O3CPU.py revision 1681 
1from BaseCPU import BaseCPU
2
3simobj DerivAlphaFullCPU(BaseCPU):
4    type = 'DerivAlphaFullCPU'
5
6    numThreads = Param.Unsigned("number of HW thread contexts")
7
8    if not build_env['FULL_SYSTEM']:
9        mem = Param.FunctionalMemory(NULL, "memory")
10
11    decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
12    renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
13    iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
14               "delay")
15    commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
16    fetchWidth = Param.Unsigned("Fetch width")
17
18    renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
19    iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
20               "delay")
21    commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
22    fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
23    decodeWidth = Param.Unsigned("Decode width")
24
25    iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
26               "delay")
27    commitToRenameDelay = Param.Unsigned("Commit to rename delay")
28    decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
29    renameWidth = Param.Unsigned("Rename width")
30
31    commitToIEWDelay = Param.Unsigned("Commit to "
32               "Issue/Execute/Writeback delay")
33    renameToIEWDelay = Param.Unsigned("Rename to "
34               "Issue/Execute/Writeback delay")
35    issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
36              "to the IEW stage)")
37    issueWidth = Param.Unsigned("Issue width")
38    executeWidth = Param.Unsigned("Execute width")
39    executeIntWidth = Param.Unsigned("Integer execute width")
40    executeFloatWidth = Param.Unsigned("Floating point execute width")
41    executeBranchWidth = Param.Unsigned("Branch execute width")
42    executeMemoryWidth = Param.Unsigned("Memory execute width")
43
44    iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
45               "delay")
46    renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
47    commitWidth = Param.Unsigned("Commit width")
48    squashWidth = Param.Unsigned("Squash width")
49
50    local_predictor_size = Param.Unsigned("Size of local predictor")
51    local_ctr_bits = Param.Unsigned("Bits per counter")
52    local_history_table_size = Param.Unsigned("Size of local history table")
53    local_history_bits = Param.Unsigned("Bits for the local history")
54    global_predictor_size = Param.Unsigned("Size of global predictor")
55    global_ctr_bits = Param.Unsigned("Bits per counter")
56    global_history_bits = Param.Unsigned("Bits of history")
57    choice_predictor_size = Param.Unsigned("Size of choice predictor")
58    choice_ctr_bits = Param.Unsigned("Bits of choice counters")
59
60    BTBEntries = Param.Unsigned("Number of BTB entries")
61    BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
62
63    RASSize = Param.Unsigned("RAS size")
64
65    LQEntries = Param.Unsigned("Number of load queue entries")
66    SQEntries = Param.Unsigned("Number of store queue entries")
67    LFSTSize = Param.Unsigned("Last fetched store table size")
68    SSITSize = Param.Unsigned("Store set ID table size")
69
70    numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
71    numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
72               "registers")
73    numIQEntries = Param.Unsigned("Number of instruction queue entries")
74    numROBEntries = Param.Unsigned("Number of reorder buffer entries")
75
76    instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
77
78    function_trace = Param.Bool(False, "Enable function trace")
79    function_trace_start = Param.Tick(0, "Cycle to start function trace")
80