1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4 ; This program and the accompanying materials 5 ; are licensed and made available under the terms and conditions of the BSD License 6 ; which accompanies this distribution. The full text of the license may be found at 7 ; http://opensource.org/licenses/bsd-license.php. 8 ; 9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 ; 12 ; Module Name: 13 ; 14 ; SetMem64.asm 15 ; 16 ; Abstract: 17 ; 18 ; SetMem64 function 19 ; 20 ; Notes: 21 ; 22 ;------------------------------------------------------------------------------ 23 24 .code 25 26 ;------------------------------------------------------------------------------ 27 ; VOID * 28 ; InternalMemSetMem64 ( 29 ; IN VOID *Buffer, 30 ; IN UINTN Count, 31 ; IN UINT64 Value 32 ; ) 33 ;------------------------------------------------------------------------------ 34 InternalMemSetMem64 PROC 35 DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value) 36 mov rax, rcx ; rax <- Buffer 37 xchg rcx, rdx ; rcx <- Count 38 @@: 39 DB 0fh, 0e7h, 02h ; movntq [rdx], mm0 40 add rdx, 8 41 loop @B 42 mfence 43 ret 44 InternalMemSetMem64 ENDP 45 46 END 47
