1# Copyright (c) 2006 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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29import optparse, os, sys
30
31import m5
32from m5.objects import *
33m5.AddToPath('../common')
34from FSConfig import *
35from SysPaths import *
36from Benchmarks import *
37import Simulation
38
39if not m5.build_env['FULL_SYSTEM']:
40 m5.panic("This script requires full-system mode (ALPHA_FS).")
41
42parser = optparse.OptionParser()
43
44# Benchmark options
45parser.add_option("--dual", action="store_true",
46 help="Simulate two systems attached with an ethernet link")
47parser.add_option("-b", "--benchmark", action="store", type="string",
48 dest="benchmark",
49 help="Specify the benchmark to run. Available benchmarks: %s"\
50 % DefinedBenchmarks)
51
52# Metafile options
53parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
54 help="Specify the filename to dump a pcap capture of the" \
55 "ethernet traffic")
56
57
58execfile("Options.py")
59
60(options, args) = parser.parse_args()
61
62if args:
63 print "Error: script doesn't take any positional arguments"
64 sys.exit(1)
65
66# driver system CPU is always simple... note this is an assignment of
67# a class, not an instance.
68DriveCPUClass = AtomicSimpleCPU
69drive_mem_mode = 'atomic'
70
71# system under test can be any of these CPUs
72if options.detailed:
73 TestCPUClass = DerivO3CPU

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95 else:
96 bm = [SysConfig()]
97
98test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
99np = options.num_cpus
100test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
101for i in xrange(np):
102 if options.caches and not options.standard_switch:
103 test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
104 L2Cache(size = '64kB'))
105 test_sys.cpu[i].connectMemPorts(test_sys.membus)
106 test_sys.cpu[i].mem = test_sys.physmem
107
108if len(bm) == 2:
109 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
110 drive_sys.cpu = DriveCPUClass(cpu_id=0)
111 drive_sys.cpu.connectMemPorts(drive_sys.membus)
112 drive_sys.cpu.mem = drive_sys.physmem
113 root = makeDualRoot(test_sys, drive_sys, options.etherdump)
114elif len(bm) == 1:
115 root = Root(clock = '1THz', system = test_sys)
116else:
117 print "Error I don't know how to create more than 2 systems."
118 sys.exit(1)
119
120Simulation.run(options, root, test_sys)