68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/*
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* <console.c>
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*
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* Simple text console
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*
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* Copyright (C) 2005 Stefan Reinauer
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* Copyright (C) 2013 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation
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*
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*/
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#include "config.h"
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#include "libopenbios/bindings.h"
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#include "libopenbios/console.h"
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#include "drivers/drivers.h"
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/* ******************************************************************
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* common functions, implementing simple concurrent console
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* ****************************************************************** */
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/* Dummy routines for when console is unassigned */
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static int dummy_putchar(int c)
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{
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return c;
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}
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static int dummy_availchar(void)
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{
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return 0;
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}
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static int dummy_getchar(void)
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{
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return 0;
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}
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struct _console_ops console_ops = {
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.putchar = dummy_putchar,
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.availchar = dummy_availchar,
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.getchar = dummy_getchar
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};
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#ifdef CONFIG_DEBUG_CONSOLE
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void init_console(struct _console_ops ops)
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{
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console_ops = ops;
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}
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int putchar(int c)
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{
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return (*console_ops.putchar)(c);
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}
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int availchar(void)
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{
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return (*console_ops.availchar)();
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}
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int getchar(void)
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{
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return (*console_ops.getchar)();
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}
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#endif // CONFIG_DEBUG_CONSOLE
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