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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include "common/common_types.h"
#include "core/hle/service/psc/time/common.h"
namespace Core {
class System;
}
namespace Kernel {
class KSharedMemory;
}
namespace Service::PSC::Time {
template <typename T>
struct LockFreeAtomicType {
u32 m_counter;
std::array<T, 2> m_value;
};
struct SharedMemoryStruct {
LockFreeAtomicType<SteadyClockTimePoint> steady_time_points;
LockFreeAtomicType<SystemClockContext> local_system_clock_contexts;
LockFreeAtomicType<SystemClockContext> network_system_clock_contexts;
LockFreeAtomicType<bool> automatic_corrections;
LockFreeAtomicType<ContinuousAdjustmentTimePoint> continuous_adjustment_time_points;
std::array<char, 0xEB8> pad0148;
};
static_assert(offsetof(SharedMemoryStruct, steady_time_points) == 0x0,
"steady_time_points are in the wrong place!");
static_assert(offsetof(SharedMemoryStruct, local_system_clock_contexts) == 0x38,
"local_system_clock_contexts are in the wrong place!");
static_assert(offsetof(SharedMemoryStruct, network_system_clock_contexts) == 0x80,
"network_system_clock_contexts are in the wrong place!");
static_assert(offsetof(SharedMemoryStruct, automatic_corrections) == 0xC8,
"automatic_corrections are in the wrong place!");
static_assert(offsetof(SharedMemoryStruct, continuous_adjustment_time_points) == 0xD0,
"continuous_adjustment_time_points are in the wrong place!");
static_assert(sizeof(SharedMemoryStruct) == 0x1000,
"Time's SharedMemoryStruct has the wrong size!");
static_assert(std::is_trivial_v<SharedMemoryStruct>);
class SharedMemory {
public:
explicit SharedMemory(Core::System& system);
Kernel::KSharedMemory& GetKSharedMemory() {
return m_k_shared_memory;
}
void SetLocalSystemContext(const SystemClockContext& context);
void SetNetworkSystemContext(const SystemClockContext& context);
void SetSteadyClockTimePoint(ClockSourceId clock_source_id, s64 time_diff);
void SetContinuousAdjustment(const ContinuousAdjustmentTimePoint& time_point);
void SetAutomaticCorrection(bool automatic_correction);
void UpdateBaseTime(s64 time);
private:
Core::System& m_system;
Kernel::KSharedMemory& m_k_shared_memory;
SharedMemoryStruct* m_shared_memory_ptr;
};
} // namespace Service::PSC::Time
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