src/cpu/ozone/simple_cpu_builder.cc

   1 /*
   2  * Copyright (c) 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: Kevin Lim
  29  */
  30
  31 #include <string>
  32
  33 #include "cpu/checker/cpu.hh"
  34 #include "cpu/ozone/cpu_impl.hh"
  35 #include "cpu/ozone/simple_impl.hh"
  36 #include "cpu/ozone/simple_params.hh"
  37 #include "cpu/inst_seq.hh"
  38 #include "mem/cache/base.hh"
  39 #include "sim/SimpleOzoneCPU.hh"
  40 #include "sim/process.hh"
  41 #include "sim/sim_object.hh"
  42
  43 template
  44 class OzoneCPU<SimpleImpl>;
  45
  46 class SimpleOzoneCPU : public OzoneCPU<SimpleImpl>
  47 {
  48   public:
  49     SimpleOzoneCPU(SimpleParams *p)
  50         : OzoneCPU<SimpleImpl>(p)
  51     { }
  52 };
  53
  54 ////////////////////////////////////////////////////////////////////////
  55 //
  56 //  OzoneCPU Simulation Object
  57 //
  58 SimpleOzoneCPU *
  59 SimpleOzoneCPUParams::create()
  60 {
  61     SimpleOzoneCPU *cpu;
  62
  63     if (FullSystem) {
  64         // Full-system only supports a single thread for the moment.
  65         ThreadID actual_num_threads = 1;
  66     } else {
  67         // In non-full-system mode, we infer the number of threads from
  68         // the workload if it's not explicitly specified.
  69         ThreadID actual_num_threads =
  70             numThreads.isValid() ? numThreads : workload.size();
  71
  72         if (workload.size() == 0) {
  73             fatal("Must specify at least one workload!");
  74         }
  75     }
  76
  77     SimpleParams *params = new SimpleParams;
  78
  79     params->clock = clock;
  80
  81     params->name = name;
  82     params->numberOfThreads = actual_num_threads;
  83
  84     params->itb = itb;
  85     params->dtb = dtb;
  86
  87     params->system = system;
  88     params->cpu_id = cpu_id;
  89     params->workload = workload;
  90
  91     params->mem = mem;
  92     params->checker = checker;
  93     params->max_insts_any_thread = max_insts_any_thread;
  94     params->max_insts_all_threads = max_insts_all_threads;
  95     params->max_loads_any_thread = max_loads_any_thread;
  96     params->max_loads_all_threads = max_loads_all_threads;
  97
  98     //
  99     // Caches
 100     //
 101     params->icacheInterface = icache ? icache->getInterface() : NULL;
 102     params->dcacheInterface = dcache ? dcache->getInterface() : NULL;
 103     params->cachePorts = cachePorts;
 104
 105     params->width = width;
 106     params->frontEndWidth = frontEndWidth;
 107     params->backEndWidth = backEndWidth;
 108     params->backEndSquashLatency = backEndSquashLatency;
 109     params->backEndLatency = backEndLatency;
 110     params->maxInstBufferSize = maxInstBufferSize;
 111     params->numPhysicalRegs = numPhysIntRegs + numPhysFloatRegs;
 112
 113     params->decodeToFetchDelay = decodeToFetchDelay;
 114     params->renameToFetchDelay = renameToFetchDelay;
 115     params->iewToFetchDelay = iewToFetchDelay;
 116     params->commitToFetchDelay = commitToFetchDelay;
 117     params->fetchWidth = fetchWidth;
 118
 119     params->renameToDecodeDelay = renameToDecodeDelay;
 120     params->iewToDecodeDelay = iewToDecodeDelay;
 121     params->commitToDecodeDelay = commitToDecodeDelay;
 122     params->fetchToDecodeDelay = fetchToDecodeDelay;
 123     params->decodeWidth = decodeWidth;
 124
 125     params->iewToRenameDelay = iewToRenameDelay;
 126     params->commitToRenameDelay = commitToRenameDelay;
 127     params->decodeToRenameDelay = decodeToRenameDelay;
 128     params->renameWidth = renameWidth;
 129
 130     params->commitToIEWDelay = commitToIEWDelay;
 131     params->renameToIEWDelay = renameToIEWDelay;
 132     params->issueToExecuteDelay = issueToExecuteDelay;
 133     params->issueWidth = issueWidth;
 134     params->executeWidth = executeWidth;
 135     params->executeIntWidth = executeIntWidth;
 136     params->executeFloatWidth = executeFloatWidth;
 137     params->executeBranchWidth = executeBranchWidth;
 138     params->executeMemoryWidth = executeMemoryWidth;
 139
 140     params->iewToCommitDelay = iewToCommitDelay;
 141     params->renameToROBDelay = renameToROBDelay;
 142     params->commitWidth = commitWidth;
 143     params->squashWidth = squashWidth;
 144
 145     params->predType = predType;
 146     params->localPredictorSize = localPredictorSize;
 147     params->localCtrBits = localCtrBits;
 148     params->localHistoryTableSize = localHistoryTableSize;
 149     params->localHistoryBits = localHistoryBits;
 150     params->globalPredictorSize = globalPredictorSize;
 151     params->globalCtrBits = globalCtrBits;
 152     params->globalHistoryBits = globalHistoryBits;
 153     params->choicePredictorSize = choicePredictorSize;
 154     params->choiceCtrBits = choiceCtrBits;
 155
 156     params->BTBEntries = BTBEntries;
 157     params->BTBTagSize = BTBTagSize;
 158
 159     params->RASSize = RASSize;
 160
 161     params->LQEntries = LQEntries;
 162     params->SQEntries = SQEntries;
 163
 164     params->SSITSize = SSITSize;
 165     params->LFSTSize = LFSTSize;
 166
 167     params->numPhysIntRegs = numPhysIntRegs;
 168     params->numPhysFloatRegs = numPhysFloatRegs;
 169     params->numIQEntries = numIQEntries;
 170     params->numROBEntries = numROBEntries;
 171
 172     params->decoupledFrontEnd = decoupledFrontEnd;
 173     params->dispatchWidth = dispatchWidth;
 174     params->wbWidth = wbWidth;
 175
 176     params->smtNumFetchingThreads = smtNumFetchingThreads;
 177     params->smtFetchPolicy = smtFetchPolicy;
 178     params->smtIQPolicy    = smtIQPolicy;
 179     params->smtLSQPolicy    = smtLSQPolicy;
 180     params->smtLSQThreshold = smtLSQThreshold;
 181     params->smtROBPolicy   = smtROBPolicy;
 182     params->smtROBThreshold = smtROBThreshold;
 183     params->smtCommitPolicy = smtCommitPolicy;
 184
 185     params->instShiftAmt = 2;
 186
 187     params->deferRegistration = defer_registration;
 188
 189     params->functionTrace = function_trace;
 190     params->functionTraceStart = function_trace_start;
 191
 192     cpu = new SimpleOzoneCPU(params);
 193
 194     return cpu;
 195 }