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