138 lines
4.8 KiB
Python
138 lines
4.8 KiB
Python
# Copyright (c) 2006 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Ali Saidi
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import optparse, os, sys
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import m5
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from m5.objects import *
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m5.AddToPath('../common')
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from FSConfig import *
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from SysPaths import *
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from Benchmarks import *
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if not m5.build_env['FULL_SYSTEM']:
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m5.panic("This script requires full-system mode (ALPHA_FS).")
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parser = optparse.OptionParser()
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parser.add_option("-d", "--detailed", action="store_true")
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parser.add_option("-t", "--timing", action="store_true")
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parser.add_option("-m", "--maxtick", type="int")
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parser.add_option("--maxtime", type="float")
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parser.add_option("--dual", action="store_true",
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help="Simulate two systems attached with an ethernet link")
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parser.add_option("-b", "--benchmark", action="store", type="string",
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dest="benchmark",
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help="Specify the benchmark to run. Available benchmarks: %s"\
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% DefinedBenchmarks)
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parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
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help="Specify the filename to dump a pcap capture of the" \
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"ethernet traffic")
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parser.add_option("--checkpoint_dir", action="store", type="string",
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help="Place all checkpoints in this absolute directory")
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(options, args) = parser.parse_args()
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if args:
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print "Error: script doesn't take any positional arguments"
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sys.exit(1)
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if options.detailed:
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cpu = DetailedO3CPU()
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cpu2 = DetailedO3CPU()
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mem_mode = 'timing'
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elif options.timing:
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cpu = TimingSimpleCPU()
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cpu2 = TimingSimpleCPU()
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mem_mode = 'timing'
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else:
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cpu = AtomicSimpleCPU()
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cpu2 = AtomicSimpleCPU()
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mem_mode = 'atomic'
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cpu.clock = '2GHz'
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cpu2.clock = '2GHz'
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if options.benchmark:
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if options.benchmark not in Benchmarks:
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print "Error benchmark %s has not been defined." % options.benchmark
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print "Valid benchmarks are: %s" % DefinedBenchmarks
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sys.exit(1)
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bm = Benchmarks[options.benchmark]
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else:
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if options.dual:
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bm = [Machine(), Machine()]
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else:
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bm = [Machine()]
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if len(bm) == 2:
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s1 = makeLinuxAlphaSystem(mem_mode, bm[0])
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s1.cpu = cpu
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cpu.connectMemPorts(s1.membus)
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cpu.mem = s1.physmem
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s2 = makeLinuxAlphaSystem(mem_mode, bm[1])
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s2.cpu = cpu2
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cpu2.connectMemPorts(s2.membus)
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cpu2.mem = s2.physmem
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root = makeDualRoot(s1, s2, options.etherdump)
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elif len(bm) == 1:
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root = Root(clock = '1THz',
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system = makeLinuxAlphaSystem(mem_mode, bm[0]))
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root.system.cpu = cpu
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cpu.connectMemPorts(root.system.membus)
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cpu.mem = root.system.physmem
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else:
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print "Error I don't know how to create more than 2 systems."
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sys.exit(1)
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m5.instantiate(root)
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if options.maxtick:
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maxtick = options.maxtick
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elif options.maxtime:
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simtime = int(options.maxtime * root.clock.value)
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print "simulating for: ", simtime
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maxtick = simtime
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else:
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maxtick = -1
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exit_event = m5.simulate(maxtick)
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while exit_event.getCause() == "checkpoint":
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if options.checkpoint_dir:
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m5.checkpoint(root, "/".join([options.checkpoint_dir, "cpt.%d"]))
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else:
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m5.checkpoint(root, "cpt.%d")
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if maxtick == -1:
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exit_event = m5.simulate(maxtick)
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else:
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exit_event = m5.simulate(maxtick - m5.curTick())
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print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
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