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Merge pull request #229 from Subv/ensuresavedata_impl
FS: Make EnsureSaveData create the save data if it doesn't already exist.
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commit
80562aaf64
@ -7,6 +7,7 @@
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "core/file_sys/disk_filesystem.h"
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#include "core/file_sys/errors.h"
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namespace FileSys {
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@ -22,8 +23,7 @@ ResultVal<std::unique_ptr<StorageBackend>> Disk_FileSystem::OpenFile(const std::
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auto file = std::make_shared<FileUtil::IOFile>(full_path, mode == Mode::Read ? "rb" : "wb");
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if (!file->IsOpen()) {
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// TODO(Subv): Find out the correct error code.
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return ResultCode(-1);
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return ERROR_PATH_NOT_FOUND;
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}
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return MakeResult<std::unique_ptr<StorageBackend>>(
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@ -100,8 +100,7 @@ u64 Disk_FileSystem::GetFreeSpaceSize() const {
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ResultVal<FileSys::EntryType> Disk_FileSystem::GetEntryType(const std::string& path) const {
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std::string full_path = base_directory + path;
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if (!FileUtil::Exists(full_path)) {
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// TODO(Subv): Find out what this actually means
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return ResultCode(ErrorModule::FS, 1);
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return ERROR_PATH_NOT_FOUND;
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}
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// TODO(Subv): Find out the EntryType values
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@ -10,36 +10,17 @@ namespace FileSys {
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namespace ErrCodes {
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enum {
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RomFSNotFound = 100,
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ArchiveNotMounted = 101,
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FileNotFound = 112,
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PathNotFound = 113,
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GameCardNotInserted = 141,
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NotFound = 120,
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FileAlreadyExists = 180,
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DirectoryAlreadyExists = 185,
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AlreadyExists = 190,
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InvalidOpenFlags = 230,
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DirectoryNotEmpty = 240,
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NotAFile = 250,
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NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
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ExeFSSectionNotFound = 567,
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CommandNotAllowed = 630,
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InvalidReadFlag = 700,
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InvalidPath = 702,
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WriteBeyondEnd = 705,
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UnsupportedOpenFlags = 760,
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IncorrectExeFSReadSize = 761,
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UnexpectedFileOrDirectory = 770,
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NotFound = 1,
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};
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}
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constexpr ResultCode ERROR_PATH_NOT_FOUND(ErrorModule::FS, ErrCodes::NotFound);
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// TODO(bunnei): Replace these with correct errors for Switch OS
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constexpr ResultCode ERROR_INVALID_PATH(ResultCode(-1));
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constexpr ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ResultCode(-1));
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constexpr ResultCode ERROR_INVALID_OPEN_FLAGS(ResultCode(-1));
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constexpr ResultCode ERROR_FILE_NOT_FOUND(ResultCode(-1));
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constexpr ResultCode ERROR_PATH_NOT_FOUND(ResultCode(-1));
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constexpr ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ResultCode(-1));
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constexpr ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ResultCode(-1));
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constexpr ResultCode ERROR_FILE_ALREADY_EXISTS(ResultCode(-1));
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@ -183,10 +183,9 @@ public:
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/**
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* Deletes the archive contents and then re-creates the base folder
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* @param path Path to the archive
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* @param format_info Format information for the new archive
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* @return ResultCode of the operation, 0 on success
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*/
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virtual ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) = 0;
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virtual ResultCode Format(const Path& path) = 0;
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/**
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* Retrieves the format info about the archive with the specified path
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@ -23,7 +23,7 @@ ResultVal<std::unique_ptr<FileSystemBackend>> RomFS_Factory::Open(const Path& pa
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return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
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}
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ResultCode RomFS_Factory::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
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ResultCode RomFS_Factory::Format(const Path& path) {
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LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
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// TODO(bunnei): Find the right error code for this
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return ResultCode(-1);
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@ -23,7 +23,7 @@ public:
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return "ArchiveFactory_RomFS";
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}
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ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
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ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
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ResultCode Format(const Path& path) override;
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ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
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private:
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@ -17,20 +17,26 @@ SaveData_Factory::SaveData_Factory(std::string nand_directory)
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: nand_directory(std::move(nand_directory)) {}
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ResultVal<std::unique_ptr<FileSystemBackend>> SaveData_Factory::Open(const Path& path) {
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u64 title_id = Kernel::g_current_process->program_id;
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// TODO(Subv): Somehow obtain this value.
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u32 user = 0;
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std::string save_directory = Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X",
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nand_directory.c_str(), title_id, user);
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std::string save_directory = GetFullPath();
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// Return an error if the save data doesn't actually exist.
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if (!FileUtil::IsDirectory(save_directory)) {
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// TODO(Subv): Find out correct error code.
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return ResultCode(-1);
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}
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auto archive = std::make_unique<Disk_FileSystem>(save_directory);
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return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
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}
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ResultCode SaveData_Factory::Format(const Path& path,
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const FileSys::ArchiveFormatInfo& format_info) {
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LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
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// TODO(bunnei): Find the right error code for this
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return ResultCode(-1);
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ResultCode SaveData_Factory::Format(const Path& path) {
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LOG_WARNING(Service_FS, "Format archive %s", GetName().c_str());
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// Create the save data directory.
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if (!FileUtil::CreateFullPath(GetFullPath())) {
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// TODO(Subv): Find the correct error code.
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return ResultCode(-1);
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}
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return RESULT_SUCCESS;
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}
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ResultVal<ArchiveFormatInfo> SaveData_Factory::GetFormatInfo(const Path& path) const {
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@ -39,4 +45,12 @@ ResultVal<ArchiveFormatInfo> SaveData_Factory::GetFormatInfo(const Path& path) c
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return ResultCode(-1);
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}
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std::string SaveData_Factory::GetFullPath() const {
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u64 title_id = Kernel::g_current_process->program_id;
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// TODO(Subv): Somehow obtain this value.
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u32 user = 0;
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return Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X/", nand_directory.c_str(), title_id,
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user);
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}
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} // namespace FileSys
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@ -21,11 +21,13 @@ public:
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return "SaveData_Factory";
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}
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ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
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ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
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ResultCode Format(const Path& path) override;
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ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
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private:
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std::string nand_directory;
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std::string GetFullPath() const;
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};
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} // namespace FileSys
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@ -2,12 +2,15 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cinttypes>
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#include "core/file_sys/filesystem.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/service/am/am.h"
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#include "core/hle/service/am/applet_ae.h"
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#include "core/hle/service/am/applet_oe.h"
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#include "core/hle/service/apm/apm.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/hle/service/nvflinger/nvflinger.h"
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namespace Service {
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@ -416,9 +419,24 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
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}
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void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
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u128 uid = rp.PopRaw<u128>();
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LOG_WARNING(Service, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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FileSys::Path unused;
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auto savedata = FileSystem::OpenFileSystem(FileSystem::Type::SaveData, unused);
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if (savedata.Failed()) {
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// Create the save data and return an error indicating that the operation was performed.
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FileSystem::FormatFileSystem(FileSystem::Type::SaveData);
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// TODO(Subv): Find out the correct error code for this.
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rb.Push(ResultCode(ErrorModule::FS, 40));
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} else {
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rb.Push(RESULT_SUCCESS);
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}
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rb.Push<u64>(0);
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}
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@ -43,6 +43,19 @@ ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
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return itr->second->Open(path);
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}
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ResultCode FormatFileSystem(Type type) {
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LOG_TRACE(Service_FS, "Formatting FileSystem with type=%d", type);
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auto itr = filesystem_map.find(type);
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if (itr == filesystem_map.end()) {
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// TODO(bunnei): Find a better error code for this
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return ResultCode(-1);
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}
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FileSys::Path unused;
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return itr->second->Format(unused);
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}
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void RegisterFileSystems() {
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filesystem_map.clear();
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@ -44,6 +44,13 @@ ResultCode RegisterFileSystem(std::unique_ptr<FileSys::FileSystemFactory>&& fact
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ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
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FileSys::Path& path);
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/**
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* Formats a file system
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* @param type Type of the file system to format
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* @return ResultCode of the operation
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*/
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ResultCode FormatFileSystem(Type type);
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/// Registers all Filesystem services with the specified service manager.
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void InstallInterfaces(SM::ServiceManager& service_manager);
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@ -245,6 +245,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
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static const FunctionInfo functions[] = {
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{1, &FSP_SRV::Initalize, "Initalize"},
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{18, &FSP_SRV::MountSdCard, "MountSdCard"},
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{22, &FSP_SRV::CreateSaveData, "CreateSaveData"},
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{51, &FSP_SRV::MountSaveData, "MountSaveData"},
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{200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
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{202, nullptr, "OpenDataStorageByDataId"},
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@ -279,6 +280,19 @@ void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
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rb.Push(RESULT_SUCCESS);
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}
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void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto save_struct = rp.PopRaw<std::array<u8, 0x40>>();
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auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
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u128 uid = rp.PopRaw<u128>();
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LOG_WARNING(Service_FS, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_FS, "(STUBBED) called");
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@ -24,6 +24,7 @@ private:
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void Initalize(Kernel::HLERequestContext& ctx);
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void MountSdCard(Kernel::HLERequestContext& ctx);
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void CreateSaveData(Kernel::HLERequestContext& ctx);
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void MountSaveData(Kernel::HLERequestContext& ctx);
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void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
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void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
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