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34 lines
622 B
C
34 lines
622 B
C
/** @file
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AsmWriteGdtr function
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "BaseLibInternals.h"
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/**
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Writes the current Global Descriptor Table Register (GDTR) descriptor.
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Writes and the current GDTR descriptor specified by Gdtr. This function is
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only available on IA-32 and x64.
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@param Gdtr The pointer to a GDTR descriptor.
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**/
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VOID
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EFIAPI
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InternalX86WriteGdtr (
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IN CONST IA32_DESCRIPTOR *Gdtr
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)
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{
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_asm {
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mov eax, Gdtr
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lgdt fword ptr [eax]
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}
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}
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