Add batcher cocotb regression coverage#1426
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Add thin AXI Stream / AXI-Lite wrappers so cocotb can drive and observe the existing batcher RTL through flattened interfaces: - AxiStreamBatcherWrapper - AxiStreamBatcherAxilWrapper (common + independent AXI-Lite clock modes) - AxiStreamBatcherEventBuilderWrapper (adds TDEST route mode)
Directed cocotb tests for the AXI Stream batcher family: - batch formatting, frame boundaries, sequence/count, payload preservation - ready/valid and output frame checking on the core batcher path - AXI-Lite register access and control/status behavior - event-builder routing/formatting through the wrapper topology - common-clock and asynchronous-clock configurations
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Description
Adds focused cocotb regression coverage for the AXI Stream batcher family, including the batcher data path, AXI-Lite control/status interface, event-builder path, and common/async clock configurations.
Details
This batcher-focused slice adds thin VHDL wrappers under
protocols/batcher/wrappers/so cocotb can drive and observe the existing RTL through flattened AXI Stream and AXI-Lite interfaces. The wrappers cover:AxiStreamBatcherAxiStreamBatcherAxilAxiStreamBatcherEventBuilderThe new Python regression support under
tests/protocols/batcher/adds shared batcher helpers and directed tests for:The branch also adds batcher regression planning and handoff notes under
docs/plans/batcher-regression/and updates the shared RTL regression notes with the batcher progress.This PR is stacked after #1425 and should be merged after
packetizer-testsand beforerssi-tests.Related
Depends on #1425. Follow-up stack: #1427.