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>
23 #include <linux/sizes.h>
24 #if defined(CONFIG_CMD_USB)
35 #ifndef CONFIG_SYS_BOOTM_LEN
36 /* use 8MByte as default max gunzip size */
37 #define CONFIG_SYS_BOOTM_LEN 0x800000
40 #define MAX_CMDLINE_SIZE SZ_4K
42 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
46 DECLARE_GLOBAL_DATA_PTR;
48 bootm_headers_t images; /* pointers to os/initrd/fdt images */
50 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
51 char *const argv[], bootm_headers_t *images,
52 ulong *os_data, ulong *os_len);
54 __weak void board_quiesce_devices(void)
59 static void boot_start_lmb(bootm_headers_t *images)
64 mem_start = env_get_bootm_low();
65 mem_size = env_get_bootm_size();
67 lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
71 #define lmb_reserve(lmb, base, size)
72 static inline void boot_start_lmb(bootm_headers_t *images) { }
75 static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc,
78 memset((void *)&images, 0, sizeof(images));
79 images.verify = env_get_yesno("verify");
81 boot_start_lmb(&images);
83 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
84 images.state = BOOTM_STATE_START;
89 static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
93 bool ep_found = false;
96 /* get kernel image header, start address and length */
97 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
98 &images, &images.os.image_start, &images.os.image_len);
99 if (images.os.image_len == 0) {
100 puts("ERROR: can't get kernel image!\n");
104 /* get image parameters */
105 switch (genimg_get_format(os_hdr)) {
106 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
107 case IMAGE_FORMAT_LEGACY:
108 images.os.type = image_get_type(os_hdr);
109 images.os.comp = image_get_comp(os_hdr);
110 images.os.os = image_get_os(os_hdr);
112 images.os.end = image_get_image_end(os_hdr);
113 images.os.load = image_get_load(os_hdr);
114 images.os.arch = image_get_arch(os_hdr);
118 case IMAGE_FORMAT_FIT:
119 if (fit_image_get_type(images.fit_hdr_os,
120 images.fit_noffset_os,
122 puts("Can't get image type!\n");
123 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
127 if (fit_image_get_comp(images.fit_hdr_os,
128 images.fit_noffset_os,
130 puts("Can't get image compression!\n");
131 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
135 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
137 puts("Can't get image OS!\n");
138 bootstage_error(BOOTSTAGE_ID_FIT_OS);
142 if (fit_image_get_arch(images.fit_hdr_os,
143 images.fit_noffset_os,
145 puts("Can't get image ARCH!\n");
149 images.os.end = fit_get_end(images.fit_hdr_os);
151 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
153 puts("Can't get image load address!\n");
154 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
159 #ifdef CONFIG_ANDROID_BOOT_IMAGE
160 case IMAGE_FORMAT_ANDROID:
161 images.os.type = IH_TYPE_KERNEL;
162 images.os.comp = android_image_get_kcomp(os_hdr);
163 images.os.os = IH_OS_LINUX;
165 images.os.end = android_image_get_end(os_hdr);
166 images.os.load = android_image_get_kload(os_hdr);
167 images.ep = images.os.load;
172 puts("ERROR: unknown image format type!\n");
176 /* If we have a valid setup.bin, we will use that for entry (x86) */
177 if (images.os.arch == IH_ARCH_I386 ||
178 images.os.arch == IH_ARCH_X86_64) {
181 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
182 if (ret < 0 && ret != -ENOENT) {
183 puts("Could not find a valid setup.bin for x86\n");
186 /* Kernel entry point is the setup.bin */
187 } else if (images.legacy_hdr_valid) {
188 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
190 } else if (images.fit_uname_os) {
193 ret = fit_image_get_entry(images.fit_hdr_os,
194 images.fit_noffset_os, &images.ep);
196 puts("Can't get entry point property!\n");
200 } else if (!ep_found) {
201 puts("Could not find kernel entry point!\n");
205 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
206 if (CONFIG_IS_ENABLED(CMD_BOOTI) &&
207 images.os.arch == IH_ARCH_ARM64) {
211 ret = booti_setup(images.os.image_start, &image_addr,
216 images.os.type = IH_TYPE_KERNEL;
217 images.os.load = image_addr;
218 images.ep = image_addr;
220 images.os.load = images.os.image_start;
221 images.ep += images.os.image_start;
225 images.os.start = map_to_sysmem(os_hdr);
231 * bootm_find_images - wrapper to find and locate various images
232 * @flag: Ignored Argument
233 * @argc: command argument count
234 * @argv: command argument list
235 * @start: OS image start address
236 * @size: OS image size
238 * boot_find_images() will attempt to load an available ramdisk,
239 * flattened device tree, as well as specifically marked
240 * "loadable" images (loadables are FIT only)
242 * Note: bootm_find_images will skip an image if it is not found
245 * 0, if all existing images were loaded correctly
246 * 1, if an image is found but corrupted, or invalid
248 int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
254 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
255 &images.rd_start, &images.rd_end);
257 puts("Ramdisk image is corrupt or invalid\n");
261 /* check if ramdisk overlaps OS image */
262 if (images.rd_start && (((ulong)images.rd_start >= start &&
263 (ulong)images.rd_start < start + size) ||
264 ((ulong)images.rd_end > start &&
265 (ulong)images.rd_end <= start + size) ||
266 ((ulong)images.rd_start < start &&
267 (ulong)images.rd_end >= start + size))) {
268 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
269 start, start + size);
273 #if IMAGE_ENABLE_OF_LIBFDT
274 /* find flattened device tree */
275 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
276 &images.ft_addr, &images.ft_len);
278 puts("Could not find a valid device tree\n");
282 /* check if FDT overlaps OS image */
283 if (images.ft_addr &&
284 (((ulong)images.ft_addr >= start &&
285 (ulong)images.ft_addr <= start + size) ||
286 ((ulong)images.ft_addr + images.ft_len >= start &&
287 (ulong)images.ft_addr + images.ft_len <= start + size))) {
288 printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
289 start, start + size);
293 if (CONFIG_IS_ENABLED(CMD_FDT))
294 set_working_fdt_addr(map_to_sysmem(images.ft_addr));
298 #if defined(CONFIG_FPGA)
299 /* find bitstreams */
300 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
303 printf("FPGA image is corrupted or invalid\n");
308 /* find all of the loadables */
309 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
312 printf("Loadable(s) is corrupt or invalid\n");
320 static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
323 if (((images.os.type == IH_TYPE_KERNEL) ||
324 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
325 (images.os.type == IH_TYPE_MULTI)) &&
326 (images.os.os == IH_OS_LINUX ||
327 images.os.os == IH_OS_VXWORKS))
328 return bootm_find_images(flag, argc, argv, 0, 0);
332 #endif /* USE_HOSTC */
334 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
336 * handle_decomp_error() - display a decompression error
338 * This function tries to produce a useful message. In the case where the
339 * uncompressed size is the same as the available space, we can assume that
340 * the image is too large for the buffer.
342 * @comp_type: Compression type being used (IH_COMP_...)
343 * @uncomp_size: Number of bytes uncompressed
344 * @ret: errno error code received from compression library
345 * @return Appropriate BOOTM_ERR_ error code
347 static int handle_decomp_error(int comp_type, size_t uncomp_size, int ret)
349 const char *name = genimg_get_comp_name(comp_type);
351 /* ENOSYS means unimplemented compression type, don't reset. */
353 return BOOTM_ERR_UNIMPLEMENTED;
355 if (uncomp_size >= CONFIG_SYS_BOOTM_LEN)
356 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
358 printf("%s: uncompress error %d\n", name, ret);
361 * The decompression routines are now safe, so will not write beyond
362 * their bounds. Probably it is not necessary to reset, but maintain
363 * the current behaviour for now.
365 printf("Must RESET board to recover\n");
367 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
370 return BOOTM_ERR_RESET;
375 static int bootm_load_os(bootm_headers_t *images, int boot_progress)
377 image_info_t os = images->os;
378 ulong load = os.load;
380 ulong blob_start = os.start;
381 ulong blob_end = os.end;
382 ulong image_start = os.image_start;
383 ulong image_len = os.image_len;
384 ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
386 void *load_buf, *image_buf;
389 load_buf = map_sysmem(load, 0);
390 image_buf = map_sysmem(os.image_start, image_len);
391 err = image_decomp(os.comp, load, os.image_start, os.type,
392 load_buf, image_buf, image_len,
393 CONFIG_SYS_BOOTM_LEN, &load_end);
395 err = handle_decomp_error(os.comp, load_end - load, err);
396 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
399 /* We need the decompressed image size in the next steps */
400 images->os.image_len = load_end - load;
402 flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
404 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
405 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
407 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
409 if (!no_overlap && load < blob_end && load_end > blob_start) {
410 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
411 blob_start, blob_end);
412 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
415 /* Check what type of image this is. */
416 if (images->legacy_hdr_valid) {
417 if (image_get_type(&images->legacy_hdr_os_copy)
419 puts("WARNING: legacy format multi component image overwritten\n");
420 return BOOTM_ERR_OVERLAP;
422 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
423 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
424 return BOOTM_ERR_RESET;
428 lmb_reserve(&images->lmb, images->os.load, (load_end -
434 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
436 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
439 ulong bootm_disable_interrupts(void)
444 * We have reached the point of no return: we are going to
445 * overwrite all exception vector code, so we cannot easily
446 * recover from any failures any more...
448 iflag = disable_interrupts();
449 #ifdef CONFIG_NETCONSOLE
450 /* Stop the ethernet stack if NetConsole could have left it up */
452 # ifndef CONFIG_DM_ETH
453 eth_unregister(eth_get_dev());
457 #if defined(CONFIG_CMD_USB)
459 * turn off USB to prevent the host controller from writing to the
460 * SDRAM while Linux is booting. This could happen (at least for OHCI
461 * controller), because the HCCA (Host Controller Communication Area)
462 * lies within the SDRAM and the host controller writes continously to
463 * this area (as busmaster!). The HccaFrameNumber is for example
464 * updated every 1 ms within the HCCA structure in SDRAM! For more
465 * details see the OpenHCI specification.
472 #define CONSOLE_ARG "console="
473 #define CONSOLE_ARG_SIZE sizeof(CONSOLE_ARG)
476 * fixup_silent_linux() - Handle silencing the linux boot if required
478 * This uses the silent_linux envvar to control whether to add/set a "console="
479 * parameter to the command line
481 * @buf: Buffer containing the string to process
482 * @maxlen: Maximum length of buffer
483 * @return 0 if OK, -ENOSPC if @maxlen is too small
485 static int fixup_silent_linux(char *buf, int maxlen)
492 * Move the input string to the end of buffer. The output string will be
493 * built up at the start.
495 size = strlen(buf) + 1;
496 if (size * 2 > maxlen)
498 cmdline = buf + maxlen - size;
499 memmove(cmdline, buf, size);
501 * Only fix cmdline when requested. The environment variable can be:
503 * no - we never fixup
504 * yes - we always fixup
505 * unset - we rely on the console silent flag
507 want_silent = env_get_yesno("silent_linux");
508 if (want_silent == 0)
510 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
513 debug("before silent fix-up: %s\n", cmdline);
515 char *start = strstr(cmdline, CONSOLE_ARG);
517 /* Check space for maximum possible new command line */
518 if (size + CONSOLE_ARG_SIZE > maxlen)
522 char *end = strchr(start, ' ');
525 start_bytes = start - cmdline + CONSOLE_ARG_SIZE - 1;
526 strncpy(buf, cmdline, start_bytes);
528 strcpy(buf + start_bytes, end);
530 buf[start_bytes] = '\0';
532 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
534 if (buf + strlen(buf) >= cmdline)
537 if (maxlen < sizeof(CONSOLE_ARG))
539 strcpy(buf, CONSOLE_ARG);
541 debug("after silent fix-up: %s\n", buf);
547 * process_subst() - Handle substitution of ${...} fields in the environment
549 * Handle variable substitution in the provided buffer
551 * @buf: Buffer containing the string to process
552 * @maxlen: Maximum length of buffer
553 * @return 0 if OK, -ENOSPC if @maxlen is too small
555 static int process_subst(char *buf, int maxlen)
561 /* Move to end of buffer */
562 size = strlen(buf) + 1;
563 cmdline = buf + maxlen - size;
564 if (buf + size > cmdline)
566 memmove(cmdline, buf, size);
568 ret = cli_simple_process_macros(cmdline, buf, cmdline - buf);
573 int bootm_process_cmdline(char *buf, int maxlen, int flags)
577 /* Check config first to enable compiler to eliminate code */
578 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
579 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) &&
580 (flags & BOOTM_CL_SILENT)) {
581 ret = fixup_silent_linux(buf, maxlen);
583 return log_msg_ret("silent", ret);
585 if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && (flags & BOOTM_CL_SUBST)) {
586 ret = process_subst(buf, maxlen);
588 return log_msg_ret("silent", ret);
594 int bootm_process_cmdline_env(int flags)
596 const int maxlen = MAX_CMDLINE_SIZE;
602 /* First check if any action is needed */
603 do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
604 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
605 if (!do_silent && !IS_ENABLED(CONFIG_BOOTARGS_SUBST))
608 env = env_get("bootargs");
609 if (env && strlen(env) >= maxlen)
611 buf = malloc(maxlen);
618 ret = bootm_process_cmdline(buf, maxlen, flags);
620 ret = env_set("bootargs", buf);
623 * If buf is "" and bootargs does not exist, this will produce
624 * an error trying to delete bootargs. Ignore it
631 return log_msg_ret("env", ret);
637 * Execute selected states of the bootm command.
639 * Note the arguments to this state must be the first argument, Any 'bootm'
640 * or sub-command arguments must have already been taken.
642 * Note that if states contains more than one flag it MUST contain
643 * BOOTM_STATE_START, since this handles and consumes the command line args.
645 * Also note that aside from boot_os_fn functions and bootm_load_os no other
646 * functions we store the return value of in 'ret' may use a negative return
647 * value, without special handling.
649 * @param cmdtp Pointer to bootm command table entry
650 * @param flag Command flags (CMD_FLAG_...)
651 * @param argc Number of subcommand arguments (0 = no arguments)
652 * @param argv Arguments
653 * @param states Mask containing states to run (BOOTM_STATE_...)
654 * @param images Image header information
655 * @param boot_progress 1 to show boot progress, 0 to not do this
656 * @return 0 if ok, something else on error. Some errors will cause this
657 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
658 * then the intent is to boot an OS, so this function will not return
659 * unless the image type is standalone.
661 int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
662 char *const argv[], int states, bootm_headers_t *images,
667 int ret = 0, need_boot_fn;
669 images->state |= states;
672 * Work through the states and see how far we get. We stop on
675 if (states & BOOTM_STATE_START)
676 ret = bootm_start(cmdtp, flag, argc, argv);
678 if (!ret && (states & BOOTM_STATE_FINDOS))
679 ret = bootm_find_os(cmdtp, flag, argc, argv);
681 if (!ret && (states & BOOTM_STATE_FINDOTHER))
682 ret = bootm_find_other(cmdtp, flag, argc, argv);
685 if (!ret && (states & BOOTM_STATE_LOADOS)) {
686 iflag = bootm_disable_interrupts();
687 ret = bootm_load_os(images, 0);
688 if (ret && ret != BOOTM_ERR_OVERLAP)
690 else if (ret == BOOTM_ERR_OVERLAP)
694 /* Relocate the ramdisk */
695 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
696 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
697 ulong rd_len = images->rd_end - images->rd_start;
699 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
700 rd_len, &images->initrd_start, &images->initrd_end);
702 env_set_hex("initrd_start", images->initrd_start);
703 env_set_hex("initrd_end", images->initrd_end);
707 #if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB)
708 if (!ret && (states & BOOTM_STATE_FDT)) {
709 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
710 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
715 /* From now on, we need the OS boot function */
718 boot_fn = bootm_os_get_boot_func(images->os.os);
719 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
720 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
721 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
722 if (boot_fn == NULL && need_boot_fn) {
725 printf("ERROR: booting os '%s' (%d) is not supported\n",
726 genimg_get_os_name(images->os.os), images->os.os);
727 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
732 /* Call various other states that are not generally used */
733 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
734 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
735 if (!ret && (states & BOOTM_STATE_OS_BD_T))
736 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
737 if (!ret && (states & BOOTM_STATE_OS_PREP)) {
738 ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
740 printf("Cmdline setup failed (err=%d)\n", ret);
741 ret = CMD_RET_FAILURE;
744 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
748 /* Pretend to run the OS, then run a user command */
749 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
750 char *cmd_list = env_get("fakegocmd");
752 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
754 if (!ret && cmd_list)
755 ret = run_command_list(cmd_list, -1, flag);
759 /* Check for unsupported subcommand. */
761 puts("subcommand not supported\n");
765 /* Now run the OS! We hope this doesn't return */
766 if (!ret && (states & BOOTM_STATE_OS_GO))
767 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
770 /* Deal with any fallout */
775 if (ret == BOOTM_ERR_UNIMPLEMENTED)
776 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
777 else if (ret == BOOTM_ERR_RESET)
778 do_reset(cmdtp, flag, argc, argv);
783 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
785 * image_get_kernel - verify legacy format kernel image
786 * @img_addr: in RAM address of the legacy format image to be verified
787 * @verify: data CRC verification flag
789 * image_get_kernel() verifies legacy image integrity and returns pointer to
790 * legacy image header if image verification was completed successfully.
793 * pointer to a legacy image header if valid image was found
794 * otherwise return NULL
796 static image_header_t *image_get_kernel(ulong img_addr, int verify)
798 image_header_t *hdr = (image_header_t *)img_addr;
800 if (!image_check_magic(hdr)) {
801 puts("Bad Magic Number\n");
802 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
805 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
807 if (!image_check_hcrc(hdr)) {
808 puts("Bad Header Checksum\n");
809 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
813 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
814 image_print_contents(hdr);
817 puts(" Verifying Checksum ... ");
818 if (!image_check_dcrc(hdr)) {
819 printf("Bad Data CRC\n");
820 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
825 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
827 if (!image_check_target_arch(hdr)) {
828 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
829 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
837 * boot_get_kernel - find kernel image
838 * @os_data: pointer to a ulong variable, will hold os data start address
839 * @os_len: pointer to a ulong variable, will hold os data length
841 * boot_get_kernel() tries to find a kernel image, verifies its integrity
842 * and locates kernel data.
845 * pointer to image header if valid image was found, plus kernel start
846 * address and length, otherwise NULL
848 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
849 char *const argv[], bootm_headers_t *images,
850 ulong *os_data, ulong *os_len)
852 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
857 const char *fit_uname_config = NULL;
858 const char *fit_uname_kernel = NULL;
863 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
867 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
869 /* check image type, for FIT images get FIT kernel node */
870 *os_data = *os_len = 0;
871 buf = map_sysmem(img_addr, 0);
872 switch (genimg_get_format(buf)) {
873 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
874 case IMAGE_FORMAT_LEGACY:
875 printf("## Booting kernel from Legacy Image at %08lx ...\n",
877 hdr = image_get_kernel(img_addr, images->verify);
880 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
882 /* get os_data and os_len */
883 switch (image_get_type(hdr)) {
885 case IH_TYPE_KERNEL_NOLOAD:
886 *os_data = image_get_data(hdr);
887 *os_len = image_get_data_size(hdr);
890 image_multi_getimg(hdr, 0, os_data, os_len);
892 case IH_TYPE_STANDALONE:
893 *os_data = image_get_data(hdr);
894 *os_len = image_get_data_size(hdr);
897 printf("Wrong Image Type for %s command\n",
899 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
904 * copy image header to allow for image overwrites during
905 * kernel decompression.
907 memmove(&images->legacy_hdr_os_copy, hdr,
908 sizeof(image_header_t));
910 /* save pointer to image header */
911 images->legacy_hdr_os = hdr;
913 images->legacy_hdr_valid = 1;
914 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
918 case IMAGE_FORMAT_FIT:
919 os_noffset = fit_image_load(images, img_addr,
920 &fit_uname_kernel, &fit_uname_config,
921 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
922 BOOTSTAGE_ID_FIT_KERNEL_START,
923 FIT_LOAD_IGNORED, os_data, os_len);
927 images->fit_hdr_os = map_sysmem(img_addr, 0);
928 images->fit_uname_os = fit_uname_kernel;
929 images->fit_uname_cfg = fit_uname_config;
930 images->fit_noffset_os = os_noffset;
933 #ifdef CONFIG_ANDROID_BOOT_IMAGE
934 case IMAGE_FORMAT_ANDROID:
935 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
936 if (android_image_get_kernel(buf, images->verify,
942 printf("Wrong Image Format for %s command\n", cmdtp->name);
943 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
947 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
948 *os_data, *os_len, *os_len);
954 * switch_to_non_secure_mode() - switch to non-secure mode
956 * This routine is overridden by architectures requiring this feature.
958 void __weak switch_to_non_secure_mode(void)
962 #else /* USE_HOSTCC */
964 #if defined(CONFIG_FIT_SIGNATURE)
965 static int bootm_host_load_image(const void *fit, int req_image_type,
968 const char *fit_uname_config = NULL;
970 bootm_headers_t images;
978 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
979 memset(&images, '\0', sizeof(images));
981 noffset = fit_image_load(&images, (ulong)fit,
982 NULL, &fit_uname_config,
983 IH_ARCH_DEFAULT, req_image_type, -1,
984 FIT_LOAD_IGNORED, &data, &len);
987 if (fit_image_get_type(fit, noffset, &image_type)) {
988 puts("Can't get image type!\n");
992 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
993 puts("Can't get image compression!\n");
997 /* Allow the image to expand by a factor of 4, should be safe */
998 load_buf = malloc((1 << 20) + len * 4);
999 ret = image_decomp(imape_comp, 0, data, image_type, load_buf,
1000 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
1005 ret = handle_decomp_error(imape_comp, load_end - 0, ret);
1006 if (ret != BOOTM_ERR_UNIMPLEMENTED)
1013 int bootm_host_load_images(const void *fit, int cfg_noffset)
1015 static uint8_t image_types[] = {
1023 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
1026 ret = bootm_host_load_image(fit, image_types[i], cfg_noffset);
1027 if (!err && ret && ret != -ENOENT)
1031 /* Return the first error we found */
1036 #endif /* ndef USE_HOSTCC */