1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
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8 # redistributions in binary form must reproduce the above copyright
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12 # contributors may be used to endorse or promote products derived from
13 # this software without specific prior written permission.
15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 from m5
.defines
import buildEnv
30 from m5
.params
import *
31 from BaseCPU
import BaseCPU
33 class SimpleOzoneCPU(BaseCPU
):
34 type = 'SimpleOzoneCPU'
36 numThreads
= Param
.Unsigned("number of HW thread contexts")
38 mem
= Param
.FunctionalMemory(NULL
, "memory")
40 width
= Param
.Unsigned("Width")
41 frontEndWidth
= Param
.Unsigned("Front end width")
42 backEndWidth
= Param
.Unsigned("Back end width")
43 backEndSquashLatency
= Param
.Unsigned("Back end squash latency")
44 backEndLatency
= Param
.Unsigned("Back end latency")
45 maxInstBufferSize
= Param
.Unsigned("Maximum instruction buffer size")
46 decodeToFetchDelay
= Param
.Unsigned("Decode to fetch delay")
47 renameToFetchDelay
= Param
.Unsigned("Rename to fetch delay")
48 iewToFetchDelay
= Param
.Unsigned("Issue/Execute/Writeback to fetch "
50 commitToFetchDelay
= Param
.Unsigned("Commit to fetch delay")
51 fetchWidth
= Param
.Unsigned("Fetch width")
53 renameToDecodeDelay
= Param
.Unsigned("Rename to decode delay")
54 iewToDecodeDelay
= Param
.Unsigned("Issue/Execute/Writeback to decode "
56 commitToDecodeDelay
= Param
.Unsigned("Commit to decode delay")
57 fetchToDecodeDelay
= Param
.Unsigned("Fetch to decode delay")
58 decodeWidth
= Param
.Unsigned("Decode width")
60 iewToRenameDelay
= Param
.Unsigned("Issue/Execute/Writeback to rename "
62 commitToRenameDelay
= Param
.Unsigned("Commit to rename delay")
63 decodeToRenameDelay
= Param
.Unsigned("Decode to rename delay")
64 renameWidth
= Param
.Unsigned("Rename width")
66 commitToIEWDelay
= Param
.Unsigned("Commit to "
67 "Issue/Execute/Writeback delay")
68 renameToIEWDelay
= Param
.Unsigned("Rename to "
69 "Issue/Execute/Writeback delay")
70 issueToExecuteDelay
= Param
.Unsigned("Issue to execute delay (internal "
72 issueWidth
= Param
.Unsigned("Issue width")
73 executeWidth
= Param
.Unsigned("Execute width")
74 executeIntWidth
= Param
.Unsigned("Integer execute width")
75 executeFloatWidth
= Param
.Unsigned("Floating point execute width")
76 executeBranchWidth
= Param
.Unsigned("Branch execute width")
77 executeMemoryWidth
= Param
.Unsigned("Memory execute width")
79 iewToCommitDelay
= Param
.Unsigned("Issue/Execute/Writeback to commit "
81 renameToROBDelay
= Param
.Unsigned("Rename to reorder buffer delay")
82 commitWidth
= Param
.Unsigned("Commit width")
83 squashWidth
= Param
.Unsigned("Squash width")
85 localPredictorSize
= Param
.Unsigned("Size of local predictor")
86 localCtrBits
= Param
.Unsigned("Bits per counter")
87 localHistoryTableSize
= Param
.Unsigned("Size of local history table")
88 localHistoryBits
= Param
.Unsigned("Bits for the local history")
89 globalPredictorSize
= Param
.Unsigned("Size of global predictor")
90 globalCtrBits
= Param
.Unsigned("Bits per counter")
91 globalHistoryBits
= Param
.Unsigned("Bits of history")
92 choicePredictorSize
= Param
.Unsigned("Size of choice predictor")
93 choiceCtrBits
= Param
.Unsigned("Bits of choice counters")
95 BTBEntries
= Param
.Unsigned("Number of BTB entries")
96 BTBTagSize
= Param
.Unsigned("Size of the BTB tags, in bits")
98 RASSize
= Param
.Unsigned("RAS size")
100 LQEntries
= Param
.Unsigned("Number of load queue entries")
101 SQEntries
= Param
.Unsigned("Number of store queue entries")
102 LFSTSize
= Param
.Unsigned("Last fetched store table size")
103 SSITSize
= Param
.Unsigned("Store set ID table size")
105 numPhysIntRegs
= Param
.Unsigned("Number of physical integer registers")
106 numPhysFloatRegs
= Param
.Unsigned("Number of physical floating point "
108 numIQEntries
= Param
.Unsigned("Number of instruction queue entries")
109 numROBEntries
= Param
.Unsigned("Number of reorder buffer entries")
111 instShiftAmt
= Param
.Unsigned("Number of bits to shift instructions by")