RISC-V ISA Explorer · Memory & Addressing

Sv57: Virtual Memory, 57-bit VA

Ratified · version 1.0

Five-level page tables widen the RV64 virtual address space to 57 bits for very large memory footprints.

Typical use: Paged virtual memory with a 128 PB address space

Specification

Dependencies

Requires

• Sv48

Instructions

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