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

Jarkko Sakkinen jarkko.sakkinen at linux.intel.com
Mon Jul 6 23:09:14 UTC 2020


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?

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

/Jarkko



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