2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de>
8 * See file CREDITS for list of people who contributed to this
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.
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.
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,
35 #if defined(CONFIG_BZIP2)
38 #include <asm/byteorder.h>
40 #ifndef CONFIG_SYS_XIMG_LEN
41 /* use 8MByte as default max gunzip size */
42 #define CONFIG_SYS_XIMG_LEN 0x800000
46 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
48 ulong addr = load_addr;
50 ulong data, len, count;
55 #if defined(CONFIG_FIT)
56 const char *uname = NULL;
62 uint unc_len = CONFIG_SYS_XIMG_LEN;
65 verify = getenv_yesno ("verify");
68 addr = simple_strtoul(argv[1], NULL, 16);
71 part = simple_strtoul(argv[2], NULL, 16);
72 #if defined(CONFIG_FIT)
77 dest = simple_strtoul(argv[3], NULL, 16);
80 switch (genimg_get_format ((void *)addr)) {
81 case IMAGE_FORMAT_LEGACY:
83 printf("## Copying part %d from legacy image "
84 "at %08lx ...\n", part, addr);
86 hdr = (image_header_t *)addr;
87 if (!image_check_magic (hdr)) {
88 printf("Bad Magic Number\n");
92 if (!image_check_hcrc (hdr)) {
93 printf("Bad Header Checksum\n");
97 image_print_contents (hdr);
100 if (!image_check_type (hdr, IH_TYPE_MULTI)) {
101 printf("Wrong Image Type for %s command\n",
106 comp = image_get_comp (hdr);
107 if ((comp != IH_COMP_NONE) && (argc < 4)) {
108 printf("Must specify load address for %s command "
109 "with compressed image\n",
115 printf(" Verifying Checksum ... ");
116 if (!image_check_dcrc (hdr)) {
117 printf("Bad Data CRC\n");
123 count = image_multi_count (hdr);
125 printf("Bad Image Part\n");
129 image_multi_getimg (hdr, part, &data, &len);
131 #if defined(CONFIG_FIT)
132 case IMAGE_FORMAT_FIT:
134 puts ("No FIT subimage unit name\n");
138 printf("## Copying '%s' subimage from FIT image "
139 "at %08lx ...\n", uname, addr);
141 fit_hdr = (const void *)addr;
142 if (!fit_check_format (fit_hdr)) {
143 puts ("Bad FIT image format\n");
147 /* get subimage node offset */
148 noffset = fit_image_get_node (fit_hdr, uname);
150 printf ("Can't find '%s' FIT subimage\n", uname);
154 if (fit_image_check_comp (fit_hdr, noffset, IH_COMP_NONE)
156 printf("Must specify load address for %s command "
157 "with compressed image\n",
162 /* verify integrity */
164 if (!fit_image_check_hashes (fit_hdr, noffset)) {
165 puts ("Bad Data Hash\n");
170 /* get subimage data address and length */
171 if (fit_image_get_data (fit_hdr, noffset,
172 &fit_data, &fit_len)) {
173 puts ("Could not find script subimage data\n");
177 if (fit_image_get_comp (fit_hdr, noffset, &comp)) {
178 puts ("Could not find script subimage "
179 "compression type\n");
183 data = (ulong)fit_data;
184 len = (ulong)fit_len;
188 puts ("Invalid image type for imxtract\n");
195 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
199 void *to = (void *) dest;
200 void *from = (void *)data;
202 printf (" Loading part %d ... ", part);
205 tail = (l > CHUNKSZ) ? CHUNKSZ : l;
207 memmove (to, from, tail);
213 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
214 printf (" Loading part %d ... ", part);
215 memmove ((char *) dest, (char *)data, len);
216 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
219 printf (" Uncompressing part %d ... ", part);
220 if (gunzip ((void *) dest, unc_len,
221 (uchar *) data, &len) != 0) {
222 puts ("GUNZIP ERROR - image not loaded\n");
226 #if defined(CONFIG_BZIP2)
228 printf (" Uncompressing part %d ... ", part);
230 * If we've got less than 4 MB of malloc() space,
231 * use slower decompression algorithm which requires
232 * at most 2300 KB of memory.
234 i = BZ2_bzBuffToBuffDecompress
235 ((char*)ntohl(hdr->ih_load),
236 &unc_len, (char *)data, len,
237 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
239 printf ("BUNZIP2 ERROR %d - "
240 "image not loaded\n", i);
244 #endif /* CONFIG_BZIP2 */
246 printf ("Unimplemented compression type %d\n", comp);
252 sprintf(pbuf, "%8lx", data);
253 setenv("fileaddr", pbuf);
254 sprintf(pbuf, "%8lx", len);
255 setenv("filesize", pbuf);
260 U_BOOT_CMD(imxtract, 4, 1, do_imgextract,
261 "extract a part of a multi-image",
263 " - extract <part> from legacy image at <addr> and copy to <dest>"
264 #if defined(CONFIG_FIT)
266 "addr uname [dest]\n"
267 " - extract <uname> subimage from FIT image at <addr> and copy to <dest>"