CloverBootloader/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S
2019-09-03 12:58:42 +03:00

31 lines
789 B
ArmAsm

#------------------------------------------------------------------------------
#
# CpuFlushTlb() for ARM
#
# 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(CpuFlushTlb)
#/**
# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
#
# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
#
#**/
#VOID
#EFIAPI
#CpuFlushTlb (
# VOID
# )#
#
ASM_PFX(CpuFlushTlb):
mov r0,#0
mcr p15,0,r0,c8,c5,0 // Invalidate all the unlocked entried in TLB
bx LR