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Without this fix, the "%r" format specifier prints eg. "0000001A" instead of "Securit...
[mirror_edk2.git] / MdePkg / Library / BaseLib / X86GetInterruptState.c
1 /** @file
2 IA-32/x64 GetInterruptState()
3
4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13 **/
14
15
16 #include "BaseLibInternals.h"
17
18
19 /**
20 Retrieves the current CPU interrupt state.
21
22 Returns TRUE is interrupts are currently enabled. Otherwise
23 returns FALSE.
24
25 @retval TRUE CPU interrupts are enabled.
26 @retval FALSE CPU interrupts are disabled.
27
28 **/
29 BOOLEAN
30 EFIAPI
31 GetInterruptState (
32 VOID
33 )
34 {
35 IA32_EFLAGS32 EFlags;
36
37 EFlags.UintN = AsmReadEflags ();
38 return (BOOLEAN)(1 == EFlags.Bits.IF);
39 }
40
41