func_unit.hh revision 2736
12736Sktlim@umich.edu/* 22736Sktlim@umich.edu * Copyright (c) 2002-2006 The Regents of The University of Michigan 32736Sktlim@umich.edu * All rights reserved. 42736Sktlim@umich.edu * 52736Sktlim@umich.edu * Redistribution and use in source and binary forms, with or without 62736Sktlim@umich.edu * modification, are permitted provided that the following conditions are 72736Sktlim@umich.edu * met: redistributions of source code must retain the above copyright 82736Sktlim@umich.edu * notice, this list of conditions and the following disclaimer; 92736Sktlim@umich.edu * redistributions in binary form must reproduce the above copyright 102736Sktlim@umich.edu * notice, this list of conditions and the following disclaimer in the 112736Sktlim@umich.edu * documentation and/or other materials provided with the distribution; 122736Sktlim@umich.edu * neither the name of the copyright holders nor the names of its 132736Sktlim@umich.edu * contributors may be used to endorse or promote products derived from 142736Sktlim@umich.edu * this software without specific prior written permission. 152736Sktlim@umich.edu * 162736Sktlim@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172736Sktlim@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182736Sktlim@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192736Sktlim@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202736Sktlim@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212736Sktlim@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222736Sktlim@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232736Sktlim@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242736Sktlim@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252736Sktlim@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262736Sktlim@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272736Sktlim@umich.edu * 282736Sktlim@umich.edu * Authors: Steve Raasch 292736Sktlim@umich.edu */ 302736Sktlim@umich.edu 312736Sktlim@umich.edu#ifndef __CPU_FUNC_UNIT_HH__ 322736Sktlim@umich.edu#define __CPU_FUNC_UNIT_HH__ 332736Sktlim@umich.edu 342736Sktlim@umich.edu#include <bitset> 352736Sktlim@umich.edu#include <string> 362736Sktlim@umich.edu#include <vector> 372736Sktlim@umich.edu 382736Sktlim@umich.edu#include "cpu/op_class.hh" 392736Sktlim@umich.edu#include "sim/sim_object.hh" 402736Sktlim@umich.edu 412736Sktlim@umich.edu//////////////////////////////////////////////////////////////////////////// 422736Sktlim@umich.edu// 432736Sktlim@umich.edu// Structures used ONLY during the initialization phase... 442736Sktlim@umich.edu// 452736Sktlim@umich.edu// 462736Sktlim@umich.edu// 472736Sktlim@umich.edu 482736Sktlim@umich.edustruct OpDesc : public SimObject 492736Sktlim@umich.edu{ 502736Sktlim@umich.edu OpClass opClass; 512736Sktlim@umich.edu unsigned opLat; 522736Sktlim@umich.edu unsigned issueLat; 532736Sktlim@umich.edu 542736Sktlim@umich.edu OpDesc(std::string name, OpClass c, unsigned o, unsigned i) 552736Sktlim@umich.edu : SimObject(name), opClass(c), opLat(o), issueLat(i) {}; 562736Sktlim@umich.edu}; 572736Sktlim@umich.edu 582736Sktlim@umich.edustruct FUDesc : public SimObject 592736Sktlim@umich.edu{ 602736Sktlim@umich.edu std::vector<OpDesc *> opDescList; 612736Sktlim@umich.edu unsigned number; 622736Sktlim@umich.edu 632736Sktlim@umich.edu FUDesc(std::string name, std::vector<OpDesc *> l, unsigned n) 642736Sktlim@umich.edu : SimObject(name), opDescList(l), number(n) {}; 652736Sktlim@umich.edu}; 662736Sktlim@umich.edu 672736Sktlim@umich.edutypedef std::vector<OpDesc *>::iterator OPDDiterator; 682736Sktlim@umich.edutypedef std::vector<FUDesc *>::iterator FUDDiterator; 692736Sktlim@umich.edu 702736Sktlim@umich.edu 712736Sktlim@umich.edu 722736Sktlim@umich.edu 732736Sktlim@umich.edu//////////////////////////////////////////////////////////////////////////// 742736Sktlim@umich.edu// 752736Sktlim@umich.edu// The actual FU object 762736Sktlim@umich.edu// 772736Sktlim@umich.edu// 782736Sktlim@umich.edu// 792736Sktlim@umich.educlass FuncUnit 802736Sktlim@umich.edu{ 812736Sktlim@umich.edu private: 822736Sktlim@umich.edu unsigned opLatencies[Num_OpClasses]; 832736Sktlim@umich.edu unsigned issueLatencies[Num_OpClasses]; 842736Sktlim@umich.edu std::bitset<Num_OpClasses> capabilityList; 852736Sktlim@umich.edu 862736Sktlim@umich.edu public: 872736Sktlim@umich.edu FuncUnit(); 882736Sktlim@umich.edu FuncUnit(const FuncUnit &fu); 892736Sktlim@umich.edu 902736Sktlim@umich.edu std::string name; 912736Sktlim@umich.edu 922736Sktlim@umich.edu void addCapability(OpClass cap, unsigned oplat, unsigned issuelat); 932736Sktlim@umich.edu 942736Sktlim@umich.edu bool provides(OpClass capability); 952736Sktlim@umich.edu std::bitset<Num_OpClasses> capabilities(); 962736Sktlim@umich.edu 972736Sktlim@umich.edu unsigned &opLatency(OpClass capability); 982736Sktlim@umich.edu unsigned issueLatency(OpClass capability); 992736Sktlim@umich.edu}; 1002736Sktlim@umich.edu 1012736Sktlim@umich.edu#endif // __FU_POOL_HH__ 102