1 files changed, 40 insertions, 0 deletions

diff --git a/arch/mips/dec/prom/cmdline.c b/arch/mips/dec/prom/cmdline.c
new file mode 100644
index 000000000..3ed63280a
--- /dev/null
+++ b/arch/mips/dec/prom/cmdline.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * cmdline.c: read the command line passed to us by the PROM.
+ *
+ * Copyright (C) 1998 Harald Koerfgen
+ * Copyright (C) 2002, 2004  Maciej W. Rozycki
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <asm/bootinfo.h>
+#include <asm/dec/prom.h>
+
+#undef PROM_DEBUG
+
+void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic)
+{
+        char *arg;
+        int start_arg, i;
+
+        /*
+         * collect args and prepare cmd_line
+         */
+        if (!prom_is_rex(magic))
+                start_arg = 1;
+        else
+                start_arg = 2;
+        for (i = start_arg; i < argc; i++) {
+                arg = (void *)(long)(argv[i]);
+                strcat(arcs_cmdline, arg);
+                if (i < (argc - 1))
+                        strcat(arcs_cmdline, " ");
+        }
+
+#ifdef PROM_DEBUG
+        printk("arcs_cmdline: %s\n", &(arcs_cmdline[0]));
+#endif
+}