src/cpu/ozone/simple_params.hh

   1
   2
   3 #ifndef __CPU_OZONE_SIMPLE_PARAMS_HH__
   4 #define __CPU_OZONE_SIMPLE_PARAMS_HH__
   5
   6 #include "cpu/ozone/cpu.hh"
   7
   8 //Forward declarations
   9 class AlphaDTB;
  10 class AlphaITB;
  11 class FUPool;
  12 class FunctionalMemory;
  13 class MemInterface;
  14 class PageTable;
  15 class Process;
  16 class System;
  17
  18 /**
  19  * This file defines the parameters that will be used for the OzoneCPU.
  20  * This must be defined externally so that the Impl can have a params class
  21  * defined that it can pass to all of the individual stages.
  22  */
  23
  24 class SimpleParams : public BaseCPU::Params
  25 {
  26   public:
  27
  28 #if FULL_SYSTEM
  29     AlphaITB *itb; AlphaDTB *dtb;
  30 #else
  31     std::vector<Process *> workload;
  32 //    Process *process;
  33 #endif // FULL_SYSTEM
  34
  35     //Page Table
  36     PageTable *pTable;
  37
  38     FunctionalMemory *mem;
  39
  40     //
  41     // Caches
  42     //
  43     MemInterface *icacheInterface;
  44     MemInterface *dcacheInterface;
  45
  46     unsigned cachePorts;
  47     unsigned width;
  48     unsigned frontEndWidth;
  49     unsigned backEndWidth;
  50     unsigned backEndSquashLatency;
  51     unsigned backEndLatency;
  52     unsigned maxInstBufferSize;
  53     unsigned numPhysicalRegs;
  54     unsigned maxOutstandingMemOps;
  55     //
  56     // Fetch
  57     //
  58     unsigned decodeToFetchDelay;
  59     unsigned renameToFetchDelay;
  60     unsigned iewToFetchDelay;
  61     unsigned commitToFetchDelay;
  62     unsigned fetchWidth;
  63
  64     //
  65     // Decode
  66     //
  67     unsigned renameToDecodeDelay;
  68     unsigned iewToDecodeDelay;
  69     unsigned commitToDecodeDelay;
  70     unsigned fetchToDecodeDelay;
  71     unsigned decodeWidth;
  72
  73     //
  74     // Rename
  75     //
  76     unsigned iewToRenameDelay;
  77     unsigned commitToRenameDelay;
  78     unsigned decodeToRenameDelay;
  79     unsigned renameWidth;
  80
  81     //
  82     // IEW
  83     //
  84     unsigned commitToIEWDelay;
  85     unsigned renameToIEWDelay;
  86     unsigned issueToExecuteDelay;
  87     unsigned issueWidth;
  88     unsigned executeWidth;
  89     unsigned executeIntWidth;
  90     unsigned executeFloatWidth;
  91     unsigned executeBranchWidth;
  92     unsigned executeMemoryWidth;
  93     FUPool *fuPool;
  94
  95     //
  96     // Commit
  97     //
  98     unsigned iewToCommitDelay;
  99     unsigned renameToROBDelay;
 100     unsigned commitWidth;
 101     unsigned squashWidth;
 102
 103     //
 104     // Branch predictor (BP & BTB)
 105     //
 106     unsigned localPredictorSize;
 107     unsigned localCtrBits;
 108     unsigned localHistoryTableSize;
 109     unsigned localHistoryBits;
 110     unsigned globalPredictorSize;
 111     unsigned globalCtrBits;
 112     unsigned globalHistoryBits;
 113     unsigned choicePredictorSize;
 114     unsigned choiceCtrBits;
 115
 116     unsigned BTBEntries;
 117     unsigned BTBTagSize;
 118
 119     unsigned RASSize;
 120
 121     //
 122     // Load store queue
 123     //
 124     unsigned LQEntries;
 125     unsigned SQEntries;
 126
 127     //
 128     // Memory dependence
 129     //
 130     unsigned SSITSize;
 131     unsigned LFSTSize;
 132
 133     //
 134     // Miscellaneous
 135     //
 136     unsigned numPhysIntRegs;
 137     unsigned numPhysFloatRegs;
 138     unsigned numIQEntries;
 139     unsigned numROBEntries;
 140
 141     bool decoupledFrontEnd;
 142     int dispatchWidth;
 143     int wbWidth;
 144
 145     //SMT Parameters
 146     unsigned smtNumFetchingThreads;
 147
 148     std::string   smtFetchPolicy;
 149
 150     std::string   smtIQPolicy;
 151     unsigned smtIQThreshold;
 152
 153     std::string   smtLSQPolicy;
 154     unsigned smtLSQThreshold;
 155
 156     std::string   smtCommitPolicy;
 157
 158     std::string   smtROBPolicy;
 159     unsigned smtROBThreshold;
 160
 161     // Probably can get this from somewhere.
 162     unsigned instShiftAmt;
 163 };
 164
 165 #endif // __CPU_OZONE_SIMPLE_PARAMS_HH__