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-rw-r--r--MdePkg/Library/BaseLib/X64/ReadGs.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/ReadGs.S b/MdePkg/Library/BaseLib/X64/ReadGs.S
new file mode 100644
index 0000000000..f92776c35d
--- /dev/null
+++ b/MdePkg/Library/BaseLib/X64/ReadGs.S
@@ -0,0 +1,36 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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.
+#
+# Module Name:
+#
+# ReadGs.S
+#
+# Abstract:
+#
+# AsmReadGs function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+
+#------------------------------------------------------------------------------
+# UINT16
+# EFIAPI
+# AsmReadGs (
+# VOID
+# );
+#------------------------------------------------------------------------------
+.global _AsmReadGs;
+.align 16;
+_AsmReadGs:
+ mov %gs, %eax
+ ret