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

;------------------------------------------------------------------------------\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
  EXPORT CpuFlushTlb\r
  AREA cpu_flush_tlb, CODE, READONLY\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
CpuFlushTlb\r
    MOV r0,#0\r
    MCR p15,0,r0,c8,c5,0        ;Invalidate all the unlocked entried in TLB\r
    BX LR\r
\r
  END\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	EXPORT CpuFlushTlb\r
	12	AREA cpu_flush_tlb, CODE, READONLY\r
	13	\r
	14	;/**\r
	15	; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
	16	;\r
	17	; Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.\r
	18	;\r
	19	;**/\r
	20	;VOID\r
	21	;EFIAPI\r
	22	;CpuFlushTlb (\r
	23	; VOID\r
	24	; );\r
	25	;\r
9095d37b	26	CpuFlushTlb\r
990e25aa	27	MOV r0,#0\r
	28	MCR p15,0,r0,c8,c5,0 ;Invalidate all the unlocked entried in TLB\r
	29	BX LR\r
	30	\r
	31	END\r