OrgACRN
/
slimbootloader
mirror of https://github.com/slimbootloader/slimbootloader.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Update TPM Type to Loader Platform info HOB 

TPM type as dTPM and fTPM is utilized in UEFI payload to
update TPM instance

Signed-off-by: Subash Lakkimsetti <subashx.lakkimsetti@intel.com>
This commit is contained in:
lsubash 2019-07-30 16:42:24 -07:00 committed by Maurice Ma
parent c1117a2be5
commit 8b00a77adb
2 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
BootloaderCommonPkg/Include/Guid/LoaderPlatformInfoGuid.h
View File

@ -45,6 +45,12 @@ extern EFI_GUID gLoaderPlatformInfoGuid;
//Secure debug (0 - disabled, 1 - enabled)
#define HWSTATE_SECURE_DEBUG BIT3
//Tpm Type dTPM 2.0 (0 - Not Availble, 1 - detected)
#define HWSTATE_DTPM_20 BIT4
//Tpm Type TPM 2.0 PTT (0 - Not Availble, 1 - detected)
#define HWSTATE_TPM_PTT BIT5
//Definition for LOADER_PLATFORM_INFO.Flags
//

7
Platform/CoffeelakeBoardPkg/Library/Stage2BoardInitLib/Stage2BoardInitLib.c
View File

@ -1787,9 +1787,14 @@ UpdateLoaderPlatformInfo (
if(PlatformData != NULL) {
LoaderPlatformInfo->HwState = PlatformData->BtGuardInfo.VerifiedBoot | (PlatformData->BtGuardInfo.MeasuredBoot << 1);
LoaderPlatformInfo->Flags = FLAGS_SPI_DISABLE_SMM_WRITE_PROTECT;
if (PlatformData->BtGuardInfo.TpmType == dTpm20)
LoaderPlatformInfo->HwState |= HWSTATE_DTPM_20;
else if (PlatformData->BtGuardInfo.TpmType == Ptt)
LoaderPlatformInfo->HwState |= HWSTATE_TPM_PTT;
DEBUG ((EFI_D_INFO, "Stage2: HwState 0x%x\n", LoaderPlatformInfo->HwState));
}
}
/**