move io.rs into submodule

1 files changed, 44 insertions, 0 deletions

diff --git a/src/io/mod.rs b/src/io/mod.rs
new file mode 100644
index 0000000..27be847
--- /dev/null
+++ b/src/io/mod.rs
@@ -0,0 +1,44 @@
+use crate::machine::cgascr::CGAScreen;
+use crate::machine::keyctrl::KeyboardController;
+use core::fmt;
+use lazy_static::lazy_static;
+use spin::Mutex;
+// TODO I want my own locking primitive for practice, instead of stock spin lock
+lazy_static! {
+	pub static ref CGASCREEN_GLOBAL: Mutex<CGAScreen> = Mutex::new(CGAScreen::new());
+	pub static ref KBCTL_GLOBAL: Mutex<KeyboardController> = Mutex::new(KeyboardController::new());
+}
+
+#[macro_export]
+macro_rules! print {
+    ($($arg:tt)*) => ($crate::io::_print(format_args!($($arg)*)));
+}
+pub(crate) use print;
+
+#[macro_export]
+macro_rules! println {
+    () => ($crate::print!("\n"));
+    ($($arg:tt)*) => (print!("{}\n", format_args!($($arg)*)));
+}
+pub(crate) use println;
+
+pub fn _print(args: fmt::Arguments) {
+	use core::fmt::Write;
+	CGASCREEN_GLOBAL.lock().write_fmt(args).unwrap();
+}
+
+pub fn clear_screen() {
+	CGASCREEN_GLOBAL.lock().clear();
+}
+
+pub fn set_attr(attr: u8) {
+	CGASCREEN_GLOBAL.lock().setattr(attr);
+}
+
+pub fn print_welcome() {
+	println!("--RuStuBs--");
+	println!("    _._     _,-'\"\"`-._     ~Meow");
+	println!("   (,-.`._,'(       |\\`-/|");
+	println!("       `-.-' \\ )-`( , o o)");
+	println!("             `-    \\`_`\"'-");
+}