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2262cfee WD |
1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
4 | * Marius Groeger <mgroeger@sysgo.de> | |
5 | * | |
6 | * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <command.h> | |
2262cfee | 26 | #include <image.h> |
a31e091a | 27 | #include <u-boot/zlib.h> |
2262cfee WD |
28 | #include <asm/byteorder.h> |
29 | #include <asm/zimage.h> | |
30 | ||
8bde7f77 | 31 | /*cmd_boot.c*/ |
40d7e99d | 32 | int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) |
2262cfee | 33 | { |
d5934ad7 MB |
34 | void *base_ptr; |
35 | ulong os_data, os_len; | |
d5934ad7 | 36 | image_header_t *hdr; |
3ef96ded | 37 | |
cd7c596e MB |
38 | #if defined(CONFIG_FIT) |
39 | const void *data; | |
40 | size_t len; | |
41 | #endif | |
8bde7f77 | 42 | |
49c3a861 KG |
43 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
44 | return 1; | |
45 | ||
d5934ad7 MB |
46 | if (images->legacy_hdr_valid) { |
47 | hdr = images->legacy_hdr_os; | |
48 | if (image_check_type (hdr, IH_TYPE_MULTI)) { | |
49 | /* if multi-part image, we need to get first subimage */ | |
50 | image_multi_getimg (hdr, 0, &os_data, &os_len); | |
51 | } else { | |
52 | /* otherwise get image data */ | |
53 | os_data = image_get_data (hdr); | |
54 | os_len = image_get_data_size (hdr); | |
55 | } | |
56 | #if defined(CONFIG_FIT) | |
57 | } else if (images->fit_uname_os) { | |
cd7c596e MB |
58 | ret = fit_image_get_data (images->fit_hdr_os, |
59 | images->fit_noffset_os, &data, &len); | |
60 | if (ret) { | |
61 | puts ("Can't get image data/size!\n"); | |
62 | goto error; | |
63 | } | |
64 | os_data = (ulong)data; | |
65 | os_len = (ulong)len; | |
d5934ad7 | 66 | #endif |
f13e7b2e | 67 | } else { |
d5934ad7 | 68 | puts ("Could not find kernel image!\n"); |
cd7c596e | 69 | goto error; |
e644670b WD |
70 | } |
71 | ||
f13e7b2e | 72 | base_ptr = load_zimage ((void*)os_data, os_len, |
c4f9419c | 73 | images->rd_start, images->rd_end - images->rd_start, 0); |
2262cfee WD |
74 | |
75 | if (NULL == base_ptr) { | |
76 | printf ("## Kernel loading failed ...\n"); | |
cd7c596e | 77 | goto error; |
8bde7f77 | 78 | |
2262cfee | 79 | } |
8bde7f77 | 80 | |
2262cfee WD |
81 | #ifdef DEBUG |
82 | printf ("## Transferring control to Linux (at address %08x) ...\n", | |
83 | (u32)base_ptr); | |
84 | #endif | |
8bde7f77 | 85 | |
2262cfee WD |
86 | /* we assume that the kernel is in place */ |
87 | printf("\nStarting kernel ...\n\n"); | |
2262cfee | 88 | |
8bde7f77 | 89 | boot_zimage(base_ptr); |
cd7c596e | 90 | /* does not return */ |
2262cfee | 91 | |
cd7c596e | 92 | error: |
40d7e99d | 93 | return 1; |
8bde7f77 | 94 | } |