abi_efiapi

The tracking issue for this feature is: #65815


The efiapi calling convention can be used for defining a function with an ABI compatible with the UEFI Interfaces as defined in the UEFI Specification.

Example:

#![feature(abi_efiapi)]

extern "efiapi" { fn f1(); }

extern "efiapi" fn f2() { todo!() }