printf.c

// =============================================================================
//  ArHShRn :: Ragdoll SoC :: Cattery BIOS
//   _____                 _       _ _  _____        _____ 
//  |  __ \               | |     | | |/ ____|      / ____|
//  | |__) |__ _  __ _  __| | ___ | | | (___   ___ | |     
//  |  _  // _` |/ _` |/ _` |/ _ \| | |\___ \ / _ \| |     
//  | | \ \ (_| | (_| | (_| | (_) | | |____) | (_) | |____ 
//  |_|  \_\__,_|\__, |\__,_|\___/|_|_|_____/ \___/ \_____|
//                __/ |                                    
//               |___/                                     
//                          /\_____/\
//                         /  o   o  \
//                        ( ==  ^  == )
//                         )         (
//                        (           )
//                       ( (  )   (  ) )
//                      (__(__)___(__)__)                                           
// 
//  Code And Concept By ArHShRn
//  https://github.com/ArHShRn
// =============================================================================
/*
 * Copyright (C) 2001 MontaVista Software Inc.
 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
 *
 * 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.
 *
 */

#include "printf.h"
#include "print.h"
#include "cattery_peripherals.h"

static void myoutput(void *arg, char *s, int length)
{
    int send_itr = 0, delay_itr;
    // special termination call
    if ((length==1) && (s[0] == '\0')) return;
    
    for(send_itr = 0; send_itr < length; ++send_itr)
    {
        UART16550_PutChar(s[send_itr]);
        if (s[send_itr] == '\n') UART16550_PutChar('\r');
    }
}

void printf(char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    lp_Print(myoutput, 0, fmt, ap);
    va_end(ap);
}