use spin::Mutex; use syscall::Pio; use crate::serial_16550::SerialPort; pub static COM1: Mutex>> = Mutex::new(SerialPort::>::new(0x3F8)); pub static COM2: Mutex>> = Mutex::new(SerialPort::>::new(0x2F8)); pub static COM3: Mutex>> = Mutex::new(SerialPort::>::new(0x3E8)); pub static COM4: Mutex>> = Mutex::new(SerialPort::>::new(0x2E8));