mem.hh revision 6691
1/* 2 * Copyright (c) 2009 The University of Edinburgh 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Timothy M. Jones 29 */ 30 31#ifndef __ARCH_POWER_MEM_HH__ 32#define __ARCH_POWER_MEM_HH__ 33 34#include "arch/power/insts/static_inst.hh" 35 36namespace PowerISA 37{ 38 39/** 40 * Base class for memory operations. 41 */ 42class MemOp : public PowerStaticInst 43{ 44 protected: 45 46 /// Memory request flags. See mem_req_base.hh. 47 unsigned memAccessFlags; 48 /// Pointer to EAComp object. 49 const StaticInstPtr eaCompPtr; 50 /// Pointer to MemAcc object. 51 const StaticInstPtr memAccPtr; 52 53 /// Constructor 54 MemOp(const char *mnem, MachInst _machInst, OpClass __opClass, 55 StaticInstPtr _eaCompPtr = nullStaticInstPtr, 56 StaticInstPtr _memAccPtr = nullStaticInstPtr) 57 : PowerStaticInst(mnem, _machInst, __opClass), 58 memAccessFlags(0), 59 eaCompPtr(_eaCompPtr), 60 memAccPtr(_memAccPtr) 61 { 62 } 63 64 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; 65}; 66 67 68/** 69 * Class for memory operations with displacement. 70 */ 71class MemDispOp : public MemOp 72{ 73 protected: 74 75 int16_t disp; 76 77 /// Constructor 78 MemDispOp(const char *mnem, MachInst _machInst, OpClass __opClass, 79 StaticInstPtr _eaCompPtr = nullStaticInstPtr, 80 StaticInstPtr _memAccPtr = nullStaticInstPtr) 81 : MemOp(mnem, _machInst, __opClass, _eaCompPtr, _memAccPtr), 82 disp(machInst.d) 83 { 84 } 85 86 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; 87}; 88 89} // PowerISA namespace 90 91#endif //__ARCH_POWER_INSTS_MEM_HH__ 92