Hi Simon,

On 29/05/2024 18:30, Simon Glass wrote:
Hi Caleb,

On Wed, 29 May 2024 at 08:49, Caleb Connolly <caleb.conno...@linaro.org> wrote:

Add a tool that can generate GUIDs that match those generated internally
by U-Boot for capsule update fw_images.

Dynamic UUIDs in U-Boot work by taking a namespace UUID and hashing it
with the board model, compatible, and fw_image name.

This tool accepts the same inputs and will produce the same GUID as
U-Boot would at runtime.

Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org>
---
  tools/Makefile  |   3 ++
  tools/genguid.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  2 files changed, 157 insertions(+)

Where is this tool used? Can you add a man page and test?

It currently doesn't have any users, it just allows for pre-generating GUIDs ahead of time for a given board. It might be hooked up to vendor tooling or some usecase like that.

I've somehow escaped learning Groff before now heh, I can give it a go and write a test.

Regards,
Simon

--
// Caleb (they/them)

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