apt: GetAppletInfo

src/core/hle/service/apt/apt.cpp

@@ -29,6 +29,10 @@ namespace APT {
 // correctly mapping it in Citra, however we still do not understand how the mapping is determined.
 static const VAddr SHARED_FONT_VADDR = 0x18000000;
 
+static const u32 TID_HI_APPLET = 0x00040030;
+
+static const u32 TID_LOW_SWKBD = 0x0000C802;
+
 /// Handle to shared memory region designated to for shared system font
 static Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
 
@@ -128,7 +132,7 @@ void GetAppletManInfo(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 unk = cmd_buff[1];
     cmd_buff[1] = RESULT_SUCCESS.raw; // No error
-    cmd_buff[2] = 0;
+    cmd_buff[2] = static_cast<u32>(AppletAttr::SYS);
     cmd_buff[3] = 0;
     cmd_buff[4] = static_cast<u32>(AppletId::HomeMenu); // Home menu AppID
     cmd_buff[5] = static_cast<u32>(AppletId::Application); // TODO(purpasmart96): Do this correctly
@@ -136,6 +140,33 @@ void GetAppletManInfo(Service::Interface* self) {
     LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
 }
 
+
+void GetAppletInfo(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    AppletId app_id = static_cast<AppletId>(cmd_buff[1]);
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    switch(app_id) {
+        case AppletId::SoftwareKeyboard2:
+            cmd_buff[2] = TID_LOW_SWKBD;
+            break;
+        default:
+            cmd_buff[2] = 0;
+            LOG_WARNING(Service_APT, "No title ID low for AppletID=0x%08X", app_id);
+            break;
+    }
+
+    cmd_buff[3] = TID_HI_APPLET;
+    cmd_buff[4] = 0; // NAND
+    cmd_buff[5] = true;
+    cmd_buff[6] = true;
+    cmd_buff[7] = static_cast<u32>(AppletAttr::SYS);
+
+    LOG_WARNING(Service_APT, "(STUBBED) called AppletID=0x%08X", app_id);
+}
+
 void IsRegistered(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 app_id = cmd_buff[1];

src/core/hle/service/apt/apt.h

@@ -66,6 +66,14 @@ enum class AppletId : u32 {
     SoftwareKeyboard2  = 0x401,
 };
 
+enum class AppletAttr : u32 {
+    APP      = 0x00,
+    APPLIB   = 0x01,
+    SYS      = 0x02,
+    SYSLIB   = 0x03,
+    RESIDENT = 0x04,
+};
+
 /// Send a parameter to the currently-running application, which will read it via ReceiveParameter
 void SendParameter(const MessageParameter& parameter);
 
@@ -122,16 +130,31 @@ void Enable(Service::Interface* self);
 /**
 * APT::GetAppletManInfo service function.
 *  Inputs:
- *      1 : Unknown
+*      1 : AppletPos
 *  Outputs:
 *      1 : Result of function, 0 on success, otherwise error code
- *      2 : Unknown u32 value
- *      3 : Unknown u8 value
+*      2 : AppletPos
+*      3 : Requested AppID
 *      4 : Home Menu AppId
 *      5 : AppID of currently active app
 */
 void GetAppletManInfo(Service::Interface* self);
 
+/**
+* APT::GetAppletInfo service function.
+*  Inputs:
+*      1 : AppID
+*  Outputs:
+*      1 : Result of function, 0 on success, otherwise error code
+*      2 : TitleID (low 32 bits)
+*      3 : TitleID (hi 32 bits)
+*      4 : Media Type
+*      5 : Registered
+*      6 : Loaded
+*      7 : AppletAttr
+*/
+void GetAppletInfo(Service::Interface* self);
+
 /**
  * APT::IsRegistered service function. This returns whether the specified AppID is registered with NS yet.
  * An AppID is "registered" once the process associated with the AppID uses APT:Enable. Home Menu uses this

src/core/hle/service/apt/apt_u.cpp

@@ -14,7 +14,7 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x00030040, Enable,                          "Enable"},
     {0x00040040, nullptr,                         "Finalize"},
     {0x00050040, GetAppletManInfo,                "GetAppletManInfo"},
-    {0x00060040, nullptr,                         "GetAppletInfo"},
+    {0x00060040, GetAppletInfo,                   "GetAppletInfo"},
     {0x00070000, nullptr,                         "GetLastSignaledAppletId"},
     {0x00080000, nullptr,                         "CountRegisteredApplet"},
     {0x00090040, IsRegistered,                    "IsRegistered"},

src/core/hle/service/fs/archive.h

@@ -41,7 +41,8 @@ enum class ArchiveIdCode : u32 {
 /// Media types for the archives
 enum class MediaType : u32 {
     NAND     = 0,
-    SDMC     = 1
+    SDMC     = 1,
+    GameCard = 2
 };
 
 typedef u64 ArchiveHandle;