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[/] [minsoc/] [trunk/] [sw/] [utils/] [bin2vmem.c] - Blame information for rev 158

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Line No. Rev Author Line
1 2 rfajardo
/*$$HEADER*/
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/******************************************************************************/
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/*                                                                            */
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/*                    H E A D E R   I N F O R M A T I O N                     */
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/*                                                                            */
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/******************************************************************************/
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// Project Name                   : ORPSoC v2
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// File Name                      : bin2vmem.c
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// Prepared By                    : jb, jb@orsoc.se
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// Project Start                  : 2009-05-13
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/*$$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 VMEM output to stdout from binary images.
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// Use with redirection like: ./bin2vmem app.bin > app.vmem
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// To change either the number of bytes per word or word per line, change
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// the following defines.
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// Currently output is WORD addressed, NOT byte addressed
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// eg: @00000000 00000000 00000000 00000000 00000000
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//     @00000004 00000000 00000000 00000000 00000000
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//     @00000008 00000000 00000000 00000000 00000000
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//     @0000000c 00000000 00000000 00000000 00000000
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//     etc..
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//
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#define WORDS_PER_LINE 4
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#define BYTES_PER_WORD 4
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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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int main(int argc, char **argv)
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{
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        FILE  *fd;
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        int c;
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        int i = 0;
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        int write_size_word=0; // Disabled by default
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        int filename_index=1;
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        unsigned int image_size;
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        // Counters keeping track of what we've printed
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        int current_addr = 0;
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        int word_counter = 0;
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        int byte_counter = 0;
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        if(argc < 2) {
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          fprintf(stderr,"\n\tInsufficient options.\n");
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          fprintf(stderr,"\tPlease specify a binary file to convert to VMEM\n");
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          fprintf(stderr,"\n\tbin2vmem - creates vmem output to stdout from bin\n");
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          exit(1);
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        }
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        fd = fopen( argv[filename_index], "r" );
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        if (fd == NULL) {
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                fprintf(stderr,"failed to open input file: %s\n",argv[1]);
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                exit(1);
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        }
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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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        if (write_size_word)
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          {
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            // or1200 startup method of determining size of boot image we're copying by reading out
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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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            // Now we should have the size of the file in bytes. Let's ensure it's a word multiple
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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
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            printf("@%8x", current_addr);
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            printf("%8x", image_size);
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            current_addr += WORDS_PER_LINE * BYTES_PER_WORD;
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          }
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        else
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          {
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          }
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        // Fix for the current bootloader software! Skip the first 4 bytes of application data. Hopefully it's not important. 030509 -- jb
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        //for(i=0;i<4;i++)
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        //  c=fgetc(fd);
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        i=0;
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        int starting_new_line  = 1;
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        // Now write out the binary data to VMEM format: @ADDRESSS XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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        while ((c = fgetc(fd)) != EOF) {
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          if (starting_new_line)
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            {
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              // New line - print the current addr and then increment it
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              printf("@%.8x", current_addr);
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              //current_addr += WORDS_PER_LINE * BYTES_PER_WORD;
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              current_addr += WORDS_PER_LINE;
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              starting_new_line = 0;
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            }
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          if (byte_counter == 0)
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            printf(" ");
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          printf("%.2x", (unsigned int) c); // now print the actual char
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          byte_counter++;
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          if (byte_counter == BYTES_PER_WORD)
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            {
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              word_counter++;
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              byte_counter=0;
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            }
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          if (word_counter == WORDS_PER_LINE)
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            {
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              printf("\n");
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              word_counter = 0;
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              starting_new_line = 1;
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            }
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        }
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        return 0;
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}

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