func_unit.hh revision 5034
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" 395034Smilesck@eecs.umich.edu#include "params/OpDesc.hh" 405034Smilesck@eecs.umich.edu#include "params/FUDesc.hh" 412736Sktlim@umich.edu#include "sim/sim_object.hh" 422736Sktlim@umich.edu 432736Sktlim@umich.edu//////////////////////////////////////////////////////////////////////////// 442736Sktlim@umich.edu// 452736Sktlim@umich.edu// Structures used ONLY during the initialization phase... 462736Sktlim@umich.edu// 472736Sktlim@umich.edu// 482736Sktlim@umich.edu// 492736Sktlim@umich.edu 502736Sktlim@umich.edustruct OpDesc : public SimObject 512736Sktlim@umich.edu{ 522736Sktlim@umich.edu OpClass opClass; 532736Sktlim@umich.edu unsigned opLat; 542736Sktlim@umich.edu unsigned issueLat; 552736Sktlim@umich.edu 565034Smilesck@eecs.umich.edu OpDesc(const OpDescParams *p) 575034Smilesck@eecs.umich.edu : SimObject(p), opClass(p->opClass), opLat(p->opLat), 585034Smilesck@eecs.umich.edu issueLat(p->issueLat) {}; 592736Sktlim@umich.edu}; 602736Sktlim@umich.edu 612736Sktlim@umich.edustruct FUDesc : public SimObject 622736Sktlim@umich.edu{ 632736Sktlim@umich.edu std::vector<OpDesc *> opDescList; 642736Sktlim@umich.edu unsigned number; 652736Sktlim@umich.edu 665034Smilesck@eecs.umich.edu FUDesc(const FUDescParams *p) 675034Smilesck@eecs.umich.edu : SimObject(p), opDescList(p->opList), number(p->count) {}; 682736Sktlim@umich.edu}; 692736Sktlim@umich.edu 705034Smilesck@eecs.umich.edutypedef std::vector<OpDesc *>::const_iterator OPDDiterator; 715034Smilesck@eecs.umich.edutypedef std::vector<FUDesc *>::const_iterator FUDDiterator; 722736Sktlim@umich.edu 732736Sktlim@umich.edu 742736Sktlim@umich.edu 752736Sktlim@umich.edu 762736Sktlim@umich.edu//////////////////////////////////////////////////////////////////////////// 772736Sktlim@umich.edu// 782736Sktlim@umich.edu// The actual FU object 792736Sktlim@umich.edu// 802736Sktlim@umich.edu// 812736Sktlim@umich.edu// 822736Sktlim@umich.educlass FuncUnit 832736Sktlim@umich.edu{ 842736Sktlim@umich.edu private: 852736Sktlim@umich.edu unsigned opLatencies[Num_OpClasses]; 862736Sktlim@umich.edu unsigned issueLatencies[Num_OpClasses]; 872736Sktlim@umich.edu std::bitset<Num_OpClasses> capabilityList; 882736Sktlim@umich.edu 892736Sktlim@umich.edu public: 902736Sktlim@umich.edu FuncUnit(); 912736Sktlim@umich.edu FuncUnit(const FuncUnit &fu); 922736Sktlim@umich.edu 932736Sktlim@umich.edu std::string name; 942736Sktlim@umich.edu 952736Sktlim@umich.edu void addCapability(OpClass cap, unsigned oplat, unsigned issuelat); 962736Sktlim@umich.edu 972736Sktlim@umich.edu bool provides(OpClass capability); 982736Sktlim@umich.edu std::bitset<Num_OpClasses> capabilities(); 992736Sktlim@umich.edu 1002736Sktlim@umich.edu unsigned &opLatency(OpClass capability); 1012736Sktlim@umich.edu unsigned issueLatency(OpClass capability); 1022736Sktlim@umich.edu}; 1032736Sktlim@umich.edu 1042736Sktlim@umich.edu#endif // __FU_POOL_HH__ 105