;------------------------------------------------------------------------------ ; ; 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.
; Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.
; 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