;------------------------------------------------------------------------------ ; ; 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