Files
Mini-Nav/hw/sim/Makefile
SikongJueluo 2da17e101b feat(rtl): migrate CAM interface to handshake protocol with integrated noise generation
BREAKING CHANGE: CAM write and query interface replaced with standard valid/ready
handshake. wr_en/wr_row/wr_hash → wr_valid/wr_ready/wr_addr/write_hash.
External noise_mask_lanes_flat removed; noise generation now handled internally
by cam_noisy module with configurable rate via parameters.

- cam_top: add parameters (NOISE_EN, NOISE_RATE_NUM/DEN, NOISE_GEN/SAMPLE_BITS, NOISE_SEED)
- cam_top: replace cam_core with cam_noisy (integrated noise generation)
- match_engine: remove external noise_mask_lanes_flat input
- hw/sim: update Makefile with noise parameters and compile args
- hw/sim/model: add generate_write_flip_mask() and xorshift64() matching RTL behavior
- hw/sim/tests: adapt testbench to new handshake protocol
2026-05-04 18:03:06 +08:00

56 lines
1.7 KiB
Makefile

SIM ?= verilator
TOPLEVEL_LANG ?= verilog
TOPLEVEL := cam_top
# MODULE ?= tests.test_cam_basic
COCOTB_TEST_MODULES ?= tests.test_cam_basic
NUM_ROWS ?= 512
HASH_BITS ?= 512
LANES ?= 16
# Noise parameters
NOISE_EN ?= 1
NOISE_RATE_NUM ?= 1
NOISE_RATE_DEN ?= 100
NOISE_GEN_BITS ?= 8
NOISE_SAMPLE_BITS ?= 8
# NOISE_SEED cannot be overridden via Makefile due to Verilator -G quoting issues
# with 64'h hex literals. To change the seed, edit the default in cam_noisy.sv.
EXTRA_ARGS += +define+NUM_ROWS=$(NUM_ROWS) +define+HASH_BITS=$(HASH_BITS) +define+LANES=$(LANES)
COMPILE_ARGS += -Wall -Wno-fatal
COMPILE_ARGS += -I$(PWD)/../rtl
COMPILE_ARGS += +define+SIM_DEBUG
COMPILE_ARGS += $(EXTRA_DEFINES)
# Noise parameter overrides via Verilator -G
COMPILE_ARGS += -GNOISE_EN=$(NOISE_EN)
COMPILE_ARGS += -GNOISE_RATE_NUM=$(NOISE_RATE_NUM)
COMPILE_ARGS += -GNOISE_RATE_DEN=$(NOISE_RATE_DEN)
COMPILE_ARGS += -GNOISE_GEN_BITS=$(NOISE_GEN_BITS)
COMPILE_ARGS += -GNOISE_SAMPLE_BITS=$(NOISE_SAMPLE_BITS)
# Cleaner terminal output
export QUIET ?= 1
export VERBOSE ?= 0
export COCOTB_LOG_LEVEL ?= INFO
export PYTHONWARNINGS ?= ignore::pytest.PytestDeprecationWarning
# Optional temporary suppression
SUPPRESS_VERILATOR_WARNINGS ?= 0
ifeq ($(SUPPRESS_VERILATOR_WARNINGS),1)
COMPILE_ARGS += -Wno-WIDTHEXPAND
COMPILE_ARGS += -Wno-UNOPTFLAT
endif
VERILOG_SOURCES += $(PWD)/../rtl/popcount.sv
VERILOG_SOURCES += $(PWD)/../rtl/argmax_update.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_core.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_noisy.sv
VERILOG_SOURCES += $(PWD)/../rtl/match_engine.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_top.sv
include $(shell uv run cocotb-config --makefiles)/Makefile.sim