old_contents: # Simple test script
  #
  # Alpha: "m5 test.py"
  # MIPS: "m5 test.py -a Mips -c hello_mips"
  
  import os, optparse, sys
  import m5
  from m5.objects import *
  from FullO3Config import *
  
  # parse command-line arguments
  parser = optparse.OptionParser(option_list=m5.standardOptions)
  
  parser.add_option("-c", "--cmd", default="hello")
  parser.add_option("-t", "--timing", action="store_true")
  parser.add_option("-d", "--detailed", action="store_true")
  parser.add_option("-m", "--maxtick", type="int")
  
  (options, args) = parser.parse_args()
  m5.setStandardOptions(options)
  
  if args:
      print "Error: script doesn't take any positional arguments"
      sys.exit(1)
  
  # build configuration
  this_dir = os.path.dirname(__file__)
  
  process = LiveProcess()
  process.executable = os.path.join(this_dir, options.cmd)
  process.cmd = options.cmd
  
  magicbus = Bus()
  mem = PhysicalMemory()
  
  if options.timing:
      cpu = TimingSimpleCPU()
  elif options.detailed:
      cpu = DetailedO3CPU()
  else:
      cpu = AtomicSimpleCPU()
  cpu.workload = process
  cpu.mem = magicbus
  
  system = System(physmem = mem, cpu = cpu)
  mem.port = magicbus.port
  root = Root(system = system)
  
  # instantiate configuration
  m5.instantiate(root)
  
  # simulate until program terminates
  if options.maxtick:
      exit_event = m5.simulate(options.maxtick)
  else:
      exit_event = m5.simulate()
  
  print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
  
  
new_contents: # Simple test script
  #
  # Alpha: "m5 test.py"
  # MIPS: "m5 test.py -a Mips -c hello_mips"
  
  import os, optparse, sys
  import m5
  from m5.objects import *
  from FullO3Config import *
  
  # parse command-line arguments
  parser = optparse.OptionParser(option_list=m5.standardOptions)
  
  parser.add_option("-c", "--cmd", default="hello")
  parser.add_option("-t", "--timing", action="store_true")
  parser.add_option("-d", "--detailed", action="store_true")
  parser.add_option("-m", "--maxtick", type="int")
  
  (options, args) = parser.parse_args()
  m5.setStandardOptions(options)
  
  if args:
      print "Error: script doesn't take any positional arguments"
      sys.exit(1)
  
  # build configuration
  this_dir = os.path.dirname(__file__)
  
  process = LiveProcess()
  process.executable = os.path.join(this_dir, options.cmd)
  process.cmd = options.cmd
  
  magicbus = Bus()
  mem = PhysicalMemory()
  
  if options.timing:
      cpu = TimingSimpleCPU()
  elif options.detailed:
      cpu = DetailedO3CPU()
  else:
      cpu = AtomicSimpleCPU()
  cpu.workload = process
  cpu.mem = magicbus
  
  system = System(physmem = mem, cpu = cpu)
  mem.port = magicbus.port
  root = Root(system = system)
  
  # instantiate configuration
  m5.instantiate(root)
  
  # simulate until program terminates
  if options.maxtick:
      exit_event = m5.simulate(options.maxtick)
  else:
      exit_event = m5.simulate()
  
  print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
  
  
subject: use 'tick' instead of 'cycle'