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/*
* 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
* compensation for, or commercial advantage from such use. Illustrative
* 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
* Palo Alto, California 94304
*
* 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission. No right of
* sublicense is granted herewith. Derivatives of the software and
* output created using the software may be prepared, but only for
* 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
* 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_STATICINST_HH__
#define __ARCH_X86_INSTS_STATICINST_HH__
#include "base/trace.hh"
#include "cpu/static_inst.hh"
namespace X86ISA
{
/**
* Base class for all X86 static instructions.
*/
class X86StaticInst : public StaticInst
{
protected:
// Constructor.
X86StaticInst(const char *mnem,
ExtMachInst _machInst, OpClass __opClass)
: StaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
void printMnemonic(std::ostream &os, const char * mnemonic) const;
void printMnemonic(std::ostream &os, const char * instMnemonic,
const char * mnemonic) const;
void printSegment(std::ostream &os, int segment) const;
void printReg(std::ostream &os, int reg, int size) const;
void printSrcReg(std::ostream &os, int reg, int size) const;
void printDestReg(std::ostream &os, int reg, int size) const;
inline uint64_t merge(uint64_t into, uint64_t val, int size) const
{
X86IntReg reg;
reg = into;
//FIXME This needs to be handle high bytes as well
switch(size)
{
case 1:
reg.L = val;
break;
case 2:
reg.X = val;
break;
case 4:
//XXX Check if this should be zeroed or sign extended
reg = 0;
reg.E = val;
break;
case 8:
reg.R = val;
break;
default:
panic("Tried to merge with unrecognized size %d.\n", size);
}
return reg;
}
inline uint64_t pick(uint64_t from, int size)
{
X86IntReg reg;
reg = from;
switch(size)
{
case 1:
return reg.L;
case 2:
return reg.E;
case 4:
return reg.X;
case 8:
return reg.R;
default:
panic("Tried to pick with unrecognized size %d.\n", size);
}
}
};
}
#endif //__ARCH_X86_INSTS_STATICINST_HH__
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