image.c

 * offset.
 *
 * returns:
 *     image node offset when found (>=0)
 *     negative number on failure (FDT_ERR_* code)
 */
int fit_conf_get_kernel_node (const void *fit, int noffset)
{
	return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP);
}

/**
 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
 * a given configuration
 * @fit: pointer to the FIT format image header
 * @noffset: configuration node offset
 *
 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
 * configuration FIT_KERNEL_PROP property and translates it to the node
 * offset.
 *
 * returns:
 *     image node offset when found (>=0)
 *     negative number on failure (FDT_ERR_* code)
 */
int fit_conf_get_ramdisk_node (const void *fit, int noffset)
{
	return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP);
}

/**
 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
 * a given configuration
 * @fit: pointer to the FIT format image header
 * @noffset: configuration node offset
 *
 * fit_conf_get_fdt_node() retrives fdt image node unit name from
 * configuration FIT_KERNEL_PROP property and translates it to the node
 * offset.
 *
 * returns:
 *     image node offset when found (>=0)
 *     negative number on failure (FDT_ERR_* code)
 */
int fit_conf_get_fdt_node (const void *fit, int noffset)
{
	return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP);
}

/**
 * fit_conf_print - prints out the FIT configuration details
 * @fit: pointer to the FIT format image header
 * @noffset: offset of the configuration node
 * @p: pointer to prefix string
 *
 * fit_conf_print() lists all mandatory properies for the processed
 * configuration node.
 *
 * returns:
 *     no returned results
 */
void fit_conf_print (const void *fit, int noffset, const char *p)
{
	char *desc;
	char *uname;
	int ret;

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

	uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL);
	printf ("%s  Kernel:       ", p);
	if (uname == NULL)
		printf ("unavailable\n");
	else
		printf ("%s\n", uname);

	/* Optional properties */
	uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL);
	if (uname)
		printf ("%s  Init Ramdisk: %s\n", p, uname);

	uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL);
	if (uname)
		printf ("%s  FDT:          %s\n", p, uname);
}

/**
 * fit_check_ramdisk - verify FIT format ramdisk subimage
 * @fit_hdr: pointer to the FIT ramdisk header
 * @rd_noffset: ramdisk subimage node offset within FIT image
 * @arch: requested ramdisk image architecture type
 * @verify: data CRC verification flag
 *
 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
 * specified FIT image.
 *
 * returns:
 *     1, on success
 *     0, on failure
 */
#ifndef USE_HOSTCC
static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify)
{
	fit_image_print (fit, rd_noffset, "   ");

	if (verify) {
		puts ("   Verifying Hash Integrity ... ");
		if (!fit_image_check_hashes (fit, rd_noffset)) {
			puts ("Bad Data Hash\n");
			show_boot_progress (-125);
			return 0;
		}
		puts ("OK\n");
	}

	show_boot_progress (126);
	if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) ||
	    !fit_image_check_arch (fit, rd_noffset, arch) ||
	    !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) {
		printf ("No Linux %s Ramdisk Image\n",
				genimg_get_arch_name(arch));
		show_boot_progress (-126);
		return 0;
	}

	show_boot_progress (127);
	return 1;
}
#endif /* USE_HOSTCC */
#endif /* CONFIG_FIT */