Show vWii System Menu version in Menu Bar

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java

@@ -161,9 +161,12 @@ public final class MainActivity extends AppCompatActivity
 
     if (WiiUtils.isSystemMenuInstalled())
     {
+      int resId = WiiUtils.isSystemMenuvWii() ?
+              R.string.grid_menu_load_vwii_system_menu_installed :
+              R.string.grid_menu_load_wii_system_menu_installed;
+
       menu.findItem(R.id.menu_load_wii_system_menu).setTitle(
-              getString(R.string.grid_menu_load_wii_system_menu_installed,
-                      WiiUtils.getSystemMenuVersion()));
+              getString(resId, WiiUtils.getSystemMenuVersion()));
     }
 
     return true;

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUtils.java

@@ -32,6 +32,8 @@ public final class WiiUtils
 
   public static native boolean isSystemMenuInstalled();
 
+  public static native boolean isSystemMenuvWii();
+
   public static native String getSystemMenuVersion();
 
   public static native boolean syncSdFolderToSdImage();

Source/Android/app/src/main/res/values/strings.xml

@@ -441,6 +441,7 @@
     <string name="grid_menu_online_system_update">Perform Online System Update</string>
     <string name="grid_menu_load_wii_system_menu">Load Wii System Menu</string>
     <string name="grid_menu_load_wii_system_menu_installed">Load Wii System Menu (%s)</string>
+    <string name="grid_menu_load_vwii_system_menu_installed">Load vWii System Menu (%s)</string>
     <string name="import_in_progress">Importing...</string>
     <string name="export_in_progress">Exporting...</string>
     <string name="do_not_close_app">Do not close the app!</string>

Source/Android/jni/WiiUtils.cpp

@@ -165,6 +165,15 @@ Java_org_dolphinemu_dolphinemu_utils_WiiUtils_isSystemMenuInstalled(JNIEnv* env,
   return tmd.IsValid();
 }
 
+JNIEXPORT jboolean JNICALL
+Java_org_dolphinemu_dolphinemu_utils_WiiUtils_isSystemMenuvWii(JNIEnv* env, jclass)
+{
+  IOS::HLE::Kernel ios;
+  const auto tmd = ios.GetES()->FindInstalledTMD(Titles::SYSTEM_MENU);
+
+  return tmd.IsvWii();
+}
+
 JNIEXPORT jstring JNICALL
 Java_org_dolphinemu_dolphinemu_utils_WiiUtils_getSystemMenuVersion(JNIEnv* env, jclass)
 {
@@ -176,7 +185,7 @@ Java_org_dolphinemu_dolphinemu_utils_WiiUtils_getSystemMenuVersion(JNIEnv* env,
     return ToJString(env, "");
   }
 
-  return ToJString(env, DiscIO::GetSysMenuVersionString(tmd.GetTitleVersion()));
+  return ToJString(env, DiscIO::GetSysMenuVersionString(tmd.GetTitleVersion(), tmd.IsvWii()));
 }
 
 JNIEXPORT jboolean JNICALL

Source/Core/Core/IOS/ES/Formats.cpp

@@ -291,6 +291,11 @@ DiscIO::Region TMDReader::GetRegion() const
   return region <= DiscIO::Region::NTSC_K ? region : DiscIO::Region::Unknown;
 }
 
+bool TMDReader::IsvWii() const
+{
+  return *(m_bytes.data() + offsetof(TMDHeader, is_vwii));
+}
+
 std::string TMDReader::GetGameID() const
 {
   char game_id[6];

Source/Core/Core/IOS/ES/Formats.h

@@ -68,6 +68,8 @@ struct TMDHeader
   u8 tmd_version;
   u8 ca_crl_version;
   u8 signer_crl_version;
+  // This is usually an always 0 padding byte, which is set to 1 on vWii TMDs
+  u8 is_vwii;
   u64 ios_id;
   u64 title_id;
   u32 title_flags;
@@ -85,6 +87,7 @@ struct TMDHeader
   u16 fill2;
 };
 static_assert(sizeof(TMDHeader) == 0x1e4, "TMDHeader has the wrong size");
+static_assert(offsetof(TMDHeader, ios_id) == 0x184);
 
 struct Content
 {
@@ -200,6 +203,7 @@ public:
   u16 GetTitleVersion() const;
   u16 GetGroupId() const;
   DiscIO::Region GetRegion() const;
+  bool IsvWii() const;
 
   // Constructs a 6-character game ID in the format typically used by Dolphin.
   // If the 6-character game ID would contain unprintable characters,

Source/Core/DiscIO/Enums.cpp

@@ -362,7 +362,7 @@ Region GetSysMenuRegion(u16 title_version)
   }
 }
 
-std::string GetSysMenuVersionString(u16 title_version)
+std::string GetSysMenuVersionString(u16 title_version, bool is_vwii)
 {
   std::string version;
   char region_letter = '\0';
@@ -386,6 +386,27 @@ std::string GetSysMenuVersionString(u16 title_version)
     break;
   }
 
+  if (is_vwii)
+  {
+    // For vWii return the Wii U version which installed the menu
+    switch (title_version & 0xff0)
+    {
+    case 512:
+      version = "1.0.0";
+      break;
+    case 544:
+      version = "4.0.0";
+      break;
+    case 608:
+      version = "5.2.0";
+      break;
+    default:
+      version = "?.?.?";
+      break;
+    }
+  }
+  else
+  {
     switch (title_version & 0xff0)
     {
     case 32:
@@ -433,6 +454,7 @@ std::string GetSysMenuVersionString(u16 title_version)
       version = "?.?";
       break;
     }
+  }
 
   if (region_letter != '\0')
     version += region_letter;

Source/Core/DiscIO/Enums.h

@@ -88,7 +88,7 @@ Country CountryCodeToCountry(u8 country_code, Platform platform, Region region =
                              std::optional<u16> revision = {});
 
 Region GetSysMenuRegion(u16 title_version);
-std::string GetSysMenuVersionString(u16 title_version);
+std::string GetSysMenuVersionString(u16 title_version, bool is_vwii);
 
 const std::string& GetCompanyFromID(const std::string& company_id);
 }  // namespace DiscIO

Source/Core/DolphinQt/MenuBar.cpp

@@ -1010,10 +1010,14 @@ void MenuBar::UpdateToolsMenu(bool emulation_started)
     const auto tmd = ios.GetES()->FindInstalledTMD(Titles::SYSTEM_MENU);
 
     const QString sysmenu_version =
-        tmd.IsValid() ?
-            QString::fromStdString(DiscIO::GetSysMenuVersionString(tmd.GetTitleVersion())) :
+        tmd.IsValid() ? QString::fromStdString(
+                            DiscIO::GetSysMenuVersionString(tmd.GetTitleVersion(), tmd.IsvWii())) :
                         QString{};
-    m_boot_sysmenu->setText(tr("Load Wii System Menu %1").arg(sysmenu_version));
+
+    const QString sysmenu_text = (tmd.IsValid() && tmd.IsvWii()) ? tr("Load vWii System Menu %1") :
+                                                                   tr("Load Wii System Menu %1");
+
+    m_boot_sysmenu->setText(sysmenu_text.arg(sysmenu_version));
 
     m_boot_sysmenu->setEnabled(tmd.IsValid());