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

[Stefan Berger]

On 7/6/20 7:09 PM, Jarkko Sakkinen wrote:
> 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?


Yes.


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