1;------------------------------------------------------------------------------ 2; 3; CpuSleep() for ARMv7 4; 5; ARMv6 versions was: 6; MOV r0,#0 7; MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction 8; 9; But this is a no-op on ARMv7 10; 11; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> 12; Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR> 13; This program and the accompanying materials 14; are licensed and made available under the terms and conditions of the BSD License 15; which accompanies this distribution. The full text of the license may be found at 16; http://opensource.org/licenses/bsd-license.php. 17; 18; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 19; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 20; 21;------------------------------------------------------------------------------ 22 23 EXPORT CpuSleep 24 AREA cpu_sleep, CODE, READONLY 25 26;/** 27; Places the CPU in a sleep state until an interrupt is received. 28; 29; Places the CPU in a sleep state until an interrupt is received. If interrupts 30; are disabled prior to calling this function, then the CPU will be placed in a 31; sleep state indefinitely. 32; 33;**/ 34;VOID 35;EFIAPI 36;CpuSleep ( 37; VOID 38; ); 39; 40CpuSleep 41 WFI 42 BX LR 43 44 END 45