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ebd04fc2 | 1 | #------------------------------------------------------------------------------ \r |
2 | #\r | |
3 | # DisableInterrupts() for ARM\r | |
4 | #\r | |
bb817c56 HT |
5 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
6 | # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
7 | # This program and the accompanying materials\r | |
ebd04fc2 | 8 | # are licensed and made available under the terms and conditions of the BSD License\r |
9 | # which accompanies this distribution. The full text of the license may be found at\r | |
35a17154 | 10 | # http://opensource.org/licenses/bsd-license.php.\r |
ebd04fc2 | 11 | #\r |
12 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | #\r | |
15 | #------------------------------------------------------------------------------\r | |
16 | \r | |
17 | .text\r | |
18 | .p2align 2\r | |
4c8a6e06 | 19 | GCC_ASM_EXPORT(DisableInterrupts)\r |
ebd04fc2 | 20 | \r |
21 | #/**\r | |
22 | # Disables CPU interrupts.\r | |
23 | #\r | |
24 | #**/\r | |
25 | #VOID\r | |
26 | #EFIAPI\r | |
27 | #DisableInterrupts (\r | |
28 | # VOID\r | |
29 | # );\r | |
30 | #\r | |
31 | ASM_PFX(DisableInterrupts):\r | |
32 | mrs R0,CPSR\r | |
01a54966 | 33 | orr R0,R0,#0x80 @Disable IRQ interrupts\r |
ebd04fc2 | 34 | msr CPSR_c,R0\r |
35 | bx LR\r |