2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
17 #include <u-boot/zlib.h>
19 #include <environment.h>
21 #include <linux/ctype.h>
22 #include <asm/byteorder.h>
24 #include <linux/compiler.h>
26 #if defined(CONFIG_BOOTM_VXWORKS) && \
27 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
31 #if defined(CONFIG_CMD_USB)
35 #ifdef CONFIG_SYS_HUSH_PARSER
39 #if defined(CONFIG_OF_LIBFDT)
41 #include <fdt_support.h>
45 #include <lzma/LzmaTypes.h>
46 #include <lzma/LzmaDec.h>
47 #include <lzma/LzmaTools.h>
48 #endif /* CONFIG_LZMA */
51 #include <linux/lzo.h>
52 #endif /* CONFIG_LZO */
54 DECLARE_GLOBAL_DATA_PTR;
56 #ifndef CONFIG_SYS_BOOTM_LEN
57 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
61 extern void bz_internal_error(int);
64 #if defined(CONFIG_CMD_IMI)
65 static int image_info(unsigned long addr);
68 #if defined(CONFIG_CMD_IMLS)
70 #include <mtd/cfi_flash.h>
71 extern flash_info_t flash_info[]; /* info for FLASH chips */
74 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
75 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
78 #include <linux/err.h>
81 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
82 static void fixup_silent_linux(void);
85 static int do_bootm_standalone(int flag, int argc, char * const argv[],
86 bootm_headers_t *images);
88 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
89 char * const argv[], bootm_headers_t *images,
90 ulong *os_data, ulong *os_len);
93 * Continue booting an OS image; caller already has:
94 * - copied image header to global variable `header'
95 * - checked header magic number, checksums (both header & image),
96 * - verified image architecture (PPC) and type (KERNEL or MULTI),
97 * - loaded (first part of) image to header load address,
98 * - disabled interrupts.
100 * @flag: Flags indicating what to do (BOOTM_STATE_...)
101 * @argc: Number of arguments. Note that the arguments are shifted down
102 * so that 0 is the first argument not processed by U-Boot, and
103 * argc is adjusted accordingly. This avoids confusion as to how
104 * many arguments are available for the OS.
105 * @images: Pointers to os/initrd/fdt
106 * @return 1 on error. On success the OS boots so this function does
109 typedef int boot_os_fn(int flag, int argc, char * const argv[],
110 bootm_headers_t *images);
112 #ifdef CONFIG_BOOTM_LINUX
113 extern boot_os_fn do_bootm_linux;
115 #ifdef CONFIG_BOOTM_NETBSD
116 static boot_os_fn do_bootm_netbsd;
118 #if defined(CONFIG_LYNXKDI)
119 static boot_os_fn do_bootm_lynxkdi;
120 extern void lynxkdi_boot(image_header_t *);
122 #ifdef CONFIG_BOOTM_RTEMS
123 static boot_os_fn do_bootm_rtems;
125 #if defined(CONFIG_BOOTM_OSE)
126 static boot_os_fn do_bootm_ose;
128 #if defined(CONFIG_BOOTM_PLAN9)
129 static boot_os_fn do_bootm_plan9;
131 #if defined(CONFIG_BOOTM_VXWORKS) && \
132 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
133 static boot_os_fn do_bootm_vxworks;
135 #if defined(CONFIG_CMD_ELF)
136 static boot_os_fn do_bootm_qnxelf;
137 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
138 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
140 #if defined(CONFIG_INTEGRITY)
141 static boot_os_fn do_bootm_integrity;
144 static boot_os_fn *boot_os[] = {
145 [IH_OS_U_BOOT] = do_bootm_standalone,
146 #ifdef CONFIG_BOOTM_LINUX
147 [IH_OS_LINUX] = do_bootm_linux,
149 #ifdef CONFIG_BOOTM_NETBSD
150 [IH_OS_NETBSD] = do_bootm_netbsd,
152 #ifdef CONFIG_LYNXKDI
153 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
155 #ifdef CONFIG_BOOTM_RTEMS
156 [IH_OS_RTEMS] = do_bootm_rtems,
158 #if defined(CONFIG_BOOTM_OSE)
159 [IH_OS_OSE] = do_bootm_ose,
161 #if defined(CONFIG_BOOTM_PLAN9)
162 [IH_OS_PLAN9] = do_bootm_plan9,
164 #if defined(CONFIG_BOOTM_VXWORKS) && \
165 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
166 [IH_OS_VXWORKS] = do_bootm_vxworks,
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_QNX] = do_bootm_qnxelf,
171 #ifdef CONFIG_INTEGRITY
172 [IH_OS_INTEGRITY] = do_bootm_integrity,
176 bootm_headers_t images; /* pointers to os/initrd/fdt images */
178 /* Allow for arch specific config before we boot */
179 static void __arch_preboot_os(void)
181 /* please define platform specific arch_preboot_os() */
183 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
185 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
188 static void boot_start_lmb(bootm_headers_t *images)
191 phys_size_t mem_size;
193 lmb_init(&images->lmb);
195 mem_start = getenv_bootm_low();
196 mem_size = getenv_bootm_size();
198 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
200 arch_lmb_reserve(&images->lmb);
201 board_lmb_reserve(&images->lmb);
204 #define lmb_reserve(lmb, base, size)
205 static inline void boot_start_lmb(bootm_headers_t *images) { }
208 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 memset((void *)&images, 0, sizeof(images));
211 images.verify = getenv_yesno("verify");
213 boot_start_lmb(&images);
215 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
216 images.state = BOOTM_STATE_START;
221 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
225 bool ep_found = false;
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);
278 #ifdef CONFIG_ANDROID_BOOT_IMAGE
279 case IMAGE_FORMAT_ANDROID:
280 images.os.type = IH_TYPE_KERNEL;
281 images.os.comp = IH_COMP_NONE;
282 images.os.os = IH_OS_LINUX;
283 images.ep = images.os.load;
286 images.os.end = android_image_get_end(os_hdr);
287 images.os.load = android_image_get_kload(os_hdr);
291 puts("ERROR: unknown image format type!\n");
295 /* find kernel entry point */
296 if (images.legacy_hdr_valid) {
297 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
298 #if defined(CONFIG_FIT)
299 } else if (images.fit_uname_os) {
302 ret = fit_image_get_entry(images.fit_hdr_os,
303 images.fit_noffset_os, &images.ep);
305 puts("Can't get entry point property!\n");
309 } else if (!ep_found) {
310 puts("Could not find kernel entry point!\n");
314 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
315 images.os.load = images.os.image_start;
316 images.ep += images.os.load;
319 images.os.start = (ulong)os_hdr;
324 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
329 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
330 &images.rd_start, &images.rd_end);
332 puts("Ramdisk image is corrupt or invalid\n");
339 #if defined(CONFIG_OF_LIBFDT)
340 static int bootm_find_fdt(int flag, int argc, char * const argv[])
344 /* find flattened device tree */
345 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
346 &images.ft_addr, &images.ft_len);
348 puts("Could not find a valid device tree\n");
352 set_working_fdt_addr(images.ft_addr);
358 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
361 if (((images.os.type == IH_TYPE_KERNEL) ||
362 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
363 (images.os.type == IH_TYPE_MULTI)) &&
364 (images.os.os == IH_OS_LINUX ||
365 images.os.os == IH_OS_VXWORKS)) {
366 if (bootm_find_ramdisk(flag, argc, argv))
369 #if defined(CONFIG_OF_LIBFDT)
370 if (bootm_find_fdt(flag, argc, argv))
378 #define BOOTM_ERR_RESET -1
379 #define BOOTM_ERR_OVERLAP -2
380 #define BOOTM_ERR_UNIMPLEMENTED -3
381 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
384 image_info_t os = images->os;
385 uint8_t comp = os.comp;
386 ulong load = os.load;
387 ulong blob_start = os.start;
388 ulong blob_end = os.end;
389 ulong image_start = os.image_start;
390 ulong image_len = os.image_len;
391 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
393 void *load_buf, *image_buf;
394 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
396 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
398 const char *type_name = genimg_get_type_name(os.type);
400 load_buf = map_sysmem(load, unc_len);
401 image_buf = map_sysmem(image_start, image_len);
404 if (load == image_start) {
405 printf(" XIP %s ... ", type_name);
408 printf(" Loading %s ... ", type_name);
409 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
411 *load_end = load + image_len;
415 printf(" Uncompressing %s ... ", type_name);
416 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
417 puts("GUNZIP: uncompress, out-of-mem or overwrite "
418 "error - must RESET board to recover\n");
420 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
421 return BOOTM_ERR_RESET;
424 *load_end = load + image_len;
426 #endif /* CONFIG_GZIP */
429 printf(" Uncompressing %s ... ", type_name);
431 * If we've got less than 4 MB of malloc() space,
432 * use slower decompression algorithm which requires
433 * at most 2300 KB of memory.
435 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
436 image_buf, image_len,
437 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
439 printf("BUNZIP2: uncompress or overwrite error %d "
440 "- must RESET board to recover\n", i);
442 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
443 return BOOTM_ERR_RESET;
446 *load_end = load + unc_len;
448 #endif /* CONFIG_BZIP2 */
451 SizeT lzma_len = unc_len;
452 printf(" Uncompressing %s ... ", type_name);
454 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
455 image_buf, image_len);
458 printf("LZMA: uncompress or overwrite error %d "
459 "- must RESET board to recover\n", ret);
460 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
461 return BOOTM_ERR_RESET;
463 *load_end = load + unc_len;
466 #endif /* CONFIG_LZMA */
469 size_t size = unc_len;
471 printf(" Uncompressing %s ... ", type_name);
473 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
474 if (ret != LZO_E_OK) {
475 printf("LZO: uncompress or overwrite error %d "
476 "- must RESET board to recover\n", ret);
478 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
479 return BOOTM_ERR_RESET;
482 *load_end = load + size;
485 #endif /* CONFIG_LZO */
487 printf("Unimplemented compression type %d\n", comp);
488 return BOOTM_ERR_UNIMPLEMENTED;
491 flush_cache(load, (*load_end - load) * sizeof(ulong));
494 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
495 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
497 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
498 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
499 blob_start, blob_end);
500 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
503 /* Check what type of image this is. */
504 if (images->legacy_hdr_valid) {
505 if (image_get_type(&images->legacy_hdr_os_copy)
507 puts("WARNING: legacy format multi component image overwritten\n");
508 return BOOTM_ERR_OVERLAP;
510 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
511 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
512 return BOOTM_ERR_RESET;
519 static int do_bootm_standalone(int flag, int argc, char * const argv[],
520 bootm_headers_t *images)
523 int (*appl)(int, char * const []);
525 /* Don't start if "autostart" is set to "no" */
526 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
527 setenv_hex("filesize", images->os.image_len);
530 appl = (int (*)(int, char * const []))images->ep;
535 /* we overload the cmd field with our state machine info instead of a
536 * function pointer */
537 static cmd_tbl_t cmd_bootm_sub[] = {
538 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
539 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
540 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
541 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
543 #ifdef CONFIG_OF_LIBFDT
544 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
546 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
547 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
548 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
549 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
550 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
553 static int boot_selected_os(int argc, char * const argv[], int state,
554 bootm_headers_t *images, boot_os_fn *boot_fn)
557 boot_fn(state, argc, argv, images);
559 /* Stand-alone may return when 'autostart' is 'no' */
560 if (images->os.type == IH_TYPE_STANDALONE ||
561 state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
563 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
565 puts("\n## Control returned to monitor - resetting...\n");
567 return BOOTM_ERR_RESET;
571 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
573 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
576 static ulong bootm_disable_interrupts(void)
581 * We have reached the point of no return: we are going to
582 * overwrite all exception vector code, so we cannot easily
583 * recover from any failures any more...
585 iflag = disable_interrupts();
586 #ifdef CONFIG_NETCONSOLE
587 /* Stop the ethernet stack if NetConsole could have left it up */
589 eth_unregister(eth_get_dev());
592 #if defined(CONFIG_CMD_USB)
594 * turn off USB to prevent the host controller from writing to the
595 * SDRAM while Linux is booting. This could happen (at least for OHCI
596 * controller), because the HCCA (Host Controller Communication Area)
597 * lies within the SDRAM and the host controller writes continously to
598 * this area (as busmaster!). The HccaFrameNumber is for example
599 * updated every 1 ms within the HCCA structure in SDRAM! For more
600 * details see the OpenHCI specification.
608 * Execute selected states of the bootm command.
610 * Note the arguments to this state must be the first argument, Any 'bootm'
611 * or sub-command arguments must have already been taken.
613 * Note that if states contains more than one flag it MUST contain
614 * BOOTM_STATE_START, since this handles and consumes the command line args.
616 * Also note that aside from boot_os_fn functions and bootm_load_os no other
617 * functions we store the return value of in 'ret' may use a negative return
618 * value, without special handling.
620 * @param cmdtp Pointer to bootm command table entry
621 * @param flag Command flags (CMD_FLAG_...)
622 * @param argc Number of subcommand arguments (0 = no arguments)
623 * @param argv Arguments
624 * @param states Mask containing states to run (BOOTM_STATE_...)
625 * @param images Image header information
626 * @param boot_progress 1 to show boot progress, 0 to not do this
627 * @return 0 if ok, something else on error. Some errors will cause this
628 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
629 * then the intent is to boot an OS, so this function will not return
630 * unless the image type is standalone.
632 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
633 char * const argv[], int states, bootm_headers_t *images,
638 int ret = 0, need_boot_fn;
640 images->state |= states;
643 * Work through the states and see how far we get. We stop on
646 if (states & BOOTM_STATE_START)
647 ret = bootm_start(cmdtp, flag, argc, argv);
649 if (!ret && (states & BOOTM_STATE_FINDOS))
650 ret = bootm_find_os(cmdtp, flag, argc, argv);
652 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
653 ret = bootm_find_other(cmdtp, flag, argc, argv);
654 argc = 0; /* consume the args */
658 if (!ret && (states & BOOTM_STATE_LOADOS)) {
661 iflag = bootm_disable_interrupts();
662 ret = bootm_load_os(images, &load_end, 0);
664 lmb_reserve(&images->lmb, images->os.load,
665 (load_end - images->os.load));
666 else if (ret && ret != BOOTM_ERR_OVERLAP)
668 else if (ret == BOOTM_ERR_OVERLAP)
670 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
671 if (images->os.os == IH_OS_LINUX)
672 fixup_silent_linux();
676 /* Relocate the ramdisk */
677 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
678 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
679 ulong rd_len = images->rd_end - images->rd_start;
681 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
682 rd_len, &images->initrd_start, &images->initrd_end);
684 setenv_hex("initrd_start", images->initrd_start);
685 setenv_hex("initrd_end", images->initrd_end);
689 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
690 if (!ret && (states & BOOTM_STATE_FDT)) {
691 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
692 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
697 /* From now on, we need the OS boot function */
700 boot_fn = boot_os[images->os.os];
701 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
702 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
703 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
704 if (boot_fn == NULL && need_boot_fn) {
707 printf("ERROR: booting os '%s' (%d) is not supported\n",
708 genimg_get_os_name(images->os.os), images->os.os);
709 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
713 /* Call various other states that are not generally used */
714 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
715 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
716 if (!ret && (states & BOOTM_STATE_OS_BD_T))
717 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
718 if (!ret && (states & BOOTM_STATE_OS_PREP))
719 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
722 /* Pretend to run the OS, then run a user command */
723 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
724 char *cmd_list = getenv("fakegocmd");
726 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
728 if (!ret && cmd_list)
729 ret = run_command_list(cmd_list, -1, flag);
733 /* Check for unsupported subcommand. */
735 puts("subcommand not supported\n");
739 /* Now run the OS! We hope this doesn't return */
740 if (!ret && (states & BOOTM_STATE_OS_GO))
741 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
744 /* Deal with any fallout */
749 if (ret == BOOTM_ERR_UNIMPLEMENTED)
750 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
751 else if (ret == BOOTM_ERR_RESET)
752 do_reset(cmdtp, flag, argc, argv);
757 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
764 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
768 state = (long)c->cmd;
769 if (state == BOOTM_STATE_START)
770 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
772 /* Unrecognized command */
773 return CMD_RET_USAGE;
776 if (state != BOOTM_STATE_START && images.state >= state) {
777 printf("Trying to execute a command out of order\n");
778 return CMD_RET_USAGE;
781 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
786 /*******************************************************************/
787 /* bootm - boot application image from image in memory */
788 /*******************************************************************/
790 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
792 #ifdef CONFIG_NEEDS_MANUAL_RELOC
793 static int relocated = 0;
798 /* relocate boot function table */
799 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
800 if (boot_os[i] != NULL)
801 boot_os[i] += gd->reloc_off;
803 /* relocate names of sub-command table */
804 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
805 cmd_bootm_sub[i].name += gd->reloc_off;
811 /* determine if we have a sub command */
816 simple_strtoul(argv[0], &endp, 16);
817 /* endp pointing to NULL means that argv[0] was just a
818 * valid number, pass it along to the normal bootm processing
820 * If endp is ':' or '#' assume a FIT identifier so pass
821 * along for normal processing.
823 * Right now we assume the first arg should never be '-'
825 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
826 return do_bootm_subcommand(cmdtp, flag, argc, argv);
829 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
830 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
832 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
833 BOOTM_STATE_OS_CMDLINE |
835 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
836 BOOTM_STATE_OS_GO, &images, 1);
839 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
841 const char *ep = getenv("autostart");
843 if (ep && !strcmp(ep, "yes")) {
845 local_args[0] = (char *)cmd;
846 local_args[1] = NULL;
847 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
848 return do_bootm(cmdtp, 0, 1, local_args);
855 * image_get_kernel - verify legacy format kernel image
856 * @img_addr: in RAM address of the legacy format image to be verified
857 * @verify: data CRC verification flag
859 * image_get_kernel() verifies legacy image integrity and returns pointer to
860 * legacy image header if image verification was completed successfully.
863 * pointer to a legacy image header if valid image was found
864 * otherwise return NULL
866 static image_header_t *image_get_kernel(ulong img_addr, int verify)
868 image_header_t *hdr = (image_header_t *)img_addr;
870 if (!image_check_magic(hdr)) {
871 puts("Bad Magic Number\n");
872 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
875 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
877 if (!image_check_hcrc(hdr)) {
878 puts("Bad Header Checksum\n");
879 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
883 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
884 image_print_contents(hdr);
887 puts(" Verifying Checksum ... ");
888 if (!image_check_dcrc(hdr)) {
889 printf("Bad Data CRC\n");
890 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
895 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
897 if (!image_check_target_arch(hdr)) {
898 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
899 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
906 * boot_get_kernel - find kernel image
907 * @os_data: pointer to a ulong variable, will hold os data start address
908 * @os_len: pointer to a ulong variable, will hold os data length
910 * boot_get_kernel() tries to find a kernel image, verifies its integrity
911 * and locates kernel data.
914 * pointer to image header if valid image was found, plus kernel start
915 * address and length, otherwise NULL
917 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
918 char * const argv[], bootm_headers_t *images, ulong *os_data,
924 #if defined(CONFIG_FIT)
925 const char *fit_uname_config = NULL;
926 const char *fit_uname_kernel = NULL;
930 /* find out kernel image address */
932 img_addr = load_addr;
933 debug("* kernel: default image load address = 0x%08lx\n",
935 #if defined(CONFIG_FIT)
936 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
937 &fit_uname_config)) {
938 debug("* kernel: config '%s' from image at 0x%08lx\n",
939 fit_uname_config, img_addr);
940 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
941 &fit_uname_kernel)) {
942 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
943 fit_uname_kernel, img_addr);
946 img_addr = simple_strtoul(argv[0], NULL, 16);
947 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
950 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
952 /* copy from dataflash if needed */
953 img_addr = genimg_get_image(img_addr);
955 /* check image type, for FIT images get FIT kernel node */
956 *os_data = *os_len = 0;
957 buf = map_sysmem(img_addr, 0);
958 switch (genimg_get_format(buf)) {
959 case IMAGE_FORMAT_LEGACY:
960 printf("## Booting kernel from Legacy Image at %08lx ...\n",
962 hdr = image_get_kernel(img_addr, images->verify);
965 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
967 /* get os_data and os_len */
968 switch (image_get_type(hdr)) {
970 case IH_TYPE_KERNEL_NOLOAD:
971 *os_data = image_get_data(hdr);
972 *os_len = image_get_data_size(hdr);
975 image_multi_getimg(hdr, 0, os_data, os_len);
977 case IH_TYPE_STANDALONE:
978 *os_data = image_get_data(hdr);
979 *os_len = image_get_data_size(hdr);
982 printf("Wrong Image Type for %s command\n",
984 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
989 * copy image header to allow for image overwrites during
990 * kernel decompression.
992 memmove(&images->legacy_hdr_os_copy, hdr,
993 sizeof(image_header_t));
995 /* save pointer to image header */
996 images->legacy_hdr_os = hdr;
998 images->legacy_hdr_valid = 1;
999 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
1001 #if defined(CONFIG_FIT)
1002 case IMAGE_FORMAT_FIT:
1003 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
1005 &fit_uname_kernel, &fit_uname_config,
1006 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
1007 BOOTSTAGE_ID_FIT_KERNEL_START,
1008 FIT_LOAD_IGNORED, os_data, os_len);
1012 images->fit_hdr_os = map_sysmem(img_addr, 0);
1013 images->fit_uname_os = fit_uname_kernel;
1014 images->fit_uname_cfg = fit_uname_config;
1015 images->fit_noffset_os = os_noffset;
1018 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1019 case IMAGE_FORMAT_ANDROID:
1020 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
1021 if (android_image_get_kernel((void *)img_addr, images->verify,
1027 printf("Wrong Image Format for %s command\n", cmdtp->name);
1028 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1032 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1033 *os_data, *os_len, *os_len);
1038 #ifdef CONFIG_SYS_LONGHELP
1039 static char bootm_help_text[] =
1040 "[addr [arg ...]]\n - boot application image stored in memory\n"
1041 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1042 "\t'arg' can be the address of an initrd image\n"
1043 #if defined(CONFIG_OF_LIBFDT)
1044 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1045 "\ta third argument is required which is the address of the\n"
1046 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1047 "\tuse a '-' for the second argument. If you do not pass a third\n"
1048 "\ta bd_info struct will be passed instead\n"
1050 #if defined(CONFIG_FIT)
1051 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1052 "\tmust be extened to include component or configuration unit name:\n"
1053 "\taddr:<subimg_uname> - direct component image specification\n"
1054 "\taddr#<conf_uname> - configuration specification\n"
1055 "\tUse iminfo command to get the list of existing component\n"
1056 "\timages and configurations.\n"
1058 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1060 "issued in the order below (it's ok to not issue all sub-commands):\n"
1061 "\tstart [addr [arg ...]]\n"
1062 "\tloados - load OS image\n"
1063 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1064 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1066 #if defined(CONFIG_OF_LIBFDT)
1067 "\tfdt - relocate flat device tree\n"
1069 "\tcmdline - OS specific command line processing/setup\n"
1070 "\tbdt - OS specific bd_t processing\n"
1071 "\tprep - OS specific prep before relocation or go\n"
1076 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1077 "boot application image from memory", bootm_help_text
1080 /*******************************************************************/
1081 /* bootd - boot default image */
1082 /*******************************************************************/
1083 #if defined(CONFIG_CMD_BOOTD)
1084 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1088 if (run_command(getenv("bootcmd"), flag) < 0)
1094 boot, 1, 1, do_bootd,
1095 "boot default, i.e., run 'bootcmd'",
1099 /* keep old command name "bootd" for backward compatibility */
1101 bootd, 1, 1, do_bootd,
1102 "boot default, i.e., run 'bootcmd'",
1109 /*******************************************************************/
1110 /* iminfo - print header info for a requested image */
1111 /*******************************************************************/
1112 #if defined(CONFIG_CMD_IMI)
1113 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1120 return image_info(load_addr);
1123 for (arg = 1; arg < argc; ++arg) {
1124 addr = simple_strtoul(argv[arg], NULL, 16);
1125 if (image_info(addr) != 0)
1131 static int image_info(ulong addr)
1133 void *hdr = (void *)addr;
1135 printf("\n## Checking Image at %08lx ...\n", addr);
1137 switch (genimg_get_format(hdr)) {
1138 case IMAGE_FORMAT_LEGACY:
1139 puts(" Legacy image found\n");
1140 if (!image_check_magic(hdr)) {
1141 puts(" Bad Magic Number\n");
1145 if (!image_check_hcrc(hdr)) {
1146 puts(" Bad Header Checksum\n");
1150 image_print_contents(hdr);
1152 puts(" Verifying Checksum ... ");
1153 if (!image_check_dcrc(hdr)) {
1154 puts(" Bad Data CRC\n");
1159 #if defined(CONFIG_FIT)
1160 case IMAGE_FORMAT_FIT:
1161 puts(" FIT image found\n");
1163 if (!fit_check_format(hdr)) {
1164 puts("Bad FIT image format!\n");
1168 fit_print_contents(hdr);
1170 if (!fit_all_image_verify(hdr)) {
1171 puts("Bad hash in FIT image!\n");
1178 puts("Unknown image format!\n");
1186 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1187 "print header information for application image",
1189 " - print header information for application image starting at\n"
1190 " address 'addr' in memory; this includes verification of the\n"
1191 " image contents (magic number, header and payload checksums)"
1196 /*******************************************************************/
1197 /* imls - list all images found in flash */
1198 /*******************************************************************/
1199 #if defined(CONFIG_CMD_IMLS)
1200 static int do_imls_nor(void)
1206 for (i = 0, info = &flash_info[0];
1207 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1209 if (info->flash_id == FLASH_UNKNOWN)
1211 for (j = 0; j < info->sector_count; ++j) {
1213 hdr = (void *)info->start[j];
1217 switch (genimg_get_format(hdr)) {
1218 case IMAGE_FORMAT_LEGACY:
1219 if (!image_check_hcrc(hdr))
1222 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1223 image_print_contents(hdr);
1225 puts(" Verifying Checksum ... ");
1226 if (!image_check_dcrc(hdr)) {
1227 puts("Bad Data CRC\n");
1232 #if defined(CONFIG_FIT)
1233 case IMAGE_FORMAT_FIT:
1234 if (!fit_check_format(hdr))
1237 printf("FIT Image at %08lX:\n", (ulong)hdr);
1238 fit_print_contents(hdr);
1253 #if defined(CONFIG_CMD_IMLS_NAND)
1254 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1260 imgdata = malloc(len);
1262 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1264 printf(" Low memory(cannot allocate memory for image)\n");
1268 ret = nand_read_skip_bad(nand, off, &len,
1270 if (ret < 0 && ret != -EUCLEAN) {
1275 if (!image_check_hcrc(imgdata)) {
1280 printf("Legacy Image at NAND device %d offset %08llX:\n",
1282 image_print_contents(imgdata);
1284 puts(" Verifying Checksum ... ");
1285 if (!image_check_dcrc(imgdata))
1286 puts("Bad Data CRC\n");
1295 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1301 imgdata = malloc(len);
1303 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1305 printf(" Low memory(cannot allocate memory for image)\n");
1309 ret = nand_read_skip_bad(nand, off, &len,
1311 if (ret < 0 && ret != -EUCLEAN) {
1316 if (!fit_check_format(imgdata)) {
1321 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1323 fit_print_contents(imgdata);
1329 static int do_imls_nand(void)
1332 int nand_dev = nand_curr_device;
1337 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1338 puts("\nNo NAND devices available\n");
1344 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1345 nand = &nand_info[nand_dev];
1346 if (!nand->name || !nand->size)
1349 for (off = 0; off < nand->size; off += nand->erasesize) {
1350 const image_header_t *header;
1353 if (nand_block_isbad(nand, off))
1356 len = sizeof(buffer);
1358 ret = nand_read(nand, off, &len, (u8 *)buffer);
1359 if (ret < 0 && ret != -EUCLEAN) {
1360 printf("NAND read error %d at offset %08llX\n",
1365 switch (genimg_get_format(buffer)) {
1366 case IMAGE_FORMAT_LEGACY:
1367 header = (const image_header_t *)buffer;
1369 len = image_get_image_size(header);
1370 nand_imls_legacyimage(nand, nand_dev, off, len);
1372 #if defined(CONFIG_FIT)
1373 case IMAGE_FORMAT_FIT:
1374 len = fit_get_size(buffer);
1375 nand_imls_fitimage(nand, nand_dev, off, len);
1386 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1387 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1389 int ret_nor = 0, ret_nand = 0;
1391 #if defined(CONFIG_CMD_IMLS)
1392 ret_nor = do_imls_nor();
1395 #if defined(CONFIG_CMD_IMLS_NAND)
1396 ret_nand = do_imls_nand();
1409 imls, 1, 1, do_imls,
1410 "list all images found in flash",
1412 " - Prints information about all images found at sector/block\n"
1413 " boundaries in nor/nand flash."
1417 /*******************************************************************/
1418 /* helper routines */
1419 /*******************************************************************/
1420 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1422 #define CONSOLE_ARG "console="
1423 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1425 static void fixup_silent_linux(void)
1428 const char *env_val;
1429 char *cmdline = getenv("bootargs");
1433 * Only fix cmdline when requested. The environment variable can be:
1435 * no - we never fixup
1436 * yes - we always fixup
1437 * unset - we rely on the console silent flag
1439 want_silent = getenv_yesno("silent_linux");
1440 if (want_silent == 0)
1442 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
1445 debug("before silent fix-up: %s\n", cmdline);
1446 if (cmdline && (cmdline[0] != '\0')) {
1447 char *start = strstr(cmdline, CONSOLE_ARG);
1449 /* Allocate space for maximum possible new command line */
1450 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1452 debug("%s: out of memory\n", __func__);
1457 char *end = strchr(start, ' ');
1458 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1460 strncpy(buf, cmdline, num_start_bytes);
1462 strcpy(buf + num_start_bytes, end);
1464 buf[num_start_bytes] = '\0';
1466 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1471 env_val = CONSOLE_ARG;
1474 setenv("bootargs", env_val);
1475 debug("after silent fix-up: %s\n", env_val);
1478 #endif /* CONFIG_SILENT_CONSOLE */
1480 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1481 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1485 for (i = 0; i < argc; i++) {
1488 strcpy(dest, argv[i]);
1489 dest += strlen(argv[i]);
1494 /*******************************************************************/
1495 /* OS booting routines */
1496 /*******************************************************************/
1498 #ifdef CONFIG_BOOTM_NETBSD
1499 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1500 bootm_headers_t *images)
1502 void (*loader)(bd_t *, image_header_t *, char *, char *);
1503 image_header_t *os_hdr, *hdr;
1504 ulong kernel_data, kernel_len;
1508 if (flag != BOOTM_STATE_OS_GO)
1511 #if defined(CONFIG_FIT)
1512 if (!images->legacy_hdr_valid) {
1513 fit_unsupported_reset("NetBSD");
1517 hdr = images->legacy_hdr_os;
1520 * Booting a (NetBSD) kernel image
1522 * This process is pretty similar to a standalone application:
1523 * The (first part of an multi-) image must be a stage-2 loader,
1524 * which in turn is responsible for loading & invoking the actual
1525 * kernel. The only differences are the parameters being passed:
1526 * besides the board info strucure, the loader expects a command
1527 * line, the name of the console device, and (optionally) the
1528 * address of the original image header.
1531 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1532 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1538 #if defined(CONFIG_8xx_CONS_SMC1)
1540 #elif defined(CONFIG_8xx_CONS_SMC2)
1542 #elif defined(CONFIG_8xx_CONS_SCC2)
1544 #elif defined(CONFIG_8xx_CONS_SCC3)
1552 for (i = 0, len = 0; i < argc; i += 1)
1553 len += strlen(argv[i]) + 1;
1554 cmdline = malloc(len);
1555 copy_args(cmdline, argc, argv, ' ');
1556 } else if ((cmdline = getenv("bootargs")) == NULL) {
1560 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1562 printf("## Transferring control to NetBSD stage-2 loader "
1563 "(at address %08lx) ...\n",
1566 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1569 * NetBSD Stage-2 Loader Parameters:
1570 * arg[0]: pointer to board info data
1571 * arg[1]: image load address
1572 * arg[2]: char pointer to the console device to use
1573 * arg[3]: char pointer to the boot arguments
1575 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1579 #endif /* CONFIG_BOOTM_NETBSD*/
1581 #ifdef CONFIG_LYNXKDI
1582 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1583 bootm_headers_t *images)
1585 image_header_t *hdr = &images->legacy_hdr_os_copy;
1587 if (flag != BOOTM_STATE_OS_GO)
1590 #if defined(CONFIG_FIT)
1591 if (!images->legacy_hdr_valid) {
1592 fit_unsupported_reset("Lynx");
1597 lynxkdi_boot((image_header_t *)hdr);
1601 #endif /* CONFIG_LYNXKDI */
1603 #ifdef CONFIG_BOOTM_RTEMS
1604 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1605 bootm_headers_t *images)
1607 void (*entry_point)(bd_t *);
1609 if (flag != BOOTM_STATE_OS_GO)
1612 #if defined(CONFIG_FIT)
1613 if (!images->legacy_hdr_valid) {
1614 fit_unsupported_reset("RTEMS");
1619 entry_point = (void (*)(bd_t *))images->ep;
1621 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1622 (ulong)entry_point);
1624 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1628 * r3: ptr to board info data
1630 (*entry_point)(gd->bd);
1634 #endif /* CONFIG_BOOTM_RTEMS */
1636 #if defined(CONFIG_BOOTM_OSE)
1637 static int do_bootm_ose(int flag, int argc, char * const argv[],
1638 bootm_headers_t *images)
1640 void (*entry_point)(void);
1642 if (flag != BOOTM_STATE_OS_GO)
1645 #if defined(CONFIG_FIT)
1646 if (!images->legacy_hdr_valid) {
1647 fit_unsupported_reset("OSE");
1652 entry_point = (void (*)(void))images->ep;
1654 printf("## Transferring control to OSE (at address %08lx) ...\n",
1655 (ulong)entry_point);
1657 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1667 #endif /* CONFIG_BOOTM_OSE */
1669 #if defined(CONFIG_BOOTM_PLAN9)
1670 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1671 bootm_headers_t *images)
1673 void (*entry_point)(void);
1676 if (flag != BOOTM_STATE_OS_GO)
1679 #if defined(CONFIG_FIT)
1680 if (!images->legacy_hdr_valid) {
1681 fit_unsupported_reset("Plan 9");
1686 /* See README.plan9 */
1687 s = getenv("confaddr");
1689 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1692 copy_args(confaddr, argc, argv, '\n');
1694 s = getenv("bootargs");
1696 strcpy(confaddr, s);
1700 entry_point = (void (*)(void))images->ep;
1702 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1703 (ulong)entry_point);
1705 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1708 * Plan 9 Parameters:
1715 #endif /* CONFIG_BOOTM_PLAN9 */
1717 #if defined(CONFIG_BOOTM_VXWORKS) && \
1718 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
1720 void do_bootvx_fdt(bootm_headers_t *images)
1722 #if defined(CONFIG_OF_LIBFDT)
1725 ulong of_size = images->ft_len;
1726 char **of_flat_tree = &images->ft_addr;
1727 struct lmb *lmb = &images->lmb;
1729 if (*of_flat_tree) {
1730 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1732 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1736 ret = fdt_add_subnode(*of_flat_tree, 0, "chosen");
1737 if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) {
1738 bootline = getenv("bootargs");
1740 ret = fdt_find_and_setprop(*of_flat_tree,
1741 "/chosen", "bootargs",
1743 strlen(bootline) + 1, 1);
1745 printf("## ERROR: %s : %s\n", __func__,
1751 printf("## ERROR: %s : %s\n", __func__,
1758 boot_prep_vxworks(images);
1760 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1762 #if defined(CONFIG_OF_LIBFDT)
1763 printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
1764 (ulong)images->ep, (ulong)*of_flat_tree);
1766 printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep);
1769 boot_jump_vxworks(images);
1771 puts("## vxWorks terminated\n");
1774 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1775 bootm_headers_t *images)
1777 if (flag != BOOTM_STATE_OS_GO)
1780 #if defined(CONFIG_FIT)
1781 if (!images->legacy_hdr_valid) {
1782 fit_unsupported_reset("VxWorks");
1787 do_bootvx_fdt(images);
1793 #if defined(CONFIG_CMD_ELF)
1794 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1795 bootm_headers_t *images)
1797 char *local_args[2];
1800 if (flag != BOOTM_STATE_OS_GO)
1803 #if defined(CONFIG_FIT)
1804 if (!images->legacy_hdr_valid) {
1805 fit_unsupported_reset("QNX");
1810 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1811 local_args[0] = argv[0];
1812 local_args[1] = str; /* and provide it via the arguments */
1813 do_bootelf(NULL, 0, 2, local_args);
1819 #ifdef CONFIG_INTEGRITY
1820 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1821 bootm_headers_t *images)
1823 void (*entry_point)(void);
1825 if (flag != BOOTM_STATE_OS_GO)
1828 #if defined(CONFIG_FIT)
1829 if (!images->legacy_hdr_valid) {
1830 fit_unsupported_reset("INTEGRITY");
1835 entry_point = (void (*)(void))images->ep;
1837 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1838 (ulong)entry_point);
1840 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1843 * INTEGRITY Parameters:
1852 #ifdef CONFIG_CMD_BOOTZ
1854 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1856 /* Please define bootz_setup() for your platform */
1858 puts("Your platform's zImage format isn't supported yet!\n");
1863 * zImage booting support
1865 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1866 char * const argv[], bootm_headers_t *images)
1869 ulong zi_start, zi_end;
1871 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1874 /* Setup Linux kernel zImage entry point */
1876 images->ep = load_addr;
1877 debug("* kernel: default image load address = 0x%08lx\n",
1880 images->ep = simple_strtoul(argv[0], NULL, 16);
1881 debug("* kernel: cmdline image address = 0x%08lx\n",
1885 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1889 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1892 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1893 * have a header that provide this informaiton.
1895 if (bootm_find_ramdisk(flag, argc, argv))
1898 #if defined(CONFIG_OF_LIBFDT)
1899 if (bootm_find_fdt(flag, argc, argv))
1906 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1910 /* Consume 'bootz' */
1913 if (bootz_start(cmdtp, flag, argc, argv, &images))
1917 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1918 * disable interrupts ourselves
1920 bootm_disable_interrupts();
1922 images.os.os = IH_OS_LINUX;
1923 ret = do_bootm_states(cmdtp, flag, argc, argv,
1924 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1931 #ifdef CONFIG_SYS_LONGHELP
1932 static char bootz_help_text[] =
1933 "[addr [initrd[:size]] [fdt]]\n"
1934 " - boot Linux zImage stored in memory\n"
1935 "\tThe argument 'initrd' is optional and specifies the address\n"
1936 "\tof the initrd in memory. The optional argument ':size' allows\n"
1937 "\tspecifying the size of RAW initrd.\n"
1938 #if defined(CONFIG_OF_LIBFDT)
1939 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1940 "\ta third argument is required which is the address of the\n"
1941 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1942 "\tuse a '-' for the second argument. If you do not pass a third\n"
1943 "\ta bd_info struct will be passed instead\n"
1949 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1950 "boot Linux zImage image from memory", bootz_help_text
1952 #endif /* CONFIG_CMD_BOOTZ */