[U-Boot] [PATCH v2 5/8] arm: efi: Add a hello world test program

[Simon Glass]

Hi Alex,

On 3 October 2016 at 21:15, Alexander Graf <agraf at suse.de> wrote:
>
>
> Am 03.10.2016 um 23:50 schrieb Simon Glass <sjg at chromium.org>:
>
> Hi,
>
> On 27 September 2016 at 15:28, Tom Rini <trini at konsulko.com> wrote:
>
> On Mon, Sep 26, 2016 at 09:36:19AM +0200, Alexander Graf wrote:
>
>
>
> On 25.09.16 23:27, Simon Glass wrote:
>
> It is useful to have a basic sanity check for EFI loader support. Add a
>
> 'bootefi hello' command which loads HelloWord.efi and runs it under U-Boot.
>
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
>
> ---
>
>
> Changes in v2: None
>
>
> arch/arm/lib/HelloWorld32.efi  | Bin 0 -> 11712 bytes
>
>
> IIRC U-Boot as a whole is GPL licensed, which means that any binaries
>
> shipped inside would also need to be GPL compatibly licensed which again
>
> means that the source code (and build instructions?) for this .efi file
>
> would need to be part of the tree, no?
>
>
> Yeah, I'm not super comfortable with this.
>
>
> Do you think we should drop these binary patches? I could always put
> the binaries somewhere along with instructions on how to get them.
>
>
> I think that's the best option, yes. You can always just add a url to the
> readme to point people into the right direction.

OK. One problem is that we cannot write a test for it unless we
actually run an EFI application.

>
>
> I do think it is useful to be able to test the platform though.
>
>
> I don't disagree, but I would argue that for the average u-boot user it
> brings no additional value ;). And people like you who know how to enable a
> new architecture probably also know how to get a file into their target's
> memory.

I wonder if we can build our own hello world application? I think I
did it once. But there is EFI library code that we would need to bring
in (perhaps a small amount).

Regards,
Simon