2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
34 #include <environment.h>
35 #include <asm/byteorder.h>
38 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
40 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
44 #ifdef CFG_HUSH_PARSER
48 #ifdef CONFIG_SHOW_BOOT_PROGRESS
49 # include <status_led.h>
50 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
52 # define SHOW_BOOT_PROGRESS(arg)
55 #ifdef CFG_INIT_RAM_LOCK
56 #include <asm/cache.h>
59 #ifdef CONFIG_LOGBUFFER
63 #ifdef CONFIG_HAS_DATAFLASH
64 #include <dataflash.h>
68 * Some systems (for example LWMON) have very short watchdog periods;
69 * we must make sure to split long operations like memmove() or
70 * crc32() into reasonable chunks.
72 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
73 # define CHUNKSZ (64 * 1024)
76 int gunzip (void *, int, unsigned char *, int *);
78 static void *zalloc(void *, unsigned, unsigned);
79 static void zfree(void *, void *, unsigned);
81 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
82 static int image_info (unsigned long addr);
85 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
87 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
88 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
91 static void print_type (image_header_t *hdr);
94 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
106 int argc, char *argv[],
107 ulong addr, /* of image to boot */
108 ulong *len_ptr, /* multi-file image length table */
109 int verify); /* getenv("verify")[0] != 'n' */
112 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
116 static boot_os_Fcn do_bootm_linux;
118 extern boot_os_Fcn do_bootm_linux;
120 #ifdef CONFIG_SILENT_CONSOLE
121 static void fixup_silent_linux (void);
123 static boot_os_Fcn do_bootm_netbsd;
124 static boot_os_Fcn do_bootm_rtems;
125 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
126 static boot_os_Fcn do_bootm_vxworks;
127 static boot_os_Fcn do_bootm_qnxelf;
128 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
129 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
130 #endif /* CFG_CMD_ELF */
131 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
132 static boot_os_Fcn do_bootm_artos;
134 #ifdef CONFIG_LYNXKDI
135 static boot_os_Fcn do_bootm_lynxkdi;
136 extern void lynxkdi_boot( image_header_t * );
139 image_header_t header;
141 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
143 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
147 ulong data, len, checksum;
149 uint unc_len = 0x400000;
152 int (*appl)(int, char *[]);
153 image_header_t *hdr = &header;
155 s = getenv ("verify");
156 verify = (s && (*s == 'n')) ? 0 : 1;
161 addr = simple_strtoul(argv[1], NULL, 16);
164 SHOW_BOOT_PROGRESS (1);
165 printf ("## Booting image at %08lx ...\n", addr);
167 /* Copy header so we can blank CRC field for re-calculation */
168 #ifdef CONFIG_HAS_DATAFLASH
169 if (addr_dataflash(addr)){
170 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
173 memmove (&header, (char *)addr, sizeof(image_header_t));
175 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
176 #ifdef __I386__ /* correct image format not implemented yet - fake it */
177 if (fake_header(hdr, (void*)addr, -1) != NULL) {
178 /* to compensate for the addition below */
179 addr -= sizeof(image_header_t);
181 * fake_header() does not fake the data crc
185 #endif /* __I386__ */
187 puts ("Bad Magic Number\n");
188 SHOW_BOOT_PROGRESS (-1);
192 SHOW_BOOT_PROGRESS (2);
194 data = (ulong)&header;
195 len = sizeof(image_header_t);
197 checksum = ntohl(hdr->ih_hcrc);
200 if (crc32 (0, (char *)data, len) != checksum) {
201 puts ("Bad Header Checksum\n");
202 SHOW_BOOT_PROGRESS (-2);
205 SHOW_BOOT_PROGRESS (3);
207 /* for multi-file images we need the data part, too */
208 print_image_hdr ((image_header_t *)addr);
210 data = addr + sizeof(image_header_t);
211 len = ntohl(hdr->ih_size);
213 #ifdef CONFIG_HAS_DATAFLASH
214 if (addr_dataflash(addr)){
215 read_dataflash(data, len, (char *)CFG_LOAD_ADDR);
216 data = CFG_LOAD_ADDR;
221 puts (" Verifying Checksum ... ");
222 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
223 printf ("Bad Data CRC\n");
224 SHOW_BOOT_PROGRESS (-3);
229 SHOW_BOOT_PROGRESS (4);
231 len_ptr = (ulong *)data;
234 if (hdr->ih_arch != IH_CPU_PPC)
235 #elif defined(__ARM__)
236 if (hdr->ih_arch != IH_CPU_ARM)
237 #elif defined(__I386__)
238 if (hdr->ih_arch != IH_CPU_I386)
239 #elif defined(__mips__)
240 if (hdr->ih_arch != IH_CPU_MIPS)
241 #elif defined(__nios__)
242 if (hdr->ih_arch != IH_CPU_NIOS)
243 #elif defined(__M68K__)
244 if (hdr->ih_arch != IH_CPU_M68K)
245 #elif defined(__microblaze__)
246 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
248 # error Unknown CPU type
251 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
252 SHOW_BOOT_PROGRESS (-4);
255 SHOW_BOOT_PROGRESS (5);
257 switch (hdr->ih_type) {
258 case IH_TYPE_STANDALONE:
259 name = "Standalone Application";
260 /* A second argument overwrites the load address */
262 hdr->ih_load = simple_strtoul(argv[2], NULL, 16);
266 name = "Kernel Image";
269 name = "Multi-File Image";
270 len = ntohl(len_ptr[0]);
271 /* OS kernel is always the first image */
272 data += 8; /* kernel_len + terminator */
273 for (i=1; len_ptr[i]; ++i)
276 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
277 SHOW_BOOT_PROGRESS (-5);
280 SHOW_BOOT_PROGRESS (6);
283 * We have reached the point of no return: we are going to
284 * overwrite all exception vector code, so we cannot easily
285 * recover from any failures any more...
288 iflag = disable_interrupts();
290 #ifdef CONFIG_AMIGAONEG3SE
292 * We've possible left the caches enabled during
293 * bios emulation, so turn them off again
296 invalidate_l1_instruction_cache();
301 switch (hdr->ih_comp) {
303 if(ntohl(hdr->ih_load) == addr) {
304 printf (" XIP %s ... ", name);
306 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
308 void *to = (void *)ntohl(hdr->ih_load);
309 void *from = (void *)data;
311 printf (" Loading %s ... ", name);
314 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
316 memmove (to, from, tail);
321 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
322 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
323 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
327 printf (" Uncompressing %s ... ", name);
328 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
329 (uchar *)data, (int *)&len) != 0) {
330 puts ("GUNZIP ERROR - must RESET board to recover\n");
331 SHOW_BOOT_PROGRESS (-6);
332 do_reset (cmdtp, flag, argc, argv);
337 printf (" Uncompressing %s ... ", name);
339 * If we've got less than 4 MB of malloc() space,
340 * use slower decompression algorithm which requires
341 * at most 2300 KB of memory.
343 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
344 &unc_len, (char *)data, len,
345 CFG_MALLOC_LEN < (4096 * 1024), 0);
347 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
348 SHOW_BOOT_PROGRESS (-6);
350 do_reset (cmdtp, flag, argc, argv);
353 #endif /* CONFIG_BZIP2 */
357 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
358 SHOW_BOOT_PROGRESS (-7);
362 SHOW_BOOT_PROGRESS (7);
364 switch (hdr->ih_type) {
365 case IH_TYPE_STANDALONE:
369 /* load (and uncompress), but don't start if "autostart"
372 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
374 sprintf(buf, "%lX", len);
375 setenv("filesize", buf);
378 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
379 (*appl)(argc-1, &argv[1]);
388 printf ("Can't boot image type %d\n", hdr->ih_type);
389 SHOW_BOOT_PROGRESS (-8);
392 SHOW_BOOT_PROGRESS (8);
394 switch (hdr->ih_os) {
395 default: /* handled by (original) Linux case */
397 #ifdef CONFIG_SILENT_CONSOLE
398 fixup_silent_linux();
400 do_bootm_linux (cmdtp, flag, argc, argv,
401 addr, len_ptr, verify);
404 do_bootm_netbsd (cmdtp, flag, argc, argv,
405 addr, len_ptr, verify);
408 #ifdef CONFIG_LYNXKDI
410 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
411 addr, len_ptr, verify);
416 do_bootm_rtems (cmdtp, flag, argc, argv,
417 addr, len_ptr, verify);
420 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
422 do_bootm_vxworks (cmdtp, flag, argc, argv,
423 addr, len_ptr, verify);
426 do_bootm_qnxelf (cmdtp, flag, argc, argv,
427 addr, len_ptr, verify);
429 #endif /* CFG_CMD_ELF */
432 do_bootm_artos (cmdtp, flag, argc, argv,
433 addr, len_ptr, verify);
438 SHOW_BOOT_PROGRESS (-9);
440 puts ("\n## Control returned to monitor - resetting...\n");
441 do_reset (cmdtp, flag, argc, argv);
447 bootm, CFG_MAXARGS, 1, do_bootm,
448 "bootm - boot application image from memory\n",
449 "[addr [arg ...]]\n - boot application image stored in memory\n"
450 " passing arguments 'arg ...'; when booting a Linux kernel,\n"
451 " 'arg' can be the address of an initrd image\n"
454 #ifdef CONFIG_SILENT_CONSOLE
456 fixup_silent_linux ()
458 DECLARE_GLOBAL_DATA_PTR;
459 char buf[256], *start, *end;
460 char *cmdline = getenv ("bootargs");
462 /* Only fix cmdline when requested */
463 if (!(gd->flags & GD_FLG_SILENT))
466 debug ("before silent fix-up: %s\n", cmdline);
468 if ((start = strstr (cmdline, "console=")) != NULL) {
469 end = strchr (start, ' ');
470 strncpy (buf, cmdline, (start - cmdline + 8));
472 strcpy (buf + (start - cmdline + 8), end);
474 buf[start - cmdline + 8] = '\0';
476 strcpy (buf, cmdline);
477 strcat (buf, " console=");
480 strcpy (buf, "console=");
483 setenv ("bootargs", buf);
484 debug ("after silent fix-up: %s\n", buf);
486 #endif /* CONFIG_SILENT_CONSOLE */
490 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
491 int argc, char *argv[],
496 DECLARE_GLOBAL_DATA_PTR;
500 ulong initrd_start, initrd_end;
501 ulong cmd_start, cmd_end;
504 int initrd_copy_to_ram = 1;
508 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
509 image_header_t *hdr = &header;
511 if ((s = getenv ("initrd_high")) != NULL) {
512 /* a value of "no" or a similar string will act like 0,
513 * turning the "load high" feature off. This is intentional.
515 initrd_high = simple_strtoul(s, NULL, 16);
516 if (initrd_high == ~0)
517 initrd_copy_to_ram = 0;
518 } else { /* not set, no restrictions to load high */
522 #ifdef CONFIG_LOGBUFFER
524 /* Prevent initrd from overwriting logbuffer */
525 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
526 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
527 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
531 * Booting a (Linux) kernel image
533 * Allocate space for command line and board info - the
534 * address should be as high as possible within the reach of
535 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
536 * memory, which means far enough below the current stack
540 asm( "mr %0,1": "=r"(sp) : );
542 debug ("## Current stack ends at 0x%08lX ", sp);
544 sp -= 2048; /* just to be sure */
545 if (sp > CFG_BOOTMAPSZ)
549 debug ("=> set upper limit to 0x%08lX\n", sp);
551 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
552 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
554 if ((s = getenv("bootargs")) == NULL)
559 cmd_start = (ulong)&cmdline[0];
560 cmd_end = cmd_start + strlen(cmdline);
565 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
567 do_bdinfo (NULL, 0, 0, NULL);
570 if ((s = getenv ("clocks_in_mhz")) != NULL) {
571 /* convert all clock information to MHz */
572 kbd->bi_intfreq /= 1000000L;
573 kbd->bi_busfreq /= 1000000L;
574 #if defined(CONFIG_8260) || defined(CONFIG_MPC8560)
575 kbd->bi_cpmfreq /= 1000000L;
576 kbd->bi_brgfreq /= 1000000L;
577 kbd->bi_sccfreq /= 1000000L;
578 kbd->bi_vco /= 1000000L;
579 #endif /* CONFIG_8260 */
580 #if defined(CONFIG_MPC5xxx)
581 kbd->bi_ipbfreq /= 1000000L;
582 kbd->bi_pcifreq /= 1000000L;
583 #endif /* CONFIG_MPC5xxx */
586 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
589 * Check if there is an initrd image
592 SHOW_BOOT_PROGRESS (9);
594 addr = simple_strtoul(argv[2], NULL, 16);
596 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
598 /* Copy header so we can blank CRC field for re-calculation */
599 memmove (&header, (char *)addr, sizeof(image_header_t));
601 if (hdr->ih_magic != IH_MAGIC) {
602 puts ("Bad Magic Number\n");
603 SHOW_BOOT_PROGRESS (-10);
604 do_reset (cmdtp, flag, argc, argv);
607 data = (ulong)&header;
608 len = sizeof(image_header_t);
610 checksum = hdr->ih_hcrc;
613 if (crc32 (0, (char *)data, len) != checksum) {
614 puts ("Bad Header Checksum\n");
615 SHOW_BOOT_PROGRESS (-11);
616 do_reset (cmdtp, flag, argc, argv);
619 SHOW_BOOT_PROGRESS (10);
621 print_image_hdr (hdr);
623 data = addr + sizeof(image_header_t);
628 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
629 ulong cdata = data, edata = cdata + len;
630 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
632 puts (" Verifying Checksum ... ");
634 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
636 while (cdata < edata) {
637 ulong chunk = edata - cdata;
641 csum = crc32 (csum, (char *)cdata, chunk);
646 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
647 csum = crc32 (0, (char *)data, len);
648 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
650 if (csum != hdr->ih_dcrc) {
651 puts ("Bad Data CRC\n");
652 SHOW_BOOT_PROGRESS (-12);
653 do_reset (cmdtp, flag, argc, argv);
658 SHOW_BOOT_PROGRESS (11);
660 if ((hdr->ih_os != IH_OS_LINUX) ||
661 (hdr->ih_arch != IH_CPU_PPC) ||
662 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
663 puts ("No Linux PPC Ramdisk Image\n");
664 SHOW_BOOT_PROGRESS (-13);
665 do_reset (cmdtp, flag, argc, argv);
669 * Now check if we have a multifile image
671 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
672 u_long tail = ntohl(len_ptr[0]) % 4;
675 SHOW_BOOT_PROGRESS (13);
677 /* skip kernel length and terminator */
678 data = (ulong)(&len_ptr[2]);
679 /* skip any additional image length fields */
680 for (i=1; len_ptr[i]; ++i)
682 /* add kernel length, and align */
683 data += ntohl(len_ptr[0]);
688 len = ntohl(len_ptr[1]);
694 SHOW_BOOT_PROGRESS (14);
700 debug ("No initrd\n");
704 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
706 initrd_end = initrd_start + len;
708 initrd_start = (ulong)kbd - len;
709 initrd_start &= ~(4096 - 1); /* align on page */
715 * the inital ramdisk does not need to be within
716 * CFG_BOOTMAPSZ as it is not accessed until after
717 * the mm system is initialised.
719 * do the stack bottom calculation again and see if
720 * the initrd will fit just below the monitor stack
721 * bottom without overwriting the area allocated
722 * above for command line args and board info.
724 asm( "mr %0,1": "=r"(nsp) : );
725 nsp -= 2048; /* just to be sure */
727 if (nsp > initrd_high) /* limit as specified */
730 nsp &= ~(4096 - 1); /* align on page */
735 SHOW_BOOT_PROGRESS (12);
737 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
738 data, data + len - 1, len, len);
740 initrd_end = initrd_start + len;
741 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
742 initrd_start, initrd_end);
743 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
746 void *to = (void *)initrd_start;
747 void *from = (void *)data;
750 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
752 memmove (to, from, tail);
758 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
759 memmove ((void *)initrd_start, (void *)data, len);
760 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
769 debug ("## Transferring control to Linux (at address %08lx) ...\n",
772 SHOW_BOOT_PROGRESS (15);
774 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
775 unlock_ram_in_cache();
778 * Linux Kernel Parameters:
779 * r3: ptr to board info data
780 * r4: initrd_start or 0 if no initrd
781 * r5: initrd_end - unused if r4 is 0
782 * r6: Start of command line string
783 * r7: End of command line string
785 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
787 #endif /* CONFIG_PPC */
790 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
791 int argc, char *argv[],
796 DECLARE_GLOBAL_DATA_PTR;
798 image_header_t *hdr = &header;
800 void (*loader)(bd_t *, image_header_t *, char *, char *);
801 image_header_t *img_addr;
807 * Booting a (NetBSD) kernel image
809 * This process is pretty similar to a standalone application:
810 * The (first part of an multi-) image must be a stage-2 loader,
811 * which in turn is responsible for loading & invoking the actual
812 * kernel. The only differences are the parameters being passed:
813 * besides the board info strucure, the loader expects a command
814 * line, the name of the console device, and (optionally) the
815 * address of the original image header.
819 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
820 img_addr = (image_header_t *) addr;
824 #if defined (CONFIG_8xx_CONS_SMC1)
826 #elif defined (CONFIG_8xx_CONS_SMC2)
828 #elif defined (CONFIG_8xx_CONS_SCC2)
830 #elif defined (CONFIG_8xx_CONS_SCC3)
838 for (i=2, len=0 ; i<argc ; i+=1)
839 len += strlen (argv[i]) + 1;
840 cmdline = malloc (len);
842 for (i=2, len=0 ; i<argc ; i+=1) {
844 cmdline[len++] = ' ';
845 strcpy (&cmdline[len], argv[i]);
846 len += strlen (argv[i]);
848 } else if ((cmdline = getenv("bootargs")) == NULL) {
852 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
854 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
857 SHOW_BOOT_PROGRESS (15);
860 * NetBSD Stage-2 Loader Parameters:
861 * r3: ptr to board info data
864 * r6: boot args string
866 (*loader) (gd->bd, img_addr, consdev, cmdline);
869 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
871 /* Function that returns a character from the environment */
872 extern uchar (*env_get_char)(int);
875 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
876 int argc, char *argv[],
881 DECLARE_GLOBAL_DATA_PTR;
885 int i, j, nxt, len, envno, envsz;
887 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
888 image_header_t *hdr = &header;
891 * Booting an ARTOS kernel image + application
894 /* this used to be the top of memory, but was wrong... */
896 /* get stack pointer */
897 asm volatile ("mr %0,1" : "=r"(top) );
899 debug ("## Current stack ends at 0x%08lX ", top);
901 top -= 2048; /* just to be sure */
902 if (top > CFG_BOOTMAPSZ)
906 debug ("=> set upper limit to 0x%08lX\n", top);
908 /* first check the artos specific boot args, then the linux args*/
909 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
912 /* get length of cmdline, and place it */
914 top = (top - (len + 1)) & ~0xF;
915 cmdline = (char *)top;
916 debug ("## cmdline at 0x%08lX ", top);
920 top = (top - sizeof(bd_t)) & ~0xF;
921 debug ("## bd at 0x%08lX ", top);
923 memcpy(kbd, gd->bd, sizeof(bd_t));
925 /* first find number of env entries, and their size */
928 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
929 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
932 envsz += (nxt - i) + 1; /* plus trailing zero */
934 envno++; /* plus the terminating zero */
935 debug ("## %u envvars total size %u ", envno, envsz);
937 top = (top - sizeof(char **)*envno) & ~0xF;
938 fwenv = (char **)top;
939 debug ("## fwenv at 0x%08lX ", top);
941 top = (top - envsz) & ~0xF;
946 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
947 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
950 for (j = i; j < nxt; ++j)
951 *s++ = env_get_char(j);
954 *ss++ = NULL; /* terminate */
956 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
957 (*entry)(kbd, cmdline, fwenv, top);
962 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
963 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
966 #ifndef CFG_HUSH_PARSER
967 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
969 if (parse_string_outer(getenv("bootcmd"),
970 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
976 boot, 1, 1, do_bootd,
977 "boot - boot default, i.e., run 'bootcmd'\n",
981 /* keep old command name "bootd" for backward compatibility */
983 bootd, 1, 1, do_bootd,
984 "bootd - boot default, i.e., run 'bootcmd'\n",
990 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
991 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
998 return image_info (load_addr);
1001 for (arg=1; arg <argc; ++arg) {
1002 addr = simple_strtoul(argv[arg], NULL, 16);
1003 if (image_info (addr) != 0) rcode = 1;
1008 static int image_info (ulong addr)
1010 ulong data, len, checksum;
1011 image_header_t *hdr = &header;
1013 printf ("\n## Checking Image at %08lx ...\n", addr);
1015 /* Copy header so we can blank CRC field for re-calculation */
1016 memmove (&header, (char *)addr, sizeof(image_header_t));
1018 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1019 puts (" Bad Magic Number\n");
1023 data = (ulong)&header;
1024 len = sizeof(image_header_t);
1026 checksum = ntohl(hdr->ih_hcrc);
1029 if (crc32 (0, (char *)data, len) != checksum) {
1030 puts (" Bad Header Checksum\n");
1034 /* for multi-file images we need the data part, too */
1035 print_image_hdr ((image_header_t *)addr);
1037 data = addr + sizeof(image_header_t);
1038 len = ntohl(hdr->ih_size);
1040 puts (" Verifying Checksum ... ");
1041 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1042 puts (" Bad Data CRC\n");
1050 iminfo, CFG_MAXARGS, 1, do_iminfo,
1051 "iminfo - print header information for application image\n",
1053 " - print header information for application image starting at\n"
1054 " address 'addr' in memory; this includes verification of the\n"
1055 " image contents (magic number, header and payload checksums)\n"
1058 #endif /* CFG_CMD_IMI */
1060 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1061 /*-----------------------------------------------------------------------
1062 * List all images found in flash.
1064 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1068 image_header_t *hdr;
1069 ulong data, len, checksum;
1071 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1072 if (info->flash_id == FLASH_UNKNOWN)
1074 for (j=0; j<CFG_MAX_FLASH_SECT; ++j) {
1076 if (!(hdr=(image_header_t *)info->start[j]) ||
1077 (ntohl(hdr->ih_magic) != IH_MAGIC))
1080 /* Copy header so we can blank CRC field for re-calculation */
1081 memmove (&header, (char *)hdr, sizeof(image_header_t));
1083 checksum = ntohl(header.ih_hcrc);
1086 if (crc32 (0, (char *)&header, sizeof(image_header_t))
1090 printf ("Image at %08lX:\n", (ulong)hdr);
1091 print_image_hdr( hdr );
1093 data = (ulong)hdr + sizeof(image_header_t);
1094 len = ntohl(hdr->ih_size);
1096 puts (" Verifying Checksum ... ");
1097 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1098 puts (" Bad Data CRC\n");
1110 imls, 1, 1, do_imls,
1111 "imls - list all images found in flash\n",
1113 " - Prints information about all images found at sector\n"
1114 " boundaries in flash.\n"
1116 #endif /* CFG_CMD_IMLS */
1119 print_image_hdr (image_header_t *hdr)
1121 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1122 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1126 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1127 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1128 to_tm (timestamp, &tm);
1129 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1130 tm.tm_year, tm.tm_mon, tm.tm_mday,
1131 tm.tm_hour, tm.tm_min, tm.tm_sec);
1132 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1133 puts (" Image Type: "); print_type(hdr);
1134 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1135 print_size (ntohl(hdr->ih_size), "\n");
1136 printf (" Load Address: %08x\n"
1137 " Entry Point: %08x\n",
1138 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1140 if (hdr->ih_type == IH_TYPE_MULTI) {
1143 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1145 puts (" Contents:\n");
1146 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1147 printf (" Image %d: %8ld Bytes = ", i, len);
1148 print_size (len, "\n");
1155 print_type (image_header_t *hdr)
1157 char *os, *arch, *type, *comp;
1159 switch (hdr->ih_os) {
1160 case IH_OS_INVALID: os = "Invalid OS"; break;
1161 case IH_OS_NETBSD: os = "NetBSD"; break;
1162 case IH_OS_LINUX: os = "Linux"; break;
1163 case IH_OS_VXWORKS: os = "VxWorks"; break;
1164 case IH_OS_QNX: os = "QNX"; break;
1165 case IH_OS_U_BOOT: os = "U-Boot"; break;
1166 case IH_OS_RTEMS: os = "RTEMS"; break;
1168 case IH_OS_ARTOS: os = "ARTOS"; break;
1170 #ifdef CONFIG_LYNXKDI
1171 case IH_OS_LYNXOS: os = "LynxOS"; break;
1173 default: os = "Unknown OS"; break;
1176 switch (hdr->ih_arch) {
1177 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1178 case IH_CPU_ALPHA: arch = "Alpha"; break;
1179 case IH_CPU_ARM: arch = "ARM"; break;
1180 case IH_CPU_I386: arch = "Intel x86"; break;
1181 case IH_CPU_IA64: arch = "IA64"; break;
1182 case IH_CPU_MIPS: arch = "MIPS"; break;
1183 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1184 case IH_CPU_PPC: arch = "PowerPC"; break;
1185 case IH_CPU_S390: arch = "IBM S390"; break;
1186 case IH_CPU_SH: arch = "SuperH"; break;
1187 case IH_CPU_SPARC: arch = "SPARC"; break;
1188 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1189 case IH_CPU_M68K: arch = "M68K"; break;
1190 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1191 default: arch = "Unknown Architecture"; break;
1194 switch (hdr->ih_type) {
1195 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1196 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1197 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1198 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1199 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1200 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1201 case IH_TYPE_SCRIPT: type = "Script"; break;
1202 default: type = "Unknown Image"; break;
1205 switch (hdr->ih_comp) {
1206 case IH_COMP_NONE: comp = "uncompressed"; break;
1207 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1208 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1209 default: comp = "unknown compression"; break;
1212 printf ("%s %s %s (%s)", arch, os, type, comp);
1215 #define ZALLOC_ALIGNMENT 16
1217 static void *zalloc(void *x, unsigned items, unsigned size)
1222 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1229 static void zfree(void *x, void *addr, unsigned nb)
1235 #define EXTRA_FIELD 4
1237 #define COMMENT 0x10
1238 #define RESERVED 0xe0
1242 int gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
1250 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1251 puts ("Error: Bad gzipped data\n");
1254 if ((flags & EXTRA_FIELD) != 0)
1255 i = 12 + src[10] + (src[11] << 8);
1256 if ((flags & ORIG_NAME) != 0)
1257 while (src[i++] != 0)
1259 if ((flags & COMMENT) != 0)
1260 while (src[i++] != 0)
1262 if ((flags & HEAD_CRC) != 0)
1265 puts ("Error: gunzip out of data in header\n");
1271 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1272 s.outcb = (cb_func)WATCHDOG_RESET;
1275 #endif /* CONFIG_HW_WATCHDOG */
1277 r = inflateInit2(&s, -MAX_WBITS);
1279 printf ("Error: inflateInit2() returned %d\n", r);
1282 s.next_in = src + i;
1283 s.avail_in = *lenp - i;
1285 s.avail_out = dstlen;
1286 r = inflate(&s, Z_FINISH);
1287 if (r != Z_OK && r != Z_STREAM_END) {
1288 printf ("Error: inflate() returned %d\n", r);
1291 *lenp = s.next_out - (unsigned char *) dst;
1298 void bz_internal_error(int errcode)
1300 printf ("BZIP2 internal error %d\n", errcode);
1302 #endif /* CONFIG_BZIP2 */
1305 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1306 ulong addr, ulong *len_ptr, int verify)
1308 DECLARE_GLOBAL_DATA_PTR;
1309 image_header_t *hdr = &header;
1310 void (*entry_point)(bd_t *);
1312 entry_point = (void (*)(bd_t *)) hdr->ih_ep;
1314 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1315 (ulong)entry_point);
1317 SHOW_BOOT_PROGRESS (15);
1321 * r3: ptr to board info data
1324 (*entry_point ) ( gd->bd );
1327 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1329 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1330 ulong addr, ulong *len_ptr, int verify)
1332 image_header_t *hdr = &header;
1335 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1336 setenv("loadaddr", str);
1337 do_bootvx(cmdtp, 0, 0, NULL);
1341 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1342 ulong addr, ulong *len_ptr, int verify)
1344 image_header_t *hdr = &header;
1345 char *local_args[2];
1348 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1349 local_args[0] = argv[0];
1350 local_args[1] = str; /* and provide it via the arguments */
1351 do_bootelf(cmdtp, 0, 2, local_args);
1353 #endif /* CFG_CMD_ELF */
1355 #ifdef CONFIG_LYNXKDI
1357 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1358 int argc, char *argv[],
1363 lynxkdi_boot( &header );
1366 #endif /* CONFIG_LYNXKDI */