mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
38 lines
948 B
ArmAsm
38 lines
948 B
ArmAsm
|
#------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# 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 - 2009, Apple Inc. All rights reserved.<BR>
|
||
|
|
# 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
|