[U-Boot] [PATCH v2] spl: implement CRC check on U-Boot uImage

[Simon Glass]

On Wed, 28 Nov 2018 at 13:52, Simon Goldschmidt
<simon.k.r.goldschmidt at gmail.com> wrote:
>
> SPL currently does not check uImage CRCs when loading U-Boot.
>
> This patch adds checking the uImage CRC when SPL loads U-Boot. It does
> this by reusing the existing config option SPL_CRC32_SUPPORT to allow
> leaving out the CRC check on boards where the additional code size or
> boot time is a problem (adding the CRC check currently adds ~1.4 kByte
> to flash).
>
> The SPL_CRC32_SUPPORT config option now gets enabled by default if SPL
> support for legacy images is enabled to check the CRC on all boards
> that don't actively take countermeasures.
>
> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> ---
>
> Changes in v2:
> - added Kconfig option SPL_LEGACY_IMAGE_CRC_CHECK to enable/disable
>   checking CRC on legacy images
>
>  common/spl/Kconfig | 21 +++++++++++++++------
>  common/spl/spl.c   | 30 +++++++++++++++++++++++++++++-
>  include/spl.h      |  5 +++++
>  3 files changed, 49 insertions(+), 7 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>