| /* |
| * 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 |
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| * 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 |
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| * |
| * 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 |
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| * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its |
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| * this software without specific prior written permission. No right of |
| * sublicense is granted herewith. Derivatives of the software and |
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| * 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 |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Gabe Black |
| */ |
| |
| #ifndef __ARCH_X86_INSTS_MICROLDSTOP_HH__ |
| #define __ARCH_X86_INSTS_MICROLDSTOP_HH__ |
| |
| #include "arch/x86/insts/microop.hh" |
| |
| namespace X86ISA |
| { |
| /** |
| * Base class for load and store ops |
| */ |
| class LdStOp : public X86MicroopBase |
| { |
| protected: |
| const uint8_t scale; |
| const RegIndex index; |
| const RegIndex base; |
| const uint64_t disp; |
| const uint8_t segment; |
| const RegIndex data; |
| const uint8_t dataSize; |
| const uint8_t addressSize; |
| RegIndex foldOBit, foldABit; |
| |
| //Constructor |
| LdStOp(ExtMachInst _machInst, |
| const char * mnem, const char * _instMnem, |
| bool isMicro, bool isDelayed, bool isFirst, bool isLast, |
| uint8_t _scale, RegIndex _index, RegIndex _base, |
| uint64_t _disp, uint8_t _segment, |
| RegIndex _data, |
| uint8_t _dataSize, uint8_t _addressSize, |
| OpClass __opClass) : |
| X86MicroopBase(machInst, mnem, _instMnem, |
| isMicro, isDelayed, isFirst, isLast, __opClass), |
| scale(_scale), index(_index), base(_base), |
| disp(_disp), segment(_segment), |
| data(_data), |
| dataSize(_dataSize), addressSize(_addressSize) |
| { |
| foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0; |
| foldABit = |
| (addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0; |
| } |
| |
| std::string generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const; |
| |
| template<class Context, class MemType> |
| Fault read(Context *xc, Addr EA, MemType & Mem, unsigned flags) const |
| { |
| Fault fault = NoFault; |
| switch(dataSize) |
| { |
| case 1: |
| fault = xc->read(EA, (uint8_t&)Mem, flags); |
| break; |
| case 2: |
| fault = xc->read(EA, (uint16_t&)Mem, flags); |
| break; |
| case 4: |
| fault = xc->read(EA, (uint32_t&)Mem, flags); |
| break; |
| case 8: |
| fault = xc->read(EA, (uint64_t&)Mem, flags); |
| break; |
| default: |
| panic("Bad operand size %d for read at %#x.\n", dataSize, EA); |
| } |
| return fault; |
| } |
| |
| template<class Context, class MemType> |
| Fault write(Context *xc, MemType & Mem, Addr EA, unsigned flags) const |
| { |
| Fault fault = NoFault; |
| switch(dataSize) |
| { |
| case 1: |
| fault = xc->write((uint8_t&)Mem, EA, flags, 0); |
| break; |
| case 2: |
| fault = xc->write((uint16_t&)Mem, EA, flags, 0); |
| break; |
| case 4: |
| fault = xc->write((uint32_t&)Mem, EA, flags, 0); |
| break; |
| case 8: |
| fault = xc->write((uint64_t&)Mem, EA, flags, 0); |
| break; |
| default: |
| panic("Bad operand size %d for write at %#x.\n", dataSize, EA); |
| } |
| return fault; |
| } |
| }; |
| } |
| |
| #endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__ |
