87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*/
|
|
|
|
#include <endian.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
|
|
static void usage(char *name)
|
|
{
|
|
printf("Usage: %s barebox-flash-image <outfile>\n", name);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
FILE *ifile, *ofile;
|
|
unsigned int *buf;
|
|
const char *infile;
|
|
const char *outfile;
|
|
struct stat st;
|
|
unsigned int i;
|
|
unsigned long sum = 0;
|
|
|
|
if (argc != 3) {
|
|
usage(argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
infile = argv[1];
|
|
outfile = argv[2];
|
|
|
|
if (stat(infile, &st) == -1) {
|
|
perror("stat");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
buf = malloc(st.st_size);
|
|
if (!buf) {
|
|
fprintf(stderr, "Unable to allocate buffer\n");
|
|
return -1;
|
|
}
|
|
ifile = fopen(infile, "rb");
|
|
if (!ifile) {
|
|
fprintf(stderr, "Cannot open %s for reading\n",
|
|
infile);
|
|
free(buf);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ofile = fopen(outfile, "wb");
|
|
if (!ofile) {
|
|
fprintf(stderr, "Cannot open %s for writing\n",
|
|
outfile);
|
|
fclose(ifile);
|
|
free(buf);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
fread(buf, 4, st.st_size, ifile);
|
|
|
|
for (i = 0x8; i < 0x12; i++)
|
|
sum += htole32(buf[i]);
|
|
|
|
sum = ~sum;
|
|
buf[i] = sum;
|
|
|
|
fwrite(buf, st.st_size / 4, 4, ofile);
|
|
|
|
fclose(ofile);
|
|
fclose(ifile);
|
|
free(buf);
|
|
|
|
return 0;
|
|
}
|