71 lines
2 KiB
C
71 lines
2 KiB
C
/*
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* Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*
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*********************************************************************************************************
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* LINUX-KERNEL
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* AllWinner Linux Platform Develop Kits
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* Kernel Module
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*
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* (c) Copyright 2006-2011, kevin.z China
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* All Rights Reserved
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*
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* File : common.c
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* By : kevin.z
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* Version : v1.0
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* Date : 2011-5-30 19:38
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* Descript: common lib for standby
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* Update : date auther ver notes
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*********************************************************************************************************
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*/
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#include "standby.h"
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/*
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*********************************************************************************************************
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* standby_memcpy
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*
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*Description : memory copy function for standby.
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*
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*Arguments :
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*
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*Return :
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*
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*Notes :
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*
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*********************************************************************************************************
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*/
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void standby_memcpy(void *dest, void *src, int n)
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{
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char *tmp_src = (char *)NULL;
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char *tmp_dst = (char *)NULL;
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u32 *src_p = (u32 *)(src);
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u32 *dst_p = (u32 *)dest;
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if (!dest || !src) {
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/* parameter is invalid */
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return;
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}
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for (; n > 4; n -= 4) {
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*dst_p++ = *src_p++;
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}
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tmp_src = (char *)(src_p);
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tmp_dst = (char *)(dst_p);
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for (; n > 0; n--) {
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*tmp_dst++ = *tmp_src++;
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}
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return;
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}
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