+
+ simQuantum = p->sim_quantum;
+}
+
+void
+Root::initState()
+{
+ timeSyncEnable(params()->time_sync_enable);
+}
+
+void
+Root::loadState(Checkpoint *cp)
+{
+ SimObject::loadState(cp);
+ timeSyncEnable(params()->time_sync_enable);
+}
+
+void
+Root::serialize(std::ostream &os)
+{
+ uint64_t cpt_ver = gem5CheckpointVersion;
+ SERIALIZE_SCALAR(cpt_ver);
+ SERIALIZE_SCALAR(FullSystem);
+ std::string isa = THE_ISA_STR;
+ SERIALIZE_SCALAR(isa);
+}
+
+void
+Root::unserialize(Checkpoint *cp, const std::string §ion)
+{
+ uint64_t cpt_ver = 0;
+ UNSERIALIZE_OPT_SCALAR(cpt_ver);
+ if (cpt_ver < gem5CheckpointVersion) {
+ warn("**********************************************************\n");
+ warn("!!!! Checkpoint ver %#x is older than current ver %#x !!!!\n",
+ cpt_ver, gem5CheckpointVersion);
+ warn("You might experience some issues when restoring and should run "
+ "the checkpoint upgrader (util/cpt_upgrader.py) on your "
+ "checkpoint\n");
+ warn("**********************************************************\n");
+ } else if (cpt_ver > gem5CheckpointVersion) {
+ warn("**********************************************************\n");
+ warn("!!!! Checkpoint ver %#x is newer than current ver %#x !!!!\n",
+ cpt_ver, gem5CheckpointVersion);
+ warn("Running a new checkpoint with an older version of gem5 is not "
+ "supported. While it might work, you may experience incorrect "
+ "behavior or crashes.\n");
+ warn("**********************************************************\n");
+ }