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authorGabe Black <gblack@eecs.umich.edu>2007-03-05 17:56:26 +0000
committerGabe Black <gblack@eecs.umich.edu>2007-03-05 17:56:26 +0000
commita46e100bd921de02c34862acd6b69d25dc37eb47 (patch)
tree75866fbd0e4abce944980c60c66219572bef5997 /src/arch/x86/regfile.cc
parenta41b86ba01723ae5949edf74f23cf8d12649eb0a (diff)
downloadgem5-a46e100bd921de02c34862acd6b69d25dc37eb47.tar.xz
Add some new source files.
--HG-- extra : convert_revision : 94f3f19eb91b7f54918640b7605008eb1fe75fc7
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diff --git a/src/arch/x86/regfile.cc b/src/arch/x86/regfile.cc
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+++ b/src/arch/x86/regfile.cc
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+/*
+ * Copyright (c) 2003-2006 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
+ */
+
+/*
+ * 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
+ */
+
+#include "arch/x86/regfile.hh"
+#include "sim/serialize.hh"
+#include "cpu/thread_context.hh"
+
+class Checkpoint;
+
+using namespace X86ISA;
+using namespace std;
+
+//RegFile class methods
+Addr RegFile::readPC()
+{
+ return rip;
+}
+
+void RegFile::setPC(Addr val)
+{
+ rip = val;
+}
+
+Addr RegFile::readNextPC()
+{
+ return nextRip;
+}
+
+void RegFile::setNextPC(Addr val)
+{
+ nextRip = val;
+}
+
+Addr RegFile::readNextNPC()
+{
+ return nextRip + sizeof(MachInst);
+}
+
+void RegFile::setNextNPC(Addr val)
+{ }
+
+void RegFile::clear()
+{
+ floatRegFile.clear();
+ intRegFile.clear();
+ miscRegFile.clear();
+}
+
+MiscReg RegFile::readMiscReg(int miscReg)
+{
+ return miscRegFile.readReg(miscReg);
+}
+
+MiscReg RegFile::readMiscRegWithEffect(int miscReg, ThreadContext *tc)
+{
+ return miscRegFile.readRegWithEffect(miscReg, tc);
+}
+
+void RegFile::setMiscReg(int miscReg, const MiscReg &val)
+{
+ miscRegFile.setReg(miscReg, val);
+}
+
+void RegFile::setMiscRegWithEffect(int miscReg, const MiscReg &val,
+ ThreadContext * tc)
+{
+ miscRegFile.setRegWithEffect(miscReg, val, tc);
+}
+
+FloatReg RegFile::readFloatReg(int floatReg, int width)
+{
+ return floatRegFile.readReg(floatReg, width);
+}
+
+FloatReg RegFile::readFloatReg(int floatReg)
+{
+ //Use the "natural" width of a single float
+ return floatRegFile.readReg(floatReg, FloatRegFile::SingleWidth);
+}
+
+FloatRegBits RegFile::readFloatRegBits(int floatReg, int width)
+{
+ return floatRegFile.readRegBits(floatReg, width);
+}
+
+FloatRegBits RegFile::readFloatRegBits(int floatReg)
+{
+ //Use the "natural width of a single float
+ return floatRegFile.readRegBits(floatReg,
+ FloatRegFile::SingleWidth);
+}
+
+void RegFile::setFloatReg(int floatReg, const FloatReg &val, int width)
+{
+ floatRegFile.setReg(floatReg, val, width);
+}
+
+void RegFile::setFloatReg(int floatReg, const FloatReg &val)
+{
+ //Use the "natural" width of a single float
+ setFloatReg(floatReg, val, FloatRegFile::SingleWidth);
+}
+
+void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val, int width)
+{
+ floatRegFile.setRegBits(floatReg, val, width);
+}
+
+void RegFile::setFloatRegBits(int floatReg, const FloatRegBits &val)
+{
+ //Use the "natural" width of a single float
+ floatRegFile.setRegBits(floatReg, val, FloatRegFile::SingleWidth);
+}
+
+IntReg RegFile::readIntReg(int intReg)
+{
+ return intRegFile.readReg(intReg);
+}
+
+void RegFile::setIntReg(int intReg, const IntReg &val)
+{
+ intRegFile.setReg(intReg, val);
+}
+
+int X86ISA::flattenIntIndex(ThreadContext * tc, int reg)
+{
+ //For right now, don't do any flattening
+ return reg;
+}
+
+void RegFile::serialize(std::ostream &os)
+{
+ intRegFile.serialize(os);
+ floatRegFile.serialize(os);
+ miscRegFile.serialize(os);
+ SERIALIZE_SCALAR(rip);
+ SERIALIZE_SCALAR(nextRip);
+}
+
+void RegFile::unserialize(Checkpoint *cp, const std::string &section)
+{
+ intRegFile.unserialize(cp, section);
+ floatRegFile.unserialize(cp, section);
+ miscRegFile.unserialize(cp, section);
+ UNSERIALIZE_SCALAR(rip);
+ UNSERIALIZE_SCALAR(nextRip);
+}
+
+void RegFile::changeContext(RegContextParam param, RegContextVal val)
+{
+ panic("changeContext not implemented for x86!\n");
+}
+
+void X86ISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest)
+{
+ panic("copyMiscRegs not implemented for x86!\n");
+}
+
+void X86ISA::copyRegs(ThreadContext *src, ThreadContext *dest)
+{
+ panic("copyRegs not implemented for x86!\n");
+ //copy int regs
+ //copy float regs
+ copyMiscRegs(src, dest);
+
+ dest->setPC(src->readPC());
+ dest->setNextPC(src->readNextPC());
+}