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

#pragma once

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

#include "arch_emulator.hpp"

#include <utils/time.hpp>

struct process_context;
class windows_emulator;

class kusd_mmio
{
  public:
    kusd_mmio(memory_manager& memory, utils::clock& clock);
    ~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_DATA64& get()
    {
        return this->kusd_;
    }

    const KUSER_SHARED_DATA64& get() const
    {
        return this->kusd_;
    }

    static uint64_t address();

    void setup();

  private:
    memory_manager* memory_{};
    utils::clock* clock_{};

    bool registered_{};

    KUSER_SHARED_DATA64 kusd_{};

    void read(uint64_t addr, void* data, size_t size);

    void update();

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