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 GetInterruptState(VOID)31GetInterruptState ( 32 VOID 33 ) 34 { 35 IA32_EFLAGS32 EFlags; 36 37 EFlags.UintN = AsmReadEflags (); 38 return (BOOLEAN)(1 == EFlags.Bits.IF); 39 } 40 41 42