src/cpu/o3/sparc/cpu_builder.cc

   1 /*
   2  * Copyright (c) 2004-2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Gabe Black
  29  */
  30
  31 #include <string>
  32
  33 #include "config/full_system.hh"
  34 #include "config/use_checker.hh"
  35 #include "cpu/base.hh"
  36 #include "cpu/o3/sparc/cpu.hh"
  37 #include "cpu/o3/sparc/impl.hh"
  38 #include "cpu/o3/sparc/params.hh"
  39 #include "cpu/o3/fu_pool.hh"
  40 #include "params/DerivO3CPU.hh"
  41
  42 class DerivO3CPU : public SparcO3CPU<SparcSimpleImpl>
  43 {
  44   public:
  45     DerivO3CPU(SparcSimpleParams *p)
  46         : SparcO3CPU<SparcSimpleImpl>(p)
  47     { }
  48 };
  49
  50 DerivO3CPU *
  51 DerivO3CPUParams::create()
  52 {
  53     DerivO3CPU *cpu;
  54
  55 #if FULL_SYSTEM
  56     // Full-system only supports a single thread for the moment.
  57     int actual_num_threads = 1;
  58 #else
  59     // In non-full-system mode, we infer the number of threads from
  60     // the workload if it's not explicitly specified.
  61     int actual_num_threads =
  62         (numThreads >= workload.size()) ? numThreads : workload.size();
  63
  64     if (workload.size() == 0) {
  65         fatal("Must specify at least one workload!");
  66     }
  67 #endif
  68
  69     SparcSimpleParams *params = new SparcSimpleParams;
  70
  71     params->clock = clock;
  72     params->phase = phase;
  73
  74     params->name = name;
  75     params->numberOfThreads = actual_num_threads;
  76     params->cpu_id = cpu_id;
  77     params->activity = activity;
  78
  79 #if FULL_SYSTEM
  80     params->system = system;
  81     params->itb = itb;
  82     params->dtb = dtb;
  83     params->profile = profile;
  84
  85     params->do_quiesce = do_quiesce;
  86     params->do_checkpoint_insts = do_checkpoint_insts;
  87     params->do_statistics_insts = do_statistics_insts;
  88 #else
  89     params->workload = workload;
  90 #endif // FULL_SYSTEM
  91
  92 #if USE_CHECKER
  93     params->checker = checker;
  94 #endif
  95
  96     params->max_insts_any_thread = max_insts_any_thread;
  97     params->max_insts_all_threads = max_insts_all_threads;
  98     params->max_loads_any_thread = max_loads_any_thread;
  99     params->max_loads_all_threads = max_loads_all_threads;
 100     params->progress_interval = progress_interval;
 101
 102     //
 103     // Caches
 104     //
 105     params->cachePorts = cachePorts;
 106
 107     params->decodeToFetchDelay = decodeToFetchDelay;
 108     params->renameToFetchDelay = renameToFetchDelay;
 109     params->iewToFetchDelay = iewToFetchDelay;
 110     params->commitToFetchDelay = commitToFetchDelay;
 111     params->fetchWidth = fetchWidth;
 112
 113     params->renameToDecodeDelay = renameToDecodeDelay;
 114     params->iewToDecodeDelay = iewToDecodeDelay;
 115     params->commitToDecodeDelay = commitToDecodeDelay;
 116     params->fetchToDecodeDelay = fetchToDecodeDelay;
 117     params->decodeWidth = decodeWidth;
 118
 119     params->iewToRenameDelay = iewToRenameDelay;
 120     params->commitToRenameDelay = commitToRenameDelay;
 121     params->decodeToRenameDelay = decodeToRenameDelay;
 122     params->renameWidth = renameWidth;
 123
 124     params->commitToIEWDelay = commitToIEWDelay;
 125     params->renameToIEWDelay = renameToIEWDelay;
 126     params->issueToExecuteDelay = issueToExecuteDelay;
 127     params->dispatchWidth = dispatchWidth;
 128     params->issueWidth = issueWidth;
 129     params->wbWidth = wbWidth;
 130     params->wbDepth = wbDepth;
 131     params->fuPool = fuPool;
 132
 133     params->iewToCommitDelay = iewToCommitDelay;
 134     params->renameToROBDelay = renameToROBDelay;
 135     params->commitWidth = commitWidth;
 136     params->squashWidth = squashWidth;
 137     params->trapLatency = trapLatency;
 138
 139     params->backComSize = backComSize;
 140     params->forwardComSize = forwardComSize;
 141
 142     params->predType = predType;
 143     params->localPredictorSize = localPredictorSize;
 144     params->localCtrBits = localCtrBits;
 145     params->localHistoryTableSize = localHistoryTableSize;
 146     params->localHistoryBits = localHistoryBits;
 147     params->globalPredictorSize = globalPredictorSize;
 148     params->globalCtrBits = globalCtrBits;
 149     params->globalHistoryBits = globalHistoryBits;
 150     params->choicePredictorSize = choicePredictorSize;
 151     params->choiceCtrBits = choiceCtrBits;
 152
 153     params->BTBEntries = BTBEntries;
 154     params->BTBTagSize = BTBTagSize;
 155
 156     params->RASSize = RASSize;
 157
 158     params->LQEntries = LQEntries;
 159     params->SQEntries = SQEntries;
 160
 161     params->SSITSize = SSITSize;
 162     params->LFSTSize = LFSTSize;
 163
 164     params->numPhysIntRegs = numPhysIntRegs;
 165     params->numPhysFloatRegs = numPhysFloatRegs;
 166     params->numIQEntries = numIQEntries;
 167     params->numROBEntries = numROBEntries;
 168
 169     params->smtNumFetchingThreads = smtNumFetchingThreads;
 170
 171     // Default smtFetchPolicy to "RoundRobin", if necessary.
 172     std::string round_robin_policy = "RoundRobin";
 173     std::string single_thread = "SingleThread";
 174
 175     if (actual_num_threads > 1 && single_thread.compare(smtFetchPolicy) == 0)
 176         params->smtFetchPolicy = round_robin_policy;
 177     else
 178         params->smtFetchPolicy = smtFetchPolicy;
 179
 180     params->smtIQPolicy    = smtIQPolicy;
 181     params->smtLSQPolicy    = smtLSQPolicy;
 182     params->smtLSQThreshold = smtLSQThreshold;
 183     params->smtROBPolicy   = smtROBPolicy;
 184     params->smtROBThreshold = smtROBThreshold;
 185     params->smtCommitPolicy = smtCommitPolicy;
 186
 187     params->instShiftAmt = 2;
 188
 189     params->deferRegistration = defer_registration;
 190
 191     params->functionTrace = function_trace;
 192     params->functionTraceStart = function_trace_start;
 193
 194     cpu = new DerivO3CPU(params);
 195
 196     return cpu;
 197 }