1. BaseSmbusLib: Make SmbusReadDataByte() & SmbusWriteBlock() function well by re...

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / SetMem64.asm

;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006, Intel Corporation\r
; All rights reserved. This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution.  The full text of the license may be found at\r
; http://opensource.org/licenses/bsd-license.php\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;\r
; Module Name:\r
;\r
;   SetMem64.asm\r
;\r
; Abstract:\r
;\r
;   SetMem64 function\r
;\r
; Notes:\r
;\r
;------------------------------------------------------------------------------\r
\r
    .code\r
\r
InternalMemSetMem64 PROC    USES    rdi\r
    DB      49h, 0fh, 6eh, 0c0h;  movq    mm0, r8       ; mm0 <- Value\r
    mov     rax, rcx                                    ; rax <- Buffer\r
    xchg    rcx, rdx                                    ; rcx <- Count\r
    mov     rdi, rax\r
@@:\r
    DB      48h, 0fh, 0e7h, 07h;  movntq  [rdi], mm0\r
    add     rdi, 8\r
    loop    @B\r
    mfence\r
    ret\r
InternalMemSetMem64 ENDP\r
\r
    END\r