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     if build_env['FULL_SYSTEM']:
  12         profile = Param.Latency('0ns', "trace the kernel stack")
  13
  14     icache_port = Port("Instruction Port")
  15     dcache_port = Port("Data Port")
  16
  17     width = Param.Unsigned("Width")
  18     frontEndWidth = Param.Unsigned("Front end width")
  19     frontEndLatency = Param.Unsigned("Front end latency")
  20     backEndWidth = Param.Unsigned("Back end width")
  21     backEndSquashLatency = Param.Unsigned("Back end squash latency")
  22     backEndLatency = Param.Unsigned("Back end latency")
  23     maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
  24     maxOutstandingMemOps = Param.Unsigned("Maximum number of outstanding memory operations")
  25     decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
  26     renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
  27     iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
  28                "delay")
  29     commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
  30     fetchWidth = Param.Unsigned("Fetch width")
  31
  32     renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
  33     iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
  34                "delay")
  35     commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
  36     fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
  37     decodeWidth = Param.Unsigned("Decode width")
  38
  39     iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
  40                "delay")
  41     commitToRenameDelay = Param.Unsigned("Commit to rename delay")
  42     decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
  43     renameWidth = Param.Unsigned("Rename width")
  44
  45     commitToIEWDelay = Param.Unsigned("Commit to "
  46                "Issue/Execute/Writeback delay")
  47     renameToIEWDelay = Param.Unsigned("Rename to "
  48                "Issue/Execute/Writeback delay")
  49     issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
  50               "to the IEW stage)")
  51     issueWidth = Param.Unsigned("Issue width")
  52     executeWidth = Param.Unsigned("Execute width")
  53     executeIntWidth = Param.Unsigned("Integer execute width")
  54     executeFloatWidth = Param.Unsigned("Floating point execute width")
  55     executeBranchWidth = Param.Unsigned("Branch execute width")
  56     executeMemoryWidth = Param.Unsigned("Memory execute width")
  57
  58     iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
  59                "delay")
  60     renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
  61     commitWidth = Param.Unsigned("Commit width")
  62     squashWidth = Param.Unsigned("Squash width")
  63
  64     predType = Param.String("Type of branch predictor ('local', 'tournament')")
  65     localPredictorSize = Param.Unsigned("Size of local predictor")
  66     localCtrBits = Param.Unsigned("Bits per counter")
  67     localHistoryTableSize = Param.Unsigned("Size of local history table")
  68     localHistoryBits = Param.Unsigned("Bits for the local history")
  69     globalPredictorSize = Param.Unsigned("Size of global predictor")
  70     globalCtrBits = Param.Unsigned("Bits per counter")
  71     globalHistoryBits = Param.Unsigned("Bits of history")
  72     choicePredictorSize = Param.Unsigned("Size of choice predictor")
  73     choiceCtrBits = Param.Unsigned("Bits of choice counters")
  74
  75     BTBEntries = Param.Unsigned("Number of BTB entries")
  76     BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
  77
  78     RASSize = Param.Unsigned("RAS size")
  79
  80     LQEntries = Param.Unsigned("Number of load queue entries")
  81     SQEntries = Param.Unsigned("Number of store queue entries")
  82     lsqLimits = Param.Bool(True, "LSQ size limits dispatch")
  83     LFSTSize = Param.Unsigned("Last fetched store table size")
  84     SSITSize = Param.Unsigned("Store set ID table size")
  85
  86     numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
  87     numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
  88                "registers")
  89     numIQEntries = Param.Unsigned("Number of instruction queue entries")
  90     numROBEntries = Param.Unsigned("Number of reorder buffer entries")
  91
  92     instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
  93
  94     function_trace = Param.Bool(False, "Enable function trace")
  95     function_trace_start = Param.Tick(0, "Cycle to start function trace")