mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-28 17:08:18 +01:00
36 lines
655 B
C
36 lines
655 B
C
|
/** @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
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|