1 files changed, 139 insertions, 0 deletions
diff --git a/src/core/hle/service/psc/time/alarms.h b/src/core/hle/service/psc/time/alarms.h
new file mode 100644
index 000000000..597770028
--- /dev/null
+++ b/src/core/hle/service/psc/time/alarms.h
@@ -0,0 +1,139 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <mutex>
+
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/ipc_helpers.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/psc/time/clocks/standard_steady_clock_core.h"
+#include "core/hle/service/psc/time/common.h"
+#include "core/hle/service/psc/time/power_state_request_manager.h"
+#include "core/hle/service/server_manager.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::PSC::Time {
+class TimeManager;
+
+enum AlarmType : u32 {
+    WakeupAlarm = 0,
+    BackgroundTaskAlarm = 1,
+};
+
+struct Alarm : public Common::IntrusiveListBaseNode<Alarm> {
+    using AlarmList = Common::IntrusiveListBaseTraits<Alarm>::ListType;
+
+    Alarm(Core::System& system, KernelHelpers::ServiceContext& ctx, AlarmType type);
+    ~Alarm();
+
+    Kernel::KReadableEvent& GetEventHandle() {
+        return m_event->GetReadableEvent();
+    }
+
+    s64 GetAlertTime() const {
+        return m_alert_time;
+    }
+
+    void SetAlertTime(s64 time) {
+        m_alert_time = time;
+    }
+
+    u32 GetPriority() const {
+        return m_priority;
+    }
+
+    void Signal() {
+        m_event->Signal();
+    }
+
+    Result Lock() {
+        // TODO
+        // if (m_lock_service) {
+        //     return m_lock_service->Lock();
+        // }
+        R_SUCCEED();
+    }
+
+    KernelHelpers::ServiceContext& m_ctx;
+
+    u32 m_priority;
+    Kernel::KEvent* m_event{};
+    s64 m_alert_time{};
+    // TODO
+    // nn::psc::sf::IPmStateLock* m_lock_service{};
+};
+
+class Alarms {
+public:
+    explicit Alarms(Core::System& system, StandardSteadyClockCore& steady_clock,
+                    PowerStateRequestManager& power_state_request_manager);
+    ~Alarms();
+
+    Kernel::KEvent& GetEvent() {
+        return *m_event;
+    }
+
+    s64 GetRawTime() {
+        return m_steady_clock.GetRawTime();
+    }
+
+    Result Enable(Alarm& alarm, s64 time);
+    void Disable(Alarm& alarm);
+    void CheckAndSignal();
+    bool GetClosestAlarm(Alarm** out_alarm);
+
+private:
+    void Insert(Alarm& alarm);
+    void Erase(Alarm& alarm);
+    Result UpdateClosestAndSignal();
+
+    Core::System& m_system;
+    KernelHelpers::ServiceContext m_ctx;
+
+    StandardSteadyClockCore& m_steady_clock;
+    PowerStateRequestManager& m_power_state_request_manager;
+    Alarm::AlarmList m_alarms;
+    Kernel::KEvent* m_event{};
+    Alarm* m_closest_alarm{};
+    std::mutex m_mutex;
+};
+
+class IAlarmService final : public ServiceFramework<IAlarmService> {
+public:
+    explicit IAlarmService(Core::System& system, std::shared_ptr<TimeManager> manager);
+
+    ~IAlarmService() override = default;
+
+private:
+    void CreateWakeupAlarm(HLERequestContext& ctx);
+    void CreateBackgroundTaskAlarm(HLERequestContext& ctx);
+
+    Core::System& m_system;
+    Alarms& m_alarms;
+};
+
+class ISteadyClockAlarm final : public ServiceFramework<ISteadyClockAlarm> {
+public:
+    explicit ISteadyClockAlarm(Core::System& system, Alarms& alarms, AlarmType type);
+
+    ~ISteadyClockAlarm() override = default;
+
+private:
+    void GetAlarmEvent(HLERequestContext& ctx);
+    void Enable(HLERequestContext& ctx);
+    void Disable(HLERequestContext& ctx);
+    void IsEnabled(HLERequestContext& ctx);
+
+    KernelHelpers::ServiceContext m_ctx;
+
+    Alarms& m_alarms;
+    Alarm m_alarm;
+};
+
+} // namespace Service::PSC::Time