108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
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* Copyright (c) 2007 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#ifndef __ARCH_X86_INSTS_MACROOP_HH__
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#define __ARCH_X86_INSTS_MACROOP_HH__
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#include "arch/x86/insts/badmicroop.hh"
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#include "arch/x86/insts/static_inst.hh"
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#include "arch/x86/emulenv.hh"
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#include "arch/x86/types.hh"
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namespace X86ISA
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{
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// Base class for combinationally generated macroops
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class MacroopBase : public X86StaticInst
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{
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protected:
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const char *macrocodeBlock;
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const uint32_t numMicroops;
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X86ISA::EmulEnv env;
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//Constructor.
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MacroopBase(const char *mnem, ExtMachInst _machInst,
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uint32_t _numMicroops, X86ISA::EmulEnv _env) :
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X86StaticInst(mnem, _machInst, No_OpClass),
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numMicroops(_numMicroops), env(_env)
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{
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assert(numMicroops);
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microops = new StaticInstPtr[numMicroops];
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flags[IsMacroop] = true;
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}
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~MacroopBase()
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{
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delete [] microops;
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}
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StaticInstPtr * microops;
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StaticInstPtr
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fetchMicroop(MicroPC microPC) const
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{
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if (microPC >= numMicroops)
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return badMicroop;
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else
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return microops[microPC];
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}
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std::string
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generateDisassembly(Addr pc, const SymbolTable *symtab) const
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{
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return mnemonic;
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}
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public:
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ExtMachInst
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getExtMachInst()
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{
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return machInst;
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}
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X86ISA::EmulEnv
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getEmulEnv()
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{
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return env;
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}
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};
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}
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#endif //__ARCH_X86_INSTS_MACROOP_HH__
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