/* * (C) Copyright 2000 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it * * See file CREDITS for list of people who contributed to this * project. * * 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; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <armboot.h>#include <stdarg.h>#include <malloc.h>void serial_puts (const char *s){	while (*s) {		serial_putc (*s++);	}}void serial_printf(const char *fmt, ...){	va_list	args;	uint	i;	char	printbuffer[CFG_PBSIZE];	va_start(args, fmt);	/* For this to work, printbuffer must be larger than	 * anything we ever want to print.	 */	i = vsprintf(printbuffer, fmt, args);	va_end(args);	serial_puts(printbuffer);}int	getc(void){    /* Send directly to the handler */    return serial_getc();}int	tstc(void){    /* Send directly to the handler */    return serial_tstc();}void	putc(const char c){	/* Send directly to the handler */	serial_putc(c);}void	puts(const char *s){	/* Send directly to the handler */	serial_puts(s);}void printf(const char *fmt, ...){	va_list	args;	uint	i;	char	printbuffer[CFG_PBSIZE];	va_start(args, fmt);	/* For this to work, printbuffer must be larger than	 * anything we ever want to print.	 */	i = vsprintf(printbuffer, fmt, args);	va_end(args);	/* Print the string */	puts (printbuffer);}/* test if ctrl-c was pressed */static int ctrlc_disabled = 0;		/* see disable_ctrl() */static int ctrlc_was_pressed = 0;int ctrlc(void){	if (!ctrlc_disabled) {		if (tstc()) {			switch (getc()) {			case 0x03:	/* ^C - Control C */				ctrlc_was_pressed = 1;				return 1;			default:				break;			}		}	}	return 0;}/* pass 1 to disable ctrlc() checking, 0 to enable. * returns previous state */int disable_ctrlc(int disable){	int prev = ctrlc_disabled;	/* save previous state */	ctrlc_disabled = disable;	return prev;}int had_ctrlc(void){	return ctrlc_was_pressed;}void clear_ctrlc(void){	ctrlc_was_pressed = 0;}