1 files changed, 10 insertions, 9 deletions
diff --git a/src/core/hle/service/hid/controllers/debug_pad.cpp b/src/core/hle/service/hid/controllers/debug_pad.cpp
index 73309d64e..8ec9f4a95 100644
--- a/src/core/hle/service/hid/controllers/debug_pad.cpp
+++ b/src/core/hle/service/hid/controllers/debug_pad.cpp
@@ -13,8 +13,12 @@
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x00000;
 
-Controller_DebugPad::Controller_DebugPad(Core::HID::HIDCore& hid_core_)
+Controller_DebugPad::Controller_DebugPad(Core::HID::HIDCore& hid_core_, u8* raw_shared_memory_)
     : ControllerBase{hid_core_} {
+    static_assert(SHARED_MEMORY_OFFSET + sizeof(DebugPadSharedMemory) < shared_memory_size,
+                  "DebugPadSharedMemory is bigger than the shared memory");
+    shared_memory = std::construct_at(
+        reinterpret_cast<DebugPadSharedMemory*>(raw_shared_memory_ + SHARED_MEMORY_OFFSET));
     controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Other);
 }
 
@@ -24,16 +28,14 @@ void Controller_DebugPad::OnInit() {}
 
 void Controller_DebugPad::OnRelease() {}
 
-void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
-                                   std::size_t size) {
+void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
     if (!IsControllerActivated()) {
-        debug_pad_lifo.buffer_count = 0;
-        debug_pad_lifo.buffer_tail = 0;
-        std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
+        shared_memory->debug_pad_lifo.buffer_count = 0;
+        shared_memory->debug_pad_lifo.buffer_tail = 0;
         return;
     }
 
-    const auto& last_entry = debug_pad_lifo.ReadCurrentEntry().state;
+    const auto& last_entry = shared_memory->debug_pad_lifo.ReadCurrentEntry().state;
     next_state.sampling_number = last_entry.sampling_number + 1;
 
     if (Settings::values.debug_pad_enabled) {
@@ -47,8 +49,7 @@ void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing,
         next_state.r_stick = stick_state.right;
     }
 
-    debug_pad_lifo.WriteNextEntry(next_state);
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
+    shared_memory->debug_pad_lifo.WriteNextEntry(next_state);
 }
 
 } // namespace Service::HID