pub unsafe fn wfi()🔬This is a nightly-only experimental API. (
stdsimd #48556)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.