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authorZach Hilman <zachhilman@gmail.com>2018-10-02 14:56:56 +0200
committerZach Hilman <zachhilman@gmail.com>2018-10-04 18:29:20 +0200
commitc1e069c066a609103c6b880585738ecabe48ddd2 (patch)
treebf599fa1e774ae098866d50ca5acbaf3441eb16e /src/core
parentfsmitm_romfsbuild: Add support for stubbing and IPS patches in LFS (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/file_sys/fsmitm_romfsbuild.cpp34
-rw-r--r--src/core/file_sys/fsmitm_romfsbuild.h6
-rw-r--r--src/core/file_sys/patch_manager.cpp13
-rw-r--r--src/core/file_sys/romfs.cpp4
-rw-r--r--src/core/file_sys/romfs.h2
5 files changed, 38 insertions, 21 deletions
diff --git a/src/core/file_sys/fsmitm_romfsbuild.cpp b/src/core/file_sys/fsmitm_romfsbuild.cpp
index 4aa8ae369..47b7526c7 100644
--- a/src/core/file_sys/fsmitm_romfsbuild.cpp
+++ b/src/core/file_sys/fsmitm_romfsbuild.cpp
@@ -124,7 +124,7 @@ static u64 romfs_get_hash_table_count(u64 num_entries) {
return count;
}
-void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
+void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs, VirtualDir ext,
std::shared_ptr<RomFSBuildDirectoryContext> parent) {
std::vector<std::shared_ptr<RomFSBuildDirectoryContext>> child_dirs;
@@ -139,15 +139,15 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
for (const auto& kv : entries) {
if (kv.second == VfsEntryType::Directory) {
- if (dir->GetSubdirectory(kv.first + ".stub") != nullptr)
- continue;
-
const auto child = std::make_shared<RomFSBuildDirectoryContext>();
// Set child's path.
child->cur_path_ofs = parent->path_len + 1;
child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
child->path = parent->path + "/" + kv.first;
+ if (ext != nullptr && ext->GetFileRelative(child->path + ".stub") != nullptr)
+ continue;
+
// Sanity check on path_len
ASSERT(child->path_len < FS_MAX_PATH);
@@ -155,25 +155,28 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
child_dirs.push_back(child);
}
} else {
- if (dir->GetFile(kv.first + ".stub") != nullptr)
- continue;
-
const auto child = std::make_shared<RomFSBuildFileContext>();
// Set child's path.
child->cur_path_ofs = parent->path_len + 1;
child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
child->path = parent->path + "/" + kv.first;
+ if (ext != nullptr && ext->GetFileRelative(child->path + ".stub") != nullptr)
+ continue;
+
// Sanity check on path_len
ASSERT(child->path_len < FS_MAX_PATH);
child->source = root_romfs->GetFileRelative(child->path);
- if (dir->GetFile(kv.first + ".ips") != nullptr) {
- const auto ips = dir->GetFile(kv.first + ".ips");
- auto patched = PatchIPS(child->source, ips);
- if (patched != nullptr)
- child->source = std::move(patched);
+ if (ext != nullptr) {
+ const auto ips = ext->GetFileRelative(child->path + ".ips");
+
+ if (ips != nullptr) {
+ auto patched = PatchIPS(child->source, ips);
+ if (patched != nullptr)
+ child->source = std::move(patched);
+ }
}
child->size = child->source->GetSize();
@@ -183,7 +186,7 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
}
for (auto& child : child_dirs) {
- this->VisitDirectory(root_romfs, child);
+ this->VisitDirectory(root_romfs, ext, child);
}
}
@@ -222,14 +225,15 @@ bool RomFSBuildContext::AddFile(std::shared_ptr<RomFSBuildDirectoryContext> pare
return true;
}
-RomFSBuildContext::RomFSBuildContext(VirtualDir base_) : base(std::move(base_)) {
+RomFSBuildContext::RomFSBuildContext(VirtualDir base_, VirtualDir ext_)
+ : base(std::move(base_)), ext(std::move(ext_)) {
root = std::make_shared<RomFSBuildDirectoryContext>();
root->path = "\0";
directories.emplace(root->path, root);
num_dirs = 1;
dir_table_size = 0x18;
- VisitDirectory(base, root);
+ VisitDirectory(base, ext, root);
}
RomFSBuildContext::~RomFSBuildContext() = default;
diff --git a/src/core/file_sys/fsmitm_romfsbuild.h b/src/core/file_sys/fsmitm_romfsbuild.h
index b0c3c123b..3d377b0af 100644
--- a/src/core/file_sys/fsmitm_romfsbuild.h
+++ b/src/core/file_sys/fsmitm_romfsbuild.h
@@ -40,7 +40,7 @@ struct RomFSFileEntry;
class RomFSBuildContext {
public:
- explicit RomFSBuildContext(VirtualDir base);
+ explicit RomFSBuildContext(VirtualDir base, VirtualDir ext = nullptr);
~RomFSBuildContext();
// This finalizes the context.
@@ -48,6 +48,7 @@ public:
private:
VirtualDir base;
+ VirtualDir ext;
std::shared_ptr<RomFSBuildDirectoryContext> root;
std::map<std::string, std::shared_ptr<RomFSBuildDirectoryContext>, std::less<>> directories;
std::map<std::string, std::shared_ptr<RomFSBuildFileContext>, std::less<>> files;
@@ -59,7 +60,8 @@ private:
u64 file_hash_table_size = 0;
u64 file_partition_size = 0;
- void VisitDirectory(VirtualDir filesys, std::shared_ptr<RomFSBuildDirectoryContext> parent);
+ void VisitDirectory(VirtualDir filesys, VirtualDir ext,
+ std::shared_ptr<RomFSBuildDirectoryContext> parent);
bool AddDirectory(std::shared_ptr<RomFSBuildDirectoryContext> parent_dir_ctx,
std::shared_ptr<RomFSBuildDirectoryContext> dir_ctx);
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index 539698f6e..76b51fe56 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -162,11 +162,17 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
std::vector<VirtualDir> layers;
+ std::vector<VirtualDir> layers_ext;
layers.reserve(patch_dirs.size() + 1);
+ layers_ext.reserve(patch_dirs.size() + 1);
for (const auto& subdir : patch_dirs) {
auto romfs_dir = subdir->GetSubdirectory("romfs");
if (romfs_dir != nullptr)
layers.push_back(std::move(romfs_dir));
+
+ auto ext_dir = subdir->GetSubdirectory("romfs_ext");
+ if (ext_dir != nullptr)
+ layers.push_back(std::move(ext_dir));
}
layers.push_back(std::move(extracted));
@@ -175,7 +181,12 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
return;
}
- auto packed = CreateRomFS(std::move(layered));
+ auto layered_ext = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers_ext));
+ if (layered_ext == nullptr) {
+ return;
+ }
+
+ auto packed = CreateRomFS(std::move(layered), std::move(layered_ext));
if (packed == nullptr) {
return;
}
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp
index 5910f7046..81e1f66ac 100644
--- a/src/core/file_sys/romfs.cpp
+++ b/src/core/file_sys/romfs.cpp
@@ -129,11 +129,11 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
return out;
}
-VirtualFile CreateRomFS(VirtualDir dir) {
+VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext) {
if (dir == nullptr)
return nullptr;
- RomFSBuildContext ctx{dir};
+ RomFSBuildContext ctx{dir, ext};
return ConcatenatedVfsFile::MakeConcatenatedFile(0, ctx.Build(), dir->GetName());
}
diff --git a/src/core/file_sys/romfs.h b/src/core/file_sys/romfs.h
index ecd1eb725..0ec404731 100644
--- a/src/core/file_sys/romfs.h
+++ b/src/core/file_sys/romfs.h
@@ -44,6 +44,6 @@ VirtualDir ExtractRomFS(VirtualFile file,
// Converts a VFS filesystem into a RomFS binary
// Returns nullptr on failure
-VirtualFile CreateRomFS(VirtualDir dir);
+VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext = nullptr);
} // namespace FileSys