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git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/ximg.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2004
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de>
23 #if defined(CONFIG_BZIP2)
26 #include <asm/byteorder.h>
27 #include <asm/cache.h>
30 #ifndef CONFIG_SYS_XIMG_LEN
31 /* use 8MByte as default max gunzip size */
32 #define CONFIG_SYS_XIMG_LEN 0x800000
36 do_imgextract(struct cmd_tbl
*cmdtp
, int flag
, int argc
, char *const argv
[])
38 ulong addr
= image_load_addr
;
43 #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
45 image_header_t
*hdr
= NULL
;
47 #if defined(CONFIG_FIT)
48 const char *uname
= NULL
;
55 uint unc_len
= CONFIG_SYS_XIMG_LEN
;
59 verify
= env_get_yesno("verify");
62 addr
= hextoul(argv
[1], NULL
);
65 part
= hextoul(argv
[2], NULL
);
66 #if defined(CONFIG_FIT)
71 dest
= hextoul(argv
[3], NULL
);
74 switch (genimg_get_format((void *)addr
)) {
75 #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
76 case IMAGE_FORMAT_LEGACY
:
78 printf("## Copying part %d from legacy image "
79 "at %08lx ...\n", part
, addr
);
81 hdr
= (image_header_t
*)addr
;
82 if (!image_check_magic(hdr
)) {
83 printf("Bad Magic Number\n");
87 if (!image_check_hcrc(hdr
)) {
88 printf("Bad Header Checksum\n");
92 image_print_contents(hdr
);
95 if (!image_check_type(hdr
, IH_TYPE_MULTI
) &&
96 !image_check_type(hdr
, IH_TYPE_SCRIPT
)) {
97 printf("Wrong Image Type for %s command\n",
102 comp
= image_get_comp(hdr
);
103 if ((comp
!= IH_COMP_NONE
) && (argc
< 4)) {
104 printf("Must specify load address for %s command "
105 "with compressed image\n",
111 printf(" Verifying Checksum ... ");
112 if (!image_check_dcrc(hdr
)) {
113 printf("Bad Data CRC\n");
119 count
= image_multi_count(hdr
);
121 printf("Bad Image Part\n");
125 image_multi_getimg(hdr
, part
, &data
, &len
);
128 #if defined(CONFIG_FIT)
129 case IMAGE_FORMAT_FIT
:
131 puts("No FIT subimage unit name\n");
135 printf("## Copying '%s' subimage from FIT image "
136 "at %08lx ...\n", uname
, addr
);
138 fit_hdr
= (const void *)addr
;
139 if (fit_check_format(fit_hdr
, IMAGE_SIZE_INVAL
)) {
140 puts("Bad FIT image format\n");
144 /* get subimage node offset */
145 noffset
= fit_image_get_node(fit_hdr
, uname
);
147 printf("Can't find '%s' FIT subimage\n", uname
);
151 if (!fit_image_check_comp(fit_hdr
, noffset
, IH_COMP_NONE
)
153 printf("Must specify load address for %s command "
154 "with compressed image\n",
159 /* verify integrity */
161 if (!fit_image_verify(fit_hdr
, noffset
)) {
162 puts("Bad Data Hash\n");
167 /* get subimage/external data address and length */
168 if (fit_image_get_data_and_size(fit_hdr
, noffset
,
169 &fit_data
, &fit_len
)) {
170 puts("Could not find script subimage data\n");
174 if (fit_image_get_comp(fit_hdr
, noffset
, &comp
))
177 data
= (ulong
)fit_data
;
178 len
= (ulong
)fit_len
;
182 puts("Invalid image type for imxtract\n");
189 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
193 void *to
= (void *) dest
;
194 void *from
= (void *)data
;
196 printf(" Loading part %d ... ", part
);
199 tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
201 memmove(to
, from
, tail
);
207 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
208 printf(" Loading part %d ... ", part
);
209 memmove((char *) dest
, (char *)data
, len
);
210 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
214 printf(" Uncompressing part %d ... ", part
);
215 if (gunzip((void *) dest
, unc_len
,
216 (uchar
*) data
, &len
) != 0) {
217 puts("GUNZIP ERROR - image not loaded\n");
222 #if defined(CONFIG_BZIP2) && defined(CONFIG_LEGACY_IMAGE_FORMAT)
227 printf(" Uncompressing part %d ... ", part
);
229 * If we've got less than 4 MB of malloc()
230 * space, use slower decompression algorithm
231 * which requires at most 2300 KB of memory.
233 i
= BZ2_bzBuffToBuffDecompress(
234 map_sysmem(ntohl(hdr
->ih_load
), 0),
235 &unc_len
, (char *)data
, len
,
236 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024),
239 printf("BUNZIP2 ERROR %d - "
240 "image not loaded\n", i
);
245 #endif /* CONFIG_BZIP2 */
247 printf("Unimplemented compression type %d\n", comp
);
253 flush_cache(dest
, ALIGN(len
, ARCH_DMA_MINALIGN
));
255 env_set_hex("fileaddr", data
);
256 env_set_hex("filesize", len
);
261 #ifdef CONFIG_SYS_LONGHELP
262 static char imgextract_help_text
[] =
264 " - extract <part> from legacy image at <addr> and copy to <dest>"
265 #if defined(CONFIG_FIT)
267 "addr uname [dest]\n"
268 " - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
274 imxtract
, 4, 1, do_imgextract
,
275 "extract a part of a multi-image", imgextract_help_text