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Diffstat (limited to 'src/arch/x86/regfile.hh')
| -rw-r--r-- | src/arch/x86/regfile.hh | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/arch/x86/regfile.hh b/src/arch/x86/regfile.hh new file mode 100644 index 000000000..d4425b04c --- /dev/null +++ b/src/arch/x86/regfile.hh @@ -0,0 +1,160 @@ +/* + * 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; + +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(); + + int FlattenIntIndex(int reg); + + 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(std::ostream &os); + void unserialize(Checkpoint *cp, const std::string §ion); + + public: + + void changeContext(RegContextParam param, RegContextVal val); + }; + + int flattenIntIndex(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__ |