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

Jarkko Sakkinen jarkko.sakkinen at linux.intel.com
Tue Jul 7 02:24:16 UTC 2020


On Mon, Jul 06, 2020 at 07:55:26PM -0400, Stefan Berger wrote:
> 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 at linux.ibm.com>
> > > 
> > > 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 at linux.ibm.com>
> > Do you think that QEMU with TPM 1.2 emulator turned on would be a viable
> > way to test this?
> 
> 
> Yes.

Is the emulator bundled with QEMU or does it have to be installed
separately?

/Jarkko



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