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 ; SetMem.asm 15 ; 16 ; Abstract: 17 ; 18 ; memset function 19 ; 20 ; Notes: 21 ; 22 ;------------------------------------------------------------------------------ 23 24 .686 25 .model flat,C 26 .code 27 28 ;------------------------------------------------------------------------------ 29 ; VOID * 30 ; memset ( 31 ; OUT VOID *Buffer, 32 ; IN UINT8 Value, 33 ; IN UINTN Count 34 ; ) 35 ;------------------------------------------------------------------------------ 36 memset PROC USES edi 37 mov ecx, [esp + 16] 38 test ecx, ecx 39 je @F 40 mov al, [esp + 12] 41 mov ah, al 42 shrd edx, eax, 16 43 shld eax, edx, 16 44 mov edx, ecx 45 mov edi, [esp + 8] 46 shr ecx, 2 47 rep stosd 48 mov ecx, edx 49 and ecx, 3 50 rep stosb 51 @@: 52 mov eax, [esp + 8] 53 ret 54 memset ENDP 55 56 END 57
