]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_ximg.c
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 * const argv
[])
48 ulong addr
= load_addr
;
50 ulong data
, len
, count
;
54 #if defined(CONFIG_FIT)
55 const char *uname
= NULL
;
62 uint unc_len
= CONFIG_SYS_XIMG_LEN
;
66 verify
= getenv_yesno("verify");
69 addr
= simple_strtoul(argv
[1], NULL
, 16);
72 part
= simple_strtoul(argv
[2], NULL
, 16);
73 #if defined(CONFIG_FIT)
78 dest
= simple_strtoul(argv
[3], NULL
, 16);
81 switch (genimg_get_format((void *)addr
)) {
82 case IMAGE_FORMAT_LEGACY
:
84 printf("## Copying part %d from legacy image "
85 "at %08lx ...\n", part
, addr
);
87 hdr
= (image_header_t
*)addr
;
88 if (!image_check_magic(hdr
)) {
89 printf("Bad Magic Number\n");
93 if (!image_check_hcrc(hdr
)) {
94 printf("Bad Header Checksum\n");
98 image_print_contents(hdr
);
101 if (!image_check_type(hdr
, IH_TYPE_MULTI
)) {
102 printf("Wrong Image Type for %s command\n",
107 comp
= image_get_comp(hdr
);
108 if ((comp
!= IH_COMP_NONE
) && (argc
< 4)) {
109 printf("Must specify load address for %s command "
110 "with compressed image\n",
116 printf(" Verifying Checksum ... ");
117 if (!image_check_dcrc(hdr
)) {
118 printf("Bad Data CRC\n");
124 count
= image_multi_count(hdr
);
126 printf("Bad Image Part\n");
130 image_multi_getimg(hdr
, part
, &data
, &len
);
132 #if defined(CONFIG_FIT)
133 case IMAGE_FORMAT_FIT
:
135 puts("No FIT subimage unit name\n");
139 printf("## Copying '%s' subimage from FIT image "
140 "at %08lx ...\n", uname
, addr
);
142 fit_hdr
= (const void *)addr
;
143 if (!fit_check_format(fit_hdr
)) {
144 puts("Bad FIT image format\n");
148 /* get subimage node offset */
149 noffset
= fit_image_get_node(fit_hdr
, uname
);
151 printf("Can't find '%s' FIT subimage\n", uname
);
155 if (fit_image_check_comp(fit_hdr
, noffset
, IH_COMP_NONE
)
157 printf("Must specify load address for %s command "
158 "with compressed image\n",
163 /* verify integrity */
165 if (!fit_image_verify(fit_hdr
, noffset
)) {
166 puts("Bad Data Hash\n");
171 /* get subimage data address and length */
172 if (fit_image_get_data(fit_hdr
, noffset
,
173 &fit_data
, &fit_len
)) {
174 puts("Could not find script subimage data\n");
178 if (fit_image_get_comp(fit_hdr
, noffset
, &comp
)) {
179 puts("Could not find script subimage "
180 "compression type\n");
184 data
= (ulong
)fit_data
;
185 len
= (ulong
)fit_len
;
189 puts("Invalid image type for imxtract\n");
196 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
200 void *to
= (void *) dest
;
201 void *from
= (void *)data
;
203 printf(" Loading part %d ... ", part
);
206 tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
208 memmove(to
, from
, tail
);
214 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
215 printf(" Loading part %d ... ", part
);
216 memmove((char *) dest
, (char *)data
, len
);
217 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
221 printf(" Uncompressing part %d ... ", part
);
222 if (gunzip((void *) dest
, unc_len
,
223 (uchar
*) data
, &len
) != 0) {
224 puts("GUNZIP ERROR - image not loaded\n");
229 #if defined(CONFIG_BZIP2)
234 printf(" Uncompressing part %d ... ", part
);
236 * If we've got less than 4 MB of malloc()
237 * space, use slower decompression algorithm
238 * which requires at most 2300 KB of memory.
240 i
= BZ2_bzBuffToBuffDecompress(
241 (char *)ntohl(hdr
->ih_load
),
242 &unc_len
, (char *)data
, len
,
243 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024),
246 printf("BUNZIP2 ERROR %d - "
247 "image not loaded\n", i
);
252 #endif /* CONFIG_BZIP2 */
254 printf("Unimplemented compression type %d\n", comp
);
260 setenv_hex("fileaddr", data
);
261 setenv_hex("filesize", len
);
266 #ifdef CONFIG_SYS_LONGHELP
267 static char imgextract_help_text
[] =
269 " - extract <part> from legacy image at <addr> and copy to <dest>"
270 #if defined(CONFIG_FIT)
272 "addr uname [dest]\n"
273 " - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
279 imxtract
, 4, 1, do_imgextract
,
280 "extract a part of a multi-image", imgextract_help_text