1 files changed, 31 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c
new file mode 100644
index 0000000000..f6422412c0
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c
@@ -0,0 +1,31 @@
+/** @file
+  AsmWriteIdtr function
+
+  Copyright (c) 2006 - 2007, 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.
+
+**/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+VOID
+EFIAPI
+InternalX86WriteIdtr (
+  IN      CONST IA32_DESCRIPTOR     *Idtr
+  )
+{
+  _asm {
+    mov     eax, Idtr
+    lidt    fword ptr [eax]
+  }
+}
+