1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * Copyright (C) 2011 Richard Weinberger <rich !! 2 * This file is subject to the terms and conditions of the GNU General Public
>> 3 * License. See the file "COPYING" in the main directory of this archive
>> 4 * for more details.
>> 5 *
>> 6 * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org)
>> 7 * Copyright (C) 2007 MIPS Technologies, Inc.
>> 8 * written by Ralf Baechle (ralf@linux-mips.org)
4 */ 9 */
5 <<
6 #include <linux/kernel.h> 10 #include <linux/kernel.h>
7 #include <linux/console.h> 11 #include <linux/console.h>
>> 12 #include <linux/printk.h>
8 #include <linux/init.h> 13 #include <linux/init.h>
9 #include <os.h> <<
10 14
11 static void early_console_write(struct console !! 15 #include <asm/setup.h>
>> 16
>> 17 static void early_console_write(struct console *con, const char *s, unsigned n)
12 { 18 {
13 um_early_printk(s, n); !! 19 while (n-- && *s) {
>> 20 if (*s == '\n')
>> 21 prom_putchar('\r');
>> 22 prom_putchar(*s);
>> 23 s++;
>> 24 }
14 } 25 }
15 26
16 static struct console early_console_dev = { !! 27 static struct console early_console_prom = {
17 .name = "earlycon", !! 28 .name = "early",
18 .write = early_console_write, !! 29 .write = early_console_write,
19 .flags = CON_BOOT, !! 30 .flags = CON_PRINTBUFFER | CON_BOOT,
20 .index = -1, !! 31 .index = -1
21 }; 32 };
22 33
23 static int __init setup_early_printk(char *buf !! 34 void __init setup_early_printk(void)
24 { 35 {
25 if (!early_console) { !! 36 if (early_console)
26 early_console = &early_console !! 37 return;
27 register_console(&early_consol !! 38 early_console = &early_console_prom;
28 } <<
29 return 0; <<
30 } <<
31 39
32 early_param("earlyprintk", setup_early_printk) !! 40 register_console(&early_console_prom);
>> 41 }
33 42
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.