diff options
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c | 10 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.inf | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c index 3569306..325f24e 100644 --- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c +++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c @@ -499,6 +499,16 @@ PublishTpm2 ( DEBUG((DEBUG_INFO, "Tpm2 ACPI table revision is %d\n", mTpm2AcpiTemplate.Header.Revision));
//
+ // PlatformClass is only valid for version 4 and above
+ // BIT0~15: PlatformClass
+ // BIT16~31: Reserved
+ //
+ if (mTpm2AcpiTemplate.Header.Revision >= EFI_TPM2_ACPI_TABLE_REVISION_4) {
+ mTpm2AcpiTemplate.Flags = (mTpm2AcpiTemplate.Flags & 0xFFFF0000) | PcdGet8(PcdTpmPlatformClass);
+ DEBUG((DEBUG_INFO, "Tpm2 ACPI table PlatformClass is %d\n", (mTpm2AcpiTemplate.Flags & 0x0000FFFF)));
+ }
+
+ //
// Measure to PCR[0] with event EV_POST_CODE ACPI DATA
//
TpmMeasureAndLogData(
diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.inf b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.inf index 2793242..7018474 100644 --- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.inf +++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.inf @@ -74,6 +74,7 @@ gEfiSecurityPkgTokenSpaceGuid.PcdTpmBaseAddress ## CONSUMES
gEfiSecurityPkgTokenSpaceGuid.PcdTcgPhysicalPresenceInterfaceVer ## CONSUMES
gEfiSecurityPkgTokenSpaceGuid.PcdTpm2AcpiTableRev ## CONSUMES
+ gEfiSecurityPkgTokenSpaceGuid.PcdTpmPlatformClass ## SOMETIMES_CONSUMES
[Depex]
gEfiAcpiTableProtocolGuid AND
|