The program is executed on UEFI Bare Machine,So don’t use Windows Diskpart and gdisk,fdisk,mkfs.vfat on the Linux due to it is invaild in UEFI Bare Machine.Does anyone have the idea to do this?Tips:Use Disk_io_protocol in UEFI API and C code to complete it.

I want some C source code example for fat32 with only root directory exists formatting.