SIM ?= verilator
TOPLEVEL_LANG ?= verilog
TOPLEVEL ?= cam_top

COCOTB_TEST_MODULES ?= tests.test_cam_basic

NUM_ROWS ?= 4096
HASH_BITS ?= 512
LANES ?= 8

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 parameters — only passed when explicitly set (non-empty).
# For cam_noisy/cam_top tests, pass WRITE_NOISE_*=... READ_NOISE_*=...
# For individual module tests, leave them unset to skip.
WRITE_NOISE_EN          ?= $(NOISE_EN)
WRITE_NOISE_RATE_NUM    ?= $(NOISE_RATE_NUM)
WRITE_NOISE_RATE_DEN    ?= $(NOISE_RATE_DEN)
WRITE_NOISE_BITS        ?= $(NOISE_BITS)
READ_NOISE_EN           ?=
READ_NOISE_RATE_NUM     ?=
READ_NOISE_RATE_DEN     ?=
READ_NOISE_BITS         ?=

ifneq ($(strip $(WRITE_NOISE_EN)),)
COMPILE_ARGS += -GWRITE_NOISE_EN=$(WRITE_NOISE_EN)
endif
ifneq ($(strip $(WRITE_NOISE_RATE_NUM)),)
COMPILE_ARGS += -GWRITE_NOISE_RATE_NUM=$(WRITE_NOISE_RATE_NUM)
endif
ifneq ($(strip $(WRITE_NOISE_RATE_DEN)),)
COMPILE_ARGS += -GWRITE_NOISE_RATE_DEN=$(WRITE_NOISE_RATE_DEN)
endif
ifneq ($(strip $(WRITE_NOISE_BITS)),)
COMPILE_ARGS += -GWRITE_NOISE_BITS=$(WRITE_NOISE_BITS)
endif
ifneq ($(strip $(READ_NOISE_EN)),)
COMPILE_ARGS += -GREAD_NOISE_EN=$(READ_NOISE_EN)
endif
ifneq ($(strip $(READ_NOISE_RATE_NUM)),)
COMPILE_ARGS += -GREAD_NOISE_RATE_NUM=$(READ_NOISE_RATE_NUM)
endif
ifneq ($(strip $(READ_NOISE_RATE_DEN)),)
COMPILE_ARGS += -GREAD_NOISE_RATE_DEN=$(READ_NOISE_RATE_DEN)
endif
ifneq ($(strip $(READ_NOISE_BITS)),)
COMPILE_ARGS += -GREAD_NOISE_BITS=$(READ_NOISE_BITS)
endif

# 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/random/random128.sv
VERILOG_SOURCES += $(PWD)/../rtl/noise_mask_grouped.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_core_banked.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_write_noise.sv
VERILOG_SOURCES += $(PWD)/../rtl/cam_read_noise.sv
VERILOG_SOURCES += $(PWD)/../rtl/popcount_pipeline.sv
VERILOG_SOURCES += $(PWD)/../rtl/match_engine_pipeline.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