blob: 6483b9267b63b1d2367e7e679ad7419f8525e9a9 [file] [log] [blame]
Mike Frysingerc3d2a172011-04-02 21:40:19 -04001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26
27static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
28{
29 unsigned long src, dst;
30 unsigned long src_len = ~0UL, dst_len = ~0UL;
31 char buf[32];
32
33 switch (argc) {
34 case 4:
35 dst_len = simple_strtoul(argv[3], NULL, 16);
36 /* fall through */
37 case 3:
38 src = simple_strtoul(argv[1], NULL, 16);
39 dst = simple_strtoul(argv[2], NULL, 16);
40 break;
41 default:
42 return cmd_usage(cmdtp);
43 }
44
45 if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
46 return 1;
47
48 printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
49 sprintf(buf, "%lX", src_len);
50 setenv("filesize", buf);
51
52 return 0;
53}
54
55U_BOOT_CMD(
56 unzip, 4, 1, do_unzip,
57 "unzip a memory region",
58 "srcaddr dstaddr [dstsize]"
59);