O3CPU.py revision 2294 
1from m5 import *
2from BaseCPU import BaseCPU
3
4class DerivAlphaFullCPU(BaseCPU):
5    type = 'DerivAlphaFullCPU'
6
7    numThreads = Param.Unsigned("number of HW thread contexts")
8
9    if not build_env['FULL_SYSTEM']:
10        mem = Param.FunctionalMemory(NULL, "memory")
11
12    cachePorts = Param.Unsigned("Cache Ports")
13
14    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
15    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
16    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
17               "delay")
18    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
19    fetchWidth = Param.Unsigned("Fetch width")
20
21    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
22    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
23               "delay")
24    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
25    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
26    decodeWidth = Param.Unsigned("Decode width")
27
28    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
29               "delay")
30    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
31    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
32    renameWidth = Param.Unsigned("Rename width")
33
34    commitToIEWDelay = Param.Unsigned("Commit to "
35               "Issue/Execute/Writeback delay")
36    renameToIEWDelay = Param.Unsigned("Rename to "
37               "Issue/Execute/Writeback delay")
38    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
39              "to the IEW stage)")
40    issueWidth = Param.Unsigned("Issue width")
41    executeWidth = Param.Unsigned("Execute width")
42    executeIntWidth = Param.Unsigned("Integer execute width")
43    executeFloatWidth = Param.Unsigned("Floating point execute width")
44    executeBranchWidth = Param.Unsigned("Branch execute width")
45    executeMemoryWidth = Param.Unsigned("Memory execute width")
46    fuPool = Param.FUPool(NULL, "Functional Unit pool")
47
48    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
49               "delay")
50    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
51    commitWidth = Param.Unsigned("Commit width")
52    squashWidth = Param.Unsigned("Squash width")
53
54    localPredictorSize = Param.Unsigned("Size of local predictor")
55    localCtrBits = Param.Unsigned("Bits per counter")
56    localHistoryTableSize = Param.Unsigned("Size of local history table")
57    localHistoryBits = Param.Unsigned("Bits for the local history")
58    globalPredictorSize = Param.Unsigned("Size of global predictor")
59    globalCtrBits = Param.Unsigned("Bits per counter")
60    globalHistoryBits = Param.Unsigned("Bits of history")
61    choicePredictorSize = Param.Unsigned("Size of choice predictor")
62    choiceCtrBits = Param.Unsigned("Bits of choice counters")
63
64    BTBEntries = Param.Unsigned("Number of BTB entries")
65    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
66
67    RASSize = Param.Unsigned("RAS size")
68
69    LQEntries = Param.Unsigned("Number of load queue entries")
70    SQEntries = Param.Unsigned("Number of store queue entries")
71    LFSTSize = Param.Unsigned("Last fetched store table size")
72    SSITSize = Param.Unsigned("Store set ID table size")
73
74    numRobs = Param.Unsigned("Number of Reorder Buffers");
75
76    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
77    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
78               "registers")
79    numIQEntries = Param.Unsigned("Number of instruction queue entries")
80    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
81
82    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
83
84    function_trace = Param.Bool(False, "Enable function trace")
85    function_trace_start = Param.Tick(0, "Cycle to start function trace")
86
87    smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads")
88    smtFetchPolicy = Param.String("SMT Fetch policy")
89    smtLSQPolicy    = Param.String("SMT LSQ Sharing Policy")
90    smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter")
91    smtIQPolicy    = Param.String("SMT IQ Sharing Policy")
92    smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter")
93    smtROBPolicy   = Param.String("SMT ROB Sharing Policy")
94    smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter")
95    smtCommitPolicy = Param.String("SMT Commit Policy")
96