;------------------------------------------------------------------------------ ; ; GetInterruptState() function for ARM ; ; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> ; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> ; This program and the accompanying materials ; are licensed and made available under the terms and conditions of the BSD License ; which accompanies this distribution. The full text of the license may be found at ; http://opensource.org/licenses/bsd-license.php. ; ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. ; ;------------------------------------------------------------------------------ EXPORT GetInterruptState AREA Interrupt_enable, CODE, READONLY ;/** ; Retrieves the current CPU interrupt state. ; ; Returns TRUE is interrupts are currently enabled. Otherwise ; returns FALSE. ; ; @retval TRUE CPU interrupts are enabled. ; @retval FALSE CPU interrupts are disabled. ; ;**/ ; ;BOOLEAN ;EFIAPI ;GetInterruptState ( ; VOID ; ); ; GetInterruptState MRS R0, CPSR TST R0, #0x80 ;Check if IRQ is enabled. MOVEQ R0, #1 MOVNE R0, #0 BX LR END