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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(image_info_t os, ulong *load_end, int boot_progress)
349 {
350 uint8_t comp = os.comp;
351 ulong load = os.load;
352 ulong blob_start = os.start;
353 ulong blob_end = os.end;
354 ulong image_start = os.image_start;
355 ulong image_len = os.image_len;
356 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
357 int no_overlap = 0;
358 void *load_buf, *image_buf;
359 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
360 int ret;
361 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
362
363 const char *type_name = genimg_get_type_name(os.type);
364
365 load_buf = map_sysmem(load, image_len);
366 image_buf = map_sysmem(image_start, image_len);
367 switch (comp) {
368 case IH_COMP_NONE:
369 if (load == blob_start || load == image_start) {
370 printf(" XIP %s ... ", type_name);
371 no_overlap = 1;
372 } else {
373 printf(" Loading %s ... ", type_name);
374 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
375 }
376 *load_end = load + image_len;
377 puts("OK\n");
378 break;
379 #ifdef CONFIG_GZIP
380 case IH_COMP_GZIP:
381 printf(" Uncompressing %s ... ", type_name);
382 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
383 puts("GUNZIP: uncompress, out-of-mem or overwrite "
384 "error - must RESET board to recover\n");
385 if (boot_progress)
386 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
387 return BOOTM_ERR_RESET;
388 }
389
390 *load_end = load + image_len;
391 break;
392 #endif /* CONFIG_GZIP */
393 #ifdef CONFIG_BZIP2
394 case IH_COMP_BZIP2:
395 printf(" Uncompressing %s ... ", type_name);
396 /*
397 * If we've got less than 4 MB of malloc() space,
398 * use slower decompression algorithm which requires
399 * at most 2300 KB of memory.
400 */
401 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
402 image_buf, image_len,
403 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
404 if (i != BZ_OK) {
405 printf("BUNZIP2: uncompress or overwrite error %d "
406 "- must RESET board to recover\n", i);
407 if (boot_progress)
408 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
409 return BOOTM_ERR_RESET;
410 }
411
412 *load_end = load + unc_len;
413 break;
414 #endif /* CONFIG_BZIP2 */
415 #ifdef CONFIG_LZMA
416 case IH_COMP_LZMA: {
417 SizeT lzma_len = unc_len;
418 printf(" Uncompressing %s ... ", type_name);
419
420 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
421 image_buf, image_len);
422 unc_len = lzma_len;
423 if (ret != SZ_OK) {
424 printf("LZMA: uncompress or overwrite error %d "
425 "- must RESET board to recover\n", ret);
426 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
427 return BOOTM_ERR_RESET;
428 }
429 *load_end = load + unc_len;
430 break;
431 }
432 #endif /* CONFIG_LZMA */
433 #ifdef CONFIG_LZO
434 case IH_COMP_LZO:
435 printf(" Uncompressing %s ... ", type_name);
436
437 ret = lzop_decompress(image_buf, image_len, load_buf,
438 &unc_len);
439 if (ret != LZO_E_OK) {
440 printf("LZO: uncompress or overwrite error %d "
441 "- must RESET board to recover\n", ret);
442 if (boot_progress)
443 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
444 return BOOTM_ERR_RESET;
445 }
446
447 *load_end = load + unc_len;
448 break;
449 #endif /* CONFIG_LZO */
450 default:
451 printf("Unimplemented compression type %d\n", comp);
452 return BOOTM_ERR_UNIMPLEMENTED;
453 }
454
455 flush_cache(load, (*load_end - load) * sizeof(ulong));
456
457 puts("OK\n");
458 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
459 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
460
461 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
462 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
463 blob_start, blob_end);
464 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
465 *load_end);
466
467 return BOOTM_ERR_OVERLAP;
468 }
469
470 return 0;
471 }
472
473 static int bootm_start_standalone(int argc, char * const argv[])
474 {
475 char *s;
476 int (*appl)(int, char * const []);
477
478 /* Don't start if "autostart" is set to "no" */
479 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
480 setenv_hex("filesize", images.os.image_len);
481 return 0;
482 }
483 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
484 (*appl)(argc, argv);
485 return 0;
486 }
487
488 /* we overload the cmd field with our state machine info instead of a
489 * function pointer */
490 static cmd_tbl_t cmd_bootm_sub[] = {
491 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
492 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
493 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
494 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
495 #endif
496 #ifdef CONFIG_OF_LIBFDT
497 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
498 #endif
499 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
500 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
501 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
502 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
503 };
504
505 static int boot_selected_os(int argc, char * const argv[], int state,
506 bootm_headers_t *images, boot_os_fn *boot_fn, ulong *iflag)
507 {
508 if (images->os.type == IH_TYPE_STANDALONE) {
509 /* This may return when 'autostart' is 'no' */
510 bootm_start_standalone(argc, argv);
511 return 0;
512 }
513 /*
514 * We have reached the point of no return: we are going to
515 * overwrite all exception vector code, so we cannot easily
516 * recover from any failures any more...
517 */
518 *iflag = disable_interrupts();
519 #ifdef CONFIG_NETCONSOLE
520 /* Stop the ethernet stack if NetConsole could have left it up */
521 eth_halt();
522 #endif
523
524 #if defined(CONFIG_CMD_USB)
525 /*
526 * turn off USB to prevent the host controller from writing to the
527 * SDRAM while Linux is booting. This could happen (at least for OHCI
528 * controller), because the HCCA (Host Controller Communication Area)
529 * lies within the SDRAM and the host controller writes continously to
530 * this area (as busmaster!). The HccaFrameNumber is for example
531 * updated every 1 ms within the HCCA structure in SDRAM! For more
532 * details see the OpenHCI specification.
533 */
534 usb_stop();
535 #endif
536 #ifdef CONFIG_SILENT_CONSOLE
537 if (images->os.os == IH_OS_LINUX)
538 fixup_silent_linux();
539 #endif
540 arch_preboot_os();
541 boot_fn(state, argc, argv, images);
542 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
543 #ifdef DEBUG
544 puts("\n## Control returned to monitor - resetting...\n");
545 #endif
546 return BOOTM_ERR_RESET;
547 }
548
549 /**
550 * Execute selected states of the bootm command.
551 *
552 * Note the arguments to this state must be the first argument, Any 'bootm'
553 * or sub-command arguments must have already been taken.
554 *
555 * Note that if states contains more than one flag it MUST contain
556 * BOOTM_STATE_START, since this handles and consumes the command line args.
557 *
558 * @param cmdtp Pointer to bootm command table entry
559 * @param flag Command flags (CMD_FLAG_...)
560 * @param argc Number of subcommand arguments (0 = no arguments)
561 * @param argv Arguments
562 * @param states Mask containing states to run (BOOTM_STATE_...)
563 * @param images Image header information
564 * @param boot_progress 1 to show boot progress, 0 to not do this
565 * @return 0 if ok, something else on error. Some errors will cause this
566 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
567 * then the intent is to boot an OS, so this function will not return
568 * unless the image type is standalone.
569 */
570 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
571 char * const argv[], int states, bootm_headers_t *images,
572 int boot_progress)
573 {
574 boot_os_fn *boot_fn;
575 ulong iflag = 0;
576 int ret = 0;
577
578 images->state |= states;
579
580 /*
581 * Work through the states and see how far we get. We stop on
582 * any error.
583 */
584 if (states & BOOTM_STATE_START)
585 ret = bootm_start(cmdtp, flag, argc, argv);
586
587 if (!ret && (states & BOOTM_STATE_FINDOS))
588 ret = bootm_find_os(cmdtp, flag, argc, argv);
589
590 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
591 ret = bootm_find_other(cmdtp, flag, argc, argv);
592 argc = 0; /* consume the args */
593 }
594
595 /* Load the OS */
596 if (!ret && (states & BOOTM_STATE_LOADOS)) {
597 ulong load_end;
598
599 ret = bootm_load_os(images->os, &load_end, 0);
600 if (!ret) {
601 lmb_reserve(&images->lmb, images->os.load,
602 (load_end - images->os.load));
603 }
604 }
605
606 /* Relocate the ramdisk */
607 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
608 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
609 ulong rd_len = images->rd_end - images->rd_start;
610
611 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
612 rd_len, &images->initrd_start, &images->initrd_end);
613 if (!ret) {
614 setenv_hex("initrd_start", images->initrd_start);
615 setenv_hex("initrd_end", images->initrd_end);
616 }
617 }
618 #endif
619 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
620 if (!ret && (states & BOOTM_STATE_FDT)) {
621 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
622 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
623 &images->ft_len);
624 }
625 #endif
626
627 /* From now on, we need the OS boot function */
628 if (ret)
629 return ret;
630 boot_fn = boot_os[images->os.os];
631 if (boot_fn == NULL) {
632 if (iflag)
633 enable_interrupts();
634 printf("ERROR: booting os '%s' (%d) is not supported\n",
635 genimg_get_os_name(images->os.os), images->os.os);
636 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
637 return 1;
638 }
639
640 /* Call various other states that are not generally used */
641 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
642 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
643 if (!ret && (states & BOOTM_STATE_OS_BD_T))
644 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
645 if (!ret && (states & BOOTM_STATE_OS_PREP))
646 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
647
648 /* Now run the OS! We hope this doesn't return */
649 if (!ret && (states & BOOTM_STATE_OS_GO))
650 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
651 images, boot_fn, &iflag);
652
653 /* Deal with any fallout */
654 if (ret < 0) {
655 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
656 if (iflag)
657 enable_interrupts();
658 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
659 return 1;
660 } else if (ret == BOOTM_ERR_OVERLAP) {
661 if (images->legacy_hdr_valid) {
662 if (image_get_type(&images->legacy_hdr_os_copy)
663 == IH_TYPE_MULTI)
664 puts("WARNING: legacy format multi component image overwritten\n");
665 } else {
666 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
667 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
668 ret = BOOTM_ERR_RESET;
669 }
670 }
671 if (ret == BOOTM_ERR_RESET)
672 do_reset(cmdtp, flag, argc, argv);
673 }
674 if (iflag)
675 enable_interrupts();
676 if (ret)
677 puts("subcommand not supported\n");
678
679 return ret;
680 }
681
682 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
683 char * const argv[])
684 {
685 int ret = 0;
686 long state;
687 cmd_tbl_t *c;
688
689 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
690 argc--; argv++;
691
692 if (c) {
693 state = (long)c->cmd;
694 if (state == BOOTM_STATE_START)
695 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
696 } else {
697 /* Unrecognized command */
698 return CMD_RET_USAGE;
699 }
700
701 if (state != BOOTM_STATE_START && images.state >= state) {
702 printf("Trying to execute a command out of order\n");
703 return CMD_RET_USAGE;
704 }
705
706 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
707
708 return ret;
709 }
710
711 /*******************************************************************/
712 /* bootm - boot application image from image in memory */
713 /*******************************************************************/
714
715 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
716 {
717 #ifdef CONFIG_NEEDS_MANUAL_RELOC
718 static int relocated = 0;
719
720 if (!relocated) {
721 int i;
722
723 /* relocate boot function table */
724 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
725 if (boot_os[i] != NULL)
726 boot_os[i] += gd->reloc_off;
727
728 /* relocate names of sub-command table */
729 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
730 cmd_bootm_sub[i].name += gd->reloc_off;
731
732 relocated = 1;
733 }
734 #endif
735
736 /* determine if we have a sub command */
737 argc--; argv++;
738 if (argc > 0) {
739 char *endp;
740
741 simple_strtoul(argv[0], &endp, 16);
742 /* endp pointing to NULL means that argv[0] was just a
743 * valid number, pass it along to the normal bootm processing
744 *
745 * If endp is ':' or '#' assume a FIT identifier so pass
746 * along for normal processing.
747 *
748 * Right now we assume the first arg should never be '-'
749 */
750 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
751 return do_bootm_subcommand(cmdtp, flag, argc, argv);
752 }
753
754 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
755 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
756 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
757 BOOTM_STATE_OS_GO, &images, 1);
758 }
759
760 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
761 {
762 const char *ep = getenv("autostart");
763
764 if (ep && !strcmp(ep, "yes")) {
765 char *local_args[2];
766 local_args[0] = (char *)cmd;
767 local_args[1] = NULL;
768 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
769 return do_bootm(cmdtp, 0, 1, local_args);
770 }
771
772 return 0;
773 }
774
775 /**
776 * image_get_kernel - verify legacy format kernel image
777 * @img_addr: in RAM address of the legacy format image to be verified
778 * @verify: data CRC verification flag
779 *
780 * image_get_kernel() verifies legacy image integrity and returns pointer to
781 * legacy image header if image verification was completed successfully.
782 *
783 * returns:
784 * pointer to a legacy image header if valid image was found
785 * otherwise return NULL
786 */
787 static image_header_t *image_get_kernel(ulong img_addr, int verify)
788 {
789 image_header_t *hdr = (image_header_t *)img_addr;
790
791 if (!image_check_magic(hdr)) {
792 puts("Bad Magic Number\n");
793 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
794 return NULL;
795 }
796 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
797
798 if (!image_check_hcrc(hdr)) {
799 puts("Bad Header Checksum\n");
800 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
801 return NULL;
802 }
803
804 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
805 image_print_contents(hdr);
806
807 if (verify) {
808 puts(" Verifying Checksum ... ");
809 if (!image_check_dcrc(hdr)) {
810 printf("Bad Data CRC\n");
811 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
812 return NULL;
813 }
814 puts("OK\n");
815 }
816 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
817
818 if (!image_check_target_arch(hdr)) {
819 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
820 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
821 return NULL;
822 }
823 return hdr;
824 }
825
826 /**
827 * boot_get_kernel - find kernel image
828 * @os_data: pointer to a ulong variable, will hold os data start address
829 * @os_len: pointer to a ulong variable, will hold os data length
830 *
831 * boot_get_kernel() tries to find a kernel image, verifies its integrity
832 * and locates kernel data.
833 *
834 * returns:
835 * pointer to image header if valid image was found, plus kernel start
836 * address and length, otherwise NULL
837 */
838 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
839 char * const argv[], bootm_headers_t *images, ulong *os_data,
840 ulong *os_len)
841 {
842 image_header_t *hdr;
843 ulong img_addr;
844 const void *buf;
845 #if defined(CONFIG_FIT)
846 const char *fit_uname_config = NULL;
847 const char *fit_uname_kernel = NULL;
848 int os_noffset;
849 #endif
850
851 /* find out kernel image address */
852 if (argc < 1) {
853 img_addr = load_addr;
854 debug("* kernel: default image load address = 0x%08lx\n",
855 load_addr);
856 #if defined(CONFIG_FIT)
857 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
858 &fit_uname_config)) {
859 debug("* kernel: config '%s' from image at 0x%08lx\n",
860 fit_uname_config, img_addr);
861 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
862 &fit_uname_kernel)) {
863 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
864 fit_uname_kernel, img_addr);
865 #endif
866 } else {
867 img_addr = simple_strtoul(argv[0], NULL, 16);
868 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
869 }
870
871 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
872
873 /* copy from dataflash if needed */
874 img_addr = genimg_get_image(img_addr);
875
876 /* check image type, for FIT images get FIT kernel node */
877 *os_data = *os_len = 0;
878 buf = map_sysmem(img_addr, 0);
879 switch (genimg_get_format(buf)) {
880 case IMAGE_FORMAT_LEGACY:
881 printf("## Booting kernel from Legacy Image at %08lx ...\n",
882 img_addr);
883 hdr = image_get_kernel(img_addr, images->verify);
884 if (!hdr)
885 return NULL;
886 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
887
888 /* get os_data and os_len */
889 switch (image_get_type(hdr)) {
890 case IH_TYPE_KERNEL:
891 case IH_TYPE_KERNEL_NOLOAD:
892 *os_data = image_get_data(hdr);
893 *os_len = image_get_data_size(hdr);
894 break;
895 case IH_TYPE_MULTI:
896 image_multi_getimg(hdr, 0, os_data, os_len);
897 break;
898 case IH_TYPE_STANDALONE:
899 *os_data = image_get_data(hdr);
900 *os_len = image_get_data_size(hdr);
901 break;
902 default:
903 printf("Wrong Image Type for %s command\n",
904 cmdtp->name);
905 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
906 return NULL;
907 }
908
909 /*
910 * copy image header to allow for image overwrites during
911 * kernel decompression.
912 */
913 memmove(&images->legacy_hdr_os_copy, hdr,
914 sizeof(image_header_t));
915
916 /* save pointer to image header */
917 images->legacy_hdr_os = hdr;
918
919 images->legacy_hdr_valid = 1;
920 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
921 break;
922 #if defined(CONFIG_FIT)
923 case IMAGE_FORMAT_FIT:
924 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
925 img_addr,
926 &fit_uname_kernel, fit_uname_config,
927 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
928 BOOTSTAGE_ID_FIT_KERNEL_START,
929 FIT_LOAD_IGNORED, os_data, os_len);
930 if (os_noffset < 0)
931 return NULL;
932
933 images->fit_hdr_os = map_sysmem(img_addr, 0);
934 images->fit_uname_os = fit_uname_kernel;
935 images->fit_noffset_os = os_noffset;
936 break;
937 #endif
938 default:
939 printf("Wrong Image Format for %s command\n", cmdtp->name);
940 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
941 return NULL;
942 }
943
944 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
945 *os_data, *os_len, *os_len);
946
947 return buf;
948 }
949
950 #ifdef CONFIG_SYS_LONGHELP
951 static char bootm_help_text[] =
952 "[addr [arg ...]]\n - boot application image stored in memory\n"
953 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
954 "\t'arg' can be the address of an initrd image\n"
955 #if defined(CONFIG_OF_LIBFDT)
956 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
957 "\ta third argument is required which is the address of the\n"
958 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
959 "\tuse a '-' for the second argument. If you do not pass a third\n"
960 "\ta bd_info struct will be passed instead\n"
961 #endif
962 #if defined(CONFIG_FIT)
963 "\t\nFor the new multi component uImage format (FIT) addresses\n"
964 "\tmust be extened to include component or configuration unit name:\n"
965 "\taddr:<subimg_uname> - direct component image specification\n"
966 "\taddr#<conf_uname> - configuration specification\n"
967 "\tUse iminfo command to get the list of existing component\n"
968 "\timages and configurations.\n"
969 #endif
970 "\nSub-commands to do part of the bootm sequence. The sub-commands "
971 "must be\n"
972 "issued in the order below (it's ok to not issue all sub-commands):\n"
973 "\tstart [addr [arg ...]]\n"
974 "\tloados - load OS image\n"
975 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
976 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
977 #endif
978 #if defined(CONFIG_OF_LIBFDT)
979 "\tfdt - relocate flat device tree\n"
980 #endif
981 "\tcmdline - OS specific command line processing/setup\n"
982 "\tbdt - OS specific bd_t processing\n"
983 "\tprep - OS specific prep before relocation or go\n"
984 "\tgo - start OS";
985 #endif
986
987 U_BOOT_CMD(
988 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
989 "boot application image from memory", bootm_help_text
990 );
991
992 /*******************************************************************/
993 /* bootd - boot default image */
994 /*******************************************************************/
995 #if defined(CONFIG_CMD_BOOTD)
996 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
997 {
998 int rcode = 0;
999
1000 if (run_command(getenv("bootcmd"), flag) < 0)
1001 rcode = 1;
1002 return rcode;
1003 }
1004
1005 U_BOOT_CMD(
1006 boot, 1, 1, do_bootd,
1007 "boot default, i.e., run 'bootcmd'",
1008 ""
1009 );
1010
1011 /* keep old command name "bootd" for backward compatibility */
1012 U_BOOT_CMD(
1013 bootd, 1, 1, do_bootd,
1014 "boot default, i.e., run 'bootcmd'",
1015 ""
1016 );
1017
1018 #endif
1019
1020
1021 /*******************************************************************/
1022 /* iminfo - print header info for a requested image */
1023 /*******************************************************************/
1024 #if defined(CONFIG_CMD_IMI)
1025 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1026 {
1027 int arg;
1028 ulong addr;
1029 int rcode = 0;
1030
1031 if (argc < 2) {
1032 return image_info(load_addr);
1033 }
1034
1035 for (arg = 1; arg < argc; ++arg) {
1036 addr = simple_strtoul(argv[arg], NULL, 16);
1037 if (image_info(addr) != 0)
1038 rcode = 1;
1039 }
1040 return rcode;
1041 }
1042
1043 static int image_info(ulong addr)
1044 {
1045 void *hdr = (void *)addr;
1046
1047 printf("\n## Checking Image at %08lx ...\n", addr);
1048
1049 switch (genimg_get_format(hdr)) {
1050 case IMAGE_FORMAT_LEGACY:
1051 puts(" Legacy image found\n");
1052 if (!image_check_magic(hdr)) {
1053 puts(" Bad Magic Number\n");
1054 return 1;
1055 }
1056
1057 if (!image_check_hcrc(hdr)) {
1058 puts(" Bad Header Checksum\n");
1059 return 1;
1060 }
1061
1062 image_print_contents(hdr);
1063
1064 puts(" Verifying Checksum ... ");
1065 if (!image_check_dcrc(hdr)) {
1066 puts(" Bad Data CRC\n");
1067 return 1;
1068 }
1069 puts("OK\n");
1070 return 0;
1071 #if defined(CONFIG_FIT)
1072 case IMAGE_FORMAT_FIT:
1073 puts(" FIT image found\n");
1074
1075 if (!fit_check_format(hdr)) {
1076 puts("Bad FIT image format!\n");
1077 return 1;
1078 }
1079
1080 fit_print_contents(hdr);
1081
1082 if (!fit_all_image_verify(hdr)) {
1083 puts("Bad hash in FIT image!\n");
1084 return 1;
1085 }
1086
1087 return 0;
1088 #endif
1089 default:
1090 puts("Unknown image format!\n");
1091 break;
1092 }
1093
1094 return 1;
1095 }
1096
1097 U_BOOT_CMD(
1098 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1099 "print header information for application image",
1100 "addr [addr ...]\n"
1101 " - print header information for application image starting at\n"
1102 " address 'addr' in memory; this includes verification of the\n"
1103 " image contents (magic number, header and payload checksums)"
1104 );
1105 #endif
1106
1107
1108 /*******************************************************************/
1109 /* imls - list all images found in flash */
1110 /*******************************************************************/
1111 #if defined(CONFIG_CMD_IMLS)
1112 static int do_imls_nor(void)
1113 {
1114 flash_info_t *info;
1115 int i, j;
1116 void *hdr;
1117
1118 for (i = 0, info = &flash_info[0];
1119 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1120
1121 if (info->flash_id == FLASH_UNKNOWN)
1122 goto next_bank;
1123 for (j = 0; j < info->sector_count; ++j) {
1124
1125 hdr = (void *)info->start[j];
1126 if (!hdr)
1127 goto next_sector;
1128
1129 switch (genimg_get_format(hdr)) {
1130 case IMAGE_FORMAT_LEGACY:
1131 if (!image_check_hcrc(hdr))
1132 goto next_sector;
1133
1134 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1135 image_print_contents(hdr);
1136
1137 puts(" Verifying Checksum ... ");
1138 if (!image_check_dcrc(hdr)) {
1139 puts("Bad Data CRC\n");
1140 } else {
1141 puts("OK\n");
1142 }
1143 break;
1144 #if defined(CONFIG_FIT)
1145 case IMAGE_FORMAT_FIT:
1146 if (!fit_check_format(hdr))
1147 goto next_sector;
1148
1149 printf("FIT Image at %08lX:\n", (ulong)hdr);
1150 fit_print_contents(hdr);
1151 break;
1152 #endif
1153 default:
1154 goto next_sector;
1155 }
1156
1157 next_sector: ;
1158 }
1159 next_bank: ;
1160 }
1161 return 0;
1162 }
1163 #endif
1164
1165 #if defined(CONFIG_CMD_IMLS_NAND)
1166 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1167 size_t len)
1168 {
1169 void *imgdata;
1170 int ret;
1171
1172 imgdata = malloc(len);
1173 if (!imgdata) {
1174 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1175 nand_dev, off);
1176 printf(" Low memory(cannot allocate memory for image)\n");
1177 return -ENOMEM;
1178 }
1179
1180 ret = nand_read_skip_bad(nand, off, &len,
1181 imgdata);
1182 if (ret < 0 && ret != -EUCLEAN) {
1183 free(imgdata);
1184 return ret;
1185 }
1186
1187 if (!image_check_hcrc(imgdata)) {
1188 free(imgdata);
1189 return 0;
1190 }
1191
1192 printf("Legacy Image at NAND device %d offset %08llX:\n",
1193 nand_dev, off);
1194 image_print_contents(imgdata);
1195
1196 puts(" Verifying Checksum ... ");
1197 if (!image_check_dcrc(imgdata))
1198 puts("Bad Data CRC\n");
1199 else
1200 puts("OK\n");
1201
1202 free(imgdata);
1203
1204 return 0;
1205 }
1206
1207 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1208 size_t len)
1209 {
1210 void *imgdata;
1211 int ret;
1212
1213 imgdata = malloc(len);
1214 if (!imgdata) {
1215 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1216 nand_dev, off);
1217 printf(" Low memory(cannot allocate memory for image)\n");
1218 return -ENOMEM;
1219 }
1220
1221 ret = nand_read_skip_bad(nand, off, &len,
1222 imgdata);
1223 if (ret < 0 && ret != -EUCLEAN) {
1224 free(imgdata);
1225 return ret;
1226 }
1227
1228 if (!fit_check_format(imgdata)) {
1229 free(imgdata);
1230 return 0;
1231 }
1232
1233 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1234
1235 fit_print_contents(imgdata);
1236 free(imgdata);
1237
1238 return 0;
1239 }
1240
1241 static int do_imls_nand(void)
1242 {
1243 nand_info_t *nand;
1244 int nand_dev = nand_curr_device;
1245 size_t len;
1246 loff_t off;
1247 u32 buffer[16];
1248
1249 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1250 puts("\nNo NAND devices available\n");
1251 return -ENODEV;
1252 }
1253
1254 printf("\n");
1255
1256 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1257 nand = &nand_info[nand_dev];
1258 if (!nand->name || !nand->size)
1259 continue;
1260
1261 for (off = 0; off < nand->size; off += nand->erasesize) {
1262 const image_header_t *header;
1263 int ret;
1264
1265 if (nand_block_isbad(nand, off))
1266 continue;
1267
1268 len = sizeof(buffer);
1269
1270 ret = nand_read(nand, off, &len, (u8 *)buffer);
1271 if (ret < 0 && ret != -EUCLEAN) {
1272 printf("NAND read error %d at offset %08llX\n",
1273 ret, off);
1274 continue;
1275 }
1276
1277 switch (genimg_get_format(buffer)) {
1278 case IMAGE_FORMAT_LEGACY:
1279 header = (const image_header_t *)buffer;
1280
1281 len = image_get_image_size(header);
1282 nand_imls_legacyimage(nand, nand_dev, off, len);
1283 break;
1284 #if defined(CONFIG_FIT)
1285 case IMAGE_FORMAT_FIT:
1286 len = fit_get_size(buffer);
1287 nand_imls_fitimage(nand, nand_dev, off, len);
1288 break;
1289 #endif
1290 }
1291 }
1292 }
1293
1294 return 0;
1295 }
1296 #endif
1297
1298 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1299 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1300 {
1301 int ret_nor = 0, ret_nand = 0;
1302
1303 #if defined(CONFIG_CMD_IMLS)
1304 ret_nor = do_imls_nor();
1305 #endif
1306
1307 #if defined(CONFIG_CMD_IMLS_NAND)
1308 ret_nand = do_imls_nand();
1309 #endif
1310
1311 if (ret_nor)
1312 return ret_nor;
1313
1314 if (ret_nand)
1315 return ret_nand;
1316
1317 return (0);
1318 }
1319
1320 U_BOOT_CMD(
1321 imls, 1, 1, do_imls,
1322 "list all images found in flash",
1323 "\n"
1324 " - Prints information about all images found at sector/block\n"
1325 " boundaries in nor/nand flash."
1326 );
1327 #endif
1328
1329 /*******************************************************************/
1330 /* helper routines */
1331 /*******************************************************************/
1332 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1333
1334 #define CONSOLE_ARG "console="
1335 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1336
1337 static void fixup_silent_linux(void)
1338 {
1339 char *buf;
1340 const char *env_val;
1341 char *cmdline = getenv("bootargs");
1342
1343 /* Only fix cmdline when requested */
1344 if (!(gd->flags & GD_FLG_SILENT))
1345 return;
1346
1347 debug("before silent fix-up: %s\n", cmdline);
1348 if (cmdline && (cmdline[0] != '\0')) {
1349 char *start = strstr(cmdline, CONSOLE_ARG);
1350
1351 /* Allocate space for maximum possible new command line */
1352 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1353 if (!buf) {
1354 debug("%s: out of memory\n", __func__);
1355 return;
1356 }
1357
1358 if (start) {
1359 char *end = strchr(start, ' ');
1360 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1361
1362 strncpy(buf, cmdline, num_start_bytes);
1363 if (end)
1364 strcpy(buf + num_start_bytes, end);
1365 else
1366 buf[num_start_bytes] = '\0';
1367 } else {
1368 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1369 }
1370 env_val = buf;
1371 } else {
1372 buf = NULL;
1373 env_val = CONSOLE_ARG;
1374 }
1375
1376 setenv("bootargs", env_val);
1377 debug("after silent fix-up: %s\n", env_val);
1378 free(buf);
1379 }
1380 #endif /* CONFIG_SILENT_CONSOLE */
1381
1382
1383 /*******************************************************************/
1384 /* OS booting routines */
1385 /*******************************************************************/
1386
1387 #ifdef CONFIG_BOOTM_NETBSD
1388 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1389 bootm_headers_t *images)
1390 {
1391 void (*loader)(bd_t *, image_header_t *, char *, char *);
1392 image_header_t *os_hdr, *hdr;
1393 ulong kernel_data, kernel_len;
1394 char *consdev;
1395 char *cmdline;
1396
1397 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1398 return 1;
1399
1400 #if defined(CONFIG_FIT)
1401 if (!images->legacy_hdr_valid) {
1402 fit_unsupported_reset("NetBSD");
1403 return 1;
1404 }
1405 #endif
1406 hdr = images->legacy_hdr_os;
1407
1408 /*
1409 * Booting a (NetBSD) kernel image
1410 *
1411 * This process is pretty similar to a standalone application:
1412 * The (first part of an multi-) image must be a stage-2 loader,
1413 * which in turn is responsible for loading & invoking the actual
1414 * kernel. The only differences are the parameters being passed:
1415 * besides the board info strucure, the loader expects a command
1416 * line, the name of the console device, and (optionally) the
1417 * address of the original image header.
1418 */
1419 os_hdr = NULL;
1420 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1421 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1422 if (kernel_len)
1423 os_hdr = hdr;
1424 }
1425
1426 consdev = "";
1427 #if defined(CONFIG_8xx_CONS_SMC1)
1428 consdev = "smc1";
1429 #elif defined(CONFIG_8xx_CONS_SMC2)
1430 consdev = "smc2";
1431 #elif defined(CONFIG_8xx_CONS_SCC2)
1432 consdev = "scc2";
1433 #elif defined(CONFIG_8xx_CONS_SCC3)
1434 consdev = "scc3";
1435 #endif
1436
1437 if (argc > 0) {
1438 ulong len;
1439 int i;
1440
1441 for (i = 0, len = 0; i < argc; i += 1)
1442 len += strlen(argv[i]) + 1;
1443 cmdline = malloc(len);
1444
1445 for (i = 0, len = 0; i < argc; i += 1) {
1446 if (i > 0)
1447 cmdline[len++] = ' ';
1448 strcpy(&cmdline[len], argv[i]);
1449 len += strlen(argv[i]);
1450 }
1451 } else if ((cmdline = getenv("bootargs")) == NULL) {
1452 cmdline = "";
1453 }
1454
1455 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1456
1457 printf("## Transferring control to NetBSD stage-2 loader "
1458 "(at address %08lx) ...\n",
1459 (ulong)loader);
1460
1461 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1462
1463 /*
1464 * NetBSD Stage-2 Loader Parameters:
1465 * r3: ptr to board info data
1466 * r4: image address
1467 * r5: console device
1468 * r6: boot args string
1469 */
1470 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1471
1472 return 1;
1473 }
1474 #endif /* CONFIG_BOOTM_NETBSD*/
1475
1476 #ifdef CONFIG_LYNXKDI
1477 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1478 bootm_headers_t *images)
1479 {
1480 image_header_t *hdr = &images->legacy_hdr_os_copy;
1481
1482 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1483 return 1;
1484
1485 #if defined(CONFIG_FIT)
1486 if (!images->legacy_hdr_valid) {
1487 fit_unsupported_reset("Lynx");
1488 return 1;
1489 }
1490 #endif
1491
1492 lynxkdi_boot((image_header_t *)hdr);
1493
1494 return 1;
1495 }
1496 #endif /* CONFIG_LYNXKDI */
1497
1498 #ifdef CONFIG_BOOTM_RTEMS
1499 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1500 bootm_headers_t *images)
1501 {
1502 void (*entry_point)(bd_t *);
1503
1504 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1505 return 1;
1506
1507 #if defined(CONFIG_FIT)
1508 if (!images->legacy_hdr_valid) {
1509 fit_unsupported_reset("RTEMS");
1510 return 1;
1511 }
1512 #endif
1513
1514 entry_point = (void (*)(bd_t *))images->ep;
1515
1516 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1517 (ulong)entry_point);
1518
1519 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1520
1521 /*
1522 * RTEMS Parameters:
1523 * r3: ptr to board info data
1524 */
1525 (*entry_point)(gd->bd);
1526
1527 return 1;
1528 }
1529 #endif /* CONFIG_BOOTM_RTEMS */
1530
1531 #if defined(CONFIG_BOOTM_OSE)
1532 static int do_bootm_ose(int flag, int argc, char * const argv[],
1533 bootm_headers_t *images)
1534 {
1535 void (*entry_point)(void);
1536
1537 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1538 return 1;
1539
1540 #if defined(CONFIG_FIT)
1541 if (!images->legacy_hdr_valid) {
1542 fit_unsupported_reset("OSE");
1543 return 1;
1544 }
1545 #endif
1546
1547 entry_point = (void (*)(void))images->ep;
1548
1549 printf("## Transferring control to OSE (at address %08lx) ...\n",
1550 (ulong)entry_point);
1551
1552 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1553
1554 /*
1555 * OSE Parameters:
1556 * None
1557 */
1558 (*entry_point)();
1559
1560 return 1;
1561 }
1562 #endif /* CONFIG_BOOTM_OSE */
1563
1564 #if defined(CONFIG_BOOTM_PLAN9)
1565 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1566 bootm_headers_t *images)
1567 {
1568 void (*entry_point)(void);
1569
1570 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1571 return 1;
1572
1573 #if defined(CONFIG_FIT)
1574 if (!images->legacy_hdr_valid) {
1575 fit_unsupported_reset("Plan 9");
1576 return 1;
1577 }
1578 #endif
1579
1580 entry_point = (void (*)(void))images->ep;
1581
1582 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1583 (ulong)entry_point);
1584
1585 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1586
1587 /*
1588 * Plan 9 Parameters:
1589 * None
1590 */
1591 (*entry_point)();
1592
1593 return 1;
1594 }
1595 #endif /* CONFIG_BOOTM_PLAN9 */
1596
1597 #if defined(CONFIG_CMD_ELF)
1598 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1599 bootm_headers_t *images)
1600 {
1601 char str[80];
1602
1603 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1604 return 1;
1605
1606 #if defined(CONFIG_FIT)
1607 if (!images->legacy_hdr_valid) {
1608 fit_unsupported_reset("VxWorks");
1609 return 1;
1610 }
1611 #endif
1612
1613 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1614 setenv("loadaddr", str);
1615 do_bootvx(NULL, 0, 0, NULL);
1616
1617 return 1;
1618 }
1619
1620 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1621 bootm_headers_t *images)
1622 {
1623 char *local_args[2];
1624 char str[16];
1625
1626 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1627 return 1;
1628
1629 #if defined(CONFIG_FIT)
1630 if (!images->legacy_hdr_valid) {
1631 fit_unsupported_reset("QNX");
1632 return 1;
1633 }
1634 #endif
1635
1636 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1637 local_args[0] = argv[0];
1638 local_args[1] = str; /* and provide it via the arguments */
1639 do_bootelf(NULL, 0, 2, local_args);
1640
1641 return 1;
1642 }
1643 #endif
1644
1645 #ifdef CONFIG_INTEGRITY
1646 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1647 bootm_headers_t *images)
1648 {
1649 void (*entry_point)(void);
1650
1651 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1652 return 1;
1653
1654 #if defined(CONFIG_FIT)
1655 if (!images->legacy_hdr_valid) {
1656 fit_unsupported_reset("INTEGRITY");
1657 return 1;
1658 }
1659 #endif
1660
1661 entry_point = (void (*)(void))images->ep;
1662
1663 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1664 (ulong)entry_point);
1665
1666 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1667
1668 /*
1669 * INTEGRITY Parameters:
1670 * None
1671 */
1672 (*entry_point)();
1673
1674 return 1;
1675 }
1676 #endif
1677
1678 #ifdef CONFIG_CMD_BOOTZ
1679
1680 static int __bootz_setup(void *image, void **start, void **end)
1681 {
1682 /* Please define bootz_setup() for your platform */
1683
1684 puts("Your platform's zImage format isn't supported yet!\n");
1685 return -1;
1686 }
1687 int bootz_setup(void *image, void **start, void **end)
1688 __attribute__((weak, alias("__bootz_setup")));
1689
1690 /*
1691 * zImage booting support
1692 */
1693 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1694 char * const argv[], bootm_headers_t *images)
1695 {
1696 int ret;
1697 void *zi_start, *zi_end;
1698
1699 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1700 images, 1);
1701
1702 /* Setup Linux kernel zImage entry point */
1703 if (argc < 2) {
1704 images->ep = load_addr;
1705 debug("* kernel: default image load address = 0x%08lx\n",
1706 load_addr);
1707 } else {
1708 images->ep = simple_strtoul(argv[1], NULL, 16);
1709 debug("* kernel: cmdline image address = 0x%08lx\n",
1710 images->ep);
1711 }
1712
1713 ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1714 if (ret != 0)
1715 return 1;
1716
1717 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1718
1719 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
1720 images, 1);
1721
1722 return ret;
1723 }
1724
1725 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1726 {
1727 bootm_headers_t images;
1728 int ret;
1729
1730 if (bootz_start(cmdtp, flag, argc, argv, &images))
1731 return 1;
1732
1733 ret = do_bootm_states(cmdtp, flag, argc, argv,
1734 BOOTM_STATE_OS_GO, &images, 1);
1735
1736 return ret;
1737 }
1738
1739 #ifdef CONFIG_SYS_LONGHELP
1740 static char bootz_help_text[] =
1741 "[addr [initrd[:size]] [fdt]]\n"
1742 " - boot Linux zImage stored in memory\n"
1743 "\tThe argument 'initrd' is optional and specifies the address\n"
1744 "\tof the initrd in memory. The optional argument ':size' allows\n"
1745 "\tspecifying the size of RAW initrd.\n"
1746 #if defined(CONFIG_OF_LIBFDT)
1747 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1748 "\ta third argument is required which is the address of the\n"
1749 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1750 "\tuse a '-' for the second argument. If you do not pass a third\n"
1751 "\ta bd_info struct will be passed instead\n"
1752 #endif
1753 "";
1754 #endif
1755
1756 U_BOOT_CMD(
1757 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1758 "boot Linux zImage image from memory", bootz_help_text
1759 );
1760 #endif /* CONFIG_CMD_BOOTZ */
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