[mirror_edk2.git] / MdePkg / Library / BaseCpuLib / Ia32 / CpuFlushTlb.nasm

;------------------------------------------------------------------------------ ;\r
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
; Module Name:\r
;\r
;   CpuFlushTlb.Asm\r
;\r
; Abstract:\r
;\r
;   CpuFlushTlb function\r
;\r
; Notes:\r
;\r
;------------------------------------------------------------------------------\r
\r
    SECTION .text\r
\r
;------------------------------------------------------------------------------\r
; VOID\r
; EFIAPI\r
; CpuFlushTlb (\r
;   VOID\r
;   );\r
;------------------------------------------------------------------------------\r
global ASM_PFX(CpuFlushTlb)\r
ASM_PFX(CpuFlushTlb):\r
    mov     eax, cr3\r
    mov     cr3, eax                    ; moving to CR3 flushes TLB\r
    ret\r
\r
Commit	Line	Data
68562b45 JJ	1	;------------------------------------------------------------------------------ ;\r
68562b45 JJ	2	; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
9344f092	3	; SPDX-License-Identifier: BSD-2-Clause-Patent\r
68562b45 JJ	4	;\r
	5	; Module Name:\r
	6	;\r
	7	; CpuFlushTlb.Asm\r
	8	;\r
	9	; Abstract:\r
	10	;\r
	11	; CpuFlushTlb function\r
	12	;\r
	13	; Notes:\r
	14	;\r
	15	;------------------------------------------------------------------------------\r
	16	\r
	17	SECTION .text\r
	18	\r
	19	;------------------------------------------------------------------------------\r
	20	; VOID\r
	21	; EFIAPI\r
	22	; CpuFlushTlb (\r
	23	; VOID\r
	24	; );\r
	25	;------------------------------------------------------------------------------\r
	26	global ASM_PFX(CpuFlushTlb)\r
	27	ASM_PFX(CpuFlushTlb):\r
	28	mov eax, cr3\r
	29	mov cr3, eax ; moving to CR3 flushes TLB\r
	30	ret\r
	31	\r