RISC-V ISA Explorer · Traps

Sscsrind: Indirect CSR Access (S)

Ratified 2024-11 · version 1.0.0

Reaches large arrays of supervisor registers by index through a select and window CSR pair, saving CSR space.

Typical use: CSR indirection at S-mode

Specification

Open Sscsrind in the explorer

Dependencies

Requires

Required by

Instructions

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

Control and status registers (4)

NameAddressModeDescription
hstateen00x60cSHypervisor State Enable 0 Register
hstateen0h0x61cSUpper 32 bits of Hypervisor State Enable 0 Register
mstateen00x30cMMachine State Enable 0 Register
mstateen0h0x31cMUpper 32 bits of Machine State Enable 0 Register