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/*
* Copyright (c) 2009 The University of Edinburgh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 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 other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Timothy M. Jones
*/
#ifndef __ARCH_POWER_MEM_HH__
#define __ARCH_POWER_MEM_HH__
#include "arch/power/insts/static_inst.hh"
namespace PowerISA
{
/**
* Base class for memory operations.
*/
class MemOp : public PowerStaticInst
{
protected:
/// Memory request flags. See mem_req_base.hh.
unsigned memAccessFlags;
/// Pointer to EAComp object.
const StaticInstPtr eaCompPtr;
/// Pointer to MemAcc object.
const StaticInstPtr memAccPtr;
/// Constructor
MemOp(const char *mnem, MachInst _machInst, OpClass __opClass,
StaticInstPtr _eaCompPtr = nullStaticInstPtr,
StaticInstPtr _memAccPtr = nullStaticInstPtr)
: PowerStaticInst(mnem, _machInst, __opClass),
memAccessFlags(0),
eaCompPtr(_eaCompPtr),
memAccPtr(_memAccPtr)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
/**
* Class for memory operations with displacement.
*/
class MemDispOp : public MemOp
{
protected:
int16_t disp;
/// Constructor
MemDispOp(const char *mnem, MachInst _machInst, OpClass __opClass,
StaticInstPtr _eaCompPtr = nullStaticInstPtr,
StaticInstPtr _memAccPtr = nullStaticInstPtr)
: MemOp(mnem, _machInst, __opClass, _eaCompPtr, _memAccPtr),
disp(machInst.d)
{
}
std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
};
} // namespace PowerISA
#endif //__ARCH_POWER_INSTS_MEM_HH__
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