diff options
| author | Zhang, Chao B <chao.b.zhang@intel.com> | 2017-01-12 10:42:29 +0800 |
|---|---|---|
| committer | Zhang, Chao B <chao.b.zhang@intel.com> | 2017-01-12 12:28:52 +0800 |
| commit | bf3b7aae7100b60ff8a387f0b7604dbb6ff29fc9 (patch) | |
| tree | a3510e0887e124d2c79b78075f7bfcbc24c038be /SecurityPkg | |
| parent | 713e4b007cb791829397522ad8f366dd1e08bee6 (diff) | |
| download | edk2-bf3b7aae7100b60ff8a387f0b7604dbb6ff29fc9.tar.gz edk2-bf3b7aae7100b60ff8a387f0b7604dbb6ff29fc9.tar.bz2 edk2-bf3b7aae7100b60ff8a387f0b7604dbb6ff29fc9.zip | |
SecuritPkg: Tcg2Smm: Add PlatformClass to TPM2 Table
Add PlatformClass info into TPM2 ACPI table, it is only valid with table
Rev 4 and later.
Cc: Star Zeng <star.zeng@intel.com>
Cc: Yao Jiewen <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
Diffstat (limited to 'SecurityPkg')
| -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 0c3b19ca74..5a1fd3e363 100644 --- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c +++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c @@ -513,6 +513,16 @@ 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 27932427a2..70184740c4 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
|