mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-29 12:35:53 +01:00
44 lines
999 B
NASM
44 lines
999 B
NASM
|
;------------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
||
|
|
; SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
;
|
||
|
|
; Module Name:
|
||
|
|
;
|
||
|
|
; ZeroMem.Asm
|
||
|
|
;
|
||
|
|
; Abstract:
|
||
|
|
;
|
||
|
|
; ZeroMem function
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SECTION .text
|
||
|
|
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
; VOID *
|
||
|
|
; InternalMemZeroMem (
|
||
|
|
; IN VOID *Buffer,
|
||
|
|
; IN UINTN Count
|
||
|
|
; );
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
global ASM_PFX(InternalMemZeroMem)
|
||
|
|
ASM_PFX(InternalMemZeroMem):
|
||
|
|
push edi
|
||
|
|
xor eax, eax
|
||
|
|
mov edi, [esp + 8]
|
||
|
|
mov ecx, [esp + 12]
|
||
|
|
mov edx, ecx
|
||
|
|
shr ecx, 2
|
||
|
|
and edx, 3
|
||
|
|
push edi
|
||
|
|
rep stosd
|
||
|
|
mov ecx, edx
|
||
|
|
rep stosb
|
||
|
|
pop eax
|
||
|
|
pop edi
|
||
|
|
ret
|
||
|
|
|