[PATCH v5 05/29] hash: Use Kconfig to enable hashing in host tools and SPL

[Simon Glass]

Hi Alex,

On Mon, 27 Sept 2021 at 09:53, Alex G. <mr.nuke.me at gmail.com> wrote:
>
> Hi Simon
>
> On 9/25/21 8:43 PM, Simon Glass wrote:
> > At present when building host tools, we force CONFIG_SHAxxx to be enabled
> > regardless of the board Kconfig setting. This is done in the image.h
> > header file.
> >
> > For SPL we currently just assume the algorithm is desired if U-Boot proper
> > enables it.
> >
> > Clean this up by adding new Kconfig options to enable hashing on the host,
> > relying on CONFIG_IS_ENABLED() to deal with the different builds.
> >
> > Add new SPL Kconfigs for hardware-accelerated hashing, to maintain the
> > current settings.
> >
> > This allows us to drop the image.h code and the I_WANT_MD5 hack.
> >
> > Signed-off-by: Simon Glass <sjg at chromium.org>
> > ---
> >
> > Changes in v5:
> > - Drop I_WANT_MD5
> > - Use TOOLS_ instead of HOST_
> >
> I was planning to move hash algos to a linker list for target code, and
> a simple, ifdef-free list for the host, like we've done for crypto
> algos, and I think padding algos.
>
> We'd be able to drop #define I_WANT_MD5 (which is temporary), and drop
> define CONFIG_SHA_*, and by extension, drop the need for
> CONFIG_TOOLS_SHA*. I think that's far more elegant.

OK but can we do that after my series goes in? The series is a
significant #ifdef clean-up and I think you can easily do that on top
of the series.

Regards,
Simon