151 lines
5.9 KiB
C++
151 lines
5.9 KiB
C++
/*
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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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#ifndef __ARCH_X86_INSTS_MICROREGOP_HH__
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#define __ARCH_X86_INSTS_MICROREGOP_HH__
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#include "arch/x86/insts/microop.hh"
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namespace X86ISA
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{
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/**
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* Base classes for RegOps which provides a generateDisassembly method.
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*/
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class RegOpBase : public X86MicroopBase
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{
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protected:
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const RegIndex src1;
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const RegIndex dest;
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const uint8_t dataSize;
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const uint16_t ext;
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RegIndex foldOBit;
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// Constructor
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RegOpBase(ExtMachInst _machInst,
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const char *mnem, const char *_instMnem,
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bool isMicro, bool isDelayed,
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bool isFirst, bool isLast,
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RegIndex _src1, RegIndex _dest,
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uint8_t _dataSize, uint16_t _ext,
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OpClass __opClass) :
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X86MicroopBase(_machInst, mnem, _instMnem,
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isMicro, isDelayed, isFirst, isLast,
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__opClass),
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src1(_src1), dest(_dest),
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dataSize(_dataSize), ext(_ext)
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{
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foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
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}
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//Figure out what the condition code flags should be.
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uint64_t genFlags(uint64_t oldFlags, uint64_t flagMask,
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uint64_t _dest, uint64_t _src1, uint64_t _src2,
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bool subtract = false) const;
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};
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class RegOp : public RegOpBase
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{
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protected:
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const RegIndex src2;
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// Constructor
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RegOp(ExtMachInst _machInst,
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const char *mnem, const char *_instMnem,
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bool isMicro, bool isDelayed,
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bool isFirst, bool isLast,
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RegIndex _src1, RegIndex _src2, RegIndex _dest,
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uint8_t _dataSize, uint16_t _ext,
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OpClass __opClass) :
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RegOpBase(_machInst, mnem, _instMnem,
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isMicro, isDelayed, isFirst, isLast,
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_src1, _dest, _dataSize, _ext,
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__opClass),
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src2(_src2)
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{
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}
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std::string generateDisassembly(Addr pc,
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const SymbolTable *symtab) const;
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};
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class RegOpImm : public RegOpBase
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{
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protected:
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const uint8_t imm8;
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// Constructor
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RegOpImm(ExtMachInst _machInst,
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const char * mnem, const char *_instMnem,
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bool isMicro, bool isDelayed,
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bool isFirst, bool isLast,
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RegIndex _src1, uint8_t _imm8, RegIndex _dest,
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uint8_t _dataSize, uint16_t _ext,
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OpClass __opClass) :
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RegOpBase(_machInst, mnem, _instMnem,
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isMicro, isDelayed, isFirst, isLast,
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_src1, _dest, _dataSize, _ext,
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__opClass),
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imm8(_imm8)
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{
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}
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std::string generateDisassembly(Addr pc,
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const SymbolTable *symtab) const;
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};
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}
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#endif //__ARCH_X86_INSTS_MICROREGOP_HH__
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