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Diffstat (limited to 'src/arch/x86/insts')
-rw-r--r-- | src/arch/x86/insts/macroop.hh | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/arch/x86/insts/macroop.hh b/src/arch/x86/insts/macroop.hh new file mode 100644 index 000000000..d89a693ba --- /dev/null +++ b/src/arch/x86/insts/macroop.hh @@ -0,0 +1,119 @@ +/* + * 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_MACROOP_HH__ +#define __ARCH_X86_INSTS_MACROOP_HH__ + +#include "arch/x86/emulenv.hh" +#include "arch/x86/types.hh" +#include "arch/x86/insts/static_inst.hh" + +namespace X86ISA +{ +// Base class for combinationally generated macroops +class MacroopBase : public StaticInst +{ + protected: + const uint32_t numMicroops; + X86ISA::EmulEnv emulEnv; + + //Constructor. + MacroopBase(const char *mnem, ExtMachInst _machInst, + uint32_t _numMicroops, X86ISA::EmulEnv _emulEnv) + : StaticInst(mnem, _machInst, No_OpClass), + numMicroops(_numMicroops), emulEnv(_emulEnv) + { + assert(numMicroops); + microops = new StaticInstPtr[numMicroops]; + flags[IsMacroop] = true; + } + + ~MacroopBase() + { + delete [] microops; + } + + StaticInstPtr * microops; + + StaticInstPtr fetchMicroop(MicroPC microPC) + { + assert(microPC < numMicroops); + return microops[microPC]; + } + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return mnemonic; + } + + public: + ExtMachInst + getExtMachInst() + { + return machInst; + } + + X86ISA::EmulEnv + getEmulEnv() + { + return emulEnv; + } +}; +} + +#endif //__ARCH_X86_INSTS_MACROOP_HH__ |