1 files changed, 52 insertions, 0 deletions

diff --git a/arch/mips/powertv/cmdline.c b/arch/mips/powertv/cmdline.c
new file mode 100644
index 000000000000..98d73cb0d452
--- /dev/null
+++ b/arch/mips/powertv/cmdline.c
@@ -0,0 +1,52 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ * Portions copyright (C) 2009 Cisco Systems, Inc.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * Kernel command line creation using the prom monitor (YAMON) argc/argv.
+ */
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+
+#include "init.h"
+
+/*
+ * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
+ * This macro take care of sign extension.
+ */
+#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
+
+char * __init prom_getcmdline(void)
+{
+        return &(arcs_cmdline[0]);
+}
+
+void  __init prom_init_cmdline(void)
+{
+        int len;
+
+        if (prom_argc != 1)
+                return;
+
+        len = strlen(arcs_cmdline);
+
+        arcs_cmdline[len] = ' ';
+
+        strlcpy(arcs_cmdline + len + 1, (char *)_prom_argv,
+                COMMAND_LINE_SIZE - len - 1);
+}