Fixed the issue in ExitBootServices() implementation to avoid the potential boot...

[mirror_edk2.git] / MdeModulePkg / Core / Dxe / DxeMain / DxeMain.c

diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
index ed5a3c9e177a66d744c1fac4728b49bd5a70b0c3..d8c7cd02491cfcd6a715dcbd1ef01a72c4c26a14 100644 (file)
--- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
+++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
@@ -1,7 +1,7 @@
 /** @file\r
   DXE Core Main Entry Point\r
 \r
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -242,11 +242,21 @@ DxeMain (
   EFI_PHYSICAL_ADDRESS          MemoryBaseAddress;\r
   UINT64                        MemoryLength;\r
   PE_COFF_LOADER_IMAGE_CONTEXT  ImageContext;\r
+  UINTN                         Index;\r
+  EFI_HOB_GUID_TYPE             *GuidHob;\r
+  EFI_VECTOR_HANDOFF_INFO       *VectorInfoList;\r
+  EFI_VECTOR_HANDOFF_INFO       *VectorInfo;\r
 \r
   //\r
   // Setup the default exception handlers\r
   //\r
-  SetupCpuExceptionHandlers ();\r
+  VectorInfoList = NULL;\r
+  GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);\r
+  if (GuidHob != NULL) {\r
+    VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));\r
+  }\r
+  Status = InitializeCpuExceptionHandlers (VectorInfoList);\r
+  ASSERT_EFI_ERROR (Status);\r
   \r
   //\r
   // Initialize Debug Agent to support source level debug in DXE phase\r
@@ -371,6 +381,24 @@ DxeMain (
   Status = CoreInitializeEventServices ();\r
   ASSERT_EFI_ERROR (Status);\r
 \r
+  //\r
+  // Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated,\r
+  // and install configuration table\r
+  //\r
+  GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);\r
+  if (GuidHob != NULL) {\r
+    VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));\r
+    VectorInfo = VectorInfoList;\r
+    Index = 1;\r
+    while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) {\r
+      VectorInfo ++;\r
+      Index ++;\r
+    }\r
+    VectorInfo = AllocateCopyPool (sizeof (EFI_VECTOR_HANDOFF_INFO) * Index, (VOID *) VectorInfoList);\r
+    ASSERT (VectorInfo != NULL);\r
+    Status = CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid, (VOID *) VectorInfo);\r
+    ASSERT_EFI_ERROR (Status);\r
+  }\r
 \r
   //\r
   // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs\r
@@ -713,6 +741,14 @@ CoreExitBootServices (
   //\r
   CoreNotifySignalList (&gEfiEventExitBootServicesGuid);\r
 \r
+  //\r
+  // Report that ExitBootServices() has been called\r
+  //\r
+  REPORT_STATUS_CODE (\r
+    EFI_PROGRESS_CODE,\r
+    (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)\r
+    );\r
+\r
   //\r
   // Disable interrupt of Debug timer.\r
   //\r
@@ -723,14 +759,6 @@ CoreExitBootServices (
   //\r
   gCpu->DisableInterrupt (gCpu);\r
 \r
-  //\r
-  // Report that ExitBootServices() has been called\r
-  //\r
-  REPORT_STATUS_CODE (\r
-    EFI_PROGRESS_CODE,\r
-    (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)\r
-    );\r
-\r
   //\r
   // Clear the non-runtime values of the EFI System Table\r
   //\r