audk/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S

39 lines
1.2 KiB
ArmAsm

#------------------------------------------------------------------------------
#
# CpuFlushTlb() for ARM
#
# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#------------------------------------------------------------------------------
.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):
tlbi vmalle1 // Invalidate Inst TLB and Data TLB
dsb sy
isb
ret