#include "uart.h"
#include "stdio.h"
#include "abi/syscalls.h"

extern void _start(void) {
    uart_init(UART_COM1_PORT, 115200);
    uart_puts(UART_COM1_PORT, "[RING3-UART-DRIVER] 16550 UART COM1 initialized from userspace!\n");

    while (1) {
        if (uart_has_data(UART_COM1_PORT)) {
            char c = uart_getc(UART_COM1_PORT);
            // Echo back
            uart_putc(UART_COM1_PORT, c);
        }
        sys_yield();
    }
}