RISC-V ISA Explorer · Memory & Addressing
Smmpm: Pointer Masking (M-mode)
Ratified 2024-10 · version 1.0.0
Pointer masking in M-mode, so tags kept in the upper bits of a pointer are ignored when the address is used.
Typical use: Tagged pointers in machine-mode software
Open Smmpm in the explorerInstructions
No instruction encodings are listed for this extension in the catalogue.
Control and status registers (2)
| Name | Address | Mode | Description |
|---|---|---|---|
mseccfg | 0x747 | M | Machine Security Configuration |
mseccfgh | 0x757 | M | Most significant 32 bits of Machine Security Configuration |