[deliverable/linux.git] / arch / mips / kernel / early_printk.c

/*
 * 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/console.h>
#include <linux/init.h>

extern void prom_putchar(char);

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 = {
	.name	= "early",
	.write	= early_console_write,
	.flags	= CON_PRINTBUFFER | CON_BOOT,
	.index	= -1
};

void __init setup_early_printk(void)
{
	register_console(&early_console);
}
Commit	Line	Data
36a88530 RB	1	/*
	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)
	9	*/
	10	#include <linux/console.h>
	11	#include <linux/init.h>
	12
	13	extern void prom_putchar(char);
	14
	15	static void early_console_write(struct console con, const char s, unsigned n)
	16	{
	17	while (n-- && *s) {
	18	if (*s == '\n')
	19	prom_putchar('\r');
	20	prom_putchar(*s);
	21	s++;
	22	}
	23	}
	24
	25	static struct console early_console = {
	26	.name = "early",
	27	.write = early_console_write,
	28	.flags = CON_PRINTBUFFER \| CON_BOOT,
	29	.index = -1
	30	};
	31
	32	void __init setup_early_printk(void)
	33	{
	34	register_console(&early_console);
	35	}