remove WUP028 driver which is already handled by SDL3 on Linux

also restores automatic port assignment on non-Windows. This should be the default as https://github.com/patchzyy/Wiicompiled/pull/42 was never a necessary change

runtime/src/hle/input/pad.cpp

@@ -1,7 +1,9 @@
 #include "hle_stubs.h"
 #include "memory.h"
 #include "hle/controller_status_contract.h"
+#ifdef _WIN32
 #include "wup028_adapter.h"
+#endif
 
 #include <algorithm>
 #include <cstdio>
@@ -34,7 +36,9 @@ void WritePadStatus(uint32_t base, const PADStatus& status) {
 
 extern "C" uint32_t PAD__Init_HLE()
 {
+#if defined(_WIN32)
     Wup028Adapter::Initialize();
+#endif
     return PADInit() ? 1u : 0u;
 }
 PPC_NATIVE_OVERRIDE(801AF2F0, PAD__Init_HLE, uint32_t, (), ());
@@ -46,8 +50,9 @@ extern "C" uint32_t PAD__Read_HLE(uint32_t statusPtr)
     }
 
     PADStatus statuses[PAD_CHANMAX]{};
-    std::array<PADStatus, PAD_CHANMAX> adapterStatuses{};
     uint32_t rumbleMask = PADRead(statuses);
+#if defined(_WIN32)
+    std::array<PADStatus, PAD_CHANMAX> adapterStatuses{};
     if (Wup028Adapter::Read(adapterStatuses) && !PADIsInputBlocked()) {
         for (uint32_t port = 0; port < PAD_CHANMAX; ++port) {
             if (adapterStatuses[port].err == PAD_ERR_NONE) {
@@ -56,6 +61,7 @@ extern "C" uint32_t PAD__Read_HLE(uint32_t statusPtr)
             }
         }
     }
+#endif
 
     try {
         for (uint32_t i = 0; i < PAD_CHANMAX; ++i) {
@@ -84,8 +90,12 @@ PPC_NATIVE_OVERRIDE(801AF1E4, PAD__Recalibrate_HLE, uint32_t, (uint32_t mask), (
 
 extern "C" void PAD__ControlMotor_HLE(int32_t chan, uint32_t command)
 {
+#if defined(_WIN32)
     if (!Wup028Adapter::SetRumble(static_cast<uint32_t>(chan), command == PAD_MOTOR_RUMBLE)) {
         PADControlMotor(chan, command);
     }
+#else
+    PADControlMotor(chan, command);
+#endif
 }
 PPC_NATIVE_OVERRIDE_VOID(801AF908, PAD__ControlMotor_HLE, (int32_t chan, uint32_t command), (chan, command));

runtime/src/main.cpp

@@ -1377,7 +1377,9 @@ int RuntimeMain(int argc, char** argv) {
         }
         aurora_set_frame_worker_wait_callback(ServiceGuestTimingDuringAuroraFrameWait);
         GxGuestWrite::InstallAuroraHooks();
+#if defined(_WIN32)
         Wup028Adapter::Initialize();
+#endif
         UpdateMkwDynamicAspectSurface(auroraInfo.windowSize.native_fb_width,
                                       auroraInfo.windowSize.native_fb_height);
         settings_overlay::InitializeRuntimeSettings();
@@ -1419,7 +1421,9 @@ int RuntimeMain(int argc, char** argv) {
         // Shutdown fiber system
         Fiber::GuestFiberManager::Shutdown();
         WindowPlacementPersistence::Flush(true);
+#if defined(_WIN32)
         Wup028Adapter::Shutdown();
+#endif
         aurora_shutdown();
         SetRuntimeExitCodeImpl(0);
         ShutdownProcessTranscript();
@@ -1437,7 +1441,9 @@ int RuntimeMain(int argc, char** argv) {
         SetRuntimeExitCodeImpl(1);
         Fiber::GuestFiberManager::Shutdown();
         WindowPlacementPersistence::Flush(true);
+#if defined(_WIN32)
         Wup028Adapter::Shutdown();
+#endif
         aurora_shutdown();
         ShutdownProcessTranscript();
         return 1;
@@ -1449,7 +1455,9 @@ int RuntimeMain(int argc, char** argv) {
         SetRuntimeExitCodeImpl(1);
         Fiber::GuestFiberManager::Shutdown();
         WindowPlacementPersistence::Flush(true);
+#if defined(_WIN32)
         Wup028Adapter::Shutdown();
+#endif
         aurora_shutdown();
         ShutdownProcessTranscript();
         return 1;

runtime/src/settings_overlay.cpp

@@ -1,5 +1,7 @@
 #include "settings_overlay.h"
+#ifdef _WIN32
 #include "wup028_adapter.h"
+#endif
 #include "audio_backend.h"
 #include "controller_mapping_wizard.h"
 #include "game_graphics_options.h"
@@ -313,6 +315,12 @@ void ApplyConfiguredMappings() {
 }
 
 void DrawGameCubeAdapterInfo() {
+    // The official GameCube adapter is Windows-only (see wup028_adapter.cpp); on Linux/macOS,
+    // Wup028Adapter is a permanently-disconnected stub, and SDL3 already exposes the same
+    // hardware as a normal joystick, so this menu would only ever show "Searching" and four
+    // perpetually-empty adapter ports - confusing clutter for a feature that can't do anything
+    // on this platform. Skip it entirely rather than render a menu that never has content.
+#if defined(_WIN32)
     ImGui::Separator();
     if (!ImGui::BeginMenu("GameCube adapter info")) return;
 
@@ -338,6 +346,7 @@ void DrawGameCubeAdapterInfo() {
         }
     }
     ImGui::EndMenu();
+#endif
 }
 
 void DrawControllerSettings() {
@@ -351,13 +360,20 @@ void DrawControllerSettings() {
 
     ImGui::Separator();
     const uint32_t selectedGamePort = static_cast<uint32_t>(g_controllerPort);
+#if defined(_WIN32)
     const int adapterAssignment = Wup028Adapter::GetPortAssignment(selectedGamePort);
     if (adapterAssignment >= 0) {
         ImGui::Text("Assigned: GameCube adapter port %d", adapterAssignment + 1);
-    } else {
+    } else
+#endif
+    {
         const char* currentName = PADGetName(selectedGamePort);
         ImGui::Text("Assigned: %s", currentName != nullptr ? currentName : "None");
     }
+#if defined(_WIN32)
+    // Windows-only, same reasoning as DrawGameCubeAdapterInfo() above: on other platforms
+    // adapterAssignment is always -1 and every port would always read "(empty)", so this submenu
+    // would never have anything real to offer.
     if (ImGui::BeginMenu("Assign GameCube adapter port")) {
         if (ImGui::MenuItem("None", nullptr, adapterAssignment < 0)) {
             Wup028Adapter::SetPortAssignment(selectedGamePort, -1);
@@ -381,10 +397,13 @@ void DrawControllerSettings() {
         }
         ImGui::EndMenu();
     }
+#endif
     if (ImGui::MenuItem("Unassign controller")) {
         PADClearPort(selectedGamePort);
+#if defined(_WIN32)
         Wup028Adapter::SetPortAssignment(selectedGamePort, -1);
         RuntimeConfigFile::SetGameCubeAdapterPort(selectedGamePort, -1);
+#endif
         g_configuredControllerIndices.fill(std::numeric_limits<int32_t>::min());
     }
     ImGui::Separator();
@@ -392,7 +411,9 @@ void DrawControllerSettings() {
     const uint32_t controllerCount = PADCount();
     if (controllerCount == 0) {
         ImGui::TextDisabled("No controller connected");
+#if defined(_WIN32)
         DrawGameCubeAdapterInfo();
+#endif
         return;
     }
 
@@ -401,8 +422,10 @@ void DrawControllerSettings() {
             const char* name = PADGetNameForControllerIndex(index);
             ImGui::PushID(static_cast<int>(index));
             if (ImGui::MenuItem(name != nullptr ? name : "Unknown controller")) {
+#if defined(_WIN32)
                 Wup028Adapter::SetPortAssignment(selectedGamePort, -1);
                 RuntimeConfigFile::SetGameCubeAdapterPort(selectedGamePort, -1);
+#endif
                 PADSetPortForIndex(index, selectedGamePort);
                 g_configuredControllerIndices.fill(std::numeric_limits<int32_t>::min());
                 ApplyConfiguredMappings();
@@ -416,7 +439,9 @@ void DrawControllerSettings() {
     PADButtonMapping* mappings = PADGetButtonMappings(static_cast<uint32_t>(g_controllerPort), &mappingCount);
     if (mappings == nullptr || mappingCount != PAD_BUTTON_COUNT) {
         ImGui::TextDisabled("Assign a controller to edit its buttons");
+#if defined(_WIN32)
         DrawGameCubeAdapterInfo();
+#endif
         return;
     }
 
@@ -556,7 +581,9 @@ void DrawControllerSettings() {
         ImGui::TextUnformatted(kControllerButtons[i].label);
         ImGui::PopID();
     }
+#if defined(_WIN32)
     DrawGameCubeAdapterInfo();
+#endif
 }
 
 void DrawAudioSettings() {