blob: a6633dbe303406f60aab645871668273b9c51a59 [file] [log] [blame]
/* Copyright 2007, Google Inc. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
int main(int argc, char *argv[])
{
struct stat s;
unsigned size, base;
unsigned magic[10];
int fd;
if(argc != 3) {
fprintf(stderr,"usage: mkheader <bin> <hdr>\n");
return -1;
}
if(stat(argv[1], &s)) {
perror("cannot stat binary");
return -1;
}
size = s.st_size;
base = 0xE0000000;
magic[0] = 0x00000005; /* appsbl */
magic[1] = 0x00000002; /* nand */
magic[2] = 0x00000000;
magic[3] = base;
magic[4] = size;
magic[5] = size;
magic[6] = size + base;
magic[7] = 0x00000000;
magic[8] = size + base;
magic[9] = 0x00000000;
fd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, 0644);
if(fd < 0) {
perror("cannot open header for writing");
return -1;
}
if(write(fd, magic, sizeof(magic)) != sizeof(magic)) {
perror("cannot write header");
close(fd);
unlink(argv[2]);
return -1;
}
close(fd);
return 0;
}