loading and ELF or a raw binary requires `/sys/firmware/memmap` (`CONFIG_FIRMWARE_MEMMAP`) https://firasuke.github.io/DOTSLASHLINUX/post/the-linux-kernel-configuration-guide-part-12-firmware-drivers/ https://docs.pmem.io/persistent-memory/getting-started-guide/creating-development-environments/linux-environments/linux-memmap
