SecurityPkg/Tcg2Config: remove TPM2_ChangEPS if it is not supported.

[mirror_edk2.git] / SecurityPkg / Tcg / Tcg2Config / Tcg2ConfigImpl.c

diff --git a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
index baa8fcd08d89a0819fe24c73873bbf4f0c5fa58b..2946f95db0410855895d2aa1f8c315ea07d3757c 100644 (file)
--- a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
+++ b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
@@ -788,6 +788,7 @@ InstallTcg2ConfigForm (
   CHAR16                          TempBuffer[1024];\r
   TCG2_CONFIGURATION_INFO         Tcg2ConfigInfo;\r
   TPM2_PTP_INTERFACE_TYPE         TpmDeviceInterfaceDetected;\r
+  BOOLEAN                         IsCmdImp = FALSE;\r
 \r
   DriverHandle = NULL;\r
   ConfigAccess = &PrivateData->ConfigAccess;\r
@@ -870,6 +871,12 @@ InstallTcg2ConfigForm (
     HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_SUPPORTED_HASH_ALGO_CONTENT), TempBuffer, NULL);\r
   }\r
 \r
+  Status = Tpm2GetCapabilityIsCommandImplemented (TPM_CC_ChangeEPS, &IsCmdImp);\r
+  if (EFI_ERROR (Status)) {\r
+    DEBUG ((DEBUG_ERROR, "Tpm2GetCapabilityIsCmdImpl fails %r\n", Status));\r
+  }\r
+  Tcg2ConfigInfo.ChangeEPSSupported = IsCmdImp;\r
+\r
   FillBufferWithBootHashAlg (TempBuffer, sizeof(TempBuffer), PcdGet32 (PcdTcg2HashAlgorithmBitmap));\r
   HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_BIOS_HASH_ALGO_CONTENT), TempBuffer, NULL);\r
 \r