cfg_if::cfg_if! {
if #[cfg(target_arch = "aarch64")] {
mod aarch64;
pub use self::aarch64::*;
} else if #[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))] {
mod riscv;
pub use self::riscv::*;
} else if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
mod x86;
pub use self::x86::*;
}
}
pub enum CpuBarrierKind {
Mmio,
Smp,
Dma,
}