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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/mips/dec/prom/cmdline.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/dec/prom/cmdline.c')
-rw-r--r--arch/mips/dec/prom/cmdline.c40
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 0000000000..3ed63280ae
--- /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
+}