Merge pull request #1770 from DarkLordZach/applet-stub

applets: Add StubApplet and use it as fallback when AppletId is not implemented

src/core/hle/service/am/am.cpp

@@ -6,8 +6,6 @@
 #include <cinttypes>
 #include <cstring>
 #include <stack>
-#include "applets/applets.h"
-#include "applets/software_keyboard.h"
 #include "audio_core/audio_renderer.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
@@ -18,6 +16,9 @@
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
+#include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/software_keyboard.h"
+#include "core/hle/service/am/applets/stub_applet.h"
 #include "core/hle/service/am/idle.h"
 #include "core/hle/service/am/omm.h"
 #include "core/hle/service/am/spsm.h"
@@ -761,8 +762,9 @@ static std::shared_ptr<Applets::Applet> GetAppletFromId(AppletId id) {
     case AppletId::SoftwareKeyboard:
         return std::make_shared<Applets::SoftwareKeyboard>();
     default:
-        UNREACHABLE_MSG("Unimplemented AppletId [{:08X}]!", static_cast<u32>(id));
-        return nullptr;
+        LOG_ERROR(Service_AM, "Unimplemented AppletId [{:08X}]! -- Falling back to stub!",
+                  static_cast<u32>(id));
+        return std::make_shared<Applets::StubApplet>();
     }
 }
 

src/core/hle/service/am/applets/stub_applet.cpp

@@ -0,0 +1,70 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <string>
+
+#include "common/hex_util.h"
+#include "common/logging/log.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/stub_applet.h"
+
+namespace Service::AM::Applets {
+
+static void LogCurrentStorage(AppletDataBroker& broker, std::string prefix) {
+    std::unique_ptr<IStorage> storage = broker.PopNormalDataToApplet();
+    for (; storage != nullptr; storage = broker.PopNormalDataToApplet()) {
+        const auto data = storage->GetData();
+        LOG_INFO(Service_AM,
+                 "called (STUBBED), during {} recieved normal data with size={:08X}, data={}",
+                 prefix, data.size(), Common::HexVectorToString(data));
+    }
+
+    storage = broker.PopInteractiveDataToApplet();
+    for (; storage != nullptr; storage = broker.PopInteractiveDataToApplet()) {
+        const auto data = storage->GetData();
+        LOG_INFO(Service_AM,
+                 "called (STUBBED), during {} recieved interactive data with size={:08X}, data={}",
+                 prefix, data.size(), Common::HexVectorToString(data));
+    }
+}
+
+StubApplet::StubApplet() = default;
+
+StubApplet::~StubApplet() = default;
+
+void StubApplet::Initialize() {
+    LOG_WARNING(Service_AM, "called (STUBBED)");
+    Applet::Initialize();
+    LogCurrentStorage(broker, "Initialize");
+}
+
+bool StubApplet::TransactionComplete() const {
+    LOG_WARNING(Service_AM, "called (STUBBED)");
+    return true;
+}
+
+ResultCode StubApplet::GetStatus() const {
+    LOG_WARNING(Service_AM, "called (STUBBED)");
+    return RESULT_SUCCESS;
+}
+
+void StubApplet::ExecuteInteractive() {
+    LOG_WARNING(Service_AM, "called (STUBBED)");
+    LogCurrentStorage(broker, "ExecuteInteractive");
+
+    broker.PushNormalDataFromApplet(IStorage{std::vector<u8>(0x1000)});
+    broker.PushInteractiveDataFromApplet(IStorage{std::vector<u8>(0x1000)});
+    broker.SignalStateChanged();
+}
+
+void StubApplet::Execute() {
+    LOG_WARNING(Service_AM, "called (STUBBED)");
+    LogCurrentStorage(broker, "Execute");
+
+    broker.PushNormalDataFromApplet(IStorage{std::vector<u8>(0x1000)});
+    broker.PushInteractiveDataFromApplet(IStorage{std::vector<u8>(0x1000)});
+    broker.SignalStateChanged();
+}
+} // namespace Service::AM::Applets

src/core/hle/service/am/applets/stub_applet.h

@@ -0,0 +1,24 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Service::AM::Applets {
+
+class StubApplet final : public Applet {
+public:
+    StubApplet();
+    ~StubApplet() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+};
+
+} // namespace Service::AM::Applets