[mirror_edk2.git] / MdePkg / Library / BaseCpuLib / Arm / CpuFlushTlb.S

#------------------------------------------------------------------------------\r
#\r
# CpuFlushTlb() for ARM\r
#\r
# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
# SPDX-License-Identifier: BSD-2-Clause-Patent\r
#\r
#------------------------------------------------------------------------------\r
\r
.text\r
.p2align 2\r
GCC_ASM_EXPORT(CpuFlushTlb)\r
\r
#/**\r
#  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
#\r
#  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
#\r
#**/\r
#VOID\r
#EFIAPI\r
#CpuFlushTlb (\r
#  VOID\r
#  )#\r
#\r
ASM_PFX(CpuFlushTlb):\r
    mov r0,#0\r
    mcr p15,0,r0,c8,c5,0        // Invalidate all the unlocked entried in TLB\r
    bx  LR\r
Commit	Line	Data
9095d37b	1	#------------------------------------------------------------------------------\r
990e25aa	2	#\r
	3	# CpuFlushTlb() for ARM\r
	4	#\r
9095d37b	5	# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
de2d3419	6	# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
9344f092	7	# SPDX-License-Identifier: BSD-2-Clause-Patent\r
990e25aa	8	#\r
	9	#------------------------------------------------------------------------------\r
	10	\r
	11	.text\r
	12	.p2align 2\r
4c8a6e06	13	GCC_ASM_EXPORT(CpuFlushTlb)\r
990e25aa	14	\r
	15	#/**\r
	16	# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
	17	#\r
	18	# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
	19	#\r
	20	#**/\r
	21	#VOID\r
	22	#EFIAPI\r
	23	#CpuFlushTlb (\r
	24	# VOID\r
	25	# )#\r
	26	#\r
	27	ASM_PFX(CpuFlushTlb):\r
	28	mov r0,#0\r
2bd1edf4	29	mcr p15,0,r0,c8,c5,0 // Invalidate all the unlocked entried in TLB\r
990e25aa	30	bx LR\r