macroop.hh revision 7087:fb8d5786ff30
1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Gabe Black 38 */ 39 40#ifndef __ARCH_X86_INSTS_MACROOP_HH__ 41#define __ARCH_X86_INSTS_MACROOP_HH__ 42 43#include "arch/x86/emulenv.hh" 44#include "arch/x86/types.hh" 45#include "arch/x86/insts/static_inst.hh" 46 47namespace X86ISA 48{ 49// Base class for combinationally generated macroops 50class MacroopBase : public X86StaticInst 51{ 52 protected: 53 const char *macrocodeBlock; 54 55 const uint32_t numMicroops; 56 X86ISA::EmulEnv env; 57 58 //Constructor. 59 MacroopBase(const char *mnem, ExtMachInst _machInst, 60 uint32_t _numMicroops, X86ISA::EmulEnv _env) : 61 X86StaticInst(mnem, _machInst, No_OpClass), 62 numMicroops(_numMicroops), env(_env) 63 { 64 assert(numMicroops); 65 microops = new StaticInstPtr[numMicroops]; 66 flags[IsMacroop] = true; 67 } 68 69 ~MacroopBase() 70 { 71 delete [] microops; 72 } 73 74 StaticInstPtr * microops; 75 76 StaticInstPtr fetchMicroop(MicroPC microPC) 77 { 78 assert(microPC < numMicroops); 79 return microops[microPC]; 80 } 81 82 std::string 83 generateDisassembly(Addr pc, const SymbolTable *symtab) const 84 { 85 return mnemonic; 86 } 87 88 public: 89 ExtMachInst 90 getExtMachInst() 91 { 92 return machInst; 93 } 94 95 X86ISA::EmulEnv 96 getEmulEnv() 97 { 98 return env; 99 } 100}; 101} 102 103#endif //__ARCH_X86_INSTS_MACROOP_HH__ 104