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use spin::{lazylock::LazyLock, mutex::Mutex};
use crate::io::output::serial::uart_16550::Uart16550;
// TODO: use linkme instead
pub static EARLY_PRINTK_SERIAL: LazyLock<Option<Mutex<Uart16550>>> = LazyLock::new(
|| match unsafe { Uart16550::init([Some(Default::default()), None, None, None]) } {
Ok(o) => Some(Mutex::new(o)),
Err(_) => None,
},
);
// TODO: configurable via option or arguments
// or use a system similar to the drivers(`linkme`)
pub macro printk($($arg:tt)*) {{
use ::core::fmt::Write;
match &*$crate::init::earlyprintk::EARLY_PRINTK_SERIAL {
// TODO: elim the unwrap
Some(m) => write!(m.lock().coms[0].as_mut().unwrap(), $($arg)*),
// TODO: if needed find a way to return an error here, but for now just ignore it
None => Ok(()),
}
}}
pub macro printlnk($($arg:tt)*) {{
use ::core::fmt::Write;
match &*$crate::init::earlyprintk::EARLY_PRINTK_SERIAL {
Some(m) => writeln!(m.lock().coms[0].as_mut().unwrap(), $($arg)*),
None => Ok(()),
}
}}
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