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Mini-Nav/hw/syn/synth_cam_top_hier.ys
SikongJueluo e4cbb5e30d feat(hw/rtl): implement full Top-K CAM search pipeline with serial result output
- add TOPK_K, FIFO_DEPTH, RESULT_SERIAL parameters to cam_params
- add candidate_fifo: synchronous ready/valid FIFO for (row, score) candidates
- add topk_tracker: tracks top-K candidates with clear/ready handshake
- add result_serializer: serializes packed Top-K array into rank-ordered stream
- refactor match_engine_pipeline from 4-state to 8-state Top-K pipeline
- extend cam_top with serial Top-K interface (result_rank/row/score/last)
- add backward-compatible top1_index/top1_score aliases from rank-0 beat
- add comprehensive tests for all new modules
2026-05-19 22:43:21 +08:00

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# synth_cam_top_hier.ys — Hierarchy-preserving CAM top resource reference flow
# Run from hw/syn: yosys -s synth_cam_top_hier.ys
# Set include directories before reading RTL
verilog_defaults -push
verilog_defaults -add -I../rtl
verilog_defaults -add -I../rtl/core
verilog_defaults -add -I../rtl/noise
verilog_defaults -add -I../rtl/random
# Read RTL sources in canonical order
read_verilog -sv -D SYNTHESIS ../rtl/random/random128.sv
read_verilog -sv -D SYNTHESIS ../rtl/noise/noise_mask_grouped.sv
read_verilog -sv -D SYNTHESIS ../rtl/noise/cam_write_noise.sv
read_verilog -sv -D SYNTHESIS ../rtl/noise/cam_read_noise.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/cam_core_banked.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/popcount_pipeline.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/candidate_fifo.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/topk_tracker.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/result_serializer.sv
read_verilog -sv -D SYNTHESIS ../rtl/core/match_engine_pipeline.sv
read_verilog -sv -D SYNTHESIS ../rtl/cam_noisy.sv
read_verilog -sv -D SYNTHESIS ../rtl/cam_top.sv
# Restore verilog defaults
verilog_defaults -pop
# Hierarchy check and elaboration
hierarchy -top cam_top -check
# Process and optimize
proc
opt
memory -nomap
# Ensure build directory exists for output files
exec -- mkdir -p build
# Resource statistics (JSON to file via tee, not mixed into logs)
tee -q -o build/cam_top_hier_resources.json stat -tech xilinx -json
# Final checks
check -noinit