*Actually you can use "boot filename = /path/to/shimx64.efi" just to derive the /path/to/grubx64.efi if you want; but that's not very important, just for TFTP directory organization.
*Actually you can use "boot filename = /path/to/ shimx64. efi" just to derive the /path/to/ grubx64. efi if you want; but that's not very important, just for TFTP directory organization.