ACPI: usage of sandbox virtual addresses

[Simon Glass]

Hi Heinrich,

On Tue, Dec 26, 2023 at 8:56 AM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> Hello Simon,
>
> currently we use sandbox virtual addresses in all ACPI tables. This
> means that an application started by the U-Boot sandbox consuming these
> tables will crash due to accessing invalid addresses.
>
> Shouldn't the ACPI tables be migrated to use valid pointers?

The confusion arises due to the difference between addresses and
pointers. If we store addresses in the ACPI tables, then things should
work.

My approach has been to avoid using casts, but instead use
map_sysmem() and mem_to_sysmem().

Which particular piece of code is wrong in this case?

Regards,
Simon