2 files changed, 40 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 561bd27746..c8bd5344ce 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -505,6 +505,7 @@
   X64/ReadMm1.asm | MSFT
   X64/ReadMm0.nasm| MSFT
   X64/ReadMm0.asm | MSFT
+  X64/FxRestore.nasm| MSFT
   X64/FxRestore.asm | MSFT
   X64/FxSave.asm | MSFT
   X64/WriteLdtr.asm | MSFT
@@ -607,6 +608,7 @@
   X64/ReadMm1.asm | INTEL
   X64/ReadMm0.nasm| INTEL
   X64/ReadMm0.asm | INTEL
+  X64/FxRestore.nasm| INTEL
   X64/FxRestore.asm | INTEL
   X64/FxSave.asm | INTEL
   X64/WriteLdtr.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/X64/FxRestore.nasm b/MdePkg/Library/BaseLib/X64/FxRestore.nasm
new file mode 100644
index 0000000000..0a86ec9a11
--- /dev/null
+++ b/MdePkg/Library/BaseLib/X64/FxRestore.nasm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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.
+;
+; Module Name:
+;
+;   FxRestore.Asm
+;
+; Abstract:
+;
+;   AsmFxRestore function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalX86FxRestore (
+;   IN CONST IA32_FX_BUFFER *Buffer
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalX86FxRestore)
+ASM_PFX(InternalX86FxRestore):
+    fxrstor [rcx]
+    ret
+