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Add 'tftpbootubi' output: emits a ubifs rootfs image and tftpbootable kernel#7

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Add 'tftpbootubi' output: emits a ubifs rootfs image and tftpbootable kernel#7
srd424 wants to merge 1 commit intotelent:mainfrom
srd424:tftpubi

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@srd424 srd424 commented Jul 19, 2024

Add 'tftpbootubi' output module that emits a ubifs rootfs which can be manually added to a new volume in an existing UBI device, and also a kernel which can tftp booted which is capable of using it.

Not sure if you'll want this, but it's maybe helping me with my hacking around. It's possible the heat's got to my brain and I've missed another way of doing it! The ER-X uses a UBI based layout but its uboot doesn't seem capable of booting the kernel direct from inside it (it has separate mtd partitions for the kernel.) Someone with more functioning neurons and nix experience might be able to merge it with one of the other modules (probably tftpboot.nix from which it's derived.)

can be manually added to a new volume in an existing UBI device,
and also a kernel which can tftp booted which is capable of using
it.
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srd424 commented Jul 19, 2024

Just remembered, it needs some tidying up, doesn't need ramdisk support for example.

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