2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #include <linux/compiler.h>
42 #if defined(CONFIG_CMD_USB)
46 #ifdef CONFIG_SYS_HUSH_PARSER
50 #if defined(CONFIG_OF_LIBFDT)
52 #include <fdt_support.h>
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDec.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
62 #include <linux/lzo.h>
63 #endif /* CONFIG_LZO */
65 DECLARE_GLOBAL_DATA_PTR;
67 #ifndef CONFIG_SYS_BOOTM_LEN
68 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
72 extern void bz_internal_error(int);
75 #if defined(CONFIG_CMD_IMI)
76 static int image_info(unsigned long addr);
79 #if defined(CONFIG_CMD_IMLS)
81 #include <mtd/cfi_flash.h>
82 extern flash_info_t flash_info[]; /* info for FLASH chips */
85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
86 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
89 #include <linux/err.h>
92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
93 static void fixup_silent_linux(void);
96 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
97 char * const argv[], bootm_headers_t *images,
98 ulong *os_data, ulong *os_len);
101 * Continue booting an OS image; caller already has:
102 * - copied image header to global variable `header'
103 * - checked header magic number, checksums (both header & image),
104 * - verified image architecture (PPC) and type (KERNEL or MULTI),
105 * - loaded (first part of) image to header load address,
106 * - disabled interrupts.
108 * @flag: Flags indicating what to do (BOOTM_STATE_...)
109 * @argc: Number of arguments. Note that the arguments are shifted down
110 * so that 0 is the first argument not processed by U-Boot, and
111 * argc is adjusted accordingly. This avoids confusion as to how
112 * many arguments are available for the OS.
113 * @images: Pointers to os/initrd/fdt
114 * @return 1 on error. On success the OS boots so this function does
117 typedef int boot_os_fn(int flag, int argc, char * const argv[],
118 bootm_headers_t *images);
120 #ifdef CONFIG_BOOTM_LINUX
121 extern boot_os_fn do_bootm_linux;
123 #ifdef CONFIG_BOOTM_NETBSD
124 static boot_os_fn do_bootm_netbsd;
126 #if defined(CONFIG_LYNXKDI)
127 static boot_os_fn do_bootm_lynxkdi;
128 extern void lynxkdi_boot(image_header_t *);
130 #ifdef CONFIG_BOOTM_RTEMS
131 static boot_os_fn do_bootm_rtems;
133 #if defined(CONFIG_BOOTM_OSE)
134 static boot_os_fn do_bootm_ose;
136 #if defined(CONFIG_BOOTM_PLAN9)
137 static boot_os_fn do_bootm_plan9;
139 #if defined(CONFIG_CMD_ELF)
140 static boot_os_fn do_bootm_vxworks;
141 static boot_os_fn do_bootm_qnxelf;
142 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
143 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
145 #if defined(CONFIG_INTEGRITY)
146 static boot_os_fn do_bootm_integrity;
149 static boot_os_fn *boot_os[] = {
150 #ifdef CONFIG_BOOTM_LINUX
151 [IH_OS_LINUX] = do_bootm_linux,
153 #ifdef CONFIG_BOOTM_NETBSD
154 [IH_OS_NETBSD] = do_bootm_netbsd,
156 #ifdef CONFIG_LYNXKDI
157 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
159 #ifdef CONFIG_BOOTM_RTEMS
160 [IH_OS_RTEMS] = do_bootm_rtems,
162 #if defined(CONFIG_BOOTM_OSE)
163 [IH_OS_OSE] = do_bootm_ose,
165 #if defined(CONFIG_BOOTM_PLAN9)
166 [IH_OS_PLAN9] = do_bootm_plan9,
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_VXWORKS] = do_bootm_vxworks,
170 [IH_OS_QNX] = do_bootm_qnxelf,
172 #ifdef CONFIG_INTEGRITY
173 [IH_OS_INTEGRITY] = do_bootm_integrity,
177 bootm_headers_t images; /* pointers to os/initrd/fdt images */
179 /* Allow for arch specific config before we boot */
180 static void __arch_preboot_os(void)
182 /* please define platform specific arch_preboot_os() */
184 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
189 static void boot_start_lmb(bootm_headers_t *images)
192 phys_size_t mem_size;
194 lmb_init(&images->lmb);
196 mem_start = getenv_bootm_low();
197 mem_size = getenv_bootm_size();
199 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
201 arch_lmb_reserve(&images->lmb);
202 board_lmb_reserve(&images->lmb);
205 #define lmb_reserve(lmb, base, size)
206 static inline void boot_start_lmb(bootm_headers_t *images) { }
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
211 memset((void *)&images, 0, sizeof(images));
212 images.verify = getenv_yesno("verify");
214 boot_start_lmb(&images);
216 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
217 images.state = BOOTM_STATE_START;
222 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
227 /* get kernel image header, start address and length */
228 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
229 &images, &images.os.image_start, &images.os.image_len);
230 if (images.os.image_len == 0) {
231 puts("ERROR: can't get kernel image!\n");
235 /* get image parameters */
236 switch (genimg_get_format(os_hdr)) {
237 case IMAGE_FORMAT_LEGACY:
238 images.os.type = image_get_type(os_hdr);
239 images.os.comp = image_get_comp(os_hdr);
240 images.os.os = image_get_os(os_hdr);
242 images.os.end = image_get_image_end(os_hdr);
243 images.os.load = image_get_load(os_hdr);
245 #if defined(CONFIG_FIT)
246 case IMAGE_FORMAT_FIT:
247 if (fit_image_get_type(images.fit_hdr_os,
248 images.fit_noffset_os, &images.os.type)) {
249 puts("Can't get image type!\n");
250 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
254 if (fit_image_get_comp(images.fit_hdr_os,
255 images.fit_noffset_os, &images.os.comp)) {
256 puts("Can't get image compression!\n");
257 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
261 if (fit_image_get_os(images.fit_hdr_os,
262 images.fit_noffset_os, &images.os.os)) {
263 puts("Can't get image OS!\n");
264 bootstage_error(BOOTSTAGE_ID_FIT_OS);
268 images.os.end = fit_get_end(images.fit_hdr_os);
270 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
272 puts("Can't get image load address!\n");
273 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
279 puts("ERROR: unknown image format type!\n");
283 /* find kernel entry point */
284 if (images.legacy_hdr_valid) {
285 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
286 #if defined(CONFIG_FIT)
287 } else if (images.fit_uname_os) {
290 ret = fit_image_get_entry(images.fit_hdr_os,
291 images.fit_noffset_os, &images.ep);
293 puts("Can't get entry point property!\n");
298 puts("Could not find kernel entry point!\n");
302 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
303 images.os.load = images.os.image_start;
304 images.ep += images.os.load;
307 images.os.start = (ulong)os_hdr;
312 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
317 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
318 &images.rd_start, &images.rd_end);
320 puts("Ramdisk image is corrupt or invalid\n");
327 #if defined(CONFIG_OF_LIBFDT)
328 static int bootm_find_fdt(int flag, int argc, char * const argv[])
332 /* find flattened device tree */
333 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
334 &images.ft_addr, &images.ft_len);
336 puts("Could not find a valid device tree\n");
340 set_working_fdt_addr(images.ft_addr);
346 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
349 if (((images.os.type == IH_TYPE_KERNEL) ||
350 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
351 (images.os.type == IH_TYPE_MULTI)) &&
352 (images.os.os == IH_OS_LINUX)) {
353 if (bootm_find_ramdisk(flag, argc, argv))
356 #if defined(CONFIG_OF_LIBFDT)
357 if (bootm_find_fdt(flag, argc, argv))
365 #define BOOTM_ERR_RESET -1
366 #define BOOTM_ERR_OVERLAP -2
367 #define BOOTM_ERR_UNIMPLEMENTED -3
368 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
371 image_info_t os = images->os;
372 uint8_t comp = os.comp;
373 ulong load = os.load;
374 ulong blob_start = os.start;
375 ulong blob_end = os.end;
376 ulong image_start = os.image_start;
377 ulong image_len = os.image_len;
378 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
380 void *load_buf, *image_buf;
381 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
383 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
385 const char *type_name = genimg_get_type_name(os.type);
387 load_buf = map_sysmem(load, image_len);
388 image_buf = map_sysmem(image_start, image_len);
391 if (load == blob_start || load == image_start) {
392 printf(" XIP %s ... ", type_name);
395 printf(" Loading %s ... ", type_name);
396 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
398 *load_end = load + image_len;
403 printf(" Uncompressing %s ... ", type_name);
404 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
405 puts("GUNZIP: uncompress, out-of-mem or overwrite "
406 "error - must RESET board to recover\n");
408 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
409 return BOOTM_ERR_RESET;
412 *load_end = load + image_len;
414 #endif /* CONFIG_GZIP */
417 printf(" Uncompressing %s ... ", type_name);
419 * If we've got less than 4 MB of malloc() space,
420 * use slower decompression algorithm which requires
421 * at most 2300 KB of memory.
423 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
424 image_buf, image_len,
425 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
427 printf("BUNZIP2: uncompress or overwrite error %d "
428 "- must RESET board to recover\n", i);
430 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
431 return BOOTM_ERR_RESET;
434 *load_end = load + unc_len;
436 #endif /* CONFIG_BZIP2 */
439 SizeT lzma_len = unc_len;
440 printf(" Uncompressing %s ... ", type_name);
442 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
443 image_buf, image_len);
446 printf("LZMA: uncompress or overwrite error %d "
447 "- must RESET board to recover\n", ret);
448 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
449 return BOOTM_ERR_RESET;
451 *load_end = load + unc_len;
454 #endif /* CONFIG_LZMA */
457 printf(" Uncompressing %s ... ", type_name);
459 ret = lzop_decompress(image_buf, image_len, load_buf,
461 if (ret != LZO_E_OK) {
462 printf("LZO: uncompress or overwrite error %d "
463 "- must RESET board to recover\n", ret);
465 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
466 return BOOTM_ERR_RESET;
469 *load_end = load + unc_len;
471 #endif /* CONFIG_LZO */
473 printf("Unimplemented compression type %d\n", comp);
474 return BOOTM_ERR_UNIMPLEMENTED;
477 flush_cache(load, (*load_end - load) * sizeof(ulong));
480 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
481 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
483 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
484 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
485 blob_start, blob_end);
486 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
489 /* Check what type of image this is. */
490 if (images->legacy_hdr_valid) {
491 if (image_get_type(&images->legacy_hdr_os_copy)
493 puts("WARNING: legacy format multi component image overwritten\n");
494 return BOOTM_ERR_OVERLAP;
496 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
497 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
498 return BOOTM_ERR_RESET;
505 static int bootm_start_standalone(int argc, char * const argv[])
508 int (*appl)(int, char * const []);
510 /* Don't start if "autostart" is set to "no" */
511 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
512 setenv_hex("filesize", images.os.image_len);
515 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
520 /* we overload the cmd field with our state machine info instead of a
521 * function pointer */
522 static cmd_tbl_t cmd_bootm_sub[] = {
523 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
524 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
525 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
526 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
528 #ifdef CONFIG_OF_LIBFDT
529 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
531 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
532 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
533 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
534 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
535 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
538 static int boot_selected_os(int argc, char * const argv[], int state,
539 bootm_headers_t *images, boot_os_fn *boot_fn)
541 if (images->os.type == IH_TYPE_STANDALONE) {
542 /* This may return when 'autostart' is 'no' */
543 bootm_start_standalone(argc, argv);
546 #ifdef CONFIG_SILENT_CONSOLE
547 if (images->os.os == IH_OS_LINUX)
548 fixup_silent_linux();
551 boot_fn(state, argc, argv, images);
552 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
554 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
556 puts("\n## Control returned to monitor - resetting...\n");
558 return BOOTM_ERR_RESET;
562 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
564 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
567 static ulong bootm_disable_interrupts(void)
572 * We have reached the point of no return: we are going to
573 * overwrite all exception vector code, so we cannot easily
574 * recover from any failures any more...
576 iflag = disable_interrupts();
577 #ifdef CONFIG_NETCONSOLE
578 /* Stop the ethernet stack if NetConsole could have left it up */
582 #if defined(CONFIG_CMD_USB)
584 * turn off USB to prevent the host controller from writing to the
585 * SDRAM while Linux is booting. This could happen (at least for OHCI
586 * controller), because the HCCA (Host Controller Communication Area)
587 * lies within the SDRAM and the host controller writes continously to
588 * this area (as busmaster!). The HccaFrameNumber is for example
589 * updated every 1 ms within the HCCA structure in SDRAM! For more
590 * details see the OpenHCI specification.
598 * Execute selected states of the bootm command.
600 * Note the arguments to this state must be the first argument, Any 'bootm'
601 * or sub-command arguments must have already been taken.
603 * Note that if states contains more than one flag it MUST contain
604 * BOOTM_STATE_START, since this handles and consumes the command line args.
606 * Also note that aside from boot_os_fn functions and bootm_load_os no other
607 * functions we store the return value of in 'ret' may use a negative return
608 * value, without special handling.
610 * @param cmdtp Pointer to bootm command table entry
611 * @param flag Command flags (CMD_FLAG_...)
612 * @param argc Number of subcommand arguments (0 = no arguments)
613 * @param argv Arguments
614 * @param states Mask containing states to run (BOOTM_STATE_...)
615 * @param images Image header information
616 * @param boot_progress 1 to show boot progress, 0 to not do this
617 * @return 0 if ok, something else on error. Some errors will cause this
618 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
619 * then the intent is to boot an OS, so this function will not return
620 * unless the image type is standalone.
622 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
623 char * const argv[], int states, bootm_headers_t *images,
628 int ret = 0, need_boot_fn;
630 images->state |= states;
633 * Work through the states and see how far we get. We stop on
636 if (states & BOOTM_STATE_START)
637 ret = bootm_start(cmdtp, flag, argc, argv);
639 if (!ret && (states & BOOTM_STATE_FINDOS))
640 ret = bootm_find_os(cmdtp, flag, argc, argv);
642 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
643 ret = bootm_find_other(cmdtp, flag, argc, argv);
644 argc = 0; /* consume the args */
648 if (!ret && (states & BOOTM_STATE_LOADOS)) {
651 iflag = bootm_disable_interrupts();
652 ret = bootm_load_os(images, &load_end, 0);
653 if (ret && ret != BOOTM_ERR_OVERLAP)
657 lmb_reserve(&images->lmb, images->os.load,
658 (load_end - images->os.load));
659 else if (ret == BOOTM_ERR_OVERLAP)
663 /* Relocate the ramdisk */
664 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
665 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
666 ulong rd_len = images->rd_end - images->rd_start;
668 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
669 rd_len, &images->initrd_start, &images->initrd_end);
671 setenv_hex("initrd_start", images->initrd_start);
672 setenv_hex("initrd_end", images->initrd_end);
676 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
677 if (!ret && (states & BOOTM_STATE_FDT)) {
678 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
679 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
684 /* From now on, we need the OS boot function */
687 boot_fn = boot_os[images->os.os];
688 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
689 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
690 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
691 if (boot_fn == NULL && need_boot_fn) {
694 printf("ERROR: booting os '%s' (%d) is not supported\n",
695 genimg_get_os_name(images->os.os), images->os.os);
696 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
700 /* Call various other states that are not generally used */
701 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
702 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
703 if (!ret && (states & BOOTM_STATE_OS_BD_T))
704 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
705 if (!ret && (states & BOOTM_STATE_OS_PREP))
706 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
708 /* Check for unsupported subcommand. */
710 puts("subcommand not supported\n");
716 /* Pretend to run the OS, then run a user command */
717 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
718 char *cmd_list = getenv("fakegocmd");
720 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
722 if (!ret && cmd_list)
723 ret = run_command_list(cmd_list, -1, flag);
726 /* Now run the OS! We hope this doesn't return */
727 if (!ret && (states & BOOTM_STATE_OS_GO)) {
728 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
736 /* Deal with any fallout */
741 if (ret == BOOTM_ERR_UNIMPLEMENTED)
742 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
743 else if (ret == BOOTM_ERR_RESET)
744 do_reset(cmdtp, flag, argc, argv);
749 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
756 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
760 state = (long)c->cmd;
761 if (state == BOOTM_STATE_START)
762 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
764 /* Unrecognized command */
765 return CMD_RET_USAGE;
768 if (state != BOOTM_STATE_START && images.state >= state) {
769 printf("Trying to execute a command out of order\n");
770 return CMD_RET_USAGE;
773 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
778 /*******************************************************************/
779 /* bootm - boot application image from image in memory */
780 /*******************************************************************/
782 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
784 #ifdef CONFIG_NEEDS_MANUAL_RELOC
785 static int relocated = 0;
790 /* relocate boot function table */
791 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
792 if (boot_os[i] != NULL)
793 boot_os[i] += gd->reloc_off;
795 /* relocate names of sub-command table */
796 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
797 cmd_bootm_sub[i].name += gd->reloc_off;
803 /* determine if we have a sub command */
808 simple_strtoul(argv[0], &endp, 16);
809 /* endp pointing to NULL means that argv[0] was just a
810 * valid number, pass it along to the normal bootm processing
812 * If endp is ':' or '#' assume a FIT identifier so pass
813 * along for normal processing.
815 * Right now we assume the first arg should never be '-'
817 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
818 return do_bootm_subcommand(cmdtp, flag, argc, argv);
821 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
822 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
823 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
824 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
827 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
829 const char *ep = getenv("autostart");
831 if (ep && !strcmp(ep, "yes")) {
833 local_args[0] = (char *)cmd;
834 local_args[1] = NULL;
835 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
836 return do_bootm(cmdtp, 0, 1, local_args);
843 * image_get_kernel - verify legacy format kernel image
844 * @img_addr: in RAM address of the legacy format image to be verified
845 * @verify: data CRC verification flag
847 * image_get_kernel() verifies legacy image integrity and returns pointer to
848 * legacy image header if image verification was completed successfully.
851 * pointer to a legacy image header if valid image was found
852 * otherwise return NULL
854 static image_header_t *image_get_kernel(ulong img_addr, int verify)
856 image_header_t *hdr = (image_header_t *)img_addr;
858 if (!image_check_magic(hdr)) {
859 puts("Bad Magic Number\n");
860 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
863 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
865 if (!image_check_hcrc(hdr)) {
866 puts("Bad Header Checksum\n");
867 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
871 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
872 image_print_contents(hdr);
875 puts(" Verifying Checksum ... ");
876 if (!image_check_dcrc(hdr)) {
877 printf("Bad Data CRC\n");
878 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
883 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
885 if (!image_check_target_arch(hdr)) {
886 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
887 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
894 * boot_get_kernel - find kernel image
895 * @os_data: pointer to a ulong variable, will hold os data start address
896 * @os_len: pointer to a ulong variable, will hold os data length
898 * boot_get_kernel() tries to find a kernel image, verifies its integrity
899 * and locates kernel data.
902 * pointer to image header if valid image was found, plus kernel start
903 * address and length, otherwise NULL
905 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
906 char * const argv[], bootm_headers_t *images, ulong *os_data,
912 #if defined(CONFIG_FIT)
913 const char *fit_uname_config = NULL;
914 const char *fit_uname_kernel = NULL;
918 /* find out kernel image address */
920 img_addr = load_addr;
921 debug("* kernel: default image load address = 0x%08lx\n",
923 #if defined(CONFIG_FIT)
924 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
925 &fit_uname_config)) {
926 debug("* kernel: config '%s' from image at 0x%08lx\n",
927 fit_uname_config, img_addr);
928 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
929 &fit_uname_kernel)) {
930 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
931 fit_uname_kernel, img_addr);
934 img_addr = simple_strtoul(argv[0], NULL, 16);
935 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
938 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
940 /* copy from dataflash if needed */
941 img_addr = genimg_get_image(img_addr);
943 /* check image type, for FIT images get FIT kernel node */
944 *os_data = *os_len = 0;
945 buf = map_sysmem(img_addr, 0);
946 switch (genimg_get_format(buf)) {
947 case IMAGE_FORMAT_LEGACY:
948 printf("## Booting kernel from Legacy Image at %08lx ...\n",
950 hdr = image_get_kernel(img_addr, images->verify);
953 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
955 /* get os_data and os_len */
956 switch (image_get_type(hdr)) {
958 case IH_TYPE_KERNEL_NOLOAD:
959 *os_data = image_get_data(hdr);
960 *os_len = image_get_data_size(hdr);
963 image_multi_getimg(hdr, 0, os_data, os_len);
965 case IH_TYPE_STANDALONE:
966 *os_data = image_get_data(hdr);
967 *os_len = image_get_data_size(hdr);
970 printf("Wrong Image Type for %s command\n",
972 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
977 * copy image header to allow for image overwrites during
978 * kernel decompression.
980 memmove(&images->legacy_hdr_os_copy, hdr,
981 sizeof(image_header_t));
983 /* save pointer to image header */
984 images->legacy_hdr_os = hdr;
986 images->legacy_hdr_valid = 1;
987 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
989 #if defined(CONFIG_FIT)
990 case IMAGE_FORMAT_FIT:
991 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
993 &fit_uname_kernel, fit_uname_config,
994 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
995 BOOTSTAGE_ID_FIT_KERNEL_START,
996 FIT_LOAD_IGNORED, os_data, os_len);
1000 images->fit_hdr_os = map_sysmem(img_addr, 0);
1001 images->fit_uname_os = fit_uname_kernel;
1002 images->fit_noffset_os = os_noffset;
1006 printf("Wrong Image Format for %s command\n", cmdtp->name);
1007 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1011 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1012 *os_data, *os_len, *os_len);
1017 #ifdef CONFIG_SYS_LONGHELP
1018 static char bootm_help_text[] =
1019 "[addr [arg ...]]\n - boot application image stored in memory\n"
1020 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1021 "\t'arg' can be the address of an initrd image\n"
1022 #if defined(CONFIG_OF_LIBFDT)
1023 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1024 "\ta third argument is required which is the address of the\n"
1025 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1026 "\tuse a '-' for the second argument. If you do not pass a third\n"
1027 "\ta bd_info struct will be passed instead\n"
1029 #if defined(CONFIG_FIT)
1030 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1031 "\tmust be extened to include component or configuration unit name:\n"
1032 "\taddr:<subimg_uname> - direct component image specification\n"
1033 "\taddr#<conf_uname> - configuration specification\n"
1034 "\tUse iminfo command to get the list of existing component\n"
1035 "\timages and configurations.\n"
1037 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1039 "issued in the order below (it's ok to not issue all sub-commands):\n"
1040 "\tstart [addr [arg ...]]\n"
1041 "\tloados - load OS image\n"
1042 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1043 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1045 #if defined(CONFIG_OF_LIBFDT)
1046 "\tfdt - relocate flat device tree\n"
1048 "\tcmdline - OS specific command line processing/setup\n"
1049 "\tbdt - OS specific bd_t processing\n"
1050 "\tprep - OS specific prep before relocation or go\n"
1055 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1056 "boot application image from memory", bootm_help_text
1059 /*******************************************************************/
1060 /* bootd - boot default image */
1061 /*******************************************************************/
1062 #if defined(CONFIG_CMD_BOOTD)
1063 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1067 if (run_command(getenv("bootcmd"), flag) < 0)
1073 boot, 1, 1, do_bootd,
1074 "boot default, i.e., run 'bootcmd'",
1078 /* keep old command name "bootd" for backward compatibility */
1080 bootd, 1, 1, do_bootd,
1081 "boot default, i.e., run 'bootcmd'",
1088 /*******************************************************************/
1089 /* iminfo - print header info for a requested image */
1090 /*******************************************************************/
1091 #if defined(CONFIG_CMD_IMI)
1092 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1099 return image_info(load_addr);
1102 for (arg = 1; arg < argc; ++arg) {
1103 addr = simple_strtoul(argv[arg], NULL, 16);
1104 if (image_info(addr) != 0)
1110 static int image_info(ulong addr)
1112 void *hdr = (void *)addr;
1114 printf("\n## Checking Image at %08lx ...\n", addr);
1116 switch (genimg_get_format(hdr)) {
1117 case IMAGE_FORMAT_LEGACY:
1118 puts(" Legacy image found\n");
1119 if (!image_check_magic(hdr)) {
1120 puts(" Bad Magic Number\n");
1124 if (!image_check_hcrc(hdr)) {
1125 puts(" Bad Header Checksum\n");
1129 image_print_contents(hdr);
1131 puts(" Verifying Checksum ... ");
1132 if (!image_check_dcrc(hdr)) {
1133 puts(" Bad Data CRC\n");
1138 #if defined(CONFIG_FIT)
1139 case IMAGE_FORMAT_FIT:
1140 puts(" FIT image found\n");
1142 if (!fit_check_format(hdr)) {
1143 puts("Bad FIT image format!\n");
1147 fit_print_contents(hdr);
1149 if (!fit_all_image_verify(hdr)) {
1150 puts("Bad hash in FIT image!\n");
1157 puts("Unknown image format!\n");
1165 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1166 "print header information for application image",
1168 " - print header information for application image starting at\n"
1169 " address 'addr' in memory; this includes verification of the\n"
1170 " image contents (magic number, header and payload checksums)"
1175 /*******************************************************************/
1176 /* imls - list all images found in flash */
1177 /*******************************************************************/
1178 #if defined(CONFIG_CMD_IMLS)
1179 static int do_imls_nor(void)
1185 for (i = 0, info = &flash_info[0];
1186 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1188 if (info->flash_id == FLASH_UNKNOWN)
1190 for (j = 0; j < info->sector_count; ++j) {
1192 hdr = (void *)info->start[j];
1196 switch (genimg_get_format(hdr)) {
1197 case IMAGE_FORMAT_LEGACY:
1198 if (!image_check_hcrc(hdr))
1201 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1202 image_print_contents(hdr);
1204 puts(" Verifying Checksum ... ");
1205 if (!image_check_dcrc(hdr)) {
1206 puts("Bad Data CRC\n");
1211 #if defined(CONFIG_FIT)
1212 case IMAGE_FORMAT_FIT:
1213 if (!fit_check_format(hdr))
1216 printf("FIT Image at %08lX:\n", (ulong)hdr);
1217 fit_print_contents(hdr);
1232 #if defined(CONFIG_CMD_IMLS_NAND)
1233 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1239 imgdata = malloc(len);
1241 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1243 printf(" Low memory(cannot allocate memory for image)\n");
1247 ret = nand_read_skip_bad(nand, off, &len,
1249 if (ret < 0 && ret != -EUCLEAN) {
1254 if (!image_check_hcrc(imgdata)) {
1259 printf("Legacy Image at NAND device %d offset %08llX:\n",
1261 image_print_contents(imgdata);
1263 puts(" Verifying Checksum ... ");
1264 if (!image_check_dcrc(imgdata))
1265 puts("Bad Data CRC\n");
1274 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1280 imgdata = malloc(len);
1282 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1284 printf(" Low memory(cannot allocate memory for image)\n");
1288 ret = nand_read_skip_bad(nand, off, &len,
1290 if (ret < 0 && ret != -EUCLEAN) {
1295 if (!fit_check_format(imgdata)) {
1300 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1302 fit_print_contents(imgdata);
1308 static int do_imls_nand(void)
1311 int nand_dev = nand_curr_device;
1316 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1317 puts("\nNo NAND devices available\n");
1323 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1324 nand = &nand_info[nand_dev];
1325 if (!nand->name || !nand->size)
1328 for (off = 0; off < nand->size; off += nand->erasesize) {
1329 const image_header_t *header;
1332 if (nand_block_isbad(nand, off))
1335 len = sizeof(buffer);
1337 ret = nand_read(nand, off, &len, (u8 *)buffer);
1338 if (ret < 0 && ret != -EUCLEAN) {
1339 printf("NAND read error %d at offset %08llX\n",
1344 switch (genimg_get_format(buffer)) {
1345 case IMAGE_FORMAT_LEGACY:
1346 header = (const image_header_t *)buffer;
1348 len = image_get_image_size(header);
1349 nand_imls_legacyimage(nand, nand_dev, off, len);
1351 #if defined(CONFIG_FIT)
1352 case IMAGE_FORMAT_FIT:
1353 len = fit_get_size(buffer);
1354 nand_imls_fitimage(nand, nand_dev, off, len);
1365 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1366 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1368 int ret_nor = 0, ret_nand = 0;
1370 #if defined(CONFIG_CMD_IMLS)
1371 ret_nor = do_imls_nor();
1374 #if defined(CONFIG_CMD_IMLS_NAND)
1375 ret_nand = do_imls_nand();
1388 imls, 1, 1, do_imls,
1389 "list all images found in flash",
1391 " - Prints information about all images found at sector/block\n"
1392 " boundaries in nor/nand flash."
1396 /*******************************************************************/
1397 /* helper routines */
1398 /*******************************************************************/
1399 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1401 #define CONSOLE_ARG "console="
1402 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1404 static void fixup_silent_linux(void)
1407 const char *env_val;
1408 char *cmdline = getenv("bootargs");
1410 /* Only fix cmdline when requested */
1411 if (!(gd->flags & GD_FLG_SILENT))
1414 debug("before silent fix-up: %s\n", cmdline);
1415 if (cmdline && (cmdline[0] != '\0')) {
1416 char *start = strstr(cmdline, CONSOLE_ARG);
1418 /* Allocate space for maximum possible new command line */
1419 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1421 debug("%s: out of memory\n", __func__);
1426 char *end = strchr(start, ' ');
1427 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1429 strncpy(buf, cmdline, num_start_bytes);
1431 strcpy(buf + num_start_bytes, end);
1433 buf[num_start_bytes] = '\0';
1435 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1440 env_val = CONSOLE_ARG;
1443 setenv("bootargs", env_val);
1444 debug("after silent fix-up: %s\n", env_val);
1447 #endif /* CONFIG_SILENT_CONSOLE */
1449 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1450 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1454 for (i = 0; i < argc; i++) {
1457 strcpy(dest, argv[i]);
1458 dest += strlen(argv[i]);
1463 /*******************************************************************/
1464 /* OS booting routines */
1465 /*******************************************************************/
1467 #ifdef CONFIG_BOOTM_NETBSD
1468 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1469 bootm_headers_t *images)
1471 void (*loader)(bd_t *, image_header_t *, char *, char *);
1472 image_header_t *os_hdr, *hdr;
1473 ulong kernel_data, kernel_len;
1477 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1480 #if defined(CONFIG_FIT)
1481 if (!images->legacy_hdr_valid) {
1482 fit_unsupported_reset("NetBSD");
1486 hdr = images->legacy_hdr_os;
1489 * Booting a (NetBSD) kernel image
1491 * This process is pretty similar to a standalone application:
1492 * The (first part of an multi-) image must be a stage-2 loader,
1493 * which in turn is responsible for loading & invoking the actual
1494 * kernel. The only differences are the parameters being passed:
1495 * besides the board info strucure, the loader expects a command
1496 * line, the name of the console device, and (optionally) the
1497 * address of the original image header.
1500 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1501 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1507 #if defined(CONFIG_8xx_CONS_SMC1)
1509 #elif defined(CONFIG_8xx_CONS_SMC2)
1511 #elif defined(CONFIG_8xx_CONS_SCC2)
1513 #elif defined(CONFIG_8xx_CONS_SCC3)
1521 for (i = 0, len = 0; i < argc; i += 1)
1522 len += strlen(argv[i]) + 1;
1523 cmdline = malloc(len);
1524 copy_args(cmdline, argc, argv, ' ');
1525 } else if ((cmdline = getenv("bootargs")) == NULL) {
1529 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1531 printf("## Transferring control to NetBSD stage-2 loader "
1532 "(at address %08lx) ...\n",
1535 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1538 * NetBSD Stage-2 Loader Parameters:
1539 * r3: ptr to board info data
1541 * r5: console device
1542 * r6: boot args string
1544 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1548 #endif /* CONFIG_BOOTM_NETBSD*/
1550 #ifdef CONFIG_LYNXKDI
1551 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1552 bootm_headers_t *images)
1554 image_header_t *hdr = &images->legacy_hdr_os_copy;
1556 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1559 #if defined(CONFIG_FIT)
1560 if (!images->legacy_hdr_valid) {
1561 fit_unsupported_reset("Lynx");
1566 lynxkdi_boot((image_header_t *)hdr);
1570 #endif /* CONFIG_LYNXKDI */
1572 #ifdef CONFIG_BOOTM_RTEMS
1573 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1574 bootm_headers_t *images)
1576 void (*entry_point)(bd_t *);
1578 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1581 #if defined(CONFIG_FIT)
1582 if (!images->legacy_hdr_valid) {
1583 fit_unsupported_reset("RTEMS");
1588 entry_point = (void (*)(bd_t *))images->ep;
1590 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1591 (ulong)entry_point);
1593 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1597 * r3: ptr to board info data
1599 (*entry_point)(gd->bd);
1603 #endif /* CONFIG_BOOTM_RTEMS */
1605 #if defined(CONFIG_BOOTM_OSE)
1606 static int do_bootm_ose(int flag, int argc, char * const argv[],
1607 bootm_headers_t *images)
1609 void (*entry_point)(void);
1611 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1614 #if defined(CONFIG_FIT)
1615 if (!images->legacy_hdr_valid) {
1616 fit_unsupported_reset("OSE");
1621 entry_point = (void (*)(void))images->ep;
1623 printf("## Transferring control to OSE (at address %08lx) ...\n",
1624 (ulong)entry_point);
1626 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1636 #endif /* CONFIG_BOOTM_OSE */
1638 #if defined(CONFIG_BOOTM_PLAN9)
1639 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1640 bootm_headers_t *images)
1642 void (*entry_point)(void);
1645 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1648 #if defined(CONFIG_FIT)
1649 if (!images->legacy_hdr_valid) {
1650 fit_unsupported_reset("Plan 9");
1655 /* See README.plan9 */
1656 s = getenv("confaddr");
1658 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1661 copy_args(confaddr, argc, argv, '\n');
1663 s = getenv("bootargs");
1665 strcpy(confaddr, s);
1669 entry_point = (void (*)(void))images->ep;
1671 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1672 (ulong)entry_point);
1674 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1677 * Plan 9 Parameters:
1684 #endif /* CONFIG_BOOTM_PLAN9 */
1686 #if defined(CONFIG_CMD_ELF)
1687 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1688 bootm_headers_t *images)
1692 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1695 #if defined(CONFIG_FIT)
1696 if (!images->legacy_hdr_valid) {
1697 fit_unsupported_reset("VxWorks");
1702 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1703 setenv("loadaddr", str);
1704 do_bootvx(NULL, 0, 0, NULL);
1709 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1710 bootm_headers_t *images)
1712 char *local_args[2];
1715 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1718 #if defined(CONFIG_FIT)
1719 if (!images->legacy_hdr_valid) {
1720 fit_unsupported_reset("QNX");
1725 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1726 local_args[0] = argv[0];
1727 local_args[1] = str; /* and provide it via the arguments */
1728 do_bootelf(NULL, 0, 2, local_args);
1734 #ifdef CONFIG_INTEGRITY
1735 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1736 bootm_headers_t *images)
1738 void (*entry_point)(void);
1740 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1743 #if defined(CONFIG_FIT)
1744 if (!images->legacy_hdr_valid) {
1745 fit_unsupported_reset("INTEGRITY");
1750 entry_point = (void (*)(void))images->ep;
1752 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1753 (ulong)entry_point);
1755 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1758 * INTEGRITY Parameters:
1767 #ifdef CONFIG_CMD_BOOTZ
1769 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1771 /* Please define bootz_setup() for your platform */
1773 puts("Your platform's zImage format isn't supported yet!\n");
1778 * zImage booting support
1780 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1781 char * const argv[], bootm_headers_t *images)
1784 ulong zi_start, zi_end;
1786 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1789 /* Setup Linux kernel zImage entry point */
1791 images->ep = load_addr;
1792 debug("* kernel: default image load address = 0x%08lx\n",
1795 images->ep = simple_strtoul(argv[0], NULL, 16);
1796 debug("* kernel: cmdline image address = 0x%08lx\n",
1800 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1804 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1807 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1808 * have a header that provide this informaiton.
1810 if (bootm_find_ramdisk(flag, argc, argv))
1813 #if defined(CONFIG_OF_LIBFDT)
1814 if (bootm_find_fdt(flag, argc, argv))
1821 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1825 /* Consume 'bootz' */
1828 if (bootz_start(cmdtp, flag, argc, argv, &images))
1832 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1833 * disable interrupts ourselves
1835 bootm_disable_interrupts();
1837 images.os.os = IH_OS_LINUX;
1838 ret = do_bootm_states(cmdtp, flag, argc, argv,
1839 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1846 #ifdef CONFIG_SYS_LONGHELP
1847 static char bootz_help_text[] =
1848 "[addr [initrd[:size]] [fdt]]\n"
1849 " - boot Linux zImage stored in memory\n"
1850 "\tThe argument 'initrd' is optional and specifies the address\n"
1851 "\tof the initrd in memory. The optional argument ':size' allows\n"
1852 "\tspecifying the size of RAW initrd.\n"
1853 #if defined(CONFIG_OF_LIBFDT)
1854 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1855 "\ta third argument is required which is the address of the\n"
1856 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1857 "\tuse a '-' for the second argument. If you do not pass a third\n"
1858 "\ta bd_info struct will be passed instead\n"
1864 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1865 "boot Linux zImage image from memory", bootz_help_text
1867 #endif /* CONFIG_CMD_BOOTZ */