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https://github.com/plappermaul/realtek-doc.git
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137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/*
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* Copyright (C) 2014 Realtek Semiconductor Corp.
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* All Rights Reserved.
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*
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* This program is the proprietary software of Realtek Semiconductor
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* Corporation and/or its licensors, and only be used, duplicated,
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* modified or distributed under the authorized license from Realtek.
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*
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* ANY USE OF THE SOFTWARE OTHER THAN AS AUTHORIZED UNDER
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* THIS LICENSE OR COPYRIGHT LAW IS PROHIBITED.
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*
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* $Revision: 16483 $
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* $Date: 2011-03-25 18:02:52 +0800 (Fri, 25 Mar 2011) $
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*
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* Purpose : Add crc and size info to loader tail
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*
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* Feature : Add crc and size info to loader tail
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include "compiler.h"
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#include <configs/autoconf.h>
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#include <linux/types.h>
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#include <turnkey/sysinfo.h>
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#include <u-boot/crc.h>
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static uint32_t _chipFamily(void)
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{
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#ifdef CONFIG_SDK_RTL8390
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return LOADER_TAIL_CHIP_839X;
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#endif
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#ifdef CONFIG_SDK_RTL8380
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return LOADER_TAIL_CHIP_838X;
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#endif
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#ifdef CONFIG_SDK_RTL9300
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return LOADER_TAIL_CHIP_930X;
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#endif
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#ifdef CONFIG_SDK_RTL9310
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return LOADER_TAIL_CHIP_931X;
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#endif
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}
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static uint32_t _edianChg(uint32_t input)
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{
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uint32_t bytes[4];
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uint32_t output = 0;
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bytes[0] = (input >> 24 & 0xFF) << 0;
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bytes[1] = (input >> 16 & 0xFF) << 8;
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bytes[2] = (input >> 8 & 0xFF) << 16;
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bytes[3] = (input >> 0 & 0xFF) << 24;
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output |= bytes[0];
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output |= bytes[1];
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output |= bytes[2];
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output |= bytes[3];
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return output;
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}
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int
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main(int argc, char *argv[])
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{
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char *loader;
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FILE *fp = NULL;
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loader_tail_t loaderInfo;
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uint32_t size = 0;
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uint32_t crc = 0;
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uint32_t tcrc = 0;
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uint32_t chip = 0;
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int ret_num;
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if (argc > 1)
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{
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printf("Loader File: %s\n", argv[1]);
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if (NULL == (fp = fopen(argv[1], "r+")))
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{
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printf("Cannot open %s\n", argv[1]);
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return 0;
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}
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if (0 != fseek(fp, 0, SEEK_END))
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{
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fclose(fp);
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return 0;
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}
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/* Get Loader file size */
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size = ftell(fp);
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loader = malloc(size);
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fseek(fp, 0, 0);
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ret_num = fread(loader, 1, size, fp);
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if(ret_num < size)
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printf("Get size is smaller than expectation\n");
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/* Calculate loader crc */
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crc = crc32(0, (unsigned char const *)loader, size);
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free(loader);
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/* Get Chip Family */
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chip = _chipFamily();
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memset(&loaderInfo, 0, sizeof(loader_tail_t));
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memcpy(loaderInfo.lt_key, LOADER_TAIL, sizeof(loaderInfo.lt_key));
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loaderInfo.lt_chip = _edianChg(chip);
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loaderInfo.lt_crc = _edianChg(crc);
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loaderInfo.lt_size = _edianChg(size);
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/* Calculate loader tail crc */
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tcrc = crc32(0, (unsigned char const *)&loaderInfo, sizeof(loader_tail_t));
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loaderInfo.lt_tcrc = _edianChg(tcrc);
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/* Print Tail Information */
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printf("Loader Chip: %x\n", chip);
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printf("Loader CRC: %x\n", crc);
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printf("Loader Size: %x\n", size);
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printf("Loader Tail CRC: %x\n", tcrc);
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/* Write tail */
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fwrite(&loaderInfo, 1, sizeof(loader_tail_t), fp);
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fclose(fp);
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printf("Write loader tail success\n");
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}
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return (0);
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}
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