[PATCH] boot: Add LEGACY_IMAGE_FORMAT to DISTRO_DEFAULTS

[Peter Robinson]

On Tue, 19 Aug 2025 at 15:57, Tom Rini <trini at konsulko.com> wrote:
>
> On Tue, Aug 19, 2025 at 12:13:31PM +0100, Peter Robinson wrote:
> > On Mon, 18 Aug 2025 at 17:51, Tom Rini <trini at konsulko.com> wrote:
> > >
> > > At this time there are still major Linux distributions which by default
> > > boot using LEGACY_IMAGE_FORMAT type scripts. Add this option to
> > > DISTRO_DEFAULTS to ensure these platforms can still boot.
> >
> > What is the legacy image format exactly? Does select make it non
> > optional, can we use imply or similar here?
>
> In this case "legacy image format" is uImage-style images, rather than
> FIT images. And no, we can't imply it because then we'd break Debian
> (which doesn't boot on a handful of platforms now which do have
> DISTRO_DEFAULTS but don't have this).

The distro boot stuff, which if my memory servers, is what the
DISTRO_DEFAULTS is used for, never used the uImage style kernels.