mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 22:20:45 +00:00
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <image.h>
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#include <zlib.h>
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#include <asm/byteorder.h>
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#include <asm/zimage.h>
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/*cmd_boot.c*/
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extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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bootm_headers_t *images)
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{
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void *base_ptr;
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ulong os_data, os_len;
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ulong initrd_start, initrd_end;
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image_header_t *hdr;
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int ret;
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#if defined(CONFIG_FIT)
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const void *data;
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size_t len;
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#endif
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ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_I386,
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&initrd_start, &initrd_end);
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if (ret)
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goto error;
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if (images->legacy_hdr_valid) {
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hdr = images->legacy_hdr_os;
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if (image_check_type (hdr, IH_TYPE_MULTI)) {
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/* if multi-part image, we need to get first subimage */
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image_multi_getimg (hdr, 0, &os_data, &os_len);
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} else {
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/* otherwise get image data */
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os_data = image_get_data (hdr);
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os_len = image_get_data_size (hdr);
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}
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#if defined(CONFIG_FIT)
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} else if (images->fit_uname_os) {
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ret = fit_image_get_data (images->fit_hdr_os,
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images->fit_noffset_os, &data, &len);
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if (ret) {
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puts ("Can't get image data/size!\n");
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goto error;
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}
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os_data = (ulong)data;
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os_len = (ulong)len;
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#endif
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} else {
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puts ("Could not find kernel image!\n");
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goto error;
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}
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base_ptr = load_zimage ((void*)os_data, os_len,
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initrd_start, initrd_end - initrd_start, 0);
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if (NULL == base_ptr) {
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printf ("## Kernel loading failed ...\n");
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goto error;
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}
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if (!images->autostart)
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return ;
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#ifdef DEBUG
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printf ("## Transferring control to Linux (at address %08x) ...\n",
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(u32)base_ptr);
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#endif
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/* we assume that the kernel is in place */
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printf("\nStarting kernel ...\n\n");
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boot_zimage(base_ptr);
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/* does not return */
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return;
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error:
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if (images->autostart)
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do_reset (cmdtp, flag, argc, argv);
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return;
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}
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