openbios/arch/ppc/qemu/console.c

/*
 *      <console.c>
 *
 *      Simple text console
 *
 *   Copyright (C) 2005 Stefan Reinauer <stepan@openbios.org>
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation
 *
 */

#include "openbios/config.h"
#include "openbios/bindings.h"
#include "openbios/drivers.h"

#ifdef CONFIG_DEBUG_CONSOLE
/* ******************************************************************
 *      common functions, implementing simple concurrent console
 * ****************************************************************** */

int putchar(int c)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
        serial_putchar(c);
#endif
        return c;
}

int availchar(void)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	if (uart_charav(CONFIG_SERIAL_PORT))
        	return 1;
#endif
        return 0;
}

int getchar(void)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	if (uart_charav(CONFIG_SERIAL_PORT))
		return (uart_getchar(CONFIG_SERIAL_PORT));
#endif
        return 0;
}
#endif	// CONFIG_DEBUG_CONSOLE