On Tue, Nov 02, 2021 at 11:49:09AM -0400, Stefan Berger wrote:

Enable the physical presence interface for TPM 1.2. It is required for the
TPM 1.2 menu to work.

The changes to DxeTcgPhysicalPresenceLib.c are due to the device we are using
in QEMU for presenting the supported PPI commands and results to the OS via
ACPI as well as to store the PPI opcode to execute.

Fails to build for microvm.

+ TcgPhysicalPresenceLib|OvmfPkg/Library/TcgPhysicalPresenceLibNull/DxeTcgPhysicalPresenceLib.inf

I guess this line is needed just next to Tcg2PhysicalPresenceLibNull
line?

(same problem on OvmfXen.dsc)

take care,
Gerd