2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <bootstage.h>
12 #include <fdt_support.h>
16 #include <linux/lzo.h>
17 #include <lzma/LzmaTypes.h>
18 #include <lzma/LzmaDec.h>
19 #include <lzma/LzmaTools.h>
20 #if defined(CONFIG_CMD_USB)
31 #ifndef CONFIG_SYS_BOOTM_LEN
32 /* use 8MByte as default max gunzip size */
33 #define CONFIG_SYS_BOOTM_LEN 0x800000
36 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
40 DECLARE_GLOBAL_DATA_PTR;
42 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
43 char * const argv[], bootm_headers_t *images,
44 ulong *os_data, ulong *os_len);
47 static void boot_start_lmb(bootm_headers_t *images)
52 lmb_init(&images->lmb);
54 mem_start = getenv_bootm_low();
55 mem_size = getenv_bootm_size();
57 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
59 arch_lmb_reserve(&images->lmb);
60 board_lmb_reserve(&images->lmb);
63 #define lmb_reserve(lmb, base, size)
64 static inline void boot_start_lmb(bootm_headers_t *images) { }
67 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc,
70 memset((void *)&images, 0, sizeof(images));
71 images.verify = getenv_yesno("verify");
73 boot_start_lmb(&images);
75 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
76 images.state = BOOTM_STATE_START;
81 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
85 bool ep_found = false;
87 /* get kernel image header, start address and length */
88 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
89 &images, &images.os.image_start, &images.os.image_len);
90 if (images.os.image_len == 0) {
91 puts("ERROR: can't get kernel image!\n");
95 /* get image parameters */
96 switch (genimg_get_format(os_hdr)) {
97 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
98 case IMAGE_FORMAT_LEGACY:
99 images.os.type = image_get_type(os_hdr);
100 images.os.comp = image_get_comp(os_hdr);
101 images.os.os = image_get_os(os_hdr);
103 images.os.end = image_get_image_end(os_hdr);
104 images.os.load = image_get_load(os_hdr);
107 #if defined(CONFIG_FIT)
108 case IMAGE_FORMAT_FIT:
109 if (fit_image_get_type(images.fit_hdr_os,
110 images.fit_noffset_os,
112 puts("Can't get image type!\n");
113 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
117 if (fit_image_get_comp(images.fit_hdr_os,
118 images.fit_noffset_os,
120 puts("Can't get image compression!\n");
121 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
125 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
127 puts("Can't get image OS!\n");
128 bootstage_error(BOOTSTAGE_ID_FIT_OS);
132 images.os.end = fit_get_end(images.fit_hdr_os);
134 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
136 puts("Can't get image load address!\n");
137 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
142 #ifdef CONFIG_ANDROID_BOOT_IMAGE
143 case IMAGE_FORMAT_ANDROID:
144 images.os.type = IH_TYPE_KERNEL;
145 images.os.comp = IH_COMP_NONE;
146 images.os.os = IH_OS_LINUX;
147 images.ep = images.os.load;
150 images.os.end = android_image_get_end(os_hdr);
151 images.os.load = android_image_get_kload(os_hdr);
155 puts("ERROR: unknown image format type!\n");
159 /* find kernel entry point */
160 if (images.legacy_hdr_valid) {
161 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
162 #if defined(CONFIG_FIT)
163 } else if (images.fit_uname_os) {
166 ret = fit_image_get_entry(images.fit_hdr_os,
167 images.fit_noffset_os, &images.ep);
169 puts("Can't get entry point property!\n");
173 } else if (!ep_found) {
174 puts("Could not find kernel entry point!\n");
178 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
179 images.os.load = images.os.image_start;
180 images.ep += images.os.load;
183 images.os.start = (ulong)os_hdr;
188 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
193 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
194 &images.rd_start, &images.rd_end);
196 puts("Ramdisk image is corrupt or invalid\n");
203 #if defined(CONFIG_OF_LIBFDT)
204 static int bootm_find_fdt(int flag, int argc, char * const argv[])
208 /* find flattened device tree */
209 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
210 &images.ft_addr, &images.ft_len);
212 puts("Could not find a valid device tree\n");
216 set_working_fdt_addr(images.ft_addr);
222 int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[])
224 if (bootm_find_ramdisk(flag, argc, argv))
227 #if defined(CONFIG_OF_LIBFDT)
228 if (bootm_find_fdt(flag, argc, argv))
235 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
238 if (((images.os.type == IH_TYPE_KERNEL) ||
239 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
240 (images.os.type == IH_TYPE_MULTI)) &&
241 (images.os.os == IH_OS_LINUX ||
242 images.os.os == IH_OS_VXWORKS))
243 return bootm_find_ramdisk_fdt(flag, argc, argv);
249 * decomp_image() - decompress the operating system
251 * @comp: Compression algorithm that is used (IH_COMP_...)
252 * @load: Destination load address in U-Boot memory
253 * @image_start Image start address (where we are decompressing from)
254 * @type: OS type (IH_OS_...)
255 * @load_bug: Place to decompress to
256 * @image_buf: Address to decompress from
257 * @return 0 if OK, -ve on error (BOOTM_ERR_...)
259 static int decomp_image(int comp, ulong load, ulong image_start, int type,
260 void *load_buf, void *image_buf, ulong image_len,
263 const char *type_name = genimg_get_type_name(type);
264 __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN;
269 if (load == image_start) {
270 printf(" XIP %s ... ", type_name);
272 printf(" Loading %s ... ", type_name);
273 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
275 *load_end = load + image_len;
279 printf(" Uncompressing %s ... ", type_name);
280 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
281 puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n");
282 return BOOTM_ERR_RESET;
285 *load_end = load + image_len;
287 #endif /* CONFIG_GZIP */
290 printf(" Uncompressing %s ... ", type_name);
292 * If we've got less than 4 MB of malloc() space,
293 * use slower decompression algorithm which requires
294 * at most 2300 KB of memory.
296 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
297 image_buf, image_len,
298 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
300 printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n",
302 return BOOTM_ERR_RESET;
305 *load_end = load + unc_len;
307 #endif /* CONFIG_BZIP2 */
310 SizeT lzma_len = unc_len;
313 printf(" Uncompressing %s ... ", type_name);
315 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
316 image_buf, image_len);
319 printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n",
321 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
322 return BOOTM_ERR_RESET;
324 *load_end = load + unc_len;
327 #endif /* CONFIG_LZMA */
330 size_t size = unc_len;
333 printf(" Uncompressing %s ... ", type_name);
335 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
336 if (ret != LZO_E_OK) {
337 printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n",
339 return BOOTM_ERR_RESET;
342 *load_end = load + size;
345 #endif /* CONFIG_LZO */
347 printf("Unimplemented compression type %d\n", comp);
348 return BOOTM_ERR_UNIMPLEMENTED;
356 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
359 image_info_t os = images->os;
360 ulong load = os.load;
361 ulong blob_start = os.start;
362 ulong blob_end = os.end;
363 ulong image_start = os.image_start;
364 ulong image_len = os.image_len;
366 void *load_buf, *image_buf;
369 load_buf = map_sysmem(load, 0);
370 image_buf = map_sysmem(os.image_start, image_len);
371 err = decomp_image(os.comp, load, os.image_start, os.type, load_buf,
372 image_buf, image_len, load_end);
374 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
377 flush_cache(load, (*load_end - load) * sizeof(ulong));
379 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
380 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
382 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
384 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
385 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
386 blob_start, blob_end);
387 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
390 /* Check what type of image this is. */
391 if (images->legacy_hdr_valid) {
392 if (image_get_type(&images->legacy_hdr_os_copy)
394 puts("WARNING: legacy format multi component image overwritten\n");
395 return BOOTM_ERR_OVERLAP;
397 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
398 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
399 return BOOTM_ERR_RESET;
407 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
409 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
412 ulong bootm_disable_interrupts(void)
417 * We have reached the point of no return: we are going to
418 * overwrite all exception vector code, so we cannot easily
419 * recover from any failures any more...
421 iflag = disable_interrupts();
422 #ifdef CONFIG_NETCONSOLE
423 /* Stop the ethernet stack if NetConsole could have left it up */
425 eth_unregister(eth_get_dev());
428 #if defined(CONFIG_CMD_USB)
430 * turn off USB to prevent the host controller from writing to the
431 * SDRAM while Linux is booting. This could happen (at least for OHCI
432 * controller), because the HCCA (Host Controller Communication Area)
433 * lies within the SDRAM and the host controller writes continously to
434 * this area (as busmaster!). The HccaFrameNumber is for example
435 * updated every 1 ms within the HCCA structure in SDRAM! For more
436 * details see the OpenHCI specification.
443 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
445 #define CONSOLE_ARG "console="
446 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
448 static void fixup_silent_linux(void)
452 char *cmdline = getenv("bootargs");
456 * Only fix cmdline when requested. The environment variable can be:
458 * no - we never fixup
459 * yes - we always fixup
460 * unset - we rely on the console silent flag
462 want_silent = getenv_yesno("silent_linux");
463 if (want_silent == 0)
465 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
468 debug("before silent fix-up: %s\n", cmdline);
469 if (cmdline && (cmdline[0] != '\0')) {
470 char *start = strstr(cmdline, CONSOLE_ARG);
472 /* Allocate space for maximum possible new command line */
473 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
475 debug("%s: out of memory\n", __func__);
480 char *end = strchr(start, ' ');
481 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
483 strncpy(buf, cmdline, num_start_bytes);
485 strcpy(buf + num_start_bytes, end);
487 buf[num_start_bytes] = '\0';
489 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
494 env_val = CONSOLE_ARG;
497 setenv("bootargs", env_val);
498 debug("after silent fix-up: %s\n", env_val);
501 #endif /* CONFIG_SILENT_CONSOLE */
504 * Execute selected states of the bootm command.
506 * Note the arguments to this state must be the first argument, Any 'bootm'
507 * or sub-command arguments must have already been taken.
509 * Note that if states contains more than one flag it MUST contain
510 * BOOTM_STATE_START, since this handles and consumes the command line args.
512 * Also note that aside from boot_os_fn functions and bootm_load_os no other
513 * functions we store the return value of in 'ret' may use a negative return
514 * value, without special handling.
516 * @param cmdtp Pointer to bootm command table entry
517 * @param flag Command flags (CMD_FLAG_...)
518 * @param argc Number of subcommand arguments (0 = no arguments)
519 * @param argv Arguments
520 * @param states Mask containing states to run (BOOTM_STATE_...)
521 * @param images Image header information
522 * @param boot_progress 1 to show boot progress, 0 to not do this
523 * @return 0 if ok, something else on error. Some errors will cause this
524 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
525 * then the intent is to boot an OS, so this function will not return
526 * unless the image type is standalone.
528 int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
529 int states, bootm_headers_t *images, int boot_progress)
533 int ret = 0, need_boot_fn;
535 images->state |= states;
538 * Work through the states and see how far we get. We stop on
541 if (states & BOOTM_STATE_START)
542 ret = bootm_start(cmdtp, flag, argc, argv);
544 if (!ret && (states & BOOTM_STATE_FINDOS))
545 ret = bootm_find_os(cmdtp, flag, argc, argv);
547 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
548 ret = bootm_find_other(cmdtp, flag, argc, argv);
549 argc = 0; /* consume the args */
553 if (!ret && (states & BOOTM_STATE_LOADOS)) {
556 iflag = bootm_disable_interrupts();
557 ret = bootm_load_os(images, &load_end, 0);
559 lmb_reserve(&images->lmb, images->os.load,
560 (load_end - images->os.load));
561 else if (ret && ret != BOOTM_ERR_OVERLAP)
563 else if (ret == BOOTM_ERR_OVERLAP)
565 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
566 if (images->os.os == IH_OS_LINUX)
567 fixup_silent_linux();
571 /* Relocate the ramdisk */
572 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
573 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
574 ulong rd_len = images->rd_end - images->rd_start;
576 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
577 rd_len, &images->initrd_start, &images->initrd_end);
579 setenv_hex("initrd_start", images->initrd_start);
580 setenv_hex("initrd_end", images->initrd_end);
584 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
585 if (!ret && (states & BOOTM_STATE_FDT)) {
586 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
587 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
592 /* From now on, we need the OS boot function */
595 boot_fn = bootm_os_get_boot_func(images->os.os);
596 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
597 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
598 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
599 if (boot_fn == NULL && need_boot_fn) {
602 printf("ERROR: booting os '%s' (%d) is not supported\n",
603 genimg_get_os_name(images->os.os), images->os.os);
604 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
608 /* Call various other states that are not generally used */
609 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
610 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
611 if (!ret && (states & BOOTM_STATE_OS_BD_T))
612 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
613 if (!ret && (states & BOOTM_STATE_OS_PREP))
614 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
617 /* Pretend to run the OS, then run a user command */
618 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
619 char *cmd_list = getenv("fakegocmd");
621 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
623 if (!ret && cmd_list)
624 ret = run_command_list(cmd_list, -1, flag);
628 /* Check for unsupported subcommand. */
630 puts("subcommand not supported\n");
634 /* Now run the OS! We hope this doesn't return */
635 if (!ret && (states & BOOTM_STATE_OS_GO))
636 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
639 /* Deal with any fallout */
644 if (ret == BOOTM_ERR_UNIMPLEMENTED)
645 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
646 else if (ret == BOOTM_ERR_RESET)
647 do_reset(cmdtp, flag, argc, argv);
652 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
654 * image_get_kernel - verify legacy format kernel image
655 * @img_addr: in RAM address of the legacy format image to be verified
656 * @verify: data CRC verification flag
658 * image_get_kernel() verifies legacy image integrity and returns pointer to
659 * legacy image header if image verification was completed successfully.
662 * pointer to a legacy image header if valid image was found
663 * otherwise return NULL
665 static image_header_t *image_get_kernel(ulong img_addr, int verify)
667 image_header_t *hdr = (image_header_t *)img_addr;
669 if (!image_check_magic(hdr)) {
670 puts("Bad Magic Number\n");
671 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
674 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
676 if (!image_check_hcrc(hdr)) {
677 puts("Bad Header Checksum\n");
678 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
682 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
683 image_print_contents(hdr);
686 puts(" Verifying Checksum ... ");
687 if (!image_check_dcrc(hdr)) {
688 printf("Bad Data CRC\n");
689 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
694 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
696 if (!image_check_target_arch(hdr)) {
697 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
698 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
706 * boot_get_kernel - find kernel image
707 * @os_data: pointer to a ulong variable, will hold os data start address
708 * @os_len: pointer to a ulong variable, will hold os data length
710 * boot_get_kernel() tries to find a kernel image, verifies its integrity
711 * and locates kernel data.
714 * pointer to image header if valid image was found, plus kernel start
715 * address and length, otherwise NULL
717 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
718 char * const argv[], bootm_headers_t *images,
719 ulong *os_data, ulong *os_len)
721 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
726 #if defined(CONFIG_FIT)
727 const char *fit_uname_config = NULL;
728 const char *fit_uname_kernel = NULL;
732 /* find out kernel image address */
734 img_addr = load_addr;
735 debug("* kernel: default image load address = 0x%08lx\n",
737 #if defined(CONFIG_FIT)
738 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
739 &fit_uname_config)) {
740 debug("* kernel: config '%s' from image at 0x%08lx\n",
741 fit_uname_config, img_addr);
742 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
743 &fit_uname_kernel)) {
744 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
745 fit_uname_kernel, img_addr);
748 img_addr = simple_strtoul(argv[0], NULL, 16);
749 debug("* kernel: cmdline image address = 0x%08lx\n",
753 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
755 /* copy from dataflash if needed */
756 img_addr = genimg_get_image(img_addr);
758 /* check image type, for FIT images get FIT kernel node */
759 *os_data = *os_len = 0;
760 buf = map_sysmem(img_addr, 0);
761 switch (genimg_get_format(buf)) {
762 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
763 case IMAGE_FORMAT_LEGACY:
764 printf("## Booting kernel from Legacy Image at %08lx ...\n",
766 hdr = image_get_kernel(img_addr, images->verify);
769 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
771 /* get os_data and os_len */
772 switch (image_get_type(hdr)) {
774 case IH_TYPE_KERNEL_NOLOAD:
775 *os_data = image_get_data(hdr);
776 *os_len = image_get_data_size(hdr);
779 image_multi_getimg(hdr, 0, os_data, os_len);
781 case IH_TYPE_STANDALONE:
782 *os_data = image_get_data(hdr);
783 *os_len = image_get_data_size(hdr);
786 printf("Wrong Image Type for %s command\n",
788 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
793 * copy image header to allow for image overwrites during
794 * kernel decompression.
796 memmove(&images->legacy_hdr_os_copy, hdr,
797 sizeof(image_header_t));
799 /* save pointer to image header */
800 images->legacy_hdr_os = hdr;
802 images->legacy_hdr_valid = 1;
803 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
806 #if defined(CONFIG_FIT)
807 case IMAGE_FORMAT_FIT:
808 os_noffset = fit_image_load(images, img_addr,
809 &fit_uname_kernel, &fit_uname_config,
810 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
811 BOOTSTAGE_ID_FIT_KERNEL_START,
812 FIT_LOAD_IGNORED, os_data, os_len);
816 images->fit_hdr_os = map_sysmem(img_addr, 0);
817 images->fit_uname_os = fit_uname_kernel;
818 images->fit_uname_cfg = fit_uname_config;
819 images->fit_noffset_os = os_noffset;
822 #ifdef CONFIG_ANDROID_BOOT_IMAGE
823 case IMAGE_FORMAT_ANDROID:
824 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
825 if (android_image_get_kernel(buf, images->verify,
831 printf("Wrong Image Format for %s command\n", cmdtp->name);
832 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
836 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
837 *os_data, *os_len, *os_len);
842 #endif /* ndef USE_HOSTCC */