On Wed, Mar 04, 2020 at 04:38:21PM +0100, Jean-Philippe Brucker wrote:
> I agree with this. The problem is I don't know how to get a new ACPI table
> or change an existing one. It needs to go through the UEFI forum in order
> to be accepted, and I don't have any weight there. I've been trying to get
> the tiny change into IORT for ages. I haven't been given any convincing
> reason against it or offered any alternative, it's just stalled. The
> topology description introduced here wasn't my first choice either but
> unless someone can help finding another way into ACPI, I don't have a
> better idea.
A quote from the ACPI Specification (Version 6.3, Section 5.2.6,
Page 119):
Table signatures will be reserved by the ACPI promoters and
posted independently of this specification in ACPI errata and
clarification documents on the ACPI web site. Requests to
reserve a 4-byte alphanumeric table signature should be sent to
the email address [email protected] and should include the purpose
of the table and reference URL to a document that describes the
table format. Tables defined outside of the ACPI specification
may define data value encodings in either little endian or big
endian format. For the purpose of clarity, external table
definition documents should include the endian-ness of their
data value encodings.
So it sounds like you need to specifiy the table format and send a
request to [email protected] to get a table signature for it.
Regards,
Joerg
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