1 files changed, 37 insertions, 2 deletions
diff --git a/src/core/file_sys/archive_ncch.cpp b/src/core/file_sys/archive_ncch.cpp
index 89455e39c..6d9007731 100644
--- a/src/core/file_sys/archive_ncch.cpp
+++ b/src/core/file_sys/archive_ncch.cpp
@@ -9,7 +9,9 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
+#include "core/core.h"
 #include "core/file_sys/archive_ncch.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/ivfc_archive.h"
 #include "core/hle/service/fs/archive.h"
 
@@ -33,11 +35,44 @@ ArchiveFactory_NCCH::ArchiveFactory_NCCH(const std::string& nand_directory)
 ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path& path) {
     auto vec = path.AsBinary();
     const u32* data = reinterpret_cast<u32*>(vec.data());
-    std::string file_path = GetNCCHPath(mount_point, data[1], data[0]);
+    u32 high = data[1];
+    u32 low = data[0];
+    std::string file_path = GetNCCHPath(mount_point, high, low);
     auto file = std::make_shared<FileUtil::IOFile>(file_path, "rb");
 
     if (!file->IsOpen()) {
-        return ResultCode(-1); // TODO(Subv): Find the right error code
+        // High Title ID of the archive: The category (https://3dbrew.org/wiki/Title_list).
+        constexpr u32 shared_data_archive = 0x0004009B;
+        constexpr u32 system_data_archive = 0x000400DB;
+
+        // Low Title IDs.
+        constexpr u32 mii_data = 0x00010202;
+        constexpr u32 region_manifest = 0x00010402;
+        constexpr u32 ng_word_list = 0x00010302;
+
+        LOG_DEBUG(Service_FS, "Full Path: %s. Category: 0x%X. Path: 0x%X.", path.DebugStr().c_str(),
+                  high, low);
+
+        if (high == shared_data_archive) {
+            if (low == mii_data) {
+                LOG_ERROR(Service_FS, "Failed to get a handle for shared data archive: Mii data. ");
+                Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
+                                                      "Mii data");
+            } else if (low == region_manifest) {
+                LOG_ERROR(Service_FS,
+                          "Failed to get a handle for shared data archive: region manifest.");
+                Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
+                                                      "Region manifest");
+            }
+        } else if (high == system_data_archive) {
+            if (low == ng_word_list) {
+                LOG_ERROR(Service_FS,
+                          "Failed to get a handle for system data archive: NG bad word list.");
+                Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
+                                                      "NG bad word list");
+            }
+        }
+        return ERROR_NOT_FOUND;
     }
     auto size = file->GetSize();