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