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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2922 6f19259b-4bc3-4df7-8a09-765794883524
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/** @file
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IA-32/x64 GetInterruptState()
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Copyright (c) 2006, 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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Module Name: x86GetInterruptState.c
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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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#include <BaseLibInternals.h>
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/**
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Retrieves the current CPU interrupt state.
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Retrieves the current CPU interrupt state. Returns TRUE is interrupts are
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currently enabled. Otherwise returns FALSE.
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@retval TRUE CPU interrupts are enabled.
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@retval FALSE CPU interrupts are disabled.
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**/
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BOOLEAN
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EFIAPI
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GetInterruptState (
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VOID
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)
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{
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IA32_EFLAGS32 EFlags;
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EFlags.UintN = AsmReadEflags ();
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return (BOOLEAN)(EFlags.Bits.IF == 1);
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}
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