#------------------------------------------------------------------------------ # # 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 - 2009, Apple Inc. All rights reserved.
# SPDX-License-Identifier: BSD-2-Clause-Patent # #------------------------------------------------------------------------------ .text .p2align 2 GCC_ASM_EXPORT(CpuSleep) #/** # 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 # ); # ASM_PFX(CpuSleep): wfi bx lr