fs.py revision 2995 
1import optparse, os, sys
2
3import m5
4from m5.objects import *
5m5.AddToPath('../common')
6from FSConfig import *
7from SysPaths import *
8from Util import *
9from Benchmarks import *
10
11parser = optparse.OptionParser()
12
13parser.add_option("-d", "--detailed", action="store_true")
14parser.add_option("-t", "--timing", action="store_true")
15parser.add_option("-m", "--maxtick", type="int")
16parser.add_option("--maxtime", type="float")
17parser.add_option("--dual", action="store_true",
18                  help="Simulate two systems attached with an ethernet link")
19parser.add_option("-b", "--benchmark", action="store", type="string",
20                  dest="benchmark",
21                  help="Specify the benchmark to run. Available benchmarks: %s"\
22                          % DefinedBenchmarks)
23
24(options, args) = parser.parse_args()
25
26if args:
27    print "Error: script doesn't take any positional arguments"
28    sys.exit(1)
29
30if options.detailed:
31    cpu = DetailedO3CPU()
32    cpu2 = DetailedO3CPU()
33    mem_mode = 'timing'
34elif options.timing:
35    cpu = TimingSimpleCPU()
36    cpu2 = TimingSimpleCPU()
37    mem_mode = 'timing'
38else:
39    cpu = AtomicSimpleCPU()
40    cpu2 = AtomicSimpleCPU()
41    mem_mode = 'atomic'
42
43
44if options.benchmark:
45    if options.benchmark not in Benchmarks:
46        print "Error benchmark %s has not been defined." % options.benchmark
47        print "Valid benchmarks are: %s" % DefinedBenchmarks
48        sys.exit(1)
49
50    bm = Benchmarks[options.benchmark]
51
52    if len(bm) == 2:
53        root = makeDualRoot(makeLinuxAlphaSystem(cpu, mem_mode, bm[0]),
54                            makeLinuxAlphaSystem(cpu2, mem_mode, bm[1]))
55
56    elif len(bm) == 1:
57        root = Root(clock = '1THz',
58                    system = makeLinuxAlphaSystem(cpu, mem_mode, bm[0]))
59    else:
60        print "Error I don't know how to create more than 2 systems."
61        sys.exit(1)
62
63else:
64    if options.dual:
65        root = makeDualRoot(
66            makeLinuxAlphaSystem(cpu, mem_mode, Machine()),
67            makeLinuxAlphaSystem(cpu2, mem_mode, Machine()))
68    else:
69        root = Root(clock = '1THz',
70                    system = makeLinuxAlphaSystem(cpu, mem_mode, Machine()))
71
72m5.instantiate(root)
73
74#exit_event = m5.simulate(2600000000000)
75#if exit_event.getCause() != "user interrupt received":
76#    m5.checkpoint(root, 'cpt')
77#    exit_event = m5.simulate(300000000000)
78#    if exit_event.getCause() != "user interrupt received":
79#        m5.checkpoint(root, 'cptA')
80
81
82if options.maxtick:
83    exit_event = m5.simulate(options.maxtick)
84elif options.maxtime:
85    simtime = int(options.maxtime * root.clock.value)
86    print "simulating for: ", simtime
87    exit_event = m5.simulate(simtime)
88else:
89    exit_event = m5.simulate()
90
91print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
92