Re: [OE-core] [PATCH 2/2] uki.bbclass: add class for building Unified Kernel Images (UKI)

[Mikko Rapeli <mikko.rapeli@linaro.org>]

Hi,

On Mon, Sep 02, 2024 at 04:30:53PM +0200, Alexander Kanavin wrote:
> On Mon, 2 Sept 2024 at 16:15, Mikko Rapeli <mikko.rapeli@linaro.org> wrote:
> 
> > So, this is a wic image format specific re-implementation of systemd ukify.py script.
> > Calling not systemd ukify.py but objcopy directly. No control over kernel command
> > line, but could possible be added with simple patch. I don't see how to hook uki
> > signing into the mix with custom keys. Maybe a post processing step to the .wic
> > image build.
> >
> > Since this version is merged I presume ukify.bbclass will be rejected.
> 
> Not rejected per se; I would suggest that the existing wic
> implementation is rewritten to use the class (and hopefully becomes
> radically simpler and shorter)!
> 
> It's fine to not be entirely backwards compatible; this is master, and
> we can break things.

Does the implementation have to be a wic plugin?

wic is another wrapper over bitbake and I'd need to teach openssl native
and python3native things to it which seems a bit too much. uki.bbclass
is much simpler and wic can process the produced .efi file when creating
the ESP boot partition. I can try to fix the tests to work with uki.bbclass.

Cheers,

-Mikko