1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2009
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 #define MAX_CMDLINE_SIZE SZ_4K
38 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
42 DECLARE_GLOBAL_DATA_PTR;
44 struct bootm_headers images; /* pointers to os/initrd/fdt images */
46 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
47 char *const argv[], struct bootm_headers *images,
48 ulong *os_data, ulong *os_len);
50 __weak void board_quiesce_devices(void)
55 static void boot_start_lmb(struct bootm_headers *images)
60 mem_start = env_get_bootm_low();
61 mem_size = env_get_bootm_size();
63 lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
67 #define lmb_reserve(lmb, base, size)
68 static inline void boot_start_lmb(struct bootm_headers *images) { }
71 static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc,
74 memset((void *)&images, 0, sizeof(images));
75 images.verify = env_get_yesno("verify");
77 boot_start_lmb(&images);
79 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
80 images.state = BOOTM_STATE_START;
85 static ulong bootm_data_addr(int argc, char *const argv[])
90 addr = simple_strtoul(argv[0], NULL, 16);
92 addr = image_load_addr;
97 static int bootm_pre_load(struct cmd_tbl *cmdtp, int flag, int argc,
100 ulong data_addr = bootm_data_addr(argc, argv);
103 if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD))
104 ret = image_pre_load(data_addr);
107 ret = CMD_RET_FAILURE;
112 static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
116 #ifdef CONFIG_ANDROID_BOOT_IMAGE
117 const void *vendor_boot_img;
118 const void *boot_img;
120 bool ep_found = false;
123 /* get kernel image header, start address and length */
124 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
125 &images, &images.os.image_start, &images.os.image_len);
126 if (images.os.image_len == 0) {
127 puts("ERROR: can't get kernel image!\n");
131 /* get image parameters */
132 switch (genimg_get_format(os_hdr)) {
133 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
134 case IMAGE_FORMAT_LEGACY:
135 images.os.type = image_get_type(os_hdr);
136 images.os.comp = image_get_comp(os_hdr);
137 images.os.os = image_get_os(os_hdr);
139 images.os.end = image_get_image_end(os_hdr);
140 images.os.load = image_get_load(os_hdr);
141 images.os.arch = image_get_arch(os_hdr);
144 #if CONFIG_IS_ENABLED(FIT)
145 case IMAGE_FORMAT_FIT:
146 if (fit_image_get_type(images.fit_hdr_os,
147 images.fit_noffset_os,
149 puts("Can't get image type!\n");
150 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
154 if (fit_image_get_comp(images.fit_hdr_os,
155 images.fit_noffset_os,
157 puts("Can't get image compression!\n");
158 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
162 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
164 puts("Can't get image OS!\n");
165 bootstage_error(BOOTSTAGE_ID_FIT_OS);
169 if (fit_image_get_arch(images.fit_hdr_os,
170 images.fit_noffset_os,
172 puts("Can't get image ARCH!\n");
176 images.os.end = fit_get_end(images.fit_hdr_os);
178 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
180 puts("Can't get image load address!\n");
181 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
186 #ifdef CONFIG_ANDROID_BOOT_IMAGE
187 case IMAGE_FORMAT_ANDROID:
189 vendor_boot_img = NULL;
190 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
191 boot_img = map_sysmem(get_abootimg_addr(), 0);
192 vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
194 images.os.type = IH_TYPE_KERNEL;
195 images.os.comp = android_image_get_kcomp(boot_img, vendor_boot_img);
196 images.os.os = IH_OS_LINUX;
197 images.os.end = android_image_get_end(boot_img, vendor_boot_img);
198 images.os.load = android_image_get_kload(boot_img, vendor_boot_img);
199 images.ep = images.os.load;
201 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
202 unmap_sysmem(vendor_boot_img);
203 unmap_sysmem(boot_img);
208 puts("ERROR: unknown image format type!\n");
212 /* If we have a valid setup.bin, we will use that for entry (x86) */
213 if (images.os.arch == IH_ARCH_I386 ||
214 images.os.arch == IH_ARCH_X86_64) {
217 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
218 if (ret < 0 && ret != -ENOENT) {
219 puts("Could not find a valid setup.bin for x86\n");
222 /* Kernel entry point is the setup.bin */
223 } else if (images.legacy_hdr_valid) {
224 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
225 #if CONFIG_IS_ENABLED(FIT)
226 } else if (images.fit_uname_os) {
229 ret = fit_image_get_entry(images.fit_hdr_os,
230 images.fit_noffset_os, &images.ep);
232 puts("Can't get entry point property!\n");
236 } else if (!ep_found) {
237 puts("Could not find kernel entry point!\n");
241 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
242 if (IS_ENABLED(CONFIG_CMD_BOOTI) &&
243 images.os.arch == IH_ARCH_ARM64 &&
244 images.os.os == IH_OS_LINUX) {
248 ret = booti_setup(images.os.image_start, &image_addr,
253 images.os.type = IH_TYPE_KERNEL;
254 images.os.load = image_addr;
255 images.ep = image_addr;
257 images.os.load = images.os.image_start;
258 images.ep += images.os.image_start;
262 images.os.start = map_to_sysmem(os_hdr);
268 * bootm_find_images - wrapper to find and locate various images
269 * @flag: Ignored Argument
270 * @argc: command argument count
271 * @argv: command argument list
272 * @start: OS image start address
273 * @size: OS image size
275 * boot_find_images() will attempt to load an available ramdisk,
276 * flattened device tree, as well as specifically marked
277 * "loadable" images (loadables are FIT only)
279 * Note: bootm_find_images will skip an image if it is not found
282 * 0, if all existing images were loaded correctly
283 * 1, if an image is found but corrupted, or invalid
285 int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
291 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
292 &images.rd_start, &images.rd_end);
294 puts("Ramdisk image is corrupt or invalid\n");
298 /* check if ramdisk overlaps OS image */
299 if (images.rd_start && (((ulong)images.rd_start >= start &&
300 (ulong)images.rd_start < start + size) ||
301 ((ulong)images.rd_end > start &&
302 (ulong)images.rd_end <= start + size) ||
303 ((ulong)images.rd_start < start &&
304 (ulong)images.rd_end >= start + size))) {
305 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
306 start, start + size);
310 #if CONFIG_IS_ENABLED(OF_LIBFDT)
311 /* find flattened device tree */
312 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
313 &images.ft_addr, &images.ft_len);
315 puts("Could not find a valid device tree\n");
319 /* check if FDT overlaps OS image */
320 if (images.ft_addr &&
321 (((ulong)images.ft_addr >= start &&
322 (ulong)images.ft_addr < start + size) ||
323 ((ulong)images.ft_addr + images.ft_len >= start &&
324 (ulong)images.ft_addr + images.ft_len < start + size))) {
325 printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
326 start, start + size);
330 if (IS_ENABLED(CONFIG_CMD_FDT))
331 set_working_fdt_addr(map_to_sysmem(images.ft_addr));
334 #if CONFIG_IS_ENABLED(FIT)
335 if (IS_ENABLED(CONFIG_FPGA)) {
336 /* find bitstreams */
337 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
340 printf("FPGA image is corrupted or invalid\n");
345 /* find all of the loadables */
346 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
349 printf("Loadable(s) is corrupt or invalid\n");
357 static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
360 if (((images.os.type == IH_TYPE_KERNEL) ||
361 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
362 (images.os.type == IH_TYPE_MULTI)) &&
363 (images.os.os == IH_OS_LINUX ||
364 images.os.os == IH_OS_VXWORKS))
365 return bootm_find_images(flag, argc, argv, 0, 0);
369 #endif /* USE_HOSTC */
371 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
373 * handle_decomp_error() - display a decompression error
375 * This function tries to produce a useful message. In the case where the
376 * uncompressed size is the same as the available space, we can assume that
377 * the image is too large for the buffer.
379 * @comp_type: Compression type being used (IH_COMP_...)
380 * @uncomp_size: Number of bytes uncompressed
381 * @buf_size: Number of bytes the decompresion buffer was
382 * @ret: errno error code received from compression library
383 * Return: Appropriate BOOTM_ERR_ error code
385 static int handle_decomp_error(int comp_type, size_t uncomp_size,
386 size_t buf_size, int ret)
388 const char *name = genimg_get_comp_name(comp_type);
390 /* ENOSYS means unimplemented compression type, don't reset. */
392 return BOOTM_ERR_UNIMPLEMENTED;
394 if (uncomp_size >= buf_size)
395 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
397 printf("%s: uncompress error %d\n", name, ret);
400 * The decompression routines are now safe, so will not write beyond
401 * their bounds. Probably it is not necessary to reset, but maintain
402 * the current behaviour for now.
404 printf("Must RESET board to recover\n");
406 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
409 return BOOTM_ERR_RESET;
414 static int bootm_load_os(struct bootm_headers *images, int boot_progress)
416 struct image_info os = images->os;
417 ulong load = os.load;
419 ulong blob_start = os.start;
420 ulong blob_end = os.end;
421 ulong image_start = os.image_start;
422 ulong image_len = os.image_len;
423 ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
425 void *load_buf, *image_buf;
428 load_buf = map_sysmem(load, 0);
429 image_buf = map_sysmem(os.image_start, image_len);
430 err = image_decomp(os.comp, load, os.image_start, os.type,
431 load_buf, image_buf, image_len,
432 CONFIG_SYS_BOOTM_LEN, &load_end);
434 err = handle_decomp_error(os.comp, load_end - load,
435 CONFIG_SYS_BOOTM_LEN, err);
436 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
439 /* We need the decompressed image size in the next steps */
440 images->os.image_len = load_end - load;
442 flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
444 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
445 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
447 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
449 if (!no_overlap && load < blob_end && load_end > blob_start) {
450 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
451 blob_start, blob_end);
452 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
455 /* Check what type of image this is. */
456 if (images->legacy_hdr_valid) {
457 if (image_get_type(&images->legacy_hdr_os_copy)
459 puts("WARNING: legacy format multi component image overwritten\n");
460 return BOOTM_ERR_OVERLAP;
462 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
463 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
464 return BOOTM_ERR_RESET;
468 lmb_reserve(&images->lmb, images->os.load, (load_end -
474 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
476 * Return: interrupt flag (0 if interrupts were disabled, non-zero if they were
479 ulong bootm_disable_interrupts(void)
484 * We have reached the point of no return: we are going to
485 * overwrite all exception vector code, so we cannot easily
486 * recover from any failures any more...
488 iflag = disable_interrupts();
489 #ifdef CONFIG_NETCONSOLE
490 /* Stop the ethernet stack if NetConsole could have left it up */
494 #if defined(CONFIG_CMD_USB)
496 * turn off USB to prevent the host controller from writing to the
497 * SDRAM while Linux is booting. This could happen (at least for OHCI
498 * controller), because the HCCA (Host Controller Communication Area)
499 * lies within the SDRAM and the host controller writes continously to
500 * this area (as busmaster!). The HccaFrameNumber is for example
501 * updated every 1 ms within the HCCA structure in SDRAM! For more
502 * details see the OpenHCI specification.
509 #define CONSOLE_ARG "console="
510 #define NULL_CONSOLE (CONSOLE_ARG "ttynull")
511 #define CONSOLE_ARG_SIZE sizeof(NULL_CONSOLE)
514 * fixup_silent_linux() - Handle silencing the linux boot if required
516 * This uses the silent_linux envvar to control whether to add/set a "console="
517 * parameter to the command line
519 * @buf: Buffer containing the string to process
520 * @maxlen: Maximum length of buffer
521 * Return: 0 if OK, -ENOSPC if @maxlen is too small
523 static int fixup_silent_linux(char *buf, int maxlen)
530 * Move the input string to the end of buffer. The output string will be
531 * built up at the start.
533 size = strlen(buf) + 1;
534 if (size * 2 > maxlen)
536 cmdline = buf + maxlen - size;
537 memmove(cmdline, buf, size);
539 * Only fix cmdline when requested. The environment variable can be:
541 * no - we never fixup
542 * yes - we always fixup
543 * unset - we rely on the console silent flag
545 want_silent = env_get_yesno("silent_linux");
546 if (want_silent == 0)
548 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
551 debug("before silent fix-up: %s\n", cmdline);
553 char *start = strstr(cmdline, CONSOLE_ARG);
555 /* Check space for maximum possible new command line */
556 if (size + CONSOLE_ARG_SIZE > maxlen)
560 char *end = strchr(start, ' ');
563 start_bytes = start - cmdline;
564 strncpy(buf, cmdline, start_bytes);
565 strncpy(buf + start_bytes, NULL_CONSOLE, CONSOLE_ARG_SIZE);
567 strcpy(buf + start_bytes + CONSOLE_ARG_SIZE - 1, end);
569 buf[start_bytes + CONSOLE_ARG_SIZE] = '\0';
571 sprintf(buf, "%s %s", cmdline, NULL_CONSOLE);
573 if (buf + strlen(buf) >= cmdline)
576 if (maxlen < CONSOLE_ARG_SIZE)
578 strcpy(buf, NULL_CONSOLE);
580 debug("after silent fix-up: %s\n", buf);
586 * process_subst() - Handle substitution of ${...} fields in the environment
588 * Handle variable substitution in the provided buffer
590 * @buf: Buffer containing the string to process
591 * @maxlen: Maximum length of buffer
592 * Return: 0 if OK, -ENOSPC if @maxlen is too small
594 static int process_subst(char *buf, int maxlen)
600 /* Move to end of buffer */
601 size = strlen(buf) + 1;
602 cmdline = buf + maxlen - size;
603 if (buf + size > cmdline)
605 memmove(cmdline, buf, size);
607 ret = cli_simple_process_macros(cmdline, buf, cmdline - buf);
612 int bootm_process_cmdline(char *buf, int maxlen, int flags)
616 /* Check config first to enable compiler to eliminate code */
617 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
618 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) &&
619 (flags & BOOTM_CL_SILENT)) {
620 ret = fixup_silent_linux(buf, maxlen);
622 return log_msg_ret("silent", ret);
624 if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && IS_ENABLED(CONFIG_CMDLINE) &&
625 (flags & BOOTM_CL_SUBST)) {
626 ret = process_subst(buf, maxlen);
628 return log_msg_ret("subst", ret);
634 int bootm_process_cmdline_env(int flags)
636 const int maxlen = MAX_CMDLINE_SIZE;
642 /* First check if any action is needed */
643 do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
644 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
645 if (!do_silent && !IS_ENABLED(CONFIG_BOOTARGS_SUBST))
648 env = env_get("bootargs");
649 if (env && strlen(env) >= maxlen)
651 buf = malloc(maxlen);
658 ret = bootm_process_cmdline(buf, maxlen, flags);
660 ret = env_set("bootargs", buf);
663 * If buf is "" and bootargs does not exist, this will produce
664 * an error trying to delete bootargs. Ignore it
671 return log_msg_ret("env", ret);
677 * Execute selected states of the bootm command.
679 * Note the arguments to this state must be the first argument, Any 'bootm'
680 * or sub-command arguments must have already been taken.
682 * Note that if states contains more than one flag it MUST contain
683 * BOOTM_STATE_START, since this handles and consumes the command line args.
685 * Also note that aside from boot_os_fn functions and bootm_load_os no other
686 * functions we store the return value of in 'ret' may use a negative return
687 * value, without special handling.
689 * @param cmdtp Pointer to bootm command table entry
690 * @param flag Command flags (CMD_FLAG_...)
691 * @param argc Number of subcommand arguments (0 = no arguments)
692 * @param argv Arguments
693 * @param states Mask containing states to run (BOOTM_STATE_...)
694 * @param images Image header information
695 * @param boot_progress 1 to show boot progress, 0 to not do this
696 * Return: 0 if ok, something else on error. Some errors will cause this
697 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
698 * then the intent is to boot an OS, so this function will not return
699 * unless the image type is standalone.
701 int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
702 char *const argv[], int states, struct bootm_headers *images,
707 int ret = 0, need_boot_fn;
709 images->state |= states;
712 * Work through the states and see how far we get. We stop on
715 if (states & BOOTM_STATE_START)
716 ret = bootm_start(cmdtp, flag, argc, argv);
718 if (!ret && (states & BOOTM_STATE_PRE_LOAD))
719 ret = bootm_pre_load(cmdtp, flag, argc, argv);
721 if (!ret && (states & BOOTM_STATE_FINDOS))
722 ret = bootm_find_os(cmdtp, flag, argc, argv);
724 if (!ret && (states & BOOTM_STATE_FINDOTHER))
725 ret = bootm_find_other(cmdtp, flag, argc, argv);
728 if (!ret && (states & BOOTM_STATE_LOADOS)) {
729 iflag = bootm_disable_interrupts();
730 ret = bootm_load_os(images, 0);
731 if (ret && ret != BOOTM_ERR_OVERLAP)
733 else if (ret == BOOTM_ERR_OVERLAP)
737 /* Relocate the ramdisk */
738 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
739 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
740 ulong rd_len = images->rd_end - images->rd_start;
742 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
743 rd_len, &images->initrd_start, &images->initrd_end);
745 env_set_hex("initrd_start", images->initrd_start);
746 env_set_hex("initrd_end", images->initrd_end);
750 #if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
751 if (!ret && (states & BOOTM_STATE_FDT)) {
752 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
753 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
758 /* From now on, we need the OS boot function */
761 boot_fn = bootm_os_get_boot_func(images->os.os);
762 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
763 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
764 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
765 if (boot_fn == NULL && need_boot_fn) {
768 printf("ERROR: booting os '%s' (%d) is not supported\n",
769 genimg_get_os_name(images->os.os), images->os.os);
770 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
775 /* Call various other states that are not generally used */
776 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
777 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
778 if (!ret && (states & BOOTM_STATE_OS_BD_T))
779 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
780 if (!ret && (states & BOOTM_STATE_OS_PREP)) {
781 ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
783 printf("Cmdline setup failed (err=%d)\n", ret);
784 ret = CMD_RET_FAILURE;
787 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
791 /* Pretend to run the OS, then run a user command */
792 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
793 char *cmd_list = env_get("fakegocmd");
795 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
797 if (!ret && cmd_list)
798 ret = run_command_list(cmd_list, -1, flag);
802 /* Check for unsupported subcommand. */
804 printf("subcommand failed (err=%d)\n", ret);
808 /* Now run the OS! We hope this doesn't return */
809 if (!ret && (states & BOOTM_STATE_OS_GO))
810 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
813 /* Deal with any fallout */
818 if (ret == BOOTM_ERR_UNIMPLEMENTED)
819 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
820 else if (ret == BOOTM_ERR_RESET)
821 do_reset(cmdtp, flag, argc, argv);
826 int bootm_boot_start(ulong addr, const char *cmdline)
828 static struct cmd_tbl cmd = {"bootm"};
830 char *argv[] = {addr_str, NULL};
836 * should not. To clean this up, the various bootm states need to be
837 * passed an info structure instead of cmdline flags. Then this can
838 * set up the required info and move through the states without needing
841 states = BOOTM_STATE_START | BOOTM_STATE_FINDOS | BOOTM_STATE_PRE_LOAD |
842 BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS |
843 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
845 if (IS_ENABLED(CONFIG_SYS_BOOT_RAMDISK_HIGH))
846 states |= BOOTM_STATE_RAMDISK;
847 if (IS_ENABLED(CONFIG_PPC) || IS_ENABLED(CONFIG_MIPS))
848 states |= BOOTM_STATE_OS_CMDLINE;
849 images.state |= states;
851 snprintf(addr_str, sizeof(addr_str), "%lx", addr);
853 ret = env_set("bootargs", cmdline);
855 printf("Failed to set cmdline\n");
858 ret = do_bootm_states(&cmd, 0, 1, argv, states, &images, 1);
863 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
865 * image_get_kernel - verify legacy format kernel image
866 * @img_addr: in RAM address of the legacy format image to be verified
867 * @verify: data CRC verification flag
869 * image_get_kernel() verifies legacy image integrity and returns pointer to
870 * legacy image header if image verification was completed successfully.
873 * pointer to a legacy image header if valid image was found
874 * otherwise return NULL
876 static struct legacy_img_hdr *image_get_kernel(ulong img_addr, int verify)
878 struct legacy_img_hdr *hdr = (struct legacy_img_hdr *)img_addr;
880 if (!image_check_magic(hdr)) {
881 puts("Bad Magic Number\n");
882 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
885 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
887 if (!image_check_hcrc(hdr)) {
888 puts("Bad Header Checksum\n");
889 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
893 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
894 image_print_contents(hdr);
897 puts(" Verifying Checksum ... ");
898 if (!image_check_dcrc(hdr)) {
899 printf("Bad Data CRC\n");
900 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
905 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
907 if (!image_check_target_arch(hdr)) {
908 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
909 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
917 * boot_get_kernel - find kernel image
918 * @os_data: pointer to a ulong variable, will hold os data start address
919 * @os_len: pointer to a ulong variable, will hold os data length
921 * boot_get_kernel() tries to find a kernel image, verifies its integrity
922 * and locates kernel data.
925 * pointer to image header if valid image was found, plus kernel start
926 * address and length, otherwise NULL
928 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
929 char *const argv[], struct bootm_headers *images,
930 ulong *os_data, ulong *os_len)
932 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
933 struct legacy_img_hdr *hdr;
937 const char *fit_uname_config = NULL;
938 const char *fit_uname_kernel = NULL;
939 #if CONFIG_IS_ENABLED(FIT)
943 #ifdef CONFIG_ANDROID_BOOT_IMAGE
944 const void *boot_img;
945 const void *vendor_boot_img;
947 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
951 if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD))
952 img_addr += image_load_offset;
954 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
956 /* check image type, for FIT images get FIT kernel node */
957 *os_data = *os_len = 0;
958 buf = map_sysmem(img_addr, 0);
959 switch (genimg_get_format(buf)) {
960 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
961 case IMAGE_FORMAT_LEGACY:
962 printf("## Booting kernel from Legacy Image at %08lx ...\n",
964 hdr = image_get_kernel(img_addr, images->verify);
967 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
969 /* get os_data and os_len */
970 switch (image_get_type(hdr)) {
972 case IH_TYPE_KERNEL_NOLOAD:
973 *os_data = image_get_data(hdr);
974 *os_len = image_get_data_size(hdr);
977 image_multi_getimg(hdr, 0, os_data, os_len);
979 case IH_TYPE_STANDALONE:
980 *os_data = image_get_data(hdr);
981 *os_len = image_get_data_size(hdr);
984 printf("Wrong Image Type for %s command\n",
986 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
991 * copy image header to allow for image overwrites during
992 * kernel decompression.
994 memmove(&images->legacy_hdr_os_copy, hdr,
995 sizeof(struct legacy_img_hdr));
997 /* save pointer to image header */
998 images->legacy_hdr_os = hdr;
1000 images->legacy_hdr_valid = 1;
1001 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
1004 #if CONFIG_IS_ENABLED(FIT)
1005 case IMAGE_FORMAT_FIT:
1006 os_noffset = fit_image_load(images, img_addr,
1007 &fit_uname_kernel, &fit_uname_config,
1008 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
1009 BOOTSTAGE_ID_FIT_KERNEL_START,
1010 FIT_LOAD_IGNORED, os_data, os_len);
1014 images->fit_hdr_os = map_sysmem(img_addr, 0);
1015 images->fit_uname_os = fit_uname_kernel;
1016 images->fit_uname_cfg = fit_uname_config;
1017 images->fit_noffset_os = os_noffset;
1020 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1021 case IMAGE_FORMAT_ANDROID:
1023 vendor_boot_img = NULL;
1024 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
1025 boot_img = map_sysmem(get_abootimg_addr(), 0);
1026 vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
1028 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
1029 if (android_image_get_kernel(boot_img, vendor_boot_img, images->verify,
1032 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
1033 unmap_sysmem(vendor_boot_img);
1034 unmap_sysmem(boot_img);
1039 printf("Wrong Image Format for %s command\n", cmdtp->name);
1040 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1044 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1045 *os_data, *os_len, *os_len);
1051 * switch_to_non_secure_mode() - switch to non-secure mode
1053 * This routine is overridden by architectures requiring this feature.
1055 void __weak switch_to_non_secure_mode(void)
1059 #else /* USE_HOSTCC */
1061 #if defined(CONFIG_FIT_SIGNATURE)
1062 static int bootm_host_load_image(const void *fit, int req_image_type,
1065 const char *fit_uname_config = NULL;
1067 struct bootm_headers images;
1069 ulong load_end, buf_size;
1075 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1076 memset(&images, '\0', sizeof(images));
1078 noffset = fit_image_load(&images, (ulong)fit,
1079 NULL, &fit_uname_config,
1080 IH_ARCH_DEFAULT, req_image_type, -1,
1081 FIT_LOAD_IGNORED, &data, &len);
1084 if (fit_image_get_type(fit, noffset, &image_type)) {
1085 puts("Can't get image type!\n");
1089 if (fit_image_get_comp(fit, noffset, &image_comp))
1090 image_comp = IH_COMP_NONE;
1092 /* Allow the image to expand by a factor of 4, should be safe */
1093 buf_size = (1 << 20) + len * 4;
1094 load_buf = malloc(buf_size);
1095 ret = image_decomp(image_comp, 0, data, image_type, load_buf,
1096 (void *)data, len, buf_size, &load_end);
1100 ret = handle_decomp_error(image_comp, load_end - 0, buf_size, ret);
1101 if (ret != BOOTM_ERR_UNIMPLEMENTED)
1108 int bootm_host_load_images(const void *fit, int cfg_noffset)
1110 static uint8_t image_types[] = {
1118 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
1121 ret = bootm_host_load_image(fit, image_types[i], cfg_noffset);
1122 if (!err && ret && ret != -ENOENT)
1126 /* Return the first error we found */
1131 #endif /* ndef USE_HOSTCC */