1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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35if buildEnv['USE_CHECKER']:
36 from O3Checker import O3Checker
37
38class DerivO3CPU(BaseCPU):
39 type = 'DerivO3CPU'
40 activity = Param.Unsigned(0, "Initial count")
41
42 if buildEnv['USE_CHECKER']:
43 if not buildEnv['FULL_SYSTEM']:
44 # FIXME: Shouldn't need to derefernce Parent.workload
45 # Somewhere in the param parsing code
46 # src/python/m5/params.py is and error that
47 # has trouble converting the workload parameter properly.
48 checker = Param.BaseCPU(O3Checker(workload=Parent.workload[0],
49 exitOnError=False,
50 updateOnError=True,
51 warnOnlyOnLoadError=True),
52 "checker")
53 else:
54 checker = Param.BaseCPU(O3Checker(exitOnError=False,
55 updateOnError=True,
56 warnOnlyOnLoadError=True),
57 "checker")
58 checker.itb = Parent.itb
59 checker.dtb = Parent.dtb
60
61 cachePorts = Param.Unsigned(200, "Cache Ports")
62
63 decodeToFetchDelay = Param.Unsigned(1, "Decode to fetch delay")
64 renameToFetchDelay = Param.Unsigned(1 ,"Rename to fetch delay")
65 iewToFetchDelay = Param.Unsigned(1, "Issue/Execute/Writeback to fetch "
66 "delay")
67 commitToFetchDelay = Param.Unsigned(1, "Commit to fetch delay")
68 fetchWidth = Param.Unsigned(8, "Fetch width")
69

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144 smtLSQPolicy = Param.String('Partitioned', "SMT LSQ Sharing Policy")
145 smtLSQThreshold = Param.Int(100, "SMT LSQ Threshold Sharing Parameter")
146 smtIQPolicy = Param.String('Partitioned', "SMT IQ Sharing Policy")
147 smtIQThreshold = Param.Int(100, "SMT IQ Threshold Sharing Parameter")
148 smtROBPolicy = Param.String('Partitioned', "SMT ROB Sharing Policy")
149 smtROBThreshold = Param.Int(100, "SMT ROB Threshold Sharing Parameter")
150 smtCommitPolicy = Param.String('RoundRobin', "SMT Commit Policy")
151
152 needsTSO = Param.Bool(buildEnv['TARGET_ISA'] == 'x86',
153 "Enable TSO Memory model")