[XAM] Implemented: XamReadTile(Ex)

- Added missing param to XamContentAggregateCreateEnumerator

src/xenia/kernel/xam/xam_content_aggregate.cc

@@ -79,7 +79,7 @@ void AddODDContentTest(object_ref<XStaticEnumerator<XCONTENT_AGGREGATE_DATA>> e,
 dword_result_t XamContentAggregateCreateEnumerator_entry(qword_t xuid,
                                                          dword_t device_id,
                                                          dword_t content_type,
-                                                         unknown_t unk3,
+                                                         dword_t title_id,
                                                          lpdword_t handle_out) {
   assert_not_null(handle_out);
 
@@ -99,12 +99,14 @@ dword_result_t XamContentAggregateCreateEnumerator_entry(qword_t xuid,
   extra->magic = kXObjSignature;
   extra->handle = e->handle();
 
-  auto content_type_enum = XContentType(uint32_t(content_type));
+  const XContentType content_type_enum =
+      static_cast<XContentType>(content_type.value());
 
   if (!device_info || device_info->device_type == DeviceType::HDD) {
     // Fetch any alternate title IDs defined in the XEX header
     // (used by games to load saves from other titles, etc)
-    std::vector<uint32_t> title_ids{kCurrentlyRunningTitleId};
+    std::vector<uint32_t> title_ids{title_id ? title_id.value()
+                                             : kCurrentlyRunningTitleId};
     auto exe_module = kernel_state()->GetExecutableModule();
     if (exe_module && exe_module->xex_module()) {
       const auto& alt_ids = exe_module->xex_module()->opt_alternate_title_ids();
@@ -112,7 +114,7 @@ dword_result_t XamContentAggregateCreateEnumerator_entry(qword_t xuid,
                 std::back_inserter(title_ids));
     }
 
-    for (auto& title_id : title_ids) {
+    for (const auto& title_id : title_ids) {
       // Get all content data.
       auto content_datas = kernel_state()->content_manager()->ListContent(
           static_cast<uint32_t>(DummyDeviceId::HDD),

src/xenia/kernel/xam/xam_user.cc

@@ -631,6 +631,57 @@ dword_result_t XamUserCreateTitlesPlayedEnumerator_entry(
 }
 DECLARE_XAM_EXPORT1(XamUserCreateTitlesPlayedEnumerator, kUserProfiles, kStub);
 
+dword_result_t XamReadTile_entry(dword_t tile_type, dword_t title_id,
+                                 qword_t item_id, dword_t user_index,
+                                 lpdword_t output_ptr,
+                                 lpdword_t buffer_size_ptr,
+                                 dword_t overlapped_ptr) {
+  auto user = kernel_state()->xam_state()->GetUserProfile(user_index);
+  if (!user) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  if (!buffer_size_ptr) {
+    return X_ERROR_INVALID_PARAMETER;
+  }
+
+  std::span<const uint8_t> tile =
+      kernel_state()->xam_state()->user_tracker()->GetIcon(
+          user->xuid(), title_id, static_cast<XTileType>(tile_type.value()),
+          item_id);
+
+  if (tile.empty()) {
+    return X_ERROR_FILE_NOT_FOUND;
+  }
+
+  *buffer_size_ptr = static_cast<uint32_t>(tile.size());
+
+  auto result = X_ERROR_SUCCESS;
+
+  if (output_ptr) {
+    memcpy(output_ptr, tile.data(), tile.size());
+  } else {
+    result = X_ERROR_INSUFFICIENT_BUFFER;
+  }
+
+  if (overlapped_ptr) {
+    kernel_state()->CompleteOverlappedImmediate(overlapped_ptr, result);
+    return X_ERROR_IO_PENDING;
+  }
+  return result;
+}
+DECLARE_XAM_EXPORT1(XamReadTile, kUserProfiles, kSketchy);
+
+dword_result_t XamReadTileEx_entry(dword_t tile_type, dword_t game_id,
+                                   qword_t item_id, dword_t offset,
+                                   dword_t unk1, dword_t unk2,
+                                   lpdword_t output_ptr,
+                                   lpdword_t buffer_size_ptr) {
+  return XamReadTile_entry(tile_type, game_id, item_id, offset, output_ptr,
+                           buffer_size_ptr, 0);
+}
+DECLARE_XAM_EXPORT1(XamReadTileEx, kUserProfiles, kSketchy);
+
 dword_result_t XamParseGamerTileKey_entry(pointer_t<X_USER_DATA> key_ptr,
                                           lpdword_t title_id_ptr,
                                           lpdword_t big_tile_id_ptr,