Canon 90D cr3 file command issue

we was using "dcraw.exe" to run the Canon 7D's cr2 file, the command are: -W -D -4.
Right now we used "dcraw_emu.exe" to run the Canon 90D's cr3 file,but we cannot got the same command like -W -D -4 (there is no -D "-D Document mode without scaling (totally raw)").
Could you let me know how can we get the same command -W -D -4 with the Canon 90D's cr3 file ?

Forums: 

There is no 'Document mode'

There is no 'Document mode' in dcraw_emu

unprocessed_raw and/or 4channels sample(s) may solve your task.

-- Alex Tutubalin