From b548ed1ecac31b480c1f8cd44465677489393a4d Mon Sep 17 00:00:00 2001
From: Maufeat <sahyno1996@gmail.com>
Date: Wed, 4 Feb 2026 04:40:56 +0100
Subject: [PATCH] add logs

---
 src/core/file_sys/patch_manager.cpp    | 29 +++++++++++++++++++++++---
 src/core/file_sys/registered_cache.cpp |  8 ++++++-
 2 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index 7415814ad0..d99a438099 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -840,13 +840,36 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     // DLC
     const auto dlc_entries =
         content_provider.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
+
+    LOG_WARNING(Loader, "Found {} potential DLC entries for base title {:016X}", dlc_entries.size(), title_id);
+
     std::vector<ContentProviderEntry> dlc_match;
     dlc_match.reserve(dlc_entries.size());
     std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
                  [this](const ContentProviderEntry& entry) {
-                     return GetBaseTitleID(entry.title_id) == title_id &&
-                            content_provider.GetEntry(entry)->GetStatus() ==
-                                Loader::ResultStatus::Success;
+                     const auto base_tid = GetBaseTitleID(entry.title_id);
+                     const bool matches_base = base_tid == title_id;
+
+                     if (!matches_base) {
+                         LOG_WARNING(Loader, "DLC {:016X} base {:016X} doesn't match title {:016X}",
+                                   entry.title_id, base_tid, title_id);
+                         return false;
+                     }
+
+                     auto nca = content_provider.GetEntry(entry);
+                     if (!nca) {
+                         LOG_WARNING(Loader, "Failed to get NCA for DLC {:016X}", entry.title_id);
+                         return false;
+                     }
+
+                     const auto status = nca->GetStatus();
+                     if (status != Loader::ResultStatus::Success) {
+                         LOG_WARNING(Loader, "DLC {:016X} NCA has status {}",
+                                     entry.title_id, static_cast<int>(status));
+                         return false;
+                     }
+
+                     return true;
                  });
     if (!dlc_match.empty()) {
         // Ensure sorted so DLC IDs show in order.
diff --git a/src/core/file_sys/registered_cache.cpp b/src/core/file_sys/registered_cache.cpp
index 6b615101b7..5307bedee0 100644
--- a/src/core/file_sys/registered_cache.cpp
+++ b/src/core/file_sys/registered_cache.cpp
@@ -1110,9 +1110,13 @@ void ExternalContentProvider::ScanDirectory(const VirtualDir& dir) {
 void ExternalContentProvider::ProcessNSP(const VirtualFile& file) {
     auto nsp = NSP(file);
     if (nsp.GetStatus() != Loader::ResultStatus::Success) {
+        LOG_WARNING(Service_FS, "Failed to parse NSP file: {}, status: {}",
+                    file->GetName(), static_cast<int>(nsp.GetStatus()));
         return;
     }
 
+    LOG_WARNING(Service_FS, "Processing NSP file: {}", file->GetName());
+
     const auto ncas = nsp.GetNCAs();
 
     std::map<u64, u32> nsp_versions;
@@ -1169,6 +1173,8 @@ void ExternalContentProvider::ProcessNSP(const VirtualFile& file) {
             const auto& [title_type, content_type] = type_pair;
 
             if (title_type != TitleType::AOC && title_type != TitleType::Update) {
+                LOG_WARNING(Service_FS, "Skipping entry - Title ID: {:016X}, TitleType: {}, ContentType: {} (not AOC or Update)",
+                          title_id, static_cast<int>(title_type), static_cast<int>(content_type));
                 continue;
             }
 
@@ -1186,7 +1192,7 @@ void ExternalContentProvider::ProcessNSP(const VirtualFile& file) {
                     version_files[{title_id, version}][content_type] = nca_file;
                 }
 
-                LOG_DEBUG(Service_FS, "Added entry - Title ID: {:016X}, Type: {}, Content: {}",
+                LOG_INFO(Service_FS, "Added external entry - Title ID: {:016X}, TitleType: {}, ContentType: {}",
                           title_id, static_cast<int>(title_type), static_cast<int>(content_type));
             }
         }