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core: Add dump RomFS support

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This is added to LayeredFS, then the NCCH container and then the loader interface.
This commit is contained in:
zhupengfei
2020-02-09 20:59:31 +08:00
parent db18f6c79a
commit 13e2d534e9
7 changed files with 131 additions and 7 deletions
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22
src/core/file_sys/ncch_container.cpp
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@ -597,7 +597,8 @@ Loader::ResultStatus NCCHContainer::LoadOverrideExeFSSection(const char* name,
return Loader::ResultStatus::ErrorNotUsed;
}
Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romfs_file) {
Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romfs_file,
bool use_layered_fs) {
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return result;
@ -640,7 +641,9 @@ Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romf
const auto path =
fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
ncch_header.program_id & 0x00040000'FFFFFFFF);
if (FileUtil::Exists(path + "romfs/") || FileUtil::Exists(path + "romfs_ext/")) {
if (use_layered_fs &&
(FileUtil::Exists(path + "romfs/") || FileUtil::Exists(path + "romfs_ext/"))) {
romfs_file = std::make_shared<LayeredFS>(std::move(direct_romfs), path + "romfs/",
path + "romfs_ext/");
} else {
@ -650,6 +653,21 @@ Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romf
return Loader::ResultStatus::Success;
}
Loader::ResultStatus NCCHContainer::DumpRomFS(const std::string& target_path) {
std::shared_ptr<RomFSReader> direct_romfs;
Loader::ResultStatus result = ReadRomFS(direct_romfs, false);
if (result != Loader::ResultStatus::Success)
return result;
std::shared_ptr<LayeredFS> layered_fs =
std::make_shared<LayeredFS>(std::move(direct_romfs), "", "", false);
if (!layered_fs->DumpRomFS(target_path)) {
return Loader::ResultStatus::Error;
}
return Loader::ResultStatus::Success;
}
Loader::ResultStatus NCCHContainer::ReadOverrideRomFS(std::shared_ptr<RomFSReader>& romfs_file) {
// Check for RomFS overrides
std::string split_filepath = filepath + ".romfs";