tests/gem5/x86-boot-tests/run_exit.py

   1 # Copyright (c) 2016 Jason Lowe-Power
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 import argparse
  28 import sys
  29 import os
  30
  31 import m5
  32 import m5.ticks
  33 from m5.objects import *
  34
  35 sys.path.append(os.path.dirname(__file__) + '/system')
  36 sys.path.append(os.path.dirname(__file__) + '/../../../configs/common/')
  37 from system import *
  38
  39 parser = argparse.ArgumentParser(description="")
  40 parser.add_argument('--kernel', type=str)
  41 parser.add_argument('--disk', type=str)
  42 parser.add_argument('--cpu-type', choices=['atomic', 'kvm', 'o3', 'simple',])
  43 parser.add_argument('--num-cpus', type=int)
  44 parser.add_argument('--boot-type', choices=['init', 'systemd',])
  45
  46 #(options, args) = parser.parse_args()
  47 args = parser.parse_args()
  48
  49 # create the system we are going to simulate
  50 system = MySystem(args.kernel, args.disk, args.cpu_type, args.num_cpus)
  51
  52 if args.boot_type == "init":
  53     # Simply run "exit.sh"
  54     system.workload.command_line += ' init=/root/exit.sh'
  55 else:
  56     if args.boot_type != "systemd":
  57         m5.fatal("Bad option for boot_type. init or systemd.")
  58
  59 # set up the root SimObject and start the simulation
  60 root = Root(full_system = True, system = system)
  61
  62 if system.getHostParallel():
  63     # Required for running kvm on multiple host cores.
  64     # Uses gem5's parallel event queue feature
  65     # Note: The simulator is quite picky about this number!
  66     root.sim_quantum = int(1e9) # 1 ms
  67
  68 # instantiate all of the objects we've created above
  69 m5.instantiate()
  70
  71 print("Running the simulation")
  72 exit_event = m5.simulate()
  73
  74 if exit_event.getCause() != "m5_exit instruction encountered":
  75     print("Failed to exit correctly")
  76     exit(1)
  77 else:
  78     print("Success!")
  79     exit(0)