O3CPU.py (13559:e9983a972327) O3CPU.py (13560:f8732494c155)
1# Copyright (c) 2016, 2019 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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46from BaseCPU import BaseCPU
47from FUPool import *
48from O3Checker import O3Checker
49from BranchPredictor import *
50
51class FetchPolicy(ScopedEnum):
52 vals = [ 'SingleThread', 'RoundRobin', 'Branch', 'IQCount', 'LSQCount' ]
53
1# Copyright (c) 2016, 2019 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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46from BaseCPU import BaseCPU
47from FUPool import *
48from O3Checker import O3Checker
49from BranchPredictor import *
50
51class FetchPolicy(ScopedEnum):
52 vals = [ 'SingleThread', 'RoundRobin', 'Branch', 'IQCount', 'LSQCount' ]
53
54class SMTQueuePolicy(ScopedEnum):
55 vals = [ 'Dynamic', 'Partitioned', 'Threshold' ]
56
54class DerivO3CPU(BaseCPU):
55 type = 'DerivO3CPU'
56 cxx_header = 'cpu/o3/deriv.hh'
57
58 @classmethod
59 def memory_mode(cls):
60 return 'timing'
61

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146 "registers")
147 numPhysCCRegs = Param.Unsigned(_defaultNumPhysCCRegs,
148 "Number of physical cc registers")
149 numIQEntries = Param.Unsigned(64, "Number of instruction queue entries")
150 numROBEntries = Param.Unsigned(192, "Number of reorder buffer entries")
151
152 smtNumFetchingThreads = Param.Unsigned(1, "SMT Number of Fetching Threads")
153 smtFetchPolicy = Param.FetchPolicy('SingleThread', "SMT Fetch policy")
57class DerivO3CPU(BaseCPU):
58 type = 'DerivO3CPU'
59 cxx_header = 'cpu/o3/deriv.hh'
60
61 @classmethod
62 def memory_mode(cls):
63 return 'timing'
64

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149 "registers")
150 numPhysCCRegs = Param.Unsigned(_defaultNumPhysCCRegs,
151 "Number of physical cc registers")
152 numIQEntries = Param.Unsigned(64, "Number of instruction queue entries")
153 numROBEntries = Param.Unsigned(192, "Number of reorder buffer entries")
154
155 smtNumFetchingThreads = Param.Unsigned(1, "SMT Number of Fetching Threads")
156 smtFetchPolicy = Param.FetchPolicy('SingleThread', "SMT Fetch policy")
154 smtLSQPolicy = Param.String('Partitioned', "SMT LSQ Sharing Policy")
157 smtLSQPolicy = Param.SMTQueuePolicy('Partitioned',
158 "SMT LSQ Sharing Policy")
155 smtLSQThreshold = Param.Int(100, "SMT LSQ Threshold Sharing Parameter")
156 smtIQPolicy = Param.String('Partitioned', "SMT IQ Sharing Policy")
157 smtIQThreshold = Param.Int(100, "SMT IQ Threshold Sharing Parameter")
158 smtROBPolicy = Param.String('Partitioned', "SMT ROB Sharing Policy")
159 smtROBThreshold = Param.Int(100, "SMT ROB Threshold Sharing Parameter")
160 smtCommitPolicy = Param.String('RoundRobin', "SMT Commit Policy")
161
162 branchPred = Param.BranchPredictor(TournamentBP(numThreads =

--- 20 unchanged lines hidden --- 		159 smtLSQThreshold = Param.Int(100, "SMT LSQ Threshold Sharing Parameter")
160 smtIQPolicy = Param.String('Partitioned', "SMT IQ Sharing Policy")
161 smtIQThreshold = Param.Int(100, "SMT IQ Threshold Sharing Parameter")
162 smtROBPolicy = Param.String('Partitioned', "SMT ROB Sharing Policy")
163 smtROBThreshold = Param.Int(100, "SMT ROB Threshold Sharing Parameter")
164 smtCommitPolicy = Param.String('RoundRobin', "SMT Commit Policy")
165
166 branchPred = Param.BranchPredictor(TournamentBP(numThreads =

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