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_other(cmd_tbl_t *cmdtp, int flag, int argc,
317 if (((images.os.type == IH_TYPE_KERNEL) ||
318 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
319 (images.os.type == IH_TYPE_MULTI)) &&
320 (images.os.os == IH_OS_LINUX)) {
322 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
323 &images.rd_start, &images.rd_end);
325 puts("Ramdisk image is corrupt or invalid\n");
329 #if defined(CONFIG_OF_LIBFDT)
330 /* find flattened device tree */
331 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
332 &images.ft_addr, &images.ft_len);
334 puts("Could not find a valid device tree\n");
338 set_working_fdt_addr(images.ft_addr);
345 #define BOOTM_ERR_RESET -1
346 #define BOOTM_ERR_OVERLAP -2
347 #define BOOTM_ERR_UNIMPLEMENTED -3
348 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
351 image_info_t os = images->os;
352 uint8_t comp = os.comp;
353 ulong load = os.load;
354 ulong blob_start = os.start;
355 ulong blob_end = os.end;
356 ulong image_start = os.image_start;
357 ulong image_len = os.image_len;
358 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
360 void *load_buf, *image_buf;
361 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
363 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
365 const char *type_name = genimg_get_type_name(os.type);
367 load_buf = map_sysmem(load, image_len);
368 image_buf = map_sysmem(image_start, image_len);
371 if (load == blob_start || load == image_start) {
372 printf(" XIP %s ... ", type_name);
375 printf(" Loading %s ... ", type_name);
376 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
378 *load_end = load + image_len;
383 printf(" Uncompressing %s ... ", type_name);
384 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
385 puts("GUNZIP: uncompress, out-of-mem or overwrite "
386 "error - must RESET board to recover\n");
388 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
389 return BOOTM_ERR_RESET;
392 *load_end = load + image_len;
394 #endif /* CONFIG_GZIP */
397 printf(" Uncompressing %s ... ", type_name);
399 * If we've got less than 4 MB of malloc() space,
400 * use slower decompression algorithm which requires
401 * at most 2300 KB of memory.
403 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
404 image_buf, image_len,
405 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
407 printf("BUNZIP2: uncompress or overwrite error %d "
408 "- must RESET board to recover\n", i);
410 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
411 return BOOTM_ERR_RESET;
414 *load_end = load + unc_len;
416 #endif /* CONFIG_BZIP2 */
419 SizeT lzma_len = unc_len;
420 printf(" Uncompressing %s ... ", type_name);
422 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
423 image_buf, image_len);
426 printf("LZMA: uncompress or overwrite error %d "
427 "- must RESET board to recover\n", ret);
428 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
429 return BOOTM_ERR_RESET;
431 *load_end = load + unc_len;
434 #endif /* CONFIG_LZMA */
437 printf(" Uncompressing %s ... ", type_name);
439 ret = lzop_decompress(image_buf, image_len, load_buf,
441 if (ret != LZO_E_OK) {
442 printf("LZO: uncompress or overwrite error %d "
443 "- must RESET board to recover\n", ret);
445 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
446 return BOOTM_ERR_RESET;
449 *load_end = load + unc_len;
451 #endif /* CONFIG_LZO */
453 printf("Unimplemented compression type %d\n", comp);
454 return BOOTM_ERR_UNIMPLEMENTED;
457 flush_cache(load, (*load_end - load) * sizeof(ulong));
460 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
461 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
463 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
464 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
465 blob_start, blob_end);
466 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
469 /* Check what type of image this is. */
470 if (images->legacy_hdr_valid) {
471 if (image_get_type(&images->legacy_hdr_os_copy)
473 puts("WARNING: legacy format multi component image overwritten\n");
474 return BOOTM_ERR_OVERLAP;
476 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
477 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
478 return BOOTM_ERR_RESET;
485 static int bootm_start_standalone(int argc, char * const argv[])
488 int (*appl)(int, char * const []);
490 /* Don't start if "autostart" is set to "no" */
491 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
492 setenv_hex("filesize", images.os.image_len);
495 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
500 /* we overload the cmd field with our state machine info instead of a
501 * function pointer */
502 static cmd_tbl_t cmd_bootm_sub[] = {
503 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
504 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
505 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
506 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
508 #ifdef CONFIG_OF_LIBFDT
509 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
511 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
512 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
513 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
514 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
515 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
518 static int boot_selected_os(int argc, char * const argv[], int state,
519 bootm_headers_t *images, boot_os_fn *boot_fn)
521 if (images->os.type == IH_TYPE_STANDALONE) {
522 /* This may return when 'autostart' is 'no' */
523 bootm_start_standalone(argc, argv);
526 #ifdef CONFIG_SILENT_CONSOLE
527 if (images->os.os == IH_OS_LINUX)
528 fixup_silent_linux();
531 boot_fn(state, argc, argv, images);
532 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
534 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
536 puts("\n## Control returned to monitor - resetting...\n");
538 return BOOTM_ERR_RESET;
542 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
544 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
547 static ulong bootm_disable_interrupts(void)
552 * We have reached the point of no return: we are going to
553 * overwrite all exception vector code, so we cannot easily
554 * recover from any failures any more...
556 iflag = disable_interrupts();
557 #ifdef CONFIG_NETCONSOLE
558 /* Stop the ethernet stack if NetConsole could have left it up */
562 #if defined(CONFIG_CMD_USB)
564 * turn off USB to prevent the host controller from writing to the
565 * SDRAM while Linux is booting. This could happen (at least for OHCI
566 * controller), because the HCCA (Host Controller Communication Area)
567 * lies within the SDRAM and the host controller writes continously to
568 * this area (as busmaster!). The HccaFrameNumber is for example
569 * updated every 1 ms within the HCCA structure in SDRAM! For more
570 * details see the OpenHCI specification.
578 * Execute selected states of the bootm command.
580 * Note the arguments to this state must be the first argument, Any 'bootm'
581 * or sub-command arguments must have already been taken.
583 * Note that if states contains more than one flag it MUST contain
584 * BOOTM_STATE_START, since this handles and consumes the command line args.
586 * Also note that aside from boot_os_fn functions and bootm_load_os no other
587 * functions we store the return value of in 'ret' may use a negative return
588 * value, without special handling.
590 * @param cmdtp Pointer to bootm command table entry
591 * @param flag Command flags (CMD_FLAG_...)
592 * @param argc Number of subcommand arguments (0 = no arguments)
593 * @param argv Arguments
594 * @param states Mask containing states to run (BOOTM_STATE_...)
595 * @param images Image header information
596 * @param boot_progress 1 to show boot progress, 0 to not do this
597 * @return 0 if ok, something else on error. Some errors will cause this
598 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
599 * then the intent is to boot an OS, so this function will not return
600 * unless the image type is standalone.
602 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
603 char * const argv[], int states, bootm_headers_t *images,
610 images->state |= states;
613 * Work through the states and see how far we get. We stop on
616 if (states & BOOTM_STATE_START)
617 ret = bootm_start(cmdtp, flag, argc, argv);
619 if (!ret && (states & BOOTM_STATE_FINDOS))
620 ret = bootm_find_os(cmdtp, flag, argc, argv);
622 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
623 ret = bootm_find_other(cmdtp, flag, argc, argv);
624 argc = 0; /* consume the args */
628 if (!ret && (states & BOOTM_STATE_LOADOS)) {
631 iflag = bootm_disable_interrupts();
632 ret = bootm_load_os(images, &load_end, 0);
633 if (ret && ret != BOOTM_ERR_OVERLAP)
637 lmb_reserve(&images->lmb, images->os.load,
638 (load_end - images->os.load));
639 else if (ret == BOOTM_ERR_OVERLAP)
643 /* Relocate the ramdisk */
644 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
645 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
646 ulong rd_len = images->rd_end - images->rd_start;
648 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
649 rd_len, &images->initrd_start, &images->initrd_end);
651 setenv_hex("initrd_start", images->initrd_start);
652 setenv_hex("initrd_end", images->initrd_end);
656 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
657 if (!ret && (states & BOOTM_STATE_FDT)) {
658 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
659 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
664 /* From now on, we need the OS boot function */
667 boot_fn = boot_os[images->os.os];
668 if (boot_fn == NULL) {
671 printf("ERROR: booting os '%s' (%d) is not supported\n",
672 genimg_get_os_name(images->os.os), images->os.os);
673 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
677 /* Call various other states that are not generally used */
678 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
679 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
680 if (!ret && (states & BOOTM_STATE_OS_BD_T))
681 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
682 if (!ret && (states & BOOTM_STATE_OS_PREP))
683 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
685 /* Check for unsupported subcommand. */
687 puts("subcommand not supported\n");
693 /* Pretend to run the OS, then run a user command */
694 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
695 char *cmd_list = getenv("fakegocmd");
697 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
699 if (!ret && cmd_list)
700 ret = run_command_list(cmd_list, -1, flag);
703 /* Now run the OS! We hope this doesn't return */
704 if (!ret && (states & BOOTM_STATE_OS_GO)) {
705 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
713 /* Deal with any fallout */
718 if (ret == BOOTM_ERR_UNIMPLEMENTED)
719 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
720 else if (ret == BOOTM_ERR_RESET)
721 do_reset(cmdtp, flag, argc, argv);
726 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
733 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
737 state = (long)c->cmd;
738 if (state == BOOTM_STATE_START)
739 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
741 /* Unrecognized command */
742 return CMD_RET_USAGE;
745 if (state != BOOTM_STATE_START && images.state >= state) {
746 printf("Trying to execute a command out of order\n");
747 return CMD_RET_USAGE;
750 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
755 /*******************************************************************/
756 /* bootm - boot application image from image in memory */
757 /*******************************************************************/
759 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
761 #ifdef CONFIG_NEEDS_MANUAL_RELOC
762 static int relocated = 0;
767 /* relocate boot function table */
768 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
769 if (boot_os[i] != NULL)
770 boot_os[i] += gd->reloc_off;
772 /* relocate names of sub-command table */
773 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
774 cmd_bootm_sub[i].name += gd->reloc_off;
780 /* determine if we have a sub command */
785 simple_strtoul(argv[0], &endp, 16);
786 /* endp pointing to NULL means that argv[0] was just a
787 * valid number, pass it along to the normal bootm processing
789 * If endp is ':' or '#' assume a FIT identifier so pass
790 * along for normal processing.
792 * Right now we assume the first arg should never be '-'
794 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
795 return do_bootm_subcommand(cmdtp, flag, argc, argv);
798 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
799 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
800 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
801 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
804 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
806 const char *ep = getenv("autostart");
808 if (ep && !strcmp(ep, "yes")) {
810 local_args[0] = (char *)cmd;
811 local_args[1] = NULL;
812 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
813 return do_bootm(cmdtp, 0, 1, local_args);
820 * image_get_kernel - verify legacy format kernel image
821 * @img_addr: in RAM address of the legacy format image to be verified
822 * @verify: data CRC verification flag
824 * image_get_kernel() verifies legacy image integrity and returns pointer to
825 * legacy image header if image verification was completed successfully.
828 * pointer to a legacy image header if valid image was found
829 * otherwise return NULL
831 static image_header_t *image_get_kernel(ulong img_addr, int verify)
833 image_header_t *hdr = (image_header_t *)img_addr;
835 if (!image_check_magic(hdr)) {
836 puts("Bad Magic Number\n");
837 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
840 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
842 if (!image_check_hcrc(hdr)) {
843 puts("Bad Header Checksum\n");
844 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
848 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
849 image_print_contents(hdr);
852 puts(" Verifying Checksum ... ");
853 if (!image_check_dcrc(hdr)) {
854 printf("Bad Data CRC\n");
855 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
860 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
862 if (!image_check_target_arch(hdr)) {
863 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
864 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
871 * boot_get_kernel - find kernel image
872 * @os_data: pointer to a ulong variable, will hold os data start address
873 * @os_len: pointer to a ulong variable, will hold os data length
875 * boot_get_kernel() tries to find a kernel image, verifies its integrity
876 * and locates kernel data.
879 * pointer to image header if valid image was found, plus kernel start
880 * address and length, otherwise NULL
882 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
883 char * const argv[], bootm_headers_t *images, ulong *os_data,
889 #if defined(CONFIG_FIT)
890 const char *fit_uname_config = NULL;
891 const char *fit_uname_kernel = NULL;
895 /* find out kernel image address */
897 img_addr = load_addr;
898 debug("* kernel: default image load address = 0x%08lx\n",
900 #if defined(CONFIG_FIT)
901 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
902 &fit_uname_config)) {
903 debug("* kernel: config '%s' from image at 0x%08lx\n",
904 fit_uname_config, img_addr);
905 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
906 &fit_uname_kernel)) {
907 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
908 fit_uname_kernel, img_addr);
911 img_addr = simple_strtoul(argv[0], NULL, 16);
912 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
915 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
917 /* copy from dataflash if needed */
918 img_addr = genimg_get_image(img_addr);
920 /* check image type, for FIT images get FIT kernel node */
921 *os_data = *os_len = 0;
922 buf = map_sysmem(img_addr, 0);
923 switch (genimg_get_format(buf)) {
924 case IMAGE_FORMAT_LEGACY:
925 printf("## Booting kernel from Legacy Image at %08lx ...\n",
927 hdr = image_get_kernel(img_addr, images->verify);
930 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
932 /* get os_data and os_len */
933 switch (image_get_type(hdr)) {
935 case IH_TYPE_KERNEL_NOLOAD:
936 *os_data = image_get_data(hdr);
937 *os_len = image_get_data_size(hdr);
940 image_multi_getimg(hdr, 0, os_data, os_len);
942 case IH_TYPE_STANDALONE:
943 *os_data = image_get_data(hdr);
944 *os_len = image_get_data_size(hdr);
947 printf("Wrong Image Type for %s command\n",
949 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
954 * copy image header to allow for image overwrites during
955 * kernel decompression.
957 memmove(&images->legacy_hdr_os_copy, hdr,
958 sizeof(image_header_t));
960 /* save pointer to image header */
961 images->legacy_hdr_os = hdr;
963 images->legacy_hdr_valid = 1;
964 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
966 #if defined(CONFIG_FIT)
967 case IMAGE_FORMAT_FIT:
968 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
970 &fit_uname_kernel, fit_uname_config,
971 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
972 BOOTSTAGE_ID_FIT_KERNEL_START,
973 FIT_LOAD_IGNORED, os_data, os_len);
977 images->fit_hdr_os = map_sysmem(img_addr, 0);
978 images->fit_uname_os = fit_uname_kernel;
979 images->fit_noffset_os = os_noffset;
983 printf("Wrong Image Format for %s command\n", cmdtp->name);
984 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
988 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
989 *os_data, *os_len, *os_len);
994 #ifdef CONFIG_SYS_LONGHELP
995 static char bootm_help_text[] =
996 "[addr [arg ...]]\n - boot application image stored in memory\n"
997 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
998 "\t'arg' can be the address of an initrd image\n"
999 #if defined(CONFIG_OF_LIBFDT)
1000 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1001 "\ta third argument is required which is the address of the\n"
1002 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1003 "\tuse a '-' for the second argument. If you do not pass a third\n"
1004 "\ta bd_info struct will be passed instead\n"
1006 #if defined(CONFIG_FIT)
1007 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1008 "\tmust be extened to include component or configuration unit name:\n"
1009 "\taddr:<subimg_uname> - direct component image specification\n"
1010 "\taddr#<conf_uname> - configuration specification\n"
1011 "\tUse iminfo command to get the list of existing component\n"
1012 "\timages and configurations.\n"
1014 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1016 "issued in the order below (it's ok to not issue all sub-commands):\n"
1017 "\tstart [addr [arg ...]]\n"
1018 "\tloados - load OS image\n"
1019 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1020 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1022 #if defined(CONFIG_OF_LIBFDT)
1023 "\tfdt - relocate flat device tree\n"
1025 "\tcmdline - OS specific command line processing/setup\n"
1026 "\tbdt - OS specific bd_t processing\n"
1027 "\tprep - OS specific prep before relocation or go\n"
1032 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1033 "boot application image from memory", bootm_help_text
1036 /*******************************************************************/
1037 /* bootd - boot default image */
1038 /*******************************************************************/
1039 #if defined(CONFIG_CMD_BOOTD)
1040 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1044 if (run_command(getenv("bootcmd"), flag) < 0)
1050 boot, 1, 1, do_bootd,
1051 "boot default, i.e., run 'bootcmd'",
1055 /* keep old command name "bootd" for backward compatibility */
1057 bootd, 1, 1, do_bootd,
1058 "boot default, i.e., run 'bootcmd'",
1065 /*******************************************************************/
1066 /* iminfo - print header info for a requested image */
1067 /*******************************************************************/
1068 #if defined(CONFIG_CMD_IMI)
1069 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1076 return image_info(load_addr);
1079 for (arg = 1; arg < argc; ++arg) {
1080 addr = simple_strtoul(argv[arg], NULL, 16);
1081 if (image_info(addr) != 0)
1087 static int image_info(ulong addr)
1089 void *hdr = (void *)addr;
1091 printf("\n## Checking Image at %08lx ...\n", addr);
1093 switch (genimg_get_format(hdr)) {
1094 case IMAGE_FORMAT_LEGACY:
1095 puts(" Legacy image found\n");
1096 if (!image_check_magic(hdr)) {
1097 puts(" Bad Magic Number\n");
1101 if (!image_check_hcrc(hdr)) {
1102 puts(" Bad Header Checksum\n");
1106 image_print_contents(hdr);
1108 puts(" Verifying Checksum ... ");
1109 if (!image_check_dcrc(hdr)) {
1110 puts(" Bad Data CRC\n");
1115 #if defined(CONFIG_FIT)
1116 case IMAGE_FORMAT_FIT:
1117 puts(" FIT image found\n");
1119 if (!fit_check_format(hdr)) {
1120 puts("Bad FIT image format!\n");
1124 fit_print_contents(hdr);
1126 if (!fit_all_image_verify(hdr)) {
1127 puts("Bad hash in FIT image!\n");
1134 puts("Unknown image format!\n");
1142 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1143 "print header information for application image",
1145 " - print header information for application image starting at\n"
1146 " address 'addr' in memory; this includes verification of the\n"
1147 " image contents (magic number, header and payload checksums)"
1152 /*******************************************************************/
1153 /* imls - list all images found in flash */
1154 /*******************************************************************/
1155 #if defined(CONFIG_CMD_IMLS)
1156 static int do_imls_nor(void)
1162 for (i = 0, info = &flash_info[0];
1163 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1165 if (info->flash_id == FLASH_UNKNOWN)
1167 for (j = 0; j < info->sector_count; ++j) {
1169 hdr = (void *)info->start[j];
1173 switch (genimg_get_format(hdr)) {
1174 case IMAGE_FORMAT_LEGACY:
1175 if (!image_check_hcrc(hdr))
1178 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1179 image_print_contents(hdr);
1181 puts(" Verifying Checksum ... ");
1182 if (!image_check_dcrc(hdr)) {
1183 puts("Bad Data CRC\n");
1188 #if defined(CONFIG_FIT)
1189 case IMAGE_FORMAT_FIT:
1190 if (!fit_check_format(hdr))
1193 printf("FIT Image at %08lX:\n", (ulong)hdr);
1194 fit_print_contents(hdr);
1209 #if defined(CONFIG_CMD_IMLS_NAND)
1210 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1216 imgdata = malloc(len);
1218 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1220 printf(" Low memory(cannot allocate memory for image)\n");
1224 ret = nand_read_skip_bad(nand, off, &len,
1226 if (ret < 0 && ret != -EUCLEAN) {
1231 if (!image_check_hcrc(imgdata)) {
1236 printf("Legacy Image at NAND device %d offset %08llX:\n",
1238 image_print_contents(imgdata);
1240 puts(" Verifying Checksum ... ");
1241 if (!image_check_dcrc(imgdata))
1242 puts("Bad Data CRC\n");
1251 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1257 imgdata = malloc(len);
1259 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1261 printf(" Low memory(cannot allocate memory for image)\n");
1265 ret = nand_read_skip_bad(nand, off, &len,
1267 if (ret < 0 && ret != -EUCLEAN) {
1272 if (!fit_check_format(imgdata)) {
1277 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1279 fit_print_contents(imgdata);
1285 static int do_imls_nand(void)
1288 int nand_dev = nand_curr_device;
1293 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1294 puts("\nNo NAND devices available\n");
1300 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1301 nand = &nand_info[nand_dev];
1302 if (!nand->name || !nand->size)
1305 for (off = 0; off < nand->size; off += nand->erasesize) {
1306 const image_header_t *header;
1309 if (nand_block_isbad(nand, off))
1312 len = sizeof(buffer);
1314 ret = nand_read(nand, off, &len, (u8 *)buffer);
1315 if (ret < 0 && ret != -EUCLEAN) {
1316 printf("NAND read error %d at offset %08llX\n",
1321 switch (genimg_get_format(buffer)) {
1322 case IMAGE_FORMAT_LEGACY:
1323 header = (const image_header_t *)buffer;
1325 len = image_get_image_size(header);
1326 nand_imls_legacyimage(nand, nand_dev, off, len);
1328 #if defined(CONFIG_FIT)
1329 case IMAGE_FORMAT_FIT:
1330 len = fit_get_size(buffer);
1331 nand_imls_fitimage(nand, nand_dev, off, len);
1342 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1343 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1345 int ret_nor = 0, ret_nand = 0;
1347 #if defined(CONFIG_CMD_IMLS)
1348 ret_nor = do_imls_nor();
1351 #if defined(CONFIG_CMD_IMLS_NAND)
1352 ret_nand = do_imls_nand();
1365 imls, 1, 1, do_imls,
1366 "list all images found in flash",
1368 " - Prints information about all images found at sector/block\n"
1369 " boundaries in nor/nand flash."
1373 /*******************************************************************/
1374 /* helper routines */
1375 /*******************************************************************/
1376 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1378 #define CONSOLE_ARG "console="
1379 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1381 static void fixup_silent_linux(void)
1384 const char *env_val;
1385 char *cmdline = getenv("bootargs");
1387 /* Only fix cmdline when requested */
1388 if (!(gd->flags & GD_FLG_SILENT))
1391 debug("before silent fix-up: %s\n", cmdline);
1392 if (cmdline && (cmdline[0] != '\0')) {
1393 char *start = strstr(cmdline, CONSOLE_ARG);
1395 /* Allocate space for maximum possible new command line */
1396 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1398 debug("%s: out of memory\n", __func__);
1403 char *end = strchr(start, ' ');
1404 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1406 strncpy(buf, cmdline, num_start_bytes);
1408 strcpy(buf + num_start_bytes, end);
1410 buf[num_start_bytes] = '\0';
1412 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1417 env_val = CONSOLE_ARG;
1420 setenv("bootargs", env_val);
1421 debug("after silent fix-up: %s\n", env_val);
1424 #endif /* CONFIG_SILENT_CONSOLE */
1426 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1427 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1431 for (i = 0; i < argc; i++) {
1434 strcpy(dest, argv[i]);
1435 dest += strlen(argv[i]);
1440 /*******************************************************************/
1441 /* OS booting routines */
1442 /*******************************************************************/
1444 #ifdef CONFIG_BOOTM_NETBSD
1445 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1446 bootm_headers_t *images)
1448 void (*loader)(bd_t *, image_header_t *, char *, char *);
1449 image_header_t *os_hdr, *hdr;
1450 ulong kernel_data, kernel_len;
1454 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1457 #if defined(CONFIG_FIT)
1458 if (!images->legacy_hdr_valid) {
1459 fit_unsupported_reset("NetBSD");
1463 hdr = images->legacy_hdr_os;
1466 * Booting a (NetBSD) kernel image
1468 * This process is pretty similar to a standalone application:
1469 * The (first part of an multi-) image must be a stage-2 loader,
1470 * which in turn is responsible for loading & invoking the actual
1471 * kernel. The only differences are the parameters being passed:
1472 * besides the board info strucure, the loader expects a command
1473 * line, the name of the console device, and (optionally) the
1474 * address of the original image header.
1477 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1478 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1484 #if defined(CONFIG_8xx_CONS_SMC1)
1486 #elif defined(CONFIG_8xx_CONS_SMC2)
1488 #elif defined(CONFIG_8xx_CONS_SCC2)
1490 #elif defined(CONFIG_8xx_CONS_SCC3)
1498 for (i = 0, len = 0; i < argc; i += 1)
1499 len += strlen(argv[i]) + 1;
1500 cmdline = malloc(len);
1501 copy_args(cmdline, argc, argv, ' ');
1502 } else if ((cmdline = getenv("bootargs")) == NULL) {
1506 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1508 printf("## Transferring control to NetBSD stage-2 loader "
1509 "(at address %08lx) ...\n",
1512 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1515 * NetBSD Stage-2 Loader Parameters:
1516 * r3: ptr to board info data
1518 * r5: console device
1519 * r6: boot args string
1521 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1525 #endif /* CONFIG_BOOTM_NETBSD*/
1527 #ifdef CONFIG_LYNXKDI
1528 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1529 bootm_headers_t *images)
1531 image_header_t *hdr = &images->legacy_hdr_os_copy;
1533 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1536 #if defined(CONFIG_FIT)
1537 if (!images->legacy_hdr_valid) {
1538 fit_unsupported_reset("Lynx");
1543 lynxkdi_boot((image_header_t *)hdr);
1547 #endif /* CONFIG_LYNXKDI */
1549 #ifdef CONFIG_BOOTM_RTEMS
1550 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1551 bootm_headers_t *images)
1553 void (*entry_point)(bd_t *);
1555 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1558 #if defined(CONFIG_FIT)
1559 if (!images->legacy_hdr_valid) {
1560 fit_unsupported_reset("RTEMS");
1565 entry_point = (void (*)(bd_t *))images->ep;
1567 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1568 (ulong)entry_point);
1570 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1574 * r3: ptr to board info data
1576 (*entry_point)(gd->bd);
1580 #endif /* CONFIG_BOOTM_RTEMS */
1582 #if defined(CONFIG_BOOTM_OSE)
1583 static int do_bootm_ose(int flag, int argc, char * const argv[],
1584 bootm_headers_t *images)
1586 void (*entry_point)(void);
1588 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1591 #if defined(CONFIG_FIT)
1592 if (!images->legacy_hdr_valid) {
1593 fit_unsupported_reset("OSE");
1598 entry_point = (void (*)(void))images->ep;
1600 printf("## Transferring control to OSE (at address %08lx) ...\n",
1601 (ulong)entry_point);
1603 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1613 #endif /* CONFIG_BOOTM_OSE */
1615 #if defined(CONFIG_BOOTM_PLAN9)
1616 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1617 bootm_headers_t *images)
1619 void (*entry_point)(void);
1622 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1625 #if defined(CONFIG_FIT)
1626 if (!images->legacy_hdr_valid) {
1627 fit_unsupported_reset("Plan 9");
1632 /* See README.plan9 */
1633 s = getenv("confaddr");
1635 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1638 copy_args(confaddr, argc, argv, '\n');
1640 s = getenv("bootargs");
1642 strcpy(confaddr, s);
1646 entry_point = (void (*)(void))images->ep;
1648 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1649 (ulong)entry_point);
1651 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1654 * Plan 9 Parameters:
1661 #endif /* CONFIG_BOOTM_PLAN9 */
1663 #if defined(CONFIG_CMD_ELF)
1664 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1665 bootm_headers_t *images)
1669 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1672 #if defined(CONFIG_FIT)
1673 if (!images->legacy_hdr_valid) {
1674 fit_unsupported_reset("VxWorks");
1679 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1680 setenv("loadaddr", str);
1681 do_bootvx(NULL, 0, 0, NULL);
1686 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1687 bootm_headers_t *images)
1689 char *local_args[2];
1692 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1695 #if defined(CONFIG_FIT)
1696 if (!images->legacy_hdr_valid) {
1697 fit_unsupported_reset("QNX");
1702 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1703 local_args[0] = argv[0];
1704 local_args[1] = str; /* and provide it via the arguments */
1705 do_bootelf(NULL, 0, 2, local_args);
1711 #ifdef CONFIG_INTEGRITY
1712 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1713 bootm_headers_t *images)
1715 void (*entry_point)(void);
1717 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1720 #if defined(CONFIG_FIT)
1721 if (!images->legacy_hdr_valid) {
1722 fit_unsupported_reset("INTEGRITY");
1727 entry_point = (void (*)(void))images->ep;
1729 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1730 (ulong)entry_point);
1732 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1735 * INTEGRITY Parameters:
1744 #ifdef CONFIG_CMD_BOOTZ
1746 static int __bootz_setup(void *image, void **start, void **end)
1748 /* Please define bootz_setup() for your platform */
1750 puts("Your platform's zImage format isn't supported yet!\n");
1753 int bootz_setup(void *image, void **start, void **end)
1754 __attribute__((weak, alias("__bootz_setup")));
1757 * zImage booting support
1759 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1760 char * const argv[], bootm_headers_t *images)
1763 void *zi_start, *zi_end;
1765 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1768 /* Setup Linux kernel zImage entry point */
1770 images->ep = load_addr;
1771 debug("* kernel: default image load address = 0x%08lx\n",
1774 images->ep = simple_strtoul(argv[1], NULL, 16);
1775 debug("* kernel: cmdline image address = 0x%08lx\n",
1779 ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1783 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1785 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
1791 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1793 bootm_headers_t images;
1796 if (bootz_start(cmdtp, flag, argc, argv, &images))
1800 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1801 * disable interrupts ourselves
1803 bootm_disable_interrupts();
1805 ret = do_bootm_states(cmdtp, flag, argc, argv,
1806 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO,
1812 #ifdef CONFIG_SYS_LONGHELP
1813 static char bootz_help_text[] =
1814 "[addr [initrd[:size]] [fdt]]\n"
1815 " - boot Linux zImage stored in memory\n"
1816 "\tThe argument 'initrd' is optional and specifies the address\n"
1817 "\tof the initrd in memory. The optional argument ':size' allows\n"
1818 "\tspecifying the size of RAW initrd.\n"
1819 #if defined(CONFIG_OF_LIBFDT)
1820 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1821 "\ta third argument is required which is the address of the\n"
1822 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1823 "\tuse a '-' for the second argument. If you do not pass a third\n"
1824 "\ta bd_info struct will be passed instead\n"
1830 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1831 "boot Linux zImage image from memory", bootz_help_text
1833 #endif /* CONFIG_CMD_BOOTZ */