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[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 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24
25 /*
26 * Boot support
27 */
28 #include <common.h>
29 #include <watchdog.h>
30 #include <command.h>
31 #include <image.h>
32 #include <malloc.h>
33 #include <u-boot/zlib.h>
34 #include <bzlib.h>
35 #include <environment.h>
36 #include <lmb.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
39 #include <asm/io.h>
40 #include <linux/compiler.h>
41
42 #if defined(CONFIG_CMD_USB)
43 #include <usb.h>
44 #endif
45
46 #ifdef CONFIG_SYS_HUSH_PARSER
47 #include <hush.h>
48 #endif
49
50 #if defined(CONFIG_OF_LIBFDT)
51 #include <libfdt.h>
52 #include <fdt_support.h>
53 #endif
54
55 #ifdef CONFIG_LZMA
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDec.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
60
61 #ifdef CONFIG_LZO
62 #include <linux/lzo.h>
63 #endif /* CONFIG_LZO */
64
65 DECLARE_GLOBAL_DATA_PTR;
66
67 #ifndef CONFIG_SYS_BOOTM_LEN
68 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
69 #endif
70
71 #ifdef CONFIG_BZIP2
72 extern void bz_internal_error(int);
73 #endif
74
75 #if defined(CONFIG_CMD_IMI)
76 static int image_info(unsigned long addr);
77 #endif
78
79 #if defined(CONFIG_CMD_IMLS)
80 #include <flash.h>
81 #include <mtd/cfi_flash.h>
82 extern flash_info_t flash_info[]; /* info for FLASH chips */
83 #endif
84
85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
86 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
87 #endif
88
89 #include <linux/err.h>
90 #include <nand.h>
91
92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
93 static void fixup_silent_linux(void);
94 #endif
95
96 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
97 char * const argv[], bootm_headers_t *images,
98 ulong *os_data, ulong *os_len);
99
100 /*
101 * Continue booting an OS image; caller already has:
102 * - copied image header to global variable `header'
103 * - checked header magic number, checksums (both header & image),
104 * - verified image architecture (PPC) and type (KERNEL or MULTI),
105 * - loaded (first part of) image to header load address,
106 * - disabled interrupts.
107 *
108 * @flag: Flags indicating what to do (BOOTM_STATE_...)
109 * @argc: Number of arguments. Note that the arguments are shifted down
110 * so that 0 is the first argument not processed by U-Boot, and
111 * argc is adjusted accordingly. This avoids confusion as to how
112 * many arguments are available for the OS.
113 * @images: Pointers to os/initrd/fdt
114 * @return 1 on error. On success the OS boots so this function does
115 * not return.
116 */
117 typedef int boot_os_fn(int flag, int argc, char * const argv[],
118 bootm_headers_t *images);
119
120 #ifdef CONFIG_BOOTM_LINUX
121 extern boot_os_fn do_bootm_linux;
122 #endif
123 #ifdef CONFIG_BOOTM_NETBSD
124 static boot_os_fn do_bootm_netbsd;
125 #endif
126 #if defined(CONFIG_LYNXKDI)
127 static boot_os_fn do_bootm_lynxkdi;
128 extern void lynxkdi_boot(image_header_t *);
129 #endif
130 #ifdef CONFIG_BOOTM_RTEMS
131 static boot_os_fn do_bootm_rtems;
132 #endif
133 #if defined(CONFIG_BOOTM_OSE)
134 static boot_os_fn do_bootm_ose;
135 #endif
136 #if defined(CONFIG_BOOTM_PLAN9)
137 static boot_os_fn do_bootm_plan9;
138 #endif
139 #if defined(CONFIG_CMD_ELF)
140 static boot_os_fn do_bootm_vxworks;
141 static boot_os_fn do_bootm_qnxelf;
142 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
143 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
144 #endif
145 #if defined(CONFIG_INTEGRITY)
146 static boot_os_fn do_bootm_integrity;
147 #endif
148
149 static boot_os_fn *boot_os[] = {
150 #ifdef CONFIG_BOOTM_LINUX
151 [IH_OS_LINUX] = do_bootm_linux,
152 #endif
153 #ifdef CONFIG_BOOTM_NETBSD
154 [IH_OS_NETBSD] = do_bootm_netbsd,
155 #endif
156 #ifdef CONFIG_LYNXKDI
157 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
158 #endif
159 #ifdef CONFIG_BOOTM_RTEMS
160 [IH_OS_RTEMS] = do_bootm_rtems,
161 #endif
162 #if defined(CONFIG_BOOTM_OSE)
163 [IH_OS_OSE] = do_bootm_ose,
164 #endif
165 #if defined(CONFIG_BOOTM_PLAN9)
166 [IH_OS_PLAN9] = do_bootm_plan9,
167 #endif
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_VXWORKS] = do_bootm_vxworks,
170 [IH_OS_QNX] = do_bootm_qnxelf,
171 #endif
172 #ifdef CONFIG_INTEGRITY
173 [IH_OS_INTEGRITY] = do_bootm_integrity,
174 #endif
175 };
176
177 bootm_headers_t images; /* pointers to os/initrd/fdt images */
178
179 /* Allow for arch specific config before we boot */
180 static void __arch_preboot_os(void)
181 {
182 /* please define platform specific arch_preboot_os() */
183 }
184 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
185
186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
187
188 #ifdef CONFIG_LMB
189 static void boot_start_lmb(bootm_headers_t *images)
190 {
191 ulong mem_start;
192 phys_size_t mem_size;
193
194 lmb_init(&images->lmb);
195
196 mem_start = getenv_bootm_low();
197 mem_size = getenv_bootm_size();
198
199 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
200
201 arch_lmb_reserve(&images->lmb);
202 board_lmb_reserve(&images->lmb);
203 }
204 #else
205 #define lmb_reserve(lmb, base, size)
206 static inline void boot_start_lmb(bootm_headers_t *images) { }
207 #endif
208
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 {
211 memset((void *)&images, 0, sizeof(images));
212 images.verify = getenv_yesno("verify");
213
214 boot_start_lmb(&images);
215
216 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
217 images.state = BOOTM_STATE_START;
218
219 return 0;
220 }
221
222 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
223 char * const argv[])
224 {
225 const void *os_hdr;
226
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");
232 return 1;
233 }
234
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);
241
242 images.os.end = image_get_image_end(os_hdr);
243 images.os.load = image_get_load(os_hdr);
244 break;
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);
251 return 1;
252 }
253
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);
258 return 1;
259 }
260
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);
265 return 1;
266 }
267
268 images.os.end = fit_get_end(images.fit_hdr_os);
269
270 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
271 &images.os.load)) {
272 puts("Can't get image load address!\n");
273 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
274 return 1;
275 }
276 break;
277 #endif
278 default:
279 puts("ERROR: unknown image format type!\n");
280 return 1;
281 }
282
283 /* find kernel entry point */
284 if (images.legacy_hdr_valid) {
285 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
286 #if defined(CONFIG_FIT)
287 } else if (images.fit_uname_os) {
288 int ret;
289
290 ret = fit_image_get_entry(images.fit_hdr_os,
291 images.fit_noffset_os, &images.ep);
292 if (ret) {
293 puts("Can't get entry point property!\n");
294 return 1;
295 }
296 #endif
297 } else {
298 puts("Could not find kernel entry point!\n");
299 return 1;
300 }
301
302 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
303 images.os.load = images.os.image_start;
304 images.ep += images.os.load;
305 }
306
307 images.os.start = (ulong)os_hdr;
308
309 return 0;
310 }
311
312 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
313 char * const argv[])
314 {
315 int ret;
316
317 if (((images.os.type == IH_TYPE_KERNEL) ||
318 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
319 (images.os.type == IH_TYPE_MULTI)) &&
320 (images.os.os == IH_OS_LINUX)) {
321 /* find ramdisk */
322 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
323 &images.rd_start, &images.rd_end);
324 if (ret) {
325 puts("Ramdisk image is corrupt or invalid\n");
326 return 1;
327 }
328
329 #if defined(CONFIG_OF_LIBFDT)
330 /* find flattened device tree */
331 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
332 &images.ft_addr, &images.ft_len);
333 if (ret) {
334 puts("Could not find a valid device tree\n");
335 return 1;
336 }
337
338 set_working_fdt_addr(images.ft_addr);
339 #endif
340 }
341
342 return 0;
343 }
344
345 #define BOOTM_ERR_RESET -1
346 #define BOOTM_ERR_OVERLAP -2
347 #define BOOTM_ERR_UNIMPLEMENTED -3
348 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
349 int boot_progress)
350 {
351 image_info_t os = images->os;
352 uint8_t comp = os.comp;
353 ulong load = os.load;
354 ulong blob_start = os.start;
355 ulong blob_end = os.end;
356 ulong image_start = os.image_start;
357 ulong image_len = os.image_len;
358 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
359 int no_overlap = 0;
360 void *load_buf, *image_buf;
361 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
362 int ret;
363 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
364
365 const char *type_name = genimg_get_type_name(os.type);
366
367 load_buf = map_sysmem(load, image_len);
368 image_buf = map_sysmem(image_start, image_len);
369 switch (comp) {
370 case IH_COMP_NONE:
371 if (load == blob_start || load == image_start) {
372 printf(" XIP %s ... ", type_name);
373 no_overlap = 1;
374 } else {
375 printf(" Loading %s ... ", type_name);
376 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
377 }
378 *load_end = load + image_len;
379 puts("OK\n");
380 break;
381 #ifdef CONFIG_GZIP
382 case IH_COMP_GZIP:
383 printf(" Uncompressing %s ... ", type_name);
384 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
385 puts("GUNZIP: uncompress, out-of-mem or overwrite "
386 "error - must RESET board to recover\n");
387 if (boot_progress)
388 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
389 return BOOTM_ERR_RESET;
390 }
391
392 *load_end = load + image_len;
393 break;
394 #endif /* CONFIG_GZIP */
395 #ifdef CONFIG_BZIP2
396 case IH_COMP_BZIP2:
397 printf(" Uncompressing %s ... ", type_name);
398 /*
399 * If we've got less than 4 MB of malloc() space,
400 * use slower decompression algorithm which requires
401 * at most 2300 KB of memory.
402 */
403 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
404 image_buf, image_len,
405 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
406 if (i != BZ_OK) {
407 printf("BUNZIP2: uncompress or overwrite error %d "
408 "- must RESET board to recover\n", i);
409 if (boot_progress)
410 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
411 return BOOTM_ERR_RESET;
412 }
413
414 *load_end = load + unc_len;
415 break;
416 #endif /* CONFIG_BZIP2 */
417 #ifdef CONFIG_LZMA
418 case IH_COMP_LZMA: {
419 SizeT lzma_len = unc_len;
420 printf(" Uncompressing %s ... ", type_name);
421
422 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
423 image_buf, image_len);
424 unc_len = lzma_len;
425 if (ret != SZ_OK) {
426 printf("LZMA: uncompress or overwrite error %d "
427 "- must RESET board to recover\n", ret);
428 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
429 return BOOTM_ERR_RESET;
430 }
431 *load_end = load + unc_len;
432 break;
433 }
434 #endif /* CONFIG_LZMA */
435 #ifdef CONFIG_LZO
436 case IH_COMP_LZO:
437 printf(" Uncompressing %s ... ", type_name);
438
439 ret = lzop_decompress(image_buf, image_len, load_buf,
440 &unc_len);
441 if (ret != LZO_E_OK) {
442 printf("LZO: uncompress or overwrite error %d "
443 "- must RESET board to recover\n", ret);
444 if (boot_progress)
445 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
446 return BOOTM_ERR_RESET;
447 }
448
449 *load_end = load + unc_len;
450 break;
451 #endif /* CONFIG_LZO */
452 default:
453 printf("Unimplemented compression type %d\n", comp);
454 return BOOTM_ERR_UNIMPLEMENTED;
455 }
456
457 flush_cache(load, (*load_end - load) * sizeof(ulong));
458
459 puts("OK\n");
460 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
461 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
462
463 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
464 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
465 blob_start, blob_end);
466 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
467 *load_end);
468
469 /* Check what type of image this is. */
470 if (images->legacy_hdr_valid) {
471 if (image_get_type(&images->legacy_hdr_os_copy)
472 == IH_TYPE_MULTI)
473 puts("WARNING: legacy format multi component image overwritten\n");
474 return BOOTM_ERR_OVERLAP;
475 } else {
476 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
477 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
478 return BOOTM_ERR_RESET;
479 }
480 }
481
482 return 0;
483 }
484
485 static int bootm_start_standalone(int argc, char * const argv[])
486 {
487 char *s;
488 int (*appl)(int, char * const []);
489
490 /* Don't start if "autostart" is set to "no" */
491 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
492 setenv_hex("filesize", images.os.image_len);
493 return 0;
494 }
495 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
496 (*appl)(argc, argv);
497 return 0;
498 }
499
500 /* we overload the cmd field with our state machine info instead of a
501 * function pointer */
502 static cmd_tbl_t cmd_bootm_sub[] = {
503 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
504 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
505 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
506 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
507 #endif
508 #ifdef CONFIG_OF_LIBFDT
509 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
510 #endif
511 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
512 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
513 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
514 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
515 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
516 };
517
518 static int boot_selected_os(int argc, char * const argv[], int state,
519 bootm_headers_t *images, boot_os_fn *boot_fn)
520 {
521 if (images->os.type == IH_TYPE_STANDALONE) {
522 /* This may return when 'autostart' is 'no' */
523 bootm_start_standalone(argc, argv);
524 return 0;
525 }
526 #ifdef CONFIG_SILENT_CONSOLE
527 if (images->os.os == IH_OS_LINUX)
528 fixup_silent_linux();
529 #endif
530 arch_preboot_os();
531 boot_fn(state, argc, argv, images);
532 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
533 return 0;
534 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
535 #ifdef DEBUG
536 puts("\n## Control returned to monitor - resetting...\n");
537 #endif
538 return BOOTM_ERR_RESET;
539 }
540
541 /**
542 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
543 *
544 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
545 * enabled)
546 */
547 static ulong bootm_disable_interrupts(void)
548 {
549 ulong iflag;
550
551 /*
552 * We have reached the point of no return: we are going to
553 * overwrite all exception vector code, so we cannot easily
554 * recover from any failures any more...
555 */
556 iflag = disable_interrupts();
557 #ifdef CONFIG_NETCONSOLE
558 /* Stop the ethernet stack if NetConsole could have left it up */
559 eth_halt();
560 #endif
561
562 #if defined(CONFIG_CMD_USB)
563 /*
564 * turn off USB to prevent the host controller from writing to the
565 * SDRAM while Linux is booting. This could happen (at least for OHCI
566 * controller), because the HCCA (Host Controller Communication Area)
567 * lies within the SDRAM and the host controller writes continously to
568 * this area (as busmaster!). The HccaFrameNumber is for example
569 * updated every 1 ms within the HCCA structure in SDRAM! For more
570 * details see the OpenHCI specification.
571 */
572 usb_stop();
573 #endif
574 return iflag;
575 }
576
577 /**
578 * Execute selected states of the bootm command.
579 *
580 * Note the arguments to this state must be the first argument, Any 'bootm'
581 * or sub-command arguments must have already been taken.
582 *
583 * Note that if states contains more than one flag it MUST contain
584 * BOOTM_STATE_START, since this handles and consumes the command line args.
585 *
586 * Also note that aside from boot_os_fn functions and bootm_load_os no other
587 * functions we store the return value of in 'ret' may use a negative return
588 * value, without special handling.
589 *
590 * @param cmdtp Pointer to bootm command table entry
591 * @param flag Command flags (CMD_FLAG_...)
592 * @param argc Number of subcommand arguments (0 = no arguments)
593 * @param argv Arguments
594 * @param states Mask containing states to run (BOOTM_STATE_...)
595 * @param images Image header information
596 * @param boot_progress 1 to show boot progress, 0 to not do this
597 * @return 0 if ok, something else on error. Some errors will cause this
598 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
599 * then the intent is to boot an OS, so this function will not return
600 * unless the image type is standalone.
601 */
602 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
603 char * const argv[], int states, bootm_headers_t *images,
604 int boot_progress)
605 {
606 boot_os_fn *boot_fn;
607 ulong iflag = 0;
608 int ret = 0, need_boot_fn;
609
610 images->state |= states;
611
612 /*
613 * Work through the states and see how far we get. We stop on
614 * any error.
615 */
616 if (states & BOOTM_STATE_START)
617 ret = bootm_start(cmdtp, flag, argc, argv);
618
619 if (!ret && (states & BOOTM_STATE_FINDOS))
620 ret = bootm_find_os(cmdtp, flag, argc, argv);
621
622 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
623 ret = bootm_find_other(cmdtp, flag, argc, argv);
624 argc = 0; /* consume the args */
625 }
626
627 /* Load the OS */
628 if (!ret && (states & BOOTM_STATE_LOADOS)) {
629 ulong load_end;
630
631 iflag = bootm_disable_interrupts();
632 ret = bootm_load_os(images, &load_end, 0);
633 if (ret && ret != BOOTM_ERR_OVERLAP)
634 goto err;
635
636 if (ret == 0)
637 lmb_reserve(&images->lmb, images->os.load,
638 (load_end - images->os.load));
639 else if (ret == BOOTM_ERR_OVERLAP)
640 ret = 0;
641 }
642
643 /* Relocate the ramdisk */
644 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
645 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
646 ulong rd_len = images->rd_end - images->rd_start;
647
648 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
649 rd_len, &images->initrd_start, &images->initrd_end);
650 if (!ret) {
651 setenv_hex("initrd_start", images->initrd_start);
652 setenv_hex("initrd_end", images->initrd_end);
653 }
654 }
655 #endif
656 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
657 if (!ret && (states & BOOTM_STATE_FDT)) {
658 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
659 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
660 &images->ft_len);
661 }
662 #endif
663
664 /* From now on, we need the OS boot function */
665 if (ret)
666 return ret;
667 boot_fn = boot_os[images->os.os];
668 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
669 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
670 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
671 if (boot_fn == NULL && need_boot_fn) {
672 if (iflag)
673 enable_interrupts();
674 printf("ERROR: booting os '%s' (%d) is not supported\n",
675 genimg_get_os_name(images->os.os), images->os.os);
676 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
677 return 1;
678 }
679
680 /* Call various other states that are not generally used */
681 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
682 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
683 if (!ret && (states & BOOTM_STATE_OS_BD_T))
684 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
685 if (!ret && (states & BOOTM_STATE_OS_PREP))
686 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
687
688 /* Check for unsupported subcommand. */
689 if (ret) {
690 puts("subcommand not supported\n");
691 return ret;
692 }
693
694
695 #ifdef CONFIG_TRACE
696 /* Pretend to run the OS, then run a user command */
697 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
698 char *cmd_list = getenv("fakegocmd");
699
700 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
701 images, boot_fn);
702 if (!ret && cmd_list)
703 ret = run_command_list(cmd_list, -1, flag);
704 }
705 #endif
706 /* Now run the OS! We hope this doesn't return */
707 if (!ret && (states & BOOTM_STATE_OS_GO)) {
708 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
709 images, boot_fn);
710 if (ret)
711 goto err;
712 }
713
714 return ret;
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 | BOOTM_STATE_OS_PREP |
804 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
805 }
806
807 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
808 {
809 const char *ep = getenv("autostart");
810
811 if (ep && !strcmp(ep, "yes")) {
812 char *local_args[2];
813 local_args[0] = (char *)cmd;
814 local_args[1] = NULL;
815 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
816 return do_bootm(cmdtp, 0, 1, local_args);
817 }
818
819 return 0;
820 }
821
822 /**
823 * image_get_kernel - verify legacy format kernel image
824 * @img_addr: in RAM address of the legacy format image to be verified
825 * @verify: data CRC verification flag
826 *
827 * image_get_kernel() verifies legacy image integrity and returns pointer to
828 * legacy image header if image verification was completed successfully.
829 *
830 * returns:
831 * pointer to a legacy image header if valid image was found
832 * otherwise return NULL
833 */
834 static image_header_t *image_get_kernel(ulong img_addr, int verify)
835 {
836 image_header_t *hdr = (image_header_t *)img_addr;
837
838 if (!image_check_magic(hdr)) {
839 puts("Bad Magic Number\n");
840 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
841 return NULL;
842 }
843 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
844
845 if (!image_check_hcrc(hdr)) {
846 puts("Bad Header Checksum\n");
847 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
848 return NULL;
849 }
850
851 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
852 image_print_contents(hdr);
853
854 if (verify) {
855 puts(" Verifying Checksum ... ");
856 if (!image_check_dcrc(hdr)) {
857 printf("Bad Data CRC\n");
858 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
859 return NULL;
860 }
861 puts("OK\n");
862 }
863 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
864
865 if (!image_check_target_arch(hdr)) {
866 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
867 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
868 return NULL;
869 }
870 return hdr;
871 }
872
873 /**
874 * boot_get_kernel - find kernel image
875 * @os_data: pointer to a ulong variable, will hold os data start address
876 * @os_len: pointer to a ulong variable, will hold os data length
877 *
878 * boot_get_kernel() tries to find a kernel image, verifies its integrity
879 * and locates kernel data.
880 *
881 * returns:
882 * pointer to image header if valid image was found, plus kernel start
883 * address and length, otherwise NULL
884 */
885 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
886 char * const argv[], bootm_headers_t *images, ulong *os_data,
887 ulong *os_len)
888 {
889 image_header_t *hdr;
890 ulong img_addr;
891 const void *buf;
892 #if defined(CONFIG_FIT)
893 const char *fit_uname_config = NULL;
894 const char *fit_uname_kernel = NULL;
895 int os_noffset;
896 #endif
897
898 /* find out kernel image address */
899 if (argc < 1) {
900 img_addr = load_addr;
901 debug("* kernel: default image load address = 0x%08lx\n",
902 load_addr);
903 #if defined(CONFIG_FIT)
904 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
905 &fit_uname_config)) {
906 debug("* kernel: config '%s' from image at 0x%08lx\n",
907 fit_uname_config, img_addr);
908 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
909 &fit_uname_kernel)) {
910 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
911 fit_uname_kernel, img_addr);
912 #endif
913 } else {
914 img_addr = simple_strtoul(argv[0], NULL, 16);
915 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
916 }
917
918 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
919
920 /* copy from dataflash if needed */
921 img_addr = genimg_get_image(img_addr);
922
923 /* check image type, for FIT images get FIT kernel node */
924 *os_data = *os_len = 0;
925 buf = map_sysmem(img_addr, 0);
926 switch (genimg_get_format(buf)) {
927 case IMAGE_FORMAT_LEGACY:
928 printf("## Booting kernel from Legacy Image at %08lx ...\n",
929 img_addr);
930 hdr = image_get_kernel(img_addr, images->verify);
931 if (!hdr)
932 return NULL;
933 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
934
935 /* get os_data and os_len */
936 switch (image_get_type(hdr)) {
937 case IH_TYPE_KERNEL:
938 case IH_TYPE_KERNEL_NOLOAD:
939 *os_data = image_get_data(hdr);
940 *os_len = image_get_data_size(hdr);
941 break;
942 case IH_TYPE_MULTI:
943 image_multi_getimg(hdr, 0, os_data, os_len);
944 break;
945 case IH_TYPE_STANDALONE:
946 *os_data = image_get_data(hdr);
947 *os_len = image_get_data_size(hdr);
948 break;
949 default:
950 printf("Wrong Image Type for %s command\n",
951 cmdtp->name);
952 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
953 return NULL;
954 }
955
956 /*
957 * copy image header to allow for image overwrites during
958 * kernel decompression.
959 */
960 memmove(&images->legacy_hdr_os_copy, hdr,
961 sizeof(image_header_t));
962
963 /* save pointer to image header */
964 images->legacy_hdr_os = hdr;
965
966 images->legacy_hdr_valid = 1;
967 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
968 break;
969 #if defined(CONFIG_FIT)
970 case IMAGE_FORMAT_FIT:
971 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
972 img_addr,
973 &fit_uname_kernel, fit_uname_config,
974 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
975 BOOTSTAGE_ID_FIT_KERNEL_START,
976 FIT_LOAD_IGNORED, os_data, os_len);
977 if (os_noffset < 0)
978 return NULL;
979
980 images->fit_hdr_os = map_sysmem(img_addr, 0);
981 images->fit_uname_os = fit_uname_kernel;
982 images->fit_noffset_os = os_noffset;
983 break;
984 #endif
985 default:
986 printf("Wrong Image Format for %s command\n", cmdtp->name);
987 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
988 return NULL;
989 }
990
991 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
992 *os_data, *os_len, *os_len);
993
994 return buf;
995 }
996
997 #ifdef CONFIG_SYS_LONGHELP
998 static char bootm_help_text[] =
999 "[addr [arg ...]]\n - boot application image stored in memory\n"
1000 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1001 "\t'arg' can be the address of an initrd image\n"
1002 #if defined(CONFIG_OF_LIBFDT)
1003 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1004 "\ta third argument is required which is the address of the\n"
1005 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1006 "\tuse a '-' for the second argument. If you do not pass a third\n"
1007 "\ta bd_info struct will be passed instead\n"
1008 #endif
1009 #if defined(CONFIG_FIT)
1010 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1011 "\tmust be extened to include component or configuration unit name:\n"
1012 "\taddr:<subimg_uname> - direct component image specification\n"
1013 "\taddr#<conf_uname> - configuration specification\n"
1014 "\tUse iminfo command to get the list of existing component\n"
1015 "\timages and configurations.\n"
1016 #endif
1017 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1018 "must be\n"
1019 "issued in the order below (it's ok to not issue all sub-commands):\n"
1020 "\tstart [addr [arg ...]]\n"
1021 "\tloados - load OS image\n"
1022 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1023 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1024 #endif
1025 #if defined(CONFIG_OF_LIBFDT)
1026 "\tfdt - relocate flat device tree\n"
1027 #endif
1028 "\tcmdline - OS specific command line processing/setup\n"
1029 "\tbdt - OS specific bd_t processing\n"
1030 "\tprep - OS specific prep before relocation or go\n"
1031 "\tgo - start OS";
1032 #endif
1033
1034 U_BOOT_CMD(
1035 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1036 "boot application image from memory", bootm_help_text
1037 );
1038
1039 /*******************************************************************/
1040 /* bootd - boot default image */
1041 /*******************************************************************/
1042 #if defined(CONFIG_CMD_BOOTD)
1043 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1044 {
1045 int rcode = 0;
1046
1047 if (run_command(getenv("bootcmd"), flag) < 0)
1048 rcode = 1;
1049 return rcode;
1050 }
1051
1052 U_BOOT_CMD(
1053 boot, 1, 1, do_bootd,
1054 "boot default, i.e., run 'bootcmd'",
1055 ""
1056 );
1057
1058 /* keep old command name "bootd" for backward compatibility */
1059 U_BOOT_CMD(
1060 bootd, 1, 1, do_bootd,
1061 "boot default, i.e., run 'bootcmd'",
1062 ""
1063 );
1064
1065 #endif
1066
1067
1068 /*******************************************************************/
1069 /* iminfo - print header info for a requested image */
1070 /*******************************************************************/
1071 #if defined(CONFIG_CMD_IMI)
1072 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1073 {
1074 int arg;
1075 ulong addr;
1076 int rcode = 0;
1077
1078 if (argc < 2) {
1079 return image_info(load_addr);
1080 }
1081
1082 for (arg = 1; arg < argc; ++arg) {
1083 addr = simple_strtoul(argv[arg], NULL, 16);
1084 if (image_info(addr) != 0)
1085 rcode = 1;
1086 }
1087 return rcode;
1088 }
1089
1090 static int image_info(ulong addr)
1091 {
1092 void *hdr = (void *)addr;
1093
1094 printf("\n## Checking Image at %08lx ...\n", addr);
1095
1096 switch (genimg_get_format(hdr)) {
1097 case IMAGE_FORMAT_LEGACY:
1098 puts(" Legacy image found\n");
1099 if (!image_check_magic(hdr)) {
1100 puts(" Bad Magic Number\n");
1101 return 1;
1102 }
1103
1104 if (!image_check_hcrc(hdr)) {
1105 puts(" Bad Header Checksum\n");
1106 return 1;
1107 }
1108
1109 image_print_contents(hdr);
1110
1111 puts(" Verifying Checksum ... ");
1112 if (!image_check_dcrc(hdr)) {
1113 puts(" Bad Data CRC\n");
1114 return 1;
1115 }
1116 puts("OK\n");
1117 return 0;
1118 #if defined(CONFIG_FIT)
1119 case IMAGE_FORMAT_FIT:
1120 puts(" FIT image found\n");
1121
1122 if (!fit_check_format(hdr)) {
1123 puts("Bad FIT image format!\n");
1124 return 1;
1125 }
1126
1127 fit_print_contents(hdr);
1128
1129 if (!fit_all_image_verify(hdr)) {
1130 puts("Bad hash in FIT image!\n");
1131 return 1;
1132 }
1133
1134 return 0;
1135 #endif
1136 default:
1137 puts("Unknown image format!\n");
1138 break;
1139 }
1140
1141 return 1;
1142 }
1143
1144 U_BOOT_CMD(
1145 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1146 "print header information for application image",
1147 "addr [addr ...]\n"
1148 " - print header information for application image starting at\n"
1149 " address 'addr' in memory; this includes verification of the\n"
1150 " image contents (magic number, header and payload checksums)"
1151 );
1152 #endif
1153
1154
1155 /*******************************************************************/
1156 /* imls - list all images found in flash */
1157 /*******************************************************************/
1158 #if defined(CONFIG_CMD_IMLS)
1159 static int do_imls_nor(void)
1160 {
1161 flash_info_t *info;
1162 int i, j;
1163 void *hdr;
1164
1165 for (i = 0, info = &flash_info[0];
1166 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1167
1168 if (info->flash_id == FLASH_UNKNOWN)
1169 goto next_bank;
1170 for (j = 0; j < info->sector_count; ++j) {
1171
1172 hdr = (void *)info->start[j];
1173 if (!hdr)
1174 goto next_sector;
1175
1176 switch (genimg_get_format(hdr)) {
1177 case IMAGE_FORMAT_LEGACY:
1178 if (!image_check_hcrc(hdr))
1179 goto next_sector;
1180
1181 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1182 image_print_contents(hdr);
1183
1184 puts(" Verifying Checksum ... ");
1185 if (!image_check_dcrc(hdr)) {
1186 puts("Bad Data CRC\n");
1187 } else {
1188 puts("OK\n");
1189 }
1190 break;
1191 #if defined(CONFIG_FIT)
1192 case IMAGE_FORMAT_FIT:
1193 if (!fit_check_format(hdr))
1194 goto next_sector;
1195
1196 printf("FIT Image at %08lX:\n", (ulong)hdr);
1197 fit_print_contents(hdr);
1198 break;
1199 #endif
1200 default:
1201 goto next_sector;
1202 }
1203
1204 next_sector: ;
1205 }
1206 next_bank: ;
1207 }
1208 return 0;
1209 }
1210 #endif
1211
1212 #if defined(CONFIG_CMD_IMLS_NAND)
1213 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1214 size_t len)
1215 {
1216 void *imgdata;
1217 int ret;
1218
1219 imgdata = malloc(len);
1220 if (!imgdata) {
1221 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1222 nand_dev, off);
1223 printf(" Low memory(cannot allocate memory for image)\n");
1224 return -ENOMEM;
1225 }
1226
1227 ret = nand_read_skip_bad(nand, off, &len,
1228 imgdata);
1229 if (ret < 0 && ret != -EUCLEAN) {
1230 free(imgdata);
1231 return ret;
1232 }
1233
1234 if (!image_check_hcrc(imgdata)) {
1235 free(imgdata);
1236 return 0;
1237 }
1238
1239 printf("Legacy Image at NAND device %d offset %08llX:\n",
1240 nand_dev, off);
1241 image_print_contents(imgdata);
1242
1243 puts(" Verifying Checksum ... ");
1244 if (!image_check_dcrc(imgdata))
1245 puts("Bad Data CRC\n");
1246 else
1247 puts("OK\n");
1248
1249 free(imgdata);
1250
1251 return 0;
1252 }
1253
1254 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1255 size_t len)
1256 {
1257 void *imgdata;
1258 int ret;
1259
1260 imgdata = malloc(len);
1261 if (!imgdata) {
1262 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1263 nand_dev, off);
1264 printf(" Low memory(cannot allocate memory for image)\n");
1265 return -ENOMEM;
1266 }
1267
1268 ret = nand_read_skip_bad(nand, off, &len,
1269 imgdata);
1270 if (ret < 0 && ret != -EUCLEAN) {
1271 free(imgdata);
1272 return ret;
1273 }
1274
1275 if (!fit_check_format(imgdata)) {
1276 free(imgdata);
1277 return 0;
1278 }
1279
1280 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1281
1282 fit_print_contents(imgdata);
1283 free(imgdata);
1284
1285 return 0;
1286 }
1287
1288 static int do_imls_nand(void)
1289 {
1290 nand_info_t *nand;
1291 int nand_dev = nand_curr_device;
1292 size_t len;
1293 loff_t off;
1294 u32 buffer[16];
1295
1296 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1297 puts("\nNo NAND devices available\n");
1298 return -ENODEV;
1299 }
1300
1301 printf("\n");
1302
1303 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1304 nand = &nand_info[nand_dev];
1305 if (!nand->name || !nand->size)
1306 continue;
1307
1308 for (off = 0; off < nand->size; off += nand->erasesize) {
1309 const image_header_t *header;
1310 int ret;
1311
1312 if (nand_block_isbad(nand, off))
1313 continue;
1314
1315 len = sizeof(buffer);
1316
1317 ret = nand_read(nand, off, &len, (u8 *)buffer);
1318 if (ret < 0 && ret != -EUCLEAN) {
1319 printf("NAND read error %d at offset %08llX\n",
1320 ret, off);
1321 continue;
1322 }
1323
1324 switch (genimg_get_format(buffer)) {
1325 case IMAGE_FORMAT_LEGACY:
1326 header = (const image_header_t *)buffer;
1327
1328 len = image_get_image_size(header);
1329 nand_imls_legacyimage(nand, nand_dev, off, len);
1330 break;
1331 #if defined(CONFIG_FIT)
1332 case IMAGE_FORMAT_FIT:
1333 len = fit_get_size(buffer);
1334 nand_imls_fitimage(nand, nand_dev, off, len);
1335 break;
1336 #endif
1337 }
1338 }
1339 }
1340
1341 return 0;
1342 }
1343 #endif
1344
1345 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1346 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1347 {
1348 int ret_nor = 0, ret_nand = 0;
1349
1350 #if defined(CONFIG_CMD_IMLS)
1351 ret_nor = do_imls_nor();
1352 #endif
1353
1354 #if defined(CONFIG_CMD_IMLS_NAND)
1355 ret_nand = do_imls_nand();
1356 #endif
1357
1358 if (ret_nor)
1359 return ret_nor;
1360
1361 if (ret_nand)
1362 return ret_nand;
1363
1364 return (0);
1365 }
1366
1367 U_BOOT_CMD(
1368 imls, 1, 1, do_imls,
1369 "list all images found in flash",
1370 "\n"
1371 " - Prints information about all images found at sector/block\n"
1372 " boundaries in nor/nand flash."
1373 );
1374 #endif
1375
1376 /*******************************************************************/
1377 /* helper routines */
1378 /*******************************************************************/
1379 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1380
1381 #define CONSOLE_ARG "console="
1382 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1383
1384 static void fixup_silent_linux(void)
1385 {
1386 char *buf;
1387 const char *env_val;
1388 char *cmdline = getenv("bootargs");
1389
1390 /* Only fix cmdline when requested */
1391 if (!(gd->flags & GD_FLG_SILENT))
1392 return;
1393
1394 debug("before silent fix-up: %s\n", cmdline);
1395 if (cmdline && (cmdline[0] != '\0')) {
1396 char *start = strstr(cmdline, CONSOLE_ARG);
1397
1398 /* Allocate space for maximum possible new command line */
1399 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1400 if (!buf) {
1401 debug("%s: out of memory\n", __func__);
1402 return;
1403 }
1404
1405 if (start) {
1406 char *end = strchr(start, ' ');
1407 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1408
1409 strncpy(buf, cmdline, num_start_bytes);
1410 if (end)
1411 strcpy(buf + num_start_bytes, end);
1412 else
1413 buf[num_start_bytes] = '\0';
1414 } else {
1415 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1416 }
1417 env_val = buf;
1418 } else {
1419 buf = NULL;
1420 env_val = CONSOLE_ARG;
1421 }
1422
1423 setenv("bootargs", env_val);
1424 debug("after silent fix-up: %s\n", env_val);
1425 free(buf);
1426 }
1427 #endif /* CONFIG_SILENT_CONSOLE */
1428
1429 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1430 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1431 {
1432 int i;
1433
1434 for (i = 0; i < argc; i++) {
1435 if (i > 0)
1436 *dest++ = delim;
1437 strcpy(dest, argv[i]);
1438 dest += strlen(argv[i]);
1439 }
1440 }
1441 #endif
1442
1443 /*******************************************************************/
1444 /* OS booting routines */
1445 /*******************************************************************/
1446
1447 #ifdef CONFIG_BOOTM_NETBSD
1448 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1449 bootm_headers_t *images)
1450 {
1451 void (*loader)(bd_t *, image_header_t *, char *, char *);
1452 image_header_t *os_hdr, *hdr;
1453 ulong kernel_data, kernel_len;
1454 char *consdev;
1455 char *cmdline;
1456
1457 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1458 return 1;
1459
1460 #if defined(CONFIG_FIT)
1461 if (!images->legacy_hdr_valid) {
1462 fit_unsupported_reset("NetBSD");
1463 return 1;
1464 }
1465 #endif
1466 hdr = images->legacy_hdr_os;
1467
1468 /*
1469 * Booting a (NetBSD) kernel image
1470 *
1471 * This process is pretty similar to a standalone application:
1472 * The (first part of an multi-) image must be a stage-2 loader,
1473 * which in turn is responsible for loading & invoking the actual
1474 * kernel. The only differences are the parameters being passed:
1475 * besides the board info strucure, the loader expects a command
1476 * line, the name of the console device, and (optionally) the
1477 * address of the original image header.
1478 */
1479 os_hdr = NULL;
1480 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1481 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1482 if (kernel_len)
1483 os_hdr = hdr;
1484 }
1485
1486 consdev = "";
1487 #if defined(CONFIG_8xx_CONS_SMC1)
1488 consdev = "smc1";
1489 #elif defined(CONFIG_8xx_CONS_SMC2)
1490 consdev = "smc2";
1491 #elif defined(CONFIG_8xx_CONS_SCC2)
1492 consdev = "scc2";
1493 #elif defined(CONFIG_8xx_CONS_SCC3)
1494 consdev = "scc3";
1495 #endif
1496
1497 if (argc > 0) {
1498 ulong len;
1499 int i;
1500
1501 for (i = 0, len = 0; i < argc; i += 1)
1502 len += strlen(argv[i]) + 1;
1503 cmdline = malloc(len);
1504 copy_args(cmdline, argc, argv, ' ');
1505 } else if ((cmdline = getenv("bootargs")) == NULL) {
1506 cmdline = "";
1507 }
1508
1509 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1510
1511 printf("## Transferring control to NetBSD stage-2 loader "
1512 "(at address %08lx) ...\n",
1513 (ulong)loader);
1514
1515 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1516
1517 /*
1518 * NetBSD Stage-2 Loader Parameters:
1519 * r3: ptr to board info data
1520 * r4: image address
1521 * r5: console device
1522 * r6: boot args string
1523 */
1524 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1525
1526 return 1;
1527 }
1528 #endif /* CONFIG_BOOTM_NETBSD*/
1529
1530 #ifdef CONFIG_LYNXKDI
1531 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1532 bootm_headers_t *images)
1533 {
1534 image_header_t *hdr = &images->legacy_hdr_os_copy;
1535
1536 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1537 return 1;
1538
1539 #if defined(CONFIG_FIT)
1540 if (!images->legacy_hdr_valid) {
1541 fit_unsupported_reset("Lynx");
1542 return 1;
1543 }
1544 #endif
1545
1546 lynxkdi_boot((image_header_t *)hdr);
1547
1548 return 1;
1549 }
1550 #endif /* CONFIG_LYNXKDI */
1551
1552 #ifdef CONFIG_BOOTM_RTEMS
1553 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1554 bootm_headers_t *images)
1555 {
1556 void (*entry_point)(bd_t *);
1557
1558 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1559 return 1;
1560
1561 #if defined(CONFIG_FIT)
1562 if (!images->legacy_hdr_valid) {
1563 fit_unsupported_reset("RTEMS");
1564 return 1;
1565 }
1566 #endif
1567
1568 entry_point = (void (*)(bd_t *))images->ep;
1569
1570 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1571 (ulong)entry_point);
1572
1573 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1574
1575 /*
1576 * RTEMS Parameters:
1577 * r3: ptr to board info data
1578 */
1579 (*entry_point)(gd->bd);
1580
1581 return 1;
1582 }
1583 #endif /* CONFIG_BOOTM_RTEMS */
1584
1585 #if defined(CONFIG_BOOTM_OSE)
1586 static int do_bootm_ose(int flag, int argc, char * const argv[],
1587 bootm_headers_t *images)
1588 {
1589 void (*entry_point)(void);
1590
1591 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1592 return 1;
1593
1594 #if defined(CONFIG_FIT)
1595 if (!images->legacy_hdr_valid) {
1596 fit_unsupported_reset("OSE");
1597 return 1;
1598 }
1599 #endif
1600
1601 entry_point = (void (*)(void))images->ep;
1602
1603 printf("## Transferring control to OSE (at address %08lx) ...\n",
1604 (ulong)entry_point);
1605
1606 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1607
1608 /*
1609 * OSE Parameters:
1610 * None
1611 */
1612 (*entry_point)();
1613
1614 return 1;
1615 }
1616 #endif /* CONFIG_BOOTM_OSE */
1617
1618 #if defined(CONFIG_BOOTM_PLAN9)
1619 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1620 bootm_headers_t *images)
1621 {
1622 void (*entry_point)(void);
1623 char *s;
1624
1625 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1626 return 1;
1627
1628 #if defined(CONFIG_FIT)
1629 if (!images->legacy_hdr_valid) {
1630 fit_unsupported_reset("Plan 9");
1631 return 1;
1632 }
1633 #endif
1634
1635 /* See README.plan9 */
1636 s = getenv("confaddr");
1637 if (s != NULL) {
1638 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1639
1640 if (argc > 0) {
1641 copy_args(confaddr, argc, argv, '\n');
1642 } else {
1643 s = getenv("bootargs");
1644 if (s != NULL)
1645 strcpy(confaddr, s);
1646 }
1647 }
1648
1649 entry_point = (void (*)(void))images->ep;
1650
1651 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1652 (ulong)entry_point);
1653
1654 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1655
1656 /*
1657 * Plan 9 Parameters:
1658 * None
1659 */
1660 (*entry_point)();
1661
1662 return 1;
1663 }
1664 #endif /* CONFIG_BOOTM_PLAN9 */
1665
1666 #if defined(CONFIG_CMD_ELF)
1667 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1668 bootm_headers_t *images)
1669 {
1670 char str[80];
1671
1672 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1673 return 1;
1674
1675 #if defined(CONFIG_FIT)
1676 if (!images->legacy_hdr_valid) {
1677 fit_unsupported_reset("VxWorks");
1678 return 1;
1679 }
1680 #endif
1681
1682 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1683 setenv("loadaddr", str);
1684 do_bootvx(NULL, 0, 0, NULL);
1685
1686 return 1;
1687 }
1688
1689 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1690 bootm_headers_t *images)
1691 {
1692 char *local_args[2];
1693 char str[16];
1694
1695 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1696 return 1;
1697
1698 #if defined(CONFIG_FIT)
1699 if (!images->legacy_hdr_valid) {
1700 fit_unsupported_reset("QNX");
1701 return 1;
1702 }
1703 #endif
1704
1705 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1706 local_args[0] = argv[0];
1707 local_args[1] = str; /* and provide it via the arguments */
1708 do_bootelf(NULL, 0, 2, local_args);
1709
1710 return 1;
1711 }
1712 #endif
1713
1714 #ifdef CONFIG_INTEGRITY
1715 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1716 bootm_headers_t *images)
1717 {
1718 void (*entry_point)(void);
1719
1720 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1721 return 1;
1722
1723 #if defined(CONFIG_FIT)
1724 if (!images->legacy_hdr_valid) {
1725 fit_unsupported_reset("INTEGRITY");
1726 return 1;
1727 }
1728 #endif
1729
1730 entry_point = (void (*)(void))images->ep;
1731
1732 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1733 (ulong)entry_point);
1734
1735 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1736
1737 /*
1738 * INTEGRITY Parameters:
1739 * None
1740 */
1741 (*entry_point)();
1742
1743 return 1;
1744 }
1745 #endif
1746
1747 #ifdef CONFIG_CMD_BOOTZ
1748
1749 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1750 {
1751 /* Please define bootz_setup() for your platform */
1752
1753 puts("Your platform's zImage format isn't supported yet!\n");
1754 return -1;
1755 }
1756
1757 /*
1758 * zImage booting support
1759 */
1760 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1761 char * const argv[], bootm_headers_t *images)
1762 {
1763 int ret;
1764 ulong zi_start, zi_end;
1765
1766 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1767 images, 1);
1768
1769 /* Setup Linux kernel zImage entry point */
1770 if (argc < 2) {
1771 images->ep = load_addr;
1772 debug("* kernel: default image load address = 0x%08lx\n",
1773 load_addr);
1774 } else {
1775 images->ep = simple_strtoul(argv[1], NULL, 16);
1776 debug("* kernel: cmdline image address = 0x%08lx\n",
1777 images->ep);
1778 }
1779
1780 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1781 if (ret != 0)
1782 return 1;
1783
1784 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1785
1786 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
1787 images, 1);
1788
1789 return ret;
1790 }
1791
1792 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1793 {
1794 int ret;
1795
1796 if (bootz_start(cmdtp, flag, argc, argv, &images))
1797 return 1;
1798
1799 /*
1800 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1801 * disable interrupts ourselves
1802 */
1803 bootm_disable_interrupts();
1804
1805 images.os.os = IH_OS_LINUX;
1806 ret = do_bootm_states(cmdtp, flag, argc, argv,
1807 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1808 BOOTM_STATE_OS_GO,
1809 &images, 1);
1810
1811 return ret;
1812 }
1813
1814 #ifdef CONFIG_SYS_LONGHELP
1815 static char bootz_help_text[] =
1816 "[addr [initrd[:size]] [fdt]]\n"
1817 " - boot Linux zImage stored in memory\n"
1818 "\tThe argument 'initrd' is optional and specifies the address\n"
1819 "\tof the initrd in memory. The optional argument ':size' allows\n"
1820 "\tspecifying the size of RAW initrd.\n"
1821 #if defined(CONFIG_OF_LIBFDT)
1822 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1823 "\ta third argument is required which is the address of the\n"
1824 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1825 "\tuse a '-' for the second argument. If you do not pass a third\n"
1826 "\ta bd_info struct will be passed instead\n"
1827 #endif
1828 "";
1829 #endif
1830
1831 U_BOOT_CMD(
1832 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1833 "boot Linux zImage image from memory", bootz_help_text
1834 );
1835 #endif /* CONFIG_CMD_BOOTZ */
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