fcd04f953c
--HG-- extra : convert_revision : 42f68010e6498aceb7ed25da278093e99150e4df
155 lines
6.1 KiB
C++
155 lines
6.1 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_MICROLDSTOP_HH__
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#define __ARCH_X86_INSTS_MICROLDSTOP_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 class for load and store ops
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*/
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class LdStOp : public X86MicroopBase
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{
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protected:
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const uint8_t scale;
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const RegIndex index;
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const RegIndex base;
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const uint64_t disp;
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const uint8_t segment;
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const RegIndex data;
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const uint8_t dataSize;
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const uint8_t addressSize;
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RegIndex foldOBit, foldABit;
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//Constructor
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LdStOp(ExtMachInst _machInst,
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const char * mnem, const char * _instMnem,
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bool isMicro, bool isDelayed, bool isFirst, bool isLast,
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uint8_t _scale, RegIndex _index, RegIndex _base,
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uint64_t _disp, uint8_t _segment,
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RegIndex _data,
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uint8_t _dataSize, uint8_t _addressSize,
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OpClass __opClass) :
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X86MicroopBase(machInst, mnem, _instMnem,
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isMicro, isDelayed, isFirst, isLast, __opClass),
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scale(_scale), index(_index), base(_base),
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disp(_disp), segment(_segment),
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data(_data),
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dataSize(_dataSize), addressSize(_addressSize)
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{
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foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
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foldABit =
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(addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
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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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template<class Context, class MemType>
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Fault read(Context *xc, Addr EA, MemType & Mem, unsigned flags) const
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{
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Fault fault = NoFault;
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switch(dataSize)
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{
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case 1:
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fault = xc->read(EA, (uint8_t&)Mem, flags);
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break;
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case 2:
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fault = xc->read(EA, (uint16_t&)Mem, flags);
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break;
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case 4:
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fault = xc->read(EA, (uint32_t&)Mem, flags);
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break;
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case 8:
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fault = xc->read(EA, (uint64_t&)Mem, flags);
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break;
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default:
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panic("Bad operand size %d for read at %#x.\n", dataSize, EA);
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}
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return fault;
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}
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template<class Context, class MemType>
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Fault write(Context *xc, MemType & Mem, Addr EA, unsigned flags) const
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{
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Fault fault = NoFault;
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switch(dataSize)
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{
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case 1:
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fault = xc->write((uint8_t&)Mem, EA, flags, 0);
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break;
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case 2:
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fault = xc->write((uint16_t&)Mem, EA, flags, 0);
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break;
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case 4:
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fault = xc->write((uint32_t&)Mem, EA, flags, 0);
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break;
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case 8:
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fault = xc->write((uint64_t&)Mem, EA, flags, 0);
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break;
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default:
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panic("Bad operand size %d for write at %#x.\n", dataSize, EA);
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}
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return fault;
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}
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};
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}
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#endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__
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