Merge git://git.denx.de/u-boot-fsl-qoriq
[platform/kernel/u-boot.git] / cmd / ximg.c
1 /*
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  * SPDX-License-Identifier:     GPL-2.0+
9  */
10
11
12 /*
13  * Multi Image extract
14  */
15 #include <common.h>
16 #include <command.h>
17 #include <image.h>
18 #include <mapmem.h>
19 #include <watchdog.h>
20 #if defined(CONFIG_BZIP2)
21 #include <bzlib.h>
22 #endif
23 #include <asm/byteorder.h>
24 #include <asm/io.h>
25
26 #ifndef CONFIG_SYS_XIMG_LEN
27 /* use 8MByte as default max gunzip size */
28 #define CONFIG_SYS_XIMG_LEN     0x800000
29 #endif
30
31 static int
32 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
33 {
34         ulong           addr = load_addr;
35         ulong           dest = 0;
36         ulong           data, len;
37         int             verify;
38         int             part = 0;
39 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
40         ulong           count;
41         image_header_t  *hdr = NULL;
42 #endif
43 #if defined(CONFIG_FIT)
44         const char      *uname = NULL;
45         const void*     fit_hdr;
46         int             noffset;
47         const void      *fit_data;
48         size_t          fit_len;
49 #endif
50 #ifdef CONFIG_GZIP
51         uint            unc_len = CONFIG_SYS_XIMG_LEN;
52 #endif
53         uint8_t         comp;
54
55         verify = getenv_yesno("verify");
56
57         if (argc > 1) {
58                 addr = simple_strtoul(argv[1], NULL, 16);
59         }
60         if (argc > 2) {
61                 part = simple_strtoul(argv[2], NULL, 16);
62 #if defined(CONFIG_FIT)
63                 uname = argv[2];
64 #endif
65         }
66         if (argc > 3) {
67                 dest = simple_strtoul(argv[3], NULL, 16);
68         }
69
70         switch (genimg_get_format((void *)addr)) {
71 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
72         case IMAGE_FORMAT_LEGACY:
73
74                 printf("## Copying part %d from legacy image "
75                         "at %08lx ...\n", part, addr);
76
77                 hdr = (image_header_t *)addr;
78                 if (!image_check_magic(hdr)) {
79                         printf("Bad Magic Number\n");
80                         return 1;
81                 }
82
83                 if (!image_check_hcrc(hdr)) {
84                         printf("Bad Header Checksum\n");
85                         return 1;
86                 }
87 #ifdef DEBUG
88                 image_print_contents(hdr);
89 #endif
90
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",
94                                         cmdtp->name);
95                         return 1;
96                 }
97
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",
102                                         cmdtp->name);
103                         return 1;
104                 }
105
106                 if (verify) {
107                         printf("   Verifying Checksum ... ");
108                         if (!image_check_dcrc(hdr)) {
109                                 printf("Bad Data CRC\n");
110                                 return 1;
111                         }
112                         printf("OK\n");
113                 }
114
115                 count = image_multi_count(hdr);
116                 if (part >= count) {
117                         printf("Bad Image Part\n");
118                         return 1;
119                 }
120
121                 image_multi_getimg(hdr, part, &data, &len);
122                 break;
123 #endif
124 #if defined(CONFIG_FIT)
125         case IMAGE_FORMAT_FIT:
126                 if (uname == NULL) {
127                         puts("No FIT subimage unit name\n");
128                         return 1;
129                 }
130
131                 printf("## Copying '%s' subimage from FIT image "
132                         "at %08lx ...\n", uname, addr);
133
134                 fit_hdr = (const void *)addr;
135                 if (!fit_check_format(fit_hdr)) {
136                         puts("Bad FIT image format\n");
137                         return 1;
138                 }
139
140                 /* get subimage node offset */
141                 noffset = fit_image_get_node(fit_hdr, uname);
142                 if (noffset < 0) {
143                         printf("Can't find '%s' FIT subimage\n", uname);
144                         return 1;
145                 }
146
147                 if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
148                     && (argc < 4)) {
149                         printf("Must specify load address for %s command "
150                                 "with compressed image\n",
151                                 cmdtp->name);
152                         return 1;
153                 }
154
155                 /* verify integrity */
156                 if (verify) {
157                         if (!fit_image_verify(fit_hdr, noffset)) {
158                                 puts("Bad Data Hash\n");
159                                 return 1;
160                         }
161                 }
162
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");
167                         return 1;
168                 }
169
170                 if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
171                         puts("Could not find script subimage "
172                                 "compression type\n");
173                         return 1;
174                 }
175
176                 data = (ulong)fit_data;
177                 len = (ulong)fit_len;
178                 break;
179 #endif
180         default:
181                 puts("Invalid image type for imxtract\n");
182                 return 1;
183         }
184
185         if (argc > 3) {
186                 switch (comp) {
187                 case IH_COMP_NONE:
188 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
189                         {
190                                 size_t l = len;
191                                 size_t tail;
192                                 void *to = (void *) dest;
193                                 void *from = (void *)data;
194
195                                 printf("   Loading part %d ... ", part);
196
197                                 while (l > 0) {
198                                         tail = (l > CHUNKSZ) ? CHUNKSZ : l;
199                                         WATCHDOG_RESET();
200                                         memmove(to, from, tail);
201                                         to += tail;
202                                         from += tail;
203                                         l -= tail;
204                                 }
205                         }
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 */
210                         break;
211 #ifdef CONFIG_GZIP
212                 case IH_COMP_GZIP:
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");
217                                 return 1;
218                         }
219                         break;
220 #endif
221 #if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
222                 case IH_COMP_BZIP2:
223                         {
224                                 int i;
225
226                                 printf("   Uncompressing part %d ... ", part);
227                                 /*
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.
231                                  */
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),
236                                         0);
237                                 if (i != BZ_OK) {
238                                         printf("BUNZIP2 ERROR %d - "
239                                                 "image not loaded\n", i);
240                                         return 1;
241                                 }
242                         }
243                         break;
244 #endif /* CONFIG_BZIP2 */
245                 default:
246                         printf("Unimplemented compression type %d\n", comp);
247                         return 1;
248                 }
249                 puts("OK\n");
250         }
251
252         flush_cache(dest, len);
253
254         setenv_hex("fileaddr", data);
255         setenv_hex("filesize", len);
256
257         return 0;
258 }
259
260 #ifdef CONFIG_SYS_LONGHELP
261 static char imgextract_help_text[] =
262         "addr part [dest]\n"
263         "    - extract <part> from legacy image at <addr> and copy to <dest>"
264 #if defined(CONFIG_FIT)
265         "\n"
266         "addr uname [dest]\n"
267         "    - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
268 #endif
269         "";
270 #endif
271
272 U_BOOT_CMD(
273         imxtract, 4, 1, do_imgextract,
274         "extract a part of a multi-image", imgextract_help_text
275 );