[PATCH] ACPI: Add ASPT test
Blibbet
blibbet at gmail.com
Thu Jan 21 20:44:53 UTC 2016
Hi,
Re:
https://lists.ubuntu.com/archives/fwts-devel/2015-December/007107.html
http://firmwaresecurity.com/2015/12/08/fwts-adds-test-for-undocumented-aspt-acpi/
I asked a firmware contact at AMD if they had an internal spec they could publish. They looked into it, and don't think it is an AMD spec. Sounds like ownership is still unknown, see below. I'm not sure where to look next.
Thanks,
Lee
---snip---
Well, as far as I can tell, nobody at AMD knows about the ASPT table.
First I asked the relevant specialists, then I asked everybody associated with BIOS.
Nobody recognizes it as an AMD thing.
Then we found an IBV .txt file that listed a bunch of Intel-sounding platforms associated with ASPT.
So, could you double check whether this is really being seen on AMD platforms, please?
Even if you do find it on some AMD platforms, I’m now pretty sure it’s not an AMD thing.
It might be a proprietary ACPI table added by an OEM or and IBV.
I believe proprietary tables are allowed by the ACPI spec.
---snip---
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