1 /** @file 2 AsmWriteLdtr function 3 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 16 17 18 /** 19 Writes the current Local Descriptor Table Register (GDTR) selector. 20 21 Writes and the current LDTR descriptor specified by Ldtr. This function is 22 only available on IA-32 and x64. 23 24 @param Ldtr 16-bit LDTR selector value. 25 26 **/ 27 VOID 28 EFIAPI 29 AsmWriteLdtr ( 30 IN UINT16 Ldtr 31 ) 32 { 33 _asm { 34 xor eax, eax 35 mov ax, Ldtr 36 lldt ax 37 } 38 } 39 40
