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https://github.com/citra-mirror/citra.git
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Merge pull request #656 from Subv/nz
Services/FS: Implemented DeleteExtSaveData, CreateSystemSaveData and Del...
This commit is contained in:
commit
03ceb7adf9
@ -34,6 +34,27 @@ std::string GetExtDataContainerPath(const std::string& mount_point, bool shared)
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SYSTEM_ID.c_str(), SDCARD_ID.c_str());
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}
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Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low) {
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std::vector<u8> binary_path;
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binary_path.reserve(12);
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// Append each word byte by byte
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// The first word is the media type
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((media_type >> (8 * i)) & 0xFF);
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// Next is the low word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((low >> (8 * i)) & 0xFF);
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// Next is the high word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((high >> (8 * i)) & 0xFF);
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return { binary_path };
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}
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ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location, bool shared)
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: mount_point(GetExtDataContainerPath(mount_location, shared)) {
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LOG_INFO(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
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@ -58,4 +58,14 @@ std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path)
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*/
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std::string GetExtDataContainerPath(const std::string& mount_point, bool shared);
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/**
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* Constructs a FileSys::Path object that refers to the ExtData archive identified by
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* the specified media type, high save id and low save id.
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* @param media_type The media type where the archive is located (NAND / SDMC)
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* @param high The high word of the save id for the archive
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* @param low The low word of the save id for the archive
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* @returns A FileSys::Path to the wanted archive
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*/
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Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low);
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} // namespace FileSys
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@ -17,7 +17,7 @@
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namespace FileSys {
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static std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
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std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
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std::vector<u8> vec_data = path.AsBinary();
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const u32* data = reinterpret_cast<const u32*>(vec_data.data());
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u32 save_low = data[1];
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@ -25,10 +25,27 @@ static std::string GetSystemSaveDataPath(const std::string& mount_point, const P
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return Common::StringFromFormat("%s%08X/%08X/", mount_point.c_str(), save_low, save_high);
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}
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static std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
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std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
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return Common::StringFromFormat("%sdata/%s/sysdata/", mount_point.c_str(), SYSTEM_ID.c_str());
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}
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Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low) {
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std::vector<u8> binary_path;
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binary_path.reserve(8);
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// Append each word byte by byte
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// First is the high word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((high >> (8 * i)) & 0xFF);
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// Next is the low word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((low >> (8 * i)) & 0xFF);
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return { binary_path };
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}
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ArchiveFactory_SystemSaveData::ArchiveFactory_SystemSaveData(const std::string& nand_path)
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: base_path(GetSystemSaveDataContainerPath(nand_path)) {
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}
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@ -46,6 +63,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(c
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ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path) {
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std::string fullpath = GetSystemSaveDataPath(base_path, path);
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FileUtil::DeleteDirRecursively(fullpath);
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FileUtil::CreateFullPath(fullpath);
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return RESULT_SUCCESS;
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}
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@ -28,4 +28,29 @@ private:
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std::string base_path;
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};
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/**
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* Constructs a path to the concrete SystemSaveData archive in the host filesystem based on the
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* input Path and base mount point.
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* @param mount_point The base mount point of the SystemSaveData archives.
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* @param path The path that identifies the requested concrete SystemSaveData archive.
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* @returns The complete path to the specified SystemSaveData archive in the host filesystem
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*/
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std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path);
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/**
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* Constructs a path to the base folder to hold concrete SystemSaveData archives in the host file system.
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* @param mount_point The base folder where this folder resides, ie. SDMC or NAND.
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* @returns The path to the base SystemSaveData archives' folder in the host file system
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*/
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std::string GetSystemSaveDataContainerPath(const std::string& mount_point);
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/**
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* Constructs a FileSys::Path object that refers to the SystemSaveData archive identified by
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* the specified high save id and low save id.
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* @param high The high word of the save id for the archive
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* @param low The low word of the save id for the archive
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* @returns A FileSys::Path to the wanted archive
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*/
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Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low);
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} // namespace FileSys
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@ -395,28 +395,72 @@ ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path) {
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return archive_itr->second->Format(path);
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}
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ResultCode CreateExtSaveData(u32 high, u32 low) {
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ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low) {
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// Construct the binary path to the archive first
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std::vector<u8> binary_path;
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binary_path.reserve(12);
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// The first word is all zero to specify a NAND archive
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back(0);
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// Next is the low word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((low >> (8 * i)) & 0xFF);
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// Next is the high word
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for (unsigned i = 0; i < 4; ++i)
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binary_path.push_back((high >> i) & 0xFF);
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FileSys::Path path(binary_path);
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std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
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std::string base_path = FileSys::GetExtDataContainerPath(nand_directory, true);
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FileSys::Path path = FileSys::ConstructExtDataBinaryPath(static_cast<u32>(media_type), high, low);
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std::string media_type_directory;
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if (media_type == MediaType::NAND) {
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media_type_directory = FileUtil::GetUserPath(D_NAND_IDX);
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} else if (media_type == MediaType::SDMC) {
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media_type_directory = FileUtil::GetUserPath(D_SDMC_IDX);
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} else {
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LOG_ERROR(Service_FS, "Unsupported media type %u", media_type);
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return ResultCode(-1); // TODO(Subv): Find the right error code
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}
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std::string base_path = FileSys::GetExtDataContainerPath(media_type_directory, media_type == MediaType::NAND);
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std::string extsavedata_path = FileSys::GetExtSaveDataPath(base_path, path);
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if (!FileUtil::CreateFullPath(extsavedata_path))
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return ResultCode(-1); // TODO(Subv): Find the right error code
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return RESULT_SUCCESS;
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}
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ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low) {
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// Construct the binary path to the archive first
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FileSys::Path path = FileSys::ConstructExtDataBinaryPath(static_cast<u32>(media_type), high, low);
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std::string media_type_directory;
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if (media_type == MediaType::NAND) {
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media_type_directory = FileUtil::GetUserPath(D_NAND_IDX);
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} else if (media_type == MediaType::SDMC) {
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media_type_directory = FileUtil::GetUserPath(D_SDMC_IDX);
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} else {
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LOG_ERROR(Service_FS, "Unsupported media type %u", media_type);
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return ResultCode(-1); // TODO(Subv): Find the right error code
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}
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std::string base_path = FileSys::GetExtDataContainerPath(media_type_directory, media_type == MediaType::NAND);
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std::string extsavedata_path = FileSys::GetExtSaveDataPath(base_path, path);
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if (!FileUtil::DeleteDirRecursively(extsavedata_path))
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return ResultCode(-1); // TODO(Subv): Find the right error code
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return RESULT_SUCCESS;
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}
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ResultCode DeleteSystemSaveData(u32 high, u32 low) {
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// Construct the binary path to the archive first
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FileSys::Path path = FileSys::ConstructSystemSaveDataBinaryPath(high, low);
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std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
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std::string base_path = FileSys::GetSystemSaveDataContainerPath(nand_directory);
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std::string systemsavedata_path = FileSys::GetSystemSaveDataPath(base_path, path);
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if (!FileUtil::DeleteDirRecursively(systemsavedata_path))
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return ResultCode(-1); // TODO(Subv): Find the right error code
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return RESULT_SUCCESS;
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}
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ResultCode CreateSystemSaveData(u32 high, u32 low) {
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// Construct the binary path to the archive first
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FileSys::Path path = FileSys::ConstructSystemSaveDataBinaryPath(high, low);
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std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
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std::string base_path = FileSys::GetSystemSaveDataContainerPath(nand_directory);
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std::string systemsavedata_path = FileSys::GetSystemSaveDataPath(base_path, path);
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if (!FileUtil::CreateFullPath(systemsavedata_path))
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return ResultCode(-1); // TODO(Subv): Find the right error code
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return RESULT_SUCCESS;
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}
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/// Initialize archives
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void ArchiveInit() {
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next_handle = 1;
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@ -35,6 +35,12 @@ enum class ArchiveIdCode : u32 {
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SaveDataCheck = 0x2345678A,
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};
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/// Media types for the archives
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enum class MediaType : u32 {
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NAND = 0,
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SDMC = 1
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};
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typedef u64 ArchiveHandle;
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class File : public Kernel::Session {
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@ -172,11 +178,37 @@ ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path = File
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/**
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* Creates a blank SharedExtSaveData archive for the specified extdata ID
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* @param media_type The media type of the archive to create (NAND / SDMC)
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* @param high The high word of the extdata id to create
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* @param low The low word of the extdata id to create
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode CreateExtSaveData(u32 high, u32 low);
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ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low);
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/**
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* Deletes the SharedExtSaveData archive for the specified extdata ID
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* @param media_type The media type of the archive to delete (NAND / SDMC)
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* @param high The high word of the extdata id to delete
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* @param low The low word of the extdata id to delete
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low);
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/**
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* Deletes the SystemSaveData archive folder for the specified save data id
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* @param high The high word of the SystemSaveData archive to delete
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* @param low The low word of the SystemSaveData archive to delete
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode DeleteSystemSaveData(u32 high, u32 low);
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/**
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* Creates the SystemSaveData archive folder for the specified save data id
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* @param high The high word of the SystemSaveData archive to create
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* @param low The low word of the SystemSaveData archive to create
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode CreateSystemSaveData(u32 high, u32 low);
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/// Initialize archives
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void ArchiveInit();
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@ -490,25 +490,65 @@ static void FormatThisUserSaveData(Service::Interface* self) {
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/**
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* FS_User::CreateExtSaveData service function
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* Inputs:
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* 0: 0x08510242
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* 1: High word of the saveid to create
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* 2: Low word of the saveid to create
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* 0 : 0x08510242
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* 1 : Media type (NAND / SDMC)
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* 2 : Low word of the saveid to create
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* 3 : High word of the saveid to create
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* 4 : Unknown
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* 5 : Unknown
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* 6 : Unknown
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* 7 : Unknown
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* 8 : Unknown
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* 9 : Unknown
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* 10: Unknown
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* 11: Unknown
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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static void CreateExtSaveData(Service::Interface* self) {
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// TODO(Subv): Figure out the other parameters.
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 save_high = cmd_buff[1];
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MediaType media_type = static_cast<MediaType>(cmd_buff[1] & 0xFF);
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u32 save_low = cmd_buff[2];
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// TODO(Subv): For now it is assumed that only SharedExtSaveData can be created like this
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cmd_buff[1] = CreateExtSaveData(save_high, save_low).raw;
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u32 save_high = cmd_buff[3];
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LOG_WARNING(Service_FS, "(STUBBED) savedata_high=%08X savedata_low=%08X cmd_buff[3]=%08X "
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"cmd_buff[4]=%08X cmd_buff[5]=%08X cmd_buff[6]=%08X cmd_buff[7]=%08X cmd_buff[8]=%08X "
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"cmd_buff[9]=%08X cmd_buff[10]=%08X cmd_buff[11]=%08X", save_high, save_low,
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cmd_buff[3], cmd_buff[4], cmd_buff[5], cmd_buff[6], cmd_buff[7], cmd_buff[8], cmd_buff[9],
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cmd_buff[10], cmd_buff[11]);
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cmd_buff[1] = CreateExtSaveData(media_type, save_high, save_low).raw;
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}
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/**
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* FS_User::DeleteExtSaveData service function
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* Inputs:
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* 0 : 0x08520100
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* 1 : Media type (NAND / SDMC)
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* 2 : Low word of the saveid to create
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* 3 : High word of the saveid to create
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* 4 : Unknown
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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static void DeleteExtSaveData(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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MediaType media_type = static_cast<MediaType>(cmd_buff[1] & 0xFF);
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u32 save_low = cmd_buff[2];
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u32 save_high = cmd_buff[3];
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u32 unknown = cmd_buff[4]; // TODO(Subv): Figure out what this is
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LOG_WARNING(Service_FS, "(STUBBED) save_low=%08X save_high=%08X media_type=%08X unknown=%08X",
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save_low, save_high, cmd_buff[1] & 0xFF, unknown);
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cmd_buff[1] = DeleteExtSaveData(media_type, save_high, save_low).raw;
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}
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/**
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* FS_User::CardSlotIsInserted service function.
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* Inputs:
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* 0: 0x08210000
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* 0 : 0x08210000
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Whether there is a game card inserted into the slot or not.
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@ -520,6 +560,53 @@ static void CardSlotIsInserted(Service::Interface* self) {
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LOG_WARNING(Service_FS, "(STUBBED) called");
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}
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/**
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* FS_User::DeleteSystemSaveData service function.
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* Inputs:
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* 0 : 0x08570080
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* 1 : High word of the SystemSaveData id to delete
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* 2 : Low word of the SystemSaveData id to delete
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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static void DeleteSystemSaveData(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 savedata_high = cmd_buff[1];
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u32 savedata_low = cmd_buff[2];
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cmd_buff[1] = DeleteSystemSaveData(savedata_high, savedata_low).raw;
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}
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/**
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* FS_User::CreateSystemSaveData service function.
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* Inputs:
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* 0 : 0x08560240
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* 1 : High word of the SystemSaveData id to create
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* 2 : Low word of the SystemSaveData id to create
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* 3 : Unknown
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* 4 : Unknown
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* 5 : Unknown
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* 6 : Unknown
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* 7 : Unknown
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* 8 : Unknown
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* 9 : Unknown (Memory address)
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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static void CreateSystemSaveData(Service::Interface* self) {
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// TODO(Subv): Figure out the other parameters.
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 savedata_high = cmd_buff[1];
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u32 savedata_low = cmd_buff[2];
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LOG_WARNING(Service_FS, "(STUBBED) savedata_high=%08X savedata_low=%08X cmd_buff[3]=%08X "
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"cmd_buff[4]=%08X cmd_buff[5]=%08X cmd_buff[6]=%08X cmd_buff[7]=%08X cmd_buff[8]=%08X "
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"cmd_buff[9]=%08X", savedata_high, savedata_low, cmd_buff[3], cmd_buff[4], cmd_buff[5],
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cmd_buff[6], cmd_buff[7], cmd_buff[8], cmd_buff[9]);
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cmd_buff[1] = CreateSystemSaveData(savedata_high, savedata_low).raw;
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}
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const Interface::FunctionInfo FunctionTable[] = {
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{0x000100C6, nullptr, "Dummy1"},
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{0x040100C4, nullptr, "Control"},
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@ -604,7 +691,9 @@ const Interface::FunctionInfo FunctionTable[] = {
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{0x084F0102, nullptr, "ReadSpecialFile"},
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{0x08500040, nullptr, "GetSpecialFileSize"},
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{0x08510242, CreateExtSaveData, "CreateExtSaveData"},
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{0x08520100, nullptr, "DeleteExtSaveData"},
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{0x08520100, DeleteExtSaveData, "DeleteExtSaveData"},
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{0x08560240, CreateSystemSaveData, "CreateSystemSaveData"},
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{0x08570080, DeleteSystemSaveData, "DeleteSystemSaveData"},
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{0x08580000, nullptr, "GetMovableSedHashedKeyYRandomData"},
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{0x08610042, nullptr, "InitializeWithSdkVersion"},
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{0x08620040, nullptr, "SetPriority"},
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