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 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <command.h> 13 #include <image.h> 14 #include <u-boot/zlib.h> 15 #include <asm/bootparam.h> 16 #include <asm/byteorder.h> 17 #include <asm/zimage.h> 18 19 #define COMMAND_LINE_OFFSET 0x9000 20 21 /*cmd_boot.c*/ 22 int do_bootm_linux(int flag, int argc, char * const argv[], 23 bootm_headers_t *images) 24 { 25 struct boot_params *base_ptr = NULL; 26 ulong os_data, os_len; 27 image_header_t *hdr; 28 void *load_address; 29 30 #if defined(CONFIG_FIT) 31 const void *data; 32 size_t len; 33 #endif 34 35 if (flag & BOOTM_STATE_OS_PREP) 36 return 0; 37 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) 38 return 1; 39 40 if (images->legacy_hdr_valid) { 41 hdr = images->legacy_hdr_os; 42 if (image_check_type(hdr, IH_TYPE_MULTI)) { 43 /* if multi-part image, we need to get first subimage */ 44 image_multi_getimg(hdr, 0, &os_data, &os_len); 45 } else { 46 /* otherwise get image data */ 47 os_data = image_get_data(hdr); 48 os_len = image_get_data_size(hdr); 49 } 50 #if defined(CONFIG_FIT) 51 } else if (images->fit_uname_os) { 52 int ret; 53 54 ret = fit_image_get_data(images->fit_hdr_os, 55 images->fit_noffset_os, &data, &len); 56 if (ret) { 57 puts("Can't get image data/size!\n"); 58 goto error; 59 } 60 os_data = (ulong)data; 61 os_len = (ulong)len; 62 #endif 63 } else { 64 puts("Could not find kernel image!\n"); 65 goto error; 66 } 67 68 #ifdef CONFIG_CMD_ZBOOT 69 base_ptr = load_zimage((void *)os_data, os_len, &load_address); 70 #endif 71 72 if (NULL == base_ptr) { 73 printf("## Kernel loading failed ...\n"); 74 goto error; 75 } 76 77 if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET, 78 0, images->rd_start, 79 images->rd_end - images->rd_start)) { 80 printf("## Setting up boot parameters failed ...\n"); 81 goto error; 82 } 83 84 boot_zimage(base_ptr, load_address); 85 /* does not return */ 86 87 error: 88 return 1; 89 } 90