diff options
Diffstat (limited to 'src/sim/root.cc')
| -rw-r--r-- | src/sim/root.cc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/sim/root.cc b/src/sim/root.cc index 2d28499a7..34150083d 100644 --- a/src/sim/root.cc +++ b/src/sim/root.cc @@ -32,6 +32,7 @@ */ #include "base/misc.hh" +#include "config/the_isa.hh" #include "debug/TimeSync.hh" #include "sim/full_system.hh" #include "sim/root.hh" @@ -121,9 +122,45 @@ Root::initState() 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_upgrade.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"); + } +} + + bool FullSystem; unsigned int FullSystemInt; |