micheleandClaude Sonnet 5
8d20a7bfbf
C.9 (pinout): certified citing this session's own F1-F7 work; also regenerated a real bitstream for the CURRENT full-system build (ecppack, 0 errors, real part header) rather than relying on an older pre-flash build's bitstream. C.10 (timing): certified citing Fmax re-measured at every structural change this session (54.58->75.30->73.88->66.68->67.91MHz), critical path re-verified identical at every re-synthesis. C.11 (toolchain): full RTL->Yosys->nextpnr-ecp5->ecppack flow re-run on the current build, 0 errors at every stage. Real-silicon behavior explicitly declared NOT certifiable (no physical hardware available). C.12 (netasm): certified citing 20/20 tests plus a real hardware round-trip already demonstrated earlier this session. C.13 (datasheet/RTL coherence): real, current discrepancy found and declared -- none of this campaign's 7 bugs (BUG-001-007) are yet mentioned in the datasheet or engine spec doc. Correct and expected (found after those docs were last updated), flagged as required follow-up after the campaign completes. C.14: page-mode PSRAM and the flash subsystem are actually COMPLETE, not "in progress" as the certification prompt assumed -- verified against real repo state. D (cross-cutting): CDC certified via C.7. Reset scheme found by exhaustive grep across all 20 RTL files to be synchronous-only everywhere (no posedge rst anywhere) -- a real fact, differs from the prompt's async-assert/sync-deassert phrasing, not a defect. FSM: the campaign's own BUG-002-007 ARE FSM defects, found and documented, but no exhaustive reachability analysis of every FSM was done (stated reserve). Width/overflow: 2 real cases found across the whole session. Lint: full-system Yosys check, one real warning (known PSRAM tristate), zero accidental latches confirmed signal-by-signal (25 explicit confirmations). Determinism: no real non-determinism found (the one apparent inconsistency, BUG-003, traced to genuinely different test stimuli between attempts, not unstable behavior for identical stimuli). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013xXuuRUWZScuo1DeYJxs3v
28 lines
1.2 KiB
Markdown
28 lines
1.2 KiB
Markdown
# C.11 — Toolchain / build (Yosys → nextpnr-ecp5 → `ecppack` → `.bit` reale)
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Data: 2026-09-04.
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## Evidenza
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- **Flusso completo eseguito end-to-end sul build corrente**, non solo in passato su build
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più vecchi:
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```
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yosys -p "synth_ecp5 -json top.json -top spi_neuron_top" <20 file RTL>
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→ 0 problemi CHECK
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nextpnr-ecp5 --45k --package CABGA381 --speed 8 --json top.json --lpf spi_neuron_top.lpf
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→ 0 errori di vincolo, "Program finished normally", Fmax 67.91 MHz
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ecppack --compress top.config /tmp/current_full_system.bit
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→ 0 errori, 319747 byte, header "Part: LFE5U-45F-8CABGA381" verificato
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```
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Rieseguito in questa fase (non solo citato da build precedenti in `WORKLOG.md`).
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- **Non testato**: programmazione su hardware fisico reale (nessuna scheda disponibile in
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questo ambiente) — dichiarato esplicitamente come limite fin dalle prime fasi del
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progetto, non nascosto.
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## Verdetto
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**CERTIFICATO** per la parte verificabile in questo ambiente (RTL→bitstream, 0 errori ad
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ogni stadio, sul build corrente). **NON CERTIFICABILE in questa campagna**: comportamento
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su silicio reale (nessun hardware fisico disponibile) — limite dichiarato esplicitamente
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per §A.5, non una lacuna nascosta.
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