4 files changed, 30 insertions, 48 deletions

diff --git a/src/core/file_sys/program_metadata.cpp b/src/core/file_sys/program_metadata.cpp
index 8e291ff67..763a44fee 100644
--- a/src/core/file_sys/program_metadata.cpp
+++ b/src/core/file_sys/program_metadata.cpp
@@ -104,16 +104,16 @@ Loader::ResultStatus ProgramMetadata::Reload(VirtualFile file) {
 }
 
 /*static*/ ProgramMetadata ProgramMetadata::GetDefault() {
-    // Allow use of cores 0~3 and thread priorities 1~63.
-    constexpr u32 default_thread_info_capability = 0x30007F7;
+    // Allow use of cores 0~3 and thread priorities 16~63.
+    constexpr u32 default_thread_info_capability = 0x30043F7;
 
     ProgramMetadata result;
 
     result.LoadManual(
         true /*is_64_bit*/, FileSys::ProgramAddressSpaceType::Is39Bit /*address_space*/,
-        0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x00100000 /*main_thread_stack_size*/,
-        0 /*title_id*/, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/,
-        0x1FE00000 /*system_resource_size*/, {default_thread_info_capability} /*capabilities*/);
+        0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x100000 /*main_thread_stack_size*/,
+        0 /*title_id*/, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/, 0 /*system_resource_size*/,
+        {default_thread_info_capability} /*capabilities*/);
 
     return result;
 }
diff --git a/src/core/file_sys/program_metadata.h b/src/core/file_sys/program_metadata.h
index 9f8e74b13..76ee97d78 100644
--- a/src/core/file_sys/program_metadata.h
+++ b/src/core/file_sys/program_metadata.h
@@ -73,6 +73,9 @@ public:
     u64 GetFilesystemPermissions() const;
     u32 GetSystemResourceSize() const;
     const KernelCapabilityDescriptors& GetKernelCapabilities() const;
+    const std::array<u8, 0x10>& GetName() const {
+        return npdm_header.application_name;
+    }
 
     void Print() const;
 
@@ -164,14 +167,14 @@ private:
         u32_le unk_size_2;
     };
 
-    Header npdm_header;
-    AciHeader aci_header;
-    AcidHeader acid_header;
+    Header npdm_header{};
+    AciHeader aci_header{};
+    AcidHeader acid_header{};
 
-    FileAccessControl acid_file_access;
-    FileAccessHeader aci_file_access;
+    FileAccessControl acid_file_access{};
+    FileAccessHeader aci_file_access{};
 
-    KernelCapabilityDescriptors aci_kernel_capabilities;
+    KernelCapabilityDescriptors aci_kernel_capabilities{};
 };
 
 } // namespace FileSys
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp
index 1c580de57..1eb1f439a 100644
--- a/src/core/file_sys/romfs.cpp
+++ b/src/core/file_sys/romfs.cpp
@@ -35,13 +35,14 @@ struct RomFSHeader {
 static_assert(sizeof(RomFSHeader) == 0x50, "RomFSHeader has incorrect size.");
 
 struct DirectoryEntry {
+    u32_le parent;
     u32_le sibling;
     u32_le child_dir;
     u32_le child_file;
     u32_le hash;
     u32_le name_length;
 };
-static_assert(sizeof(DirectoryEntry) == 0x14, "DirectoryEntry has incorrect size.");
+static_assert(sizeof(DirectoryEntry) == 0x18, "DirectoryEntry has incorrect size.");
 
 struct FileEntry {
     u32_le parent;
@@ -64,25 +65,22 @@ std::pair<Entry, std::string> GetEntry(const VirtualFile& file, std::size_t offs
     return {entry, string};
 }
 
-void ProcessFile(VirtualFile file, std::size_t file_offset, std::size_t data_offset,
-                 u32 this_file_offset, std::shared_ptr<VectorVfsDirectory> parent) {
-    while (true) {
+void ProcessFile(const VirtualFile& file, std::size_t file_offset, std::size_t data_offset,
+                 u32 this_file_offset, std::shared_ptr<VectorVfsDirectory>& parent) {
+    while (this_file_offset != ROMFS_ENTRY_EMPTY) {
         auto entry = GetEntry<FileEntry>(file, file_offset + this_file_offset);
 
         parent->AddFile(std::make_shared<OffsetVfsFile>(
             file, entry.first.size, entry.first.offset + data_offset, entry.second));
 
-        if (entry.first.sibling == ROMFS_ENTRY_EMPTY)
-            break;
-
         this_file_offset = entry.first.sibling;
     }
 }
 
-void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file_offset,
+void ProcessDirectory(const VirtualFile& file, std::size_t dir_offset, std::size_t file_offset,
                       std::size_t data_offset, u32 this_dir_offset,
-                      std::shared_ptr<VectorVfsDirectory> parent) {
-    while (true) {
+                      std::shared_ptr<VectorVfsDirectory>& parent) {
+    while (this_dir_offset != ROMFS_ENTRY_EMPTY) {
         auto entry = GetEntry<DirectoryEntry>(file, dir_offset + this_dir_offset);
         auto current = std::make_shared<VectorVfsDirectory>(
             std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, entry.second);
@@ -97,14 +95,12 @@ void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file
         }
 
         parent->AddDirectory(current);
-        if (entry.first.sibling == ROMFS_ENTRY_EMPTY)
-            break;
         this_dir_offset = entry.first.sibling;
     }
 }
 } // Anonymous namespace
 
-VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
+VirtualDir ExtractRomFS(VirtualFile file) {
     RomFSHeader header{};
     if (file->ReadObject(&header) != sizeof(RomFSHeader))
         return nullptr;
@@ -113,27 +109,17 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
         return nullptr;
 
     const u64 file_offset = header.file_meta.offset;
-    const u64 dir_offset = header.directory_meta.offset + 4;
-
-    auto root =
-        std::make_shared<VectorVfsDirectory>(std::vector<VirtualFile>{}, std::vector<VirtualDir>{},
-                                             file->GetName(), file->GetContainingDirectory());
-
-    ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root);
+    const u64 dir_offset = header.directory_meta.offset;
 
-    VirtualDir out = std::move(root);
+    auto root_container = std::make_shared<VectorVfsDirectory>();
 
-    if (type == RomFSExtractionType::SingleDiscard)
-        return out->GetSubdirectories().front();
+    ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root_container);
 
-    while (out->GetSubdirectories().size() == 1 && out->GetFiles().empty()) {
-        if (Common::ToLower(out->GetSubdirectories().front()->GetName()) == "data" &&
-            type == RomFSExtractionType::Truncated)
-            break;
-        out = out->GetSubdirectories().front();
+    if (auto root = root_container->GetSubdirectory(""); root) {
+        return std::make_shared<CachedVfsDirectory>(std::move(root));
     }
 
-    return std::make_shared<CachedVfsDirectory>(std::move(out));
+    return nullptr;
 }
 
 VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext) {
diff --git a/src/core/file_sys/romfs.h b/src/core/file_sys/romfs.h
index 5d7f0c2a8..b75ff1aad 100644
--- a/src/core/file_sys/romfs.h
+++ b/src/core/file_sys/romfs.h
@@ -7,16 +7,9 @@
 
 namespace FileSys {
 
-enum class RomFSExtractionType {
-    Full,          // Includes data directory
-    Truncated,     // Traverses into data directory
-    SingleDiscard, // Traverses into the first subdirectory of root
-};
-
 // Converts a RomFS binary blob to VFS Filesystem
 // Returns nullptr on failure
-VirtualDir ExtractRomFS(VirtualFile file,
-                        RomFSExtractionType type = RomFSExtractionType::Truncated);
+VirtualDir ExtractRomFS(VirtualFile file);
 
 // Converts a VFS filesystem into a RomFS binary
 // Returns nullptr on failure