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More than the Core Verifying RISC V SoCs

Talkat RISC-V Summit 2019 · 2019-12-09..12-12· [testing]
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OneSpin formalizes the RISC‑V ISA into SystemVerilog assertions and uses interval property checking to link pipeline behavior to a sequential instruction model. A semi‑automated app generates config‑specific assertions bound to RTL, producing unbounded proofs that run in about two hours and take less than a week to adapt to a new core. Applied to Rocket, Ri5CY and Pulpino, the flow finds real bugs — undocumented/added opcode behavior, FPU incorrect results, APB/AMBA protocol violations — and verifies 32/64‑bit implementations.

AI-written summary · about

  1. 0:00Intro
  2. 0:53Leading-Edge Technology Targeting critical hardware verification challenges
  3. 2:06RISC-V Verification Challenges Does the RTL precisely implement the RISC-V ISA spec?
  4. 2:55RISC-V Formal Methodology The specification
  5. 5:45RISC-V Formal Methodology Pipelined processor verification
  6. 6:24RISC-V Formal Methodology Interval Property Checking (IPC)
  7. 8:20RISC-V Formal Methodology Automates and accelerates verification
  8. 9:53Selection of Issues Found Rocket Core
  9. 14:50More than a Core: Verifying RISC-V SoCs Summary
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