;------------------------------------------------------------------------------ | |
; | |
; CpuSleep() for ARMv7 | |
; | |
; ARMv6 versions was: | |
; MOV r0,#0 | |
; MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction | |
; | |
; But this is a no-op on ARMv7 | |
; | |
; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> | |
; Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR> | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
;------------------------------------------------------------------------------ | |
EXPORT CpuSleep | |
AREA cpu_sleep, CODE, READONLY | |
;/** | |
; Places the CPU in a sleep state until an interrupt is received. | |
; | |
; Places the CPU in a sleep state until an interrupt is received. If interrupts | |
; are disabled prior to calling this function, then the CPU will be placed in a | |
; sleep state indefinitely. | |
; | |
;**/ | |
;VOID | |
;EFIAPI | |
;CpuSleep ( | |
; VOID | |
; ); | |
; | |
CpuSleep | |
WFI | |
BX LR | |
END |