75 lines
2 KiB
Python
75 lines
2 KiB
Python
# Simple test script
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#
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# Alpha: "m5 test.py"
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# MIPS: "m5 test.py -a Mips -c hello_mips"
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import os, optparse, sys
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import m5
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from m5.objects import *
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from FullO3Config import *
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# parse command-line arguments
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parser = optparse.OptionParser(option_list=m5.standardOptions)
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parser.add_option("-c", "--cmd", default="hello",
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help="The binary to run in syscall emulation mode.")
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parser.add_option("-o", "--options", default="",
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help="The options to pass to the binary, use \" \" around the entire\
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string.")
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parser.add_option("-i", "--input", default="",
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help="A file of input to give to the binary.")
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parser.add_option("-t", "--timing", action="store_true",
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help="Use simple timing CPU.")
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parser.add_option("-d", "--detailed", action="store_true",
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help="Use detailed CPU.")
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parser.add_option("-m", "--maxtick", type="int",
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help="Set the maximum number of ticks to run for")
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(options, args) = parser.parse_args()
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m5.setStandardOptions(options)
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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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# build configuration
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this_dir = os.path.dirname(__file__)
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process = LiveProcess()
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process.executable = os.path.join(this_dir, options.cmd)
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process.cmd = options.cmd + " " + options.options
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if options.input != "":
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process.input = options.input
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magicbus = Bus()
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mem = PhysicalMemory()
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if options.timing and options.detailed:
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print "Error: you may only specify one cpu model";
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sys.exit(1)
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if options.timing:
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cpu = TimingSimpleCPU()
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elif options.detailed:
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cpu = DetailedO3CPU()
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else:
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cpu = AtomicSimpleCPU()
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cpu.workload = process
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cpu.mem = magicbus
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system = System(physmem = mem, cpu = cpu)
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mem.port = magicbus.port
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root = Root(system = system)
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# instantiate configuration
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m5.instantiate(root)
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# simulate until program terminates
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if options.maxtick:
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exit_event = m5.simulate(options.maxtick)
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else:
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exit_event = m5.simulate()
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print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
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