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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 WD |
26 | #include <image.h> |
27 | #include <zlib.h> | |
28 | #include <asm/byteorder.h> | |
29 | #include <asm/zimage.h> | |
30 | ||
8bde7f77 WD |
31 | /*cmd_boot.c*/ |
32 | extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
2262cfee | 33 | |
2262cfee | 34 | void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], |
f13e7b2e | 35 | image_header_t *hdr, int verify) |
2262cfee | 36 | { |
ea909b76 | 37 | void *base_ptr; |
8bde7f77 | 38 | |
f13e7b2e | 39 | ulong os_data, os_len; |
2262cfee | 40 | ulong initrd_start, initrd_end; |
8bde7f77 | 41 | |
5ad03eb3 MB |
42 | get_ramdisk (cmdtp, flag, argc, argv, hdr, verify, |
43 | IH_ARCH_I386, &initrd_start, &initrd_end); | |
8bde7f77 | 44 | |
e644670b | 45 | /* if multi-part image, we need to advance base ptr */ |
f13e7b2e MB |
46 | if (image_check_type (hdr, IH_TYPE_MULTI)) { |
47 | image_multi_getimg (hdr, 0, &os_data, &os_len); | |
48 | } else { | |
49 | os_data = image_get_data (hdr); | |
50 | os_len = image_get_data_size (hdr); | |
e644670b WD |
51 | } |
52 | ||
f13e7b2e | 53 | base_ptr = load_zimage ((void*)os_data, os_len, |
5ad03eb3 | 54 | initrd_start, initrd_end - initrd_start, 0); |
2262cfee WD |
55 | |
56 | if (NULL == base_ptr) { | |
57 | printf ("## Kernel loading failed ...\n"); | |
58 | do_reset(cmdtp, flag, argc, argv); | |
8bde7f77 | 59 | |
2262cfee | 60 | } |
8bde7f77 | 61 | |
2262cfee WD |
62 | #ifdef DEBUG |
63 | printf ("## Transferring control to Linux (at address %08x) ...\n", | |
64 | (u32)base_ptr); | |
65 | #endif | |
8bde7f77 | 66 | |
2262cfee WD |
67 | /* we assume that the kernel is in place */ |
68 | printf("\nStarting kernel ...\n\n"); | |
2262cfee | 69 | |
8bde7f77 | 70 | boot_zimage(base_ptr); |
2262cfee | 71 | |
8bde7f77 | 72 | } |