forked from AbleOS/ableos
37 lines
938 B
Rust
37 lines
938 B
Rust
use spin::{Lazy, Mutex};
|
|
use uart_16550::SerialPort;
|
|
|
|
pub static SERIAL1: Lazy<Mutex<SerialPort>> = Lazy::new(|| {
|
|
let mut serial_port = unsafe { SerialPort::new(0x3F8) };
|
|
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("Printing to serial failed");
|
|
// */
|
|
}
|
|
|
|
/// Prints to the host through the serial interface.
|
|
#[macro_export]
|
|
macro_rules! sprint {
|
|
($($arg:tt)*) => {
|
|
$crate::arch::drivers::serial::_print(format_args!($($arg)*));
|
|
};
|
|
}
|
|
|
|
/// Prints to the host through the serial interface, appending a newline.
|
|
#[macro_export]
|
|
macro_rules! sprintln {
|
|
() => ($crate::sprint!("\n"));
|
|
($fmt:expr) => ($crate::sprint!(concat!($fmt, "\n")));
|
|
($fmt:expr, $($arg:tt)*) => ($crate::sprint!(
|
|
concat!($fmt, "\n"), $($arg)*));
|
|
}
|