example/arm/fs_bigLITTLE.py

206 def build(options):
216         "root=%s" % options.root,
218         "init=%s" % options.kernel_init,
224     disks = [default_disk] if len(options.disk) == 0 else options.disk
225     system = createSystem(options.caches,
226                           options.kernel,
227                           options.bootscript,
228                           options.machine_type,
234     if options.big_cpus + options.little_cpus == 0:
237     big_model, little_model = cpu_types[options.cpu_type]
241     if options.big_cpus > 0:
242         system.bigCluster = big_model(system, options.big_cpus,
243                                       options.big_cpu_clock)
248     if options.little_cpus > 0:
249         system.littleCluster = little_model(system, options.little_cpus,
250                                             options.little_cpu_clock)
255     if options.big_cpus > 0 and options.little_cpus > 0 and \
261     system.addCaches(options.caches, options.last_cache_level)
262     if not options.caches:
263         if options.big_cpus > 0 and system.bigCluster.requireCaches():
265         if options.little_cpus > 0 and system.littleCluster.requireCaches():
273     if options.dtb is not None:
274         system.dtb_filename = SysPaths.binary(options.dtb)
276         system.generateDtb(m5.options.outdir, 'system.dtb')
299 def instantiate(options, checkpoint_dir=None):
305                        options.sim_quantum)
306         root.sim_quantum = _to_ticks(options.sim_quantum)
309     if options.restore_from:
310         if checkpoint_dir and not os.path.isabs(options.restore_from):
311             cpt = os.path.join(checkpoint_dir, options.restore_from)
313             cpt = options.restore_from
321 def run(checkpoint_dir=m5.options.outdir):
342     options = parser.parse_args()
343     root = build(options)
344     root.apply_config(options.param)
345     instantiate(options)