+ ret = bootm_load_os(images.os, &load_end, 1);
+
+ if (ret < 0) {
+ if (ret == BOOTM_ERR_RESET)
+ do_reset (cmdtp, flag, argc, argv);
+ if (ret == BOOTM_ERR_OVERLAP) {
+ if (images.legacy_hdr_valid) {
+ if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
+ puts ("WARNING: legacy format multi component "
+ "image overwritten\n");
+ } else {
+ puts ("ERROR: new format image overwritten - "
+ "must RESET the board to recover\n");
+ show_boot_progress (-113);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+ }
+ if (ret == BOOTM_ERR_UNIMPLEMENTED) {
+ if (iflag)
+ enable_interrupts();
+ show_boot_progress (-7);
+ return 1;
+ }
+ }
+
+ lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
+
+ if (images.os.type == IH_TYPE_STANDALONE) {
+ if (iflag)
+ enable_interrupts();
+ /* This may return when 'autostart' is 'no' */
+ bootm_start_standalone(iflag, argc, argv);
+ return 0;
+ }
+
+ show_boot_progress (8);
+
+#ifdef CONFIG_SILENT_CONSOLE
+ if (images.os.os == IH_OS_LINUX)
+ fixup_silent_linux();
+#endif
+
+ boot_fn = boot_os[images.os.os];
+
+ if (boot_fn == NULL) {
+ if (iflag)
+ enable_interrupts();
+ printf ("ERROR: booting os '%s' (%d) is not supported\n",
+ genimg_get_os_name(images.os.os), images.os.os);
+ show_boot_progress (-8);
+ return 1;
+ }
+
+ arch_preboot_os();
+
+ boot_fn(0, argc, argv, &images);
+
+ show_boot_progress (-9);
+#ifdef DEBUG
+ puts ("\n## Control returned to monitor - resetting...\n");
+#endif
+ do_reset (cmdtp, flag, argc, argv);
+
+ return 1;
+}
+
+/**
+ * image_get_kernel - verify legacy format kernel image
+ * @img_addr: in RAM address of the legacy format image to be verified
+ * @verify: data CRC verification flag
+ *
+ * image_get_kernel() verifies legacy image integrity and returns pointer to
+ * legacy image header if image verification was completed successfully.
+ *
+ * returns:
+ * pointer to a legacy image header if valid image was found
+ * otherwise return NULL
+ */
+static image_header_t *image_get_kernel (ulong img_addr, int verify)
+{
+ image_header_t *hdr = (image_header_t *)img_addr;
+
+ if (!image_check_magic(hdr)) {
+ puts ("Bad Magic Number\n");
+ show_boot_progress (-1);
+ return NULL;
+ }
+ show_boot_progress (2);
+
+ if (!image_check_hcrc (hdr)) {
+ puts ("Bad Header Checksum\n");
+ show_boot_progress (-2);
+ return NULL;
+ }
+
+ show_boot_progress (3);
+ image_print_contents (hdr);
+
+ if (verify) {
+ puts (" Verifying Checksum ... ");
+ if (!image_check_dcrc (hdr)) {
+ printf ("Bad Data CRC\n");
+ show_boot_progress (-3);
+ return NULL;
+ }
+ puts ("OK\n");
+ }
+ show_boot_progress (4);
+
+ if (!image_check_target_arch (hdr)) {
+ printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
+ show_boot_progress (-4);
+ return NULL;
+ }
+ return hdr;
+}
+
+/**
+ * fit_check_kernel - verify FIT format kernel subimage
+ * @fit_hdr: pointer to the FIT image header
+ * os_noffset: kernel subimage node offset within FIT image
+ * @verify: data CRC verification flag
+ *
+ * fit_check_kernel() verifies integrity of the kernel subimage and from
+ * specified FIT image.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+#if defined (CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify)
+{
+ fit_image_print (fit, os_noffset, " ");
+
+ if (verify) {
+ puts (" Verifying Hash Integrity ... ");
+ if (!fit_image_check_hashes (fit, os_noffset)) {
+ puts ("Bad Data Hash\n");
+ show_boot_progress (-104);
+ return 0;
+ }
+ puts ("OK\n");
+ }
+ show_boot_progress (105);
+
+ if (!fit_image_check_target_arch (fit, os_noffset)) {
+ puts ("Unsupported Architecture\n");
+ show_boot_progress (-105);
+ return 0;
+ }
+
+ show_boot_progress (106);
+ if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
+ puts ("Not a kernel image\n");
+ show_boot_progress (-106);
+ return 0;
+ }
+
+ show_boot_progress (107);
+ return 1;
+}
+#endif /* CONFIG_FIT */
+
+/**
+ * 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));