d634f194d4
User Mode Linux can also benefit from earlyprintk. UML's earlyprintk writes kernel messages directly to stdout. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
34 lines
740 B
C
34 lines
740 B
C
/*
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* Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/console.h>
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#include <linux/init.h>
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#include "os.h"
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static void early_console_write(struct console *con, const char *s, unsigned int n)
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{
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um_early_printk(s, n);
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}
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static struct console early_console = {
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.name = "earlycon",
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.write = early_console_write,
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.flags = CON_BOOT,
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.index = -1,
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};
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static int __init setup_early_printk(char *buf)
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{
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register_console(&early_console);
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return 0;
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}
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early_param("earlyprintk", setup_early_printk);
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