avr32: use dlmalloc for DMA buffers
[oweals/u-boot.git] / common / cmd_bootm.c
1 /*
2  * (C) Copyright 2000-2009
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 /*
9  * Boot support
10  */
11 #include <common.h>
12 #include <bootm.h>
13 #include <command.h>
14 #include <environment.h>
15 #include <errno.h>
16 #include <image.h>
17 #include <lmb.h>
18 #include <malloc.h>
19 #include <nand.h>
20 #include <asm/byteorder.h>
21 #include <linux/compiler.h>
22 #include <linux/ctype.h>
23 #include <linux/err.h>
24 #include <u-boot/zlib.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 #if defined(CONFIG_CMD_IMI)
29 static int image_info(unsigned long addr);
30 #endif
31
32 #if defined(CONFIG_CMD_IMLS)
33 #include <flash.h>
34 #include <mtd/cfi_flash.h>
35 extern flash_info_t flash_info[]; /* info for FLASH chips */
36 #endif
37
38 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
39 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
40 #endif
41
42 bootm_headers_t images;         /* pointers to os/initrd/fdt images */
43
44 /* we overload the cmd field with our state machine info instead of a
45  * function pointer */
46 static cmd_tbl_t cmd_bootm_sub[] = {
47         U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
48         U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
49 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
50         U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
51 #endif
52 #ifdef CONFIG_OF_LIBFDT
53         U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
54 #endif
55         U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
56         U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
57         U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
58         U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
59         U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
60 };
61
62 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
63                         char * const argv[])
64 {
65         int ret = 0;
66         long state;
67         cmd_tbl_t *c;
68
69         c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
70         argc--; argv++;
71
72         if (c) {
73                 state = (long)c->cmd;
74                 if (state == BOOTM_STATE_START)
75                         state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
76         } else {
77                 /* Unrecognized command */
78                 return CMD_RET_USAGE;
79         }
80
81         if (state != BOOTM_STATE_START && images.state >= state) {
82                 printf("Trying to execute a command out of order\n");
83                 return CMD_RET_USAGE;
84         }
85
86         ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
87
88         return ret;
89 }
90
91 /*******************************************************************/
92 /* bootm - boot application image from image in memory */
93 /*******************************************************************/
94
95 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
96 {
97 #ifdef CONFIG_NEEDS_MANUAL_RELOC
98         static int relocated = 0;
99
100         if (!relocated) {
101                 int i;
102
103                 /* relocate names of sub-command table */
104                 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
105                         cmd_bootm_sub[i].name += gd->reloc_off;
106
107                 relocated = 1;
108         }
109 #endif
110
111         /* determine if we have a sub command */
112         argc--; argv++;
113         if (argc > 0) {
114                 char *endp;
115
116                 simple_strtoul(argv[0], &endp, 16);
117                 /* endp pointing to NULL means that argv[0] was just a
118                  * valid number, pass it along to the normal bootm processing
119                  *
120                  * If endp is ':' or '#' assume a FIT identifier so pass
121                  * along for normal processing.
122                  *
123                  * Right now we assume the first arg should never be '-'
124                  */
125                 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
126                         return do_bootm_subcommand(cmdtp, flag, argc, argv);
127         }
128
129         return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
130                 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
131                 BOOTM_STATE_LOADOS |
132 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
133                 BOOTM_STATE_OS_CMDLINE |
134 #endif
135                 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
136                 BOOTM_STATE_OS_GO, &images, 1);
137 }
138
139 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
140 {
141         const char *ep = getenv("autostart");
142
143         if (ep && !strcmp(ep, "yes")) {
144                 char *local_args[2];
145                 local_args[0] = (char *)cmd;
146                 local_args[1] = NULL;
147                 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
148                 return do_bootm(cmdtp, 0, 1, local_args);
149         }
150
151         return 0;
152 }
153
154 #ifdef CONFIG_SYS_LONGHELP
155 static char bootm_help_text[] =
156         "[addr [arg ...]]\n    - boot application image stored in memory\n"
157         "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
158         "\t'arg' can be the address of an initrd image\n"
159 #if defined(CONFIG_OF_LIBFDT)
160         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
161         "\ta third argument is required which is the address of the\n"
162         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
163         "\tuse a '-' for the second argument. If you do not pass a third\n"
164         "\ta bd_info struct will be passed instead\n"
165 #endif
166 #if defined(CONFIG_FIT)
167         "\t\nFor the new multi component uImage format (FIT) addresses\n"
168         "\tmust be extened to include component or configuration unit name:\n"
169         "\taddr:<subimg_uname> - direct component image specification\n"
170         "\taddr#<conf_uname>   - configuration specification\n"
171         "\tUse iminfo command to get the list of existing component\n"
172         "\timages and configurations.\n"
173 #endif
174         "\nSub-commands to do part of the bootm sequence.  The sub-commands "
175         "must be\n"
176         "issued in the order below (it's ok to not issue all sub-commands):\n"
177         "\tstart [addr [arg ...]]\n"
178         "\tloados  - load OS image\n"
179 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
180         "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
181 #endif
182 #if defined(CONFIG_OF_LIBFDT)
183         "\tfdt     - relocate flat device tree\n"
184 #endif
185         "\tcmdline - OS specific command line processing/setup\n"
186         "\tbdt     - OS specific bd_t processing\n"
187         "\tprep    - OS specific prep before relocation or go\n"
188 #if defined(CONFIG_TRACE)
189         "\tfake    - OS specific fake start without go\n"
190 #endif
191         "\tgo      - start OS";
192 #endif
193
194 U_BOOT_CMD(
195         bootm,  CONFIG_SYS_MAXARGS,     1,      do_bootm,
196         "boot application image from memory", bootm_help_text
197 );
198
199 /*******************************************************************/
200 /* bootd - boot default image */
201 /*******************************************************************/
202 #if defined(CONFIG_CMD_BOOTD)
203 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
204 {
205         return run_command(getenv("bootcmd"), flag);
206 }
207
208 U_BOOT_CMD(
209         boot,   1,      1,      do_bootd,
210         "boot default, i.e., run 'bootcmd'",
211         ""
212 );
213
214 /* keep old command name "bootd" for backward compatibility */
215 U_BOOT_CMD(
216         bootd, 1,       1,      do_bootd,
217         "boot default, i.e., run 'bootcmd'",
218         ""
219 );
220
221 #endif
222
223
224 /*******************************************************************/
225 /* iminfo - print header info for a requested image */
226 /*******************************************************************/
227 #if defined(CONFIG_CMD_IMI)
228 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
229 {
230         int     arg;
231         ulong   addr;
232         int     rcode = 0;
233
234         if (argc < 2) {
235                 return image_info(load_addr);
236         }
237
238         for (arg = 1; arg < argc; ++arg) {
239                 addr = simple_strtoul(argv[arg], NULL, 16);
240                 if (image_info(addr) != 0)
241                         rcode = 1;
242         }
243         return rcode;
244 }
245
246 static int image_info(ulong addr)
247 {
248         void *hdr = (void *)addr;
249
250         printf("\n## Checking Image at %08lx ...\n", addr);
251
252         switch (genimg_get_format(hdr)) {
253 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
254         case IMAGE_FORMAT_LEGACY:
255                 puts("   Legacy image found\n");
256                 if (!image_check_magic(hdr)) {
257                         puts("   Bad Magic Number\n");
258                         return 1;
259                 }
260
261                 if (!image_check_hcrc(hdr)) {
262                         puts("   Bad Header Checksum\n");
263                         return 1;
264                 }
265
266                 image_print_contents(hdr);
267
268                 puts("   Verifying Checksum ... ");
269                 if (!image_check_dcrc(hdr)) {
270                         puts("   Bad Data CRC\n");
271                         return 1;
272                 }
273                 puts("OK\n");
274                 return 0;
275 #endif
276 #if defined(CONFIG_FIT)
277         case IMAGE_FORMAT_FIT:
278                 puts("   FIT image found\n");
279
280                 if (!fit_check_format(hdr)) {
281                         puts("Bad FIT image format!\n");
282                         return 1;
283                 }
284
285                 fit_print_contents(hdr);
286
287                 if (!fit_all_image_verify(hdr)) {
288                         puts("Bad hash in FIT image!\n");
289                         return 1;
290                 }
291
292                 return 0;
293 #endif
294         default:
295                 puts("Unknown image format!\n");
296                 break;
297         }
298
299         return 1;
300 }
301
302 U_BOOT_CMD(
303         iminfo, CONFIG_SYS_MAXARGS,     1,      do_iminfo,
304         "print header information for application image",
305         "addr [addr ...]\n"
306         "    - print header information for application image starting at\n"
307         "      address 'addr' in memory; this includes verification of the\n"
308         "      image contents (magic number, header and payload checksums)"
309 );
310 #endif
311
312
313 /*******************************************************************/
314 /* imls - list all images found in flash */
315 /*******************************************************************/
316 #if defined(CONFIG_CMD_IMLS)
317 static int do_imls_nor(void)
318 {
319         flash_info_t *info;
320         int i, j;
321         void *hdr;
322
323         for (i = 0, info = &flash_info[0];
324                 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
325
326                 if (info->flash_id == FLASH_UNKNOWN)
327                         goto next_bank;
328                 for (j = 0; j < info->sector_count; ++j) {
329
330                         hdr = (void *)info->start[j];
331                         if (!hdr)
332                                 goto next_sector;
333
334                         switch (genimg_get_format(hdr)) {
335 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
336                         case IMAGE_FORMAT_LEGACY:
337                                 if (!image_check_hcrc(hdr))
338                                         goto next_sector;
339
340                                 printf("Legacy Image at %08lX:\n", (ulong)hdr);
341                                 image_print_contents(hdr);
342
343                                 puts("   Verifying Checksum ... ");
344                                 if (!image_check_dcrc(hdr)) {
345                                         puts("Bad Data CRC\n");
346                                 } else {
347                                         puts("OK\n");
348                                 }
349                                 break;
350 #endif
351 #if defined(CONFIG_FIT)
352                         case IMAGE_FORMAT_FIT:
353                                 if (!fit_check_format(hdr))
354                                         goto next_sector;
355
356                                 printf("FIT Image at %08lX:\n", (ulong)hdr);
357                                 fit_print_contents(hdr);
358                                 break;
359 #endif
360                         default:
361                                 goto next_sector;
362                         }
363
364 next_sector:            ;
365                 }
366 next_bank:      ;
367         }
368         return 0;
369 }
370 #endif
371
372 #if defined(CONFIG_CMD_IMLS_NAND)
373 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
374                 size_t len)
375 {
376         void *imgdata;
377         int ret;
378
379         imgdata = malloc(len);
380         if (!imgdata) {
381                 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
382                                 nand_dev, off);
383                 printf("   Low memory(cannot allocate memory for image)\n");
384                 return -ENOMEM;
385         }
386
387         ret = nand_read_skip_bad(nand, off, &len,
388                         imgdata);
389         if (ret < 0 && ret != -EUCLEAN) {
390                 free(imgdata);
391                 return ret;
392         }
393
394         if (!image_check_hcrc(imgdata)) {
395                 free(imgdata);
396                 return 0;
397         }
398
399         printf("Legacy Image at NAND device %d offset %08llX:\n",
400                         nand_dev, off);
401         image_print_contents(imgdata);
402
403         puts("   Verifying Checksum ... ");
404         if (!image_check_dcrc(imgdata))
405                 puts("Bad Data CRC\n");
406         else
407                 puts("OK\n");
408
409         free(imgdata);
410
411         return 0;
412 }
413
414 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
415                 size_t len)
416 {
417         void *imgdata;
418         int ret;
419
420         imgdata = malloc(len);
421         if (!imgdata) {
422                 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
423                                 nand_dev, off);
424                 printf("   Low memory(cannot allocate memory for image)\n");
425                 return -ENOMEM;
426         }
427
428         ret = nand_read_skip_bad(nand, off, &len,
429                         imgdata);
430         if (ret < 0 && ret != -EUCLEAN) {
431                 free(imgdata);
432                 return ret;
433         }
434
435         if (!fit_check_format(imgdata)) {
436                 free(imgdata);
437                 return 0;
438         }
439
440         printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
441
442         fit_print_contents(imgdata);
443         free(imgdata);
444
445         return 0;
446 }
447
448 static int do_imls_nand(void)
449 {
450         nand_info_t *nand;
451         int nand_dev = nand_curr_device;
452         size_t len;
453         loff_t off;
454         u32 buffer[16];
455
456         if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
457                 puts("\nNo NAND devices available\n");
458                 return -ENODEV;
459         }
460
461         printf("\n");
462
463         for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
464                 nand = &nand_info[nand_dev];
465                 if (!nand->name || !nand->size)
466                         continue;
467
468                 for (off = 0; off < nand->size; off += nand->erasesize) {
469                         const image_header_t *header;
470                         int ret;
471
472                         if (nand_block_isbad(nand, off))
473                                 continue;
474
475                         len = sizeof(buffer);
476
477                         ret = nand_read(nand, off, &len, (u8 *)buffer);
478                         if (ret < 0 && ret != -EUCLEAN) {
479                                 printf("NAND read error %d at offset %08llX\n",
480                                                 ret, off);
481                                 continue;
482                         }
483
484                         switch (genimg_get_format(buffer)) {
485 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
486                         case IMAGE_FORMAT_LEGACY:
487                                 header = (const image_header_t *)buffer;
488
489                                 len = image_get_image_size(header);
490                                 nand_imls_legacyimage(nand, nand_dev, off, len);
491                                 break;
492 #endif
493 #if defined(CONFIG_FIT)
494                         case IMAGE_FORMAT_FIT:
495                                 len = fit_get_size(buffer);
496                                 nand_imls_fitimage(nand, nand_dev, off, len);
497                                 break;
498 #endif
499                         }
500                 }
501         }
502
503         return 0;
504 }
505 #endif
506
507 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
508 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
509 {
510         int ret_nor = 0, ret_nand = 0;
511
512 #if defined(CONFIG_CMD_IMLS)
513         ret_nor = do_imls_nor();
514 #endif
515
516 #if defined(CONFIG_CMD_IMLS_NAND)
517         ret_nand = do_imls_nand();
518 #endif
519
520         if (ret_nor)
521                 return ret_nor;
522
523         if (ret_nand)
524                 return ret_nand;
525
526         return (0);
527 }
528
529 U_BOOT_CMD(
530         imls,   1,              1,      do_imls,
531         "list all images found in flash",
532         "\n"
533         "    - Prints information about all images found at sector/block\n"
534         "      boundaries in nor/nand flash."
535 );
536 #endif
537
538 #ifdef CONFIG_CMD_BOOTZ
539
540 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
541 {
542         /* Please define bootz_setup() for your platform */
543
544         puts("Your platform's zImage format isn't supported yet!\n");
545         return -1;
546 }
547
548 /*
549  * zImage booting support
550  */
551 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
552                         char * const argv[], bootm_headers_t *images)
553 {
554         int ret;
555         ulong zi_start, zi_end;
556
557         ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
558                               images, 1);
559
560         /* Setup Linux kernel zImage entry point */
561         if (!argc) {
562                 images->ep = load_addr;
563                 debug("*  kernel: default image load address = 0x%08lx\n",
564                                 load_addr);
565         } else {
566                 images->ep = simple_strtoul(argv[0], NULL, 16);
567                 debug("*  kernel: cmdline image address = 0x%08lx\n",
568                         images->ep);
569         }
570
571         ret = bootz_setup(images->ep, &zi_start, &zi_end);
572         if (ret != 0)
573                 return 1;
574
575         lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
576
577         /*
578          * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
579          * have a header that provide this informaiton.
580          */
581         if (bootm_find_ramdisk_fdt(flag, argc, argv))
582                 return 1;
583
584         return 0;
585 }
586
587 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
588 {
589         int ret;
590
591         /* Consume 'bootz' */
592         argc--; argv++;
593
594         if (bootz_start(cmdtp, flag, argc, argv, &images))
595                 return 1;
596
597         /*
598          * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
599          * disable interrupts ourselves
600          */
601         bootm_disable_interrupts();
602
603         images.os.os = IH_OS_LINUX;
604         ret = do_bootm_states(cmdtp, flag, argc, argv,
605                               BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
606                               BOOTM_STATE_OS_GO,
607                               &images, 1);
608
609         return ret;
610 }
611
612 #ifdef CONFIG_SYS_LONGHELP
613 static char bootz_help_text[] =
614         "[addr [initrd[:size]] [fdt]]\n"
615         "    - boot Linux zImage stored in memory\n"
616         "\tThe argument 'initrd' is optional and specifies the address\n"
617         "\tof the initrd in memory. The optional argument ':size' allows\n"
618         "\tspecifying the size of RAW initrd.\n"
619 #if defined(CONFIG_OF_LIBFDT)
620         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
621         "\ta third argument is required which is the address of the\n"
622         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
623         "\tuse a '-' for the second argument. If you do not pass a third\n"
624         "\ta bd_info struct will be passed instead\n"
625 #endif
626         "";
627 #endif
628
629 U_BOOT_CMD(
630         bootz,  CONFIG_SYS_MAXARGS,     1,      do_bootz,
631         "boot Linux zImage image from memory", bootz_help_text
632 );
633 #endif  /* CONFIG_CMD_BOOTZ */
634
635 #ifdef CONFIG_CMD_BOOTI
636 /* See Documentation/arm64/booting.txt in the Linux kernel */
637 struct Image_header {
638         uint32_t        code0;          /* Executable code */
639         uint32_t        code1;          /* Executable code */
640         uint64_t        text_offset;    /* Image load offset, LE */
641         uint64_t        image_size;     /* Effective Image size, LE */
642         uint64_t        res1;           /* reserved */
643         uint64_t        res2;           /* reserved */
644         uint64_t        res3;           /* reserved */
645         uint64_t        res4;           /* reserved */
646         uint32_t        magic;          /* Magic number */
647         uint32_t        res5;
648 };
649
650 #define LINUX_ARM64_IMAGE_MAGIC 0x644d5241
651
652 static int booti_setup(bootm_headers_t *images)
653 {
654         struct Image_header *ih;
655         uint64_t dst;
656
657         ih = (struct Image_header *)map_sysmem(images->ep, 0);
658
659         if (ih->magic != le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC)) {
660                 puts("Bad Linux ARM64 Image magic!\n");
661                 return 1;
662         }
663         
664         if (ih->image_size == 0) {
665                 puts("Image lacks image_size field, assuming 16MiB\n");
666                 ih->image_size = (16 << 20);
667         }
668
669         /*
670          * If we are not at the correct run-time location, set the new
671          * correct location and then move the image there.
672          */
673         dst = gd->bd->bi_dram[0].start + le32_to_cpu(ih->text_offset);
674         if (images->ep != dst) {
675                 void *src;
676
677                 debug("Moving Image from 0x%lx to 0x%llx\n", images->ep, dst);
678
679                 src = (void *)images->ep;
680                 images->ep = dst;
681                 memmove((void *)dst, src, le32_to_cpu(ih->image_size));
682         }
683
684         return 0;
685 }
686
687 /*
688  * Image booting support
689  */
690 static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
691                         char * const argv[], bootm_headers_t *images)
692 {
693         int ret;
694         struct Image_header *ih;
695
696         ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
697                               images, 1);
698
699         /* Setup Linux kernel Image entry point */
700         if (!argc) {
701                 images->ep = load_addr;
702                 debug("*  kernel: default image load address = 0x%08lx\n",
703                                 load_addr);
704         } else {
705                 images->ep = simple_strtoul(argv[0], NULL, 16);
706                 debug("*  kernel: cmdline image address = 0x%08lx\n",
707                         images->ep);
708         }
709
710         ret = booti_setup(images);
711         if (ret != 0)
712                 return 1;
713
714         ih = (struct Image_header *)map_sysmem(images->ep, 0);
715
716         lmb_reserve(&images->lmb, images->ep, le32_to_cpu(ih->image_size));
717
718         /*
719          * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
720          * have a header that provide this informaiton.
721          */
722         if (bootm_find_ramdisk_fdt(flag, argc, argv))
723                 return 1;
724
725         return 0;
726 }
727
728 int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
729 {
730         int ret;
731
732         /* Consume 'booti' */
733         argc--; argv++;
734
735         if (booti_start(cmdtp, flag, argc, argv, &images))
736                 return 1;
737
738         /*
739          * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
740          * disable interrupts ourselves
741          */
742         bootm_disable_interrupts();
743
744         images.os.os = IH_OS_LINUX;
745         ret = do_bootm_states(cmdtp, flag, argc, argv,
746                               BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
747                               BOOTM_STATE_OS_GO,
748                               &images, 1);
749
750         return ret;
751 }
752
753 #ifdef CONFIG_SYS_LONGHELP
754 static char booti_help_text[] =
755         "[addr [initrd[:size]] [fdt]]\n"
756         "    - boot Linux Image stored in memory\n"
757         "\tThe argument 'initrd' is optional and specifies the address\n"
758         "\tof the initrd in memory. The optional argument ':size' allows\n"
759         "\tspecifying the size of RAW initrd.\n"
760 #if defined(CONFIG_OF_LIBFDT)
761         "\tSince booting a Linux kernelrequires a flat device-tree\n"
762         "\ta third argument is required which is the address of the\n"
763         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
764         "\tuse a '-' for the second argument.\n"
765 #endif
766         "";
767 #endif
768
769 U_BOOT_CMD(
770         booti,  CONFIG_SYS_MAXARGS,     1,      do_booti,
771         "boot arm64 Linux Image image from memory", booti_help_text
772 );
773 #endif  /* CONFIG_CMD_BOOTI */