Can stvt be used as a standard CSR?
No. It is not listed in the current official RISC-V Privileged/AIA CSR tables; treat it only as implementation-defined or historical-draft content.
stvt at 0x107 is retained as a compatibility/draft-origin CSR; the current official RISC-V Privileged and AIA CSR tables do not list it.
stvt is not a standard Supervisor CSR in the current official RISC-V Privileged/AIA CSR tables; this page keeps it to prevent historical data from being mistaken for ratified specification.
Recognize stvt when porting old code or reading implementation documentation.
Return to the target chip or simulator manual for address, access, width, and side effects.
If implementation documentation is absent, do not depend on it in portable software.
No. It is not listed in the current official RISC-V Privileged/AIA CSR tables; treat it only as implementation-defined or historical-draft content.