55c55
< class Timer
---
> class Timer : public Serializable
124,126c124,125
< void serialize(std::ostream &os);
< void unserialize(Checkpoint *cp, const std::string &section);
<
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
164,165c163,164
< virtual void serialize(std::ostream &os);
< virtual void unserialize(Checkpoint *cp, const std::string &section);
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;