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;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; Module Name:
;
; SetMem16.asm
;
; Abstract:
;
; SetMem16 function
;
; Notes:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemSetMem16 (
; OUT VOID *Buffer,
; IN UINTN Length,
; IN UINT16 Value
; );
;------------------------------------------------------------------------------
InternalMemSetMem16 PROC USES rdi
mov rax, r8
DB 48h, 0fh, 6eh, 0c0h ; movd mm0, rax
mov r8, rcx
mov rdi, r8
mov rcx, rdx
and edx, 3
shr rcx, 2
jz @SetWords
DB 0fh, 70h, 0C0h, 00h ; pshufw mm0, mm0, 0h
@@:
DB 0fh, 0e7h, 07h ; movntq [rdi], mm0
add rdi, 8
loop @B
mfence
@SetWords:
mov ecx, edx
rep stosw
mov rax, r8
ret
InternalMemSetMem16 ENDP
END
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