[U-Boot] [PATCH v4 3/4] configs: define CONFIG_SPL_SIZE_LIMIT

[Fabio Estevam]

Hi Tom and Heinrich,

On Fri, Jun 7, 2019 at 7:06 PM Tom Rini <trini at konsulko.com> wrote:
>
> On Tue, Apr 02, 2019 at 07:19:06PM +0200, Heinrich Schuchardt wrote:
>
> > A new configuration variable CONFIG_SPL_SIZE_LIMIT is introduced to define
> > the board specific maximum size for the SPL file.
> >
> > Use Makefile function size_check() to implement the test.
> >
> > Depending on the size of CONFIG_SPL_SIZE_LIMIT an error like the following
> > is thrown:
> >
> > spl/u-boot-spl.bin exceeds file size limit:
> >   limit:  30720 bytes
> >   actual: 33426 bytes
> >   excess: 2706 bytes
> > make: *** [Makefile:1663: spl/u-boot-spl.bin] Error 1
> >
> > Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
>
> Applied to u-boot/master, thanks!

Just tested this on mx6sabresd_defconfig, where the SPL size limit is
68 * 1024, so I passed:

CONFIG_SPL_SIZE_LIMIT=69632

but SPL builds without error and the generated size is 76800.

Any ideas why CONFIG_SPL_SIZE_LIMIT did not catch the SPL size
overflow for mx6sabresd_defconfig?

Thanks