1 files changed, 43 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/x86ReadGdtr.c b/MdePkg/Library/BaseLib/x86ReadGdtr.c
new file mode 100644
index 0000000000..c1b75d1397
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x86ReadGdtr.c
@@ -0,0 +1,43 @@
+/** @file
+  IA-32/x64 AsmReadGdtr()
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+  Module Name:  x86ReadGdtr.c
+
+**/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include "BaseLibInternals.h"
+
+/**
+  Reads the current Global Descriptor Table Register(GDTR) descriptor.
+
+  Reads and returns the current GDTR descriptor and returns it in Gdtr. This
+  function is only available on IA-32 and X64.
+
+  If Gdtr is NULL, then ASSERT().
+
+  @param  Gdtr  Pointer to a GDTR descriptor.
+
+**/
+VOID
+EFIAPI
+AsmReadGdtr (
+  OUT     IA32_DESCRIPTOR           *Gdtr
+  )
+{
+  ASSERT (Gdtr != NULL);
+  InternalX86ReadGdtr (Gdtr);
+}