Use the "natural" width of a single float
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floatRegFile.setRegBits(floatReg, val, FloatRegFile::SingleWidth);
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}
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IntReg RegFile::readIntReg(int intReg)
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{
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return intRegFile.readReg(intReg);
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}
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void RegFile::setIntReg(int intReg, const IntReg &val)
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{
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intRegFile.setReg(intReg, val);
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}
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int X86ISA::flattenIntIndex(ThreadContext * tc, int reg)
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{
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//For right now, don't do any flattening
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return reg;
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}
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void RegFile::serialize(std::ostream &os)
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{
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intRegFile.serialize(os);
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floatRegFile.serialize(os);
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miscRegFile.serialize(os);
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SERIALIZE_SCALAR(rip);
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SERIALIZE_SCALAR(nextRip);
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}
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void RegFile::unserialize(Checkpoint *cp, const std::string §ion)
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{
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intRegFile.unserialize(cp, section);
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floatRegFile.unserialize(cp, section);
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miscRegFile.unserialize(cp, section);
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UNSERIALIZE_SCALAR(rip);
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UNSERIALIZE_SCALAR(nextRip);
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}
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void RegFile::changeContext(RegContextParam param, RegContextVal val)
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{
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panic("changeContext not implemented for x86!\n");
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}
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void X86ISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest)
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{
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panic("copyMiscRegs not implemented for x86!\n");
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}
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void X86ISA::copyRegs(ThreadContext *src, ThreadContext *dest)
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{
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panic("copyRegs not implemented for x86!\n");
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//copy int regs
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//copy float regs
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copyMiscRegs(src, dest);
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dest->setPC(src->readPC());
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dest->setNextPC(src->readNextPC());
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}
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