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 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <u-boot/zlib.h>
31 #include <asm/bootparam.h>
32 #include <asm/byteorder.h>
33 #include <asm/zimage.h>
35 #define COMMAND_LINE_OFFSET 0x9000
38 int do_bootm_linux(int flag, int argc, char * const argv[],
39 bootm_headers_t *images)
41 struct boot_params *base_ptr = NULL;
42 ulong os_data, os_len;
46 #if defined(CONFIG_FIT)
51 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
54 if (images->legacy_hdr_valid) {
55 hdr = images->legacy_hdr_os;
56 if (image_check_type(hdr, IH_TYPE_MULTI)) {
57 /* if multi-part image, we need to get first subimage */
58 image_multi_getimg(hdr, 0, &os_data, &os_len);
60 /* otherwise get image data */
61 os_data = image_get_data(hdr);
62 os_len = image_get_data_size(hdr);
64 #if defined(CONFIG_FIT)
65 } else if (images->fit_uname_os) {
66 ret = fit_image_get_data(images->fit_hdr_os,
67 images->fit_noffset_os, &data, &len);
69 puts("Can't get image data/size!\n");
72 os_data = (ulong)data;
76 puts("Could not find kernel image!\n");
80 #ifdef CONFIG_CMD_ZBOOT
81 base_ptr = load_zimage((void *)os_data, os_len, &load_address);
84 if (NULL == base_ptr) {
85 printf("## Kernel loading failed ...\n");
89 if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
91 images->rd_end - images->rd_start)) {
92 printf("## Setting up boot parameters failed ...\n");
97 printf("## Transferring control to Linux (at address %08x) ...\n",
101 /* we assume that the kernel is in place */
102 printf("\nStarting kernel ...\n\n");
104 boot_zimage(base_ptr, load_address);
105 /* does not return */