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common/cmd_bootm.c: fix subcommand processing in OS specific do_bootm_xxx() functions
[people/ms/u-boot.git] / common / cmd_bootm.c
1 /*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8
9 /*
10 * Boot support
11 */
12 #include <common.h>
13 #include <watchdog.h>
14 #include <command.h>
15 #include <image.h>
16 #include <malloc.h>
17 #include <u-boot/zlib.h>
18 #include <bzlib.h>
19 #include <environment.h>
20 #include <lmb.h>
21 #include <linux/ctype.h>
22 #include <asm/byteorder.h>
23 #include <asm/io.h>
24 #include <linux/compiler.h>
25
26 #if defined(CONFIG_CMD_USB)
27 #include <usb.h>
28 #endif
29
30 #ifdef CONFIG_SYS_HUSH_PARSER
31 #include <hush.h>
32 #endif
33
34 #if defined(CONFIG_OF_LIBFDT)
35 #include <libfdt.h>
36 #include <fdt_support.h>
37 #endif
38
39 #ifdef CONFIG_LZMA
40 #include <lzma/LzmaTypes.h>
41 #include <lzma/LzmaDec.h>
42 #include <lzma/LzmaTools.h>
43 #endif /* CONFIG_LZMA */
44
45 #ifdef CONFIG_LZO
46 #include <linux/lzo.h>
47 #endif /* CONFIG_LZO */
48
49 DECLARE_GLOBAL_DATA_PTR;
50
51 #ifndef CONFIG_SYS_BOOTM_LEN
52 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
53 #endif
54
55 #ifdef CONFIG_BZIP2
56 extern void bz_internal_error(int);
57 #endif
58
59 #if defined(CONFIG_CMD_IMI)
60 static int image_info(unsigned long addr);
61 #endif
62
63 #if defined(CONFIG_CMD_IMLS)
64 #include <flash.h>
65 #include <mtd/cfi_flash.h>
66 extern flash_info_t flash_info[]; /* info for FLASH chips */
67 #endif
68
69 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
70 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
71 #endif
72
73 #include <linux/err.h>
74 #include <nand.h>
75
76 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
77 static void fixup_silent_linux(void);
78 #endif
79
80 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
81 char * const argv[], bootm_headers_t *images,
82 ulong *os_data, ulong *os_len);
83
84 /*
85 * Continue booting an OS image; caller already has:
86 * - copied image header to global variable `header'
87 * - checked header magic number, checksums (both header & image),
88 * - verified image architecture (PPC) and type (KERNEL or MULTI),
89 * - loaded (first part of) image to header load address,
90 * - disabled interrupts.
91 *
92 * @flag: Flags indicating what to do (BOOTM_STATE_...)
93 * @argc: Number of arguments. Note that the arguments are shifted down
94 * so that 0 is the first argument not processed by U-Boot, and
95 * argc is adjusted accordingly. This avoids confusion as to how
96 * many arguments are available for the OS.
97 * @images: Pointers to os/initrd/fdt
98 * @return 1 on error. On success the OS boots so this function does
99 * not return.
100 */
101 typedef int boot_os_fn(int flag, int argc, char * const argv[],
102 bootm_headers_t *images);
103
104 #ifdef CONFIG_BOOTM_LINUX
105 extern boot_os_fn do_bootm_linux;
106 #endif
107 #ifdef CONFIG_BOOTM_NETBSD
108 static boot_os_fn do_bootm_netbsd;
109 #endif
110 #if defined(CONFIG_LYNXKDI)
111 static boot_os_fn do_bootm_lynxkdi;
112 extern void lynxkdi_boot(image_header_t *);
113 #endif
114 #ifdef CONFIG_BOOTM_RTEMS
115 static boot_os_fn do_bootm_rtems;
116 #endif
117 #if defined(CONFIG_BOOTM_OSE)
118 static boot_os_fn do_bootm_ose;
119 #endif
120 #if defined(CONFIG_BOOTM_PLAN9)
121 static boot_os_fn do_bootm_plan9;
122 #endif
123 #if defined(CONFIG_CMD_ELF)
124 static boot_os_fn do_bootm_vxworks;
125 static boot_os_fn do_bootm_qnxelf;
126 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
127 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
128 #endif
129 #if defined(CONFIG_INTEGRITY)
130 static boot_os_fn do_bootm_integrity;
131 #endif
132
133 static boot_os_fn *boot_os[] = {
134 #ifdef CONFIG_BOOTM_LINUX
135 [IH_OS_LINUX] = do_bootm_linux,
136 #endif
137 #ifdef CONFIG_BOOTM_NETBSD
138 [IH_OS_NETBSD] = do_bootm_netbsd,
139 #endif
140 #ifdef CONFIG_LYNXKDI
141 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
142 #endif
143 #ifdef CONFIG_BOOTM_RTEMS
144 [IH_OS_RTEMS] = do_bootm_rtems,
145 #endif
146 #if defined(CONFIG_BOOTM_OSE)
147 [IH_OS_OSE] = do_bootm_ose,
148 #endif
149 #if defined(CONFIG_BOOTM_PLAN9)
150 [IH_OS_PLAN9] = do_bootm_plan9,
151 #endif
152 #if defined(CONFIG_CMD_ELF)
153 [IH_OS_VXWORKS] = do_bootm_vxworks,
154 [IH_OS_QNX] = do_bootm_qnxelf,
155 #endif
156 #ifdef CONFIG_INTEGRITY
157 [IH_OS_INTEGRITY] = do_bootm_integrity,
158 #endif
159 };
160
161 bootm_headers_t images; /* pointers to os/initrd/fdt images */
162
163 /* Allow for arch specific config before we boot */
164 static void __arch_preboot_os(void)
165 {
166 /* please define platform specific arch_preboot_os() */
167 }
168 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
169
170 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
171
172 #ifdef CONFIG_LMB
173 static void boot_start_lmb(bootm_headers_t *images)
174 {
175 ulong mem_start;
176 phys_size_t mem_size;
177
178 lmb_init(&images->lmb);
179
180 mem_start = getenv_bootm_low();
181 mem_size = getenv_bootm_size();
182
183 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
184
185 arch_lmb_reserve(&images->lmb);
186 board_lmb_reserve(&images->lmb);
187 }
188 #else
189 #define lmb_reserve(lmb, base, size)
190 static inline void boot_start_lmb(bootm_headers_t *images) { }
191 #endif
192
193 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
194 {
195 memset((void *)&images, 0, sizeof(images));
196 images.verify = getenv_yesno("verify");
197
198 boot_start_lmb(&images);
199
200 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
201 images.state = BOOTM_STATE_START;
202
203 return 0;
204 }
205
206 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
207 char * const argv[])
208 {
209 const void *os_hdr;
210
211 /* get kernel image header, start address and length */
212 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
213 &images, &images.os.image_start, &images.os.image_len);
214 if (images.os.image_len == 0) {
215 puts("ERROR: can't get kernel image!\n");
216 return 1;
217 }
218
219 /* get image parameters */
220 switch (genimg_get_format(os_hdr)) {
221 case IMAGE_FORMAT_LEGACY:
222 images.os.type = image_get_type(os_hdr);
223 images.os.comp = image_get_comp(os_hdr);
224 images.os.os = image_get_os(os_hdr);
225
226 images.os.end = image_get_image_end(os_hdr);
227 images.os.load = image_get_load(os_hdr);
228 break;
229 #if defined(CONFIG_FIT)
230 case IMAGE_FORMAT_FIT:
231 if (fit_image_get_type(images.fit_hdr_os,
232 images.fit_noffset_os, &images.os.type)) {
233 puts("Can't get image type!\n");
234 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
235 return 1;
236 }
237
238 if (fit_image_get_comp(images.fit_hdr_os,
239 images.fit_noffset_os, &images.os.comp)) {
240 puts("Can't get image compression!\n");
241 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
242 return 1;
243 }
244
245 if (fit_image_get_os(images.fit_hdr_os,
246 images.fit_noffset_os, &images.os.os)) {
247 puts("Can't get image OS!\n");
248 bootstage_error(BOOTSTAGE_ID_FIT_OS);
249 return 1;
250 }
251
252 images.os.end = fit_get_end(images.fit_hdr_os);
253
254 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
255 &images.os.load)) {
256 puts("Can't get image load address!\n");
257 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
258 return 1;
259 }
260 break;
261 #endif
262 default:
263 puts("ERROR: unknown image format type!\n");
264 return 1;
265 }
266
267 /* find kernel entry point */
268 if (images.legacy_hdr_valid) {
269 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
270 #if defined(CONFIG_FIT)
271 } else if (images.fit_uname_os) {
272 int ret;
273
274 ret = fit_image_get_entry(images.fit_hdr_os,
275 images.fit_noffset_os, &images.ep);
276 if (ret) {
277 puts("Can't get entry point property!\n");
278 return 1;
279 }
280 #endif
281 } else {
282 puts("Could not find kernel entry point!\n");
283 return 1;
284 }
285
286 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
287 images.os.load = images.os.image_start;
288 images.ep += images.os.load;
289 }
290
291 images.os.start = (ulong)os_hdr;
292
293 return 0;
294 }
295
296 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
297 {
298 int ret;
299
300 /* find ramdisk */
301 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
302 &images.rd_start, &images.rd_end);
303 if (ret) {
304 puts("Ramdisk image is corrupt or invalid\n");
305 return 1;
306 }
307
308 return 0;
309 }
310
311 #if defined(CONFIG_OF_LIBFDT)
312 static int bootm_find_fdt(int flag, int argc, char * const argv[])
313 {
314 int ret;
315
316 /* find flattened device tree */
317 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
318 &images.ft_addr, &images.ft_len);
319 if (ret) {
320 puts("Could not find a valid device tree\n");
321 return 1;
322 }
323
324 set_working_fdt_addr(images.ft_addr);
325
326 return 0;
327 }
328 #endif
329
330 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
331 char * const argv[])
332 {
333 if (((images.os.type == IH_TYPE_KERNEL) ||
334 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
335 (images.os.type == IH_TYPE_MULTI)) &&
336 (images.os.os == IH_OS_LINUX)) {
337 if (bootm_find_ramdisk(flag, argc, argv))
338 return 1;
339
340 #if defined(CONFIG_OF_LIBFDT)
341 if (bootm_find_fdt(flag, argc, argv))
342 return 1;
343 #endif
344 }
345
346 return 0;
347 }
348
349 #define BOOTM_ERR_RESET -1
350 #define BOOTM_ERR_OVERLAP -2
351 #define BOOTM_ERR_UNIMPLEMENTED -3
352 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
353 int boot_progress)
354 {
355 image_info_t os = images->os;
356 uint8_t comp = os.comp;
357 ulong load = os.load;
358 ulong blob_start = os.start;
359 ulong blob_end = os.end;
360 ulong image_start = os.image_start;
361 ulong image_len = os.image_len;
362 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
363 int no_overlap = 0;
364 void *load_buf, *image_buf;
365 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
366 int ret;
367 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
368
369 const char *type_name = genimg_get_type_name(os.type);
370
371 load_buf = map_sysmem(load, unc_len);
372 image_buf = map_sysmem(image_start, image_len);
373 switch (comp) {
374 case IH_COMP_NONE:
375 if (load == blob_start || load == image_start) {
376 printf(" XIP %s ... ", type_name);
377 no_overlap = 1;
378 } else {
379 printf(" Loading %s ... ", type_name);
380 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
381 }
382 *load_end = load + image_len;
383 break;
384 #ifdef CONFIG_GZIP
385 case IH_COMP_GZIP:
386 printf(" Uncompressing %s ... ", type_name);
387 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
388 puts("GUNZIP: uncompress, out-of-mem or overwrite "
389 "error - must RESET board to recover\n");
390 if (boot_progress)
391 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
392 return BOOTM_ERR_RESET;
393 }
394
395 *load_end = load + image_len;
396 break;
397 #endif /* CONFIG_GZIP */
398 #ifdef CONFIG_BZIP2
399 case IH_COMP_BZIP2:
400 printf(" Uncompressing %s ... ", type_name);
401 /*
402 * If we've got less than 4 MB of malloc() space,
403 * use slower decompression algorithm which requires
404 * at most 2300 KB of memory.
405 */
406 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
407 image_buf, image_len,
408 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
409 if (i != BZ_OK) {
410 printf("BUNZIP2: uncompress or overwrite error %d "
411 "- must RESET board to recover\n", i);
412 if (boot_progress)
413 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
414 return BOOTM_ERR_RESET;
415 }
416
417 *load_end = load + unc_len;
418 break;
419 #endif /* CONFIG_BZIP2 */
420 #ifdef CONFIG_LZMA
421 case IH_COMP_LZMA: {
422 SizeT lzma_len = unc_len;
423 printf(" Uncompressing %s ... ", type_name);
424
425 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
426 image_buf, image_len);
427 unc_len = lzma_len;
428 if (ret != SZ_OK) {
429 printf("LZMA: uncompress or overwrite error %d "
430 "- must RESET board to recover\n", ret);
431 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
432 return BOOTM_ERR_RESET;
433 }
434 *load_end = load + unc_len;
435 break;
436 }
437 #endif /* CONFIG_LZMA */
438 #ifdef CONFIG_LZO
439 case IH_COMP_LZO: {
440 size_t size;
441
442 printf(" Uncompressing %s ... ", type_name);
443
444 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
445 if (ret != LZO_E_OK) {
446 printf("LZO: uncompress or overwrite error %d "
447 "- must RESET board to recover\n", ret);
448 if (boot_progress)
449 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
450 return BOOTM_ERR_RESET;
451 }
452
453 *load_end = load + size;
454 break;
455 }
456 #endif /* CONFIG_LZO */
457 default:
458 printf("Unimplemented compression type %d\n", comp);
459 return BOOTM_ERR_UNIMPLEMENTED;
460 }
461
462 flush_cache(load, (*load_end - load) * sizeof(ulong));
463
464 puts("OK\n");
465 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
466 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
467
468 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
469 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
470 blob_start, blob_end);
471 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
472 *load_end);
473
474 /* Check what type of image this is. */
475 if (images->legacy_hdr_valid) {
476 if (image_get_type(&images->legacy_hdr_os_copy)
477 == IH_TYPE_MULTI)
478 puts("WARNING: legacy format multi component image overwritten\n");
479 return BOOTM_ERR_OVERLAP;
480 } else {
481 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
482 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
483 return BOOTM_ERR_RESET;
484 }
485 }
486
487 return 0;
488 }
489
490 static int bootm_start_standalone(int argc, char * const argv[])
491 {
492 char *s;
493 int (*appl)(int, char * const []);
494
495 /* Don't start if "autostart" is set to "no" */
496 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
497 setenv_hex("filesize", images.os.image_len);
498 return 0;
499 }
500 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
501 (*appl)(argc, argv);
502 return 0;
503 }
504
505 /* we overload the cmd field with our state machine info instead of a
506 * function pointer */
507 static cmd_tbl_t cmd_bootm_sub[] = {
508 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
509 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
510 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
511 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
512 #endif
513 #ifdef CONFIG_OF_LIBFDT
514 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
515 #endif
516 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
517 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
518 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
519 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
520 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
521 };
522
523 static int boot_selected_os(int argc, char * const argv[], int state,
524 bootm_headers_t *images, boot_os_fn *boot_fn)
525 {
526 if (images->os.type == IH_TYPE_STANDALONE) {
527 /* This may return when 'autostart' is 'no' */
528 bootm_start_standalone(argc, argv);
529 return 0;
530 }
531 arch_preboot_os();
532 boot_fn(state, argc, argv, images);
533 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
534 return 0;
535 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
536 #ifdef DEBUG
537 puts("\n## Control returned to monitor - resetting...\n");
538 #endif
539 return BOOTM_ERR_RESET;
540 }
541
542 /**
543 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
544 *
545 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
546 * enabled)
547 */
548 static ulong bootm_disable_interrupts(void)
549 {
550 ulong iflag;
551
552 /*
553 * We have reached the point of no return: we are going to
554 * overwrite all exception vector code, so we cannot easily
555 * recover from any failures any more...
556 */
557 iflag = disable_interrupts();
558 #ifdef CONFIG_NETCONSOLE
559 /* Stop the ethernet stack if NetConsole could have left it up */
560 eth_halt();
561 eth_unregister(eth_get_dev());
562 #endif
563
564 #if defined(CONFIG_CMD_USB)
565 /*
566 * turn off USB to prevent the host controller from writing to the
567 * SDRAM while Linux is booting. This could happen (at least for OHCI
568 * controller), because the HCCA (Host Controller Communication Area)
569 * lies within the SDRAM and the host controller writes continously to
570 * this area (as busmaster!). The HccaFrameNumber is for example
571 * updated every 1 ms within the HCCA structure in SDRAM! For more
572 * details see the OpenHCI specification.
573 */
574 usb_stop();
575 #endif
576 return iflag;
577 }
578
579 /**
580 * Execute selected states of the bootm command.
581 *
582 * Note the arguments to this state must be the first argument, Any 'bootm'
583 * or sub-command arguments must have already been taken.
584 *
585 * Note that if states contains more than one flag it MUST contain
586 * BOOTM_STATE_START, since this handles and consumes the command line args.
587 *
588 * Also note that aside from boot_os_fn functions and bootm_load_os no other
589 * functions we store the return value of in 'ret' may use a negative return
590 * value, without special handling.
591 *
592 * @param cmdtp Pointer to bootm command table entry
593 * @param flag Command flags (CMD_FLAG_...)
594 * @param argc Number of subcommand arguments (0 = no arguments)
595 * @param argv Arguments
596 * @param states Mask containing states to run (BOOTM_STATE_...)
597 * @param images Image header information
598 * @param boot_progress 1 to show boot progress, 0 to not do this
599 * @return 0 if ok, something else on error. Some errors will cause this
600 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
601 * then the intent is to boot an OS, so this function will not return
602 * unless the image type is standalone.
603 */
604 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
605 char * const argv[], int states, bootm_headers_t *images,
606 int boot_progress)
607 {
608 boot_os_fn *boot_fn;
609 ulong iflag = 0;
610 int ret = 0, need_boot_fn;
611
612 images->state |= states;
613
614 /*
615 * Work through the states and see how far we get. We stop on
616 * any error.
617 */
618 if (states & BOOTM_STATE_START)
619 ret = bootm_start(cmdtp, flag, argc, argv);
620
621 if (!ret && (states & BOOTM_STATE_FINDOS))
622 ret = bootm_find_os(cmdtp, flag, argc, argv);
623
624 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
625 ret = bootm_find_other(cmdtp, flag, argc, argv);
626 argc = 0; /* consume the args */
627 }
628
629 /* Load the OS */
630 if (!ret && (states & BOOTM_STATE_LOADOS)) {
631 ulong load_end;
632
633 iflag = bootm_disable_interrupts();
634 ret = bootm_load_os(images, &load_end, 0);
635 if (ret == 0)
636 lmb_reserve(&images->lmb, images->os.load,
637 (load_end - images->os.load));
638 else if (ret && ret != BOOTM_ERR_OVERLAP)
639 goto err;
640 else if (ret == BOOTM_ERR_OVERLAP)
641 ret = 0;
642 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
643 if (images->os.os == IH_OS_LINUX)
644 fixup_silent_linux();
645 #endif
646 }
647
648 /* Relocate the ramdisk */
649 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
650 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
651 ulong rd_len = images->rd_end - images->rd_start;
652
653 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
654 rd_len, &images->initrd_start, &images->initrd_end);
655 if (!ret) {
656 setenv_hex("initrd_start", images->initrd_start);
657 setenv_hex("initrd_end", images->initrd_end);
658 }
659 }
660 #endif
661 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
662 if (!ret && (states & BOOTM_STATE_FDT)) {
663 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
664 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
665 &images->ft_len);
666 }
667 #endif
668
669 /* From now on, we need the OS boot function */
670 if (ret)
671 return ret;
672 boot_fn = boot_os[images->os.os];
673 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
674 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
675 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
676 if (boot_fn == NULL && need_boot_fn) {
677 if (iflag)
678 enable_interrupts();
679 printf("ERROR: booting os '%s' (%d) is not supported\n",
680 genimg_get_os_name(images->os.os), images->os.os);
681 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
682 return 1;
683 }
684
685 /* Call various other states that are not generally used */
686 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
687 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
688 if (!ret && (states & BOOTM_STATE_OS_BD_T))
689 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
690 if (!ret && (states & BOOTM_STATE_OS_PREP))
691 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
692
693 #ifdef CONFIG_TRACE
694 /* Pretend to run the OS, then run a user command */
695 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
696 char *cmd_list = getenv("fakegocmd");
697
698 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
699 images, boot_fn);
700 if (!ret && cmd_list)
701 ret = run_command_list(cmd_list, -1, flag);
702 }
703 #endif
704
705 /* Check for unsupported subcommand. */
706 if (ret) {
707 puts("subcommand not supported\n");
708 return ret;
709 }
710
711 /* Now run the OS! We hope this doesn't return */
712 if (!ret && (states & BOOTM_STATE_OS_GO))
713 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
714 images, boot_fn);
715
716 /* Deal with any fallout */
717 err:
718 if (iflag)
719 enable_interrupts();
720
721 if (ret == BOOTM_ERR_UNIMPLEMENTED)
722 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
723 else if (ret == BOOTM_ERR_RESET)
724 do_reset(cmdtp, flag, argc, argv);
725
726 return ret;
727 }
728
729 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
730 char * const argv[])
731 {
732 int ret = 0;
733 long state;
734 cmd_tbl_t *c;
735
736 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
737 argc--; argv++;
738
739 if (c) {
740 state = (long)c->cmd;
741 if (state == BOOTM_STATE_START)
742 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
743 } else {
744 /* Unrecognized command */
745 return CMD_RET_USAGE;
746 }
747
748 if (state != BOOTM_STATE_START && images.state >= state) {
749 printf("Trying to execute a command out of order\n");
750 return CMD_RET_USAGE;
751 }
752
753 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
754
755 return ret;
756 }
757
758 /*******************************************************************/
759 /* bootm - boot application image from image in memory */
760 /*******************************************************************/
761
762 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
763 {
764 #ifdef CONFIG_NEEDS_MANUAL_RELOC
765 static int relocated = 0;
766
767 if (!relocated) {
768 int i;
769
770 /* relocate boot function table */
771 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
772 if (boot_os[i] != NULL)
773 boot_os[i] += gd->reloc_off;
774
775 /* relocate names of sub-command table */
776 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
777 cmd_bootm_sub[i].name += gd->reloc_off;
778
779 relocated = 1;
780 }
781 #endif
782
783 /* determine if we have a sub command */
784 argc--; argv++;
785 if (argc > 0) {
786 char *endp;
787
788 simple_strtoul(argv[0], &endp, 16);
789 /* endp pointing to NULL means that argv[0] was just a
790 * valid number, pass it along to the normal bootm processing
791 *
792 * If endp is ':' or '#' assume a FIT identifier so pass
793 * along for normal processing.
794 *
795 * Right now we assume the first arg should never be '-'
796 */
797 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
798 return do_bootm_subcommand(cmdtp, flag, argc, argv);
799 }
800
801 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
802 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
803 BOOTM_STATE_LOADOS |
804 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
805 BOOTM_STATE_OS_CMDLINE |
806 #endif
807 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
808 BOOTM_STATE_OS_GO, &images, 1);
809 }
810
811 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
812 {
813 const char *ep = getenv("autostart");
814
815 if (ep && !strcmp(ep, "yes")) {
816 char *local_args[2];
817 local_args[0] = (char *)cmd;
818 local_args[1] = NULL;
819 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
820 return do_bootm(cmdtp, 0, 1, local_args);
821 }
822
823 return 0;
824 }
825
826 /**
827 * image_get_kernel - verify legacy format kernel image
828 * @img_addr: in RAM address of the legacy format image to be verified
829 * @verify: data CRC verification flag
830 *
831 * image_get_kernel() verifies legacy image integrity and returns pointer to
832 * legacy image header if image verification was completed successfully.
833 *
834 * returns:
835 * pointer to a legacy image header if valid image was found
836 * otherwise return NULL
837 */
838 static image_header_t *image_get_kernel(ulong img_addr, int verify)
839 {
840 image_header_t *hdr = (image_header_t *)img_addr;
841
842 if (!image_check_magic(hdr)) {
843 puts("Bad Magic Number\n");
844 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
845 return NULL;
846 }
847 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
848
849 if (!image_check_hcrc(hdr)) {
850 puts("Bad Header Checksum\n");
851 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
852 return NULL;
853 }
854
855 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
856 image_print_contents(hdr);
857
858 if (verify) {
859 puts(" Verifying Checksum ... ");
860 if (!image_check_dcrc(hdr)) {
861 printf("Bad Data CRC\n");
862 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
863 return NULL;
864 }
865 puts("OK\n");
866 }
867 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
868
869 if (!image_check_target_arch(hdr)) {
870 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
871 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
872 return NULL;
873 }
874 return hdr;
875 }
876
877 /**
878 * boot_get_kernel - find kernel image
879 * @os_data: pointer to a ulong variable, will hold os data start address
880 * @os_len: pointer to a ulong variable, will hold os data length
881 *
882 * boot_get_kernel() tries to find a kernel image, verifies its integrity
883 * and locates kernel data.
884 *
885 * returns:
886 * pointer to image header if valid image was found, plus kernel start
887 * address and length, otherwise NULL
888 */
889 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
890 char * const argv[], bootm_headers_t *images, ulong *os_data,
891 ulong *os_len)
892 {
893 image_header_t *hdr;
894 ulong img_addr;
895 const void *buf;
896 #if defined(CONFIG_FIT)
897 const char *fit_uname_config = NULL;
898 const char *fit_uname_kernel = NULL;
899 int os_noffset;
900 #endif
901
902 /* find out kernel image address */
903 if (argc < 1) {
904 img_addr = load_addr;
905 debug("* kernel: default image load address = 0x%08lx\n",
906 load_addr);
907 #if defined(CONFIG_FIT)
908 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
909 &fit_uname_config)) {
910 debug("* kernel: config '%s' from image at 0x%08lx\n",
911 fit_uname_config, img_addr);
912 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
913 &fit_uname_kernel)) {
914 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
915 fit_uname_kernel, img_addr);
916 #endif
917 } else {
918 img_addr = simple_strtoul(argv[0], NULL, 16);
919 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
920 }
921
922 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
923
924 /* copy from dataflash if needed */
925 img_addr = genimg_get_image(img_addr);
926
927 /* check image type, for FIT images get FIT kernel node */
928 *os_data = *os_len = 0;
929 buf = map_sysmem(img_addr, 0);
930 switch (genimg_get_format(buf)) {
931 case IMAGE_FORMAT_LEGACY:
932 printf("## Booting kernel from Legacy Image at %08lx ...\n",
933 img_addr);
934 hdr = image_get_kernel(img_addr, images->verify);
935 if (!hdr)
936 return NULL;
937 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
938
939 /* get os_data and os_len */
940 switch (image_get_type(hdr)) {
941 case IH_TYPE_KERNEL:
942 case IH_TYPE_KERNEL_NOLOAD:
943 *os_data = image_get_data(hdr);
944 *os_len = image_get_data_size(hdr);
945 break;
946 case IH_TYPE_MULTI:
947 image_multi_getimg(hdr, 0, os_data, os_len);
948 break;
949 case IH_TYPE_STANDALONE:
950 *os_data = image_get_data(hdr);
951 *os_len = image_get_data_size(hdr);
952 break;
953 default:
954 printf("Wrong Image Type for %s command\n",
955 cmdtp->name);
956 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
957 return NULL;
958 }
959
960 /*
961 * copy image header to allow for image overwrites during
962 * kernel decompression.
963 */
964 memmove(&images->legacy_hdr_os_copy, hdr,
965 sizeof(image_header_t));
966
967 /* save pointer to image header */
968 images->legacy_hdr_os = hdr;
969
970 images->legacy_hdr_valid = 1;
971 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
972 break;
973 #if defined(CONFIG_FIT)
974 case IMAGE_FORMAT_FIT:
975 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
976 img_addr,
977 &fit_uname_kernel, &fit_uname_config,
978 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
979 BOOTSTAGE_ID_FIT_KERNEL_START,
980 FIT_LOAD_IGNORED, os_data, os_len);
981 if (os_noffset < 0)
982 return NULL;
983
984 images->fit_hdr_os = map_sysmem(img_addr, 0);
985 images->fit_uname_os = fit_uname_kernel;
986 images->fit_uname_cfg = fit_uname_config;
987 images->fit_noffset_os = os_noffset;
988 break;
989 #endif
990 default:
991 printf("Wrong Image Format for %s command\n", cmdtp->name);
992 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
993 return NULL;
994 }
995
996 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
997 *os_data, *os_len, *os_len);
998
999 return buf;
1000 }
1001
1002 #ifdef CONFIG_SYS_LONGHELP
1003 static char bootm_help_text[] =
1004 "[addr [arg ...]]\n - boot application image stored in memory\n"
1005 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1006 "\t'arg' can be the address of an initrd image\n"
1007 #if defined(CONFIG_OF_LIBFDT)
1008 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1009 "\ta third argument is required which is the address of the\n"
1010 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1011 "\tuse a '-' for the second argument. If you do not pass a third\n"
1012 "\ta bd_info struct will be passed instead\n"
1013 #endif
1014 #if defined(CONFIG_FIT)
1015 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1016 "\tmust be extened to include component or configuration unit name:\n"
1017 "\taddr:<subimg_uname> - direct component image specification\n"
1018 "\taddr#<conf_uname> - configuration specification\n"
1019 "\tUse iminfo command to get the list of existing component\n"
1020 "\timages and configurations.\n"
1021 #endif
1022 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1023 "must be\n"
1024 "issued in the order below (it's ok to not issue all sub-commands):\n"
1025 "\tstart [addr [arg ...]]\n"
1026 "\tloados - load OS image\n"
1027 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1028 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1029 #endif
1030 #if defined(CONFIG_OF_LIBFDT)
1031 "\tfdt - relocate flat device tree\n"
1032 #endif
1033 "\tcmdline - OS specific command line processing/setup\n"
1034 "\tbdt - OS specific bd_t processing\n"
1035 "\tprep - OS specific prep before relocation or go\n"
1036 "\tgo - start OS";
1037 #endif
1038
1039 U_BOOT_CMD(
1040 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1041 "boot application image from memory", bootm_help_text
1042 );
1043
1044 /*******************************************************************/
1045 /* bootd - boot default image */
1046 /*******************************************************************/
1047 #if defined(CONFIG_CMD_BOOTD)
1048 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1049 {
1050 int rcode = 0;
1051
1052 if (run_command(getenv("bootcmd"), flag) < 0)
1053 rcode = 1;
1054 return rcode;
1055 }
1056
1057 U_BOOT_CMD(
1058 boot, 1, 1, do_bootd,
1059 "boot default, i.e., run 'bootcmd'",
1060 ""
1061 );
1062
1063 /* keep old command name "bootd" for backward compatibility */
1064 U_BOOT_CMD(
1065 bootd, 1, 1, do_bootd,
1066 "boot default, i.e., run 'bootcmd'",
1067 ""
1068 );
1069
1070 #endif
1071
1072
1073 /*******************************************************************/
1074 /* iminfo - print header info for a requested image */
1075 /*******************************************************************/
1076 #if defined(CONFIG_CMD_IMI)
1077 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1078 {
1079 int arg;
1080 ulong addr;
1081 int rcode = 0;
1082
1083 if (argc < 2) {
1084 return image_info(load_addr);
1085 }
1086
1087 for (arg = 1; arg < argc; ++arg) {
1088 addr = simple_strtoul(argv[arg], NULL, 16);
1089 if (image_info(addr) != 0)
1090 rcode = 1;
1091 }
1092 return rcode;
1093 }
1094
1095 static int image_info(ulong addr)
1096 {
1097 void *hdr = (void *)addr;
1098
1099 printf("\n## Checking Image at %08lx ...\n", addr);
1100
1101 switch (genimg_get_format(hdr)) {
1102 case IMAGE_FORMAT_LEGACY:
1103 puts(" Legacy image found\n");
1104 if (!image_check_magic(hdr)) {
1105 puts(" Bad Magic Number\n");
1106 return 1;
1107 }
1108
1109 if (!image_check_hcrc(hdr)) {
1110 puts(" Bad Header Checksum\n");
1111 return 1;
1112 }
1113
1114 image_print_contents(hdr);
1115
1116 puts(" Verifying Checksum ... ");
1117 if (!image_check_dcrc(hdr)) {
1118 puts(" Bad Data CRC\n");
1119 return 1;
1120 }
1121 puts("OK\n");
1122 return 0;
1123 #if defined(CONFIG_FIT)
1124 case IMAGE_FORMAT_FIT:
1125 puts(" FIT image found\n");
1126
1127 if (!fit_check_format(hdr)) {
1128 puts("Bad FIT image format!\n");
1129 return 1;
1130 }
1131
1132 fit_print_contents(hdr);
1133
1134 if (!fit_all_image_verify(hdr)) {
1135 puts("Bad hash in FIT image!\n");
1136 return 1;
1137 }
1138
1139 return 0;
1140 #endif
1141 default:
1142 puts("Unknown image format!\n");
1143 break;
1144 }
1145
1146 return 1;
1147 }
1148
1149 U_BOOT_CMD(
1150 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1151 "print header information for application image",
1152 "addr [addr ...]\n"
1153 " - print header information for application image starting at\n"
1154 " address 'addr' in memory; this includes verification of the\n"
1155 " image contents (magic number, header and payload checksums)"
1156 );
1157 #endif
1158
1159
1160 /*******************************************************************/
1161 /* imls - list all images found in flash */
1162 /*******************************************************************/
1163 #if defined(CONFIG_CMD_IMLS)
1164 static int do_imls_nor(void)
1165 {
1166 flash_info_t *info;
1167 int i, j;
1168 void *hdr;
1169
1170 for (i = 0, info = &flash_info[0];
1171 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1172
1173 if (info->flash_id == FLASH_UNKNOWN)
1174 goto next_bank;
1175 for (j = 0; j < info->sector_count; ++j) {
1176
1177 hdr = (void *)info->start[j];
1178 if (!hdr)
1179 goto next_sector;
1180
1181 switch (genimg_get_format(hdr)) {
1182 case IMAGE_FORMAT_LEGACY:
1183 if (!image_check_hcrc(hdr))
1184 goto next_sector;
1185
1186 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1187 image_print_contents(hdr);
1188
1189 puts(" Verifying Checksum ... ");
1190 if (!image_check_dcrc(hdr)) {
1191 puts("Bad Data CRC\n");
1192 } else {
1193 puts("OK\n");
1194 }
1195 break;
1196 #if defined(CONFIG_FIT)
1197 case IMAGE_FORMAT_FIT:
1198 if (!fit_check_format(hdr))
1199 goto next_sector;
1200
1201 printf("FIT Image at %08lX:\n", (ulong)hdr);
1202 fit_print_contents(hdr);
1203 break;
1204 #endif
1205 default:
1206 goto next_sector;
1207 }
1208
1209 next_sector: ;
1210 }
1211 next_bank: ;
1212 }
1213 return 0;
1214 }
1215 #endif
1216
1217 #if defined(CONFIG_CMD_IMLS_NAND)
1218 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1219 size_t len)
1220 {
1221 void *imgdata;
1222 int ret;
1223
1224 imgdata = malloc(len);
1225 if (!imgdata) {
1226 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1227 nand_dev, off);
1228 printf(" Low memory(cannot allocate memory for image)\n");
1229 return -ENOMEM;
1230 }
1231
1232 ret = nand_read_skip_bad(nand, off, &len,
1233 imgdata);
1234 if (ret < 0 && ret != -EUCLEAN) {
1235 free(imgdata);
1236 return ret;
1237 }
1238
1239 if (!image_check_hcrc(imgdata)) {
1240 free(imgdata);
1241 return 0;
1242 }
1243
1244 printf("Legacy Image at NAND device %d offset %08llX:\n",
1245 nand_dev, off);
1246 image_print_contents(imgdata);
1247
1248 puts(" Verifying Checksum ... ");
1249 if (!image_check_dcrc(imgdata))
1250 puts("Bad Data CRC\n");
1251 else
1252 puts("OK\n");
1253
1254 free(imgdata);
1255
1256 return 0;
1257 }
1258
1259 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1260 size_t len)
1261 {
1262 void *imgdata;
1263 int ret;
1264
1265 imgdata = malloc(len);
1266 if (!imgdata) {
1267 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1268 nand_dev, off);
1269 printf(" Low memory(cannot allocate memory for image)\n");
1270 return -ENOMEM;
1271 }
1272
1273 ret = nand_read_skip_bad(nand, off, &len,
1274 imgdata);
1275 if (ret < 0 && ret != -EUCLEAN) {
1276 free(imgdata);
1277 return ret;
1278 }
1279
1280 if (!fit_check_format(imgdata)) {
1281 free(imgdata);
1282 return 0;
1283 }
1284
1285 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1286
1287 fit_print_contents(imgdata);
1288 free(imgdata);
1289
1290 return 0;
1291 }
1292
1293 static int do_imls_nand(void)
1294 {
1295 nand_info_t *nand;
1296 int nand_dev = nand_curr_device;
1297 size_t len;
1298 loff_t off;
1299 u32 buffer[16];
1300
1301 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1302 puts("\nNo NAND devices available\n");
1303 return -ENODEV;
1304 }
1305
1306 printf("\n");
1307
1308 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1309 nand = &nand_info[nand_dev];
1310 if (!nand->name || !nand->size)
1311 continue;
1312
1313 for (off = 0; off < nand->size; off += nand->erasesize) {
1314 const image_header_t *header;
1315 int ret;
1316
1317 if (nand_block_isbad(nand, off))
1318 continue;
1319
1320 len = sizeof(buffer);
1321
1322 ret = nand_read(nand, off, &len, (u8 *)buffer);
1323 if (ret < 0 && ret != -EUCLEAN) {
1324 printf("NAND read error %d at offset %08llX\n",
1325 ret, off);
1326 continue;
1327 }
1328
1329 switch (genimg_get_format(buffer)) {
1330 case IMAGE_FORMAT_LEGACY:
1331 header = (const image_header_t *)buffer;
1332
1333 len = image_get_image_size(header);
1334 nand_imls_legacyimage(nand, nand_dev, off, len);
1335 break;
1336 #if defined(CONFIG_FIT)
1337 case IMAGE_FORMAT_FIT:
1338 len = fit_get_size(buffer);
1339 nand_imls_fitimage(nand, nand_dev, off, len);
1340 break;
1341 #endif
1342 }
1343 }
1344 }
1345
1346 return 0;
1347 }
1348 #endif
1349
1350 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1351 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1352 {
1353 int ret_nor = 0, ret_nand = 0;
1354
1355 #if defined(CONFIG_CMD_IMLS)
1356 ret_nor = do_imls_nor();
1357 #endif
1358
1359 #if defined(CONFIG_CMD_IMLS_NAND)
1360 ret_nand = do_imls_nand();
1361 #endif
1362
1363 if (ret_nor)
1364 return ret_nor;
1365
1366 if (ret_nand)
1367 return ret_nand;
1368
1369 return (0);
1370 }
1371
1372 U_BOOT_CMD(
1373 imls, 1, 1, do_imls,
1374 "list all images found in flash",
1375 "\n"
1376 " - Prints information about all images found at sector/block\n"
1377 " boundaries in nor/nand flash."
1378 );
1379 #endif
1380
1381 /*******************************************************************/
1382 /* helper routines */
1383 /*******************************************************************/
1384 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1385
1386 #define CONSOLE_ARG "console="
1387 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1388
1389 static void fixup_silent_linux(void)
1390 {
1391 char *buf;
1392 const char *env_val;
1393 char *cmdline = getenv("bootargs");
1394 int want_silent;
1395
1396 /*
1397 * Only fix cmdline when requested. The environment variable can be:
1398 *
1399 * no - we never fixup
1400 * yes - we always fixup
1401 * unset - we rely on the console silent flag
1402 */
1403 want_silent = getenv_yesno("silent_linux");
1404 if (want_silent == 0)
1405 return;
1406 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
1407 return;
1408
1409 debug("before silent fix-up: %s\n", cmdline);
1410 if (cmdline && (cmdline[0] != '\0')) {
1411 char *start = strstr(cmdline, CONSOLE_ARG);
1412
1413 /* Allocate space for maximum possible new command line */
1414 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1415 if (!buf) {
1416 debug("%s: out of memory\n", __func__);
1417 return;
1418 }
1419
1420 if (start) {
1421 char *end = strchr(start, ' ');
1422 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1423
1424 strncpy(buf, cmdline, num_start_bytes);
1425 if (end)
1426 strcpy(buf + num_start_bytes, end);
1427 else
1428 buf[num_start_bytes] = '\0';
1429 } else {
1430 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1431 }
1432 env_val = buf;
1433 } else {
1434 buf = NULL;
1435 env_val = CONSOLE_ARG;
1436 }
1437
1438 setenv("bootargs", env_val);
1439 debug("after silent fix-up: %s\n", env_val);
1440 free(buf);
1441 }
1442 #endif /* CONFIG_SILENT_CONSOLE */
1443
1444 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1445 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1446 {
1447 int i;
1448
1449 for (i = 0; i < argc; i++) {
1450 if (i > 0)
1451 *dest++ = delim;
1452 strcpy(dest, argv[i]);
1453 dest += strlen(argv[i]);
1454 }
1455 }
1456 #endif
1457
1458 /*******************************************************************/
1459 /* OS booting routines */
1460 /*******************************************************************/
1461
1462 #ifdef CONFIG_BOOTM_NETBSD
1463 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1464 bootm_headers_t *images)
1465 {
1466 void (*loader)(bd_t *, image_header_t *, char *, char *);
1467 image_header_t *os_hdr, *hdr;
1468 ulong kernel_data, kernel_len;
1469 char *consdev;
1470 char *cmdline;
1471
1472 if (flag != BOOTM_STATE_OS_GO)
1473 return 0;
1474
1475 #if defined(CONFIG_FIT)
1476 if (!images->legacy_hdr_valid) {
1477 fit_unsupported_reset("NetBSD");
1478 return 1;
1479 }
1480 #endif
1481 hdr = images->legacy_hdr_os;
1482
1483 /*
1484 * Booting a (NetBSD) kernel image
1485 *
1486 * This process is pretty similar to a standalone application:
1487 * The (first part of an multi-) image must be a stage-2 loader,
1488 * which in turn is responsible for loading & invoking the actual
1489 * kernel. The only differences are the parameters being passed:
1490 * besides the board info strucure, the loader expects a command
1491 * line, the name of the console device, and (optionally) the
1492 * address of the original image header.
1493 */
1494 os_hdr = NULL;
1495 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1496 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1497 if (kernel_len)
1498 os_hdr = hdr;
1499 }
1500
1501 consdev = "";
1502 #if defined(CONFIG_8xx_CONS_SMC1)
1503 consdev = "smc1";
1504 #elif defined(CONFIG_8xx_CONS_SMC2)
1505 consdev = "smc2";
1506 #elif defined(CONFIG_8xx_CONS_SCC2)
1507 consdev = "scc2";
1508 #elif defined(CONFIG_8xx_CONS_SCC3)
1509 consdev = "scc3";
1510 #endif
1511
1512 if (argc > 0) {
1513 ulong len;
1514 int i;
1515
1516 for (i = 0, len = 0; i < argc; i += 1)
1517 len += strlen(argv[i]) + 1;
1518 cmdline = malloc(len);
1519 copy_args(cmdline, argc, argv, ' ');
1520 } else if ((cmdline = getenv("bootargs")) == NULL) {
1521 cmdline = "";
1522 }
1523
1524 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1525
1526 printf("## Transferring control to NetBSD stage-2 loader "
1527 "(at address %08lx) ...\n",
1528 (ulong)loader);
1529
1530 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1531
1532 /*
1533 * NetBSD Stage-2 Loader Parameters:
1534 * r3: ptr to board info data
1535 * r4: image address
1536 * r5: console device
1537 * r6: boot args string
1538 */
1539 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1540
1541 return 1;
1542 }
1543 #endif /* CONFIG_BOOTM_NETBSD*/
1544
1545 #ifdef CONFIG_LYNXKDI
1546 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1547 bootm_headers_t *images)
1548 {
1549 image_header_t *hdr = &images->legacy_hdr_os_copy;
1550
1551 if (flag != BOOTM_STATE_OS_GO)
1552 return 0;
1553
1554 #if defined(CONFIG_FIT)
1555 if (!images->legacy_hdr_valid) {
1556 fit_unsupported_reset("Lynx");
1557 return 1;
1558 }
1559 #endif
1560
1561 lynxkdi_boot((image_header_t *)hdr);
1562
1563 return 1;
1564 }
1565 #endif /* CONFIG_LYNXKDI */
1566
1567 #ifdef CONFIG_BOOTM_RTEMS
1568 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1569 bootm_headers_t *images)
1570 {
1571 void (*entry_point)(bd_t *);
1572
1573 if (flag != BOOTM_STATE_OS_GO)
1574 return 0;
1575
1576 #if defined(CONFIG_FIT)
1577 if (!images->legacy_hdr_valid) {
1578 fit_unsupported_reset("RTEMS");
1579 return 1;
1580 }
1581 #endif
1582
1583 entry_point = (void (*)(bd_t *))images->ep;
1584
1585 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1586 (ulong)entry_point);
1587
1588 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1589
1590 /*
1591 * RTEMS Parameters:
1592 * r3: ptr to board info data
1593 */
1594 (*entry_point)(gd->bd);
1595
1596 return 1;
1597 }
1598 #endif /* CONFIG_BOOTM_RTEMS */
1599
1600 #if defined(CONFIG_BOOTM_OSE)
1601 static int do_bootm_ose(int flag, int argc, char * const argv[],
1602 bootm_headers_t *images)
1603 {
1604 void (*entry_point)(void);
1605
1606 if (flag != BOOTM_STATE_OS_GO)
1607 return 0;
1608
1609 #if defined(CONFIG_FIT)
1610 if (!images->legacy_hdr_valid) {
1611 fit_unsupported_reset("OSE");
1612 return 1;
1613 }
1614 #endif
1615
1616 entry_point = (void (*)(void))images->ep;
1617
1618 printf("## Transferring control to OSE (at address %08lx) ...\n",
1619 (ulong)entry_point);
1620
1621 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1622
1623 /*
1624 * OSE Parameters:
1625 * None
1626 */
1627 (*entry_point)();
1628
1629 return 1;
1630 }
1631 #endif /* CONFIG_BOOTM_OSE */
1632
1633 #if defined(CONFIG_BOOTM_PLAN9)
1634 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1635 bootm_headers_t *images)
1636 {
1637 void (*entry_point)(void);
1638 char *s;
1639
1640 if (flag != BOOTM_STATE_OS_GO)
1641 return 0;
1642
1643 #if defined(CONFIG_FIT)
1644 if (!images->legacy_hdr_valid) {
1645 fit_unsupported_reset("Plan 9");
1646 return 1;
1647 }
1648 #endif
1649
1650 /* See README.plan9 */
1651 s = getenv("confaddr");
1652 if (s != NULL) {
1653 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1654
1655 if (argc > 0) {
1656 copy_args(confaddr, argc, argv, '\n');
1657 } else {
1658 s = getenv("bootargs");
1659 if (s != NULL)
1660 strcpy(confaddr, s);
1661 }
1662 }
1663
1664 entry_point = (void (*)(void))images->ep;
1665
1666 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1667 (ulong)entry_point);
1668
1669 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1670
1671 /*
1672 * Plan 9 Parameters:
1673 * None
1674 */
1675 (*entry_point)();
1676
1677 return 1;
1678 }
1679 #endif /* CONFIG_BOOTM_PLAN9 */
1680
1681 #if defined(CONFIG_CMD_ELF)
1682 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1683 bootm_headers_t *images)
1684 {
1685 char str[80];
1686
1687 if (flag != BOOTM_STATE_OS_GO)
1688 return 0;
1689
1690 #if defined(CONFIG_FIT)
1691 if (!images->legacy_hdr_valid) {
1692 fit_unsupported_reset("VxWorks");
1693 return 1;
1694 }
1695 #endif
1696
1697 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1698 setenv("loadaddr", str);
1699 do_bootvx(NULL, 0, 0, NULL);
1700
1701 return 1;
1702 }
1703
1704 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1705 bootm_headers_t *images)
1706 {
1707 char *local_args[2];
1708 char str[16];
1709
1710 if (flag != BOOTM_STATE_OS_GO)
1711 return 0;
1712
1713 #if defined(CONFIG_FIT)
1714 if (!images->legacy_hdr_valid) {
1715 fit_unsupported_reset("QNX");
1716 return 1;
1717 }
1718 #endif
1719
1720 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1721 local_args[0] = argv[0];
1722 local_args[1] = str; /* and provide it via the arguments */
1723 do_bootelf(NULL, 0, 2, local_args);
1724
1725 return 1;
1726 }
1727 #endif
1728
1729 #ifdef CONFIG_INTEGRITY
1730 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1731 bootm_headers_t *images)
1732 {
1733 void (*entry_point)(void);
1734
1735 if (flag != BOOTM_STATE_OS_GO)
1736 return 0;
1737
1738 #if defined(CONFIG_FIT)
1739 if (!images->legacy_hdr_valid) {
1740 fit_unsupported_reset("INTEGRITY");
1741 return 1;
1742 }
1743 #endif
1744
1745 entry_point = (void (*)(void))images->ep;
1746
1747 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1748 (ulong)entry_point);
1749
1750 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1751
1752 /*
1753 * INTEGRITY Parameters:
1754 * None
1755 */
1756 (*entry_point)();
1757
1758 return 1;
1759 }
1760 #endif
1761
1762 #ifdef CONFIG_CMD_BOOTZ
1763
1764 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1765 {
1766 /* Please define bootz_setup() for your platform */
1767
1768 puts("Your platform's zImage format isn't supported yet!\n");
1769 return -1;
1770 }
1771
1772 /*
1773 * zImage booting support
1774 */
1775 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1776 char * const argv[], bootm_headers_t *images)
1777 {
1778 int ret;
1779 ulong zi_start, zi_end;
1780
1781 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1782 images, 1);
1783
1784 /* Setup Linux kernel zImage entry point */
1785 if (!argc) {
1786 images->ep = load_addr;
1787 debug("* kernel: default image load address = 0x%08lx\n",
1788 load_addr);
1789 } else {
1790 images->ep = simple_strtoul(argv[0], NULL, 16);
1791 debug("* kernel: cmdline image address = 0x%08lx\n",
1792 images->ep);
1793 }
1794
1795 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1796 if (ret != 0)
1797 return 1;
1798
1799 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1800
1801 /*
1802 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1803 * have a header that provide this informaiton.
1804 */
1805 if (bootm_find_ramdisk(flag, argc, argv))
1806 return 1;
1807
1808 #if defined(CONFIG_OF_LIBFDT)
1809 if (bootm_find_fdt(flag, argc, argv))
1810 return 1;
1811 #endif
1812
1813 return 0;
1814 }
1815
1816 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1817 {
1818 int ret;
1819
1820 /* Consume 'bootz' */
1821 argc--; argv++;
1822
1823 if (bootz_start(cmdtp, flag, argc, argv, &images))
1824 return 1;
1825
1826 /*
1827 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1828 * disable interrupts ourselves
1829 */
1830 bootm_disable_interrupts();
1831
1832 images.os.os = IH_OS_LINUX;
1833 ret = do_bootm_states(cmdtp, flag, argc, argv,
1834 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1835 BOOTM_STATE_OS_GO,
1836 &images, 1);
1837
1838 return ret;
1839 }
1840
1841 #ifdef CONFIG_SYS_LONGHELP
1842 static char bootz_help_text[] =
1843 "[addr [initrd[:size]] [fdt]]\n"
1844 " - boot Linux zImage stored in memory\n"
1845 "\tThe argument 'initrd' is optional and specifies the address\n"
1846 "\tof the initrd in memory. The optional argument ':size' allows\n"
1847 "\tspecifying the size of RAW initrd.\n"
1848 #if defined(CONFIG_OF_LIBFDT)
1849 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1850 "\ta third argument is required which is the address of the\n"
1851 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1852 "\tuse a '-' for the second argument. If you do not pass a third\n"
1853 "\ta bd_info struct will be passed instead\n"
1854 #endif
1855 "";
1856 #endif
1857
1858 U_BOOT_CMD(
1859 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1860 "boot Linux zImage image from memory", bootz_help_text
1861 );
1862 #endif /* CONFIG_CMD_BOOTZ */
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