[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / WriteCr4.nasm

;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
; Module Name:\r
;\r
;   WriteCr4.Asm\r
;\r
; Abstract:\r
;\r
;   AsmWriteCr4 function\r
;\r
; Notes:\r
;\r
;------------------------------------------------------------------------------\r
\r
    DEFAULT REL\r
    SECTION .text\r
\r
;------------------------------------------------------------------------------\r
; UINTN\r
; EFIAPI\r
; AsmWriteCr4 (\r
;   UINTN  Cr4\r
;   );\r
;------------------------------------------------------------------------------\r
global ASM_PFX(AsmWriteCr4)\r
ASM_PFX(AsmWriteCr4):\r
    mov     cr4, rcx\r
    mov     rax, rcx\r
    ret\r
\r
Commit	Line	Data
9f91893f JJ	1	;------------------------------------------------------------------------------\r
	2	;\r
	3	; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
9344f092	4	; SPDX-License-Identifier: BSD-2-Clause-Patent\r
9f91893f JJ	5	;\r
	6	; Module Name:\r
	7	;\r
	8	; WriteCr4.Asm\r
	9	;\r
	10	; Abstract:\r
	11	;\r
	12	; AsmWriteCr4 function\r
	13	;\r
	14	; Notes:\r
	15	;\r
	16	;------------------------------------------------------------------------------\r
	17	\r
	18	DEFAULT REL\r
	19	SECTION .text\r
	20	\r
	21	;------------------------------------------------------------------------------\r
	22	; UINTN\r
	23	; EFIAPI\r
	24	; AsmWriteCr4 (\r
	25	; UINTN Cr4\r
	26	; );\r
	27	;------------------------------------------------------------------------------\r
	28	global ASM_PFX(AsmWriteCr4)\r
	29	ASM_PFX(AsmWriteCr4):\r
	30	mov cr4, rcx\r
	31	mov rax, rcx\r
	32	ret\r
	33	\r