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Extension Roadmap
Prashanth Mundkur edited this page Dec 18, 2025
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105 revisions
This page lists extensions and other features that are not yet supported. See the README for supported extensions.
The following extensions are included in the RVA23 Profile but have not yet been merged into the RISC-V Sail Model
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Ziccif | PR in review | Ved Shanbhogue | #1245 |
| Ziccrse | Prashanth Mundkur | ||
| Ziccamoa | Prashanth Mundkur | ||
| Zicclsm | Prashanth Mundkur |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| H/Sha | More detailed status | Mingzhu Yan, Prashanth Mundkur, Lowie Deferme | #612 |
| Sm1p13 | Prashanth Mundkur | ||
| Ss1p13 | Prashanth Mundkur | ||
| Ssnpm | PR in Review | HAMZA-AFZAL404, Nadime Barhoumi | #969 |
| Supm | PR in Review | HAMZA-AFZAL404, Nadime Barhoumi | #969 |
| Ssstateen | PR in Review | Nadime Barhoumi, MingZhu Yan | #910 |
| Svade | PR in Review | MingZhu Yan | #725 |
| Svnapot | PR in Review | Ved Shanbhogue | #393 |
| Svpbmt | PR in Review | Ved Shanbhogue | #393 |
| Ssccptr | Prashanth Mundkur | ||
| Sscounterenw | Prashanth Mundkur |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Zicfiss | PR in Review | Prashanth Mundkur | #1408 |
| Zama16b | Just an architectural option, not really an extension. Support will be added with config system. |
Prashanth Mundkur | |
| Ziccamoc | Prashanth Mundkur |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Sdtrig | PR in Review | Yazan Hussnain | #573 |
| Sspm | PR in Review | HAMZA-AFZAL404, Nadime Barhoumi | #969 |
| Ssstrict | PR in Review | Prashanth Mundkur | #1383 |
| Svadu | PR in Review | MingZhu Yan | #725 |
| Svvptc | Prashanth Mundkur |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Q | PR in Review | Jordan Carlin | #445 |
| Zilsd | PR in Review | Mingzhu Yan | #765 |
| Zclsd | PR in Review | Mingzhu Yan | #765 |
| Zcmp | PR in Review | Nadime Barhoumi | #730 |
| Zcmt | PR in Review | Nadime Barhoumi | #757 |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Sm1p12 | Prashanth Mundkur | ||
| Smaia | Prashanth Mundkur | ||
| Smcdeleg | PR in Review | Andrew de los Reyes | #396 |
| Smcsrind | PR in Review | Ved Shanbhogue, @KotorinMinami | #956 |
| Smctr | PR in Review | Ved Shanbhogue | #491 |
| Smdbltrp | PR in Review | Ved Shanbhogue | #416 |
| Smepmp | PR in Review | @KotorinMinami | #601 |
| Smmpm | PR in Review | HAMZA-AFZAL404 | #969 |
| Smnpm | PR in Review | HAMZA-AFZAL404 | #969 |
| Smrnmi | PR in Review | Ved Shanbhogue | #396 |
| Smstateen | PR in Review | Nadime Barhoumi, MingZhu Yan | #910 |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Ss1p12 | Prashanth Mundkur | ||
| Ssaia | Prashanth Mundkur | ||
| Ssccfg | PR in Review | Andrew de los Reyes | #396 |
| Sscsrind | PR in Review | Ved Shanbhogue, @KotorinMinami | #956 |
| Ssdbltrp | PR in Review | Ved Shanbhogue | #416 |
| Ssqosid | PR in Review | Ved Shanbhogue | #379 |
| Extension | Status | Developer | PR/Issue |
|---|---|---|---|
| Sdext | PR in Review | Prashanth Mundkur | #954 |
| Feature | Status | Developer | PR/Issue |
|---|---|---|---|
| Big Endian | PR in Review | Muhammad Hammad Bashir | #751 |
| Mutable XLEN | Prashanth Mundkur |