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wdenk48abe7b2004-06-09 10:15:00 +00001/*
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2003
6 * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
wdenk48abe7b2004-06-09 10:15:00 +000027
28/*
29 * Multi Image extract
30 */
31#include <common.h>
32#include <command.h>
33#include <image.h>
Wolfgang Wegner5912d362009-12-10 10:11:21 +010034#include <watchdog.h>
35#if defined(CONFIG_BZIP2)
36#include <bzlib.h>
37#endif
wdenk48abe7b2004-06-09 10:15:00 +000038#include <asm/byteorder.h>
39
Wolfgang Wegner5912d362009-12-10 10:11:21 +010040#ifndef CONFIG_SYS_XIMG_LEN
41/* use 8MByte as default max gunzip size */
42#define CONFIG_SYS_XIMG_LEN 0x800000
43#endif
44
Kim Phillips088f1b12012-10-29 13:34:31 +000045static int
Wolfgang Denk54841ab2010-06-28 22:00:46 +020046do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
wdenk48abe7b2004-06-09 10:15:00 +000047{
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010048 ulong addr = load_addr;
49 ulong dest = 0;
50 ulong data, len, count;
Bartlomiej Siekafbe7a152008-03-20 19:38:45 +010051 int verify;
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010052 int part = 0;
53 char pbuf[10];
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010054 image_header_t *hdr;
55#if defined(CONFIG_FIT)
Bartlomiej Siekafbe7a152008-03-20 19:38:45 +010056 const char *uname = NULL;
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010057 const void* fit_hdr;
58 int noffset;
59 const void *fit_data;
60 size_t fit_len;
61#endif
Wolfgang Wegner5912d362009-12-10 10:11:21 +010062 uint unc_len = CONFIG_SYS_XIMG_LEN;
63 uint8_t comp;
wdenk48abe7b2004-06-09 10:15:00 +000064
Stephen Warren712fbcf2011-10-18 11:11:49 +000065 verify = getenv_yesno("verify");
wdenk48abe7b2004-06-09 10:15:00 +000066
67 if (argc > 1) {
68 addr = simple_strtoul(argv[1], NULL, 16);
69 }
70 if (argc > 2) {
71 part = simple_strtoul(argv[2], NULL, 16);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010072#if defined(CONFIG_FIT)
73 uname = argv[2];
74#endif
wdenk48abe7b2004-06-09 10:15:00 +000075 }
76 if (argc > 3) {
77 dest = simple_strtoul(argv[3], NULL, 16);
78 }
79
Stephen Warren712fbcf2011-10-18 11:11:49 +000080 switch (genimg_get_format((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +010081 case IMAGE_FORMAT_LEGACY:
wdenk48abe7b2004-06-09 10:15:00 +000082
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010083 printf("## Copying part %d from legacy image "
84 "at %08lx ...\n", part, addr);
85
Marian Balakowiczd5934ad2008-02-04 08:28:09 +010086 hdr = (image_header_t *)addr;
Stephen Warren712fbcf2011-10-18 11:11:49 +000087 if (!image_check_magic(hdr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +010088 printf("Bad Magic Number\n");
wdenk48abe7b2004-06-09 10:15:00 +000089 return 1;
90 }
wdenk48abe7b2004-06-09 10:15:00 +000091
Stephen Warren712fbcf2011-10-18 11:11:49 +000092 if (!image_check_hcrc(hdr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +010093 printf("Bad Header Checksum\n");
94 return 1;
95 }
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010096#ifdef DEBUG
Stephen Warren712fbcf2011-10-18 11:11:49 +000097 image_print_contents(hdr);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +010098#endif
wdenk48abe7b2004-06-09 10:15:00 +000099
Stephen Warren712fbcf2011-10-18 11:11:49 +0000100 if (!image_check_type(hdr, IH_TYPE_MULTI)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100101 printf("Wrong Image Type for %s command\n",
102 cmdtp->name);
103 return 1;
104 }
105
Stephen Warren712fbcf2011-10-18 11:11:49 +0000106 comp = image_get_comp(hdr);
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100107 if ((comp != IH_COMP_NONE) && (argc < 4)) {
108 printf("Must specify load address for %s command "
109 "with compressed image\n",
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100110 cmdtp->name);
111 return 1;
112 }
113
114 if (verify) {
115 printf(" Verifying Checksum ... ");
Stephen Warren712fbcf2011-10-18 11:11:49 +0000116 if (!image_check_dcrc(hdr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100117 printf("Bad Data CRC\n");
118 return 1;
119 }
120 printf("OK\n");
121 }
122
Stephen Warren712fbcf2011-10-18 11:11:49 +0000123 count = image_multi_count(hdr);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100124 if (part >= count) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100125 printf("Bad Image Part\n");
126 return 1;
127 }
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100128
Stephen Warren712fbcf2011-10-18 11:11:49 +0000129 image_multi_getimg(hdr, part, &data, &len);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100130 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100131#if defined(CONFIG_FIT)
132 case IMAGE_FORMAT_FIT:
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100133 if (uname == NULL) {
Stephen Warren712fbcf2011-10-18 11:11:49 +0000134 puts("No FIT subimage unit name\n");
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100135 return 1;
136 }
137
138 printf("## Copying '%s' subimage from FIT image "
139 "at %08lx ...\n", uname, addr);
140
141 fit_hdr = (const void *)addr;
Stephen Warren712fbcf2011-10-18 11:11:49 +0000142 if (!fit_check_format(fit_hdr)) {
143 puts("Bad FIT image format\n");
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100144 return 1;
145 }
146
147 /* get subimage node offset */
Stephen Warren712fbcf2011-10-18 11:11:49 +0000148 noffset = fit_image_get_node(fit_hdr, uname);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100149 if (noffset < 0) {
Stephen Warren712fbcf2011-10-18 11:11:49 +0000150 printf("Can't find '%s' FIT subimage\n", uname);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100151 return 1;
152 }
153
Stephen Warren712fbcf2011-10-18 11:11:49 +0000154 if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100155 && (argc < 4)) {
156 printf("Must specify load address for %s command "
157 "with compressed image\n",
158 cmdtp->name);
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100159 return 1;
160 }
161
162 /* verify integrity */
163 if (verify) {
Stephen Warren712fbcf2011-10-18 11:11:49 +0000164 if (!fit_image_check_hashes(fit_hdr, noffset)) {
165 puts("Bad Data Hash\n");
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100166 return 1;
167 }
168 }
169
170 /* get subimage data address and length */
Stephen Warren712fbcf2011-10-18 11:11:49 +0000171 if (fit_image_get_data(fit_hdr, noffset,
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100172 &fit_data, &fit_len)) {
Stephen Warren712fbcf2011-10-18 11:11:49 +0000173 puts("Could not find script subimage data\n");
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100174 return 1;
175 }
176
Stephen Warren712fbcf2011-10-18 11:11:49 +0000177 if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
178 puts("Could not find script subimage "
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100179 "compression type\n");
180 return 1;
181 }
182
Bartlomiej Siekafbe7a152008-03-20 19:38:45 +0100183 data = (ulong)fit_data;
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100184 len = (ulong)fit_len;
185 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100186#endif
187 default:
Stephen Warren712fbcf2011-10-18 11:11:49 +0000188 puts("Invalid image type for imxtract\n");
wdenk48abe7b2004-06-09 10:15:00 +0000189 return 1;
190 }
wdenk48abe7b2004-06-09 10:15:00 +0000191
192 if (argc > 3) {
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100193 switch (comp) {
194 case IH_COMP_NONE:
195#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
196 {
197 size_t l = len;
198 size_t tail;
199 void *to = (void *) dest;
200 void *from = (void *)data;
201
Stephen Warren712fbcf2011-10-18 11:11:49 +0000202 printf(" Loading part %d ... ", part);
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100203
204 while (l > 0) {
205 tail = (l > CHUNKSZ) ? CHUNKSZ : l;
206 WATCHDOG_RESET();
Stephen Warren712fbcf2011-10-18 11:11:49 +0000207 memmove(to, from, tail);
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100208 to += tail;
209 from += tail;
210 l -= tail;
211 }
212 }
213#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
Stephen Warren712fbcf2011-10-18 11:11:49 +0000214 printf(" Loading part %d ... ", part);
215 memmove((char *) dest, (char *)data, len);
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100216#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
217 break;
Matthew McClintock0e0996e2011-05-24 05:48:26 +0000218#ifdef CONFIG_GZIP
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100219 case IH_COMP_GZIP:
Stephen Warren712fbcf2011-10-18 11:11:49 +0000220 printf(" Uncompressing part %d ... ", part);
221 if (gunzip((void *) dest, unc_len,
222 (uchar *) data, &len) != 0) {
223 puts("GUNZIP ERROR - image not loaded\n");
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100224 return 1;
225 }
226 break;
Matthew McClintock0e0996e2011-05-24 05:48:26 +0000227#endif
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100228#if defined(CONFIG_BZIP2)
229 case IH_COMP_BZIP2:
Wolfgang Denk5f566f42010-01-31 21:51:43 +0100230 {
231 int i;
232
Stephen Warren712fbcf2011-10-18 11:11:49 +0000233 printf(" Uncompressing part %d ... ", part);
Wolfgang Denk5f566f42010-01-31 21:51:43 +0100234 /*
Wolfgang Denk93910ed2010-03-12 23:06:04 +0100235 * If we've got less than 4 MB of malloc()
Wolfgang Denk5f566f42010-01-31 21:51:43 +0100236 * space, use slower decompression algorithm
237 * which requires at most 2300 KB of memory.
238 */
239 i = BZ2_bzBuffToBuffDecompress(
Stephen Warren712fbcf2011-10-18 11:11:49 +0000240 (char *)ntohl(hdr->ih_load),
Wolfgang Denk5f566f42010-01-31 21:51:43 +0100241 &unc_len, (char *)data, len,
242 CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
243 0);
244 if (i != BZ_OK) {
Stephen Warren712fbcf2011-10-18 11:11:49 +0000245 printf("BUNZIP2 ERROR %d - "
Wolfgang Denk5f566f42010-01-31 21:51:43 +0100246 "image not loaded\n", i);
247 return 1;
248 }
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100249 }
250 break;
251#endif /* CONFIG_BZIP2 */
252 default:
Stephen Warren712fbcf2011-10-18 11:11:49 +0000253 printf("Unimplemented compression type %d\n", comp);
Wolfgang Wegner5912d362009-12-10 10:11:21 +0100254 return 1;
255 }
Stephen Warren712fbcf2011-10-18 11:11:49 +0000256 puts("OK\n");
wdenk48abe7b2004-06-09 10:15:00 +0000257 }
258
259 sprintf(pbuf, "%8lx", data);
260 setenv("fileaddr", pbuf);
261 sprintf(pbuf, "%8lx", len);
262 setenv("filesize", pbuf);
263
264 return 0;
265}
266
Kim Phillips088f1b12012-10-29 13:34:31 +0000267#ifdef CONFIG_SYS_LONGHELP
268static char imgextract_help_text[] =
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200269 "addr part [dest]\n"
270 " - extract <part> from legacy image at <addr> and copy to <dest>"
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100271#if defined(CONFIG_FIT)
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200272 "\n"
273 "addr uname [dest]\n"
274 " - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100275#endif
Kim Phillips088f1b12012-10-29 13:34:31 +0000276 "";
277#endif
278
279U_BOOT_CMD(
280 imxtract, 4, 1, do_imgextract,
281 "extract a part of a multi-image", imgextract_help_text
Marian Balakowicz1b7897f2008-03-12 10:33:00 +0100282);