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;------------------------------------------------------------------------------
;
; Copyright (c) 2007, 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:
;
; memsetRep8.asm
;
; Abstract:
;
; SetMem function
;
; Notes:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; VOID
; memset (
; OUT VOID *Buffer,
; IN UINT8 Value,
; IN UINTN Length
; );
;------------------------------------------------------------------------------
memset PROC USES rdi rbx
cmp r8, 0 ; if Size == 0, do nothing
mov r9, rcx
je @SetDone
mov rax, rdx
mov bl, al
mov bh, bl
mov ax, bx
shl rax, 10h
mov ax, bx
mov ebx, eax
shl rax, 20h
mov eax, ebx
mov rdi, rcx
mov rcx, r8
shr rcx, 3
rep stosq
mov rcx, rdx
and rcx, 7
rep stosb
@SetDone:
mov rax, r9
ret
memset ENDP
END
|
