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3eda0189f0
git-svn-id: svn://coreboot.org/openbios/openbios-devel@392 f158a5a8-5612-0410-a976-696ce0be7e32
49 lines
1.1 KiB
C
49 lines
1.1 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 <stepan@openbios.org>
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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 "openbios/config.h"
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#include "openbios/bindings.h"
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#include "openbios/drivers.h"
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#ifdef CONFIG_DEBUG_CONSOLE
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/* ******************************************************************
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* common functions, implementing simple concurrent console
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* ****************************************************************** */
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int putchar(int c)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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serial_putchar(c);
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#endif
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return c;
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}
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int availchar(void)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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if (uart_charav(CONFIG_SERIAL_PORT))
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return 1;
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#endif
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return 0;
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}
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int getchar(void)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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if (uart_charav(CONFIG_SERIAL_PORT))
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return (uart_getchar(CONFIG_SERIAL_PORT));
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#endif
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return 0;
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}
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#endif // CONFIG_DEBUG_CONSOLE
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