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48abe7bf WD |
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 | ||
fd9bcaa3 | 27 | #if defined(CONFIG_CMD_XIMG) |
48abe7bf WD |
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; | |
b97a2a0a | 41 | ulong data, len; |
48abe7bf WD |
42 | ulong *len_ptr; |
43 | int i, verify, part = 0; | |
44 | char pbuf[10], *s; | |
b97a2a0a | 45 | image_header_t *hdr; |
48abe7bf | 46 | |
b97a2a0a | 47 | verify = getenv_verify (); |
48abe7bf WD |
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 | printf("## Copying from image at %08lx ...\n", addr); | |
60 | ||
b97a2a0a | 61 | hdr = (image_header_t *)addr; |
48abe7bf | 62 | |
b97a2a0a | 63 | if (!image_check_magic (hdr)) { |
48abe7bf WD |
64 | printf("Bad Magic Number\n"); |
65 | return 1; | |
66 | } | |
67 | ||
b97a2a0a | 68 | if (!image_check_hcrc (hdr)) { |
48abe7bf WD |
69 | printf("Bad Header Checksum\n"); |
70 | return 1; | |
71 | } | |
72 | #ifdef DEBUG | |
2242f536 | 73 | image_print_contents (hdr); |
48abe7bf WD |
74 | #endif |
75 | ||
b97a2a0a | 76 | if (!image_check_type (hdr, IH_TYPE_MULTI)) { |
48abe7bf WD |
77 | printf("Wrong Image Type for %s command\n", cmdtp->name); |
78 | return 1; | |
79 | } | |
80 | ||
b97a2a0a | 81 | if (image_get_comp (hdr) != IH_COMP_NONE) { |
48abe7bf WD |
82 | printf("Wrong Compression Type for %s command\n", cmdtp->name); |
83 | return 1; | |
84 | } | |
85 | ||
86 | if (verify) { | |
87 | printf(" Verifying Checksum ... "); | |
b97a2a0a | 88 | if (!image_check_dcrc (hdr)) { |
48abe7bf WD |
89 | printf("Bad Data CRC\n"); |
90 | return 1; | |
91 | } | |
92 | printf("OK\n"); | |
93 | } | |
94 | ||
b97a2a0a | 95 | data = image_get_data (hdr); |
48abe7bf WD |
96 | len_ptr = (ulong *) data; |
97 | ||
98 | data += 4; /* terminator */ | |
99 | for (i = 0; len_ptr[i]; ++i) { | |
100 | data += 4; | |
101 | if (argc > 2 && part > i) { | |
102 | u_long tail; | |
b97a2a0a | 103 | len = image_to_cpu (len_ptr[i]); |
48abe7bf WD |
104 | tail = len % 4; |
105 | data += len; | |
106 | if (tail) { | |
107 | data += 4 - tail; | |
108 | } | |
109 | } | |
110 | } | |
111 | if (argc > 2 && part >= i) { | |
112 | printf("Bad Image Part\n"); | |
113 | return 1; | |
114 | } | |
b97a2a0a | 115 | len = image_to_cpu (len_ptr[part]); |
48abe7bf WD |
116 | |
117 | if (argc > 3) { | |
118 | memcpy((char *) dest, (char *) data, len); | |
119 | } | |
120 | ||
121 | sprintf(pbuf, "%8lx", data); | |
122 | setenv("fileaddr", pbuf); | |
123 | sprintf(pbuf, "%8lx", len); | |
124 | setenv("filesize", pbuf); | |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
129 | U_BOOT_CMD(imxtract, 4, 1, do_imgextract, | |
130 | "imxtract- extract a part of a multi-image\n", | |
131 | "addr part [dest]\n" | |
132 | " - extract <part> from image at <addr> and copy to <dest>\n"); | |
133 | ||
fd9bcaa3 | 134 | #endif |