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[new uImage] Update naming convention for bootm/uImage related code
[karo-tx-uboot.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  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
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.
15  *
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.
20  *
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,
24  * MA 02111-1307 USA
25  */
26
27 #if defined(CONFIG_CMD_XIMG)
28
29 /*
30  * Multi Image extract
31  */
32 #include <common.h>
33 #include <command.h>
34 #include <image.h>
35 #include <asm/byteorder.h>
36
37 int
38 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
39 {
40         ulong addr = load_addr, dest = 0;
41         ulong data, len;
42         ulong *len_ptr;
43         int i, verify, part = 0;
44         char pbuf[10], *s;
45         image_header_t *hdr;
46
47         verify = getenv_verify ();
48
49         if (argc > 1) {
50                 addr = simple_strtoul(argv[1], NULL, 16);
51         }
52         if (argc > 2) {
53                 part = simple_strtoul(argv[2], NULL, 16);
54         }
55         if (argc > 3) {
56                 dest = simple_strtoul(argv[3], NULL, 16);
57         }
58
59
60         switch (genimg_get_format ((void *)addr)) {
61         case IMAGE_FORMAT_LEGACY:
62
63                 printf("## Copying from legacy image at %08lx ...\n", addr);
64                 hdr = (image_header_t *)addr;
65                 if (!image_check_magic (hdr)) {
66                         printf("Bad Magic Number\n");
67                         return 1;
68                 }
69
70                 if (!image_check_hcrc (hdr)) {
71                         printf("Bad Header Checksum\n");
72                         return 1;
73                 }
74         #ifdef DEBUG
75                 image_print_contents (hdr);
76         #endif
77
78                 if (!image_check_type (hdr, IH_TYPE_MULTI)) {
79                         printf("Wrong Image Type for %s command\n",
80                                         cmdtp->name);
81                         return 1;
82                 }
83
84                 if (image_get_comp (hdr) != IH_COMP_NONE) {
85                         printf("Wrong Compression Type for %s command\n",
86                                         cmdtp->name);
87                         return 1;
88                 }
89
90                 if (verify) {
91                         printf("   Verifying Checksum ... ");
92                         if (!image_check_dcrc (hdr)) {
93                                 printf("Bad Data CRC\n");
94                                 return 1;
95                         }
96                         printf("OK\n");
97                 }
98
99                 data = image_get_data (hdr);
100                 len_ptr = (ulong *) data;
101
102                 data += 4;              /* terminator */
103                 for (i = 0; len_ptr[i]; ++i) {
104                         data += 4;
105                         if (argc > 2 && part > i) {
106                                 u_long tail;
107                                 len = uimage_to_cpu (len_ptr[i]);
108                                 tail = len % 4;
109                                 data += len;
110                                 if (tail) {
111                                         data += 4 - tail;
112                                 }
113                         }
114                 }
115                 if (argc > 2 && part >= i) {
116                         printf("Bad Image Part\n");
117                         return 1;
118                 }
119                 len = uimage_to_cpu (len_ptr[part]);
120 #if defined(CONFIG_FIT)
121         case IMAGE_FORMAT_FIT:
122                 fit_unsupported ("imxtract");
123                 return 1;
124 #endif
125         default:
126                 puts ("Invalid image type for imxtract\n");
127                 return 1;
128         }
129
130         if (argc > 3) {
131                 memcpy((char *) dest, (char *) data, len);
132         }
133
134         sprintf(pbuf, "%8lx", data);
135         setenv("fileaddr", pbuf);
136         sprintf(pbuf, "%8lx", len);
137         setenv("filesize", pbuf);
138
139         return 0;
140 }
141
142 U_BOOT_CMD(imxtract, 4, 1, do_imgextract,
143            "imxtract- extract a part of a multi-image\n",
144            "addr part [dest]\n"
145            "    - extract <part> from image at <addr> and copy to <dest>\n");
146
147 #endif