[PATCH v2] smbios: arm64: Allow table to be written at a fixed addr

[Simon Glass]

Hi Heinrich,

On Tue, 24 Oct 2023 at 18:22, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
>
>
> Am 25. Oktober 2023 01:31:19 MESZ schrieb Simon Glass <sjg at chromium.org>:
> >U-Boot typically sets up its malloc() pool near the top of memory. On
> >ARM64 systems this can result in an SMBIOS table above 4GB which is
> >not supported by SMBIOSv2.
> >
> >Work around this problem by providing a new option to choose an address
> >below 4GB (but as high as possible), if needed.
>
> You must not overwrite memory controlled by the EFI subsystem without calling its allocator.  We should provide SMBIOS 3. SMBIOS 2 is only a fallback for outdated tools.

That is not my intention and I don't believe this code does that. EFI
is not running at this point, is it?

The bit I am confused about is that we don't support SMBIOS3 in
U-Boot. I am trying to fix an introduced bug...

Regards,
Simon