+#if defined(CONFIG_FIT)
+ if (!images->legacy_hdr_valid) {
+ fit_unsupported_reset ("ARTOS");
+ do_reset (cmdtp, flag, argc, argv);
+ }
+#endif
+
+ /*
+ * Booting an ARTOS kernel image + application
+ */
+
+ /* this used to be the top of memory, but was wrong... */
+#ifdef CONFIG_PPC
+ /* get stack pointer */
+ asm volatile ("mr %0,1" : "=r"(top) );
+#endif
+ debug ("## Current stack ends at 0x%08lX ", top);
+
+ top -= 2048; /* just to be sure */
+ if (top > CFG_BOOTMAPSZ)
+ top = CFG_BOOTMAPSZ;
+ top &= ~0xF;
+
+ debug ("=> set upper limit to 0x%08lX\n", top);
+
+ /* first check the artos specific boot args, then the linux args*/
+ if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
+ s = "";
+
+ /* get length of cmdline, and place it */
+ len = strlen (s);
+ top = (top - (len + 1)) & ~0xF;
+ cmdline = (char *)top;
+ debug ("## cmdline at 0x%08lX ", top);
+ strcpy (cmdline, s);
+
+ /* copy bdinfo */
+ top = (top - sizeof (bd_t)) & ~0xF;
+ debug ("## bd at 0x%08lX ", top);
+ kbd = (bd_t *)top;
+ memcpy (kbd, gd->bd, sizeof (bd_t));
+
+ /* first find number of env entries, and their size */
+ envno = 0;
+ envsz = 0;
+ for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+ for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
+ ;
+ envno++;
+ envsz += (nxt - i) + 1; /* plus trailing zero */
+ }
+ envno++; /* plus the terminating zero */
+ debug ("## %u envvars total size %u ", envno, envsz);
+
+ top = (top - sizeof (char **) * envno) & ~0xF;
+ fwenv = (char **)top;
+ debug ("## fwenv at 0x%08lX ", top);
+
+ top = (top - envsz) & ~0xF;
+ s = (char *)top;
+ ss = fwenv;
+
+ /* now copy them */
+ for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+ for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
+ ;
+ *ss++ = s;
+ for (j = i; j < nxt; ++j)
+ *s++ = env_get_char (j);
+ *s++ = '\0';
+ }
+ *ss++ = NULL; /* terminate */
+
+ entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
+ (*entry) (kbd, cmdline, fwenv, top);
+}
+#endif