Add performance optimization for Tcg/TrEE.

[mirror_edk2.git] / SecurityPkg / Tcg / TcgPei / TcgPei.c

diff --git a/SecurityPkg/Tcg/TcgPei/TcgPei.c b/SecurityPkg/Tcg/TcgPei/TcgPei.c
index 466caf66c21282426c37cb83dfd6eabe298144b4..419eacf37d2ab29aefc7b8f8176a74f82579f9f4 100644 (file)
--- a/SecurityPkg/Tcg/TcgPei/TcgPei.c
+++ b/SecurityPkg/Tcg/TcgPei/TcgPei.c
@@ -752,6 +752,11 @@ PeimEntryMA (
     return EFI_UNSUPPORTED;\r
   }\r
 \r
+  if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {\r
+    DEBUG ((EFI_D_ERROR, "TPM error!\n"));\r
+    return EFI_DEVICE_ERROR;\r
+  }\r
+\r
   //\r
   // Initialize TPM device\r
   //\r
@@ -808,6 +813,14 @@ PeimEntryMA (
   }\r
 \r
 Done:\r
+  if (EFI_ERROR (Status)) {\r
+    DEBUG ((EFI_D_ERROR, "TPM error! Build Hob\n"));\r
+    BuildGuidHob (&gTpmErrorHobGuid,0);\r
+    REPORT_STATUS_CODE (\r
+      EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
+      (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)\r
+      );\r
+  }\r
   //\r
   // Always intall TpmInitializationDonePpi no matter success or fail.\r
   // Other driver can know TPM initialization state by TpmInitializedPpi.\r