Kernel: Rework interrupt mechanism

All interruptrable classes now inherit from Interruptable which
has methdo handle_irq which is called on a interrupt.

kernel/include/kernel/Input/PS2Config.h

@@ -0,0 +1,97 @@
+#pragma once
+
+#include <stdint.h>
+
+namespace Kernel::Input::PS2
+{
+
+	enum IOPort : uint8_t
+	{
+		DATA = 0x60,
+		STATUS = 0x64,
+		COMMAND = 0x64,
+	};
+
+	enum Status : uint8_t
+	{
+		OUTPUT_FULL = (1 << 0),
+		INPUT_FULL = (1 << 1),
+		SYSTEM = (1 << 2),
+		DEVICE_OR_CONTROLLER = (1 << 3),
+		TIMEOUT_ERROR = (1 << 6),
+		PARITY_ERROR = (1 << 7),
+	};
+
+	enum Config : uint8_t
+	{
+		INTERRUPT_FIRST_PORT = (1 << 0),
+		INTERRUPT_SECOND_PORT = (1 << 1),
+		SYSTEM_FLAG = (1 << 2),
+		ZERO1 = (1 << 3),
+		CLOCK_FIRST_PORT = (1 << 4),
+		CLOCK_SECOND_PORT = (1 << 5),
+		TRANSLATION_FIRST_PORT = (1 << 6),
+		ZERO2 = (1 << 7),
+	};
+
+	enum Command : uint8_t
+	{
+		READ_CONFIG = 0x20,
+		WRITE_CONFIG = 0x60,
+		DISABLE_SECOND_PORT = 0xA7,
+		ENABLE_SECOND_PORT = 0xA8,
+		TEST_SECOND_PORT = 0xA9,
+		TEST_CONTROLLER = 0xAA,
+		TEST_FIRST_PORT = 0xAB,
+		DISABLE_FIRST_PORT = 0xAD,
+		ENABLE_FIRST_PORT = 0xAE,
+		WRITE_TO_SECOND_PORT = 0xD4,
+	};
+
+	enum Response : uint8_t
+	{
+		TEST_FIRST_PORT_PASS = 0x00,
+		TEST_SECOND_PORT_PASS = 0x00,
+		TEST_CONTROLLER_PASS = 0x55,
+		SELF_TEST_PASS = 0xAA,
+		ACK = 0xFA,
+	};
+
+	enum DeviceCommand : uint8_t
+	{
+		ENABLE_SCANNING = 0xF4,
+		DISABLE_SCANNING = 0xF5,
+		IDENTIFY = 0xF2,
+		RESET = 0xFF,
+	};
+
+	enum IRQ : uint8_t
+	{
+		DEVICE0 = 1,
+		DEVICE1 = 12,
+	};
+
+	enum KBResponse : uint8_t
+	{
+		KEY_ERROR_OR_BUFFER_OVERRUN1 = 0x00,
+		SELF_TEST_PASSED = 0xAA,
+		ECHO_RESPONSE = 0xEE,
+		RESEND = 0xFE,
+		KEY_ERROR_OR_BUFFER_OVERRUN2 = 0xFF,
+	};
+
+	enum KBScancode : uint8_t
+	{
+		SET_SCANCODE_SET1 = 1,
+		SET_SCANCODE_SET2 = 2,
+		SET_SCANCODE_SET3 = 3,
+	};
+
+	enum KBLeds : uint8_t
+	{
+		SCROLL_LOCK	= (1 << 0),
+		NUM_LOCK	= (1 << 1),
+		CAPS_LOCK	= (1 << 2),
+	};
+
+}

kernel/include/kernel/Input/PS2Controller.h

@@ -1,16 +1,16 @@
 #pragma once
 
 #include <kernel/Device/Device.h>
+#include <kernel/InterruptController.h>
 
 namespace Kernel::Input
 {
 
-	class PS2Device : public CharacterDevice
+	class PS2Device : public CharacterDevice, public Interruptable
 	{
 	public:
 		virtual ~PS2Device() {}
-		virtual void on_byte(uint8_t) = 0;
-		
+
 	public:
 		PS2Device()
 			: CharacterDevice(Mode::IRUSR | Mode::IRGRP, 0, 0)
@@ -33,11 +33,8 @@ namespace Kernel::Input
 		BAN::ErrorOr<void> reset_device(uint8_t);
 		BAN::ErrorOr<void> set_scanning(uint8_t, bool);
 
-		static void device0_irq();
-		static void device1_irq();
-
 	private:
 		PS2Device* m_devices[2] { nullptr, nullptr };
 	};
 
-}
+}

kernel/include/kernel/Input/PS2Keyboard.h

@@ -29,7 +29,7 @@ namespace Kernel::Input
 	public:
 		static BAN::ErrorOr<PS2Keyboard*> create(PS2Controller&);
 
-		virtual void on_byte(uint8_t) override;
+		virtual void handle_irq() override;
 		virtual void update() override;
 
 	private: