Re: [PATCH 3/3] tests/acpi: Update virt/SSDT.memhp

[Bin Meng]

On Mon, Jan 15, 2024 at 7:40 PM Alex Bennée <alex.bennee@linaro.org> wrote:
>
> Bin Meng <bin.meng@windriver.com> writes:
>
> > The Arm dtb changes caused an address change:
> >
> >  DefinitionBlock ("", "SSDT", 1, "BOCHS ", "NVDIMM", 0x00000001)
> >  {
> >      [ ... ]
> > -    Name (MEMA, 0x43C80000)
> > +    Name (MEMA, 0x43D80000)
> >  }
>
> I'm confused by why this changes. Isn't this declaring the size of a
> NVDIMM region of the memory map? Why does a DTB change affect an ACPI
> based boot?
>

I have no idea too. I suspect that's because the AllocateAlignedPages
call to allocate a 1 MiB aligned address in the BiosTableTest.c is
affected by the shrinked DTB now.

+ Laszlo who might know the root cause.

Regards,
Bin