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/*
* Copyright (c) 2007 The Hewlett-Packard Development Company
* All rights reserved.
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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: Gabe Black
*/
#ifndef __ARCH_X86_INSTS_MICROOP_HH__
#define __ARCH_X86_INSTS_MICROOP_HH__
#include "arch/x86/insts/static_inst.hh"
namespace X86ISA
{
namespace ConditionTests
{
enum CondTest {
True,
NotFalse = True,
ECF,
EZF,
SZnZF,
MSTRZ,
STRZ,
MSTRC,
STRZnEZF,
OF,
CF,
ZF,
CvZF,
SF,
PF,
SxOF,
SxOvZF,
False,
NotTrue = False,
NotECF,
NotEZF,
NotSZnZF,
NotMSTRZ,
NotSTRZ,
NotMSTRC,
STRnZnEZF,
NotOF,
NotCF,
NotZF,
NotCvZF,
NotSF,
NotPF,
NotSxOF,
NotSxOvZF
};
}
//A class which is the base of all x86 micro ops. It provides a function to
//set necessary flags appropriately.
class X86MicroopBase : public X86StaticInst
{
protected:
const char * instMnem;
uint8_t opSize;
uint8_t addrSize;
X86MicroopBase(ExtMachInst _machInst,
const char *mnem, const char *_instMnem,
uint64_t setFlags, OpClass __opClass) :
X86ISA::X86StaticInst(mnem, _machInst, __opClass),
instMnem(_instMnem)
{
flags |= setFlags;
}
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
std::stringstream ss;
ccprintf(ss, "\t%s.%s", instMnem, mnemonic);
return ss.str();
}
bool checkCondition(uint64_t flags, int condition) const;
void
advancePC(PCState &pcState) const
{
if (flags[IsLastMicroop])
pcState.uEnd();
else
pcState.uAdvance();
}
};
}
#endif //__ARCH_X86_INSTS_MICROOP_HH__
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