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Re: making debs for u-boot kernels



	Hi.

On Thu, Jul 25, 2019 at 12:49:32PM -0400, Gene Heskett wrote:
> I am furious (fat lot of good that does me) with the lack of tools, and 
> information on how to use them to build an installable kernel.deb for a 
> rpi-3b.  I know it can be done, I have witnessed apt do it several 
> times, on at least two of the arm platforms, once on an arm64 running 
> stretch and several times on armhf for releases from jessie to buster.

Raspberry Pi does not use u-boot. Raspbian does not use u-boot. Their
proprietary bootloader can be forced to run u-boot, but its not worth it
- by using u-boot you're limiting yourself to armhf, and Raspberry Pi3
  is an aarch64 board.


> I want to take a linux-rt tar.xz direct from kernel.org, and its patches 
> to  bring it up to realtime, build it and install it all on the pi-3b, 
> to which I have added a 120GB SSD for workspace, and a 10GB swap so it 
> can now build linuxcnc.

Consider installing a proper Debian first the way it's outlined at [1].
Booting a custom kernel will be as easy as adding an another entry to
grub.cfg.

Reco

[1] https://pete.akeo.ie/2019/07/installing-debian-arm64-on-raspberry-pi.html


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