windows-user-space-emulator/src/windows-emulator/kusd_mmio.hpp

#pragma once

#include "std_include.hpp"
#include <serialization.hpp>

#include "x64_emulator.hpp"

struct process_context;
class windows_emulator;

class kusd_mmio
{
public:
	kusd_mmio(x64_emulator& emu, process_context& process);
	~kusd_mmio();

	kusd_mmio(utils::buffer_deserializer& buffer);

	kusd_mmio(kusd_mmio&&) = delete;
	kusd_mmio(const kusd_mmio&) = delete;
	kusd_mmio& operator=(kusd_mmio&& obj) = delete;
	kusd_mmio& operator=(const kusd_mmio&) = delete;

	void serialize(utils::buffer_serializer& buffer) const;
	void deserialize(utils::buffer_deserializer& buffer);

	KUSER_SHARED_DATA& get()
	{
		return this->kusd_;
	}

	const KUSER_SHARED_DATA& get() const
	{
		return this->kusd_;
	}

	static uint64_t address();

	void setup(bool use_relative_time);

private:
	x64_emulator* emu_{};
	process_context* process_{};

	bool registered_{};
	bool use_relative_time_{};

	KUSER_SHARED_DATA kusd_{};
	std::chrono::system_clock::time_point start_time_{};

	uint64_t read(uint64_t addr, size_t size);

	void update();

	void register_mmio();
	void deregister_mmio();
};