Cargo Features

[dependencies]
aarch64-rt = { version = "0.1.0", default-features = false, features = ["el1", "el3", "initial-pagetable"] }
default = el1, exceptions, initial-pagetable

These default features are set whenever aarch64-rt is added without default-features = false somewhere in the dependency tree.

el1 default
el2 el3
exceptions initial-pagetable default

aarch64-rt has 4 features without comments.