osiris/
print.rs

1use crate::hal::{self, Machinelike};
2use core::fmt::{self, Write};
3
4pub struct Printer;
5
6impl Write for Printer {
7    fn write_str(&mut self, s: &str) -> fmt::Result {
8        hal::Machine::print(s).map_err(|_| fmt::Error)?;
9        Ok(())
10    }
11}
12
13pub fn print(args: fmt::Arguments) {
14    use core::fmt::Write;
15    let mut printer = Printer;
16    printer.write_fmt(args).unwrap();
17}
18
19#[macro_export]
20macro_rules! kprint {
21    ($($arg:tt)*) => {{
22        use $crate::time;
23        use $crate::print::print;
24        // Print seconds and microseconds since boot.
25        let (secs, frac) = time::to_secs(time::mono_now(), time::mono_freq() as u32, 6);
26        print(format_args!("[{}.{:06}] ", secs, frac));
27        print(format_args!($($arg)*));
28    }};
29}
30
31#[macro_export]
32macro_rules! kprintln {
33    ($($arg:tt)*) => {{
34        use $crate::time;
35        use $crate::print::print;
36        // Print seconds and microseconds since boot.
37        let (secs, frac) = time::to_secs(time::mono_now(), time::mono_freq() as u32, 6);
38        print(format_args!("[{}.{:06}] ", secs, frac));
39        print(format_args!($($arg)*));
40        print(format_args!("\n"));
41    }};
42}
43
44#[macro_export]
45macro_rules! kprint_cont {
46    ($($arg:tt)*) => {{
47        use $crate::print::print;
48        print(format_args!($($arg)*));
49    }};
50}
51
52pub fn print_header() {
53    kprint!("****************************************************************\n");
54    kprint!("  ___      _      _       ____ _____ ___  ____   \n");
55    kprint!(" / _ \\ ___(_)_ __(_)___  |  _ \\_   _/ _ \\/ ___|  \n");
56    kprint!("| | | / __| | '__| / __| | |_) || || | | \\___ \\  \n");
57    kprint!("| |_| \\__ \\ | |  | \\__ \\ |  _ < | || |_| |___) | \n");
58    kprint!(" \\___/|___/_|_|  |_|___/ |_| \\_\\|_| \\___/|____/  \n");
59    kprint!("\n");
60    kprint!("****************************************************************\n");
61    kprint!("\n");
62}
osiris/print.rs

osiris/
print.rs
