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[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [utils/] [bin2binsizeword.c] - Rev 477
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/*$$HEADER*/ /******************************************************************************/ /* */ /* H E A D E R I N F O R M A T I O N */ /* */ /******************************************************************************/ // Project Name : // File Name : bin2binsizeword.c // Prepared By : // Project Start : /*$$COPYRIGHT NOTICE*/ /******************************************************************************/ /* */ /* C O P Y R I G H T N O T I C E */ /* */ /******************************************************************************/ /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; version 2.1 of the License, a copy of which is available from http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /*$$DESCRIPTION*/ /******************************************************************************/ /* */ /* D E S C R I P T I O N */ /* */ /******************************************************************************/ // // Generates a binary file, but with the first word replaced as the size of the // image in big endian format // #include <stdio.h> #include <stdlib.h> #include <string.h> /* Number of bytes before line is broken For example if target flash is 8 bits wide, define BREAK as 1. If it is 16 bits wide, define it as 2 etc. */ #define BREAK 1 int main(int argc, char **argv) { FILE *fd, *dest_fd; int i = 0; int n; int filename_index=1; int output_filename_index=2; unsigned int image_size; if(argc < 2) { fprintf(stderr,"Usage: bin2binsizeword INFILE OUTFILE\n"); fprintf(stderr,"Copy contents of INFILE to OUTFILE, replacing the first word of INFILE with the\n"); fprintf(stderr,"size of the file in bytes.\n\n"); fprintf(stderr,"\tInsufficient options.\n"); fprintf(stderr,"\tPlease specify an input and then an output name.\n"); fprintf(stderr,"\n"); return 1; } // Open input file fd = fopen( argv[filename_index], "r" ); if (fd == NULL) { fprintf(stderr,"failed to open input file: %s\n",argv[filename_index]); return 1; } // Open the output file dest_fd = fopen( argv[output_filename_index], "w"); if ( dest_fd == NULL ) { fprintf(stderr,"failed to open output file: %s\n",argv[output_filename_index]); return 1; } // the very first word in flash is used. Determine the length of this file fseek(fd, 0, SEEK_END); image_size = ftell(fd); fseek(fd,0,SEEK_SET); // This bit ensures the size word is a word multiple, but that shouldn't be // required. //image_size+=3; //image_size &= 0xfffffffc; // Sanity check on image size if (image_size < 8){ fprintf(stderr, "Bad binary image. Size too small\n"); return 1; } // Now write out the image size, BIG ENDIAN i=0; unsigned char data_byte; data_byte = (image_size >> 24) & 0xff; fwrite(&data_byte, 1, 1, dest_fd); data_byte = (image_size >> 16) & 0xff; fwrite(&data_byte, 1, 1, dest_fd); data_byte = (image_size >> 8) & 0xff; fwrite(&data_byte, 1, 1, dest_fd); data_byte = (image_size >> 0) & 0xff; fwrite(&data_byte, 1, 1, dest_fd); // Now copy the binary file into RAM // Fix for the current bootloader software! Skip the first 4 bytes of // application data. Hopefully it's not important. 030509 -- jb for(i=0;i<4;i++) n = fread(&data_byte,1,1,fd); while(i<image_size) { n = fread(&data_byte,1,1,fd); if (!n) { fprintf(stderr,"error reading input file\n"); fclose(fd); fclose(dest_fd); return 1; } fwrite(&data_byte, 1, 1, dest_fd); i++; } fclose(fd); fclose(dest_fd); return 0; }
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