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1/*
2 * Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#include <linux/kernel.h>
10#include <linux/console.h>
11#include <linux/init.h>
12#include "os.h"
13
14static void early_console_write(struct console *con, const char *s, unsigned int n)
15{
16 um_early_printk(s, n);
17}
18
19static struct console early_console = {
20 .name = "earlycon",
21 .write = early_console_write,
22 .flags = CON_BOOT,
23 .index = -1,
24};
25
26static int __init setup_early_printk(char *buf)
27{
28 register_console(&early_console);
29
30 return 0;
31}
32
33early_param("earlyprintk", setup_early_printk);
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
4 */
5
6#include <linux/kernel.h>
7#include <linux/console.h>
8#include <linux/init.h>
9#include <os.h>
10
11static void early_console_write(struct console *con, const char *s, unsigned int n)
12{
13 um_early_printk(s, n);
14}
15
16static struct console early_console_dev = {
17 .name = "earlycon",
18 .write = early_console_write,
19 .flags = CON_BOOT,
20 .index = -1,
21};
22
23static int __init setup_early_printk(char *buf)
24{
25 if (!early_console) {
26 early_console = &early_console_dev;
27 register_console(&early_console_dev);
28 }
29 return 0;
30}
31
32early_param("earlyprintk", setup_early_printk);