Messages in this thread | | | Date | Tue, 7 Jul 2020 05:24:57 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table |
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On Mon, Jul 06, 2020 at 04:57:28PM -0700, Jerry Snitselaar wrote: > > Jarkko Sakkinen @ 2020-07-06 16:09 MST: > > > On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote: > >> From: Stefan Berger <stefanb@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@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 > > The 1.2 bits should be functionally the same as before, right?
Yes. You should be able to read event log with TPM 1.2 as before.
/Jarkko
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