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Re: Making U-Boot + grub-efi-arm(64) the default boot flow for Raspberry Pi hardware?





On Tue, Apr 8, 2025 at 4:30 PM Aaron Rainbolt <arraybolt3@gmail.com> wrote:

Booting in this way has a number of substantial advantages over the way
the Raspberry Pi boot process currently works:

* The kernel command line can be modified by /etc/default/grub

I'm a (huge) fan of ZFS and run my X86_64 Debian hosts with riot on ZFS. I've taken a stab at implementing this with Debian. It's been done with Ubuntu but I was unable to determine what I needed to do to accomplish this with Debian. I wonder if your approach would make that possible.
 
* Multiboot installations on the Pi become possible.

I'm also interested in this. I've started work on this at https://github.com/HankB/pmb which is a brute force approach, swapping the contents of the /firmware/boot partition between installations that reside in other partitions on the media. Other stuff has bubbled to the top of my priority list and I have not worked on this in a while but perhaps it might be of use to you or give you some ideas. I think that it's a worse kludge than your suggestions and should be nowhere near tha Debian repos, let alone upstream.

best,
 
--
Beautiful Sunny Winfield

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