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peter/infix

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Tobias Waldekranz ca3966db62 common: Create signature of root filesystem

mkimage will generate an FIT image containing a signature of the
rootfs, where the data is kept out of the DTB data structure, i.e.:

.---------.
|   DTB   |
:---------:
| Padding |
:---------:
|         |
|         |
| rootfs  |
|         |
|         |
'---------'

This is the on-disk format of Infix. At boot, we extract kernel and
device trees from the rootfs, and then use Linux's device mapper to
create a virtual block device that exposes the rootfs (squash).

2023-02-20 10:45:51 +01:00

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 blkmap get boot dev devnum
 load blkmap ${devnum} ${kernel_addr_r} /boot/Image
 #TODO: LOAD FDT
 setenv bootargs "${bootargs_root} ${bootargs_rauc} ${bootargs_log}"
 booti ${kernel_addr_r} ${ramdisk} ${fdt_addr}