configs/test/test.py

   1 # Simple test script
   2 #
   3 # Alpha: "m5 test.py"
   4 # MIPS: "m5 test.py -a Mips -c hello_mips"
   5
   6 import os, optparse, sys
   7 import m5
   8 from m5.objects import *
   9 from FullO3Config import *
  10
  11 # parse command-line arguments
  12 parser = optparse.OptionParser(option_list=m5.standardOptions)
  13
  14 parser.add_option("-c", "--cmd", default="hello",
  15                   help="The binary to run in syscall emulation mode.")
  16 parser.add_option("-o", "--options", default="",
  17         help="The options to pass to the binary, use \" \" around the entire\
  18                 string.")
  19 parser.add_option("-i", "--input", default="",
  20         help="A file of input to give to the binary.")
  21 parser.add_option("-t", "--timing", action="store_true",
  22         help="Use simple timing CPU.")
  23 parser.add_option("-d", "--detailed", action="store_true",
  24         help="Use detailed CPU.")
  25 parser.add_option("-m", "--maxtick", type="int",
  26         help="Set the maximum number of ticks to run  for")
  27
  28 (options, args) = parser.parse_args()
  29 m5.setStandardOptions(options)
  30
  31 if args:
  32     print "Error: script doesn't take any positional arguments"
  33     sys.exit(1)
  34
  35 # build configuration
  36 this_dir = os.path.dirname(__file__)
  37
  38 process = LiveProcess()
  39 process.executable = os.path.join(this_dir, options.cmd)
  40 process.cmd = options.cmd + " " + options.options
  41 if options.input != "":
  42     process.input = options.input
  43
  44 magicbus = Bus()
  45 mem = PhysicalMemory()
  46
  47 if options.timing and options.detailed:
  48        print "Error: you may only specify one cpu model";
  49        sys.exit(1)
  50
  51 if options.timing:
  52     cpu = TimingSimpleCPU()
  53 elif options.detailed:
  54     #check for SMT workload
  55     workloads = options.cmd.split(';')
  56     if len(workloads) > 1:
  57         process = []
  58         smt_idx = 0
  59         inputs = []
  60
  61         if options.input != "":
  62             inputs = options.input.split(';')
  63
  64         for wrkld in workloads:
  65             smt_process = LiveProcess()
  66             smt_process.executable = os.path.join(this_dir, wrkld)
  67             smt_process.cmd = wrkld + " " + options.options
  68             if inputs and inputs[smt_idx]:
  69                 smt_process.input = inputs[smt_idx]
  70             process += [smt_process, ]
  71             smt_idx += 1
  72
  73     cpu = DetailedO3CPU()
  74 else:
  75     cpu = AtomicSimpleCPU()
  76 cpu.workload = process
  77 cpu.mem = magicbus
  78
  79 system = System(physmem = mem, cpu = cpu)
  80 mem.port = magicbus.port
  81 root = Root(system = system)
  82
  83 # instantiate configuration
  84 m5.instantiate(root)
  85
  86 # simulate until program terminates
  87 if options.maxtick:
  88     exit_event = m5.simulate(options.maxtick)
  89 else:
  90     exit_event = m5.simulate()
  91
  92 print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
  93