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Checkpoints: Add checkpointing infrastructure for devices #82

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Checkpoints: Add checkpointing infrastructure for devices #82

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tomeroberts
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  • Extend the JSON library slightly to support writing out JSON trees
  • Add support in riscv_machine to dump the PLIC state and virtio device state as a JSON that can be read back in to restore it
  • Not all device state is stored yet, but this is enough to boot linux, checkpoint, restore from the checkpoint and then use the virtio filesystem. Which is handy.

@tomeroberts
Checkpoints: Add checkpointing infrastructure for devices
d109656 
- Extend the JSON library slightly to support writing out JSON trees
- Add support in riscv_machine to dump the PLIC state and virtio
  device state as a JSON that can be read back in to restore it
- Not all device state is stored yet, but this is enough to boot
  linux, checkpoint, restore from the checkpoint and then use the
  virtio filesystem. Which is handy.
@et-tommythorn
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Neat! Pulled, thanks.

@tomeroberts tomeroberts deleted the device_cpt branch March 6, 2024 13:27
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@tomeroberts @et-tommythorn