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[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [utils/] [bin2binsizeword.c] - Blame information for rev 862

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1 349 julius
/*$$HEADER*/
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/******************************************************************************/
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/*                                                                            */
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/*                    H E A D E R   I N F O R M A T I O N                     */
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/*                                                                            */
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/******************************************************************************/
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// Project Name                   : 
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// File Name                      : bin2binsizeword.c
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// Prepared By                    : 
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// Project Start                  : 
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/*$$COPYRIGHT NOTICE*/
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/******************************************************************************/
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/*                                                                            */
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/*                      C O P Y R I G H T   N O T I C E                       */
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/*                                                                            */
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/******************************************************************************/
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/*
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  This library is free software; you can redistribute it and/or
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  modify it under the terms of the GNU Lesser General Public
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  License as published by the Free Software Foundation;
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  version 2.1 of the License, a copy of which is available from
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  http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
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  This library 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 GNU
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  Lesser General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public
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  License along with this library; if not, write to the Free Software
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  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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*/
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/*$$DESCRIPTION*/
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/******************************************************************************/
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/*                                                                            */
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/*                           D E S C R I P T I O N                            */
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/*                                                                            */
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/******************************************************************************/
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//
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// Generates a binary file, but with the first word replaced as the size of the 
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// image in big endian format
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Number of bytes before line is broken
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   For example if target flash is 8 bits wide,
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   define BREAK as 1. If it is 16 bits wide,
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   define it as 2 etc.
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*/
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#define BREAK 1
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int main(int argc, char **argv)
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{
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  FILE  *fd, *dest_fd;
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  int i = 0;
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  int n;
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  int filename_index=1;
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  int output_filename_index=2;
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  unsigned int image_size;
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  if(argc < 2)
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    {
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      fprintf(stderr,"Usage: bin2binsizeword INFILE OUTFILE\n");
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      fprintf(stderr,"Copy contents of INFILE to OUTFILE, replacing the first word of INFILE with the\n");
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      fprintf(stderr,"size of the file in bytes.\n\n");
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      fprintf(stderr,"\tInsufficient options.\n");
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      fprintf(stderr,"\tPlease specify an input and then an output name.\n");
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      fprintf(stderr,"\n");
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      return 1;
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    }
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  // Open input file
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  fd = fopen( argv[filename_index], "r" );
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  if (fd == NULL)
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    {
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      fprintf(stderr,"failed to open input file: %s\n",argv[filename_index]);
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      return 1;
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    }
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  // Open the output file
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  dest_fd = fopen( argv[output_filename_index], "w");
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  if ( dest_fd == NULL )
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    {
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      fprintf(stderr,"failed to open output file: %s\n",argv[output_filename_index]);
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      return 1;
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    }
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  // the very first word in flash is used. Determine the length of this file
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  fseek(fd, 0, SEEK_END);
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  image_size = ftell(fd);
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  fseek(fd,0,SEEK_SET);
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  // This bit ensures the size word is a word multiple, but that shouldn't be 
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  // required.
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  //image_size+=3;
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  //image_size &= 0xfffffffc;
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  // Sanity check on image size
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  if (image_size < 8){
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    fprintf(stderr, "Bad binary image. Size too small\n");
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    return 1;
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  }
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  // Now write out the image size, BIG ENDIAN
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  i=0;
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  unsigned char data_byte;
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  data_byte = (image_size >> 24) & 0xff;
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  fwrite(&data_byte, 1, 1, dest_fd);
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  data_byte = (image_size >> 16) & 0xff;
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  fwrite(&data_byte, 1, 1, dest_fd);
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  data_byte = (image_size >> 8) & 0xff;
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  fwrite(&data_byte, 1, 1, dest_fd);
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  data_byte = (image_size >> 0) & 0xff;
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  fwrite(&data_byte, 1, 1, dest_fd);
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  // Now copy the binary file into RAM
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  // Fix for the current bootloader software! Skip the first 4 bytes of 
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  // application data. Hopefully it's not important. 030509 -- jb
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  for(i=0;i<4;i++)
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    n = fread(&data_byte,1,1,fd);
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  while(i<image_size)
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    {
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      n = fread(&data_byte,1,1,fd);
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      if (!n)
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        {
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          fprintf(stderr,"error reading input file\n");
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          fclose(fd);
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          fclose(dest_fd);
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          return 1;
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        }
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      fwrite(&data_byte, 1, 1, dest_fd);
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      i++;
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    }
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  fclose(fd);
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  fclose(dest_fd);
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  return 0;
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}

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