From a46e100bd921de02c34862acd6b69d25dc37eb47 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Mon, 5 Mar 2007 17:56:26 +0000 Subject: Add some new source files. --HG-- extra : convert_revision : 94f3f19eb91b7f54918640b7605008eb1fe75fc7 --- src/arch/x86/regfile.cc | 252 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 src/arch/x86/regfile.cc (limited to 'src/arch/x86/regfile.cc') diff --git a/src/arch/x86/regfile.cc b/src/arch/x86/regfile.cc new file mode 100644 index 000000000..506913a35 --- /dev/null +++ b/src/arch/x86/regfile.cc @@ -0,0 +1,252 @@ +/* + * 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 §ion) +{ + 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()); +} -- cgit v1.2.3