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 <asm/byteorder.h>
35 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
39 #ifdef CFG_HUSH_PARSER
43 #ifdef CONFIG_SHOW_BOOT_PROGRESS
44 # include <status_led.h>
45 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
47 # define SHOW_BOOT_PROGRESS(arg)
50 #ifdef CFG_INIT_RAM_LOCK
51 #include <asm/cache.h>
54 #ifdef CONFIG_LOGBUFFER
59 * Some systems (for example LWMON) have very short watchdog periods;
60 * we must make sure to split long operations like memmove() or
61 * crc32() into reasonable chunks.
63 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
64 # define CHUNKSZ (64 * 1024)
67 int gunzip (void *, int, unsigned char *, int *);
69 static void *zalloc(void *, unsigned, unsigned);
70 static void zfree(void *, void *, unsigned);
72 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
73 static int image_info (unsigned long addr);
75 static void print_type (image_header_t *hdr);
78 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
82 * Continue booting an OS image; caller already has:
83 * - copied image header to global variable `header'
84 * - checked header magic number, checksums (both header & image),
85 * - verified image architecture (PPC) and type (KERNEL or MULTI),
86 * - loaded (first part of) image to header load address,
87 * - disabled interrupts.
89 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
90 int argc, char *argv[],
91 ulong addr, /* of image to boot */
92 ulong *len_ptr, /* multi-file image length table */
93 int verify); /* getenv("verify")[0] != 'n' */
96 static boot_os_Fcn do_bootm_linux;
98 extern boot_os_Fcn do_bootm_linux;
100 static boot_os_Fcn do_bootm_netbsd;
101 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
102 static boot_os_Fcn do_bootm_vxworks;
103 static boot_os_Fcn do_bootm_qnxelf;
104 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
105 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
106 #endif /* CFG_CMD_ELF */
108 image_header_t header;
110 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
112 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
116 ulong data, len, checksum;
120 int (*appl)(cmd_tbl_t *, int, int, char *[]);
121 image_header_t *hdr = &header;
123 s = getenv ("verify");
124 verify = (s && (*s == 'n')) ? 0 : 1;
129 addr = simple_strtoul(argv[1], NULL, 16);
132 SHOW_BOOT_PROGRESS (1);
133 printf ("## Booting image at %08lx ...\n", addr);
135 /* Copy header so we can blank CRC field for re-calculation */
136 memmove (&header, (char *)addr, sizeof(image_header_t));
138 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
139 #ifdef __I386__ /* correct image format not implemented yet - fake it */
140 if (fake_header(hdr, (void*)addr, -1) != NULL) {
141 /* to compensate for the addition below */
142 addr -= sizeof(image_header_t);
144 * fake_header() does not fake the data crc
148 #endif /* __I386__ */
150 printf ("Bad Magic Number\n");
151 SHOW_BOOT_PROGRESS (-1);
155 SHOW_BOOT_PROGRESS (2);
157 data = (ulong)&header;
158 len = sizeof(image_header_t);
160 checksum = ntohl(hdr->ih_hcrc);
163 if (crc32 (0, (char *)data, len) != checksum) {
164 printf ("Bad Header Checksum\n");
165 SHOW_BOOT_PROGRESS (-2);
168 SHOW_BOOT_PROGRESS (3);
170 /* for multi-file images we need the data part, too */
171 print_image_hdr (hdr);
173 data = addr + sizeof(image_header_t);
174 len = ntohl(hdr->ih_size);
177 printf (" Verifying Checksum ... ");
178 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
179 printf ("Bad Data CRC\n");
180 SHOW_BOOT_PROGRESS (-3);
185 SHOW_BOOT_PROGRESS (4);
187 len_ptr = (ulong *)data;
190 if (hdr->ih_arch != IH_CPU_PPC)
191 #elif defined(__ARM__)
192 if (hdr->ih_arch != IH_CPU_ARM)
193 #elif defined(__I386__)
194 if (hdr->ih_arch != IH_CPU_I386)
196 # error Unknown CPU type
199 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
200 SHOW_BOOT_PROGRESS (-4);
203 SHOW_BOOT_PROGRESS (5);
205 switch (hdr->ih_type) {
206 case IH_TYPE_STANDALONE: name = "Standalone Application";
208 case IH_TYPE_KERNEL: name = "Kernel Image";
210 case IH_TYPE_MULTI: name = "Multi-File Image";
211 len = ntohl(len_ptr[0]);
212 /* OS kernel is always the first image */
213 data += 8; /* kernel_len + terminator */
214 for (i=1; len_ptr[i]; ++i)
217 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
218 SHOW_BOOT_PROGRESS (-5);
221 SHOW_BOOT_PROGRESS (6);
224 * We have reached the point of no return: we are going to
225 * overwrite all exception vector code, so we cannot easily
226 * recover from any failures any more...
229 iflag = disable_interrupts();
231 #ifdef CONFIG_AMIGAONEG3SE
233 * We've possible left the caches enabled during
234 * bios emulation, so turn them off again
237 invalidate_l1_instruction_cache();
242 switch (hdr->ih_comp) {
244 if(ntohl(hdr->ih_load) == addr) {
245 printf (" XIP %s ... ", name);
247 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
249 void *to = (void *)ntohl(hdr->ih_load);
250 void *from = (void *)data;
252 printf (" Loading %s ... ", name);
255 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
257 memmove (to, from, tail);
262 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
263 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
264 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
268 printf (" Uncompressing %s ... ", name);
269 if (gunzip ((void *)ntohl(hdr->ih_load), 0x400000,
270 (uchar *)data, (int *)&len) != 0) {
271 printf ("GUNZIP ERROR - must RESET board to recover\n");
272 SHOW_BOOT_PROGRESS (-6);
273 do_reset (cmdtp, flag, argc, argv);
279 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
280 SHOW_BOOT_PROGRESS (-7);
284 SHOW_BOOT_PROGRESS (7);
286 switch (hdr->ih_type) {
287 case IH_TYPE_STANDALONE:
288 appl = (int (*)(cmd_tbl_t *, int, int, char *[]))ntohl(hdr->ih_ep);
292 (*appl)(cmdtp, flag, argc-1, &argv[1]);
301 printf ("Can't boot image type %d\n", hdr->ih_type);
302 SHOW_BOOT_PROGRESS (-8);
305 SHOW_BOOT_PROGRESS (8);
307 switch (hdr->ih_os) {
308 default: /* handled by (original) Linux case */
310 do_bootm_linux (cmdtp, flag, argc, argv,
311 addr, len_ptr, verify);
314 do_bootm_netbsd (cmdtp, flag, argc, argv,
315 addr, len_ptr, verify);
317 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
319 do_bootm_vxworks (cmdtp, flag, argc, argv,
320 addr, len_ptr, verify);
323 do_bootm_qnxelf (cmdtp, flag, argc, argv,
324 addr, len_ptr, verify);
326 #endif /* CFG_CMD_ELF */
329 SHOW_BOOT_PROGRESS (-9);
331 printf ("\n## Control returned to monitor - resetting...\n");
332 do_reset (cmdtp, flag, argc, argv);
339 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
340 int argc, char *argv[],
345 DECLARE_GLOBAL_DATA_PTR;
349 ulong initrd_start, initrd_end;
350 ulong cmd_start, cmd_end;
356 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
357 image_header_t *hdr = &header;
359 if ((s = getenv ("initrd_high")) != NULL) {
360 /* a value of "no" or a similar string will act like 0,
361 * turning the "load high" feature off. This is intentional.
363 initrd_high = simple_strtoul(s, NULL, 16);
364 } else { /* not set, no restrictions to load high */
368 #ifdef CONFIG_LOGBUFFER
369 /* Prevent initrd from overwriting logbuffer */
370 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
371 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
372 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
376 * Booting a (Linux) kernel image
378 * Allocate space for command line and board info - the
379 * address should be as high as possible within the reach of
380 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
381 * memory, which means far enough below the current stack
385 asm( "mr %0,1": "=r"(sp) : );
387 debug ("## Current stack ends at 0x%08lX ", sp);
389 sp -= 2048; /* just to be sure */
390 if (sp > CFG_BOOTMAPSZ)
394 debug ("=> set upper limit to 0x%08lX\n", sp);
396 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
397 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
399 if ((s = getenv("bootargs")) == NULL)
404 cmd_start = (ulong)&cmdline[0];
405 cmd_end = cmd_start + strlen(cmdline);
410 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
412 do_bdinfo (NULL, 0, 0, NULL);
415 if ((s = getenv ("clocks_in_mhz")) != NULL) {
416 /* convert all clock information to MHz */
417 kbd->bi_intfreq /= 1000000L;
418 kbd->bi_busfreq /= 1000000L;
419 #if defined(CONFIG_8260)
420 kbd->bi_cpmfreq /= 1000000L;
421 kbd->bi_brgfreq /= 1000000L;
422 kbd->bi_sccfreq /= 1000000L;
423 kbd->bi_vco /= 1000000L;
424 #endif /* CONFIG_8260 */
427 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
430 * Check if there is an initrd image
433 SHOW_BOOT_PROGRESS (9);
435 addr = simple_strtoul(argv[2], NULL, 16);
437 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
439 /* Copy header so we can blank CRC field for re-calculation */
440 memmove (&header, (char *)addr, sizeof(image_header_t));
442 if (hdr->ih_magic != IH_MAGIC) {
443 printf ("Bad Magic Number\n");
444 SHOW_BOOT_PROGRESS (-10);
445 do_reset (cmdtp, flag, argc, argv);
448 data = (ulong)&header;
449 len = sizeof(image_header_t);
451 checksum = hdr->ih_hcrc;
454 if (crc32 (0, (char *)data, len) != checksum) {
455 printf ("Bad Header Checksum\n");
456 SHOW_BOOT_PROGRESS (-11);
457 do_reset (cmdtp, flag, argc, argv);
460 SHOW_BOOT_PROGRESS (10);
462 print_image_hdr (hdr);
464 data = addr + sizeof(image_header_t);
469 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
470 ulong cdata = data, edata = cdata + len;
471 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
473 printf (" Verifying Checksum ... ");
475 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
477 while (cdata < edata) {
478 ulong chunk = edata - cdata;
482 csum = crc32 (csum, (char *)cdata, chunk);
487 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
488 csum = crc32 (0, (char *)data, len);
489 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
491 if (csum != hdr->ih_dcrc) {
492 printf ("Bad Data CRC\n");
493 SHOW_BOOT_PROGRESS (-12);
494 do_reset (cmdtp, flag, argc, argv);
499 SHOW_BOOT_PROGRESS (11);
501 if ((hdr->ih_os != IH_OS_LINUX) ||
502 (hdr->ih_arch != IH_CPU_PPC) ||
503 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
504 printf ("No Linux PPC Ramdisk Image\n");
505 SHOW_BOOT_PROGRESS (-13);
506 do_reset (cmdtp, flag, argc, argv);
510 * Now check if we have a multifile image
512 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
513 u_long tail = ntohl(len_ptr[0]) % 4;
516 SHOW_BOOT_PROGRESS (13);
518 /* skip kernel length and terminator */
519 data = (ulong)(&len_ptr[2]);
520 /* skip any additional image length fields */
521 for (i=1; len_ptr[i]; ++i)
523 /* add kernel length, and align */
524 data += ntohl(len_ptr[0]);
529 len = ntohl(len_ptr[1]);
535 SHOW_BOOT_PROGRESS (14);
541 debug ("No initrd\n");
545 initrd_start = (ulong)kbd - len;
546 initrd_start &= ~(4096 - 1); /* align on page */
552 * the inital ramdisk does not need to be within
553 * CFG_BOOTMAPSZ as it is not accessed until after
554 * the mm system is initialised.
556 * do the stack bottom calculation again and see if
557 * the initrd will fit just below the monitor stack
558 * bottom without overwriting the area allocated
559 * above for command line args and board info.
561 asm( "mr %0,1": "=r"(nsp) : );
562 nsp -= 2048; /* just to be sure */
564 if (nsp > initrd_high) /* limit as specified */
567 nsp &= ~(4096 - 1); /* align on page */
572 SHOW_BOOT_PROGRESS (12);
574 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
575 data, data + len - 1, len, len);
577 initrd_end = initrd_start + len;
578 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
579 initrd_start, initrd_end);
580 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
583 void *to = (void *)initrd_start;
584 void *from = (void *)data;
587 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
589 memmove (to, from, tail);
595 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
596 memmove ((void *)initrd_start, (void *)data, len);
597 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
605 debug ("## Transferring control to Linux (at address %08lx) ...\n",
608 SHOW_BOOT_PROGRESS (15);
610 #ifdef CFG_INIT_RAM_LOCK
611 unlock_ram_in_cache();
614 * Linux Kernel Parameters:
615 * r3: ptr to board info data
616 * r4: initrd_start or 0 if no initrd
617 * r5: initrd_end - unused if r4 is 0
618 * r6: Start of command line string
619 * r7: End of command line string
621 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
623 #endif /* CONFIG_ARM */
626 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
627 int argc, char *argv[],
632 DECLARE_GLOBAL_DATA_PTR;
634 image_header_t *hdr = &header;
636 void (*loader)(bd_t *, image_header_t *, char *, char *);
637 image_header_t *img_addr;
643 * Booting a (NetBSD) kernel image
645 * This process is pretty similar to a standalone application:
646 * The (first part of an multi-) image must be a stage-2 loader,
647 * which in turn is responsible for loading & invoking the actual
648 * kernel. The only differences are the parameters being passed:
649 * besides the board info strucure, the loader expects a command
650 * line, the name of the console device, and (optionally) the
651 * address of the original image header.
655 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
656 img_addr = (image_header_t *) addr;
660 #if defined (CONFIG_8xx_CONS_SMC1)
662 #elif defined (CONFIG_8xx_CONS_SMC2)
664 #elif defined (CONFIG_8xx_CONS_SCC2)
666 #elif defined (CONFIG_8xx_CONS_SCC3)
674 for (i=2, len=0 ; i<argc ; i+=1)
675 len += strlen (argv[i]) + 1;
676 cmdline = malloc (len);
678 for (i=2, len=0 ; i<argc ; i+=1) {
680 cmdline[len++] = ' ';
681 strcpy (&cmdline[len], argv[i]);
682 len += strlen (argv[i]);
684 } else if ((cmdline = getenv("bootargs")) == NULL) {
688 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
690 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
693 SHOW_BOOT_PROGRESS (15);
696 * NetBSD Stage-2 Loader Parameters:
697 * r3: ptr to board info data
700 * r6: boot args string
702 (*loader) (gd->bd, img_addr, consdev, cmdline);
705 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
706 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
709 #ifndef CFG_HUSH_PARSER
710 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
712 if (parse_string_outer(getenv("bootcmd"),
713 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
719 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
720 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
727 return image_info (load_addr);
730 for (arg=1; arg <argc; ++arg) {
731 addr = simple_strtoul(argv[arg], NULL, 16);
732 if (image_info (addr) != 0) rcode = 1;
737 static int image_info (ulong addr)
739 ulong data, len, checksum;
740 image_header_t *hdr = &header;
742 printf ("\n## Checking Image at %08lx ...\n", addr);
744 /* Copy header so we can blank CRC field for re-calculation */
745 memmove (&header, (char *)addr, sizeof(image_header_t));
747 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
748 printf (" Bad Magic Number\n");
752 data = (ulong)&header;
753 len = sizeof(image_header_t);
755 checksum = ntohl(hdr->ih_hcrc);
758 if (crc32 (0, (char *)data, len) != checksum) {
759 printf (" Bad Header Checksum\n");
763 /* for multi-file images we need the data part, too */
764 print_image_hdr ((image_header_t *)addr);
766 data = addr + sizeof(image_header_t);
767 len = ntohl(hdr->ih_size);
769 printf (" Verifying Checksum ... ");
770 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
771 printf (" Bad Data CRC\n");
777 #endif /* CFG_CMD_IMI */
780 print_image_hdr (image_header_t *hdr)
782 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
783 time_t timestamp = (time_t)ntohl(hdr->ih_time);
787 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
788 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
789 to_tm (timestamp, &tm);
790 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
791 tm.tm_year, tm.tm_mon, tm.tm_mday,
792 tm.tm_hour, tm.tm_min, tm.tm_sec);
793 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
794 printf (" Image Type: "); print_type(hdr); printf ("\n");
795 printf (" Data Size: %d Bytes = ", ntohl(hdr->ih_size));
796 print_size (ntohl(hdr->ih_size), "\n");
797 printf (" Load Address: %08x\n", ntohl(hdr->ih_load));
798 printf (" Entry Point: %08x\n", ntohl(hdr->ih_ep));
800 if (hdr->ih_type == IH_TYPE_MULTI) {
803 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
805 printf (" Contents:\n");
806 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
807 printf (" Image %d: %8ld Bytes = ", i, len);
808 print_size (len, "\n");
815 print_type (image_header_t *hdr)
817 char *os, *arch, *type, *comp;
819 switch (hdr->ih_os) {
820 case IH_OS_INVALID: os = "Invalid OS"; break;
821 case IH_OS_NETBSD: os = "NetBSD"; break;
822 case IH_OS_LINUX: os = "Linux"; break;
823 case IH_OS_VXWORKS: os = "VxWorks"; break;
824 case IH_OS_QNX: os = "QNX"; break;
825 case IH_OS_U_BOOT: os = "U-Boot"; break;
826 default: os = "Unknown OS"; break;
829 switch (hdr->ih_arch) {
830 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
831 case IH_CPU_ALPHA: arch = "Alpha"; break;
832 case IH_CPU_ARM: arch = "ARM"; break;
833 case IH_CPU_I386: arch = "Intel x86"; break;
834 case IH_CPU_IA64: arch = "IA64"; break;
835 case IH_CPU_MIPS: arch = "MIPS"; break;
836 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
837 case IH_CPU_PPC: arch = "PowerPC"; break;
838 case IH_CPU_S390: arch = "IBM S390"; break;
839 case IH_CPU_SH: arch = "SuperH"; break;
840 case IH_CPU_SPARC: arch = "SPARC"; break;
841 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
842 default: arch = "Unknown Architecture"; break;
845 switch (hdr->ih_type) {
846 case IH_TYPE_INVALID: type = "Invalid Image"; break;
847 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
848 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
849 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
850 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
851 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
852 case IH_TYPE_SCRIPT: type = "Script"; break;
853 default: type = "Unknown Image"; break;
856 switch (hdr->ih_comp) {
857 case IH_COMP_NONE: comp = "uncompressed"; break;
858 case IH_COMP_GZIP: comp = "gzip compressed"; break;
859 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
860 default: comp = "unknown compression"; break;
863 printf ("%s %s %s (%s)", arch, os, type, comp);
866 #define ZALLOC_ALIGNMENT 16
868 static void *zalloc(void *x, unsigned items, unsigned size)
873 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
880 static void zfree(void *x, void *addr, unsigned nb)
886 #define EXTRA_FIELD 4
889 #define RESERVED 0xe0
893 int gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
901 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
902 printf ("Error: Bad gzipped data\n");
905 if ((flags & EXTRA_FIELD) != 0)
906 i = 12 + src[10] + (src[11] << 8);
907 if ((flags & ORIG_NAME) != 0)
908 while (src[i++] != 0)
910 if ((flags & COMMENT) != 0)
911 while (src[i++] != 0)
913 if ((flags & HEAD_CRC) != 0)
916 printf ("Error: gunzip out of data in header\n");
922 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
923 s.outcb = (cb_func)WATCHDOG_RESET;
926 #endif /* CONFIG_HW_WATCHDOG */
928 r = inflateInit2(&s, -MAX_WBITS);
930 printf ("Error: inflateInit2() returned %d\n", r);
934 s.avail_in = *lenp - i;
936 s.avail_out = dstlen;
937 r = inflate(&s, Z_FINISH);
938 if (r != Z_OK && r != Z_STREAM_END) {
939 printf ("Error: inflate() returned %d\n", r);
942 *lenp = s.next_out - (unsigned char *) dst;
948 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
950 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
951 ulong addr, ulong *len_ptr, int verify)
953 image_header_t *hdr = &header;
956 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
957 setenv("loadaddr", str);
958 do_bootvx(cmdtp, 0, 0, NULL);
962 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
963 ulong addr, ulong *len_ptr, int verify)
965 image_header_t *hdr = &header;
969 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
970 local_args[0] = argv[0];
971 local_args[1] = str; /* and provide it via the arguments */
972 do_bootelf(cmdtp, 0, 2, local_args);
974 #endif /* CFG_CMD_ELF */