1 files changed, 46 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c
new file mode 100644
index 00000000..67f2a85e
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c
@@ -0,0 +1,46 @@
+/** @file
+  Null instance of SmmCorePlatformHookLibNull.
+
+  Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/SmmCorePlatformHookLib.h>
+
+/**
+  Performs platform specific tasks before invoking registered SMI handlers.
+
+  This function performs platform specific tasks before invoking registered SMI handlers.
+
+  @retval EFI_SUCCESS       The platform hook completes successfully.
+  @retval Other values      The paltform hook cannot complete due to some error.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformHookBeforeSmmDispatch (
+  VOID
+  )
+{
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Performs platform specific tasks after invoking registered SMI handlers.
+
+  This function performs platform specific tasks after invoking registered SMI handlers.
+
+  @retval EFI_SUCCESS       The platform hook completes successfully.
+  @retval Other values      The paltform hook cannot complete due to some error.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformHookAfterSmmDispatch (
+  VOID
+  )
+{
+  return EFI_SUCCESS;
+}