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-rw-r--r--lib_nios2/bootm.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/lib_nios2/bootm.c b/lib_nios2/bootm.c
new file mode 100644
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--- /dev/null
+++ b/lib_nios2/bootm.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.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 <asm/byteorder.h>
+
+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)
+{
+ 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;
+ }
+ void (*kernel)(void) = (void (*)(void))ep;
+
+ if (!images->autostart)
+ return ;
+
+ /* For now we assume the Microtronix linux ... which only
+ * needs to be called ;-)
+ */
+ kernel ();
+ /* does not return */
+ return;
+
+error:
+ if (images->autostart)
+ do_reset (cmdtp, flag, argc, argv);
+ return;
+}