Esempio n. 1
0
def instantiate(ckpt_dir=None):
    from m5 import options

    root = objects.Root.getInstance()

    if not root:
        fatal("Need to instantiate Root() before calling instantiate()")

    # we need to fix the global frequency
    ticks.fixGlobalFrequency()

    # Make sure SimObject-valued params are in the configuration
    # hierarchy so we catch them with future descendants() walks
    for obj in root.descendants(): obj.adoptOrphanParams()

    # Unproxy in sorted order for determinism
    for obj in root.descendants(): obj.unproxyParams()

    if options.dump_config:
        ini_file = open(os.path.join(options.outdir, options.dump_config), 'w')
        # Print ini sections in sorted order for easier diffing
        for obj in sorted(root.descendants(), key=lambda o: o.path()):
            obj.print_ini(ini_file)
        ini_file.close()

    if options.json_config:
        try:
            import json
            json_file = open(
                os.path.join(options.outdir, options.json_config), 'w')
            d = root.get_config_as_dict()
            json.dump(d, json_file, indent=4)
            json_file.close()
        except ImportError:
            pass

    do_dot(root, options.outdir, options.dot_config)
    do_ruby_dot(root, options.outdir, options.dot_config)

    # Initialize the global statistics
    stats.initSimStats()

    # Create the C++ sim objects and connect ports
    for obj in root.descendants(): obj.createCCObject()
    for obj in root.descendants(): obj.connectPorts()

    # Do a second pass to finish initializing the sim objects
    for obj in root.descendants(): obj.init()

    # Do a third pass to initialize statistics
    stats._bindStatHierarchy(root)
    root.regStats()

    # Do a fourth pass to initialize probe points
    for obj in root.descendants(): obj.regProbePoints()

    # Do a fifth pass to connect probe listeners
    for obj in root.descendants(): obj.regProbeListeners()

    # We want to generate the DVFS diagram for the system. This can only be
    # done once all of the CPP objects have been created and initialised so
    # that we are able to figure out which object belongs to which domain.
    if options.dot_dvfs_config:
        do_dvfs_dot(root, options.outdir, options.dot_dvfs_config)

    # We're done registering statistics.  Enable the stats package now.
    stats.enable()

    # Restore checkpoint (if any)
    if ckpt_dir:
        _drain_manager.preCheckpointRestore()
        ckpt = _m5.core.getCheckpoint(ckpt_dir)
        _m5.core.unserializeGlobals(ckpt);
        for obj in root.descendants(): obj.loadState(ckpt)
    else:
        for obj in root.descendants(): obj.initState()

    # Check to see if any of the stat events are in the past after resuming from
    # a checkpoint, If so, this call will shift them to be at a valid time.
    updateStatEvents()
Esempio n. 2
0
def instantiate(ckpt_dir=None):
    from m5 import options

    root = objects.Root.getInstance()

    if not root:
        fatal("Need to instantiate Root() before calling instantiate()")

    # we need to fix the global frequency
    ticks.fixGlobalFrequency()

    # Make sure SimObject-valued params are in the configuration
    # hierarchy so we catch them with future descendants() walks
    for obj in root.descendants(): obj.adoptOrphanParams()

    # Unproxy in sorted order for determinism
    for obj in root.descendants(): obj.unproxyParams()

    if options.dump_config:
        ini_file = open(os.path.join(options.outdir, options.dump_config), 'w')
        # Print ini sections in sorted order for easier diffing
        for obj in sorted(root.descendants(), key=lambda o: o.path()):
            obj.print_ini(ini_file)
        ini_file.close()

    if options.json_config:
        try:
            import json
            json_file = open(
                os.path.join(options.outdir, options.json_config), 'w')
            d = root.get_config_as_dict()
            json.dump(d, json_file, indent=4)
            json_file.close()
        except ImportError:
            pass

    do_dot(root, options.outdir, options.dot_config)

    # Initialize the global statistics
    stats.initSimStats()

    # Create the C++ sim objects and connect ports
    for obj in root.descendants(): obj.createCCObject()
    for obj in root.descendants(): obj.connectPorts()

    # Do a second pass to finish initializing the sim objects
    for obj in root.descendants(): obj.init()

    # Do a third pass to initialize statistics
    for obj in root.descendants(): obj.regStats()

    # Do a fourth pass to initialize probe points
    for obj in root.descendants(): obj.regProbePoints()

    # Do a fifth pass to connect probe listeners
    for obj in root.descendants(): obj.regProbeListeners()

    # We want to generate the DVFS diagram for the system. This can only be
    # done once all of the CPP objects have been created and initialised so
    # that we are able to figure out which object belongs to which domain.
    if options.dot_dvfs_config:
        do_dvfs_dot(root, options.outdir, options.dot_dvfs_config)

    # We're done registering statistics.  Enable the stats package now.
    stats.enable()

    # Restore checkpoint (if any)
    if ckpt_dir:
        _drain_manager.preCheckpointRestore()
        ckpt = _m5.core.getCheckpoint(ckpt_dir)
        _m5.core.unserializeGlobals(ckpt);
        for obj in root.descendants(): obj.loadState(ckpt)
    else:
        for obj in root.descendants(): obj.initState()

    # Check to see if any of the stat events are in the past after resuming from
    # a checkpoint, If so, this call will shift them to be at a valid time.
    updateStatEvents()