Hi Yannic,

On Thu, 14 Nov 2024 at 00:51, Yannic Moog <y.m...@phytec.de> wrote:
>
> Hi Simon,
>
> On Wed, 2024-11-06 at 08:35 -0700, Simon Glass wrote:
> > This flag was lost by a previous change and has never been restored.
> > Without it, binman cannot fully handle missing blobs which are
> > themselves inputs to mkimage.
> >
> > Discussion on this at [1] indicated that this was necessary but the
> > patch was not updated.
> >
> > Restore the flag so that all missing blobs are reported.
> >
> > Link: 
> > https://patchwork.ozlabs.org/project/uboot/patch/20221206020336.315465-1-tr...@konsulko.com/
>
> sorry I'm picking this up so late;
> As I am working on OP-TEE addition to imx8m boards [1], this patch got my 
> interest.
> I applied the patch on top of my patchstack and tried to build 
> (phycore-imx8mp) with missing tee.bin
> binary and got unexpected results:
>
>
> Image 'image' has faked external blobs and is non-functional: tee.bin
>
> Image 'image' is missing optional external blobs but is still functional: 
> tee-os
>
> /binman/section/fit/images/tee/tee-os (tee.bin):
>    See the documentation for your board. You may need to build Open Portable
>    Trusted Execution Environment (OP-TEE) and build with TEE=/path/to/tee.bin
>
> Some images are invalid
>
>
> So build fails even though tee.bin is marked as optional.
> Did I miss another patch that must be used in conjunction with this one?
>
> Before this patch, I see the following output.
>
>
> Image 'image' is missing optional external blobs but is still functional: 
> tee-os
>
> /binman/section/fit/images/tee/tee-os (tee.bin):
>    See the documentation for your board. You may need to build Open Portable
>    Trusted Execution Environment (OP-TEE) and build with TEE=/path/to/tee.bin
>
>
> With successful build.

The previous behaviour was a bug, at least that's what I concluded. It
was ignored sections within sections, in some cases.

Do you have tee in there twice? It seems strange to get this case.

If you can't figure it out, can you send patches or share a tree?

>
> Yannic
>
> [1] 
> https://lore.kernel.org/u-boot/20241107-phytec_imx8m_optee-v2-0-bbc3747a6...@phytec.de
>
> >
> > Signed-off-by: Simon Glass <s...@chromium.org>
> > Fixes: 93685d0dcb9 ("Makefile: With BINMAN_ALLOW_MISSING=1 don't error")
> > ---
> >
> > Changes in v2:
> > - Use Link: and avoid a line break
> >
> >  Makefile | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/Makefile b/Makefile
> > index 7275a02f24c..f92f46b3ab7 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1398,7 +1398,8 @@ cmd_binman = $(srctree)/tools/binman/binman $(if 
> > $(BINMAN_DEBUG),-D) \
> >                  --toolpath $(objtree)/tools \
> >               $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
> >               build -u -d u-boot.dtb -O . -m \
> > -             --allow-missing $(if 
> > $(BINMAN_ALLOW_MISSING),--ignore-missing) \
> > +             --allow-missing --fake-ext-blobs \
> > +             $(if $(BINMAN_ALLOW_MISSING),--ignore-missing) \
> >               -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
> >               $(foreach f,$(of_list_dirs),-I $(f)) -a of-list=$(of_list) \
> >               $(foreach f,$(BINMAN_INDIRS),-I $(f)) \
>

Regards,
Simon

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