Kernel: pass Kernel ref in Event

src/core/hle/kernel/event.cpp

@@ -7,16 +7,16 @@
 #include <vector>
 #include "common/assert.h"
 #include "core/hle/kernel/event.h"
-#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Kernel {
 
-Event::Event() {}
+Event::Event(KernelSystem& kernel) {}
 Event::~Event() {}
 
-SharedPtr<Event> Event::Create(ResetType reset_type, std::string name) {
-    SharedPtr<Event> evt(new Event);
+SharedPtr<Event> KernelSystem::CreateEvent(ResetType reset_type, std::string name) {
+    SharedPtr<Event> evt(new Event(*this));
 
     evt->signaled = false;
     evt->reset_type = reset_type;

src/core/hle/kernel/event.h

@@ -12,13 +12,6 @@ namespace Kernel {
 
 class Event final : public WaitObject {
 public:
-    /**
-     * Creates an event
-     * @param reset_type ResetType describing how to create event
-     * @param name Optional name of event
-     */
-    static SharedPtr<Event> Create(ResetType reset_type, std::string name = "Unknown");
-
     std::string GetTypeName() const override {
         return "Event";
     }
@@ -47,13 +40,15 @@ public:
     void Clear();
 
 private:
-    Event();
+    explicit Event(KernelSystem& kernel);
     ~Event() override;
 
     ResetType reset_type; ///< Current ResetType
 
     bool signaled;    ///< Whether the event has already been signaled
     std::string name; ///< Name of event (optional)
+
+    friend class KernelSystem;
 };
 
 } // namespace Kernel

src/core/hle/kernel/hle_ipc.cpp

@@ -6,6 +6,7 @@
 #include <vector>
 #include "common/assert.h"
 #include "common/common_types.h"
+#include "core/core.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
@@ -55,7 +56,8 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
                            cmd_buff.size() * sizeof(u32));
     };
 
-    auto event = Kernel::Event::Create(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
+    auto event = Core::System::GetInstance().Kernel().CreateEvent(Kernel::ResetType::OneShot,
+                                                                  "HLE Pause Event: " + reason);
     thread->status = ThreadStatus::WaitHleEvent;
     thread->wait_objects = {event};
     event->AddWaitingThread(thread);

src/core/hle/kernel/kernel.h

@@ -11,6 +11,13 @@
 namespace Kernel {
 
 class AddressArbiter;
+class Event;
+
+enum class ResetType {
+    OneShot,
+    Sticky,
+    Pulse,
+};
 
 template <typename T>
 using SharedPtr = boost::intrusive_ptr<T>;
@@ -27,6 +34,13 @@ public:
      * @returns The created AddressArbiter.
      */
     SharedPtr<AddressArbiter> CreateAddressArbiter(std::string name = "Unknown");
+
+    /**
+     * Creates an event
+     * @param reset_type ResetType describing how to create event
+     * @param name Optional name of event
+     */
+    SharedPtr<Event> CreateEvent(ResetType reset_type, std::string name = "Unknown");
 };
 
 } // namespace Kernel

src/core/hle/kernel/object.h

@@ -35,12 +35,6 @@ enum {
     DEFAULT_STACK_SIZE = 0x4000,
 };
 
-enum class ResetType {
-    OneShot,
-    Sticky,
-    Pulse,
-};
-
 class Object : NonCopyable {
 public:
     virtual ~Object();

src/core/hle/kernel/svc.cpp

@@ -942,8 +942,8 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, u32
 
 /// Create an event
 static ResultCode CreateEvent(Handle* out_handle, u32 reset_type) {
-    SharedPtr<Event> evt = Event::Create(static_cast<ResetType>(reset_type),
-                                         fmt::format("event-{:08x}", Core::CPU().GetReg(14)));
+    SharedPtr<Event> evt = Core::System::GetInstance().Kernel().CreateEvent(
+        static_cast<ResetType>(reset_type), fmt::format("event-{:08x}", Core::CPU().GetReg(14)));
     CASCADE_RESULT(*out_handle, g_handle_table.Create(std::move(evt)));
 
     LOG_TRACE(Kernel_SVC, "called reset_type=0x{:08X} : created handle=0x{:08X}", reset_type,

src/core/hle/service/apt/applet_manager.cpp

@@ -572,9 +572,9 @@ AppletManager::AppletManager(Core::System& system) : system(system) {
         slot_data.registered = false;
         slot_data.loaded = false;
         slot_data.notification_event =
-            Kernel::Event::Create(Kernel::ResetType::OneShot, "APT:Notification");
+            system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "APT:Notification");
         slot_data.parameter_event =
-            Kernel::Event::Create(Kernel::ResetType::OneShot, "APT:Parameter");
+            system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "APT:Parameter");
     }
     HLE::Applets::Init();
 }

src/core/hle/service/boss/boss.cpp

@@ -903,15 +903,16 @@ void Module::Interface::GetNsDataNewFlagPrivileged(Kernel::HLERequestContext& ct
 Module::Interface::Interface(std::shared_ptr<Module> boss, const char* name, u32 max_session)
     : ServiceFramework(name, max_session), boss(std::move(boss)) {}
 
-Module::Module() {
+Module::Module(Core::System& system) {
     using namespace Kernel;
     // TODO: verify ResetType
-    task_finish_event = Event::Create(Kernel::ResetType::OneShot, "BOSS::task_finish_event");
+    task_finish_event =
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "BOSS::task_finish_event");
 }
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    auto boss = std::make_shared<Module>();
+    auto boss = std::make_shared<Module>(system);
     std::make_shared<BOSS_P>(boss)->InstallAsService(service_manager);
     std::make_shared<BOSS_U>(boss)->InstallAsService(service_manager);
 }

src/core/hle/service/boss/boss.h

@@ -15,7 +15,7 @@ namespace Service::BOSS {
 
 class Module final {
 public:
-    Module();
+    explicit Module(Core::System& system);
     ~Module() = default;
 
     class Interface : public ServiceFramework<Interface> {

src/core/hle/service/cam/cam.cpp

@@ -1019,14 +1019,15 @@ void Module::Interface::DriverFinalize(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_CAM, "called");
 }
 
-Module::Module() {
+Module::Module(Core::System& system) {
     using namespace Kernel;
     for (PortConfig& port : ports) {
-        port.completion_event = Event::Create(ResetType::Sticky, "CAM::completion_event");
+        port.completion_event =
+            system.Kernel().CreateEvent(ResetType::Sticky, "CAM::completion_event");
         port.buffer_error_interrupt_event =
-            Event::Create(ResetType::OneShot, "CAM::buffer_error_interrupt_event");
+            system.Kernel().CreateEvent(ResetType::OneShot, "CAM::buffer_error_interrupt_event");
         port.vsync_interrupt_event =
-            Event::Create(ResetType::OneShot, "CAM::vsync_interrupt_event");
+            system.Kernel().CreateEvent(ResetType::OneShot, "CAM::vsync_interrupt_event");
     }
     completion_event_callback = CoreTiming::RegisterEvent(
         "CAM::CompletionEventCallBack",
@@ -1061,7 +1062,7 @@ std::shared_ptr<Module> GetModule(Core::System& system) {
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    auto cam = std::make_shared<Module>();
+    auto cam = std::make_shared<Module>(system);
 
     std::make_shared<CAM_U>(cam)->InstallAsService(service_manager);
     std::make_shared<CAM_S>(cam)->InstallAsService(service_manager);

src/core/hle/service/cam/cam.h

@@ -241,7 +241,7 @@ static_assert(sizeof(PackageParameterWithContextDetail) == 28,
 
 class Module final {
 public:
-    Module();
+    explicit Module(Core::System& system);
     ~Module();
     void ReloadCameraDevices();
 

src/core/hle/service/cecd/cecd.cpp

@@ -1351,10 +1351,11 @@ Module::SessionData::~SessionData() {
 Module::Interface::Interface(std::shared_ptr<Module> cecd, const char* name, u32 max_session)
     : ServiceFramework(name, max_session), cecd(std::move(cecd)) {}
 
-Module::Module() {
+Module::Module(Core::System& system) {
     using namespace Kernel;
-    cecinfo_event = Event::Create(Kernel::ResetType::OneShot, "CECD::cecinfo_event");
-    change_state_event = Event::Create(Kernel::ResetType::OneShot, "CECD::change_state_event");
+    cecinfo_event = system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "CECD::cecinfo_event");
+    change_state_event =
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "CECD::change_state_event");
 
     std::string nand_directory = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
     FileSys::ArchiveFactory_SystemSaveData systemsavedata_factory(nand_directory);
@@ -1433,7 +1434,7 @@ Module::~Module() = default;
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    auto cecd = std::make_shared<Module>();
+    auto cecd = std::make_shared<Module>(system);
     std::make_shared<CECD_NDM>(cecd)->InstallAsService(service_manager);
     std::make_shared<CECD_S>(cecd)->InstallAsService(service_manager);
     std::make_shared<CECD_U>(cecd)->InstallAsService(service_manager);

src/core/hle/service/cecd/cecd.h

@@ -23,7 +23,7 @@ namespace Service::CECD {
 
 class Module final {
 public:
-    Module();
+    explicit Module(Core::System& system);
     ~Module();
 
     enum class CecCommand : u32 {

src/core/hle/service/dsp/dsp_dsp.cpp

@@ -350,7 +350,7 @@ bool DSP_DSP::HasTooManyEventsRegistered() const {
     return number >= max_number_of_interrupt_events;
 }
 
-DSP_DSP::DSP_DSP() : ServiceFramework("dsp::DSP", DefaultMaxSessions) {
+DSP_DSP::DSP_DSP(Core::System& system) : ServiceFramework("dsp::DSP", DefaultMaxSessions) {
     static const FunctionInfo functions[] = {
         // clang-format off
         {0x00010040, &DSP_DSP::RecvData, "RecvData"},
@@ -391,7 +391,8 @@ DSP_DSP::DSP_DSP() : ServiceFramework("dsp::DSP", DefaultMaxSessions) {
 
     RegisterHandlers(functions);
 
-    semaphore_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "DSP_DSP::semaphore_event");
+    semaphore_event =
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "DSP_DSP::semaphore_event");
 }
 
 DSP_DSP::~DSP_DSP() {
@@ -401,7 +402,7 @@ DSP_DSP::~DSP_DSP() {
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    auto dsp = std::make_shared<DSP_DSP>();
+    auto dsp = std::make_shared<DSP_DSP>(system);
     dsp->InstallAsService(service_manager);
     Core::DSP().SetServiceToInterrupt(std::move(dsp));
 }

src/core/hle/service/dsp/dsp_dsp.h

@@ -17,7 +17,7 @@ namespace Service::DSP {
 
 class DSP_DSP final : public ServiceFramework<DSP_DSP> {
 public:
-    DSP_DSP();
+    explicit DSP_DSP(Core::System& system);
     ~DSP_DSP();
 
     /// There are three types of interrupts

src/core/hle/service/hid/hid.cpp

@@ -364,11 +364,11 @@ Module::Module(Core::System& system) : system(system) {
                              0, MemoryRegion::BASE, "HID:SharedMemory");
 
     // Create event handles
-    event_pad_or_touch_1 = Event::Create(ResetType::OneShot, "HID:EventPadOrTouch1");
-    event_pad_or_touch_2 = Event::Create(ResetType::OneShot, "HID:EventPadOrTouch2");
-    event_accelerometer = Event::Create(ResetType::OneShot, "HID:EventAccelerometer");
-    event_gyroscope = Event::Create(ResetType::OneShot, "HID:EventGyroscope");
-    event_debug_pad = Event::Create(ResetType::OneShot, "HID:EventDebugPad");
+    event_pad_or_touch_1 = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventPadOrTouch1");
+    event_pad_or_touch_2 = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventPadOrTouch2");
+    event_accelerometer = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventAccelerometer");
+    event_gyroscope = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventGyroscope");
+    event_debug_pad = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventDebugPad");
 
     // Register update callbacks
     pad_update_event =

src/core/hle/service/ir/ir.cpp

@@ -16,10 +16,10 @@ void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
     std::make_shared<IR_U>()->InstallAsService(service_manager);
 
-    auto ir_user = std::make_shared<IR_USER>();
+    auto ir_user = std::make_shared<IR_USER>(system);
     ir_user->InstallAsService(service_manager);
 
-    auto ir_rst = std::make_shared<IR_RST>();
+    auto ir_rst = std::make_shared<IR_RST>(system);
     ir_rst->InstallAsService(service_manager);
 }
 

src/core/hle/service/ir/ir_rst.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
@@ -144,14 +145,14 @@ void IR_RST::Shutdown(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_IR, "called");
 }
 
-IR_RST::IR_RST() : ServiceFramework("ir:rst", 1) {
+IR_RST::IR_RST(Core::System& system) : ServiceFramework("ir:rst", 1) {
     using namespace Kernel;
     // Note: these two kernel objects are even available before Initialize service function is
     // called.
     shared_memory =
         SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::Read,
                              0, MemoryRegion::BASE, "IRRST:SharedMemory");
-    update_event = Event::Create(ResetType::OneShot, "IRRST:UpdateEvent");
+    update_event = system.Kernel().CreateEvent(ResetType::OneShot, "IRRST:UpdateEvent");
 
     update_callback_id =
         CoreTiming::RegisterEvent("IRRST:UpdateCallBack", [this](u64 userdata, s64 cycles_late) {

src/core/hle/service/ir/ir_rst.h

@@ -39,7 +39,7 @@ union PadState {
 /// Interface to "ir:rst" service
 class IR_RST final : public ServiceFramework<IR_RST> {
 public:
-    IR_RST();
+    explicit IR_RST(Core::System& system);
     ~IR_RST();
     void ReloadInputDevices();
 

src/core/hle/service/ir/ir_user.cpp

@@ -6,6 +6,7 @@
 #include <boost/crc.hpp>
 #include "common/string_util.h"
 #include "common/swap.h"
+#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/shared_memory.h"
@@ -380,7 +381,7 @@ void IR_USER::ReleaseReceivedData(Kernel::HLERequestContext& ctx) {
     LOG_TRACE(Service_IR, "called, count={}", count);
 }
 
-IR_USER::IR_USER() : ServiceFramework("ir:USER", 1) {
+IR_USER::IR_USER(Core::System& system) : ServiceFramework("ir:USER", 1) {
     const FunctionInfo functions[] = {
         {0x00010182, nullptr, "InitializeIrNop"},
         {0x00020000, &IR_USER::FinalizeIrNop, "FinalizeIrNop"},
@@ -413,9 +414,9 @@ IR_USER::IR_USER() : ServiceFramework("ir:USER", 1) {
 
     using namespace Kernel;
 
-    conn_status_event = Event::Create(ResetType::OneShot, "IR:ConnectionStatusEvent");
-    send_event = Event::Create(ResetType::OneShot, "IR:SendEvent");
-    receive_event = Event::Create(ResetType::OneShot, "IR:ReceiveEvent");
+    conn_status_event = system.Kernel().CreateEvent(ResetType::OneShot, "IR:ConnectionStatusEvent");
+    send_event = system.Kernel().CreateEvent(ResetType::OneShot, "IR:SendEvent");
+    receive_event = system.Kernel().CreateEvent(ResetType::OneShot, "IR:ReceiveEvent");
 
     extra_hid =
         std::make_unique<ExtraHID>([this](const std::vector<u8>& data) { PutToReceive(data); });

src/core/hle/service/ir/ir_user.h

@@ -55,7 +55,7 @@ private:
 /// Interface to "ir:USER" service
 class IR_USER final : public ServiceFramework<IR_USER> {
 public:
-    IR_USER();
+    explicit IR_USER(Core::System& system);
     ~IR_USER();
 
     void ReloadInputDevices();

src/core/hle/service/mic_u.cpp

@@ -29,6 +29,11 @@ enum class SampleRate : u8 {
 };
 
 struct MIC_U::Impl {
+    explicit Impl(Core::System& system) {
+        buffer_full_event =
+            system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "MIC_U::buffer_full_event");
+    }
+
     void MapSharedMem(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx, 0x01, 1, 2};
         const u32 size = rp.Pop<u32>();
@@ -187,8 +192,7 @@ struct MIC_U::Impl {
     }
 
     u32 client_version = 0;
-    Kernel::SharedPtr<Kernel::Event> buffer_full_event =
-        Kernel::Event::Create(Kernel::ResetType::OneShot, "MIC_U::buffer_full_event");
+    Kernel::SharedPtr<Kernel::Event> buffer_full_event;
     Kernel::SharedPtr<Kernel::SharedMemory> shared_memory;
     u8 mic_gain = 0;
     bool mic_power = false;
@@ -266,7 +270,8 @@ void MIC_U::SetClientVersion(Kernel::HLERequestContext& ctx) {
     impl->SetClientVersion(ctx);
 }
 
-MIC_U::MIC_U() : ServiceFramework{"mic:u", 1}, impl{std::make_unique<Impl>()} {
+MIC_U::MIC_U(Core::System& system)
+    : ServiceFramework{"mic:u", 1}, impl{std::make_unique<Impl>(system)} {
     static const FunctionInfo functions[] = {
         {0x00010042, &MIC_U::MapSharedMem, "MapSharedMem"},
         {0x00020000, &MIC_U::UnmapSharedMem, "UnmapSharedMem"},
@@ -293,7 +298,7 @@ MIC_U::~MIC_U() = default;
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    std::make_shared<MIC_U>()->InstallAsService(service_manager);
+    std::make_shared<MIC_U>(system)->InstallAsService(service_manager);
 }
 
 } // namespace Service::MIC

src/core/hle/service/mic_u.h

@@ -16,7 +16,7 @@ namespace Service::MIC {
 
 class MIC_U final : public ServiceFramework<MIC_U> {
 public:
-    MIC_U();
+    explicit MIC_U(Core::System& system);
     ~MIC_U();
 
 private:

src/core/hle/service/nfc/nfc.cpp

@@ -140,18 +140,18 @@ Module::Interface::Interface(std::shared_ptr<Module> nfc, const char* name, u32
 
 Module::Interface::~Interface() = default;
 
-Module::Module() {
+Module::Module(Core::System& system) {
     tag_in_range_event =
-        Kernel::Event::Create(Kernel::ResetType::OneShot, "NFC::tag_in_range_event");
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "NFC::tag_in_range_event");
     tag_out_of_range_event =
-        Kernel::Event::Create(Kernel::ResetType::OneShot, "NFC::tag_out_range_event");
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "NFC::tag_out_range_event");
 }
 
 Module::~Module() = default;
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    auto nfc = std::make_shared<Module>();
+    auto nfc = std::make_shared<Module>(system);
     std::make_shared<NFC_M>(nfc)->InstallAsService(service_manager);
     std::make_shared<NFC_U>(nfc)->InstallAsService(service_manager);
 }

src/core/hle/service/nfc/nfc.h

@@ -41,7 +41,7 @@ enum class CommunicationStatus : u8 {
 
 class Module final {
 public:
-    Module();
+    explicit Module(Core::System& system);
     ~Module();
 
     class Interface : public ServiceFramework<Interface> {

src/core/hle/service/nim/nim.cpp

@@ -14,7 +14,7 @@ void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
     std::make_shared<NIM_AOC>()->InstallAsService(service_manager);
     std::make_shared<NIM_S>()->InstallAsService(service_manager);
-    std::make_shared<NIM_U>()->InstallAsService(service_manager);
+    std::make_shared<NIM_U>(system)->InstallAsService(service_manager);
 }
 
 } // namespace Service::NIM

src/core/hle/service/nim/nim_u.cpp

@@ -2,13 +2,14 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/service/nim/nim_u.h"
 
 namespace Service::NIM {
 
-NIM_U::NIM_U() : ServiceFramework("nim:u", 2) {
+NIM_U::NIM_U(Core::System& system) : ServiceFramework("nim:u", 2) {
     const FunctionInfo functions[] = {
         {0x00010000, nullptr, "StartSysUpdate"},
         {0x00020000, nullptr, "GetUpdateDownloadProgress"},
@@ -20,7 +21,7 @@ NIM_U::NIM_U() : ServiceFramework("nim:u", 2) {
     };
     RegisterHandlers(functions);
     nim_system_update_event =
-        Kernel::Event::Create(Kernel::ResetType::OneShot, "NIM System Update Event");
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "NIM System Update Event");
 }
 
 NIM_U::~NIM_U() = default;

src/core/hle/service/nim/nim_u.h

@@ -6,11 +6,15 @@
 
 #include "core/hle/service/service.h"
 
+namespace Core {
+class System;
+}
+
 namespace Service::NIM {
 
 class NIM_U final : public ServiceFramework<NIM_U> {
 public:
-    NIM_U();
+    explicit NIM_U(Core::System& system);
     ~NIM_U();
 
 private:

src/core/hle/service/nwm/nwm_uds.cpp

@@ -839,8 +839,8 @@ void NWM_UDS::Bind(Kernel::HLERequestContext& ctx) {
     }
 
     // Create a new event for this bind node.
-    auto event = Kernel::Event::Create(Kernel::ResetType::OneShot,
-                                       "NWM::BindNodeEvent" + std::to_string(bind_node_id));
+    auto event = system.Kernel().CreateEvent(Kernel::ResetType::OneShot,
+                                             "NWM::BindNodeEvent" + std::to_string(bind_node_id));
     std::lock_guard<std::mutex> lock(connection_status_mutex);
 
     ASSERT(channel_data.find(data_channel) == channel_data.end());
@@ -1355,7 +1355,7 @@ static void BeaconBroadcastCallback(u64 userdata, s64 cycles_late) {
                               beacon_broadcast_event, 0);
 }
 
-NWM_UDS::NWM_UDS(Core::System& system) : ServiceFramework("nwm::UDS") {
+NWM_UDS::NWM_UDS(Core::System& system) : ServiceFramework("nwm::UDS"), system(system) {
     static const FunctionInfo functions[] = {
         {0x000102C2, nullptr, "Initialize (deprecated)"},
         {0x00020000, nullptr, "Scrap"},
@@ -1388,7 +1388,7 @@ NWM_UDS::NWM_UDS(Core::System& system) : ServiceFramework("nwm::UDS") {
         {0x00220402, nullptr, "ScanOnConnection"},
     };
     connection_status_event =
-        Kernel::Event::Create(Kernel::ResetType::OneShot, "NWM::connection_status_event");
+        system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "NWM::connection_status_event");
 
     RegisterHandlers(functions);
 

src/core/hle/service/nwm/nwm_uds.h

@@ -112,6 +112,8 @@ public:
     ~NWM_UDS();
 
 private:
+    Core::System& system;
+
     void UpdateNetworkAttribute(Kernel::HLERequestContext& ctx);
 
     /**

src/core/hle/service/y2r_u.cpp

@@ -632,7 +632,7 @@ void Y2R_U::GetPackageParameter(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_Y2R, "called");
 }
 
-Y2R_U::Y2R_U() : ServiceFramework("y2r:u", 1) {
+Y2R_U::Y2R_U(Core::System& system) : ServiceFramework("y2r:u", 1) {
     static const FunctionInfo functions[] = {
         {0x00010040, &Y2R_U::SetInputFormat, "SetInputFormat"},
         {0x00020000, &Y2R_U::GetInputFormat, "GetInputFormat"},
@@ -682,14 +682,14 @@ Y2R_U::Y2R_U() : ServiceFramework("y2r:u", 1) {
     };
     RegisterHandlers(functions);
 
-    completion_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "Y2R:Completed");
+    completion_event = system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "Y2R:Completed");
 }
 
 Y2R_U::~Y2R_U() = default;
 
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
-    std::make_shared<Y2R_U>()->InstallAsService(service_manager);
+    std::make_shared<Y2R_U>(system)->InstallAsService(service_manager);
 }
 
 } // namespace Service::Y2R

src/core/hle/service/y2r_u.h

@@ -149,7 +149,7 @@ static_assert(sizeof(ConversionParameters) == 12, "ConversionParameters struct h
 
 class Y2R_U final : public ServiceFramework<Y2R_U> {
 public:
-    Y2R_U();
+    explicit Y2R_U(Core::System& system);
     ~Y2R_U() override;
 
 private:

src/tests/core/hle/kernel/hle_ipc.cpp

@@ -15,7 +15,8 @@
 namespace Kernel {
 
 static SharedPtr<Object> MakeObject() {
-    return Event::Create(ResetType::OneShot);
+    static Kernel::KernelSystem kernel(0);
+    return kernel.CreateEvent(ResetType::OneShot);
 }
 
 TEST_CASE("HLERequestContext::PopulateFromIncomingCommandBuffer", "[core][kernel]") {