1#------------------------------------------------------------------------------ 2# 3# Copyright (c) 2006 - 2008, 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# ZeroMem.S 15# 16# Abstract: 17# 18# ZeroMem function 19# 20# Notes: 21# 22#------------------------------------------------------------------------------ 23 24ASM_GLOBAL ASM_PFX(InternalMemZeroMem) 25 26#------------------------------------------------------------------------------ 27# VOID * 28# InternalMemZeroMem ( 29# IN VOID *Buffer, 30# IN UINTN Count 31# ); 32#------------------------------------------------------------------------------ 33ASM_PFX(InternalMemZeroMem): 34 push %edi 35 xorl %eax,%eax 36 movl 8(%esp),%edi 37 movl 12(%esp),%ecx 38 movl %ecx,%edx 39 shrl $2,%ecx 40 andl $3,%edx 41 pushl %edi 42 rep 43 stosl 44 movl %edx,%ecx 45 rep 46 stosb 47 popl %eax 48 pop %edi 49 ret 50