O3CPU.py revision 2318 
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    checker = Param.BaseCPU(NULL, "checker")
13
14    cachePorts = Param.Unsigned("Cache Ports")
15
16    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
17    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
18    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
19               "delay")
20    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
21    fetchWidth = Param.Unsigned("Fetch width")
22
23    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
24    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
25               "delay")
26    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
27    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
28    decodeWidth = Param.Unsigned("Decode width")
29
30    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
31               "delay")
32    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
33    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
34    renameWidth = Param.Unsigned("Rename width")
35
36    commitToIEWDelay = Param.Unsigned("Commit to "
37               "Issue/Execute/Writeback delay")
38    renameToIEWDelay = Param.Unsigned("Rename to "
39               "Issue/Execute/Writeback delay")
40    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
41              "to the IEW stage)")
42    issueWidth = Param.Unsigned("Issue width")
43    executeWidth = Param.Unsigned("Execute width")
44    executeIntWidth = Param.Unsigned("Integer execute width")
45    executeFloatWidth = Param.Unsigned("Floating point execute width")
46    executeBranchWidth = Param.Unsigned("Branch execute width")
47    executeMemoryWidth = Param.Unsigned("Memory execute width")
48    fuPool = Param.FUPool(NULL, "Functional Unit pool")
49
50    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
51               "delay")
52    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
53    commitWidth = Param.Unsigned("Commit width")
54    squashWidth = Param.Unsigned("Squash width")
55    trapLatency = Param.Tick("Trap latency")
56    fetchTrapLatency = Param.Tick("Fetch trap latency")
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    numRobs = Param.Unsigned("Number of Reorder Buffers");
79
80    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
81    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
82               "registers")
83    numIQEntries = Param.Unsigned("Number of instruction queue entries")
84    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
85
86    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
87
88    function_trace = Param.Bool(False, "Enable function trace")
89    function_trace_start = Param.Tick(0, "Cycle to start function trace")
90
91    smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads")
92    smtFetchPolicy = Param.String("SMT Fetch policy")
93    smtLSQPolicy    = Param.String("SMT LSQ Sharing Policy")
94    smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter")
95    smtIQPolicy    = Param.String("SMT IQ Sharing Policy")
96    smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter")
97    smtROBPolicy   = Param.String("SMT ROB Sharing Policy")
98    smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter")
99    smtCommitPolicy = Param.String("SMT Commit Policy")
100