1;------------------------------------------------------------------------------
2;
3; DisableInterrupts() for ARM
4;
5; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
6; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
7; This program and the accompanying materials
8; are licensed and made available under the terms and conditions of the BSD License
9; which accompanies this distribution.  The full text of the license may be found at
10; http://opensource.org/licenses/bsd-license.php.
11;
12; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14;
15;------------------------------------------------------------------------------
16
17    EXPORT DisableInterrupts
18
19    AREA Interrupt_disable, CODE, READONLY
20
21;/**
22;  Disables CPU interrupts.
23;
24;**/
25;VOID
26;EFIAPI
27;DisableInterrupts (
28;  VOID
29;  );
30;
31DisableInterrupts
32    MRS     R0,CPSR
33    ORR     R0,R0,#0x80             ;Disable IRQ interrupts
34    MSR     CPSR_c,R0
35    BX      LR
36
37    END
38