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-rw-r--r--MdePkg/Library/BaseLib/BaseLib.inf1
-rw-r--r--MdePkg/Library/BaseLib/Ia32/WriteLdtr.nasm38
2 files changed, 39 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index fa3703287c..ea35a1af64 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -183,6 +183,7 @@
Ia32/WriteMm1.asm | INTEL
Ia32/WriteMm0.nasm| INTEL
Ia32/WriteMm0.asm | INTEL
+ Ia32/WriteLdtr.nasm| INTEL
Ia32/WriteLdtr.asm | INTEL
Ia32/WriteIdtr.asm | INTEL
Ia32/WriteGdtr.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteLdtr.nasm b/MdePkg/Library/BaseLib/Ia32/WriteLdtr.nasm
new file mode 100644
index 0000000000..40fbbad767
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/WriteLdtr.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:
+;
+; WriteLdtr.Asm
+;
+; Abstract:
+;
+; AsmWriteLdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmWriteLdtr (
+; IN UINT16 Ldtr
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(_AsmWriteLdtr)
+ASM_PFX(_AsmWriteLdtr):
+ mov eax, [esp + 4]
+ lldt ax
+ ret
+