avr32: use dlmalloc for DMA buffers
[oweals/u-boot.git] / common / 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 <watchdog.h>
19 #if defined(CONFIG_BZIP2)
20 #include <bzlib.h>
21 #endif
22 #include <asm/byteorder.h>
23 #include <asm/io.h>
24
25 #ifndef CONFIG_SYS_XIMG_LEN
26 /* use 8MByte as default max gunzip size */
27 #define CONFIG_SYS_XIMG_LEN     0x800000
28 #endif
29
30 static int
31 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
32 {
33         ulong           addr = load_addr;
34         ulong           dest = 0;
35         ulong           data, len;
36         int             verify;
37         int             part = 0;
38 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
39         ulong           count;
40         image_header_t  *hdr = NULL;
41 #endif
42 #if defined(CONFIG_FIT)
43         const char      *uname = NULL;
44         const void*     fit_hdr;
45         int             noffset;
46         const void      *fit_data;
47         size_t          fit_len;
48 #endif
49 #ifdef CONFIG_GZIP
50         uint            unc_len = CONFIG_SYS_XIMG_LEN;
51 #endif
52         uint8_t         comp;
53
54         verify = getenv_yesno("verify");
55
56         if (argc > 1) {
57                 addr = simple_strtoul(argv[1], NULL, 16);
58         }
59         if (argc > 2) {
60                 part = simple_strtoul(argv[2], NULL, 16);
61 #if defined(CONFIG_FIT)
62                 uname = argv[2];
63 #endif
64         }
65         if (argc > 3) {
66                 dest = simple_strtoul(argv[3], NULL, 16);
67         }
68
69         switch (genimg_get_format((void *)addr)) {
70 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
71         case IMAGE_FORMAT_LEGACY:
72
73                 printf("## Copying part %d from legacy image "
74                         "at %08lx ...\n", part, addr);
75
76                 hdr = (image_header_t *)addr;
77                 if (!image_check_magic(hdr)) {
78                         printf("Bad Magic Number\n");
79                         return 1;
80                 }
81
82                 if (!image_check_hcrc(hdr)) {
83                         printf("Bad Header Checksum\n");
84                         return 1;
85                 }
86 #ifdef DEBUG
87                 image_print_contents(hdr);
88 #endif
89
90                 if (!image_check_type(hdr, IH_TYPE_MULTI)) {
91                         printf("Wrong Image Type for %s command\n",
92                                         cmdtp->name);
93                         return 1;
94                 }
95
96                 comp = image_get_comp(hdr);
97                 if ((comp != IH_COMP_NONE) && (argc < 4)) {
98                         printf("Must specify load address for %s command "
99                                         "with compressed image\n",
100                                         cmdtp->name);
101                         return 1;
102                 }
103
104                 if (verify) {
105                         printf("   Verifying Checksum ... ");
106                         if (!image_check_dcrc(hdr)) {
107                                 printf("Bad Data CRC\n");
108                                 return 1;
109                         }
110                         printf("OK\n");
111                 }
112
113                 count = image_multi_count(hdr);
114                 if (part >= count) {
115                         printf("Bad Image Part\n");
116                         return 1;
117                 }
118
119                 image_multi_getimg(hdr, part, &data, &len);
120                 break;
121 #endif
122 #if defined(CONFIG_FIT)
123         case IMAGE_FORMAT_FIT:
124                 if (uname == NULL) {
125                         puts("No FIT subimage unit name\n");
126                         return 1;
127                 }
128
129                 printf("## Copying '%s' subimage from FIT image "
130                         "at %08lx ...\n", uname, addr);
131
132                 fit_hdr = (const void *)addr;
133                 if (!fit_check_format(fit_hdr)) {
134                         puts("Bad FIT image format\n");
135                         return 1;
136                 }
137
138                 /* get subimage node offset */
139                 noffset = fit_image_get_node(fit_hdr, uname);
140                 if (noffset < 0) {
141                         printf("Can't find '%s' FIT subimage\n", uname);
142                         return 1;
143                 }
144
145                 if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
146                     && (argc < 4)) {
147                         printf("Must specify load address for %s command "
148                                 "with compressed image\n",
149                                 cmdtp->name);
150                         return 1;
151                 }
152
153                 /* verify integrity */
154                 if (verify) {
155                         if (!fit_image_verify(fit_hdr, noffset)) {
156                                 puts("Bad Data Hash\n");
157                                 return 1;
158                         }
159                 }
160
161                 /* get subimage data address and length */
162                 if (fit_image_get_data(fit_hdr, noffset,
163                                         &fit_data, &fit_len)) {
164                         puts("Could not find script subimage data\n");
165                         return 1;
166                 }
167
168                 if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
169                         puts("Could not find script subimage "
170                                 "compression type\n");
171                         return 1;
172                 }
173
174                 data = (ulong)fit_data;
175                 len = (ulong)fit_len;
176                 break;
177 #endif
178         default:
179                 puts("Invalid image type for imxtract\n");
180                 return 1;
181         }
182
183         if (argc > 3) {
184                 switch (comp) {
185                 case IH_COMP_NONE:
186 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
187                         {
188                                 size_t l = len;
189                                 size_t tail;
190                                 void *to = (void *) dest;
191                                 void *from = (void *)data;
192
193                                 printf("   Loading part %d ... ", part);
194
195                                 while (l > 0) {
196                                         tail = (l > CHUNKSZ) ? CHUNKSZ : l;
197                                         WATCHDOG_RESET();
198                                         memmove(to, from, tail);
199                                         to += tail;
200                                         from += tail;
201                                         l -= tail;
202                                 }
203                         }
204 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
205                         printf("   Loading part %d ... ", part);
206                         memmove((char *) dest, (char *)data, len);
207 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
208                         break;
209 #ifdef CONFIG_GZIP
210                 case IH_COMP_GZIP:
211                         printf("   Uncompressing part %d ... ", part);
212                         if (gunzip((void *) dest, unc_len,
213                                    (uchar *) data, &len) != 0) {
214                                 puts("GUNZIP ERROR - image not loaded\n");
215                                 return 1;
216                         }
217                         break;
218 #endif
219 #if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
220                 case IH_COMP_BZIP2:
221                         {
222                                 int i;
223
224                                 printf("   Uncompressing part %d ... ", part);
225                                 /*
226                                  * If we've got less than 4 MB of malloc()
227                                  * space, use slower decompression algorithm
228                                  * which requires at most 2300 KB of memory.
229                                  */
230                                 i = BZ2_bzBuffToBuffDecompress(
231                                         map_sysmem(ntohl(hdr->ih_load), 0),
232                                         &unc_len, (char *)data, len,
233                                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
234                                         0);
235                                 if (i != BZ_OK) {
236                                         printf("BUNZIP2 ERROR %d - "
237                                                 "image not loaded\n", i);
238                                         return 1;
239                                 }
240                         }
241                         break;
242 #endif /* CONFIG_BZIP2 */
243                 default:
244                         printf("Unimplemented compression type %d\n", comp);
245                         return 1;
246                 }
247                 puts("OK\n");
248         }
249
250         flush_cache(dest, len);
251
252         setenv_hex("fileaddr", data);
253         setenv_hex("filesize", len);
254
255         return 0;
256 }
257
258 #ifdef CONFIG_SYS_LONGHELP
259 static char imgextract_help_text[] =
260         "addr part [dest]\n"
261         "    - extract <part> from legacy image at <addr> and copy to <dest>"
262 #if defined(CONFIG_FIT)
263         "\n"
264         "addr uname [dest]\n"
265         "    - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
266 #endif
267         "";
268 #endif
269
270 U_BOOT_CMD(
271         imxtract, 4, 1, do_imgextract,
272         "extract a part of a multi-image", imgextract_help_text
273 );