cmd_bootm.c

		puts ("   Legacy image found\n");
		if (!image_check_magic (hdr)) {
			puts ("   Bad Magic Number\n");
			return 1;
		}

		if (!image_check_hcrc (hdr)) {
			puts ("   Bad Header Checksum\n");
			return 1;
		}

		image_print_contents (hdr);

		puts ("   Verifying Checksum ... ");
		if (!image_check_dcrc (hdr)) {
			puts ("   Bad Data CRC\n");
			return 1;
		}
		puts ("OK\n");
		return 0;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		puts ("   FIT image found\n");

		if (!fit_check_format (hdr)) {
			puts ("Bad FIT image format!\n");
			return 1;
		}

		fit_print_contents (hdr);

		if (!fit_all_image_check_hashes (hdr)) {
			puts ("Bad hash in FIT image!\n");
			return 1;
		}

		return 0;
#endif
	default:
		puts ("Unknown image format!\n");
		break;
	}

	return 1;
}

U_BOOT_CMD(
	iminfo,	CONFIG_SYS_MAXARGS,	1,	do_iminfo,
	"iminfo  - print header information for application image\n",
	"addr [addr ...]\n"
	"    - print header information for application image starting at\n"
	"      address 'addr' in memory; this includes verification of the\n"
	"      image contents (magic number, header and payload checksums)\n"
);
#endif


/*******************************************************************/
/* imls - list all images found in flash */
/*******************************************************************/
#if defined(CONFIG_CMD_IMLS)
int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	flash_info_t *info;
	int i, j;
	void *hdr;

	for (i = 0, info = &flash_info[0];
		i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {

		if (info->flash_id == FLASH_UNKNOWN)
			goto next_bank;
		for (j = 0; j < info->sector_count; ++j) {

			hdr = (void *)info->start[j];
			if (!hdr)
				goto next_sector;

			switch (genimg_get_format (hdr)) {
			case IMAGE_FORMAT_LEGACY:
				if (!image_check_hcrc (hdr))
					goto next_sector;

				printf ("Legacy Image at %08lX:\n", (ulong)hdr);
				image_print_contents (hdr);

				puts ("   Verifying Checksum ... ");
				if (!image_check_dcrc (hdr)) {
					puts ("Bad Data CRC\n");
				} else {
					puts ("OK\n");
				}
				break;
#if defined(CONFIG_FIT)
			case IMAGE_FORMAT_FIT:
				if (!fit_check_format (hdr))
					goto next_sector;

				printf ("FIT Image at %08lX:\n", (ulong)hdr);
				fit_print_contents (hdr);
				break;
#endif
			default:
				goto next_sector;
			}

next_sector:		;
		}
next_bank:	;
	}

	return (0);
}

U_BOOT_CMD(
	imls,	1,		1,	do_imls,
	"imls    - list all images found in flash\n",
	"\n"
	"    - Prints information about all images found at sector\n"
	"      boundaries in flash.\n"
);
#endif

/*******************************************************************/
/* helper routines */
/*******************************************************************/
#ifdef CONFIG_SILENT_CONSOLE
static void fixup_silent_linux ()
{
	char buf[256], *start, *end;
	char *cmdline = getenv ("bootargs");

	/* Only fix cmdline when requested */
	if (!(gd->flags & GD_FLG_SILENT))
		return;

	debug ("before silent fix-up: %s\n", cmdline);
	if (cmdline) {
		if ((start = strstr (cmdline, "console=")) != NULL) {
			end = strchr (start, ' ');
			strncpy (buf, cmdline, (start - cmdline + 8));
			if (end)
				strcpy (buf + (start - cmdline + 8), end);
			else
				buf[start - cmdline + 8] = '\0';
		} else {
			strcpy (buf, cmdline);
			strcat (buf, " console=");
		}
	} else {
		strcpy (buf, "console=");
	}

	setenv ("bootargs", buf);
	debug ("after silent fix-up: %s\n", buf);
}
#endif /* CONFIG_SILENT_CONSOLE */


/*******************************************************************/
/* OS booting routines */
/*******************************************************************/

static int do_bootm_netbsd (int flag, int argc, char *argv[],
			    bootm_headers_t *images)
{
	void (*loader)(bd_t *, image_header_t *, char *, char *);
	image_header_t *os_hdr, *hdr;
	ulong kernel_data, kernel_len;
	char *consdev;
	char *cmdline;

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("NetBSD");
		return 1;
	}
#endif
	hdr = images->legacy_hdr_os;

	/*
	 * Booting a (NetBSD) kernel image
	 *
	 * This process is pretty similar to a standalone application:
	 * The (first part of an multi-) image must be a stage-2 loader,
	 * which in turn is responsible for loading & invoking the actual
	 * kernel.  The only differences are the parameters being passed:
	 * besides the board info strucure, the loader expects a command
	 * line, the name of the console device, and (optionally) the
	 * address of the original image header.
	 */
	os_hdr = NULL;
	if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
		image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
		if (kernel_len)
			os_hdr = hdr;
	}

	consdev = "";
#if   defined (CONFIG_8xx_CONS_SMC1)
	consdev = "smc1";
#elif defined (CONFIG_8xx_CONS_SMC2)
	consdev = "smc2";
#elif defined (CONFIG_8xx_CONS_SCC2)
	consdev = "scc2";
#elif defined (CONFIG_8xx_CONS_SCC3)
	consdev = "scc3";
#endif

	if (argc > 2) {
		ulong len;
		int   i;

		for (i = 2, len = 0; i < argc; i += 1)
			len += strlen (argv[i]) + 1;
		cmdline = malloc (len);

		for (i = 2, len = 0; i < argc; i += 1) {
			if (i > 2)
				cmdline[len++] = ' ';
			strcpy (&cmdline[len], argv[i]);
			len += strlen (argv[i]);
		}
	} else if ((cmdline = getenv ("bootargs")) == NULL) {
		cmdline = "";
	}

	loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;

	printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
		(ulong)loader);

	show_boot_progress (15);

	/*
	 * NetBSD Stage-2 Loader Parameters:
	 *   r3: ptr to board info data
	 *   r4: image address
	 *   r5: console device
	 *   r6: boot args string
	 */
	(*loader) (gd->bd, os_hdr, consdev, cmdline);

	return 1;
}

#ifdef CONFIG_LYNXKDI
static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
			     bootm_headers_t *images)
{
	image_header_t *hdr = &images->legacy_hdr_os_copy;

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("Lynx");
		return 1;
	}
#endif

	lynxkdi_boot ((image_header_t *)hdr);

	return 1;
}
#endif /* CONFIG_LYNXKDI */

static int do_bootm_rtems (int flag, int argc, char *argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(bd_t *);

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("RTEMS");
		return 1;
	}
#endif

	entry_point = (void (*)(bd_t *))images->ep;

	printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
		(ulong)entry_point);

	show_boot_progress (15);

	/*
	 * RTEMS Parameters:
	 *   r3: ptr to board info data
	 */
	(*entry_point)(gd->bd);

	return 1;
}

#if defined(CONFIG_CMD_ELF)
static int do_bootm_vxworks (int flag, int argc, char *argv[],
			     bootm_headers_t *images)
{
	char str[80];

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("VxWorks");
		return 1;
	}
#endif

	sprintf(str, "%lx", images->ep); /* write entry-point into string */
	setenv("loadaddr", str);
	do_bootvx(NULL, 0, 0, NULL);

	return 1;
}

static int do_bootm_qnxelf(int flag, int argc, char *argv[],
			    bootm_headers_t *images)
{
	char *local_args[2];
	char str[16];

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("QNX");
		return 1;
	}
#endif

	sprintf(str, "%lx", images->ep); /* write entry-point into string */
	local_args[0] = argv[0];
	local_args[1] = str;	/* and provide it via the arguments */
	do_bootelf(NULL, 0, 2, local_args);

	return 1;
}
#endif

#ifdef CONFIG_INTEGRITY
static int do_bootm_integrity (int flag, int argc, char *argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(void);

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset ("INTEGRITY");
		return 1;
	}
#endif

	entry_point = (void (*)(void))images->ep;

	printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
		(ulong)entry_point);

	show_boot_progress (15);

	/*
	 * INTEGRITY Parameters:
	 *   None
	 */
	(*entry_point)();

	return 1;
}
#endif