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

[Alper Nebi Yasak]

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 at 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 at gmail.com>

Later on, I think adding 'min-size' and 'max-size' properties for
entries could be useful for a few things including this.