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e1f414b6 1/** @file\r
2 AsmWriteGdtr function\r
3\r
bb817c56 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
9344f092 5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
e1f414b6 6\r
7**/\r
8\r
1efcc4ae 9\r
47fc17d8 10#include "BaseLibInternals.h"\r
f734a10a 11\r
e1f414b6 12\r
42eedea9 13/**\r
14 Writes the current Global Descriptor Table Register (GDTR) descriptor.\r
15\r
16 Writes and the current GDTR descriptor specified by Gdtr. This function is\r
030cd1a2 17 only available on IA-32 and x64.\r
42eedea9 18\r
2fc59a00 19 @param Gdtr The pointer to a GDTR descriptor.\r
42eedea9 20\r
21**/\r
e1f414b6 22VOID\r
23EFIAPI\r
24InternalX86WriteGdtr (\r
25 IN CONST IA32_DESCRIPTOR *Gdtr\r
26 )\r
27{\r
28 _asm {\r
29 mov eax, Gdtr\r
30 lgdt fword ptr [eax]\r
31 }\r
32}\r
33\r