Hi, Modifying the bootloader and defining an interface could take a while and requires to add code that's already present in EDK2. Would it be possible to move the Tcg*Pei code to a Library, so that it could be directly used by BlSupportDxe in order to set the PCDs?
Kind Regards, Patrick Rudolph On Wed, Jan 27, 2021 at 5:10 PM Dong, Guo <guo.d...@intel.com> wrote: > > > Hi Patrick, > Bootloader (coreboot or Slim Bootloader) is similar with EDKII PEI, so > measured boot should > work without PEI phase in UEFI payload. > In general, bootloader need pass required information to UEFI payload. > BlSupportDxe could get these information and set required PCDs. > > We need well define the interface with bootloader on how to support measured > boot, > Also including measured boot enable/disable, TPM log event, etc. > > Thanks, > Guo > > -----Original Message----- > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Patrick > > Rudolph > > Sent: Tuesday, January 26, 2021 8:21 > > To: Dong, Guo <guo.d...@intel.com> > > Cc: You, Benjamin <benjamin....@intel.com>; devel@edk2.groups.io; Ma, > > Maurice <maurice...@intel.com> > > Subject: Re: [edk2-devel] [PATCH V2 1/1] UefiPayloadPkg: Remove PEI phase > > from Payload > > > > Hi, > > I'm trying to rebase my TPM support patches for UefiPayloadPkg on top of > > master. > > > > The Tcg*Dxe needs the following PCDs set by their Tcg*Pei counterparts: > > * PcdTpm2HashMask > > * PcdTcg2HashAlgorithmBitmap > > * PcdTpmInstanceGuid > > > > As there's no PEI stage any more, how do you plan to support TPMs in > > UefiPayloadPkg? > > > > Kind Regards, > > Patrick Rudolph > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#70843): https://edk2.groups.io/g/devel/message/70843 Mute This Topic: https://groups.io/mt/78282656/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
