33 lines
868 B
Rust
33 lines
868 B
Rust
use lazy_static::lazy_static;
|
|
use spin::Mutex;
|
|
use uart_16550::SerialPort;
|
|
|
|
lazy_static! {
|
|
pub static ref SERIAL1: Mutex<SerialPort> = {
|
|
let mut serial_port = unsafe { SerialPort::new(0x3f8) }; // 0x3f8 is standard address of 1st serial port
|
|
serial_port.init();
|
|
Mutex::new(serial_port)
|
|
};
|
|
}
|
|
|
|
#[doc(hidden)]
|
|
pub fn _print(args: ::core::fmt::Arguments) {
|
|
use core::fmt::Write;
|
|
SERIAL1.lock().write_fmt(args).expect("Serial print failed");
|
|
}
|
|
|
|
#[macro_export]
|
|
macro_rules! serial_print {
|
|
($($arg:tt)*) => {
|
|
$crate::serial::_print(format_args!($($arg)*));
|
|
};
|
|
}
|
|
|
|
#[macro_export]
|
|
macro_rules! serial_println {
|
|
() => ($crate::serial_print!("\n"));
|
|
($fmt:expr) => ($crate::serial_print!(concat!($fmt, "\n")));
|
|
($fmt:expr, $($arg:tt)*) => ($crate::serial_print!(
|
|
concat!($fmt, "\n"), $($arg)*));
|
|
}
|