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33 lines
492 B
C
33 lines
492 B
C
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/** @file
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AsmReadFs 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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/**
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Reads the current value of FS Data Segment Register (FS).
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Reads and returns the current value of FS. This function is only available on
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IA-32 and x64.
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@return The current value of FS.
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**/
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UINT16
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EFIAPI
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AsmReadFs (
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VOID
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)
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{
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__asm {
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xor eax, eax
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mov ax, fs
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}
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}
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