Zawrs Instructions
2 RISC-V instructions in this extension - click any row for encoding, pseudocode, and full documentation.
| Mnemonic | Syntax | Format | Summary |
|---|---|---|---|
| WRS.NTO | WRS.NTO | I-Type | Stalls the hart until a reservation set is invalid or a short timeout expires. Used for efficient polling/spinlocks. |
| WRS.STO | WRS.STO | I-Type | Stalls the hart until a reservation set is invalid or a very short implementation-defined timeout expires. |