microcode_rom.hh revision 7966
15664Sgblack@eecs.umich.edu/* 25664Sgblack@eecs.umich.edu * Copyright (c) 2008 The Regents of The University of Michigan 35664Sgblack@eecs.umich.edu * All rights reserved. 45664Sgblack@eecs.umich.edu * 55664Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 65664Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 75664Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 85664Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 95664Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 105664Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 115664Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 125664Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 135664Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 145664Sgblack@eecs.umich.edu * this software without specific prior written permission. 155664Sgblack@eecs.umich.edu * 165664Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175664Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185664Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195664Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205664Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215664Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225664Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235664Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245664Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255664Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265664Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275664Sgblack@eecs.umich.edu * 285664Sgblack@eecs.umich.edu * Authors: Gabe Black 295664Sgblack@eecs.umich.edu */ 305664Sgblack@eecs.umich.edu 315664Sgblack@eecs.umich.edu#ifndef __ARCH_X86_MICROCODE_ROM_HH__ 325664Sgblack@eecs.umich.edu#define __ARCH_X86_MICROCODE_ROM_HH__ 335664Sgblack@eecs.umich.edu 345666Sgblack@eecs.umich.edu#include "arch/x86/emulenv.hh" 357966Sgblack@eecs.umich.edu#include "arch/x86/insts/badmicroop.hh" 365666Sgblack@eecs.umich.edu#include "cpu/static_inst.hh" 375666Sgblack@eecs.umich.edu 385666Sgblack@eecs.umich.edunamespace X86ISAInst 395666Sgblack@eecs.umich.edu{ 405666Sgblack@eecs.umich.edu class MicrocodeRom 415666Sgblack@eecs.umich.edu { 425666Sgblack@eecs.umich.edu protected: 435666Sgblack@eecs.umich.edu 445666Sgblack@eecs.umich.edu typedef StaticInstPtr (*GenFunc)(StaticInstPtr); 455666Sgblack@eecs.umich.edu 465666Sgblack@eecs.umich.edu static const MicroPC numMicroops; 475666Sgblack@eecs.umich.edu 485666Sgblack@eecs.umich.edu GenFunc * genFuncs; 495666Sgblack@eecs.umich.edu 505666Sgblack@eecs.umich.edu public: 515666Sgblack@eecs.umich.edu //Constructor. 525666Sgblack@eecs.umich.edu MicrocodeRom(); 535666Sgblack@eecs.umich.edu 545666Sgblack@eecs.umich.edu //Destructor. 555666Sgblack@eecs.umich.edu ~MicrocodeRom() 565666Sgblack@eecs.umich.edu { 575666Sgblack@eecs.umich.edu delete [] genFuncs; 585666Sgblack@eecs.umich.edu } 595666Sgblack@eecs.umich.edu 605666Sgblack@eecs.umich.edu StaticInstPtr 615666Sgblack@eecs.umich.edu fetchMicroop(MicroPC microPC, StaticInstPtr curMacroop) 625666Sgblack@eecs.umich.edu { 635666Sgblack@eecs.umich.edu microPC = normalMicroPC(microPC); 647966Sgblack@eecs.umich.edu if (microPC >= numMicroops) 657966Sgblack@eecs.umich.edu return X86ISA::badMicroop; 667966Sgblack@eecs.umich.edu else 677966Sgblack@eecs.umich.edu return genFuncs[microPC](curMacroop); 685666Sgblack@eecs.umich.edu } 695666Sgblack@eecs.umich.edu }; 705666Sgblack@eecs.umich.edu} 715664Sgblack@eecs.umich.edu 725664Sgblack@eecs.umich.edunamespace X86ISA 735664Sgblack@eecs.umich.edu{ 745666Sgblack@eecs.umich.edu using X86ISAInst::MicrocodeRom; 755664Sgblack@eecs.umich.edu} 765664Sgblack@eecs.umich.edu 775664Sgblack@eecs.umich.edu#endif // __ARCH_X86_MICROCODE_ROM_HH__ 78