How can I create a OPTEE snapshots?

[Mangoiscool]

I'm new to OPTEE. I find that every time I need run make run-only to start OPTEE environment(qemu_v8). But how do I save a new file I created in the OPTEE environment to my host OS device? Or how can I create a OPTEE snapshots?

[mssun]

Thanks for asking. You can use QEMU_VIRTFS_HOST_DIR to share a directory with host and guest.

Also, QEMU support to create snapshot [1] [2].

[1] https://wiki.qemu.org/index.php/Features/Snapshots [2] https://wiki.qemu.org/Documentation/CreateSnapshot

[Mangoiscool]

Thanks！ Sharing folders is very convenient！