Kernel: Move PS2Device to its own file

kernel/CMakeLists.txt

@@ -33,6 +33,7 @@ set(KERNEL_SOURCES
 	kernel/FS/TmpFS/Inode.cpp
 	kernel/FS/VirtualFileSystem.cpp
 	kernel/Input/PS2Controller.cpp
+	kernel/Input/PS2Device.cpp
 	kernel/Input/PS2Keyboard.cpp
 	kernel/Input/PS2Keymap.cpp
 	kernel/InterruptController.cpp

kernel/include/kernel/Input/PS2Controller.h

@@ -7,42 +7,7 @@
 namespace Kernel::Input
 {
 
-	class PS2Controller;
-
-	class PS2Device : public CharacterDevice, public Interruptable
-	{
-	public:
-		PS2Device(PS2Controller&);
-		virtual ~PS2Device() {}
-
-		virtual void send_initialize() = 0;
-
-		bool append_command_queue(uint8_t command);
-		bool append_command_queue(uint8_t command, uint8_t data);
-		virtual void handle_irq() final override;
-
-		virtual void handle_byte(uint8_t) = 0;
-		virtual void handle_device_command_response(uint8_t) = 0;
-
-		virtual BAN::StringView name() const override { return m_name; }
-
-	protected:
-		void update();
-
-	private:
-		enum class State
-		{
-			Normal,
-			WaitingAck,
-		};
-
-	private:
-		const BAN::String m_name;
-
-		PS2Controller&					m_controller;
-		State							m_state			= State::Normal;
-		BAN::CircularQueue<uint8_t, 10>	m_command_queue;
-	};
+	class PS2Device;
 
 	class PS2Controller
 	{

kernel/include/kernel/Input/PS2Device.h

@@ -0,0 +1,43 @@
+#include <kernel/Input/PS2Controller.h>
+
+namespace Kernel::Input
+{
+
+	class PS2Device : public CharacterDevice, public Interruptable
+	{
+	public:
+		PS2Device(PS2Controller&);
+		virtual ~PS2Device() {}
+
+		virtual void send_initialize() = 0;
+
+		bool append_command_queue(uint8_t command);
+		bool append_command_queue(uint8_t command, uint8_t data);
+		virtual void handle_irq() final override;
+
+		virtual void handle_byte(uint8_t) = 0;
+		virtual void handle_device_command_response(uint8_t) = 0;
+
+		virtual BAN::StringView name() const final override { return m_name; }
+		virtual dev_t rdev() const final override { return m_rdev; }
+
+	protected:
+		void update();
+
+	private:
+		enum class State
+		{
+			Normal,
+			WaitingAck,
+		};
+
+	private:
+		const BAN::String m_name;
+		const dev_t m_rdev;
+
+		PS2Controller&					m_controller;
+		State							m_state			= State::Normal;
+		BAN::CircularQueue<uint8_t, 10>	m_command_queue;
+	};
+
+}

kernel/include/kernel/Input/PS2Keyboard.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <kernel/Input/KeyEvent.h>
-#include <kernel/Input/PS2Controller.h>
+#include <kernel/Input/PS2Device.h>
 #include <kernel/Input/PS2Keymap.h>
 #include <kernel/Semaphore.h>
 
@@ -41,15 +41,9 @@ namespace Kernel::Input
 
 		Semaphore m_semaphore;
 
-	public:
-		virtual dev_t rdev() const override { return m_rdev; }
-
 	protected:
 		virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
 		virtual bool has_data_impl() const override;
-
-	private:
-		const dev_t m_rdev;
 	};
 
 }

kernel/kernel/Input/PS2Controller.cpp

@@ -248,72 +248,4 @@ namespace Kernel::Input
 		return {};
 	}
 
-	PS2Device::PS2Device(PS2Controller& controller)
-		: CharacterDevice(0440, 0, 901)
-		, m_name(BAN::String::formatted("input{}", DevFileSystem::get().get_next_input_device()))
-		, m_controller(controller)
-	{ }
-
-	bool PS2Device::append_command_queue(uint8_t command)
-	{
-		if (m_command_queue.size() + 1 >= m_command_queue.capacity())
-			return false;
-		m_command_queue.push(command);
-		return true;
-	}
-
-	bool PS2Device::append_command_queue(uint8_t command, uint8_t data)
-	{
-		if (m_command_queue.size() + 2 >= m_command_queue.capacity())
-			return false;
-		m_command_queue.push(command);
-		m_command_queue.push(data);
-		return true;
-	}
-
-	void PS2Device::handle_irq()
-	{
-		uint8_t byte = IO::inb(PS2::IOPort::DATA);
-
-		// NOTE: This implementation does not allow using commands
-		//       that respond with more bytes than ACK
-		switch (m_state)
-		{
-			case State::WaitingAck:
-			{
-				switch (byte)
-				{
-					case PS2::Response::ACK:
-						m_command_queue.pop();
-						m_state = State::Normal;
-						break;
-					case PS2::Response::RESEND:
-						m_state = State::Normal;
-						break;
-					default:
-						handle_device_command_response(byte);
-						break;
-				}
-				break;
-			}
-			case State::Normal:
-			{
-				handle_byte(byte);
-				break;
-			}
-		}
-
-		update();
-	}
-
-	void PS2Device::update()
-	{
-		if (m_state == State::WaitingAck)
-			return;
-		if (m_command_queue.empty())
-			return;
-		m_state = State::WaitingAck;
-		m_controller.send_byte(this, m_command_queue.front());
-	}
-
 }

kernel/kernel/Input/PS2Device.cpp

@@ -0,0 +1,80 @@
+#include <kernel/FS/DevFS/FileSystem.h>
+#include <kernel/Input/PS2Config.h>
+#include <kernel/Input/PS2Device.h>
+#include <kernel/IO.h>
+
+#include <sys/sysmacros.h>
+
+namespace Kernel::Input
+{
+
+	PS2Device::PS2Device(PS2Controller& controller)
+		: CharacterDevice(0440, 0, 901)
+		, m_name(BAN::String::formatted("input{}", DevFileSystem::get().get_next_input_device()))
+		, m_rdev(makedev(DevFileSystem::get().get_next_dev(), 0))
+		, m_controller(controller)
+	{ }
+
+	bool PS2Device::append_command_queue(uint8_t command)
+	{
+		if (m_command_queue.size() + 1 >= m_command_queue.capacity())
+			return false;
+		m_command_queue.push(command);
+		return true;
+	}
+
+	bool PS2Device::append_command_queue(uint8_t command, uint8_t data)
+	{
+		if (m_command_queue.size() + 2 >= m_command_queue.capacity())
+			return false;
+		m_command_queue.push(command);
+		m_command_queue.push(data);
+		return true;
+	}
+
+	void PS2Device::handle_irq()
+	{
+		uint8_t byte = IO::inb(PS2::IOPort::DATA);
+
+		// NOTE: This implementation does not allow using commands
+		//       that respond with more bytes than ACK
+		switch (m_state)
+		{
+			case State::WaitingAck:
+			{
+				switch (byte)
+				{
+					case PS2::Response::ACK:
+						m_command_queue.pop();
+						m_state = State::Normal;
+						break;
+					case PS2::Response::RESEND:
+						m_state = State::Normal;
+						break;
+					default:
+						handle_device_command_response(byte);
+						break;
+				}
+				break;
+			}
+			case State::Normal:
+			{
+				handle_byte(byte);
+				break;
+			}
+		}
+
+		update();
+	}
+
+	void PS2Device::update()
+	{
+		if (m_state == State::WaitingAck)
+			return;
+		if (m_command_queue.empty())
+			return;
+		m_state = State::WaitingAck;
+		m_controller.send_byte(this, m_command_queue.front());
+	}
+
+}

kernel/kernel/Input/PS2Keyboard.cpp

@@ -3,11 +3,8 @@
 #include <kernel/FS/DevFS/FileSystem.h>
 #include <kernel/Input/PS2Config.h>
 #include <kernel/Input/PS2Keyboard.h>
-#include <kernel/IO.h>
 #include <kernel/Timer/Timer.h>
 
-#include <sys/sysmacros.h>
-
 #define SET_MASK(byte, mask, on_off) ((on_off) ? ((byte) | (mask)) : ((byte) & ~(mask)))
 #define TOGGLE_MASK(byte, mask) ((byte) ^ (mask))
 
@@ -24,7 +21,6 @@ namespace Kernel::Input
 
 	PS2Keyboard::PS2Keyboard(PS2Controller& controller)
 		: PS2Device(controller)
-		, m_rdev(makedev(DevFileSystem::get().get_next_dev(), 0))
 	{ }
 
 	void PS2Keyboard::send_initialize()