Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table

From: Jarkko Sakkinen
Date: Mon Jul 06 2020 - 19:09:20 EST


On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote:
> From: Stefan Berger <stefanb@xxxxxxxxxxxxx>
>
> In case a TPM2 is attached, search for a TPM2 ACPI table when trying
> to get the event log from ACPI. If one is found, use it to get the
> start and length of the log area. This allows non-UEFI systems, such
> as SeaBIOS, to pass an event log when using a TPM2.
>
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>

Do you think that QEMU with TPM 1.2 emulator turned on would be a viable
way to test this?

I'm anyway more worried about breaking existing TPM 1.2 functionality
and that requires only QEMU without extras.

/Jarkko