deriv.cc revision 8793
14403Srdreslin@umich.edu/* 21693Sstever@eecs.umich.edu * Copyright (c) 2004-2006 The Regents of The University of Michigan 31693Sstever@eecs.umich.edu * All rights reserved. 41693Sstever@eecs.umich.edu * 51693Sstever@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 61693Sstever@eecs.umich.edu * modification, are permitted provided that the following conditions are 71693Sstever@eecs.umich.edu * met: redistributions of source code must retain the above copyright 81693Sstever@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 91693Sstever@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 101693Sstever@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 111693Sstever@eecs.umich.edu * documentation and/or other materials provided with the distribution; 121693Sstever@eecs.umich.edu * neither the name of the copyright holders nor the names of its 131693Sstever@eecs.umich.edu * contributors may be used to endorse or promote products derived from 141693Sstever@eecs.umich.edu * this software without specific prior written permission. 151693Sstever@eecs.umich.edu * 161693Sstever@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 171693Sstever@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 181693Sstever@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 191693Sstever@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 201693Sstever@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 211693Sstever@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 221693Sstever@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231693Sstever@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241693Sstever@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251693Sstever@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 261693Sstever@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271693Sstever@eecs.umich.edu * 281693Sstever@eecs.umich.edu * Authors: Kevin Lim 293358Srdreslin@umich.edu */ 303358Srdreslin@umich.edu 311516SN/A#include <string> 326654Snate@binkert.org 336654Snate@binkert.org#include "config/full_system.hh" 346654Snate@binkert.org#include "config/use_checker.hh" 356654Snate@binkert.org#include "cpu/o3/cpu.hh" 363358Srdreslin@umich.edu#include "cpu/o3/impl.hh" 373358Srdreslin@umich.edu#include "params/DerivO3CPU.hh" 386654Snate@binkert.org 396654Snate@binkert.orgclass DerivO3CPU : public FullO3CPU<O3CPUImpl> 401516SN/A{ 413358Srdreslin@umich.edu public: 423358Srdreslin@umich.edu DerivO3CPU(DerivO3CPUParams *p) 433358Srdreslin@umich.edu : FullO3CPU<O3CPUImpl>(p) 443358Srdreslin@umich.edu { } 453358Srdreslin@umich.edu}; 463358Srdreslin@umich.edu 473358Srdreslin@umich.eduDerivO3CPU * 483358Srdreslin@umich.eduDerivO3CPUParams::create() 493358Srdreslin@umich.edu{ 503358Srdreslin@umich.edu ThreadID actual_num_threads; 513358Srdreslin@umich.edu if (FullSystem) { 523358Srdreslin@umich.edu // Full-system only supports a single thread for the moment. 533360Srdreslin@umich.edu actual_num_threads = 1; 543358Srdreslin@umich.edu } else { 553360Srdreslin@umich.edu if (workload.size() > numThreads) { 563360Srdreslin@umich.edu fatal("Workload Size (%i) > Max Supported Threads (%i) on This CPU", 573360Srdreslin@umich.edu workload.size(), numThreads); 585255Ssaidi@eecs.umich.edu } else if (workload.size() == 0) { 593360Srdreslin@umich.edu fatal("Must specify at least one workload!"); 603360Srdreslin@umich.edu } 613360Srdreslin@umich.edu 625255Ssaidi@eecs.umich.edu // In non-full-system mode, we infer the number of threads from 633358Srdreslin@umich.edu // the workload if it's not explicitly specified. 644403Srdreslin@umich.edu actual_num_threads = 653360Srdreslin@umich.edu (numThreads >= workload.size()) ? numThreads : workload.size(); 663358Srdreslin@umich.edu } 673358Srdreslin@umich.edu 683358Srdreslin@umich.edu numThreads = actual_num_threads; 693358Srdreslin@umich.edu 703358Srdreslin@umich.edu // Default smtFetchPolicy to "RoundRobin", if necessary. 713358Srdreslin@umich.edu std::string round_robin_policy = "RoundRobin"; 723358Srdreslin@umich.edu std::string single_thread = "SingleThread"; 733358Srdreslin@umich.edu 743358Srdreslin@umich.edu if (actual_num_threads > 1 && single_thread.compare(smtFetchPolicy) == 0) 753360Srdreslin@umich.edu smtFetchPolicy = round_robin_policy; 763360Srdreslin@umich.edu else 773360Srdreslin@umich.edu smtFetchPolicy = smtFetchPolicy; 783360Srdreslin@umich.edu 793358Srdreslin@umich.edu instShiftAmt = 2; 803358Srdreslin@umich.edu 813358Srdreslin@umich.edu return new DerivO3CPU(this); 823358Srdreslin@umich.edu} 834403Srdreslin@umich.edu