Merge branch 'new-image' of git://www.denx.de/git/u-boot-testing

[u-boot] / lib_microblaze / bootm.c

diff --git a/lib_microblaze/bootm.c b/lib_microblaze/bootm.c
new file mode 100644 (file)
index 0000000..fab4a54
--- /dev/null
+++ b/lib_microblaze/bootm.c
@@ -0,0 +1,81 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Michal  SIMEK <monstr@monstr.eu>
+ * Yasushi SHOJI <yashi@atmark-techno.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
+                    bootm_headers_t *images)
+{
+       /* First parameter is mapped to $r5 for kernel boot args */
+       void    (*theKernel) (char *);
+       char    *commandline = getenv ("bootargs");
+       ulong   ep = 0;
+
+       /* find kernel entry point */
+       if (images->legacy_hdr_valid) {
+               ep = image_get_ep (images->legacy_hdr_os);
+#if defined(CONFIG_FIT)
+       } else if (images->fit_uname_os) {
+               int ret = fit_image_get_entry (images->fit_hdr_os,
+                               images->fit_noffset_os, &ep);
+               if (ret) {
+                       puts ("Can't get entry point property!\n");
+                       goto error;
+               }
+#endif
+       } else {
+               puts ("Could not find kernel entry point!\n");
+               goto error;
+       }
+       theKernel = (void (*)(char *))ep;
+
+       show_boot_progress (15);
+
+#ifdef DEBUG
+       printf ("## Transferring control to Linux (at address %08lx) ...\n",
+               (ulong) theKernel);
+#endif
+
+       if (!images->autostart)
+               return ;
+
+       theKernel (commandline);
+       /* does not return */
+       return;
+
+error:
+       if (images->autostart)
+               do_reset (cmdtp, flag, argc, argv);
+       return;
+}