src/python/m5/objects/SimpleOzoneCPU.py

   1 from m5.params import *
   2 from m5 import build_env
   3 from BaseCPU import BaseCPU
   4
   5 class SimpleOzoneCPU(BaseCPU):
   6     type = 'SimpleOzoneCPU'
   7
   8     numThreads = Param.Unsigned("number of HW thread contexts")
   9
  10     if not build_env['FULL_SYSTEM']:
  11         mem = Param.FunctionalMemory(NULL, "memory")
  12
  13     width = Param.Unsigned("Width")
  14     frontEndWidth = Param.Unsigned("Front end width")
  15     backEndWidth = Param.Unsigned("Back end width")
  16     backEndSquashLatency = Param.Unsigned("Back end squash latency")
  17     backEndLatency = Param.Unsigned("Back end latency")
  18     maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
  19     decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
  20     renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
  21     iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
  22                "delay")
  23     commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
  24     fetchWidth = Param.Unsigned("Fetch width")
  25
  26     renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
  27     iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
  28                "delay")
  29     commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
  30     fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
  31     decodeWidth = Param.Unsigned("Decode width")
  32
  33     iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
  34                "delay")
  35     commitToRenameDelay = Param.Unsigned("Commit to rename delay")
  36     decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
  37     renameWidth = Param.Unsigned("Rename width")
  38
  39     commitToIEWDelay = Param.Unsigned("Commit to "
  40                "Issue/Execute/Writeback delay")
  41     renameToIEWDelay = Param.Unsigned("Rename to "
  42                "Issue/Execute/Writeback delay")
  43     issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
  44               "to the IEW stage)")
  45     issueWidth = Param.Unsigned("Issue width")
  46     executeWidth = Param.Unsigned("Execute width")
  47     executeIntWidth = Param.Unsigned("Integer execute width")
  48     executeFloatWidth = Param.Unsigned("Floating point execute width")
  49     executeBranchWidth = Param.Unsigned("Branch execute width")
  50     executeMemoryWidth = Param.Unsigned("Memory execute width")
  51
  52     iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
  53                "delay")
  54     renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
  55     commitWidth = Param.Unsigned("Commit width")
  56     squashWidth = Param.Unsigned("Squash width")
  57
  58     localPredictorSize = Param.Unsigned("Size of local predictor")
  59     localCtrBits = Param.Unsigned("Bits per counter")
  60     localHistoryTableSize = Param.Unsigned("Size of local history table")
  61     localHistoryBits = Param.Unsigned("Bits for the local history")
  62     globalPredictorSize = Param.Unsigned("Size of global predictor")
  63     globalCtrBits = Param.Unsigned("Bits per counter")
  64     globalHistoryBits = Param.Unsigned("Bits of history")
  65     choicePredictorSize = Param.Unsigned("Size of choice predictor")
  66     choiceCtrBits = Param.Unsigned("Bits of choice counters")
  67
  68     BTBEntries = Param.Unsigned("Number of BTB entries")
  69     BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
  70
  71     RASSize = Param.Unsigned("RAS size")
  72
  73     LQEntries = Param.Unsigned("Number of load queue entries")
  74     SQEntries = Param.Unsigned("Number of store queue entries")
  75     LFSTSize = Param.Unsigned("Last fetched store table size")
  76     SSITSize = Param.Unsigned("Store set ID table size")
  77
  78     numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
  79     numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
  80                "registers")
  81     numIQEntries = Param.Unsigned("Number of instruction queue entries")
  82     numROBEntries = Param.Unsigned("Number of reorder buffer entries")
  83
  84     instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
  85
  86     function_trace = Param.Bool(False, "Enable function trace")
  87     function_trace_start = Param.Tick(0, "Cycle to start function trace")