;------------------------------------------------------------------------------ ; ; Copyright (c) 2006, Intel Corporation ; All rights reserved. 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: ; ; SetMem64.asm ; ; Abstract: ; ; SetMem64 function ; ; Notes: ; ;------------------------------------------------------------------------------ .code ;------------------------------------------------------------------------------ ; VOID * ; InternalMemSetMem64 ( ; IN VOID *Buffer, ; IN UINTN Count, ; IN UINT64 Value ; ) ;------------------------------------------------------------------------------ InternalMemSetMem64 PROC DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value) mov rax, rcx ; rax <- Buffer xchg rcx, rdx ; rcx <- Count @@: DB 0fh, 0e7h, 02h ; movntq [rdx], mm0 add rdx, 8 loop @B mfence ret InternalMemSetMem64 ENDP END