1 files changed, 28 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/ReadCs.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/ReadCs.c
new file mode 100644
index 0000000000..9a1c2fd10d
--- /dev/null
+++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/ReadCs.c
@@ -0,0 +1,28 @@
+/**
+  AsmReadCs function
+
+  Copyright (c) 2006 - 2007, Intel Corporation
+  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 "BaseLibInternals.h"
+
+UINT16
+EFIAPI
+AsmReadCs (
+  VOID
+  )
+{
+  __asm {
+    xor     eax, eax
+    mov     ax, cs
+  }
+}
+