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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10593 6f19259b-4bc3-4df7-8a09-765794883524
39 lines
869 B
C
39 lines
869 B
C
/** @file
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AsmReadEs function
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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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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Reads the current value of ES Data Segment Register (ES).
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Reads and returns the current value of ES. This function is only available on
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IA-32 and x64.
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@return The current value of ES.
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**/
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UINT16
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EFIAPI
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AsmReadEs (
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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, es
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}
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}
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