| /** @file | |
| AsmReadIdtr function | |
| Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #include "BaseLibInternals.h" | |
| /** | |
| Reads the current Interrupt Descriptor Table Register(GDTR) descriptor. | |
| Reads and returns 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 | |
| InternalX86ReadIdtr ( | |
| OUT IA32_DESCRIPTOR *Idtr | |
| ) | |
| { | |
| _asm { | |
| mov eax, Idtr | |
| sidt fword ptr [eax] | |
| } | |
| } |