]>
git.ipfire.org Git - people/ms/u-boot.git/blob - lib_i386/bootm.c
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
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.
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.
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
28 #include <asm/byteorder.h>
29 #include <asm/zimage.h>
32 extern int do_reset (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
34 void do_bootm_linux(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
35 bootm_headers_t
*images
)
38 ulong os_data
, os_len
;
39 ulong initrd_start
, initrd_end
;
42 #if defined(CONFIG_FIT)
47 ret
= boot_get_ramdisk (argc
, argv
, images
, IH_ARCH_I386
,
48 &initrd_start
, &initrd_end
);
52 if (images
->legacy_hdr_valid
) {
53 hdr
= images
->legacy_hdr_os
;
54 if (image_check_type (hdr
, IH_TYPE_MULTI
)) {
55 /* if multi-part image, we need to get first subimage */
56 image_multi_getimg (hdr
, 0, &os_data
, &os_len
);
58 /* otherwise get image data */
59 os_data
= image_get_data (hdr
);
60 os_len
= image_get_data_size (hdr
);
62 #if defined(CONFIG_FIT)
63 } else if (images
->fit_uname_os
) {
64 ret
= fit_image_get_data (images
->fit_hdr_os
,
65 images
->fit_noffset_os
, &data
, &len
);
67 puts ("Can't get image data/size!\n");
70 os_data
= (ulong
)data
;
74 puts ("Could not find kernel image!\n");
78 base_ptr
= load_zimage ((void*)os_data
, os_len
,
79 initrd_start
, initrd_end
- initrd_start
, 0);
81 if (NULL
== base_ptr
) {
82 printf ("## Kernel loading failed ...\n");
87 if (!images
->autostart
)
91 printf ("## Transferring control to Linux (at address %08x) ...\n",
95 /* we assume that the kernel is in place */
96 printf("\nStarting kernel ...\n\n");
98 boot_zimage(base_ptr
);
103 if (images
->autostart
)
104 do_reset (cmdtp
, flag
, argc
, argv
);