[U-Boot] [PATCH 3/9] SPL: read and store arch property from U-Boot image

[Alexander Graf]

On 02/21/2019 02:30 AM, Andre Przywara wrote:
> Read the specified "arch" value from a legacy or FIT U-Boot image and
> store it in our SPL data structure.
> This allows loaders to take the target architecture in account for
> custom loading procedures.
> Having the complete string -> arch mapping for FIT based images in the
> SPL would be too big, so we leave it up to architectures (or boards) to
> overwrite the weak function that does the actual translation, possibly
> covering only the required subset there.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Reviewed-by: Alexander Graf <agraf at suse.de>

I don't fully buy the argument that the generic mapping would be too big 
though. Realistically you should be able to get away with 1 or 2 
branches per case, no? So that would be maybe 40 instructions?


Alex