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
;
43 #if defined(CONFIG_FIT)
48 ret
= boot_get_ramdisk (argc
, argv
, images
, IH_ARCH_I386
,
49 &initrd_start
, &initrd_end
);
53 if (images
->legacy_hdr_valid
) {
54 hdr
= images
->legacy_hdr_os
;
55 if (image_check_type (hdr
, IH_TYPE_MULTI
)) {
56 /* if multi-part image, we need to get first subimage */
57 image_multi_getimg (hdr
, 0, &os_data
, &os_len
);
59 /* otherwise get image data */
60 os_data
= image_get_data (hdr
);
61 os_len
= image_get_data_size (hdr
);
63 #if defined(CONFIG_FIT)
64 } else if (images
->fit_uname_os
) {
65 ret
= fit_image_get_data (images
->fit_hdr_os
,
66 images
->fit_noffset_os
, &data
, &len
);
68 puts ("Can't get image data/size!\n");
71 os_data
= (ulong
)data
;
75 puts ("Could not find kernel image!\n");
79 base_ptr
= load_zimage ((void*)os_data
, os_len
,
80 initrd_start
, initrd_end
- initrd_start
, 0);
82 if (NULL
== base_ptr
) {
83 printf ("## Kernel loading failed ...\n");
88 if (!images
->autostart
)
92 printf ("## Transferring control to Linux (at address %08x) ...\n",
96 /* we assume that the kernel is in place */
97 printf("\nStarting kernel ...\n\n");
99 boot_zimage(base_ptr
);
100 /* does not return */
104 if (images
->autostart
)
105 do_reset (cmdtp
, flag
, argc
, argv
);