RISC-V ISA Explorer · Memory & Addressing

Sspmp: S-level PMP

Ratified 2026-08 · version 1.0.0

Supervisor-mode physical memory protection: per-hart entries that grant or revoke read, write and execute on physical regions without paging.

Typical use: Task isolation on MCU-class cores that have no MMU

Specification

Dependencies

Requires

• Smpmpdeleg
• Sscsrind

Required by

• Sspmpen

Instructions

No instruction encodings are listed for this extension in the catalogue.