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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5567 6f19259b-4bc3-4df7-8a09-765794883524
41 lines
921 B
C
41 lines
921 B
C
/** @file
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AsmReadFs function
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Copyright (c) 2006 - 2007, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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//
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// Include common header file for this module.
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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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