150 lines
6.1 KiB
C++
150 lines
6.1 KiB
C++
/*
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* Copyright (c) 2003-2007 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/floatregfile.hh"
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#include "base/trace.hh"
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#include "sim/serialize.hh"
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#include <string.h>
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using namespace X86ISA;
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using namespace std;
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class Checkpoint;
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string X86ISA::getFloatRegName(RegIndex index)
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{
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static std::string floatRegName[NumFloatRegs] =
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{"mmx0", "mmx1", "mmx2", "mmx3", "mmx4", "mmx5", "mmx6", "mmx7",
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"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
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"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"};
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return floatRegName[index];
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}
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void FloatRegFile::clear()
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{
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memset(q, 0, sizeof(FloatReg) * NumFloatRegs);
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}
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FloatReg FloatRegFile::readReg(int floatReg, int width)
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{
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FloatReg reg = d[floatReg];
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DPRINTF(X86, "Reading %f from register %d.\n", reg, floatReg);
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return reg;
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}
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FloatRegBits FloatRegFile::readRegBits(int floatReg, int width)
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{
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FloatRegBits reg = q[floatReg];
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DPRINTF(X86, "Reading %#x from register %d.\n", reg, floatReg);
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return reg;
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}
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Fault FloatRegFile::setReg(int floatReg, const FloatReg &val, int width)
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{
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DPRINTF(X86, "Writing %f to register %d.\n", val, floatReg);
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d[floatReg] = val;
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return NoFault;
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}
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Fault FloatRegFile::setRegBits(int floatReg, const FloatRegBits &val, int width)
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{
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DPRINTF(X86, "Writing bits %#x to register %d.\n", val, floatReg);
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q[floatReg] = val;
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return NoFault;
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}
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void FloatRegFile::serialize(std::ostream &os)
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{
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SERIALIZE_ARRAY(q, NumFloatRegs);
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}
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void FloatRegFile::unserialize(Checkpoint *cp, const std::string §ion)
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{
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UNSERIALIZE_ARRAY(q, NumFloatRegs);
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}
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