configs/learning_gem5/part2/run_simple.py

# -*- coding: utf-8 -*-
# Copyright (c) 2017 Jason Lowe-Power
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""" Simple config/run script for the HelloObject

This is probably the simplest gem5 config file you can possibly create.
It creates a Root object and one *very* simple SimObject and simulates the
system. Since there are no events, this "simulation" should finish immediately

"""

from __future__ import print_function
from __future__ import absolute_import

# import the m5 (gem5) library created when gem5 is built
import m5
# import all of the SimObjects
from m5.objects import *

# set up the root SimObject and start the simulation
root = Root(full_system = False)

# Create an instantiation of the simobject you created
root.hello = SimpleObject()

# instantiate all of the objects we've created above
m5.instantiate()

print("Beginning simulation!")
exit_event = m5.simulate()
print('Exiting @ tick %i because %s' % (m5.curTick(), exit_event.getCause()))