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e1f414b6 1/** @file\r
2 AsmWriteLdtr function\r
3\r
4 Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15//\r
16// Include common header file for this module.\r
17//\r
f734a10a 18\r
e1f414b6 19\r
42eedea9 20/**\r
21 Writes the current Local Descriptor Table Register (GDTR) selector.\r
22\r
23 Writes and the current LDTR descriptor specified by Ldtr. This function is\r
24 only available on IA-32 and X64.\r
25\r
26 @param Ldtr 16-bit LDTR selector value.\r
27\r
28**/\r
e1f414b6 29VOID\r
30EFIAPI\r
31AsmWriteLdtr (\r
32 IN UINT16 Ldtr\r
33 )\r
34{\r
35 _asm {\r
36 xor eax, eax\r
37 mov ax, Ldtr\r
38 lldt ax\r
39 }\r
40}\r
41\r