;------------------------------------------------------------------------------ ; ; 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: ; ;------------------------------------------------------------------------------ .686 .model flat,C .xmm .code ;------------------------------------------------------------------------------ ; VOID * ; EFIAPI ; InternalMemSetMem64 ( ; IN VOID *Buffer, ; IN UINTN Count, ; IN UINT64 Value ; ) ;------------------------------------------------------------------------------ InternalMemSetMem64 PROC mov eax, [esp + 4] ; eax <- Buffer mov ecx, [esp + 8] ; ecx <- Count test al, 8 mov edx, eax movq xmm0, qword ptr [esp + 12] jz @F movq qword ptr [edx], xmm0 add edx, 8 dec ecx @@: shr ecx, 1 jz @SetQwords movlhps xmm0, xmm0 @@: movntdq [edx], xmm0 lea edx, [edx + 16] loop @B mfence @SetQwords: jnc @F movq qword ptr [edx], xmm0 @@: ret InternalMemSetMem64 ENDP END