1 files changed, 39 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/X86ReadIdtr.c b/Core/MdePkg/Library/BaseLib/X86ReadIdtr.c
new file mode 100644
index 0000000000..392b6e3400
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/X86ReadIdtr.c
@@ -0,0 +1,39 @@
+/** @file
+  IA-32/x64 AsmReadIdtr()
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  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 "BaseLibInternals.h"
+
+/**
+  Reads the current Interrupt Descriptor Table Register(IDTR) descriptor.
+
+  Reads and returns the current IDTR descriptor and returns it in Idtr. This
+  function is only available on IA-32 and x64.
+
+  If Idtr is NULL, then ASSERT().
+
+  @param  Idtr  The pointer to a IDTR descriptor.
+
+**/
+VOID
+EFIAPI
+AsmReadIdtr (
+  OUT     IA32_DESCRIPTOR           *Idtr
+  )
+{
+  ASSERT (Idtr != NULL);
+  InternalX86ReadIdtr (Idtr);
+}