Esempio n. 1
0
static void image_print_type(const image_header_t *hdr)
{
	const char *os, *arch, *type, *comp;

	os = genimg_get_os_name(image_get_os(hdr));
	arch = genimg_get_arch_name(image_get_arch(hdr));
	type = genimg_get_type_name(image_get_type(hdr));
	comp = genimg_get_comp_name(image_get_comp(hdr));

	printf("%s %s %s (%s)\n", arch, os, type, comp);
}
Esempio n. 2
0
/**
 * run_bootm_test() - Run tests on the bootm decopmression function
 *
 * @comp_type:	Compression type to test
 * @compress:	Our function to compress data
 * @return 0 if OK, non-zero on failure
 */
static int run_bootm_test(int comp_type, mutate_func compress)
{
	ulong compress_size = 1024;
	void *compress_buff;
	int unc_len;
	int err = 0;
	const ulong image_start = 0;
	const ulong load_addr = 0x1000;
	ulong load_end;

	printf("Testing: %s\n", genimg_get_comp_name(comp_type));
	compress_buff = map_sysmem(image_start, 0);
	unc_len = strlen(plain);
	compress((void *)plain, unc_len, compress_buff, compress_size,
		 &compress_size);
	err = bootm_decomp_image(comp_type, load_addr, image_start,
				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
				 compress_buff, compress_size, unc_len,
				 &load_end);
	if (err)
		return err;
	err = bootm_decomp_image(comp_type, load_addr, image_start,
				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
				 compress_buff, compress_size, unc_len - 1,
				 &load_end);
	if (!err)
		return -EINVAL;

	/* We can't detect corruption when not decompressing */
	if (comp_type == IH_COMP_NONE)
		return 0;
	memset(compress_buff + compress_size / 2, '\x49',
	       compress_size / 2);
	err = bootm_decomp_image(comp_type, load_addr, image_start,
				 IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
				 compress_buff, compress_size, 0x10000,
				 &load_end);
	if (!err)
		return -EINVAL;

	return 0;
}
Esempio n. 3
0
/**
 * handle_decomp_error() - display a decompression error
 *
 * This function tries to produce a useful message. In the case where the
 * uncompressed size is the same as the available space, we can assume that
 * the image is too large for the buffer.
 *
 * @comp_type:		Compression type being used (IH_COMP_...)
 * @uncomp_size:	Number of bytes uncompressed
 * @unc_len:		Amount of space available for decompression
 * @ret:		Error code to report
 * @return BOOTM_ERR_RESET, indicating that the board must be reset
 */
static int handle_decomp_error(int comp_type, size_t uncomp_size,
			       size_t unc_len, int ret)
{
	const char *name = genimg_get_comp_name(comp_type);

	if (uncomp_size >= unc_len)
		printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
	else
		printf("%s: uncompress error %d\n", name, ret);

	/*
	 * The decompression routines are now safe, so will not write beyond
	 * their bounds. Probably it is not necessary to reset, but maintain
	 * the current behaviour for now.
	 */
	printf("Must RESET board to recover\n");
#ifndef USE_HOSTCC
	bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
#endif

	return BOOTM_ERR_RESET;
}
Esempio n. 4
0
/**
 * fit_image_print - prints out the FIT component image details
 * @fit: pointer to the FIT format image header
 * @image_noffset: offset of the component image node
 * @p: pointer to prefix string
 *
 * fit_image_print() lists all mandatory properies for the processed component
 * image. If present, hash nodes are printed out as well. Load
 * address for images of type firmware is also printed out. Since the load
 * address is not mandatory for firmware images, it will be output as
 * "unavailable" when not present.
 *
 * returns:
 *     no returned results
 */
void fit_image_print(const void *fit, int image_noffset, const char *p)
{
	char *desc;
	uint8_t type, arch, os, comp;
	size_t size;
	ulong load, entry;
	const void *data;
	int noffset;
	int ndepth;
	int ret;

	/* Mandatory properties */
	ret = fit_get_desc(fit, image_noffset, &desc);
	printf("%s  Description:  ", p);
	if (ret)
		printf("unavailable\n");
	else
		printf("%s\n", desc);

	fit_image_get_type(fit, image_noffset, &type);
	printf("%s  Type:         %s\n", p, genimg_get_type_name(type));

	fit_image_get_comp(fit, image_noffset, &comp);
	printf("%s  Compression:  %s\n", p, genimg_get_comp_name(comp));

	ret = fit_image_get_data(fit, image_noffset, &data, &size);

#ifndef USE_HOSTCC
	printf("%s  Data Start:   ", p);
	if (ret) {
		printf("unavailable\n");
	} else {
		void *vdata = (void *)data;

		printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
	}
#endif

	printf("%s  Data Size:    ", p);
	if (ret)
		printf("unavailable\n");
	else
		genimg_print_size(size);

	/* Remaining, type dependent properties */
	if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
	    (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
	    (type == IH_TYPE_FLATDT)) {
		fit_image_get_arch(fit, image_noffset, &arch);
		printf("%s  Architecture: %s\n", p, genimg_get_arch_name(arch));
	}

	if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
		fit_image_get_os(fit, image_noffset, &os);
		printf("%s  OS:           %s\n", p, genimg_get_os_name(os));
	}

	if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
	    (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
		ret = fit_image_get_load(fit, image_noffset, &load);
		printf("%s  Load Address: ", p);
		if (ret)
			printf("unavailable\n");
		else
			printf("0x%08lx\n", load);
	}

	if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
	    (type == IH_TYPE_RAMDISK)) {
		fit_image_get_entry(fit, image_noffset, &entry);
		printf("%s  Entry Point:  ", p);
		if (ret)
			printf("unavailable\n");
		else
			printf("0x%08lx\n", entry);
	}

	/* Process all hash subnodes of the component image node */
	for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
	     (noffset >= 0) && (ndepth > 0);
	     noffset = fdt_next_node(fit, noffset, &ndepth)) {
		if (ndepth == 1) {
			/* Direct child node of the component image node */
			fit_image_print_verification_data(fit, noffset, p);
		}
	}
}
Esempio n. 5
0
/**
 * spl_load_fit_image(): load the image described in a certain FIT node
 * @info:	points to information about the device to load data from
 * @sector:	the start sector of the FIT image on the device
 * @fit:	points to the flattened device tree blob describing the FIT
 *		image
 * @base_offset: the beginning of the data area containing the actual
 *		image data, relative to the beginning of the FIT
 * @node:	offset of the DT node describing the image to load (relative
 *		to @fit)
 * @image_info:	will be filled with information about the loaded image
 *		If the FIT node does not contain a "load" (address) property,
 *		the image gets loaded to the address pointed to by the
 *		load_addr member in this struct.
 *
 * Return:	0 on success or a negative error number.
 */
static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
			      void *fit, ulong base_offset, int node,
			      struct spl_image_info *image_info)
{
	int offset;
	size_t length;
	int len;
	ulong size;
	ulong load_addr, load_ptr;
	void *src;
	ulong overhead;
	int nr_sectors;
	int align_len = ARCH_DMA_MINALIGN - 1;
	uint8_t image_comp = -1, type = -1;
	const void *data;

	if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && IS_ENABLED(CONFIG_SPL_GZIP)) {
		if (fit_image_get_comp(fit, node, &image_comp))
			puts("Cannot get image compression format.\n");
		else
			debug("%s ", genimg_get_comp_name(image_comp));

		if (fit_image_get_type(fit, node, &type))
			puts("Cannot get image type.\n");
		else
			debug("%s ", genimg_get_type_name(type));
	}

	if (fit_image_get_load(fit, node, &load_addr))
		load_addr = image_info->load_addr;

	if (!fit_image_get_data_offset(fit, node, &offset)) {
		/* External data */
		offset += base_offset;
		if (fit_image_get_data_size(fit, node, &len))
			return -ENOENT;

		load_ptr = (load_addr + align_len) & ~align_len;
		length = len;

		overhead = get_aligned_image_overhead(info, offset);
		nr_sectors = get_aligned_image_size(info, length, offset);

		if (info->read(info,
			       sector + get_aligned_image_offset(info, offset),
			       nr_sectors, (void *)load_ptr) != nr_sectors)
			return -EIO;

		debug("External data: dst=%lx, offset=%x, size=%lx\n",
		      load_ptr, offset, (unsigned long)length);
		src = (void *)load_ptr + overhead;
	} else {
		/* Embedded data */
		if (fit_image_get_data(fit, node, &data, &length)) {
			puts("Cannot get image data/size\n");
			return -ENOENT;
		}
		debug("Embedded data: dst=%lx, size=%lx\n", load_addr,
		      (unsigned long)length);
		src = (void *)data;
	}

#ifdef CONFIG_SPL_FIT_IMAGE_POST_PROCESS
	board_fit_image_post_process(&src, &length);
#endif

	if (IS_ENABLED(CONFIG_SPL_OS_BOOT)	&&
	    IS_ENABLED(CONFIG_SPL_GZIP)		&&
	    image_comp == IH_COMP_GZIP		&&
	    type == IH_TYPE_KERNEL) {
		size = length;
		if (gunzip((void *)load_addr, CONFIG_SYS_BOOTM_LEN,
			   src, &size)) {
			puts("Uncompressing error\n");
			return -EIO;
		}
		length = size;
	} else {
		memcpy((void *)load_addr, src, length);
	}

	if (image_info) {
		image_info->load_addr = load_addr;
		image_info->size = length;
		image_info->entry_point = fdt_getprop_u32(fit, node, "entry");
	}

	return 0;
}