mirror of
git://projects.qi-hardware.com/xburst-tools.git
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315 lines
7.6 KiB
C
315 lines
7.6 KiB
C
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/*
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* USB DFU file trailer tool
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* (C) Copyright by OpenMoko, Inc.
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* Author: Harald Welte <laforge@openmoko.org>
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*
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* based on mkimage.c, copyright information as follows:
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*
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* (C) Copyright 2000-2004
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* DENX Software Engineering
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* Wolfgang Denk, wd@denx.de
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <errno.h>
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#include <fcntl.h>
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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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#ifndef __WIN32__
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#include <netinet/in.h> /* for host / network byte order conversions */
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#endif
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
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#include <inttypes.h>
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#endif
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#ifdef __WIN32__
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typedef unsigned int __u32;
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#define SWAP_LONG(x) \
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((__u32)( \
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(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
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(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
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(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
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(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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#define ntohl(a) SWAP_LONG(a)
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#define htonl(a) SWAP_LONG(a)
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#endif /* __WIN32__ */
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#ifndef O_BINARY /* should be define'd on __WIN32__ */
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#define O_BINARY 0
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#endif
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#include "usb_dfu_trailer.h"
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extern int errno;
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#ifndef MAP_FAILED
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#define MAP_FAILED (-1)
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#endif
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static char *cmdname;
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static char *datafile;
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static char *imagefile;
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static void usage()
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{
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fprintf (stderr, "%s - create / display u-boot DFU trailer\n", cmdname);
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fprintf (stderr, "Usage: %s -l image\n"
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" -l ==> list image header information\n"
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" %s -v VID -p PID -r REV -d data_file image\n",
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cmdname, cmdname);
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fprintf (stderr, " -v ==> set vendor ID to 'VID'\n"
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" -p ==> set product ID system to 'PID'\n"
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" -r ==> set hardware revision to 'REV'\n"
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" -d ==> use 'data_file' as input file\n"
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);
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exit (EXIT_FAILURE);
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}
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static void print_trailer(struct uboot_dfu_trailer *trailer)
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{
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printf("===> DFU Trailer information:\n");
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printf("Trailer Vers.: %d\n", trailer->version);
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printf("Trailer Length: %d\n", trailer->length);
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printf("VendorID: 0x%04x\n", trailer->vendor);
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printf("ProductID: 0x%04x\n", trailer->product);
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printf("HW Revision: 0x%04x\n", trailer->revision);
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}
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static void copy_file (int ifd, const char *datafile, int pad)
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{
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int dfd;
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struct stat sbuf;
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unsigned char *ptr;
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int tail;
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int zero = 0;
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int offset = 0;
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int size;
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if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (fstat(dfd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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ptr = (unsigned char *)mmap(0, sbuf.st_size,
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PROT_READ, MAP_SHARED, dfd, 0);
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if (ptr == (unsigned char *)MAP_FAILED) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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size = sbuf.st_size - offset;
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if (write(ifd, ptr + offset, size) != size) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (pad && ((tail = size % 4) != 0)) {
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if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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}
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(void) munmap((void *)ptr, sbuf.st_size);
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(void) close (dfd);
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}
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int main(int argc, char **argv)
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{
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int ifd;
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int lflag = 0;
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struct stat sbuf;
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u_int16_t opt_vendor, opt_product, opt_revision;
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struct uboot_dfu_trailer _hdr, _mirror, *hdr = &_hdr;
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opt_vendor = opt_product = opt_revision = 0;
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cmdname = *argv;
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while (--argc > 0 && **++argv == '-') {
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while (*++*argv) {
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switch (**argv) {
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case 'l':
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lflag = 1;
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break;
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case 'v':
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if (--argc <= 0)
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usage ();
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opt_vendor = strtoul(*++argv, NULL, 16);
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goto NXTARG;
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case 'p':
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if (--argc <= 0)
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usage ();
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opt_product = strtoul(*++argv, NULL, 16);
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goto NXTARG;
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case 'r':
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if (--argc <= 0)
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usage ();
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opt_revision = strtoul(*++argv, NULL, 16);
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goto NXTARG;
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case 'd':
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if (--argc <= 0)
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usage ();
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datafile = *++argv;
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goto NXTARG;
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case 'h':
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usage();
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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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NXTARG: ;
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}
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if (argc != 1)
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usage();
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imagefile = *argv;
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if (lflag)
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ifd = open(imagefile, O_RDONLY|O_BINARY);
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else
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ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
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if (ifd < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (lflag) {
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unsigned char *ptr;
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/* list header information of existing image */
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if ((unsigned)sbuf.st_size < sizeof(struct uboot_dfu_trailer)) {
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fprintf (stderr,
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"%s: Bad size: \"%s\" is no valid image\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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ptr = (unsigned char *)mmap(0, sbuf.st_size,
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PROT_READ, MAP_SHARED, ifd, 0);
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if ((caddr_t)ptr == (caddr_t)-1) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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dfu_trailer_mirror(hdr, ptr+sbuf.st_size);
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if (hdr->magic != UBOOT_DFU_TRAILER_MAGIC) {
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fprintf (stderr,
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"%s: Bad Magic Number: \"%s\" is no valid image\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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/* for multi-file images we need the data part, too */
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print_trailer(hdr);
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(void) munmap((void *)ptr, sbuf.st_size);
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(void) close (ifd);
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exit (EXIT_SUCCESS);
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}
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/* if we're not listing: */
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copy_file (ifd, datafile, 0);
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memset (hdr, 0, sizeof(struct uboot_dfu_trailer));
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/* Build new header */
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hdr->version = UBOOT_DFU_TRAILER_V1;
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hdr->magic = UBOOT_DFU_TRAILER_MAGIC;
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hdr->length = sizeof(struct uboot_dfu_trailer);
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hdr->vendor = opt_vendor;
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hdr->product = opt_product;
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hdr->revision = opt_revision;
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print_trailer(hdr);
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dfu_trailer_mirror(&_mirror, (unsigned char *)hdr+sizeof(*hdr));
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if (write(ifd, &_mirror, sizeof(struct uboot_dfu_trailer))
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!= sizeof(struct uboot_dfu_trailer)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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if (close(ifd)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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exit (EXIT_SUCCESS);
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}
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