Develop EFI applications for ARM-64, ARM-32, x86_64, IA-64 (IPF), IA-32 (x86), and MIPS platforms using the GNU toolchain and the EFI development environment.
Originally posted by **gmbr3** May 7, 2024
macOS support (x86_64 only) was added to shim's gnu-efi
Ref: rhboot/gnu-efi@b3e136f052210228b0a96dc045937ff04f8a3d4c
Discussed in https://github.com/ncroxon/gnu-efi/discussions/17