svn_rev_643

structure cleanup

1 files changed, 79 insertions, 0 deletions

diff --git a/commands/go.c b/commands/go.c
new file mode 100644
index 0000000000..accda18da1
--- /dev/null
+++ b/commands/go.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ */
+
+/*
+ * Misc boot support
+ */
+
+#include <common.h>
+#include <command.h>
+
+int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ulong	addr, rc;
+	int     rcode = 0;
+
+	if (argc < 2) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+
+	printf ("## Starting application at 0x%08lX ...\n", addr);
+
+	/*
+	 * pass address parameter as argv[0] (aka command name),
+	 * and all remaining args
+	 */
+#if defined(CONFIG_I386)
+	/*
+	 * x86 does not use a dedicated register to pass the pointer
+	 * to the global_data
+	 */
+	argv[0] = (char *)gd;
+#endif
+#if !defined(CONFIG_NIOS)
+	rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]);
+#else
+	/*
+	 * Nios function pointers are address >> 1
+	 */
+	rc = ((ulong (*)(int, char *[]))(addr>>1)) (--argc, &argv[1]);
+#endif
+	if (rc != 0) rcode = 1;
+
+	printf ("## Application terminated, rc = 0x%lX\n", rc);
+	return rcode;
+}
+
+/* -------------------------------------------------------------------- */
+
+U_BOOT_CMD_START(go)
+	.maxargs	= CONFIG_MAXARGS,
+	.cmd		= do_go,
+	.usage		= "start application at address 'addr'",
+	U_BOOT_CMD_HELP(
+	"addr [arg ...]\n    - start application at address 'addr'\n"
+	"      passing 'arg' as arguments\n")
+U_BOOT_CMD_END