suyu/src/core/memory/freezer.h

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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <optional>
#include <vector>
#include "common/common_types.h"
#include "core/core_timing.h"
namespace Core {
class System;
} // namespace Core
namespace Memory {
// A class that will effectively freeze memory values.
class Freezer {
public:
struct Entry {
VAddr address;
u8 width;
u64 value;
};
Freezer(Core::Timing::CoreTiming& core_timing);
~Freezer();
void SetActive(bool active);
bool IsActive() const;
void Clear();
u64 Freeze(VAddr address, u8 width);
void Unfreeze(VAddr address);
bool IsFrozen(VAddr address);
void SetFrozenValue(VAddr address, u64 value);
std::optional<Entry> GetEntry(VAddr address);
std::vector<Entry> GetEntries();
private:
void FrameCallback(u64 userdata, s64 cycles_late);
void FillEntryReads();
std::atomic_bool active{false};
std::recursive_mutex entries_mutex;
std::vector<Entry> entries;
Core::Timing::EventType* event;
Core::Timing::CoreTiming& core_timing;
};
} // namespace Memory