src/python/m5/objects/OzoneCPU.py

   1 from m5.params import *
   2 from m5 import build_env
   3 from BaseCPU import BaseCPU
   4
   5 class DerivOzoneCPU(BaseCPU):
   6     type = 'DerivOzoneCPU'
   7
   8     numThreads = Param.Unsigned("number of HW thread contexts")
   9
  10     checker = Param.BaseCPU("Checker CPU")
  11
  12     icache_port = Port("Instruction Port")
  13     dcache_port = Port("Data Port")
  14
  15     width = Param.Unsigned("Width")
  16     frontEndWidth = Param.Unsigned("Front end width")
  17     backEndWidth = Param.Unsigned("Back end width")
  18     backEndSquashLatency = Param.Unsigned("Back end squash latency")
  19     backEndLatency = Param.Unsigned("Back end latency")
  20     maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
  21     maxOutstandingMemOps = Param.Unsigned("Maximum number of outstanding memory operations")
  22     decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
  23     renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
  24     iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
  25                "delay")
  26     commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
  27     fetchWidth = Param.Unsigned("Fetch width")
  28
  29     renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
  30     iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
  31                "delay")
  32     commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
  33     fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
  34     decodeWidth = Param.Unsigned("Decode width")
  35
  36     iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
  37                "delay")
  38     commitToRenameDelay = Param.Unsigned("Commit to rename delay")
  39     decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
  40     renameWidth = Param.Unsigned("Rename width")
  41
  42     commitToIEWDelay = Param.Unsigned("Commit to "
  43                "Issue/Execute/Writeback delay")
  44     renameToIEWDelay = Param.Unsigned("Rename to "
  45                "Issue/Execute/Writeback delay")
  46     issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
  47               "to the IEW stage)")
  48     issueWidth = Param.Unsigned("Issue width")
  49     executeWidth = Param.Unsigned("Execute width")
  50     executeIntWidth = Param.Unsigned("Integer execute width")
  51     executeFloatWidth = Param.Unsigned("Floating point execute width")
  52     executeBranchWidth = Param.Unsigned("Branch execute width")
  53     executeMemoryWidth = Param.Unsigned("Memory execute width")
  54
  55     iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
  56                "delay")
  57     renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
  58     commitWidth = Param.Unsigned("Commit width")
  59     squashWidth = Param.Unsigned("Squash width")
  60
  61     predType = Param.String("Type of branch predictor ('local', 'tournament')")
  62     localPredictorSize = Param.Unsigned("Size of local predictor")
  63     localCtrBits = Param.Unsigned("Bits per counter")
  64     localHistoryTableSize = Param.Unsigned("Size of local history table")
  65     localHistoryBits = Param.Unsigned("Bits for the local history")
  66     globalPredictorSize = Param.Unsigned("Size of global predictor")
  67     globalCtrBits = Param.Unsigned("Bits per counter")
  68     globalHistoryBits = Param.Unsigned("Bits of history")
  69     choicePredictorSize = Param.Unsigned("Size of choice predictor")
  70     choiceCtrBits = Param.Unsigned("Bits of choice counters")
  71
  72     BTBEntries = Param.Unsigned("Number of BTB entries")
  73     BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
  74
  75     RASSize = Param.Unsigned("RAS size")
  76
  77     LQEntries = Param.Unsigned("Number of load queue entries")
  78     SQEntries = Param.Unsigned("Number of store queue entries")
  79     LFSTSize = Param.Unsigned("Last fetched store table size")
  80     SSITSize = Param.Unsigned("Store set ID table size")
  81
  82     numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
  83     numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
  84                "registers")
  85     numIQEntries = Param.Unsigned("Number of instruction queue entries")
  86     numROBEntries = Param.Unsigned("Number of reorder buffer entries")
  87
  88     instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
  89
  90     function_trace = Param.Bool(False, "Enable function trace")
  91     function_trace_start = Param.Tick(0, "Cycle to start function trace")