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[/] [minsoc/] [trunk/] [sw/] [utils/] [bin2hex.c] - Diff between revs 2 and 141

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Line 41... Line 41...
/******************************************************************************/
/******************************************************************************/
//
//
// Generates basic ASCII hex output to stdout from binary file input
// Generates basic ASCII hex output to stdout from binary file input
// Compile and run the program with no options for usage.
// Compile and run the program with no options for usage.
//
//
 
// Modified by R. Diez in 2011 so that, when using option -size_word,
 
// padding zeroes are eventually appended, so that the length of
 
// the resulting file matches the length written in the header.
 
 
#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdlib.h>
#include <string.h>
#include <string.h>
/* Number of bytes before line is broken
/* Number of bytes before line is broken
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        int i = 0;
        int i = 0;
        int write_size_word=0; // Disabled by default
        int write_size_word=0; // Disabled by default
        int filename_index=1;
        int filename_index=1;
        int bytes_per_line=1;
        int bytes_per_line=1;
        int bytes_per_line_index=2;
        int bytes_per_line_index=2;
        unsigned int image_size;
    unsigned int padding_size = 0;
 
 
        if(argc < 3) {
        if(argc < 3) {
          fprintf(stderr,"\n\tInsufficient options.\n");
          fprintf(stderr,"\n\tInsufficient options.\n");
          fprintf(stderr,"\tPlease specify, in this order: a binary file to\n");
          fprintf(stderr,"\tPlease specify, in this order: a binary file to\n");
          fprintf(stderr,"\tconvert and the number of bytes of data to putput\n");
          fprintf(stderr,"\tconvert and the number of bytes of data to output\n");
          fprintf(stderr,"\tper line.\n");
          fprintf(stderr,"\tper line.\n");
          fprintf(stderr,"\tOptionally specify the option -size_word to output,\n");
          fprintf(stderr,"\tOptionally specify the option -size_word to output\n");
          fprintf(stderr,"\tthe size of the image in the first 4 bytes. This is\n");
          fprintf(stderr,"\tthe size of the image in the first 4 bytes. This is\n");
          fprintf(stderr,"\tused by some of the new OR1k bootloaders.\n\n");
          fprintf(stderr,"\tused by some of the new OR1k bootloaders. Note that\n");
 
          fprintf(stderr,"\tpadding zeroes will be appended so that the image size\n");
 
      fprintf(stderr,"\tis a multiple of 4.\n\n");
          exit(1);
          exit(1);
        }
        }
 
 
        if(argc == 4)
        if(argc == 4)
          {
          {
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                exit(1);
                exit(1);
        }
        }
 
 
        if (write_size_word)
        if (write_size_word)
          {
          {
 
        unsigned int image_size;
 
 
            // or1200 startup method of determining size of boot image we're copying by reading out
            // or1200 startup method of determining size of boot image we're copying by reading out
            // the very first word in flash is used. Determine the length of this file
            // the very first word in flash is used. Determine the length of this file
            fseek(fd, 0, SEEK_END);
            fseek(fd, 0, SEEK_END);
            image_size = ftell(fd);
            image_size = ftell(fd);
            fseek(fd,0,SEEK_SET);
            fseek(fd,0,SEEK_SET);
 
 
            // Now we should have the size of the file in bytes. Let's ensure it's a word multiple
            // Now we should have the size of the file in bytes. Let's ensure it's a word multiple
            image_size+=3;
        padding_size = ( 4 - (image_size % 4) ) % 4;
            image_size &= 0xfffffffc;
            image_size += padding_size;
 
 
            // Sanity check on image size
            // Sanity check on image size
            if (image_size < 8){
            if (image_size < 8){
              fprintf(stderr, "Bad binary image. Size too small\n");
              fprintf(stderr, "Bad binary image. Size too small\n");
              return 1;
              return 1;
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                        printf("\n");
                        printf("\n");
                        i = 0;
                        i = 0;
                }
                }
        }
        }
 
 
 
    unsigned j;
 
    for ( j = 0; j < padding_size; ++j ) {
 
        // printf("Adding one padding byte.\n");
 
                printf("%.2x", 0);
 
                if (++i == bytes_per_line) {
 
                        printf("\n");
 
                        i = 0;
 
                }
 
    }
 
 
        return 0;
        return 0;
}
}
 
 
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