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import optparse, os, sys
import m5
from m5.objects import *
m5.AddToPath('../common')
from FSConfig import *
from SysPaths import *
from Benchmarks import *
parser = optparse.OptionParser()
parser.add_option("-d", "--detailed", action="store_true")
parser.add_option("-t", "--timing", action="store_true")
parser.add_option("-m", "--maxtick", type="int")
parser.add_option("--maxtime", type="float")
parser.add_option("--dual", action="store_true",
help="Simulate two systems attached with an ethernet link")
parser.add_option("-b", "--benchmark", action="store", type="string",
dest="benchmark",
help="Specify the benchmark to run. Available benchmarks: %s"\
% DefinedBenchmarks)
(options, args) = parser.parse_args()
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
if options.detailed:
cpu = DetailedO3CPU()
cpu2 = DetailedO3CPU()
mem_mode = 'timing'
elif options.timing:
cpu = TimingSimpleCPU()
cpu2 = TimingSimpleCPU()
mem_mode = 'timing'
else:
cpu = AtomicSimpleCPU()
cpu2 = AtomicSimpleCPU()
mem_mode = 'atomic'
if options.benchmark:
if options.benchmark not in Benchmarks:
print "Error benchmark %s has not been defined." % options.benchmark
print "Valid benchmarks are: %s" % DefinedBenchmarks
sys.exit(1)
bm = Benchmarks[options.benchmark]
if len(bm) == 2:
s1 = makeLinuxAlphaSystem(mem_mode, bm[0])
s2 = makeLinuxAlphaSystem(mem_mode, bm[1])
cpu.connectMemPorts(s1.membus)
cpu2.connectMemPorts(s2.membus)
root = makeDualRoot(s1, s2)
elif len(bm) == 1:
root = Root(clock = '1THz',
system = makeLinuxAlphaSystem(mem_mode, bm[0]))
cpu.connectMemPorts(root.system.membus)
else:
print "Error I don't know how to create more than 2 systems."
sys.exit(1)
else:
if options.dual:
root = makeDualRoot(
makeLinuxAlphaSystem(cpu, mem_mode, Machine()),
makeLinuxAlphaSystem(cpu2, mem_mode, Machine()))
else:
root = Root(clock = '1THz',
system = makeLinuxAlphaSystem(cpu, mem_mode, Machine()))
m5.instantiate(root)
#exit_event = m5.simulate(2600000000000)
#if exit_event.getCause() != "user interrupt received":
# m5.checkpoint(root, 'cpt')
# exit_event = m5.simulate(300000000000)
# if exit_event.getCause() != "user interrupt received":
# m5.checkpoint(root, 'cptA')
if options.maxtick:
exit_event = m5.simulate(options.maxtick)
elif options.maxtime:
simtime = int(options.maxtime * root.clock.value)
print "simulating for: ", simtime
exit_event = m5.simulate(simtime)
else:
exit_event = m5.simulate()
print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
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