1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2007, 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 ; memsetRep1.asm 15 ; 16 ; Abstract: 17 ; 18 ; SetMem function 19 ; 20 ; Notes: 21 ; 22 ;------------------------------------------------------------------------------ 23 24 .code 25 26 ;------------------------------------------------------------------------------ 27 ; VOID * 28 ; memset ( 29 ; OUT VOID *Buffer, 30 ; IN UINTN Size, 31 ; IN UINT8 Value 32 ; ); 33 ;------------------------------------------------------------------------------ 34 memset PROC USES rdi 35 cmp rdx, 0 ; if Size == 0, do nothing 36 mov r9, rcx 37 je @SetDone 38 mov rax, r8 39 mov rdi, rcx 40 mov rcx, rdx 41 rep stosb 42 @SetDone: 43 mov rax, r9 44 ret 45 memset ENDP 46 47 END 48 49
