122a123,124
> unsigned int drain(DrainManager *dm) M5_ATTR_OVERRIDE;
>
136c138
< class FdMap
---
> class FdMap : public Serializable
153,154c155,156
< 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;
236,237c238,239
< 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;