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#------------------------------------------------------------------------------
#
# Copyright (c) 2008, 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:
#
# EfiZeroMemRep4.S
#
# Abstract:
#
# ZeroMem function
#
# Notes:
#
#------------------------------------------------------------------------------
#include <EfiBind.h>
.code:
.global ASM_PFX(EfiCommonLibZeroMem)
#------------------------------------------------------------------------------
# VOID
# EfiCommonLibZeroMem (
# IN VOID *Buffer,
# IN UINTN Size
# );
#------------------------------------------------------------------------------
ASM_PFX(EfiCommonLibZeroMem):
push %rdi
xor %rax,%rax
mov %rcx,%rdi
mov %rdx,%rcx
shr $0x2,%rcx
and $0x3,%rdx
rep stos %eax,%es:(%rdi)
mov %rdx,%rcx
rep stos %al,%es:(%rdi)
pop %rdi
retq
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