1 /* 2 * (C) Copyright 2002 3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 4 * Marius Groeger <mgroeger@sysgo.de> 5 * 6 * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) 7 * 8 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 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. 15 * 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. 20 * 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, 24 * MA 02111-1307 USA 25 */ 26 27 #include <common.h> 28 #include <command.h> 29 #include <image.h> 30 #include <u-boot/zlib.h> 31 #include <asm/bootparam.h> 32 #include <asm/byteorder.h> 33 #include <asm/zimage.h> 34 35 #define COMMAND_LINE_OFFSET 0x9000 36 37 /*cmd_boot.c*/ 38 int do_bootm_linux(int flag, int argc, char * const argv[], 39 bootm_headers_t *images) 40 { 41 struct boot_params *base_ptr = NULL; 42 ulong os_data, os_len; 43 image_header_t *hdr; 44 void *load_address; 45 46 #if defined(CONFIG_FIT) 47 const void *data; 48 size_t len; 49 #endif 50 51 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) 52 return 1; 53 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); 59 } else { 60 /* otherwise get image data */ 61 os_data = image_get_data(hdr); 62 os_len = image_get_data_size(hdr); 63 } 64 #if defined(CONFIG_FIT) 65 } else if (images->fit_uname_os) { 66 int ret; 67 68 ret = fit_image_get_data(images->fit_hdr_os, 69 images->fit_noffset_os, &data, &len); 70 if (ret) { 71 puts("Can't get image data/size!\n"); 72 goto error; 73 } 74 os_data = (ulong)data; 75 os_len = (ulong)len; 76 #endif 77 } else { 78 puts("Could not find kernel image!\n"); 79 goto error; 80 } 81 82 #ifdef CONFIG_CMD_ZBOOT 83 base_ptr = load_zimage((void *)os_data, os_len, &load_address); 84 #endif 85 86 if (NULL == base_ptr) { 87 printf("## Kernel loading failed ...\n"); 88 goto error; 89 } 90 91 if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET, 92 0, images->rd_start, 93 images->rd_end - images->rd_start)) { 94 printf("## Setting up boot parameters failed ...\n"); 95 goto error; 96 } 97 98 boot_zimage(base_ptr, load_address); 99 /* does not return */ 100 101 error: 102 return 1; 103 } 104