core::arch::riscv32

# Function wfi

source

    pub unsafe fn wfi()

🔬This is a nightly-only experimental API. (`riscv_ext_intrinsics` #114544)
Available on RISC-V RV32 only.
Expand description

Generates the `WFI` instruction

The WFI instruction provides a hint to the implementation that the current hart can be stalled until an interrupt might need servicing. This instruction is a hint, and a legal implementation is to simply implement WFI as a NOP.