hid: avoid direct pointer access of transfer memory objects

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

@@ -1,17 +1,18 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hid/emulated_console.h"
 #include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/console_sixaxis.h"
+#include "core/memory.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3C200;
 
-Controller_ConsoleSixAxis::Controller_ConsoleSixAxis(Core::HID::HIDCore& hid_core_,
-                                                     u8* raw_shared_memory_)
-    : ControllerBase{hid_core_} {
+Controller_ConsoleSixAxis::Controller_ConsoleSixAxis(Core::System& system_, u8* raw_shared_memory_)
+    : ControllerBase{system_.HIDCore()}, system{system_} {
     console = hid_core.GetEmulatedConsole();
     static_assert(SHARED_MEMORY_OFFSET + sizeof(ConsoleSharedMemory) < shared_memory_size,
                   "ConsoleSharedMemory is bigger than the shared memory");
@@ -26,7 +27,7 @@ void Controller_ConsoleSixAxis::OnInit() {}
 void Controller_ConsoleSixAxis::OnRelease() {}
 
 void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
-    if (!IsControllerActivated() || !is_transfer_memory_set) {
+    if (!IsControllerActivated() || transfer_memory == 0) {
         seven_sixaxis_lifo.buffer_count = 0;
         seven_sixaxis_lifo.buffer_tail = 0;
         return;
@@ -59,11 +60,10 @@ void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_ti
 
     // Update seven six axis transfer memory
     seven_sixaxis_lifo.WriteNextEntry(next_seven_sixaxis_state);
-    std::memcpy(transfer_memory, &seven_sixaxis_lifo, sizeof(seven_sixaxis_lifo));
+    system.Memory().WriteBlock(transfer_memory, &seven_sixaxis_lifo, sizeof(seven_sixaxis_lifo));
 }
 
-void Controller_ConsoleSixAxis::SetTransferMemoryPointer(u8* t_mem) {
-    is_transfer_memory_set = true;
+void Controller_ConsoleSixAxis::SetTransferMemoryAddress(VAddr t_mem) {
     transfer_memory = t_mem;
 }
 

src/core/hle/service/hid/controllers/console_sixaxis.h

@@ -10,6 +10,10 @@
 #include "core/hle/service/hid/controllers/controller_base.h"
 #include "core/hle/service/hid/ring_lifo.h"
 
+namespace Core {
+class System;
+} // namespace Core
+
 namespace Core::HID {
 class EmulatedConsole;
 } // namespace Core::HID
@@ -17,7 +21,7 @@ class EmulatedConsole;
 namespace Service::HID {
 class Controller_ConsoleSixAxis final : public ControllerBase {
 public:
-    explicit Controller_ConsoleSixAxis(Core::HID::HIDCore& hid_core_, u8* raw_shared_memory_);
+    explicit Controller_ConsoleSixAxis(Core::System& system_, u8* raw_shared_memory_);
     ~Controller_ConsoleSixAxis() override;
 
     // Called when the controller is initialized
@@ -30,7 +34,7 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
     // Called on InitializeSevenSixAxisSensor
-    void SetTransferMemoryPointer(u8* t_mem);
+    void SetTransferMemoryAddress(VAddr t_mem);
 
     // Called on ResetSevenSixAxisSensorTimestamp
     void ResetTimestamp();
@@ -62,12 +66,13 @@ private:
     static_assert(sizeof(seven_sixaxis_lifo) == 0xA70, "SevenSixAxisState is an invalid size");
 
     SevenSixAxisState next_seven_sixaxis_state{};
-    u8* transfer_memory = nullptr;
+    VAddr transfer_memory{};
     ConsoleSharedMemory* shared_memory = nullptr;
     Core::HID::EmulatedConsole* console = nullptr;
 
-    bool is_transfer_memory_set = false;
     u64 last_saved_timestamp{};
     u64 last_global_timestamp{};
+
+    Core::System& system;
 };
 } // namespace Service::HID

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

@@ -152,7 +152,7 @@ Result Controller_Palma::WritePalmaRgbLedPatternEntry(const PalmaConnectionHandl
 }
 
 Result Controller_Palma::WritePalmaWaveEntry(const PalmaConnectionHandle& handle, PalmaWaveSet wave,
-                                             u8* t_mem, u64 size) {
+                                             VAddr t_mem, u64 size) {
     if (handle.npad_id != active_handle.npad_id) {
         return InvalidPalmaHandle;
     }

src/core/hle/service/hid/controllers/palma.h

@@ -125,7 +125,7 @@ public:
     Result ReadPalmaUniqueCode(const PalmaConnectionHandle& handle);
     Result SetPalmaUniqueCodeInvalid(const PalmaConnectionHandle& handle);
     Result WritePalmaRgbLedPatternEntry(const PalmaConnectionHandle& handle, u64 unknown);
-    Result WritePalmaWaveEntry(const PalmaConnectionHandle& handle, PalmaWaveSet wave, u8* t_mem,
+    Result WritePalmaWaveEntry(const PalmaConnectionHandle& handle, PalmaWaveSet wave, VAddr t_mem,
                                u64 size);
     Result SetPalmaDataBaseIdentificationVersion(const PalmaConnectionHandle& handle,
                                                  s32 database_id_version_);

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

@@ -1858,7 +1858,7 @@ void Hid::InitializeSevenSixAxisSensor(Kernel::HLERequestContext& ctx) {
         .ActivateController();
 
     applet_resource->GetController<Controller_ConsoleSixAxis>(HidController::ConsoleSixAxisSensor)
-        .SetTransferMemoryPointer(system.Memory().GetPointer(t_mem_1->GetSourceAddress()));
+        .SetTransferMemoryAddress(t_mem_1->GetSourceAddress());
 
     LOG_WARNING(Service_HID,
                 "called, t_mem_1_handle=0x{:08X}, t_mem_2_handle=0x{:08X}, "
@@ -2145,8 +2145,7 @@ void Hid::WritePalmaWaveEntry(Kernel::HLERequestContext& ctx) {
                 connection_handle.npad_id, wave_set, unknown, t_mem_handle, t_mem_size, size);
 
     applet_resource->GetController<Controller_Palma>(HidController::Palma)
-        .WritePalmaWaveEntry(connection_handle, wave_set,
-                             system.Memory().GetPointer(t_mem->GetSourceAddress()), t_mem_size);
+        .WritePalmaWaveEntry(connection_handle, wave_set, t_mem->GetSourceAddress(), t_mem_size);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);

src/core/hle/service/hid/hid.h

@@ -60,9 +60,15 @@ public:
 private:
     template <typename T>
     void MakeController(HidController controller, u8* shared_memory) {
-        controllers[static_cast<std::size_t>(controller)] =
-            std::make_unique<T>(system.HIDCore(), shared_memory);
+        if constexpr (std::is_constructible_v<T, Core::System&, u8*>) {
+            controllers[static_cast<std::size_t>(controller)] =
+                std::make_unique<T>(system, shared_memory);
+        } else {
+            controllers[static_cast<std::size_t>(controller)] =
+                std::make_unique<T>(system.HIDCore(), shared_memory);
+        }
     }
+
     template <typename T>
     void MakeControllerWithServiceContext(HidController controller, u8* shared_memory) {
         controllers[static_cast<std::size_t>(controller)] =

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

@@ -472,7 +472,7 @@ void HidBus::EnableJoyPollingReceiveMode(Kernel::HLERequestContext& ctx) {
     if (device_index) {
         auto& device = devices[device_index.value()].device;
         device->SetPollingMode(polling_mode_);
-        device->SetTransferMemoryPointer(system.Memory().GetPointer(t_mem->GetSourceAddress()));
+        device->SetTransferMemoryAddress(t_mem->GetSourceAddress());
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);

src/core/hle/service/hid/hidbus.h

@@ -115,8 +115,7 @@ private:
     void MakeDevice(BusHandle handle) {
         const auto device_index = GetDeviceIndexFromHandle(handle);
         if (device_index) {
-            devices[device_index.value()].device =
-                std::make_unique<T>(system.HIDCore(), service_context);
+            devices[device_index.value()].device = std::make_unique<T>(system, service_context);
         }
     }
 

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

@@ -9,8 +9,8 @@
 
 namespace Service::HID {
 
-HidbusBase::HidbusBase(KernelHelpers::ServiceContext& service_context_)
-    : service_context(service_context_) {
+HidbusBase::HidbusBase(Core::System& system_, KernelHelpers::ServiceContext& service_context_)
+    : system(system_), service_context(service_context_) {
     send_command_async_event = service_context.CreateEvent("hidbus:SendCommandAsyncEvent");
 }
 HidbusBase::~HidbusBase() = default;
@@ -59,8 +59,7 @@ void HidbusBase::DisablePollingMode() {
     polling_mode_enabled = false;
 }
 
-void HidbusBase::SetTransferMemoryPointer(u8* t_mem) {
-    is_transfer_memory_set = true;
+void HidbusBase::SetTransferMemoryAddress(VAddr t_mem) {
     transfer_memory = t_mem;
 }
 

src/core/hle/service/hid/hidbus/hidbus_base.h

@@ -8,6 +8,10 @@
 #include "common/common_types.h"
 #include "core/hle/result.h"
 
+namespace Core {
+class System;
+}
+
 namespace Kernel {
 class KEvent;
 class KReadableEvent;
@@ -106,7 +110,7 @@ static_assert(sizeof(ButtonOnlyPollingDataAccessor) == 0x2F0,
 
 class HidbusBase {
 public:
-    explicit HidbusBase(KernelHelpers::ServiceContext& service_context_);
+    explicit HidbusBase(Core::System& system_, KernelHelpers::ServiceContext& service_context_);
     virtual ~HidbusBase();
 
     void ActivateDevice();
@@ -134,7 +138,7 @@ public:
     void DisablePollingMode();
 
     // Called on EnableJoyPollingReceiveMode
-    void SetTransferMemoryPointer(u8* t_mem);
+    void SetTransferMemoryAddress(VAddr t_mem);
 
     Kernel::KReadableEvent& GetSendCommandAsycEvent() const;
 
@@ -170,9 +174,9 @@ protected:
     JoyEnableSixAxisDataAccessor enable_sixaxis_data{};
     ButtonOnlyPollingDataAccessor button_only_data{};
 
-    u8* transfer_memory{nullptr};
-    bool is_transfer_memory_set{};
+    VAddr transfer_memory{};
 
+    Core::System& system;
     Kernel::KEvent* send_command_async_event;
     KernelHelpers::ServiceContext& service_context;
 };

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

@@ -1,18 +1,20 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/core.h"
 #include "core/hid/emulated_controller.h"
 #include "core/hid/hid_core.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/service/hid/hidbus/ringcon.h"
+#include "core/memory.h"
 
 namespace Service::HID {
 
-RingController::RingController(Core::HID::HIDCore& hid_core_,
+RingController::RingController(Core::System& system_,
                                KernelHelpers::ServiceContext& service_context_)
-    : HidbusBase(service_context_) {
-    input = hid_core_.GetEmulatedController(Core::HID::NpadIdType::Player1);
+    : HidbusBase(system_, service_context_) {
+    input = system.HIDCore().GetEmulatedController(Core::HID::NpadIdType::Player1);
 }
 
 RingController::~RingController() = default;
@@ -38,7 +40,7 @@ void RingController::OnUpdate() {
         return;
     }
 
-    if (!polling_mode_enabled || !is_transfer_memory_set) {
+    if (!polling_mode_enabled || transfer_memory == 0) {
         return;
     }
 
@@ -62,7 +64,8 @@ void RingController::OnUpdate() {
         curr_entry.polling_data.out_size = sizeof(ringcon_value);
         std::memcpy(curr_entry.polling_data.data.data(), &ringcon_value, sizeof(ringcon_value));
 
-        std::memcpy(transfer_memory, &enable_sixaxis_data, sizeof(enable_sixaxis_data));
+        system.Memory().WriteBlock(transfer_memory, &enable_sixaxis_data,
+                                   sizeof(enable_sixaxis_data));
         break;
     }
     default:

src/core/hle/service/hid/hidbus/ringcon.h

@@ -17,8 +17,7 @@ namespace Service::HID {
 
 class RingController final : public HidbusBase {
 public:
-    explicit RingController(Core::HID::HIDCore& hid_core_,
-                            KernelHelpers::ServiceContext& service_context_);
+    explicit RingController(Core::System& system_, KernelHelpers::ServiceContext& service_context_);
     ~RingController() override;
 
     void OnInit() override;

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

@@ -8,8 +8,8 @@
 namespace Service::HID {
 constexpr u8 DEVICE_ID = 0x28;
 
-Starlink::Starlink(Core::HID::HIDCore& hid_core_, KernelHelpers::ServiceContext& service_context_)
-    : HidbusBase(service_context_) {}
+Starlink::Starlink(Core::System& system_, KernelHelpers::ServiceContext& service_context_)
+    : HidbusBase(system_, service_context_) {}
 Starlink::~Starlink() = default;
 
 void Starlink::OnInit() {
@@ -27,7 +27,7 @@ void Starlink::OnUpdate() {
     if (!device_enabled) {
         return;
     }
-    if (!polling_mode_enabled || !is_transfer_memory_set) {
+    if (!polling_mode_enabled || transfer_memory == 0) {
         return;
     }
 

src/core/hle/service/hid/hidbus/starlink.h

@@ -14,8 +14,7 @@ namespace Service::HID {
 
 class Starlink final : public HidbusBase {
 public:
-    explicit Starlink(Core::HID::HIDCore& hid_core_,
-                      KernelHelpers::ServiceContext& service_context_);
+    explicit Starlink(Core::System& system_, KernelHelpers::ServiceContext& service_context_);
     ~Starlink() override;
 
     void OnInit() override;

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

@@ -8,9 +8,8 @@
 namespace Service::HID {
 constexpr u8 DEVICE_ID = 0xFF;
 
-HidbusStubbed::HidbusStubbed(Core::HID::HIDCore& hid_core_,
-                             KernelHelpers::ServiceContext& service_context_)
-    : HidbusBase(service_context_) {}
+HidbusStubbed::HidbusStubbed(Core::System& system_, KernelHelpers::ServiceContext& service_context_)
+    : HidbusBase(system_, service_context_) {}
 HidbusStubbed::~HidbusStubbed() = default;
 
 void HidbusStubbed::OnInit() {
@@ -28,7 +27,7 @@ void HidbusStubbed::OnUpdate() {
     if (!device_enabled) {
         return;
     }
-    if (!polling_mode_enabled || !is_transfer_memory_set) {
+    if (!polling_mode_enabled || transfer_memory == 0) {
         return;
     }
 

src/core/hle/service/hid/hidbus/stubbed.h

@@ -14,8 +14,7 @@ namespace Service::HID {
 
 class HidbusStubbed final : public HidbusBase {
 public:
-    explicit HidbusStubbed(Core::HID::HIDCore& hid_core_,
-                           KernelHelpers::ServiceContext& service_context_);
+    explicit HidbusStubbed(Core::System& system_, KernelHelpers::ServiceContext& service_context_);
     ~HidbusStubbed() override;
 
     void OnInit() override;

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

@@ -208,8 +208,6 @@ void IRS::RunImageTransferProcessor(Kernel::HLERequestContext& ctx) {
 
     ASSERT_MSG(t_mem->GetSize() == parameters.transfer_memory_size, "t_mem has incorrect size");
 
-    u8* transfer_memory = system.Memory().GetPointer(t_mem->GetSourceAddress());
-
     LOG_INFO(Service_IRS,
              "called, npad_type={}, npad_id={}, transfer_memory_size={}, transfer_memory_size={}, "
              "applet_resource_user_id={}",
@@ -224,7 +222,7 @@ void IRS::RunImageTransferProcessor(Kernel::HLERequestContext& ctx) {
         auto& image_transfer_processor =
             GetProcessor<ImageTransferProcessor>(parameters.camera_handle);
         image_transfer_processor.SetConfig(parameters.processor_config);
-        image_transfer_processor.SetTransferMemoryPointer(transfer_memory);
+        image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress());
         npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
                                     Common::Input::PollingMode::IR);
     }
@@ -448,8 +446,6 @@ void IRS::RunImageTransferExProcessor(Kernel::HLERequestContext& ctx) {
     auto t_mem = system.ApplicationProcess()->GetHandleTable().GetObject<Kernel::KTransferMemory>(
         t_mem_handle);
 
-    u8* transfer_memory = system.Memory().GetPointer(t_mem->GetSourceAddress());
-
     LOG_INFO(Service_IRS,
              "called, npad_type={}, npad_id={}, transfer_memory_size={}, "
              "applet_resource_user_id={}",
@@ -464,7 +460,7 @@ void IRS::RunImageTransferExProcessor(Kernel::HLERequestContext& ctx) {
         auto& image_transfer_processor =
             GetProcessor<ImageTransferProcessor>(parameters.camera_handle);
         image_transfer_processor.SetConfig(parameters.processor_config);
-        image_transfer_processor.SetTransferMemoryPointer(transfer_memory);
+        image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress());
         npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
                                     Common::Input::PollingMode::IR);
     }

src/core/hle/service/hid/irs.h

@@ -80,7 +80,13 @@ private:
             LOG_CRITICAL(Service_IRS, "Invalid index {}", index);
             return;
         }
-        processors[index] = std::make_unique<T>(system.HIDCore(), device_state, index);
+
+        if constexpr (std::is_constructible_v<T, Core::System&, Core::IrSensor::DeviceFormat&,
+                                              std::size_t>) {
+            processors[index] = std::make_unique<T>(system, device_state, index);
+        } else {
+            processors[index] = std::make_unique<T>(system.HIDCore(), device_state, index);
+        }
     }
 
     template <typename T>

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

@@ -1,16 +1,18 @@
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include "core/core.h"
 #include "core/hid/emulated_controller.h"
 #include "core/hid/hid_core.h"
 #include "core/hle/service/hid/irsensor/image_transfer_processor.h"
+#include "core/memory.h"
 
 namespace Service::IRS {
-ImageTransferProcessor::ImageTransferProcessor(Core::HID::HIDCore& hid_core_,
+ImageTransferProcessor::ImageTransferProcessor(Core::System& system_,
                                                Core::IrSensor::DeviceFormat& device_format,
                                                std::size_t npad_index)
-    : device{device_format} {
-    npad_device = hid_core_.GetEmulatedControllerByIndex(npad_index);
+    : device{device_format}, system{system_} {
+    npad_device = system.HIDCore().GetEmulatedControllerByIndex(npad_index);
 
     Core::HID::ControllerUpdateCallback engine_callback{
         .on_change = [this](Core::HID::ControllerTriggerType type) { OnControllerUpdate(type); },
@@ -43,7 +45,7 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
     if (type != Core::HID::ControllerTriggerType::IrSensor) {
         return;
     }
-    if (!is_transfer_memory_set) {
+    if (transfer_memory == 0) {
         return;
     }
 
@@ -56,14 +58,16 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
     if (camera_data.format != current_config.origin_format) {
         LOG_WARNING(Service_IRS, "Wrong Input format {} expected {}", camera_data.format,
                     current_config.origin_format);
-        memset(transfer_memory, 0, GetDataSize(current_config.trimming_format));
+        system.Memory().ZeroBlock(*system.ApplicationProcess(), transfer_memory,
+                                  GetDataSize(current_config.trimming_format));
         return;
     }
 
     if (current_config.origin_format > current_config.trimming_format) {
         LOG_WARNING(Service_IRS, "Origin format {} is smaller than trimming format {}",
                     current_config.origin_format, current_config.trimming_format);
-        memset(transfer_memory, 0, GetDataSize(current_config.trimming_format));
+        system.Memory().ZeroBlock(*system.ApplicationProcess(), transfer_memory,
+                                  GetDataSize(current_config.trimming_format));
         return;
     }
 
@@ -80,7 +84,8 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
                     "Trimming area ({}, {}, {}, {}) is outside of origin area ({}, {})",
                     current_config.trimming_start_x, current_config.trimming_start_y,
                     trimming_width, trimming_height, origin_width, origin_height);
-        memset(transfer_memory, 0, GetDataSize(current_config.trimming_format));
+        system.Memory().ZeroBlock(*system.ApplicationProcess(), transfer_memory,
+                                  GetDataSize(current_config.trimming_format));
         return;
     }
 
@@ -94,7 +99,8 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
         }
     }
 
-    memcpy(transfer_memory, window_data.data(), GetDataSize(current_config.trimming_format));
+    system.Memory().WriteBlock(transfer_memory, window_data.data(),
+                               GetDataSize(current_config.trimming_format));
 
     if (!IsProcessorActive()) {
         StartProcessor();
@@ -134,8 +140,7 @@ void ImageTransferProcessor::SetConfig(
     npad_device->SetCameraFormat(current_config.origin_format);
 }
 
-void ImageTransferProcessor::SetTransferMemoryPointer(u8* t_mem) {
-    is_transfer_memory_set = true;
+void ImageTransferProcessor::SetTransferMemoryAddress(VAddr t_mem) {
     transfer_memory = t_mem;
 }
 
@@ -143,7 +148,7 @@ Core::IrSensor::ImageTransferProcessorState ImageTransferProcessor::GetState(
     std::vector<u8>& data) const {
     const auto size = GetDataSize(current_config.trimming_format);
     data.resize(size);
-    memcpy(data.data(), transfer_memory, size);
+    system.Memory().ReadBlock(transfer_memory, data.data(), size);
     return processor_state;
 }
 

src/core/hle/service/hid/irsensor/image_transfer_processor.h

@@ -7,6 +7,10 @@
 #include "core/hid/irs_types.h"
 #include "core/hle/service/hid/irsensor/processor_base.h"
 
+namespace Core {
+class System;
+}
+
 namespace Core::HID {
 class EmulatedController;
 } // namespace Core::HID
@@ -14,7 +18,7 @@ class EmulatedController;
 namespace Service::IRS {
 class ImageTransferProcessor final : public ProcessorBase {
 public:
-    explicit ImageTransferProcessor(Core::HID::HIDCore& hid_core_,
+    explicit ImageTransferProcessor(Core::System& system_,
                                     Core::IrSensor::DeviceFormat& device_format,
                                     std::size_t npad_index);
     ~ImageTransferProcessor() override;
@@ -33,7 +37,7 @@ public:
     void SetConfig(Core::IrSensor::PackedImageTransferProcessorExConfig config);
 
     // Transfer memory where the image data will be stored
-    void SetTransferMemoryPointer(u8* t_mem);
+    void SetTransferMemoryAddress(VAddr t_mem);
 
     Core::IrSensor::ImageTransferProcessorState GetState(std::vector<u8>& data) const;
 
@@ -67,7 +71,7 @@ private:
     Core::HID::EmulatedController* npad_device;
     int callback_key{};
 
-    u8* transfer_memory = nullptr;
-    bool is_transfer_memory_set = false;
+    Core::System& system;
+    VAddr transfer_memory{};
 };
 } // namespace Service::IRS