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990e25aa 1;------------------------------------------------------------------------------ \r
2;\r
3; CpuSleep() for ARM\r
4;\r
de2d3419
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
990e25aa 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
10; http://opensource.org/licenses/bsd-license.php\r
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 EXPORT CpuSleep\r
18 AREA cpu_sleep, CODE, READONLY\r
19\r
20;/**\r
21; Places the CPU in a sleep state until an interrupt is received.\r
22;\r
23; Places the CPU in a sleep state until an interrupt is received. If interrupts\r
24; are disabled prior to calling this function, then the CPU will be placed in a\r
25; sleep state indefinitely.\r
26;\r
27;**/\r
28;VOID\r
29;EFIAPI\r
30;CpuSleep (\r
31; VOID\r
32; );\r
33;\r
34CpuSleep\r
35 MOV r0,#0\r
36 MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction\r
37 BX LR\r
38\r
39 END\r