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Sourcecode: x-loader-omap4 version File versions  Download package

signGP.c

//
// signGP.c
// Read the x-load.bin file and write out the x-load.bin.ift file.
// The signed image is the original pre-pended with the size of the image
// and the load address.  If not entered on command line, file name is
// assumed to be x-load.bin in current directory and load address is
// 0x40200800.

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <string.h>
#include <malloc.h>


main(int argc, char *argv[])
{
      int   i;
      char  ifname[FILENAME_MAX], ofname[FILENAME_MAX], ch;
      FILE  *ifile, *ofile;
      unsigned long     loadaddr, len;
      struct stat sinfo;


      // Default to x-load.bin and 0x40200800.
      strcpy(ifname, "x-load.bin");
      loadaddr = 0x40200800;

      if ((argc == 2) || (argc == 3))
            strcpy(ifname, argv[1]);

      if (argc == 3)
            loadaddr = strtol(argv[2], NULL, 16);

      // Form the output file name.
      strcpy(ofname, ifname);
      strcat(ofname, ".ift");

      // Open the input file.
      ifile = fopen(ifname, "rb");
      if (ifile == NULL) {
            printf("Cannot open %s\n", ifname);
            exit(0);
      }

      // Get file length.
      stat(ifname, &sinfo);
      len = sinfo.st_size;

      // Open the output file and write it.
      ofile = fopen(ofname, "wb");
      if (ofile == NULL) {
            printf("Cannot open %s\n", ofname);
            fclose(ifile);
            exit(0);
      }

      // Pad 1 sector of zeroes.
      //ch = 0x00;
      //for (i=0; i<0x200; i++)
      //    fwrite(&ch, 1, 1, ofile);

      fwrite(&len, 1, 4, ofile);
      fwrite(&loadaddr, 1, 4, ofile);
      for (i=0; i<len; i++) {
            fread(&ch, 1, 1, ifile);
            fwrite(&ch, 1, 1, ofile);
      }

      fclose(ifile);
      fclose(ofile);
}

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