1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 #include <fdt_support.h>
21 #include <asm/cache.h>
22 #include <asm/global_data.h>
24 #include <linux/sizes.h>
25 #if defined(CONFIG_CMD_USB)
36 #ifndef CONFIG_SYS_BOOTM_LEN
37 /* use 8MByte as default max gunzip size */
38 #define CONFIG_SYS_BOOTM_LEN 0x800000
41 #define MAX_CMDLINE_SIZE SZ_4K
43 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
47 DECLARE_GLOBAL_DATA_PTR;
49 bootm_headers_t images; /* pointers to os/initrd/fdt images */
51 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
52 char *const argv[], bootm_headers_t *images,
53 ulong *os_data, ulong *os_len);
55 __weak void board_quiesce_devices(void)
60 static void boot_start_lmb(bootm_headers_t *images)
65 mem_start = env_get_bootm_low();
66 mem_size = env_get_bootm_size();
68 lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
72 #define lmb_reserve(lmb, base, size)
73 static inline void boot_start_lmb(bootm_headers_t *images) { }
76 static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc,
79 memset((void *)&images, 0, sizeof(images));
80 images.verify = env_get_yesno("verify");
82 boot_start_lmb(&images);
84 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
85 images.state = BOOTM_STATE_START;
90 static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
94 bool ep_found = false;
97 /* get kernel image header, start address and length */
98 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
99 &images, &images.os.image_start, &images.os.image_len);
100 if (images.os.image_len == 0) {
101 puts("ERROR: can't get kernel image!\n");
105 /* get image parameters */
106 switch (genimg_get_format(os_hdr)) {
107 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
108 case IMAGE_FORMAT_LEGACY:
109 images.os.type = image_get_type(os_hdr);
110 images.os.comp = image_get_comp(os_hdr);
111 images.os.os = image_get_os(os_hdr);
113 images.os.end = image_get_image_end(os_hdr);
114 images.os.load = image_get_load(os_hdr);
115 images.os.arch = image_get_arch(os_hdr);
118 #if CONFIG_IS_ENABLED(FIT)
119 case IMAGE_FORMAT_FIT:
120 if (fit_image_get_type(images.fit_hdr_os,
121 images.fit_noffset_os,
123 puts("Can't get image type!\n");
124 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
128 if (fit_image_get_comp(images.fit_hdr_os,
129 images.fit_noffset_os,
131 puts("Can't get image compression!\n");
132 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
136 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
138 puts("Can't get image OS!\n");
139 bootstage_error(BOOTSTAGE_ID_FIT_OS);
143 if (fit_image_get_arch(images.fit_hdr_os,
144 images.fit_noffset_os,
146 puts("Can't get image ARCH!\n");
150 images.os.end = fit_get_end(images.fit_hdr_os);
152 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
154 puts("Can't get image load address!\n");
155 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
160 #ifdef CONFIG_ANDROID_BOOT_IMAGE
161 case IMAGE_FORMAT_ANDROID:
162 images.os.type = IH_TYPE_KERNEL;
163 images.os.comp = android_image_get_kcomp(os_hdr);
164 images.os.os = IH_OS_LINUX;
166 images.os.end = android_image_get_end(os_hdr);
167 images.os.load = android_image_get_kload(os_hdr);
168 images.ep = images.os.load;
173 puts("ERROR: unknown image format type!\n");
177 /* If we have a valid setup.bin, we will use that for entry (x86) */
178 if (images.os.arch == IH_ARCH_I386 ||
179 images.os.arch == IH_ARCH_X86_64) {
182 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
183 if (ret < 0 && ret != -ENOENT) {
184 puts("Could not find a valid setup.bin for x86\n");
187 /* Kernel entry point is the setup.bin */
188 } else if (images.legacy_hdr_valid) {
189 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
190 #if CONFIG_IS_ENABLED(FIT)
191 } else if (images.fit_uname_os) {
194 ret = fit_image_get_entry(images.fit_hdr_os,
195 images.fit_noffset_os, &images.ep);
197 puts("Can't get entry point property!\n");
201 } else if (!ep_found) {
202 puts("Could not find kernel entry point!\n");
206 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
207 if (CONFIG_IS_ENABLED(CMD_BOOTI) &&
208 images.os.arch == IH_ARCH_ARM64) {
212 ret = booti_setup(images.os.image_start, &image_addr,
217 images.os.type = IH_TYPE_KERNEL;
218 images.os.load = image_addr;
219 images.ep = image_addr;
221 images.os.load = images.os.image_start;
222 images.ep += images.os.image_start;
226 images.os.start = map_to_sysmem(os_hdr);
232 * bootm_find_images - wrapper to find and locate various images
233 * @flag: Ignored Argument
234 * @argc: command argument count
235 * @argv: command argument list
236 * @start: OS image start address
237 * @size: OS image size
239 * boot_find_images() will attempt to load an available ramdisk,
240 * flattened device tree, as well as specifically marked
241 * "loadable" images (loadables are FIT only)
243 * Note: bootm_find_images will skip an image if it is not found
246 * 0, if all existing images were loaded correctly
247 * 1, if an image is found but corrupted, or invalid
249 int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
255 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
256 &images.rd_start, &images.rd_end);
258 puts("Ramdisk image is corrupt or invalid\n");
262 /* check if ramdisk overlaps OS image */
263 if (images.rd_start && (((ulong)images.rd_start >= start &&
264 (ulong)images.rd_start < start + size) ||
265 ((ulong)images.rd_end > start &&
266 (ulong)images.rd_end <= start + size) ||
267 ((ulong)images.rd_start < start &&
268 (ulong)images.rd_end >= start + size))) {
269 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
270 start, start + size);
274 #if CONFIG_IS_ENABLED(OF_LIBFDT)
275 /* find flattened device tree */
276 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
277 &images.ft_addr, &images.ft_len);
279 puts("Could not find a valid device tree\n");
283 /* check if FDT overlaps OS image */
284 if (images.ft_addr &&
285 (((ulong)images.ft_addr >= start &&
286 (ulong)images.ft_addr <= start + size) ||
287 ((ulong)images.ft_addr + images.ft_len >= start &&
288 (ulong)images.ft_addr + images.ft_len <= start + size))) {
289 printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
290 start, start + size);
294 if (CONFIG_IS_ENABLED(CMD_FDT))
295 set_working_fdt_addr(map_to_sysmem(images.ft_addr));
298 #if CONFIG_IS_ENABLED(FIT)
299 if (IS_ENABLED(CONFIG_FPGA)) {
300 /* find bitstreams */
301 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
304 printf("FPGA image is corrupted or invalid\n");
309 /* find all of the loadables */
310 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
313 printf("Loadable(s) is corrupt or invalid\n");
321 static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
324 if (((images.os.type == IH_TYPE_KERNEL) ||
325 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
326 (images.os.type == IH_TYPE_MULTI)) &&
327 (images.os.os == IH_OS_LINUX ||
328 images.os.os == IH_OS_VXWORKS))
329 return bootm_find_images(flag, argc, argv, 0, 0);
333 #endif /* USE_HOSTC */
335 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
337 * handle_decomp_error() - display a decompression error
339 * This function tries to produce a useful message. In the case where the
340 * uncompressed size is the same as the available space, we can assume that
341 * the image is too large for the buffer.
343 * @comp_type: Compression type being used (IH_COMP_...)
344 * @uncomp_size: Number of bytes uncompressed
345 * @ret: errno error code received from compression library
346 * Return: Appropriate BOOTM_ERR_ error code
348 static int handle_decomp_error(int comp_type, size_t uncomp_size, int ret)
350 const char *name = genimg_get_comp_name(comp_type);
352 /* ENOSYS means unimplemented compression type, don't reset. */
354 return BOOTM_ERR_UNIMPLEMENTED;
356 if (uncomp_size >= CONFIG_SYS_BOOTM_LEN)
357 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
359 printf("%s: uncompress error %d\n", name, ret);
362 * The decompression routines are now safe, so will not write beyond
363 * their bounds. Probably it is not necessary to reset, but maintain
364 * the current behaviour for now.
366 printf("Must RESET board to recover\n");
368 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
371 return BOOTM_ERR_RESET;
376 static int bootm_load_os(bootm_headers_t *images, int boot_progress)
378 image_info_t os = images->os;
379 ulong load = os.load;
381 ulong blob_start = os.start;
382 ulong blob_end = os.end;
383 ulong image_start = os.image_start;
384 ulong image_len = os.image_len;
385 ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
387 void *load_buf, *image_buf;
390 load_buf = map_sysmem(load, 0);
391 image_buf = map_sysmem(os.image_start, image_len);
392 err = image_decomp(os.comp, load, os.image_start, os.type,
393 load_buf, image_buf, image_len,
394 CONFIG_SYS_BOOTM_LEN, &load_end);
396 err = handle_decomp_error(os.comp, load_end - load, err);
397 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
400 /* We need the decompressed image size in the next steps */
401 images->os.image_len = load_end - load;
403 flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
405 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
406 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
408 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
410 if (!no_overlap && load < blob_end && load_end > blob_start) {
411 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
412 blob_start, blob_end);
413 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
416 /* Check what type of image this is. */
417 if (images->legacy_hdr_valid) {
418 if (image_get_type(&images->legacy_hdr_os_copy)
420 puts("WARNING: legacy format multi component image overwritten\n");
421 return BOOTM_ERR_OVERLAP;
423 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
424 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
425 return BOOTM_ERR_RESET;
429 lmb_reserve(&images->lmb, images->os.load, (load_end -
435 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
437 * Return: interrupt flag (0 if interrupts were disabled, non-zero if they were
440 ulong bootm_disable_interrupts(void)
445 * We have reached the point of no return: we are going to
446 * overwrite all exception vector code, so we cannot easily
447 * recover from any failures any more...
449 iflag = disable_interrupts();
450 #ifdef CONFIG_NETCONSOLE
451 /* Stop the ethernet stack if NetConsole could have left it up */
453 # ifndef CONFIG_DM_ETH
454 eth_unregister(eth_get_dev());
458 #if defined(CONFIG_CMD_USB)
460 * turn off USB to prevent the host controller from writing to the
461 * SDRAM while Linux is booting. This could happen (at least for OHCI
462 * controller), because the HCCA (Host Controller Communication Area)
463 * lies within the SDRAM and the host controller writes continously to
464 * this area (as busmaster!). The HccaFrameNumber is for example
465 * updated every 1 ms within the HCCA structure in SDRAM! For more
466 * details see the OpenHCI specification.
473 #define CONSOLE_ARG "console="
474 #define CONSOLE_ARG_SIZE sizeof(CONSOLE_ARG)
477 * fixup_silent_linux() - Handle silencing the linux boot if required
479 * This uses the silent_linux envvar to control whether to add/set a "console="
480 * parameter to the command line
482 * @buf: Buffer containing the string to process
483 * @maxlen: Maximum length of buffer
484 * Return: 0 if OK, -ENOSPC if @maxlen is too small
486 static int fixup_silent_linux(char *buf, int maxlen)
493 * Move the input string to the end of buffer. The output string will be
494 * built up at the start.
496 size = strlen(buf) + 1;
497 if (size * 2 > maxlen)
499 cmdline = buf + maxlen - size;
500 memmove(cmdline, buf, size);
502 * Only fix cmdline when requested. The environment variable can be:
504 * no - we never fixup
505 * yes - we always fixup
506 * unset - we rely on the console silent flag
508 want_silent = env_get_yesno("silent_linux");
509 if (want_silent == 0)
511 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
514 debug("before silent fix-up: %s\n", cmdline);
516 char *start = strstr(cmdline, CONSOLE_ARG);
518 /* Check space for maximum possible new command line */
519 if (size + CONSOLE_ARG_SIZE > maxlen)
523 char *end = strchr(start, ' ');
526 start_bytes = start - cmdline + CONSOLE_ARG_SIZE - 1;
527 strncpy(buf, cmdline, start_bytes);
529 strcpy(buf + start_bytes, end);
531 buf[start_bytes] = '\0';
533 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
535 if (buf + strlen(buf) >= cmdline)
538 if (maxlen < sizeof(CONSOLE_ARG))
540 strcpy(buf, CONSOLE_ARG);
542 debug("after silent fix-up: %s\n", buf);
548 * process_subst() - Handle substitution of ${...} fields in the environment
550 * Handle variable substitution in the provided buffer
552 * @buf: Buffer containing the string to process
553 * @maxlen: Maximum length of buffer
554 * Return: 0 if OK, -ENOSPC if @maxlen is too small
556 static int process_subst(char *buf, int maxlen)
562 /* Move to end of buffer */
563 size = strlen(buf) + 1;
564 cmdline = buf + maxlen - size;
565 if (buf + size > cmdline)
567 memmove(cmdline, buf, size);
569 ret = cli_simple_process_macros(cmdline, buf, cmdline - buf);
574 int bootm_process_cmdline(char *buf, int maxlen, int flags)
578 /* Check config first to enable compiler to eliminate code */
579 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
580 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) &&
581 (flags & BOOTM_CL_SILENT)) {
582 ret = fixup_silent_linux(buf, maxlen);
584 return log_msg_ret("silent", ret);
586 if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && IS_ENABLED(CONFIG_CMDLINE) &&
587 (flags & BOOTM_CL_SUBST)) {
588 ret = process_subst(buf, maxlen);
590 return log_msg_ret("subst", ret);
596 int bootm_process_cmdline_env(int flags)
598 const int maxlen = MAX_CMDLINE_SIZE;
604 /* First check if any action is needed */
605 do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
606 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
607 if (!do_silent && !IS_ENABLED(CONFIG_BOOTARGS_SUBST))
610 env = env_get("bootargs");
611 if (env && strlen(env) >= maxlen)
613 buf = malloc(maxlen);
620 ret = bootm_process_cmdline(buf, maxlen, flags);
622 ret = env_set("bootargs", buf);
625 * If buf is "" and bootargs does not exist, this will produce
626 * an error trying to delete bootargs. Ignore it
633 return log_msg_ret("env", ret);
639 * Execute selected states of the bootm command.
641 * Note the arguments to this state must be the first argument, Any 'bootm'
642 * or sub-command arguments must have already been taken.
644 * Note that if states contains more than one flag it MUST contain
645 * BOOTM_STATE_START, since this handles and consumes the command line args.
647 * Also note that aside from boot_os_fn functions and bootm_load_os no other
648 * functions we store the return value of in 'ret' may use a negative return
649 * value, without special handling.
651 * @param cmdtp Pointer to bootm command table entry
652 * @param flag Command flags (CMD_FLAG_...)
653 * @param argc Number of subcommand arguments (0 = no arguments)
654 * @param argv Arguments
655 * @param states Mask containing states to run (BOOTM_STATE_...)
656 * @param images Image header information
657 * @param boot_progress 1 to show boot progress, 0 to not do this
658 * Return: 0 if ok, something else on error. Some errors will cause this
659 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
660 * then the intent is to boot an OS, so this function will not return
661 * unless the image type is standalone.
663 int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
664 char *const argv[], int states, bootm_headers_t *images,
669 int ret = 0, need_boot_fn;
671 images->state |= states;
674 * Work through the states and see how far we get. We stop on
677 if (states & BOOTM_STATE_START)
678 ret = bootm_start(cmdtp, flag, argc, argv);
680 if (!ret && (states & BOOTM_STATE_FINDOS))
681 ret = bootm_find_os(cmdtp, flag, argc, argv);
683 if (!ret && (states & BOOTM_STATE_FINDOTHER))
684 ret = bootm_find_other(cmdtp, flag, argc, argv);
687 if (!ret && (states & BOOTM_STATE_LOADOS)) {
688 iflag = bootm_disable_interrupts();
689 ret = bootm_load_os(images, 0);
690 if (ret && ret != BOOTM_ERR_OVERLAP)
692 else if (ret == BOOTM_ERR_OVERLAP)
696 /* Relocate the ramdisk */
697 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
698 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
699 ulong rd_len = images->rd_end - images->rd_start;
701 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
702 rd_len, &images->initrd_start, &images->initrd_end);
704 env_set_hex("initrd_start", images->initrd_start);
705 env_set_hex("initrd_end", images->initrd_end);
709 #if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
710 if (!ret && (states & BOOTM_STATE_FDT)) {
711 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
712 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
717 /* From now on, we need the OS boot function */
720 boot_fn = bootm_os_get_boot_func(images->os.os);
721 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
722 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
723 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
724 if (boot_fn == NULL && need_boot_fn) {
727 printf("ERROR: booting os '%s' (%d) is not supported\n",
728 genimg_get_os_name(images->os.os), images->os.os);
729 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
734 /* Call various other states that are not generally used */
735 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
736 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
737 if (!ret && (states & BOOTM_STATE_OS_BD_T))
738 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
739 if (!ret && (states & BOOTM_STATE_OS_PREP)) {
740 ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
742 printf("Cmdline setup failed (err=%d)\n", ret);
743 ret = CMD_RET_FAILURE;
746 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
750 /* Pretend to run the OS, then run a user command */
751 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
752 char *cmd_list = env_get("fakegocmd");
754 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
756 if (!ret && cmd_list)
757 ret = run_command_list(cmd_list, -1, flag);
761 /* Check for unsupported subcommand. */
763 puts("subcommand not supported\n");
767 /* Now run the OS! We hope this doesn't return */
768 if (!ret && (states & BOOTM_STATE_OS_GO))
769 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
772 /* Deal with any fallout */
777 if (ret == BOOTM_ERR_UNIMPLEMENTED)
778 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
779 else if (ret == BOOTM_ERR_RESET)
780 do_reset(cmdtp, flag, argc, argv);
785 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
787 * image_get_kernel - verify legacy format kernel image
788 * @img_addr: in RAM address of the legacy format image to be verified
789 * @verify: data CRC verification flag
791 * image_get_kernel() verifies legacy image integrity and returns pointer to
792 * legacy image header if image verification was completed successfully.
795 * pointer to a legacy image header if valid image was found
796 * otherwise return NULL
798 static image_header_t *image_get_kernel(ulong img_addr, int verify)
800 image_header_t *hdr = (image_header_t *)img_addr;
802 if (!image_check_magic(hdr)) {
803 puts("Bad Magic Number\n");
804 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
807 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
809 if (!image_check_hcrc(hdr)) {
810 puts("Bad Header Checksum\n");
811 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
815 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
816 image_print_contents(hdr);
819 puts(" Verifying Checksum ... ");
820 if (!image_check_dcrc(hdr)) {
821 printf("Bad Data CRC\n");
822 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
827 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
829 if (!image_check_target_arch(hdr)) {
830 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
831 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
839 * boot_get_kernel - find kernel image
840 * @os_data: pointer to a ulong variable, will hold os data start address
841 * @os_len: pointer to a ulong variable, will hold os data length
843 * boot_get_kernel() tries to find a kernel image, verifies its integrity
844 * and locates kernel data.
847 * pointer to image header if valid image was found, plus kernel start
848 * address and length, otherwise NULL
850 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
851 char *const argv[], bootm_headers_t *images,
852 ulong *os_data, ulong *os_len)
854 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
859 const char *fit_uname_config = NULL;
860 const char *fit_uname_kernel = NULL;
861 #if CONFIG_IS_ENABLED(FIT)
865 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
869 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
871 /* check image type, for FIT images get FIT kernel node */
872 *os_data = *os_len = 0;
873 buf = map_sysmem(img_addr, 0);
874 switch (genimg_get_format(buf)) {
875 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
876 case IMAGE_FORMAT_LEGACY:
877 printf("## Booting kernel from Legacy Image at %08lx ...\n",
879 hdr = image_get_kernel(img_addr, images->verify);
882 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
884 /* get os_data and os_len */
885 switch (image_get_type(hdr)) {
887 case IH_TYPE_KERNEL_NOLOAD:
888 *os_data = image_get_data(hdr);
889 *os_len = image_get_data_size(hdr);
892 image_multi_getimg(hdr, 0, os_data, os_len);
894 case IH_TYPE_STANDALONE:
895 *os_data = image_get_data(hdr);
896 *os_len = image_get_data_size(hdr);
899 printf("Wrong Image Type for %s command\n",
901 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
906 * copy image header to allow for image overwrites during
907 * kernel decompression.
909 memmove(&images->legacy_hdr_os_copy, hdr,
910 sizeof(image_header_t));
912 /* save pointer to image header */
913 images->legacy_hdr_os = hdr;
915 images->legacy_hdr_valid = 1;
916 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
919 #if CONFIG_IS_ENABLED(FIT)
920 case IMAGE_FORMAT_FIT:
921 os_noffset = fit_image_load(images, img_addr,
922 &fit_uname_kernel, &fit_uname_config,
923 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
924 BOOTSTAGE_ID_FIT_KERNEL_START,
925 FIT_LOAD_IGNORED, os_data, os_len);
929 images->fit_hdr_os = map_sysmem(img_addr, 0);
930 images->fit_uname_os = fit_uname_kernel;
931 images->fit_uname_cfg = fit_uname_config;
932 images->fit_noffset_os = os_noffset;
935 #ifdef CONFIG_ANDROID_BOOT_IMAGE
936 case IMAGE_FORMAT_ANDROID:
937 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
938 if (android_image_get_kernel(buf, images->verify,
944 printf("Wrong Image Format for %s command\n", cmdtp->name);
945 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
949 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
950 *os_data, *os_len, *os_len);
956 * switch_to_non_secure_mode() - switch to non-secure mode
958 * This routine is overridden by architectures requiring this feature.
960 void __weak switch_to_non_secure_mode(void)
964 #else /* USE_HOSTCC */
966 #if defined(CONFIG_FIT_SIGNATURE)
967 static int bootm_host_load_image(const void *fit, int req_image_type,
970 const char *fit_uname_config = NULL;
972 bootm_headers_t images;
980 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
981 memset(&images, '\0', sizeof(images));
983 noffset = fit_image_load(&images, (ulong)fit,
984 NULL, &fit_uname_config,
985 IH_ARCH_DEFAULT, req_image_type, -1,
986 FIT_LOAD_IGNORED, &data, &len);
989 if (fit_image_get_type(fit, noffset, &image_type)) {
990 puts("Can't get image type!\n");
994 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
995 puts("Can't get image compression!\n");
999 /* Allow the image to expand by a factor of 4, should be safe */
1000 load_buf = malloc((1 << 20) + len * 4);
1001 ret = image_decomp(imape_comp, 0, data, image_type, load_buf,
1002 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
1007 ret = handle_decomp_error(imape_comp, load_end - 0, ret);
1008 if (ret != BOOTM_ERR_UNIMPLEMENTED)
1015 int bootm_host_load_images(const void *fit, int cfg_noffset)
1017 static uint8_t image_types[] = {
1025 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
1028 ret = bootm_host_load_image(fit, image_types[i], cfg_noffset);
1029 if (!err && ret && ret != -ENOENT)
1033 /* Return the first error we found */
1038 #endif /* ndef USE_HOSTCC */