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git.ipfire.org Git - people/ms/u-boot.git/blob - 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 * SPDX-License-Identifier: GPL-2.0+
20 #if defined(CONFIG_BZIP2)
23 #include <asm/byteorder.h>
26 #ifndef CONFIG_SYS_XIMG_LEN
27 /* use 8MByte as default max gunzip size */
28 #define CONFIG_SYS_XIMG_LEN 0x800000
32 do_imgextract(cmd_tbl_t
* cmdtp
, int flag
, int argc
, char * const argv
[])
34 ulong addr
= load_addr
;
39 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
41 image_header_t
*hdr
= NULL
;
43 #if defined(CONFIG_FIT)
44 const char *uname
= NULL
;
51 uint unc_len
= CONFIG_SYS_XIMG_LEN
;
55 verify
= getenv_yesno("verify");
58 addr
= simple_strtoul(argv
[1], NULL
, 16);
61 part
= simple_strtoul(argv
[2], NULL
, 16);
62 #if defined(CONFIG_FIT)
67 dest
= simple_strtoul(argv
[3], NULL
, 16);
70 switch (genimg_get_format((void *)addr
)) {
71 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
72 case IMAGE_FORMAT_LEGACY
:
74 printf("## Copying part %d from legacy image "
75 "at %08lx ...\n", part
, addr
);
77 hdr
= (image_header_t
*)addr
;
78 if (!image_check_magic(hdr
)) {
79 printf("Bad Magic Number\n");
83 if (!image_check_hcrc(hdr
)) {
84 printf("Bad Header Checksum\n");
88 image_print_contents(hdr
);
91 if (!image_check_type(hdr
, IH_TYPE_MULTI
) &&
92 !image_check_type(hdr
, IH_TYPE_SCRIPT
)) {
93 printf("Wrong Image Type for %s command\n",
98 comp
= image_get_comp(hdr
);
99 if ((comp
!= IH_COMP_NONE
) && (argc
< 4)) {
100 printf("Must specify load address for %s command "
101 "with compressed image\n",
107 printf(" Verifying Checksum ... ");
108 if (!image_check_dcrc(hdr
)) {
109 printf("Bad Data CRC\n");
115 count
= image_multi_count(hdr
);
117 printf("Bad Image Part\n");
121 image_multi_getimg(hdr
, part
, &data
, &len
);
124 #if defined(CONFIG_FIT)
125 case IMAGE_FORMAT_FIT
:
127 puts("No FIT subimage unit name\n");
131 printf("## Copying '%s' subimage from FIT image "
132 "at %08lx ...\n", uname
, addr
);
134 fit_hdr
= (const void *)addr
;
135 if (!fit_check_format(fit_hdr
)) {
136 puts("Bad FIT image format\n");
140 /* get subimage node offset */
141 noffset
= fit_image_get_node(fit_hdr
, uname
);
143 printf("Can't find '%s' FIT subimage\n", uname
);
147 if (fit_image_check_comp(fit_hdr
, noffset
, IH_COMP_NONE
)
149 printf("Must specify load address for %s command "
150 "with compressed image\n",
155 /* verify integrity */
157 if (!fit_image_verify(fit_hdr
, noffset
)) {
158 puts("Bad Data Hash\n");
163 /* get subimage data address and length */
164 if (fit_image_get_data(fit_hdr
, noffset
,
165 &fit_data
, &fit_len
)) {
166 puts("Could not find script subimage data\n");
170 if (fit_image_get_comp(fit_hdr
, noffset
, &comp
)) {
171 puts("Could not find script subimage "
172 "compression type\n");
176 data
= (ulong
)fit_data
;
177 len
= (ulong
)fit_len
;
181 puts("Invalid image type for imxtract\n");
188 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
192 void *to
= (void *) dest
;
193 void *from
= (void *)data
;
195 printf(" Loading part %d ... ", part
);
198 tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
200 memmove(to
, from
, tail
);
206 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
207 printf(" Loading part %d ... ", part
);
208 memmove((char *) dest
, (char *)data
, len
);
209 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
213 printf(" Uncompressing part %d ... ", part
);
214 if (gunzip((void *) dest
, unc_len
,
215 (uchar
*) data
, &len
) != 0) {
216 puts("GUNZIP ERROR - image not loaded\n");
221 #if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
226 printf(" Uncompressing part %d ... ", part
);
228 * If we've got less than 4 MB of malloc()
229 * space, use slower decompression algorithm
230 * which requires at most 2300 KB of memory.
232 i
= BZ2_bzBuffToBuffDecompress(
233 map_sysmem(ntohl(hdr
->ih_load
), 0),
234 &unc_len
, (char *)data
, len
,
235 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024),
238 printf("BUNZIP2 ERROR %d - "
239 "image not loaded\n", i
);
244 #endif /* CONFIG_BZIP2 */
246 printf("Unimplemented compression type %d\n", comp
);
252 flush_cache(dest
, len
);
254 setenv_hex("fileaddr", data
);
255 setenv_hex("filesize", len
);
260 #ifdef CONFIG_SYS_LONGHELP
261 static char imgextract_help_text
[] =
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>"
273 imxtract
, 4, 1, do_imgextract
,
274 "extract a part of a multi-image", imgextract_help_text