summaryrefslogtreecommitdiffstats
path: root/arch/mips/kernel/early_printk.c
diff options
context:
space:
mode:
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/kernel/early_printk.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/kernel/early_printk.c')
-rw-r--r--arch/mips/kernel/early_printk.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c
new file mode 100644
index 0000000000..4a1647ddfb
--- /dev/null
+++ b/arch/mips/kernel/early_printk.c
@@ -0,0 +1,41 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2007 MIPS Technologies, Inc.
+ * written by Ralf Baechle (ralf@linux-mips.org)
+ */
+#include <linux/kernel.h>
+#include <linux/console.h>
+#include <linux/printk.h>
+#include <linux/init.h>
+
+#include <asm/setup.h>
+
+static void early_console_write(struct console *con, const char *s, unsigned n)
+{
+ while (n-- && *s) {
+ if (*s == '\n')
+ prom_putchar('\r');
+ prom_putchar(*s);
+ s++;
+ }
+}
+
+static struct console early_console_prom = {
+ .name = "early",
+ .write = early_console_write,
+ .flags = CON_PRINTBUFFER | CON_BOOT,
+ .index = -1
+};
+
+void __init setup_early_printk(void)
+{
+ if (early_console)
+ return;
+ early_console = &early_console_prom;
+
+ register_console(&early_console_prom);
+}