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7090fc5dd6
Existing C code in `main.c` only mounts a flash filesystem if one exists, and doesn't do anything if the 'storage' partition is not formatted. This commit moves the mounting logic from `main.c` to frozen code using `modules/_boot.py` and adds the formatting of a previously unformatted partition if the mount fails. Every available disk (in the newly added `DiskAccess.disks` tuple) will be mounted on separate mount points (if they're formatted), and the 'storage' flash partition (if any) will be mounted on /flash (and will be formatted as LFS2 if necessary). Also, `sys.path` will be updated with appropriate 'lib' subdirectories for each mounted filesystem. The current working directory will be changed to the last `DiskAccess.disk` mounted, or to /flash if no disks were mounted. Then `boot.py` and `main.py` will be executed from the current working directory if they exist. Thanks to @VynDragon for the logic in `zephyr/zephyr_storage.c`. Signed-off-by: Ned Konz <ned@metamagix.tech>