Fill in all exception and IRQ entries. Handle PIT, keyboard IRQs

arch/x86_64/src/device/ps2.rs

@@ -0,0 +1,73 @@
+use spin::Mutex;
+
+use io::{Io, Pio, ReadOnly, WriteOnly};
+
+pub static PS2: Mutex<Ps2> = Mutex::new(Ps2::new());
+
+pub unsafe fn init() {
+    PS2.lock().init();
+}
+
+mod status {
+    bitflags! {
+        pub flags Flags: u8 {
+            const OUTPUT_FULL = 1,
+            const INPUT_FULL = 1 << 1,
+            const SYSTEM = 1 << 2,
+            const COMMAND = 1 << 3,
+            const TIME_OUT = 1 << 6,
+            const PARITY = 1 << 7
+        }
+    }
+}
+
+mod config {
+    bitflags! {
+        pub flags Flags: u8 {
+            const FIRST_INTERRUPT = 1,
+            const SECOND_INTERRUPT = 1 << 1,
+            const SYSTEM = 1 << 2,
+            const FIRST_DISABLE = 1 << 4,
+            const SECOND_DISABLE = 1 << 5,
+            const FIRST_TRANSLATE = 1 << 6
+        }
+    }
+}
+
+#[repr(u8)]
+enum Command {
+    ReadConfig = 0x20,
+    WriteConfig = 0x60,
+    DisableSecond = 0xA7,
+    EnableSecond = 0xA8,
+    TestSecond = 0xA9,
+    TestController = 0xAA,
+    TestFirst = 0xAB,
+    Diagnostic = 0xAC,
+    DisableFirst = 0xAD,
+    EnableFirst = 0xAE,
+    WriteSecond = 0xD4
+}
+
+pub struct Ps2 {
+    pub data: Pio<u8>,
+    pub status: ReadOnly<Pio<u8>>,
+    pub command: WriteOnly<Pio<u8>>
+}
+
+impl Ps2 {
+    pub const fn new() -> Ps2 {
+        Ps2 {
+            data: Pio::new(0x60),
+            status: ReadOnly::new(Pio::new(0x64)),
+            command: WriteOnly::new(Pio::new(0x64))
+        }
+    }
+
+    pub fn init(&mut self) {
+        print!("Status {:?}\n", status::Flags::from_bits_truncate(self.status.read()));
+
+        self.command.write(Command::ReadConfig as u8);
+        print!("Config {:?}\n", config::Flags::from_bits_truncate(self.data.read()));
+    }
+}