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10#include <common.h>
11#include <bootm.h>
12#include <command.h>
13#include <environment.h>
14#include <errno.h>
15#include <image.h>
16#include <malloc.h>
17#include <nand.h>
18#include <asm/byteorder.h>
19#include <linux/ctype.h>
20#include <linux/err.h>
21#include <u-boot/zlib.h>
22
23DECLARE_GLOBAL_DATA_PTR;
24
25#if defined(CONFIG_CMD_IMI)
26static int image_info(unsigned long addr);
27#endif
28
29#if defined(CONFIG_CMD_IMLS)
30#include <flash.h>
31#include <mtd/cfi_flash.h>
32extern flash_info_t flash_info[];
33#endif
34
35#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
36static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
37#endif
38
39
40
41static cmd_tbl_t cmd_bootm_sub[] = {
42 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
43 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
44#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
45 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
46#endif
47#ifdef CONFIG_OF_LIBFDT
48 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
49#endif
50 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
51 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
52 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
53 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
54 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
55};
56
57static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
58 char * const argv[])
59{
60 int ret = 0;
61 long state;
62 cmd_tbl_t *c;
63
64 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
65 argc--; argv++;
66
67 if (c) {
68 state = (long)c->cmd;
69 if (state == BOOTM_STATE_START)
70 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
71 } else {
72
73 return CMD_RET_USAGE;
74 }
75
76 if (((state & BOOTM_STATE_START) != BOOTM_STATE_START) &&
77 images.state >= state) {
78 printf("Trying to execute a command out of order\n");
79 return CMD_RET_USAGE;
80 }
81
82 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
83
84 return ret;
85}
86
87
88
89
90
91int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
92{
93#ifdef CONFIG_NEEDS_MANUAL_RELOC
94 static int relocated = 0;
95
96 if (!relocated) {
97 int i;
98
99
100 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
101 cmd_bootm_sub[i].name += gd->reloc_off;
102
103 relocated = 1;
104 }
105#endif
106
107
108 argc--; argv++;
109 if (argc > 0) {
110 char *endp;
111
112 simple_strtoul(argv[0], &endp, 16);
113
114
115
116
117
118
119
120
121 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
122 return do_bootm_subcommand(cmdtp, flag, argc, argv);
123 }
124
125 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
126 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
127 BOOTM_STATE_LOADOS |
128#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
129 BOOTM_STATE_RAMDISK |
130#endif
131#if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
132 BOOTM_STATE_OS_CMDLINE |
133#endif
134 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
135 BOOTM_STATE_OS_GO, &images, 1);
136}
137
138int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
139{
140 const char *ep = env_get("autostart");
141
142 if (ep && !strcmp(ep, "yes")) {
143 char *local_args[2];
144 local_args[0] = (char *)cmd;
145 local_args[1] = NULL;
146 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
147 return do_bootm(cmdtp, 0, 1, local_args);
148 }
149
150 return 0;
151}
152
153#ifdef CONFIG_SYS_LONGHELP
154static char bootm_help_text[] =
155 "[addr [arg ...]]\n - boot application image stored in memory\n"
156 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
157 "\t'arg' can be the address of an initrd image\n"
158#if defined(CONFIG_OF_LIBFDT)
159 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
160 "\ta third argument is required which is the address of the\n"
161 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
162 "\tuse a '-' for the second argument. If you do not pass a third\n"
163 "\ta bd_info struct will be passed instead\n"
164#endif
165#if defined(CONFIG_FIT)
166 "\t\nFor the new multi component uImage format (FIT) addresses\n"
167 "\tmust be extended to include component or configuration unit name:\n"
168 "\taddr:<subimg_uname> - direct component image specification\n"
169 "\taddr#<conf_uname> - configuration specification\n"
170 "\tUse iminfo command to get the list of existing component\n"
171 "\timages and configurations.\n"
172#endif
173 "\nSub-commands to do part of the bootm sequence. The sub-commands "
174 "must be\n"
175 "issued in the order below (it's ok to not issue all sub-commands):\n"
176 "\tstart [addr [arg ...]]\n"
177 "\tloados - load OS image\n"
178#if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
179 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
180#endif
181#if defined(CONFIG_OF_LIBFDT)
182 "\tfdt - relocate flat device tree\n"
183#endif
184 "\tcmdline - OS specific command line processing/setup\n"
185 "\tbdt - OS specific bd_t processing\n"
186 "\tprep - OS specific prep before relocation or go\n"
187#if defined(CONFIG_TRACE)
188 "\tfake - OS specific fake start without go\n"
189#endif
190 "\tgo - start OS";
191#endif
192
193U_BOOT_CMD(
194 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
195 "boot application image from memory", bootm_help_text
196);
197
198
199
200
201#if defined(CONFIG_CMD_BOOTD)
202int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
203{
204 return run_command(env_get("bootcmd"), flag);
205}
206
207U_BOOT_CMD(
208 boot, 1, 1, do_bootd,
209 "boot default, i.e., run 'bootcmd'",
210 ""
211);
212
213
214U_BOOT_CMD(
215 bootd, 1, 1, do_bootd,
216 "boot default, i.e., run 'bootcmd'",
217 ""
218);
219
220#endif
221
222
223
224
225
226#if defined(CONFIG_CMD_IMI)
227static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
228{
229 int arg;
230 ulong addr;
231 int rcode = 0;
232
233 if (argc < 2) {
234 return image_info(load_addr);
235 }
236
237 for (arg = 1; arg < argc; ++arg) {
238 addr = simple_strtoul(argv[arg], NULL, 16);
239 if (image_info(addr) != 0)
240 rcode = 1;
241 }
242 return rcode;
243}
244
245static int image_info(ulong addr)
246{
247 void *hdr = (void *)addr;
248
249 printf("\n## Checking Image at %08lx ...\n", addr);
250
251 switch (genimg_get_format(hdr)) {
252#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
253 case IMAGE_FORMAT_LEGACY:
254 puts(" Legacy image found\n");
255 if (!image_check_magic(hdr)) {
256 puts(" Bad Magic Number\n");
257 return 1;
258 }
259
260 if (!image_check_hcrc(hdr)) {
261 puts(" Bad Header Checksum\n");
262 return 1;
263 }
264
265 image_print_contents(hdr);
266
267 puts(" Verifying Checksum ... ");
268 if (!image_check_dcrc(hdr)) {
269 puts(" Bad Data CRC\n");
270 return 1;
271 }
272 puts("OK\n");
273 return 0;
274#endif
275#if defined(CONFIG_ANDROID_BOOT_IMAGE)
276 case IMAGE_FORMAT_ANDROID:
277 puts(" Android image found\n");
278 android_print_contents(hdr);
279 return 0;
280#endif
281#if defined(CONFIG_FIT)
282 case IMAGE_FORMAT_FIT:
283 puts(" FIT image found\n");
284
285 if (!fit_check_format(hdr)) {
286 puts("Bad FIT image format!\n");
287 return 1;
288 }
289
290 fit_print_contents(hdr);
291
292 if (!fit_all_image_verify(hdr)) {
293 puts("Bad hash in FIT image!\n");
294 return 1;
295 }
296
297 return 0;
298#endif
299 default:
300 puts("Unknown image format!\n");
301 break;
302 }
303
304 return 1;
305}
306
307U_BOOT_CMD(
308 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
309 "print header information for application image",
310 "addr [addr ...]\n"
311 " - print header information for application image starting at\n"
312 " address 'addr' in memory; this includes verification of the\n"
313 " image contents (magic number, header and payload checksums)"
314);
315#endif
316
317
318
319
320
321#if defined(CONFIG_CMD_IMLS)
322static int do_imls_nor(void)
323{
324 flash_info_t *info;
325 int i, j;
326 void *hdr;
327
328 for (i = 0, info = &flash_info[0];
329 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
330
331 if (info->flash_id == FLASH_UNKNOWN)
332 goto next_bank;
333 for (j = 0; j < info->sector_count; ++j) {
334
335 hdr = (void *)info->start[j];
336 if (!hdr)
337 goto next_sector;
338
339 switch (genimg_get_format(hdr)) {
340#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
341 case IMAGE_FORMAT_LEGACY:
342 if (!image_check_hcrc(hdr))
343 goto next_sector;
344
345 printf("Legacy Image at %08lX:\n", (ulong)hdr);
346 image_print_contents(hdr);
347
348 puts(" Verifying Checksum ... ");
349 if (!image_check_dcrc(hdr)) {
350 puts("Bad Data CRC\n");
351 } else {
352 puts("OK\n");
353 }
354 break;
355#endif
356#if defined(CONFIG_FIT)
357 case IMAGE_FORMAT_FIT:
358 if (!fit_check_format(hdr))
359 goto next_sector;
360
361 printf("FIT Image at %08lX:\n", (ulong)hdr);
362 fit_print_contents(hdr);
363 break;
364#endif
365 default:
366 goto next_sector;
367 }
368
369next_sector: ;
370 }
371next_bank: ;
372 }
373 return 0;
374}
375#endif
376
377#if defined(CONFIG_CMD_IMLS_NAND)
378static int nand_imls_legacyimage(struct mtd_info *mtd, int nand_dev,
379 loff_t off, size_t len)
380{
381 void *imgdata;
382 int ret;
383
384 imgdata = malloc(len);
385 if (!imgdata) {
386 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
387 nand_dev, off);
388 printf(" Low memory(cannot allocate memory for image)\n");
389 return -ENOMEM;
390 }
391
392 ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
393 if (ret < 0 && ret != -EUCLEAN) {
394 free(imgdata);
395 return ret;
396 }
397
398 if (!image_check_hcrc(imgdata)) {
399 free(imgdata);
400 return 0;
401 }
402
403 printf("Legacy Image at NAND device %d offset %08llX:\n",
404 nand_dev, off);
405 image_print_contents(imgdata);
406
407 puts(" Verifying Checksum ... ");
408 if (!image_check_dcrc(imgdata))
409 puts("Bad Data CRC\n");
410 else
411 puts("OK\n");
412
413 free(imgdata);
414
415 return 0;
416}
417
418static int nand_imls_fitimage(struct mtd_info *mtd, int nand_dev, loff_t off,
419 size_t len)
420{
421 void *imgdata;
422 int ret;
423
424 imgdata = malloc(len);
425 if (!imgdata) {
426 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
427 nand_dev, off);
428 printf(" Low memory(cannot allocate memory for image)\n");
429 return -ENOMEM;
430 }
431
432 ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
433 if (ret < 0 && ret != -EUCLEAN) {
434 free(imgdata);
435 return ret;
436 }
437
438 if (!fit_check_format(imgdata)) {
439 free(imgdata);
440 return 0;
441 }
442
443 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
444
445 fit_print_contents(imgdata);
446 free(imgdata);
447
448 return 0;
449}
450
451static int do_imls_nand(void)
452{
453 struct mtd_info *mtd;
454 int nand_dev = nand_curr_device;
455 size_t len;
456 loff_t off;
457 u32 buffer[16];
458
459 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
460 puts("\nNo NAND devices available\n");
461 return -ENODEV;
462 }
463
464 printf("\n");
465
466 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
467 mtd = get_nand_dev_by_index(nand_dev);
468 if (!mtd->name || !mtd->size)
469 continue;
470
471 for (off = 0; off < mtd->size; off += mtd->erasesize) {
472 const image_header_t *header;
473 int ret;
474
475 if (nand_block_isbad(mtd, off))
476 continue;
477
478 len = sizeof(buffer);
479
480 ret = nand_read(mtd, off, &len, (u8 *)buffer);
481 if (ret < 0 && ret != -EUCLEAN) {
482 printf("NAND read error %d at offset %08llX\n",
483 ret, off);
484 continue;
485 }
486
487 switch (genimg_get_format(buffer)) {
488#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
489 case IMAGE_FORMAT_LEGACY:
490 header = (const image_header_t *)buffer;
491
492 len = image_get_image_size(header);
493 nand_imls_legacyimage(mtd, nand_dev, off, len);
494 break;
495#endif
496#if defined(CONFIG_FIT)
497 case IMAGE_FORMAT_FIT:
498 len = fit_get_size(buffer);
499 nand_imls_fitimage(mtd, nand_dev, off, len);
500 break;
501#endif
502 }
503 }
504 }
505
506 return 0;
507}
508#endif
509
510#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
511static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
512{
513 int ret_nor = 0, ret_nand = 0;
514
515#if defined(CONFIG_CMD_IMLS)
516 ret_nor = do_imls_nor();
517#endif
518
519#if defined(CONFIG_CMD_IMLS_NAND)
520 ret_nand = do_imls_nand();
521#endif
522
523 if (ret_nor)
524 return ret_nor;
525
526 if (ret_nand)
527 return ret_nand;
528
529 return (0);
530}
531
532U_BOOT_CMD(
533 imls, 1, 1, do_imls,
534 "list all images found in flash",
535 "\n"
536 " - Prints information about all images found at sector/block\n"
537 " boundaries in nor/nand flash."
538);
539#endif
540
