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by spijdar 2040 days ago
Someone has ported TianoCore to powerNV, but I've never looked into it. You could replace the hostboot payload with any binary, it's basically just an ELF file with a payload delivered, an initramfs in the case of skiboot/petitboot.

Not a lot of advantages in UEFI over petitboot, though.

Edit: here it is. https://github.com/andreiw/ppc64le-edk2 mocks the presence of ACPI tables using the equivalent OPAL calls.