YosysHQ yosys
M0-M2Open synthesis toolchain for support matrix.
githubAuto indexedunknown
The license requires manual review.
This is not confirmed to be a reusable RTL core.
/cores
Core comparison
Comparison helps you see quickly which core carries less license, review, and integration risk.
Decision matrix
How to read the matrixStart with review status, license clarity, and warnings. If records are close, then look at tests, board evidence, and toolchain fit.2/4Ibex
M7 candidateSmall open RISC-V CPU used by OpenTitan.
githubAuto indexedApache-2.0
Manual review is required.
| Signal | YosysHQ yosys | Ibex |
|---|---|---|
| Category / source | toolchain/synthesis github | processor/RISC-V github |
| Review / maturity | Auto indexed M0-M2 | Auto indexed M7 candidate |
| License | unknownUnknown | Apache-2.0Manual review required |
| Evidence / boards | EvidencePublic evidence links attached to this record.BoardsBoard-linked compatibility records, not portability guarantees. | EvidencePublic evidence links attached to this record.BoardsBoard-linked compatibility records, not portability guarantees. |
| Board status | unknown | unknown |
| Tests / CI / formal | Tests: NoCI: NoFormal: No | Tests: NoCI: NoFormal: No |
| Docs / FuseSoC / board demo | Docs: NoFuseSoC: NoBoard demo: No | Docs: NoFuseSoC: NoBoard demo: No |
| Signals | QualityQualityUsefulnessUsefulnessIntegrationIntegrationVerificationVerification | QualityQualityUsefulnessUsefulnessIntegrationIntegrationVerificationVerification |
| Interfaces / buses | unknownunknown | unknownunknown |
| Toolchains | Yosys | Verilator |
| Warnings |
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