| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame^] | 1 | /** @file
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| 2 | IA-32/x64 GetInterruptState()
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| 3 |
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| 4 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php.
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 |
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| 16 | #include "BaseLibInternals.h"
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| 17 |
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| 18 |
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| 19 | /**
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| 20 | Retrieves the current CPU interrupt state.
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| 21 |
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| 22 | Returns TRUE is interrupts are currently enabled. Otherwise
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| 23 | returns FALSE.
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| 24 |
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| 25 | @retval TRUE CPU interrupts are enabled.
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| 26 | @retval FALSE CPU interrupts are disabled.
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| 27 |
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| 28 | **/
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| 29 | BOOLEAN
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| 30 | EFIAPI
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| 31 | GetInterruptState (
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| 32 | VOID
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| 33 | )
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| 34 | {
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| 35 | IA32_EFLAGS32 EFlags;
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| 36 |
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| 37 | EFlags.UintN = AsmReadEflags ();
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| 38 | return (BOOLEAN)(1 == EFlags.Bits.IF);
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| 39 | }
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| 40 |
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| 41 |
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