cpu/beta_cpu/alpha_params.hh

   1 #ifndef __ALPHA_SIMPLE_PARAMS_HH__
   2 #define __ALPHA_SIMPLE_PARAMS_HH__
   3
   4 #include "cpu/beta_cpu/full_cpu.hh"
   5
   6 //Forward declarations
   7 class System;
   8 class AlphaITB;
   9 class AlphaDTB;
  10 class FunctionalMemory;
  11 class Process;
  12 class MemInterface;
  13
  14 /**
  15  * This file defines the parameters that will be used for the AlphaFullCPU.
  16  * This must be defined externally so that the Impl can have a params class
  17  * defined that it can pass to all of the individual stages.
  18  */
  19
  20 class AlphaSimpleParams : public BaseFullCPU::Params
  21 {
  22   public:
  23 #ifdef FULL_SYSTEM
  24     AlphaITB *itb; AlphaDTB *dtb;
  25 #else
  26     std::vector<Process *> workload;
  27     Process *process;
  28     short asid;
  29 #endif // FULL_SYSTEM
  30
  31     FunctionalMemory *mem;
  32
  33     //
  34     // Caches
  35     //
  36     MemInterface *icacheInterface;
  37     MemInterface *dcacheInterface;
  38
  39     //
  40     // Fetch
  41     //
  42     unsigned decodeToFetchDelay;
  43     unsigned renameToFetchDelay;
  44     unsigned iewToFetchDelay;
  45     unsigned commitToFetchDelay;
  46     unsigned fetchWidth;
  47
  48     //
  49     // Decode
  50     //
  51     unsigned renameToDecodeDelay;
  52     unsigned iewToDecodeDelay;
  53     unsigned commitToDecodeDelay;
  54     unsigned fetchToDecodeDelay;
  55     unsigned decodeWidth;
  56
  57     //
  58     // Rename
  59     //
  60     unsigned iewToRenameDelay;
  61     unsigned commitToRenameDelay;
  62     unsigned decodeToRenameDelay;
  63     unsigned renameWidth;
  64
  65     //
  66     // IEW
  67     //
  68     unsigned commitToIEWDelay;
  69     unsigned renameToIEWDelay;
  70     unsigned issueToExecuteDelay;
  71     unsigned issueWidth;
  72     unsigned executeWidth;
  73     unsigned executeIntWidth;
  74     unsigned executeFloatWidth;
  75     unsigned executeBranchWidth;
  76     unsigned executeMemoryWidth;
  77
  78     //
  79     // Commit
  80     //
  81     unsigned iewToCommitDelay;
  82     unsigned renameToROBDelay;
  83     unsigned commitWidth;
  84     unsigned squashWidth;
  85
  86     //
  87     // Branch predictor (BP & BTB)
  88     //
  89 /*
  90     unsigned localPredictorSize;
  91     unsigned localPredictorCtrBits;
  92 */
  93
  94     unsigned local_predictor_size;
  95     unsigned local_ctr_bits;
  96     unsigned local_history_table_size;
  97     unsigned local_history_bits;
  98     unsigned global_predictor_size;
  99     unsigned global_ctr_bits;
 100     unsigned global_history_bits;
 101     unsigned choice_predictor_size;
 102     unsigned choice_ctr_bits;
 103
 104     unsigned BTBEntries;
 105     unsigned BTBTagSize;
 106
 107     unsigned RASSize;
 108
 109     //
 110     // Load store queue
 111     //
 112     unsigned LQEntries;
 113     unsigned SQEntries;
 114
 115     //
 116     // Memory dependence
 117     //
 118     unsigned SSITSize;
 119     unsigned LFSTSize;
 120
 121     //
 122     // Miscellaneous
 123     //
 124     unsigned numPhysIntRegs;
 125     unsigned numPhysFloatRegs;
 126     unsigned numIQEntries;
 127     unsigned numROBEntries;
 128
 129     // Probably can get this from somewhere.
 130     unsigned instShiftAmt;
 131
 132     bool defReg;
 133 };
 134
 135 #endif