[Frontend] Lower togsim.transfer directly to Gemmini (drop memref.dma_start)#286

Merged

YWHyuk merged 11 commits into

feature/indirect-offset-descriptorfrom

feature/transfer-direct-lowering

Jul 7, 2026

Commits on Jul 6, 2026

[Frontend] Drop memref.dma_start: lower togsim.transfer directly to Gemmini

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[Frontend] Port the trace path (build_tog) to togsim.transfer/togsim.wait

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[Frontend] Detect the indirect offset operand by the `indirect` attr, not operand count

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[Frontend] Fix stale build_skeleton docstrings (memref.dma_wait -> togsim.wait)

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[Frontend] Lower togsim.transfer to a DMA descriptor + CONFIG_DESC (no CONFIG/2/3/4)

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[Build] Bump spike to v1.0.4 (DMA descriptor / CONFIG_DESC)

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