[PATCH v2] cmd: pxe_utils: sysboot: add label override support

Simon Glass sjg at chromium.org
Thu Nov 25 01:12:10 CET 2021

Hi Amjad,

On Sat, 13 Nov 2021 at 06:09, Amjad Ouled-Ameur
<aouledameur at baylibre.com> wrote:
> This will allow consumers to choose a pxe label at runtime instead of
> having to prompt the user. One good use-case for this, is choosing
> whether or not to apply a dtbo depending on the hardware configuration.
> e.g: for TI's AM335x EVM, it would be convenient to apply a particular
> dtbo only when the J9 jumper is on PRUSS mode. To achieve this, the
> pxe menu should have 2 labels, one with the dtbo and the other without,
> then the "pxe_label_override" env variable should point to the label with
> the dtbo at runtime only when the jumper is on PRUSS mode.
> This change can be used for different use-cases and bring more
> flexibilty to consumers who use sysboot/pxe_utils.
> if "pxe_label_override" is set but does not exist in the pxe menu,
> the code should fallback to the default label if given, and no failure
> is returned but rather a warning message.
> Signed-off-by: Amjad Ouled-Ameur <aouledameur at baylibre.com>
> ---
> Changes in v2:
> - Use !strcmp() instead of strcmp()==0
> - Add "pxe_label_override" documentation
>  boot/pxe_utils.c | 15 +++++++++++++++
>  doc/README.pxe   |  6 ++++++
>  2 files changed, 21 insertions(+)

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

Can I suggest converting the doc to rST?


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