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 get_ramdisk (cmdtp, flag, argc, argv, images,
44 IH_ARCH_I386, &initrd_start, &initrd_end);
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);
52 /* otherwise get image data */
53 os_data = image_get_data (hdr);
54 os_len = image_get_data_size (hdr);
56 #if defined(CONFIG_FIT)
57 } else if (images->fit_uname_os) {
58 fit_unsupported_reset ("I386 linux bootm");
59 do_reset (cmdtp, flag, argc, argv);
62 puts ("Could not find kernel image!\n");
63 do_reset (cmdtp, flag, argc, argv);
66 base_ptr = load_zimage ((void*)os_data, os_len,
67 initrd_start, initrd_end - initrd_start, 0);
69 if (NULL == base_ptr) {
70 printf ("## Kernel loading failed ...\n");
71 do_reset(cmdtp, flag, argc, argv);
75 if (!images->autostart)
79 printf ("## Transferring control to Linux (at address %08x) ...\n",
83 /* we assume that the kernel is in place */
84 printf("\nStarting kernel ...\n\n");
86 boot_zimage(base_ptr);