;------------------------------------------------------------------------------ ; ; 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: ; ; SetMem32.asm ; ; Abstract: ; ; SetMem32 function ; ; Notes: ; ;------------------------------------------------------------------------------ .code ;------------------------------------------------------------------------------ ; VOID * ; InternalMemSetMem32 ( ; IN VOID *Buffer, ; IN UINTN Count, ; IN UINT8 Value ; ) ;------------------------------------------------------------------------------ InternalMemSetMem32 PROC USES rdi mov rdi, rcx mov r9, rdi xor rcx, rcx sub rcx, rdi and rcx, 15 mov rax, r8 jz @F shr rcx, 2 cmp rcx, rdx cmova rcx, rdx sub rdx, rcx rep stosd @@: mov rcx, rdx and edx, 3 shr rcx, 2 jz @SetDwords movd xmm0, eax pshufd xmm0, xmm0, 0 @@: movntdq [rdi], xmm0 add rdi, 16 loop @B mfence @SetDwords: mov ecx, edx rep stosd mov rax, r9 ret InternalMemSetMem32 ENDP END