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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <memory>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/file_sys/common_funcs.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs_factory.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
namespace FileSys {
RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader, ContentProvider& provider,
Service::FileSystem::FileSystemController& controller)
: content_provider{provider}, filesystem_controller{controller} {
// Load the RomFS from the app
if (app_loader.ReadRomFS(file) != Loader::ResultStatus::Success) {
LOG_ERROR(Service_FS, "Unable to read RomFS!");
}
updatable = app_loader.IsRomFSUpdatable();
ivfc_offset = app_loader.ReadRomFSIVFCOffset();
}
RomFSFactory::~RomFSFactory() = default;
void RomFSFactory::SetPackedUpdate(VirtualFile update_raw_file) {
update_raw = std::move(update_raw_file);
}
ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess(u64 current_process_title_id) const {
if (!updatable) {
return file;
}
const PatchManager patch_manager{current_process_title_id, filesystem_controller,
content_provider};
return patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw);
}
ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFS(u64 title_id, ContentRecordType type) const {
auto nca = content_provider.GetEntry(title_id, type);
if (nca == nullptr) {
// TODO: Find the right error code to use here
return ResultUnknown;
}
const PatchManager patch_manager{title_id, filesystem_controller, content_provider};
return patch_manager.PatchRomFS(nca->GetRomFS(), nca->GetBaseIVFCOffset(), type);
}
ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFSWithProgramIndex(
u64 title_id, u8 program_index, ContentRecordType type) const {
const auto res_title_id = GetBaseTitleIDWithProgramIndex(title_id, program_index);
return OpenPatchedRomFS(res_title_id, type);
}
ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage,
ContentRecordType type) const {
const std::shared_ptr<NCA> res = GetEntry(title_id, storage, type);
if (res == nullptr) {
// TODO(DarkLordZach): Find the right error code to use here
return ResultUnknown;
}
const auto romfs = res->GetRomFS();
if (romfs == nullptr) {
// TODO(DarkLordZach): Find the right error code to use here
return ResultUnknown;
}
return romfs;
}
std::shared_ptr<NCA> RomFSFactory::GetEntry(u64 title_id, StorageId storage,
ContentRecordType type) const {
switch (storage) {
case StorageId::None:
return content_provider.GetEntry(title_id, type);
case StorageId::NandSystem:
return filesystem_controller.GetSystemNANDContents()->GetEntry(title_id, type);
case StorageId::NandUser:
return filesystem_controller.GetUserNANDContents()->GetEntry(title_id, type);
case StorageId::SdCard:
return filesystem_controller.GetSDMCContents()->GetEntry(title_id, type);
case StorageId::Host:
case StorageId::GameCard:
default:
UNIMPLEMENTED_MSG("Unimplemented storage_id={:02X}", static_cast<u8>(storage));
return nullptr;
}
}
} // namespace FileSys
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