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SaveData: Added some documentation to FormatSaveData

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We still don't know what the other parameters do, but they appear to be very similar to those of FormatThisUserSaveData.
Most likely FormatThisUserSaveData is just an alias for FormatSaveData with LowPathType Empty
This commit is contained in:
Subv 2014-12-18 15:30:28 -05:00
parent 94a103a000
commit 77f0cdfaf4
1 changed files with 29 additions and 2 deletions
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31
src/core/hle/service/fs/fs_user.cpp
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@ -397,16 +397,43 @@ static void IsSdmcDetected(Service::Interface* self) {
}
/**
* FS_User::FormatSaveData service function
* FS_User::FormatSaveData service function,
* formats the SaveData specified by the input path.
* Inputs:
* 1 : Archive ID
* 2 : Archive low path type
* 3 : Archive low path size
* 10 : (LowPathSize << 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)");
// TODO(Subv): Find out what the inputs and outputs of this function are
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[11];
FileSys::Path archive_path(archivename_type, archivename_size, archivename_ptr);
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;
return;
}
if (archive_path.GetType() != FileSys::LowPathType::Empty) {
// TODO(Subv): Implement formatting the SaveData of other games
LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
return;
}
cmd_buff[1] = FormatSaveData().raw;
}