RISC-V ISA Explorer · Memory & Addressing
Svadu: Access/Dirty Update
Ratified 2023-11 · version 1.0.0
Hardware sets the accessed and dirty bits in page table entries, sparing software a fault on every update.
Typical use: Hardware A/D-bit updates
Open Svadu in the explorerDependencies
Requires
Requires one of
Instructions
No instruction encodings are listed for this extension in the catalogue.
Control and status registers (2)
| Name | Address | Mode | Description |
|---|---|---|---|
menvcfg | 0x30a | M | Machine Environment Configuration |
menvcfgh | 0x31a | M | Machine Environment Configuration |