Exemplo n.º 1
0
/**
 * boot_get_fdt - main fdt handling routine
 * @argc: command argument count
 * @argv: command argument list
 * @arch: architecture (IH_ARCH_...)
 * @images: pointer to the bootm images structure
 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
 * @of_size: pointer to a ulong variable, will hold fdt length
 *
 * boot_get_fdt() is responsible for finding a valid flat device tree image.
 * Curently supported are the following ramdisk sources:
 *      - multicomponent kernel/ramdisk image,
 *      - commandline provided address of decicated ramdisk image.
 *
 * returns:
 *     0, if fdt image was found and valid, or skipped
 *     of_flat_tree and of_size are set to fdt start address and length if
 *     fdt image is found and valid
 *
 *     1, if fdt image is found but corrupted
 *     of_flat_tree and of_size are set to 0 if no fdt exists
 */
int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
		bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
{
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	const image_header_t *fdt_hdr;
	ulong		load, load_end;
	ulong		image_start, image_data, image_end;
#endif
	ulong		fdt_addr;
	char		*fdt_blob = NULL;
	void		*buf;
#if CONFIG_IS_ENABLED(FIT)
	const char	*fit_uname_config = images->fit_uname_cfg;
	const char	*fit_uname_fdt = NULL;
	ulong		default_addr;
	int		fdt_noffset;
#endif
	const char *select = NULL;
	int		ok_no_fdt = 0;

	*of_flat_tree = NULL;
	*of_size = 0;

	if (argc > 2)
		select = argv[2];
	if (select || genimg_has_config(images)) {
#if CONFIG_IS_ENABLED(FIT)
		if (select) {
			/*
			 * If the FDT blob comes from the FIT image and the
			 * FIT image address is omitted in the command line
			 * argument, try to use ramdisk or os FIT image
			 * address or default load address.
			 */
			if (images->fit_uname_rd)
				default_addr = (ulong)images->fit_hdr_rd;
			else if (images->fit_uname_os)
				default_addr = (ulong)images->fit_hdr_os;
			else
				default_addr = load_addr;

			if (fit_parse_conf(select, default_addr,
					   &fdt_addr, &fit_uname_config)) {
				debug("*  fdt: config '%s' from image at 0x%08lx\n",
				      fit_uname_config, fdt_addr);
			} else if (fit_parse_subimage(select, default_addr,
				   &fdt_addr, &fit_uname_fdt)) {
				debug("*  fdt: subimage '%s' from image at 0x%08lx\n",
				      fit_uname_fdt, fdt_addr);
			} else
#endif
			{
				fdt_addr = simple_strtoul(select, NULL, 16);
				debug("*  fdt: cmdline image address = 0x%08lx\n",
				      fdt_addr);
			}
#if CONFIG_IS_ENABLED(FIT)
		} else {
			/* use FIT configuration provided in first bootm
			 * command argument
			 */
			fdt_addr = map_to_sysmem(images->fit_hdr_os);
			fdt_noffset = fit_get_node_from_config(images,
							       FIT_FDT_PROP,
							       fdt_addr);
			if (fdt_noffset == -ENOLINK)
				return 0;
			else if (fdt_noffset < 0)
				return 1;
		}
#endif
		debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
		      fdt_addr);

		/* copy from dataflash if needed */
		fdt_addr = genimg_get_image(fdt_addr);

		/*
		 * Check if there is an FDT image at the
		 * address provided in the second bootm argument
		 * check image type, for FIT images get a FIT node.
		 */
		buf = map_sysmem(fdt_addr, 0);
		switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
		case IMAGE_FORMAT_LEGACY:
			/* verify fdt_addr points to a valid image header */
			printf("## Flattened Device Tree from Legacy Image at %08lx\n",
			       fdt_addr);
			fdt_hdr = image_get_fdt(fdt_addr);
			if (!fdt_hdr)
				goto no_fdt;

			/*
			 * move image data to the load address,
			 * make sure we don't overwrite initial image
			 */
			image_start = (ulong)fdt_hdr;
			image_data = (ulong)image_get_data(fdt_hdr);
			image_end = image_get_image_end(fdt_hdr);

			load = image_get_load(fdt_hdr);
			load_end = load + image_get_data_size(fdt_hdr);

			if (load == image_start ||
			    load == image_data) {
				fdt_addr = load;
				break;
			}

			if ((load < image_end) && (load_end > image_start)) {
				fdt_error("fdt overwritten");
				goto error;
			}

			debug("   Loading FDT from 0x%08lx to 0x%08lx\n",
			      image_data, load);

			memmove((void *)load,
				(void *)image_data,
				image_get_data_size(fdt_hdr));

			fdt_addr = load;
			break;
#endif
		case IMAGE_FORMAT_FIT:
			/*
			 * This case will catch both: new uImage format
			 * (libfdt based) and raw FDT blob (also libfdt
			 * based).
			 */
#if CONFIG_IS_ENABLED(FIT)
			/* check FDT blob vs FIT blob */
			if (fit_check_format(buf)) {
				ulong load, len;

				fdt_noffset = fit_image_load(images,
					fdt_addr, &fit_uname_fdt,
					&fit_uname_config,
					arch, IH_TYPE_FLATDT,
					BOOTSTAGE_ID_FIT_FDT_START,
					FIT_LOAD_OPTIONAL, &load, &len);

				images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
				images->fit_uname_fdt = fit_uname_fdt;
				images->fit_noffset_fdt = fdt_noffset;
				fdt_addr = load;
				break;
			} else
#endif
			{
				/*
				 * FDT blob
				 */
				debug("*  fdt: raw FDT blob\n");
				printf("## Flattened Device Tree blob at %08lx\n",
				       (long)fdt_addr);
			}
			break;
		default:
			puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
			goto no_fdt;
		}

		printf("   Booting using the fdt blob at %#08lx\n", fdt_addr);
		fdt_blob = map_sysmem(fdt_addr, 0);
	} else if (images->legacy_hdr_valid &&
			image_check_type(&images->legacy_hdr_os_copy,
					 IH_TYPE_MULTI)) {
		ulong fdt_data, fdt_len;

		/*
		 * Now check if we have a legacy multi-component image,
		 * get second entry data start address and len.
		 */
		printf("## Flattened Device Tree from multi component Image at %08lX\n",
		       (ulong)images->legacy_hdr_os);

		image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data,
				   &fdt_len);
		if (fdt_len) {
			fdt_blob = (char *)fdt_data;
			printf("   Booting using the fdt at 0x%p\n", fdt_blob);

			if (fdt_check_header(fdt_blob) != 0) {
				fdt_error("image is not a fdt");
				goto error;
			}

			if (fdt_totalsize(fdt_blob) != fdt_len) {
				fdt_error("fdt size != image size");
				goto error;
			}
		} else {
			debug("## No Flattened Device Tree\n");
			goto no_fdt;
		}
	} else {
		debug("## No Flattened Device Tree\n");
		goto no_fdt;
	}

	*of_flat_tree = fdt_blob;
	*of_size = fdt_totalsize(fdt_blob);
	debug("   of_flat_tree at 0x%08lx size 0x%08lx\n",
	      (ulong)*of_flat_tree, *of_size);

	return 0;

no_fdt:
	ok_no_fdt = 1;
error:
	*of_flat_tree = NULL;
	*of_size = 0;
	if (!select && ok_no_fdt) {
		debug("Continuing to boot without FDT\n");
		return 0;
	}
	return 1;
}
Exemplo n.º 2
0
/**
 * boot_get_kernel - find kernel image
 * @os_data: pointer to a ulong variable, will hold os data start address
 * @os_len: pointer to a ulong variable, will hold os data length
 *
 * boot_get_kernel() tries to find a kernel image, verifies its integrity
 * and locates kernel data.
 *
 * returns:
 *     pointer to image header if valid image was found, plus kernel start
 *     address and length, otherwise NULL
 */
static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
		bootm_headers_t *images, ulong *os_data, ulong *os_len)
{
	image_header_t	*hdr;
	ulong		img_addr;
#if defined(CONFIG_FIT)
	void		*fit_hdr;
	const char	*fit_uname_config = NULL;
	const char	*fit_uname_kernel = NULL;
	const void	*data;
	size_t		len;
	int		cfg_noffset;
	int		os_noffset;
#endif

	/* find out kernel image address */
	if (argc < 2) {
		img_addr = load_addr;
		debug ("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
#if defined(CONFIG_FIT)
	} else if (fit_parse_conf (argv[1], load_addr, &img_addr,
							&fit_uname_config)) {
		debug ("*  kernel: config '%s' from image at 0x%08lx\n",
				fit_uname_config, img_addr);
	} else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
							&fit_uname_kernel)) {
		debug ("*  kernel: subimage '%s' from image at 0x%08lx\n",
				fit_uname_kernel, img_addr);
#endif
	} else {
		img_addr = simple_strtoul(argv[1], NULL, 16);
		debug ("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
	}

	show_boot_progress (1);

	/* copy from dataflash if needed */
	img_addr = genimg_get_image (img_addr);

	/* check image type, for FIT images get FIT kernel node */
	*os_data = *os_len = 0;
	switch (genimg_get_format ((void *)img_addr)) {
	case IMAGE_FORMAT_LEGACY:
		printf ("## Booting kernel from Legacy Image at %08lx ...\n",
				img_addr);
		hdr = image_get_kernel (img_addr, images->verify);
		if (!hdr)
			return NULL;
		show_boot_progress (5);

		/* get os_data and os_len */
		switch (image_get_type (hdr)) {
		case IH_TYPE_KERNEL:
			*os_data = image_get_data (hdr);
			*os_len = image_get_data_size (hdr);
			break;
		case IH_TYPE_MULTI:
			image_multi_getimg (hdr, 0, os_data, os_len);
			break;
		case IH_TYPE_STANDALONE:
			if (argc >2) {
				hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
			}
			*os_data = image_get_data (hdr);
			*os_len = image_get_data_size (hdr);
			break;
		default:
			printf ("Wrong Image Type for %s command\n", cmdtp->name);
			show_boot_progress (-5);
			return NULL;
		}

		/*
		 * copy image header to allow for image overwrites during kernel
		 * decompression.
		 */
		memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));

		/* save pointer to image header */
		images->legacy_hdr_os = hdr;

		images->legacy_hdr_valid = 1;
		show_boot_progress (6);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		fit_hdr = (void *)img_addr;
		printf ("## Booting kernel from FIT Image at %08lx ...\n",
				img_addr);

		if (!fit_check_format (fit_hdr)) {
			puts ("Bad FIT kernel image format!\n");
			show_boot_progress (-100);
			return NULL;
		}
		show_boot_progress (100);

		if (!fit_uname_kernel) {
			/*
			 * no kernel image node unit name, try to get config
			 * node first. If config unit node name is NULL
			 * fit_conf_get_node() will try to find default config node
			 */
			show_boot_progress (101);
			cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
			if (cfg_noffset < 0) {
				show_boot_progress (-101);
				return NULL;
			}
			/* save configuration uname provided in the first
			 * bootm argument
			 */
			images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
			printf ("   Using '%s' configuration\n", images->fit_uname_cfg);
			show_boot_progress (103);

			os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
			fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
		} else {
			/* get kernel component image node offset */
			show_boot_progress (102);
			os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
		}
		if (os_noffset < 0) {
			show_boot_progress (-103);
			return NULL;
		}

		printf ("   Trying '%s' kernel subimage\n", fit_uname_kernel);

		show_boot_progress (104);
		if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
			return NULL;

		/* get kernel image data address and length */
		if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
			puts ("Could not find kernel subimage data!\n");
			show_boot_progress (-107);
			return NULL;
		}
		show_boot_progress (108);

		*os_len = len;
		*os_data = (ulong)data;
		images->fit_hdr_os = fit_hdr;
		images->fit_uname_os = fit_uname_kernel;
		images->fit_noffset_os = os_noffset;
		break;
#endif
	default:
		printf ("Wrong Image Format for %s command\n", cmdtp->name);
		show_boot_progress (-108);
		return NULL;
	}

	debug ("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
			*os_data, *os_len, *os_len);

	return (void *)img_addr;
}
Exemplo n.º 3
0
/**
 * boot_get_kernel - find kernel image
 * @os_data: pointer to a ulong variable, will hold os data start address
 * @os_len: pointer to a ulong variable, will hold os data length
 *
 * boot_get_kernel() tries to find a kernel image, verifies its integrity
 * and locates kernel data.
 *
 * returns:
 *     pointer to image header if valid image was found, plus kernel start
 *     address and length, otherwise NULL
 */
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
		char * const argv[], bootm_headers_t *images, ulong *os_data,
		ulong *os_len)
{
	image_header_t	*hdr;
	ulong		img_addr;
	const void *buf;
#if defined(CONFIG_FIT)
	const void	*fit_hdr;
	const char	*fit_uname_config = NULL;
	const char	*fit_uname_kernel = NULL;
	const void	*data;
	size_t		len;
	int		cfg_noffset;
	int		os_noffset;
#endif

	/* find out kernel image address */
	if (argc < 2) {
		img_addr = load_addr;
		debug("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
#if defined(CONFIG_FIT)
	} else if (fit_parse_conf(argv[1], load_addr, &img_addr,
							&fit_uname_config)) {
		debug("*  kernel: config '%s' from image at 0x%08lx\n",
				fit_uname_config, img_addr);
	} else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
							&fit_uname_kernel)) {
		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
				fit_uname_kernel, img_addr);
#endif
	} else {
		img_addr = simple_strtoul(argv[1], NULL, 16);
		debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
	}

	bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);

	/* copy from dataflash if needed */
	img_addr = genimg_get_image(img_addr);

	/* check image type, for FIT images get FIT kernel node */
	*os_data = *os_len = 0;
	buf = map_sysmem(img_addr, 0);
	switch (genimg_get_format(buf)) {
	case IMAGE_FORMAT_LEGACY:
		printf("## Booting kernel from Legacy Image at %08lx ...\n",
				img_addr);
		hdr = image_get_kernel(img_addr, images->verify);
		if (!hdr)
			return NULL;
		bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);

		/* get os_data and os_len */
		switch (image_get_type(hdr)) {
		case IH_TYPE_KERNEL:
		case IH_TYPE_KERNEL_NOLOAD:
			*os_data = image_get_data(hdr);
			*os_len = image_get_data_size(hdr);
			break;
		case IH_TYPE_MULTI:
			image_multi_getimg(hdr, 0, os_data, os_len);
			break;
		case IH_TYPE_STANDALONE:
			*os_data = image_get_data(hdr);
			*os_len = image_get_data_size(hdr);
			break;
		default:
			printf("Wrong Image Type for %s command\n",
				cmdtp->name);
			bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
			return NULL;
		}

		/*
		 * copy image header to allow for image overwrites during
		 * kernel decompression.
		 */
		memmove(&images->legacy_hdr_os_copy, hdr,
			sizeof(image_header_t));

		/* save pointer to image header */
		images->legacy_hdr_os = hdr;

		images->legacy_hdr_valid = 1;
		bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		fit_hdr = buf;
		printf("## Booting kernel from FIT Image at %08lx ...\n",
				img_addr);

		if (!fit_check_format(fit_hdr)) {
			puts("Bad FIT kernel image format!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
			return NULL;
		}
		bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);

		if (!fit_uname_kernel) {
			/*
			 * no kernel image node unit name, try to get config
			 * node first. If config unit node name is NULL
			 * fit_conf_get_node() will try to find default config
			 * node
			 */
			bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
#ifdef CONFIG_FIT_BEST_MATCH
			if (fit_uname_config)
				cfg_noffset =
					fit_conf_get_node(fit_hdr,
							  fit_uname_config);
			else
				cfg_noffset =
					fit_conf_find_compat(fit_hdr,
							     gd->fdt_blob);
#else
			cfg_noffset = fit_conf_get_node(fit_hdr,
							fit_uname_config);
#endif
			if (cfg_noffset < 0) {
				bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
				return NULL;
			}
			/* save configuration uname provided in the first
			 * bootm argument
			 */
			images->fit_uname_cfg = fdt_get_name(fit_hdr,
								cfg_noffset,
								NULL);
			printf("   Using '%s' configuration\n",
				images->fit_uname_cfg);
			bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);

			os_noffset = fit_conf_get_kernel_node(fit_hdr,
								cfg_noffset);
			fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
							NULL);
		} else {
			/* get kernel component image node offset */
			bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
			os_noffset = fit_image_get_node(fit_hdr,
							fit_uname_kernel);
		}
		if (os_noffset < 0) {
			bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
			return NULL;
		}

		printf("   Trying '%s' kernel subimage\n", fit_uname_kernel);

		bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
		if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
			return NULL;

		/* get kernel image data address and length */
		if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
			puts("Could not find kernel subimage data!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
			return NULL;
		}
		bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);

		*os_len = len;
		*os_data = (ulong)data;
		images->fit_hdr_os = (void *)fit_hdr;
		images->fit_uname_os = fit_uname_kernel;
		images->fit_noffset_os = os_noffset;
		break;
#endif
	default:
		printf("Wrong Image Format for %s command\n", cmdtp->name);
		bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
		return NULL;
	}

	debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
			*os_data, *os_len, *os_len);

	return buf;
}
Exemplo n.º 4
0
/**
 * boot_get_kernel - find kernel image
 * @os_data: pointer to a ulong variable, will hold os data start address
 * @os_len: pointer to a ulong variable, will hold os data length
 *
 * boot_get_kernel() tries to find a kernel image, verifies its integrity
 * and locates kernel data.
 *
 * returns:
 *     pointer to image header if valid image was found, plus kernel start
 *     address and length, otherwise NULL
 */
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
		char * const argv[], bootm_headers_t *images, ulong *os_data,
		ulong *os_len)
{
	image_header_t	*hdr;
	ulong		img_addr;
	const void *buf;
#if defined(CONFIG_FIT)
	const char	*fit_uname_config = NULL;
	const char	*fit_uname_kernel = NULL;
	int		os_noffset;
#endif

	/* find out kernel image address */
	if (argc < 1) {
		img_addr = load_addr;
		debug("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
#if defined(CONFIG_FIT)
	} else if (fit_parse_conf(argv[0], load_addr, &img_addr,
							&fit_uname_config)) {
		debug("*  kernel: config '%s' from image at 0x%08lx\n",
				fit_uname_config, img_addr);
	} else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
							&fit_uname_kernel)) {
		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
				fit_uname_kernel, img_addr);
#endif
	} else {
		img_addr = simple_strtoul(argv[0], NULL, 16);
		debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
	}

	bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);

	/* copy from dataflash if needed */
	img_addr = genimg_get_image(img_addr);

	/* check image type, for FIT images get FIT kernel node */
	*os_data = *os_len = 0;
	buf = map_sysmem(img_addr, 0);
	switch (genimg_get_format(buf)) {
	case IMAGE_FORMAT_LEGACY:
		printf("## Booting kernel from Legacy Image at %08lx ...\n",
				img_addr);
		hdr = image_get_kernel(img_addr, images->verify);
		if (!hdr)
			return NULL;
		bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);

		/* get os_data and os_len */
		switch (image_get_type(hdr)) {
		case IH_TYPE_KERNEL:
		case IH_TYPE_KERNEL_NOLOAD:
			*os_data = image_get_data(hdr);
			*os_len = image_get_data_size(hdr);
			break;
		case IH_TYPE_MULTI:
			image_multi_getimg(hdr, 0, os_data, os_len);
			break;
		case IH_TYPE_STANDALONE:
			*os_data = image_get_data(hdr);
			*os_len = image_get_data_size(hdr);
			break;
		default:
			printf("Wrong Image Type for %s command\n",
				cmdtp->name);
			bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
			return NULL;
		}

		/*
		 * copy image header to allow for image overwrites during
		 * kernel decompression.
		 */
		memmove(&images->legacy_hdr_os_copy, hdr,
			sizeof(image_header_t));

		/* save pointer to image header */
		images->legacy_hdr_os = hdr;

		images->legacy_hdr_valid = 1;
		bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
				img_addr,
				&fit_uname_kernel, &fit_uname_config,
				IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
				BOOTSTAGE_ID_FIT_KERNEL_START,
				FIT_LOAD_IGNORED, os_data, os_len);
		if (os_noffset < 0)
			return NULL;

		images->fit_hdr_os = map_sysmem(img_addr, 0);
		images->fit_uname_os = fit_uname_kernel;
		images->fit_uname_cfg = fit_uname_config;
		images->fit_noffset_os = os_noffset;
		break;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
	case IMAGE_FORMAT_ANDROID:
		printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
		if (android_image_get_kernel((void *)img_addr, images->verify,
					     os_data, os_len))
			return NULL;
		break;
#endif
	default:
		printf("Wrong Image Format for %s command\n", cmdtp->name);
		bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
		return NULL;
	}

	debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
			*os_data, *os_len, *os_len);

	return buf;
}
Exemplo n.º 5
0
/**
 * boot_get_ramdisk - main ramdisk handling routine
 * @argc: command argument count
 * @argv: command argument list
 * @images: pointer to the bootm images structure
 * @arch: expected ramdisk architecture
 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 * @rd_end: pointer to a ulong variable, will hold ramdisk end
 *
 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 * Curently supported are the following ramdisk sources:
 *      - multicomponent kernel/ramdisk image,
 *      - commandline provided address of decicated ramdisk image.
 *
 * returns:
 *     0, if ramdisk image was found and valid, or skiped
 *     rd_start and rd_end are set to ramdisk start/end addresses if
 *     ramdisk image is found and valid
 *
 *     1, if ramdisk image is found but corrupted, or invalid
 *     rd_start and rd_end are set to 0 if no ramdisk exists
 */
int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
		uint8_t arch, ulong *rd_start, ulong *rd_end)
{
	ulong rd_addr, rd_load;
	ulong rd_data, rd_len;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	const image_header_t *rd_hdr;
#endif
	void *buf;
#ifdef CONFIG_SUPPORT_RAW_INITRD
	char *end;
#endif
#if defined(CONFIG_FIT)
	const char	*fit_uname_config = images->fit_uname_cfg;
	const char	*fit_uname_ramdisk = NULL;
	ulong		default_addr;
	int		rd_noffset;
#endif
	const char *select = NULL;

	*rd_start = 0;
	*rd_end = 0;

	if (argc >= 2)
		select = argv[1];
	/*
	 * Look for a '-' which indicates to ignore the
	 * ramdisk argument
	 */
	if (select && strcmp(select, "-") ==  0) {
		debug("## Skipping init Ramdisk\n");
		rd_len = rd_data = 0;
	} else if (select || genimg_has_config(images)) {
#if defined(CONFIG_FIT)
		if (select) {
			/*
			 * If the init ramdisk comes from the FIT image and
			 * the FIT image address is omitted in the command
			 * line argument, try to use os FIT image address or
			 * default load address.
			 */
			if (images->fit_uname_os)
				default_addr = (ulong)images->fit_hdr_os;
			else
				default_addr = load_addr;

			if (fit_parse_conf(select, default_addr,
					   &rd_addr, &fit_uname_config)) {
				debug("*  ramdisk: config '%s' from image at "
						"0x%08lx\n",
						fit_uname_config, rd_addr);
			} else if (fit_parse_subimage(select, default_addr,
						&rd_addr, &fit_uname_ramdisk)) {
				debug("*  ramdisk: subimage '%s' from image at "
						"0x%08lx\n",
						fit_uname_ramdisk, rd_addr);
			} else
#endif
			{
				rd_addr = simple_strtoul(select, NULL, 16);
				debug("*  ramdisk: cmdline image address = "
						"0x%08lx\n",
						rd_addr);
			}
#if defined(CONFIG_FIT)
		} else {
			/* use FIT configuration provided in first bootm
			 * command argument. If the property is not defined,
			 * quit silently.
			 */
			rd_addr = map_to_sysmem(images->fit_hdr_os);
			rd_noffset = fit_get_node_from_config(images,
					FIT_RAMDISK_PROP, rd_addr);
			if (rd_noffset == -ENOLINK)
				return 0;
			else if (rd_noffset < 0)
				return 1;
		}
#endif

		/* copy from dataflash if needed */
		rd_addr = genimg_get_image(rd_addr);

		/*
		 * Check if there is an initrd image at the
		 * address provided in the second bootm argument
		 * check image type, for FIT images get FIT node.
		 */
		buf = map_sysmem(rd_addr, 0);
		switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
		case IMAGE_FORMAT_LEGACY:
			printf("## Loading init Ramdisk from Legacy "
					"Image at %08lx ...\n", rd_addr);

			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
			rd_hdr = image_get_ramdisk(rd_addr, arch,
							images->verify);

			if (rd_hdr == NULL)
				return 1;

			rd_data = image_get_data(rd_hdr);
			rd_len = image_get_data_size(rd_hdr);
			rd_load = image_get_load(rd_hdr);
			break;
#endif
#if defined(CONFIG_FIT)
		case IMAGE_FORMAT_FIT:
			rd_noffset = fit_image_load(images,
					rd_addr, &fit_uname_ramdisk,
					&fit_uname_config, arch,
					IH_TYPE_RAMDISK,
					BOOTSTAGE_ID_FIT_RD_START,
					FIT_LOAD_IGNORED, &rd_data, &rd_len);
			if (rd_noffset < 0)
				return 1;

			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
			images->fit_uname_rd = fit_uname_ramdisk;
			images->fit_noffset_rd = rd_noffset;
			break;
#endif
		default:
#ifdef CONFIG_SUPPORT_RAW_INITRD
			end = NULL;
			if (select)
				end = strchr(select, ':');
			if (end) {
				rd_len = simple_strtoul(++end, NULL, 16);
				rd_data = rd_addr;
			} else
#endif
			{
				puts("Wrong Ramdisk Image Format\n");
				rd_data = rd_len = rd_load = 0;
				return 1;
			}
		}
	} else if (images->legacy_hdr_valid &&
			image_check_type(&images->legacy_hdr_os_copy,
						IH_TYPE_MULTI)) {

		/*
		 * Now check if we have a legacy mult-component image,
		 * get second entry data start address and len.
		 */
		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
		printf("## Loading init Ramdisk from multi component "
				"Legacy Image at %08lx ...\n",
				(ulong)images->legacy_hdr_os);

		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
	}
#ifdef CONFIG_ANDROID_BOOT_IMAGE
	else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) &&
		 (!android_image_get_ramdisk((void *)images->os.start,
		 &rd_data, &rd_len))) {
		/* empty */
	}
#endif
	else {
		/*
		 * no initrd image
		 */
		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
		rd_len = rd_data = 0;
	}

	if (!rd_data) {
		debug("## No init Ramdisk\n");
	} else {
		*rd_start = rd_data;
		*rd_end = rd_data + rd_len;
	}
	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
			*rd_start, *rd_end);

	return 0;
}
Exemplo n.º 6
0
int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
{
	/*
	 * These variables are used to hold the current image location
	 * in system memory.
	 */
	ulong tmp_img_addr;
	/*
	 * These two variables are requirements for fit_image_load, but
	 * their values are not used
	 */
	ulong img_data, img_len;
	void *buf;
	int loadables_index;
	int conf_noffset;
	int fit_img_result;
	char *uname;

	/* Check to see if the images struct has a FIT configuration */
	if (!genimg_has_config(images)) {
		debug("## FIT configuration was not specified\n");
		return 0;
	}

	/*
	 * Obtain the os FIT header from the images struct
	 * copy from dataflash if needed
	 */
	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
	tmp_img_addr = genimg_get_image(tmp_img_addr);
	buf = map_sysmem(tmp_img_addr, 0);
	/*
	 * Check image type. For FIT images get FIT node
	 * and attempt to locate a generic binary.
	 */
	switch (genimg_get_format(buf)) {
	case IMAGE_FORMAT_FIT:
		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);

		for (loadables_index = 0;
		     fdt_get_string_index(buf, conf_noffset,
				FIT_LOADABLE_PROP,
				loadables_index,
				(const char **)&uname) == 0;
		     loadables_index++)
		{
			fit_img_result = fit_image_load(images,
				tmp_img_addr,
				(const char **)&uname,
				&(images->fit_uname_cfg), arch,
				IH_TYPE_LOADABLE,
				BOOTSTAGE_ID_FIT_LOADABLE_START,
				FIT_LOAD_OPTIONAL_NON_ZERO,
				&img_data, &img_len);
			if (fit_img_result < 0) {
				/* Something went wrong! */
				return fit_img_result;
			}
		}
		break;
	default:
		printf("The given image format is not supported (corrupt?)\n");
		return 1;
	}

	return 0;
}
Exemplo n.º 7
0
int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
{
	ulong tmp_img_addr, img_data, img_len;
	void *buf;
	int conf_noffset;
	int fit_img_result;
	char *uname, *name;
	int err;
	int devnum = 0; /* TODO support multi fpga platforms */
	const fpga_desc * const desc = fpga_get_desc(devnum);
	xilinx_desc *desc_xilinx = desc->devdesc;

	/* Check to see if the images struct has a FIT configuration */
	if (!genimg_has_config(images)) {
		debug("## FIT configuration was not specified\n");
		return 0;
	}

	/*
	 * Obtain the os FIT header from the images struct
	 * copy from dataflash if needed
	 */
	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
	tmp_img_addr = genimg_get_image(tmp_img_addr);
	buf = map_sysmem(tmp_img_addr, 0);
	/*
	 * Check image type. For FIT images get FIT node
	 * and attempt to locate a generic binary.
	 */
	switch (genimg_get_format(buf)) {
	case IMAGE_FORMAT_FIT:
		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);

		err = fdt_get_string_index(buf, conf_noffset, FIT_FPGA_PROP, 0,
					   (const char **)&uname);
		if (err < 0) {
			debug("## FPGA image is not specified\n");
			return 0;
		}
		fit_img_result = fit_image_load(images,
						tmp_img_addr,
						(const char **)&uname,
						&(images->fit_uname_cfg),
						arch,
						IH_TYPE_FPGA,
						BOOTSTAGE_ID_FPGA_INIT,
						FIT_LOAD_OPTIONAL_NON_ZERO,
						&img_data, &img_len);

		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
		      uname, img_data, img_len);

		if (fit_img_result < 0) {
			/* Something went wrong! */
			return fit_img_result;
		}

		if (img_len >= desc_xilinx->size) {
			name = "full";
			err = fpga_loadbitstream(devnum, (char *)img_data,
						 img_len, BIT_FULL);
			if (err)
				err = fpga_load(devnum, (const void *)img_data,
						img_len, BIT_FULL);
		} else {
			name = "partial";
			err = fpga_loadbitstream(devnum, (char *)img_data,
						 img_len, BIT_PARTIAL);
			if (err)
				err = fpga_load(devnum, (const void *)img_data,
						img_len, BIT_PARTIAL);
		}

		printf("   Programming %s bitstream... ", name);
		if (err)
			printf("failed\n");
		else
			printf("OK\n");
		break;
	default:
		printf("The given image format is not supported (corrupt?)\n");
		return 1;
	}

	return 0;
}