Re: Thoughts about U-boot binary size increase

Marek Vasut
2024-03-28T09:40:38Z

On 3/28/24 10:20 AM, Lukasz Majewski wrote:
> Dear Community,
>
> I'd like to share with you some thoughts about growth of u-boot's
> binary size for SPL and u-boot proper.
>
> Board: XEA
> SoC : imx287 (still in active production)
> Problem: SPL size constrained to ~55 KiB (This cannot be exceeded).
> Board design constraints u-boot proper size to less than ~448
> KiB
>
>
> When XEA was added (2019.07):
> - u-boot.sb (SPL): 37 KiB
> - u-boot.img : 401 KiB
>
> Now (2024.04):
> - u-boot.sb (SPL): 40 KiB

Do you know which symbol(s) grew in here ?

> - u-boot.img : 427 KiB
>
> (With a _lot_ of effort put to reduce the size)
>
> Hence, the question - would it be possible to take more concern about
> the binary size growth?
>
> Maybe CI could catch patches, which enable by default some features and
> the size is unintentionally increased?

Try and set CONFIG_BOARD_SIZE_LIMIT and CONFIG_SPL_SIZE_LIMIT for this
board, that would trip build error if the size grows too large.