there's https://yabits.github.io/ https://yabits.github.io/ , a coreboot payload implementing UEFI or you can use https://www.linuxboot.org/ https://www.linuxb

there's https://yabits.github.io/ https://yabits.github.io/ , a coreboot payload implementing UEFI or you can use https://www.linuxboot.org/ https://www.linuxboot.org/ as a coreboot payload