HI Jason TCG2 PP support requires the presence of TPM2 hardware. Does OVMF support TPM2 hardware?
If it supports, you can add code in BDS. You may refer to edk2\Vlv2TbltDevicePkg\Library\PlatformBdsLib\BdsPlatform.c. Thank you Yao Jiewen > -----Original Message----- > From: edk2-devel [mailto:[email protected]] On Behalf Of Jason > Dickens > Sent: Friday, June 30, 2017 12:13 AM > To: [email protected] > Subject: [edk2] TCG2 Physical Presence Support in OVMF > > All, > I'm working with a secure boot enabled OVMF build of EDK II and Xen and > have questions about TCG2 support, both status in general and specific > questions below. > > I'm trying to get the TCG Physical Presence protocol to work or at least > understand more about why it can't in my case. > > Specifically, I have found a key function in > DxeTcg2PhysicalPresenceLib.c called > Tcg2PhysicalPresenceLibProcessRequest. This appears to be the method > that gets user confirmation and then performs the requested operations > after a reboot? However, I cannot determine where this function is > called? If it is currently dead code then I would like to know where it > should be called and why its not connected in? > > BTW: I understand that on Xen i'm also going to have issues with the SMM > piece due to q35 and SMRAM problems, but independent of the Xen issues, > I would like a clear picture of the current limitations in OVMF > regarding TPM 2.0 operation? Are there functions needing implementation, > that I could also contribute to? > > Any help would be appreciated. > > Thanks, > Jason > _______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
