1. Add two performance measurement points for SMM performance measurement;

[mirror_edk2.git] / MdeModulePkg / Library / SmmCorePlatformHookLibNull / SmmCorePlatformHookLibNull.c

diff --git a/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c b/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c
new file mode 100644 (file)
index 0000000..ef38c8f
--- /dev/null
+++ b/MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.c
@@ -0,0 +1,52 @@
+/** @file\r
+  Null instance of SmmCorePlatformHookLibNull.\r
+\r
+  Copyright (c) 2011, 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
+  http://opensource.org/licenses/bsd-license.php\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Library/SmmCorePlatformHookLib.h>\r
+\r
+/**\r
+  Performs platform specific tasks before invoking registered SMI handlers.\r
+  \r
+  This function performs platform specific tasks before invoking registered SMI handlers.\r
+  \r
+  @retval EFI_SUCCESS       The platform hook completes successfully.\r
+  @retval Other values      The paltform hook cannot complete due to some error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformHookBeforeSmmDispatch (\r
+  VOID\r
+  )\r
+{\r
+  return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+  Performs platform specific tasks after invoking registered SMI handlers.\r
+  \r
+  This function performs platform specific tasks after invoking registered SMI handlers.\r
+  \r
+  @retval EFI_SUCCESS       The platform hook completes successfully.\r
+  @retval Other values      The paltform hook cannot complete due to some error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformHookAfterSmmDispatch (\r
+  VOID\r
+  )\r
+{\r
+  return EFI_SUCCESS;\r
+}\r