#include "s3c2410.h"#include "machine.h"#include "interrupt.h"#include "uart.h"#include "mmu.h"#include "led.h"int main(void){	int i;	board_init();	init_irq();	init_uart();	putstr("^_^ M-boot 0.1.4(armlinux@lqm) 2007-08-06 ^_^\r\n");	/* MMU */	mem_map_init();	mmu_init();	putstr("Succeed memory mapping.\r\n");	/* LED */	for (i=0; i<50; i++) {		led_circle();	}	while (1) {		switch (getc()) {			case '1':				putstr("first\r\n");				led_on(1);				break;			case '2':				led_on(2);				putstr("second\r\n");				break;			case '3':				led_on(3);				putstr("third\r\n");				break;			case '4':				led_on(4);				putstr("fourth\r\n");				break;			default:				led_on(0);				putstr("default\r\n");				break;		}	}	return 0;}