Re: [PATCH v2 13/25] binman: Make fake blobs zero-sized by default

Simon Glass
2022-03-06T03:09:16Z

Hi Alper,

On Thu, 3 Mar 2022 at 14:16, Alper Nebi Yasak <alpernebiyasak@gmail.com> wrote:
>
> On 24/02/2022 02:00, Simon Glass wrote:
> > On x86 devices having even a small amount of data can cause an overlap
> > between regions. For example, bayleybay complains when the intel-vga
> > region overlaps with u-boot-ucode:
> >
> > ImagePos Offset Size Name
> > <none> 00000000 00800000 main-section
> > <none> ff800000 00000080 intel-descriptor
> > <none> ff800400 00000080 intel-me
> > <none> fff00000 00098f24 u-boot-with-ucode-ptr
> > <none> fff98f24 00001aa0 u-boot-dtb-with-ucode
> > <none> fff9a9d0 0002a000 u-boot-ucode
> > <none> fffb0000 00000080 intel-vga
> > ...
> >
> > It is safer to use an empty file in most cases. Add an option to set the
> > size for those uses that need it.
> >
> > Signed-off-by: Simon Glass <sjg@chromium.org>
> > ---
> >
> > Changes in v2:
> > - Add a patch to make fake blobs zero-sized by default
> >
> > tools/binman/entry.py | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> > diff --git a/tools/binman/entry.py b/tools/binman/entry.py
>
> Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
>
> Later on, I think adding 'min-size' and 'max-size' properties for
> entries could be useful for a few things including this.

Yes I think that might become necessary.

Regards,
Simon