FreeRTOS/Demo/CORTEX_A53_64-bit_UltraScale_MPSoC/RTOSDemo_A53_bsp/psu_cortexa53_0/libsrc/standalone_v6_6/src/xil_mem.c

/******************************************************************************/
/**
* Copyright (C) 2015 - 2016 Xilinx, Inc.  All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* XILINX  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/****************************************************************************/
/**
* @file xil_mem.c
*
* This file contains xil mem copy function to use in case of word aligned
* data copies.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who      Date     Changes
* ----- -------- -------- -----------------------------------------------
* 6.1   nsk      11/07/16 First release.
*
* </pre>
*
*****************************************************************************/

/***************************** Include Files ********************************/

#include "xil_types.h"

/***************** Inline Functions Definitions ********************/
/*****************************************************************************/
/**
* @brief       This  function copies memory from once location to other.
*
* @param       dst: pointer pointing to destination memory
*
* @param       src: pointer pointing to source memory
*
* @param       cnt: 32 bit length of bytes to be copied
*
*****************************************************************************/
void Xil_MemCpy(void* dst, const void* src, u32 cnt)
{
	char *d = (char*)(void *)dst;
	const char *s = src;

	while (cnt >= sizeof (int)) {
		*(int*)d = *(int*)s;
		d += sizeof (int);
		s += sizeof (int);
		cnt -= sizeof (int);
	}
	while ((cnt) > 0U){
		*d = *s;
		d += 1U;
		s += 1U;
		cnt -= 1U;
	}
}