mem.hh revision 6305
16253Sgblack@eecs.umich.edu/* Copyright (c) 2007-2008 The Florida State University 26253Sgblack@eecs.umich.edu * All rights reserved. 36253Sgblack@eecs.umich.edu * 46253Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 56253Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 66253Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 76253Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 86253Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 96253Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 106253Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 116253Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 126253Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 136253Sgblack@eecs.umich.edu * this software without specific prior written permission. 146253Sgblack@eecs.umich.edu * 156253Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 166253Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 176253Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 186253Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 196253Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 206253Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 216253Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 226253Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 236253Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 246253Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 256253Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 266253Sgblack@eecs.umich.edu * 276253Sgblack@eecs.umich.edu * Authors: Stephen Hines 286253Sgblack@eecs.umich.edu */ 296253Sgblack@eecs.umich.edu#ifndef __ARCH_ARM_MEM_HH__ 306253Sgblack@eecs.umich.edu#define __ARCH_ARM_MEM_HH__ 316253Sgblack@eecs.umich.edu 326253Sgblack@eecs.umich.edu#include "arch/arm/insts/pred_inst.hh" 336253Sgblack@eecs.umich.edu 346253Sgblack@eecs.umich.edunamespace ArmISA 356253Sgblack@eecs.umich.edu{ 366253Sgblack@eecs.umich.edu/** 376253Sgblack@eecs.umich.edu * Base class for general Arm memory-format instructions. 386253Sgblack@eecs.umich.edu */ 396253Sgblack@eecs.umich.educlass Memory : public PredOp 406253Sgblack@eecs.umich.edu{ 416253Sgblack@eecs.umich.edu protected: 426253Sgblack@eecs.umich.edu 436253Sgblack@eecs.umich.edu /// Memory request flags. See mem_req_base.hh. 446253Sgblack@eecs.umich.edu unsigned memAccessFlags; 456253Sgblack@eecs.umich.edu 466253Sgblack@eecs.umich.edu /// Displacement for EA calculation (signed). 476253Sgblack@eecs.umich.edu int32_t disp; 486253Sgblack@eecs.umich.edu int32_t disp8; 496253Sgblack@eecs.umich.edu int32_t up; 506253Sgblack@eecs.umich.edu int32_t hilo, 516253Sgblack@eecs.umich.edu shift_size, 526253Sgblack@eecs.umich.edu shift; 536253Sgblack@eecs.umich.edu 546253Sgblack@eecs.umich.edu /// Constructor 556305Sgblack@eecs.umich.edu Memory(const char *mnem, ExtMachInst _machInst, OpClass __opClass) 566253Sgblack@eecs.umich.edu : PredOp(mnem, _machInst, __opClass), 576253Sgblack@eecs.umich.edu memAccessFlags(0), 586253Sgblack@eecs.umich.edu disp(machInst.immed11_0), 596253Sgblack@eecs.umich.edu disp8(machInst.immed7_0 << 2), 606253Sgblack@eecs.umich.edu up(machInst.puswl.up), 616253Sgblack@eecs.umich.edu hilo((machInst.immedHi11_8 << 4) | machInst.immedLo3_0), 626253Sgblack@eecs.umich.edu shift_size(machInst.shiftSize), shift(machInst.shift) 636253Sgblack@eecs.umich.edu { 646253Sgblack@eecs.umich.edu } 656253Sgblack@eecs.umich.edu 666253Sgblack@eecs.umich.edu std::string 676253Sgblack@eecs.umich.edu generateDisassembly(Addr pc, const SymbolTable *symtab) const; 686253Sgblack@eecs.umich.edu}; 696253Sgblack@eecs.umich.edu 706253Sgblack@eecs.umich.edu /** 716253Sgblack@eecs.umich.edu * Base class for a few miscellaneous memory-format insts 726253Sgblack@eecs.umich.edu * that don't interpret the disp field 736253Sgblack@eecs.umich.edu */ 746253Sgblack@eecs.umich.educlass MemoryNoDisp : public Memory 756253Sgblack@eecs.umich.edu{ 766253Sgblack@eecs.umich.edu protected: 776253Sgblack@eecs.umich.edu /// Constructor 786305Sgblack@eecs.umich.edu MemoryNoDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) 796305Sgblack@eecs.umich.edu : Memory(mnem, _machInst, __opClass) 806253Sgblack@eecs.umich.edu { 816253Sgblack@eecs.umich.edu } 826253Sgblack@eecs.umich.edu 836253Sgblack@eecs.umich.edu std::string 846253Sgblack@eecs.umich.edu generateDisassembly(Addr pc, const SymbolTable *symtab) const; 856253Sgblack@eecs.umich.edu}; 866253Sgblack@eecs.umich.edu} 876253Sgblack@eecs.umich.edu 886253Sgblack@eecs.umich.edu#endif //__ARCH_ARM_INSTS_MEM_HH__ 89