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@ -1,8 +1,9 @@
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/*
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* motorola-bin.c
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*
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* Copyright (C) 2005 Mike Baker
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* Openwrt.org
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* Copyright (C) 2005-2006 Mike Baker,
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* Imre Kaloz <kaloz@openwrt.org>
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* OpenWrt.org
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*
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* $Id$
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*
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@ -22,6 +23,12 @@
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*
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*/
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/*
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* February 1, 2006
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*
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* Add support for for creating WA840G and WE800G images
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*/
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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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@ -59,29 +66,41 @@ unsigned int crc32buf(char *buf, size_t len)
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struct motorola {
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unsigned int crc; // crc32 of the remainder
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unsigned int flags; // unknown, 10577050
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unsigned int flags; // unknown, 105770*
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char *trx; // standard trx
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};
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void usage(void) __attribute__ (( __noreturn__ ));
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void usage(void)
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{
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printf("Usage: motorola-bin [-device] [trxfile] [binfile]\n\n");
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printf("Known devices: 1 - WR850G | 2 - WA840G | 3 - WE800G\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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unsigned int len;
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int fd;
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int c;
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void *trx;
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struct motorola *firmware;
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if (argc<3) {
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printf("%s <trx> <motorola.bin>\n",argv[0]);
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exit(0);
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// verify parameters
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if (argc!=4)
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{
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usage();
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}
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// mmap trx file
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if (((fd = open(argv[1], O_RDONLY)) < 0)
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if (((fd = open(argv[2], O_RDONLY)) < 0)
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|| ((len = lseek(fd, 0, SEEK_END)) < 0)
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|| ((trx = mmap(0, len, PROT_READ, MAP_SHARED, fd, 0)) == (void *) (-1))
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|| (close(fd) < 0)) {
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perror("open/malloc");
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exit(-1);
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exit(1);
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}
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// create a firmware image in memory
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@ -92,11 +111,29 @@ int main(int argc, char **argv)
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// setup the motorola headers
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init_crc32();
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firmware->flags = ntohl(0x10577050);
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// setup the firmware magic
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while ((c = getopt(argc, argv, "123")) !=-1) {
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switch (c) {
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case '1':
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firmware->flags = ntohl(0x10577050); // Motorola WR850G
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break;
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case '2':
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firmware->flags = ntohl(0x10577040); // Motorola WA840G
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break;
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case '3':
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firmware->flags = ntohl(0x10577000); // Motorola WE800G
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break;
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default:
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usage();
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}
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}
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firmware->crc = htonl(crc32buf((char *)&firmware->flags,len+4));
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// write the firmware
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if (((fd = open(argv[2], O_CREAT|O_WRONLY,0644)) < 0)
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if (((fd = open(argv[3], O_CREAT|O_WRONLY,0644)) < 0)
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|| (write(fd,firmware,len+8) != len+8)
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|| (close(fd) < 0)) {
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perror("write");
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Imre Kaloz
19 years ago