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34 lines
617 B
C
34 lines
617 B
C
/** @file
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AsmReadGdtr 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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Reads the current Global Descriptor Table Register(GDTR) descriptor.
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Reads and returns the current GDTR descriptor and returns it in Gdtr. This
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function is 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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InternalX86ReadGdtr (
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OUT 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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sgdt fword ptr [eax]
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}
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}
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