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Merge pull request #1302 from Subv/save_fix

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HLE/FS: Fixed many corner cases in our file handling
This commit is contained in:
bunnei 2016-03-20 16:11:49 -04:00
commit b83e95727f
24 changed files with 400 additions and 143 deletions
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29
src/core/file_sys/archive_backend.h
View file

@ -11,6 +11,7 @@
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/result.h"
@ -62,6 +63,14 @@ private:
std::u16string u16str;
};
struct ArchiveFormatInfo {
u32_le total_size; ///< The pre-defined size of the archive, as specified in the Create or Format call
u32_le number_directories; ///< The pre-defined number of directories in the archive, as specified in the Create or Format call
u32_le number_files; ///< The pre-defined number of files in the archive, as specified in the Create or Format call
u8 duplicate_data; ///< Whether the archive should duplicate the data, as specified in the Create or Format call
};
static_assert(std::is_pod<ArchiveFormatInfo>::value, "ArchiveFormatInfo is not POD");
class ArchiveBackend : NonCopyable {
public:
virtual ~ArchiveBackend() {
@ -76,16 +85,16 @@ public:
* Open a file specified by its path, using the specified mode
* @param path Path relative to the archive
* @param mode Mode to open the file with
* @return Opened file, or nullptr
* @return Opened file, or error code
*/
virtual std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const = 0;
virtual ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path, const Mode mode) const = 0;
/**
* Delete a file specified by its path
* @param path Path relative to the archive
* @return Whether the file could be deleted
* @return Result of the operation
*/
virtual bool DeleteFile(const Path& path) const = 0;
virtual ResultCode DeleteFile(const Path& path) const = 0;
/**
* Rename a File specified by its path
@ -108,7 +117,7 @@ public:
* @param size The size of the new file, filled with zeroes
* @return File creation result code
*/
virtual ResultCode CreateFile(const Path& path, u32 size) const = 0;
virtual ResultCode CreateFile(const Path& path, u64 size) const = 0;
/**
* Create a directory specified by its path
@ -159,9 +168,17 @@ public:
/**
* Deletes the archive contents and then re-creates the base folder
* @param path Path to the archive
* @param format_info Format information for the new archive
* @return ResultCode of the operation, 0 on success
*/
virtual ResultCode Format(const Path& path) = 0;
virtual ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) = 0;
/**
* Retrieves the format info about the archive with the specified path
* @param path Path to the archive
* @return Format information about the archive or error code
*/
virtual ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const = 0;
};
} // namespace FileSys

48
src/core/file_sys/archive_extsavedata.cpp
View file

@ -58,7 +58,7 @@ Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low) {
}
ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location, bool shared)
: mount_point(GetExtDataContainerPath(mount_location, shared)) {
: shared(shared), mount_point(GetExtDataContainerPath(mount_location, shared)) {
LOG_INFO(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
}
@ -74,21 +74,59 @@ bool ArchiveFactory_ExtSaveData::Initialize() {
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(const Path& path) {
std::string fullpath = GetExtSaveDataPath(mount_point, path) + "user/";
if (!FileUtil::Exists(fullpath)) {
// TODO(Subv): Check error code, this one is probably wrong
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
// TODO(Subv): Verify the archive behavior of SharedExtSaveData compared to ExtSaveData.
// ExtSaveData seems to return FS_NotFound (120) when the archive doesn't exist.
if (!shared) {
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
} else {
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
}
}
auto archive = Common::make_unique<DiskArchive>(fullpath);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path) {
ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
// These folders are always created with the ExtSaveData
std::string user_path = GetExtSaveDataPath(mount_point, path) + "user/";
std::string boss_path = GetExtSaveDataPath(mount_point, path) + "boss/";
FileUtil::CreateFullPath(user_path);
FileUtil::CreateFullPath(boss_path);
// Write the format metadata
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "wb");
if (!file.IsOpen()) {
// TODO(Subv): Find the correct error code
return ResultCode(-1);
}
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_ExtSaveData::GetFormatInfo(const Path& path) const {
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS, ErrorSummary::InvalidState, ErrorLevel::Status);
}
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
void ArchiveFactory_ExtSaveData::WriteIcon(const Path& path, const u8* icon_data, size_t icon_size) {
std::string game_path = FileSys::GetExtSaveDataPath(GetMountPoint(), path);
FileUtil::IOFile icon_file(game_path + "icon", "wb");
icon_file.WriteBytes(icon_data, icon_size);
}
} // namespace FileSys

12
src/core/file_sys/archive_extsavedata.h
View file

@ -31,10 +31,19 @@ public:
std::string GetName() const override { return "ExtSaveData"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
const std::string& GetMountPoint() const { return mount_point; }
/**
* Writes the SMDH icon of the ExtSaveData to file
* @param path Path of this ExtSaveData
* @param icon_data Binary data of the icon
* @param icon_size Size of the icon data
*/
void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
private:
/**
* This holds the full directory path for this archive, it is only set after a successful call
@ -42,6 +51,7 @@ private:
* See GetExtSaveDataPath for the code that extracts this data from an archive path.
*/
std::string mount_point;
bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData archive
};
/**

8
src/core/file_sys/archive_romfs.cpp
View file

@ -29,11 +29,17 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_RomFS::Open(const Path
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_RomFS::Format(const Path& path) {
ResultCode ArchiveFactory_RomFS::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
LOG_ERROR(Service_FS, "Attempted to format a RomFS archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_RomFS::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

3
src/core/file_sys/archive_romfs.h
View file

@ -26,7 +26,8 @@ public:
std::string GetName() const override { return "RomFS"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::shared_ptr<FileUtil::IOFile> romfs_file;

36
src/core/file_sys/archive_savedata.cpp
View file

@ -26,11 +26,17 @@ static std::string GetSaveDataContainerPath(const std::string& sdmc_directory) {
}
static std::string GetSaveDataPath(const std::string& mount_location, u64 program_id) {
u32 high = program_id >> 32;
u32 low = program_id & 0xFFFFFFFF;
u32 high = (u32)(program_id >> 32);
u32 low = (u32)(program_id & 0xFFFFFFFF);
return Common::StringFromFormat("%s%08x/%08x/data/00000001/", mount_location.c_str(), high, low);
}
static std::string GetSaveDataMetadataPath(const std::string& mount_location, u64 program_id) {
u32 high = (u32)(program_id >> 32);
u32 low = (u32)(program_id & 0xFFFFFFFF);
return Common::StringFromFormat("%s%08x/%08x/data/00000001.metadata", mount_location.c_str(), high, low);
}
ArchiveFactory_SaveData::ArchiveFactory_SaveData(const std::string& sdmc_directory)
: mount_point(GetSaveDataContainerPath(sdmc_directory)) {
LOG_INFO(Service_FS, "Directory %s set as SaveData.", this->mount_point.c_str());
@ -51,11 +57,35 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const P
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveData::Format(const Path& path) {
ResultCode ArchiveFactory_SaveData::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
// Write the format metadata
std::string metadata_path = GetSaveDataMetadataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::IOFile file(metadata_path, "wb");
if (file.IsOpen()) {
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
std::string metadata_path = GetSaveDataMetadataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::IOFile file(metadata_path, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS, ErrorSummary::InvalidState, ErrorLevel::Status);
}
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
} // namespace FileSys

4
src/core/file_sys/archive_savedata.h
View file

@ -23,7 +23,9 @@ public:
std::string GetName() const override { return "SaveData"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;

8
src/core/file_sys/archive_savedatacheck.cpp
View file

@ -48,11 +48,17 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveDataCheck::Open(co
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveDataCheck::Format(const Path& path) {
ResultCode ArchiveFactory_SaveDataCheck::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
LOG_ERROR(Service_FS, "Attempted to format a SaveDataCheck archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveDataCheck::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

3
src/core/file_sys/archive_savedatacheck.h
View file

@ -23,7 +23,8 @@ public:
std::string GetName() const override { return "SaveDataCheck"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;

7
src/core/file_sys/archive_sdmc.cpp
View file

@ -40,9 +40,14 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMC::Open(const Path&
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SDMC::Format(const Path& path) {
ResultCode ArchiveFactory_SDMC::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
// This is kind of an undesirable operation, so let's just ignore it. :)
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SDMC::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

3
src/core/file_sys/archive_sdmc.h
View file

@ -29,7 +29,8 @@ public:
std::string GetName() const override { return "SDMC"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string sdmc_directory;

8
src/core/file_sys/archive_systemsavedata.cpp
View file

@ -63,11 +63,17 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(c
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path) {
ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
std::string fullpath = GetSystemSaveDataPath(base_path, path);
FileUtil::DeleteDirRecursively(fullpath);
FileUtil::CreateFullPath(fullpath);
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SystemSaveData::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

3
src/core/file_sys/archive_systemsavedata.h
View file

@ -23,7 +23,8 @@ public:
ArchiveFactory_SystemSaveData(const std::string& mount_point);
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
std::string GetName() const override { return "SystemSaveData"; }

80
src/core/file_sys/disk_archive.cpp
View file

@ -17,16 +17,28 @@
namespace FileSys {
std::unique_ptr<FileBackend> DiskArchive::OpenFile(const Path& path, const Mode mode) const {
ResultVal<std::unique_ptr<FileBackend>> DiskArchive::OpenFile(const Path& path, const Mode mode) const {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
auto file = Common::make_unique<DiskFile>(*this, path, mode);
if (!file->Open())
return nullptr;
return std::move(file);
ResultCode result = file->Open();
if (result.IsError())
return result;
return MakeResult<std::unique_ptr<FileBackend>>(std::move(file));
}
bool DiskArchive::DeleteFile(const Path& path) const {
return FileUtil::Delete(mount_point + path.AsString());
ResultCode DiskArchive::DeleteFile(const Path& path) const {
std::string file_path = mount_point + path.AsString();
if (FileUtil::IsDirectory(file_path))
return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
if (!FileUtil::Exists(file_path))
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound, ErrorLevel::Status);
if (FileUtil::Delete(file_path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
}
bool DiskArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
@ -37,11 +49,14 @@ bool DiskArchive::DeleteDirectory(const Path& path) const {
return FileUtil::DeleteDir(mount_point + path.AsString());
}
ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u32 size) const {
ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u64 size) const {
std::string full_path = mount_point + path.AsString();
if (FileUtil::IsDirectory(full_path))
return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
if (FileUtil::Exists(full_path))
return ResultCode(ErrorDescription::AlreadyExists, ErrorModule::FS, ErrorSummary::NothingHappened, ErrorLevel::Info);
return ResultCode(ErrorDescription::FS_AlreadyExists, ErrorModule::FS, ErrorSummary::NothingHappened, ErrorLevel::Status);
if (size == 0) {
FileUtil::CreateEmptyFile(full_path);
@ -89,38 +104,57 @@ DiskFile::DiskFile(const DiskArchive& archive, const Path& path, const Mode mode
this->mode.hex = mode.hex;
}
bool DiskFile::Open() {
if (!mode.create_flag && !FileUtil::Exists(path)) {
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.", path.c_str());
return false;
ResultCode DiskFile::Open() {
if (FileUtil::IsDirectory(path))
return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
// Specifying only the Create flag is invalid
if (mode.create_flag && !mode.read_flag && !mode.write_flag) {
return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
}
std::string mode_string;
if (mode.create_flag)
mode_string = "w+";
else if (mode.write_flag)
mode_string = "r+"; // Files opened with Write access can be read from
if (!FileUtil::Exists(path)) {
if (!mode.create_flag) {
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.", path.c_str());
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound, ErrorLevel::Status);
} else {
// Create the file
FileUtil::CreateEmptyFile(path);
}
}
std::string mode_string = "";
if (mode.write_flag)
mode_string += "r+"; // Files opened with Write access can be read from
else if (mode.read_flag)
mode_string = "r";
mode_string += "r";
// Open the file in binary mode, to avoid problems with CR/LF on Windows systems
mode_string += "b";
file = Common::make_unique<FileUtil::IOFile>(path, mode_string.c_str());
return file->IsOpen();
if (file->IsOpen())
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound, ErrorLevel::Status);
}
size_t DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
if (!mode.read_flag && !mode.write_flag)
return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
file->Seek(offset, SEEK_SET);
return file->ReadBytes(buffer, length);
return MakeResult<size_t>(file->ReadBytes(buffer, length));
}
size_t DiskFile::Write(const u64 offset, const size_t length, const bool flush, const u8* buffer) const {
ResultVal<size_t> DiskFile::Write(const u64 offset, const size_t length, const bool flush, const u8* buffer) const {
if (!mode.write_flag)
return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status);
file->Seek(offset, SEEK_SET);
size_t written = file->WriteBytes(buffer, length);
if (flush)
file->Flush();
return written;
return MakeResult<size_t>(written);
}
u64 DiskFile::GetSize() const {

12
src/core/file_sys/disk_archive.h
View file

@ -33,11 +33,11 @@ public:
virtual std::string GetName() const override { return "DiskArchive: " + mount_point; }
std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
bool DeleteFile(const Path& path) const override;
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path, const Mode mode) const override;
ResultCode DeleteFile(const Path& path) const override;
bool RenameFile(const Path& src_path, const Path& dest_path) const override;
bool DeleteDirectory(const Path& path) const override;
ResultCode CreateFile(const Path& path, u32 size) const override;
ResultCode CreateFile(const Path& path, u64 size) const override;
bool CreateDirectory(const Path& path) const override;
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
@ -54,9 +54,9 @@ class DiskFile : public FileBackend {
public:
DiskFile(const DiskArchive& archive, const Path& path, const Mode mode);
bool Open() override;
size_t Read(u64 offset, size_t length, u8* buffer) const override;
size_t Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
ResultCode Open() override;
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
bool SetSize(u64 size) const override;
bool Close() const override;

13
src/core/file_sys/file_backend.h
View file

@ -7,6 +7,7 @@
#include <cstddef>
#include "common/common_types.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
@ -20,18 +21,18 @@ public:
/**
* Open the file
* @return true if the file opened correctly
* @return Result of the file operation
*/
virtual bool Open() = 0;
virtual ResultCode Open() = 0;
/**
* Read data from the file
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from file
* @param buffer Buffer to read data into
* @return Number of bytes read
* @return Number of bytes read, or error code
*/
virtual size_t Read(u64 offset, size_t length, u8* buffer) const = 0;
virtual ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const = 0;
/**
* Write data to the file
@ -39,9 +40,9 @@ public:
* @param length Length in bytes of data to write to file
* @param flush The flush parameters (0 == do not flush)
* @param buffer Buffer to read data from
* @return Number of bytes written
* @return Number of bytes written, or error code
*/
virtual size_t Write(u64 offset, size_t length, bool flush, const u8* buffer) const = 0;
virtual ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const = 0;
/**
* Get the size of the file in bytes

21
src/core/file_sys/ivfc_archive.cpp
View file

@ -20,13 +20,15 @@ std::string IVFCArchive::GetName() const {
return "IVFC";
}
std::unique_ptr<FileBackend> IVFCArchive::OpenFile(const Path& path, const Mode mode) const {
return Common::make_unique<IVFCFile>(romfs_file, data_offset, data_size);
ResultVal<std::unique_ptr<FileBackend>> IVFCArchive::OpenFile(const Path& path, const Mode mode) const {
return MakeResult<std::unique_ptr<FileBackend>>(Common::make_unique<IVFCFile>(romfs_file, data_offset, data_size));
}
bool IVFCArchive::DeleteFile(const Path& path) const {
ResultCode IVFCArchive::DeleteFile(const Path& path) const {
LOG_CRITICAL(Service_FS, "Attempted to delete a file from an IVFC archive (%s).", GetName().c_str());
return false;
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::NoData, ErrorModule::FS,
ErrorSummary::Canceled, ErrorLevel::Status);
}
bool IVFCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
@ -39,7 +41,7 @@ bool IVFCArchive::DeleteDirectory(const Path& path) const {
return false;
}
ResultCode IVFCArchive::CreateFile(const Path& path, u32 size) const {
ResultCode IVFCArchive::CreateFile(const Path& path, u64 size) const {
LOG_CRITICAL(Service_FS, "Attempted to create a file in an IVFC archive (%s).", GetName().c_str());
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported, ErrorLevel::Permanent);
@ -66,17 +68,18 @@ u64 IVFCArchive::GetFreeBytes() const {
////////////////////////////////////////////////////////////////////////////////////////////////////
size_t IVFCFile::Read(const u64 offset, const size_t length, u8* buffer) const {
ResultVal<size_t> IVFCFile::Read(const u64 offset, const size_t length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
romfs_file->Seek(data_offset + offset, SEEK_SET);
size_t read_length = (size_t)std::min((u64)length, data_size - offset);
return romfs_file->ReadBytes(buffer, read_length);
return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
}
size_t IVFCFile::Write(const u64 offset, const size_t length, const bool flush, const u8* buffer) const {
ResultVal<size_t> IVFCFile::Write(const u64 offset, const size_t length, const bool flush, const u8* buffer) const {
LOG_ERROR(Service_FS, "Attempted to write to IVFC file");
return 0;
// TODO(Subv): Find error code
return MakeResult<size_t>(0);
}
u64 IVFCFile::GetSize() const {

12
src/core/file_sys/ivfc_archive.h
View file

@ -34,11 +34,11 @@ public:
std::string GetName() const override;
std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
bool DeleteFile(const Path& path) const override;
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path, const Mode mode) const override;
ResultCode DeleteFile(const Path& path) const override;
bool RenameFile(const Path& src_path, const Path& dest_path) const override;
bool DeleteDirectory(const Path& path) const override;
ResultCode CreateFile(const Path& path, u32 size) const override;
ResultCode CreateFile(const Path& path, u64 size) const override;
bool CreateDirectory(const Path& path) const override;
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
@ -55,9 +55,9 @@ public:
IVFCFile(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
: romfs_file(file), data_offset(offset), data_size(size) {}
bool Open() override { return true; }
size_t Read(u64 offset, size_t length, u8* buffer) const override;
size_t Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
ResultCode Open() override { return RESULT_SUCCESS; }
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
bool SetSize(u64 size) const override;
bool Close() const override { return false; }

6
src/core/hle/result.h
View file

@ -19,8 +19,12 @@
enum class ErrorDescription : u32 {
Success = 0,
WrongAddress = 53,
FS_NotFound = 100,
FS_NotFound = 120,
FS_AlreadyExists = 190,
FS_InvalidOpenFlags = 230,
FS_NotAFile = 250,
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
FS_InvalidPath = 702,
InvalidSection = 1000,
TooLarge = 1001,
NotAuthorized = 1002,

5
src/core/hle/service/cfg/cfg.cpp
View file

@ -310,7 +310,8 @@ ResultCode UpdateConfigNANDSavegame() {
ResultCode FormatConfig() {
ResultCode res = DeleteConfigNANDSaveFile();
if (!res.IsSuccess())
// The delete command fails if the file doesn't exist, so we have to check that too
if (!res.IsSuccess() && res.description != ErrorDescription::FS_NotFound)
return res;
// Delete the old data
cfg_config_file_buffer.fill(0);
@ -407,7 +408,7 @@ void Init() {
// If the archive didn't exist, create the files inside
if (archive_result.Code().description == ErrorDescription::FS_NotFormatted) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData, FileSys::ArchiveFormatInfo(), archive_path);
// Open it again to get a valid archive now that the folder exists
archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);

90
src/core/hle/service/fs/archive.cpp
View file

@ -103,7 +103,18 @@ ResultVal<bool> File::SyncRequest() {
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s %s: offset=0x%llx length=%d address=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
cmd_buff[2] = static_cast<u32>(backend->Read(offset, length, Memory::GetPointer(address)));
if (offset + length > backend->GetSize()) {
LOG_ERROR(Service_FS, "Reading from out of bounds offset=0x%llX length=0x%08X file_size=0x%llX",
offset, length, backend->GetSize());
}
ResultVal<size_t> read = backend->Read(offset, length, Memory::GetPointer(address));
if (read.Failed()) {
cmd_buff[1] = read.Code().raw;
return read.Code();
}
cmd_buff[2] = static_cast<u32>(*read);
break;
}
@ -116,7 +127,13 @@ ResultVal<bool> File::SyncRequest() {
u32 address = cmd_buff[6];
LOG_TRACE(Service_FS, "Write %s %s: offset=0x%llx length=%d address=0x%x, flush=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
cmd_buff[2] = static_cast<u32>(backend->Write(offset, length, flush != 0, Memory::GetPointer(address)));
ResultVal<size_t> written = backend->Write(offset, length, flush != 0, Memory::GetPointer(address));
if (written.Failed()) {
cmd_buff[1] = written.Code().raw;
return written.Code();
}
cmd_buff[2] = static_cast<u32>(*written);
break;
}
@ -294,13 +311,11 @@ ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_han
if (archive == nullptr)
return ERR_INVALID_HANDLE;
std::unique_ptr<FileSys::FileBackend> backend = archive->OpenFile(path, mode);
if (backend == nullptr) {
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Status);
}
auto backend = archive->OpenFile(path, mode);
if (backend.Failed())
return backend.Code();
auto file = Kernel::SharedPtr<File>(new File(std::move(backend), path));
auto file = Kernel::SharedPtr<File>(new File(backend.MoveFrom(), path));
return MakeResult<Kernel::SharedPtr<File>>(std::move(file));
}
@ -309,10 +324,7 @@ ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Pa
if (archive == nullptr)
return ERR_INVALID_HANDLE;
if (archive->DeleteFile(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
return archive->DeleteFile(path);
}
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
@ -347,7 +359,7 @@ ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSy
ErrorSummary::Canceled, ErrorLevel::Status);
}
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path, u32 file_size) {
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path, u64 file_size) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
@ -395,7 +407,7 @@ ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle a
std::unique_ptr<FileSys::DirectoryBackend> backend = archive->OpenDirectory(path);
if (backend == nullptr) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
@ -410,49 +422,45 @@ ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) {
return MakeResult<u64>(archive->GetFreeBytes());
}
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path) {
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::ArchiveFormatInfo& format_info, const FileSys::Path& path) {
auto archive_itr = id_code_map.find(id_code);
if (archive_itr == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
return archive_itr->second->Format(path);
return archive_itr->second->Format(path, format_info);
}
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer, u32 icon_size) {
ResultVal<FileSys::ArchiveFormatInfo> GetArchiveFormatInfo(ArchiveIdCode id_code, FileSys::Path& archive_path) {
auto archive = id_code_map.find(id_code);
if (archive == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
return archive->second->GetFormatInfo(archive_path);
}
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer, u32 icon_size, const FileSys::ArchiveFormatInfo& format_info) {
// Construct the binary path to the archive first
FileSys::Path path = FileSys::ConstructExtDataBinaryPath(static_cast<u32>(media_type), high, low);
std::string media_type_directory;
if (media_type == MediaType::NAND) {
media_type_directory = FileUtil::GetUserPath(D_NAND_IDX);
} else if (media_type == MediaType::SDMC) {
media_type_directory = FileUtil::GetUserPath(D_SDMC_IDX);
} else {
LOG_ERROR(Service_FS, "Unsupported media type %u", media_type);
return ResultCode(-1); // TODO(Subv): Find the right error code
auto archive = id_code_map.find(media_type == MediaType::NAND ? ArchiveIdCode::SharedExtSaveData : ArchiveIdCode::ExtSaveData);
if (archive == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
std::string base_path = FileSys::GetExtDataContainerPath(media_type_directory, media_type == MediaType::NAND);
std::string game_path = FileSys::GetExtSaveDataPath(base_path, path);
// These two folders are always created with the ExtSaveData
std::string user_path = game_path + "user/";
std::string boss_path = game_path + "boss/";
if (!FileUtil::CreateFullPath(user_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
if (!FileUtil::CreateFullPath(boss_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
auto ext_savedata = static_cast<FileSys::ArchiveFactory_ExtSaveData*>(archive->second.get());
ResultCode result = ext_savedata->Format(path, format_info);
if (result.IsError())
return result;
u8* smdh_icon = Memory::GetPointer(icon_buffer);
if (!smdh_icon)
return ResultCode(-1); // TODO(Subv): Find the right error code
// Create the icon
FileUtil::IOFile icon_file(game_path + "icon", "wb+");
if (!icon_file.IsGood())
return ResultCode(-1); // TODO(Subv): Find the right error code
icon_file.WriteBytes(smdh_icon, icon_size);
ext_savedata->WriteIcon(path, smdh_icon, icon_size);
return RESULT_SUCCESS;
}
@ -473,7 +481,7 @@ ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low) {
// Delete all directories (/user, /boss) and the icon file.
std::string base_path = FileSys::GetExtDataContainerPath(media_type_directory, media_type == MediaType::NAND);
std::string extsavedata_path = FileSys::GetExtSaveDataPath(base_path, path);
if (!FileUtil::DeleteDirRecursively(extsavedata_path))
if (FileUtil::Exists(extsavedata_path) && !FileUtil::DeleteDirRecursively(extsavedata_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
return RESULT_SUCCESS;
}

17
src/core/hle/service/fs/archive.h
View file

@ -136,7 +136,7 @@ ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSy
* @param file_size The size of the new file, filled with zeroes
* @return File creation result code
*/
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path, u32 file_size);
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path, u64 file_size);
/**
* Create a Directory from an Archive
@ -177,10 +177,20 @@ ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle);
* Erases the contents of the physical folder that contains the archive
* identified by the specified id code and path
* @param id_code The id of the archive to format
* @param format_info Format information about the new archive
* @param path The path to the archive, if relevant.
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path = FileSys::Path());
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::ArchiveFormatInfo& format_info, const FileSys::Path& path = FileSys::Path());
/**
* Retrieves the format info about the archive of the specified type and path.
* The format info is supplied by the client code when creating archives.
* @param id_code The id of the archive
* @param archive_path The path of the archive, if relevant
* @return The format info of the archive, or the corresponding error code if failed.
*/
ResultVal<FileSys::ArchiveFormatInfo> GetArchiveFormatInfo(ArchiveIdCode id_code, FileSys::Path& archive_path);
/**
* Creates a blank SharedExtSaveData archive for the specified extdata ID
@ -189,9 +199,10 @@ ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path = File
* @param low The low word of the extdata id to create
* @param icon_buffer VAddr of the SMDH icon for this ExtSaveData
* @param icon_size Size of the SMDH icon
* @param format_info Format information about the new archive
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer, u32 icon_size);
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer, u32 icon_size, const FileSys::ArchiveFormatInfo& format_info);
/**
* Deletes the SharedExtSaveData archive for the specified extdata ID

113
src/core/hle/service/fs/fs_user.cpp
View file

@ -234,7 +234,7 @@ static void DeleteDirectory(Service::Interface* self) {
* 3 : Archive handle upper word
* 4 : File path string type
* 5 : File path string size
* 7 : File size (filled with zeroes)
* 7-8 : File size
* 10: File path string data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
@ -245,12 +245,12 @@ static void CreateFile(Service::Interface* self) {
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5];
u32 file_size = cmd_buff[7];
u64 file_size = ((u64)cmd_buff[8] << 32) | cmd_buff[7];
u32 filename_ptr = cmd_buff[10];
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
LOG_DEBUG(Service_FS, "type=%d size=%d data=%s", filename_type, filename_size, file_path.DebugStr().c_str());
LOG_DEBUG(Service_FS, "type=%d size=%llu data=%s", filename_type, filename_size, file_path.DebugStr().c_str());
cmd_buff[1] = CreateFileInArchive(archive_handle, file_path, file_size).raw;
}
@ -443,17 +443,22 @@ static void IsSdmcWriteable(Service::Interface* self) {
* Inputs:
* 0 : 0x084C0242
* 1 : Archive ID
* 2 : Archive low path type
* 3 : Archive low path size
* 10 : (LowPathSize << 14) | 2
* 2 : Archive path type
* 3 : Archive path size
* 4 : Size in Blocks (1 block = 512 bytes)
* 5 : Number of directories
* 6 : Number of files
* 7 : Directory bucket count
* 8 : File bucket count
* 9 : Duplicate data
* 10 : (PathSize << 14) | 2
* 11 : Archive low path
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void FormatSaveData(Service::Interface* self) {
// TODO(Subv): Find out what the other inputs and outputs of this function are
u32* cmd_buff = Kernel::GetCommandBuffer();
LOG_DEBUG(Service_FS, "(STUBBED)");
LOG_WARNING(Service_FS, "(STUBBED)");
auto archive_id = static_cast<FS::ArchiveIdCode>(cmd_buff[1]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
@ -464,9 +469,9 @@ static void FormatSaveData(Service::Interface* self) {
LOG_DEBUG(Service_FS, "archive_path=%s", archive_path.DebugStr().c_str());
if (archive_id != FS::ArchiveIdCode::SaveData) {
// TODO(Subv): What should happen if somebody attempts to format a different archive?
LOG_ERROR(Service_FS, "tried to format an archive different than SaveData, %u", cmd_buff[1]);
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
LOG_ERROR(Service_FS, "tried to format an archive different than SaveData, %u", archive_id);
cmd_buff[1] = ResultCode(ErrorDescription::FS_InvalidPath, ErrorModule::FS,
ErrorSummary::InvalidArgument, ErrorLevel::Usage).raw;
return;
}
@ -477,23 +482,40 @@ static void FormatSaveData(Service::Interface* self) {
return;
}
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData).raw;
FileSys::ArchiveFormatInfo format_info;
format_info.duplicate_data = cmd_buff[9] & 0xFF;
format_info.number_directories = cmd_buff[5];
format_info.number_files = cmd_buff[6];
format_info.total_size = cmd_buff[4] * 512;
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData, format_info).raw;
}
/**
* FS_User::FormatThisUserSaveData service function
* Inputs:
* 0: 0x080F0180
* 1 : Size in Blocks (1 block = 512 bytes)
* 2 : Number of directories
* 3 : Number of files
* 4 : Directory bucket count
* 5 : File bucket count
* 6 : Duplicate data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void FormatThisUserSaveData(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
LOG_DEBUG(Service_FS, "(STUBBED)");
// TODO(Subv): Find out what the inputs and outputs of this function are
FileSys::ArchiveFormatInfo format_info;
format_info.duplicate_data = cmd_buff[6] & 0xFF;
format_info.number_directories = cmd_buff[2];
format_info.number_files = cmd_buff[3];
format_info.total_size = cmd_buff[1] * 512;
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData).raw;
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData, format_info).raw;
LOG_TRACE(Service_FS, "called");
}
/**
@ -531,10 +553,9 @@ static void GetFreeBytes(Service::Interface* self) {
* 2 : Low word of the saveid to create
* 3 : High word of the saveid to create
* 4 : Unknown
* 5 : Unknown
* 6 : Unknown
* 7 : Unknown
* 8 : Unknown
* 5 : Number of directories
* 6 : Number of files
* 7-8 : Size limit
* 9 : Size of the SMDH icon
* 10: (SMDH Size << 4) | 0x0000000A
* 11: Pointer to the SMDH icon for the new ExtSaveData
@ -556,7 +577,12 @@ static void CreateExtSaveData(Service::Interface* self) {
cmd_buff[3], cmd_buff[4], cmd_buff[5], cmd_buff[6], cmd_buff[7], cmd_buff[8], icon_size,
cmd_buff[10], icon_buffer);
cmd_buff[1] = CreateExtSaveData(media_type, save_high, save_low, icon_buffer, icon_size).raw;
FileSys::ArchiveFormatInfo format_info;
format_info.number_directories = cmd_buff[5];
format_info.number_files = cmd_buff[6];
format_info.duplicate_data = false;
format_info.total_size = 0;
cmd_buff[1] = CreateExtSaveData(media_type, save_high, save_low, icon_buffer, icon_size, format_info).raw;
}
/**
@ -731,6 +757,51 @@ static void GetArchiveResource(Service::Interface* self) {
cmd_buff[5] = 0x80000; // 8GiB free
}
/**
* FS_User::GetFormatInfo service function.
* Inputs:
* 0 : 0x084500C2
* 1 : Archive ID
* 2 : Archive path type
* 3 : Archive path size
* 4 : (PathSize << 14) | 2
* 5 : Archive low path
* Outputs:
* 0 : 0x08450140
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Total size
* 3 : Number of directories
* 4 : Number of files
* 5 : Duplicate data
*/
static void GetFormatInfo(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
auto archive_id = static_cast<FS::ArchiveIdCode>(cmd_buff[1]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
u32 archivename_size = cmd_buff[3];
u32 archivename_ptr = cmd_buff[5];
FileSys::Path archive_path(archivename_type, archivename_size, archivename_ptr);
LOG_DEBUG(Service_FS, "archive_path=%s", archive_path.DebugStr().c_str());
cmd_buff[0] = IPC::MakeHeader(0x0845, 5, 0);
auto format_info = GetArchiveFormatInfo(archive_id, archive_path);
if (format_info.Failed()) {
LOG_ERROR(Service_FS, "Failed to retrieve the format info");
cmd_buff[1] = format_info.Code().raw;
return;
}
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[2] = format_info->total_size;
cmd_buff[3] = format_info->number_directories;
cmd_buff[4] = format_info->number_files;
cmd_buff[5] = format_info->duplicate_data;
}
const Interface::FunctionInfo FunctionTable[] = {
{0x000100C6, nullptr, "Dummy1"},
{0x040100C4, nullptr, "Control"},
@ -802,7 +873,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x08420040, nullptr, "DeleteAllExtSaveDataOnNand"},
{0x08430000, nullptr, "InitializeCtrFileSystem"},
{0x08440000, nullptr, "CreateSeed"},
{0x084500C2, nullptr, "GetFormatInfo"},
{0x084500C2, GetFormatInfo, "GetFormatInfo"},
{0x08460102, nullptr, "GetLegacyRomHeader2"},
{0x08470180, nullptr, "FormatCtrCardUserSaveData"},
{0x08480042, nullptr, "GetSdmcCtrRootPath"},

2
src/core/hle/service/ptm/ptm.cpp
View file

@ -103,7 +103,7 @@ void Init() {
// If the archive didn't exist, create the files inside
if (archive_result.Code().description == ErrorDescription::FS_NotFormatted) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, FileSys::ArchiveFormatInfo(), archive_path);
// Open it again to get a valid archive now that the folder exists
archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");