RISC-V ISA Explorer · Traps
Smdbltrp: Machine Double Trap
Ratified 2024-08 · version 1.0.0
Turns a trap taken while M-mode is already handling a trap into an RNMI, Debug Mode entry or critical-error signal.
Typical use: Recoverable nested traps (M)
Open Smdbltrp in the explorerInstructions
No instruction encodings are listed for this extension in the catalogue.
Control and status registers (3)
| Name | Address | Mode | Description |
|---|---|---|---|
dcsr | 0x7b0 | D | Debug Control and Status Register |
mstatus | 0x300 | M | Machine Status |
mstatush | 0x310 | M | Machine Status High |