2005-05-29 07:14:50 +02:00
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from m5 import *
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2005-05-03 16:56:47 +02:00
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from BaseCPU import BaseCPU
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2005-05-29 07:14:50 +02:00
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class DerivAlphaFullCPU(BaseCPU):
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2005-05-03 16:56:47 +02:00
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type = 'DerivAlphaFullCPU'
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2006-05-19 21:37:52 +02:00
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activity = Param.Unsigned("Initial count")
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2005-05-03 16:56:47 +02:00
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numThreads = Param.Unsigned("number of HW thread contexts")
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if not build_env['FULL_SYSTEM']:
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mem = Param.FunctionalMemory(NULL, "memory")
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2006-05-16 20:47:09 +02:00
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checker = Param.BaseCPU(NULL, "checker")
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2006-04-23 00:47:07 +02:00
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cachePorts = Param.Unsigned("Cache Ports")
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2005-05-03 16:56:47 +02:00
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decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
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renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
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iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
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"delay")
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commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
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fetchWidth = Param.Unsigned("Fetch width")
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renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
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iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
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"delay")
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commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
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fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
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decodeWidth = Param.Unsigned("Decode width")
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iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
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"delay")
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commitToRenameDelay = Param.Unsigned("Commit to rename delay")
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decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
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renameWidth = Param.Unsigned("Rename width")
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commitToIEWDelay = Param.Unsigned("Commit to "
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"Issue/Execute/Writeback delay")
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renameToIEWDelay = Param.Unsigned("Rename to "
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"Issue/Execute/Writeback delay")
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issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
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"to the IEW stage)")
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2006-08-02 18:05:34 +02:00
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dispatchWidth = Param.Unsigned(8, "Dispatch width")
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issueWidth = Param.Unsigned(8, "Issue width")
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wbWidth = Param.Unsigned(8, "Writeback width")
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wbDepth = Param.Unsigned(1, "Writeback depth")
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2006-04-23 00:47:07 +02:00
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fuPool = Param.FUPool(NULL, "Functional Unit pool")
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2005-05-03 16:56:47 +02:00
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iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
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"delay")
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renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
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commitWidth = Param.Unsigned("Commit width")
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squashWidth = Param.Unsigned("Squash width")
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2006-05-16 20:47:09 +02:00
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trapLatency = Param.Tick("Trap latency")
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fetchTrapLatency = Param.Tick("Fetch trap latency")
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2005-05-03 16:56:47 +02:00
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2006-08-02 18:05:34 +02:00
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backComSize = Param.Unsigned(5, "Time buffer size for backwards communication")
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forwardComSize = Param.Unsigned(5, "Time buffer size for forward communication")
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2006-05-25 23:01:48 +02:00
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predType = Param.String("Branch predictor type ('local', 'tournament')")
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2006-04-23 00:47:07 +02:00
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localPredictorSize = Param.Unsigned("Size of local predictor")
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localCtrBits = Param.Unsigned("Bits per counter")
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localHistoryTableSize = Param.Unsigned("Size of local history table")
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localHistoryBits = Param.Unsigned("Bits for the local history")
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globalPredictorSize = Param.Unsigned("Size of global predictor")
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globalCtrBits = Param.Unsigned("Bits per counter")
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globalHistoryBits = Param.Unsigned("Bits of history")
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choicePredictorSize = Param.Unsigned("Size of choice predictor")
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choiceCtrBits = Param.Unsigned("Bits of choice counters")
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2005-05-03 16:56:47 +02:00
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BTBEntries = Param.Unsigned("Number of BTB entries")
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BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
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RASSize = Param.Unsigned("RAS size")
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LQEntries = Param.Unsigned("Number of load queue entries")
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SQEntries = Param.Unsigned("Number of store queue entries")
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LFSTSize = Param.Unsigned("Last fetched store table size")
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SSITSize = Param.Unsigned("Store set ID table size")
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2006-04-23 00:47:07 +02:00
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numRobs = Param.Unsigned("Number of Reorder Buffers");
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2005-05-03 16:56:47 +02:00
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numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
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numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
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"registers")
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numIQEntries = Param.Unsigned("Number of instruction queue entries")
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numROBEntries = Param.Unsigned("Number of reorder buffer entries")
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instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
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function_trace = Param.Bool(False, "Enable function trace")
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function_trace_start = Param.Tick(0, "Cycle to start function trace")
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2006-04-23 00:47:07 +02:00
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smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads")
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smtFetchPolicy = Param.String("SMT Fetch policy")
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smtLSQPolicy = Param.String("SMT LSQ Sharing Policy")
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smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter")
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smtIQPolicy = Param.String("SMT IQ Sharing Policy")
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smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter")
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smtROBPolicy = Param.String("SMT ROB Sharing Policy")
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smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter")
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smtCommitPolicy = Param.String("SMT Commit Policy")
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