Formatted printing to UART

1 files changed, 25 insertions, 0 deletions

diff --git a/src/print.rs b/src/print.rs
new file mode 100644
index 0000000..932c655
--- /dev/null
+++ b/src/print.rs
@@ -0,0 +1,25 @@
+//! Printing
+use core::fmt;
+
+use crate::uart::UART_WRITER;
+use crate::console::interface::Write;
+
+#[doc(hidden)]
+pub fn _print(args: fmt::Arguments) {
+	UART_WRITER.write_fmt(args).unwrap();
+}
+
+/// Print without newline
+#[macro_export]
+macro_rules! print {
+	($($arg:tt)*) => ($crate::print::_print(format_args!($($arg)*)));
+}
+
+/// Print with newline
+#[macro_export]
+macro_rules! println {
+	() => ($crate::print!("\n"));
+	($($arg:tt)*) => ({
+		$crate::print::_print(format_args_nl!($($arg)*));
+	})
+}