| /** @file | |
| AsmWriteIdtr function | |
| Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #include "BaseLibInternals.h" | |
| /** | |
| Writes the current Interrupt Descriptor Table Register(GDTR) descriptor. | |
| Writes the current IDTR descriptor and returns it in Idtr. This function is | |
| only available on IA-32 and x64. | |
| @param Idtr The pointer to a IDTR descriptor. | |
| **/ | |
| VOID | |
| EFIAPI | |
| InternalX86WriteIdtr ( | |
| IN CONST IA32_DESCRIPTOR *Idtr | |
| ) | |
| { | |
| _asm { | |
| mov eax, Idtr | |
| pushfd | |
| cli | |
| lidt fword ptr [eax] | |
| popfd | |
| } | |
| } |