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()
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()