Cargo Features

[dependencies]
riscv-semihosting = { version = "0.1.2", default-features = false, features = ["u-mode", "jlink-quirks", "no-semihosting"] }
default = jlink-quirks

The jlink-quirks feature is set by default whenever riscv-semihosting is added without default-features = false somewhere in the dependency tree.

u-mode
no-semihosting

riscv-semihosting has 4 features without comments.