audk/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S

56 lines
1.4 KiB
ArmAsm

#------------------------------------------------------------------------------
#
# Copyright (c) 2006, 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:
#
# SetMem.Asm
#
# Abstract:
#
# SetMem function
#
# Notes:
#
#------------------------------------------------------------------------------
.386:
.code:
.globl _InternalMemSetMem
#------------------------------------------------------------------------------
# VOID *
# InternalMemSetMem (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT8 Value
# )
#------------------------------------------------------------------------------
_InternalMemSetMem:
push %edi
movl 12(%esp),%ecx
movb 16(%esp),%al
movb %ah, %al
shrd $16, %eax, %edx
shld $16, %edx, %eax
movl %edx, %ecx
movl 8(%esp),%edi
shrd $2, %ecx, %ecx
rep
stosl
movl %ecx, %edx
andl $3, %ecx
rep
stosb
movl 8(%esp),%eax
pop %edi
ret