####################
#     Program      #
####################
VERILATOR = verilator
VERILATOR_COVERAGE = verilator_coverage


####################
#       Flags      #
####################
VERILATOR_BUILD_FLAGS += -cc --exe --timing
VERILATOR_BUILD_FLAGS += -MMD
VERILATOR_BUILD_FLAGS += -O3 --x-assign unique --x-initial unique
VERILATOR_BUILD_FLAGS += -Wall -Wpedantic
VERILATOR_BUILD_FLAGS += --trace --trace-fst --trace-params --trace-structs --trace-underscore
VERILATOR_BUILD_FLAGS += --assert
VERILATOR_BUILD_FLAGS += --coverage
#VERILATOR_BUILD_FLAGS += --report-unoptflat

VERILATOR_COV_FLAGS += --annotate logs/annotated
VERILATOR_COV_FLAGS += --annotate-min 1
VERILATOR_COV_FLAGS += --write-info logs/coverage.info
VERILATOR_COV_FLAGS += logs/coverage.dat

VERILATOR_FLAGS += -sv -DSIMULATION_VERILATOR -DSIMULATION_PC

####################
#      Sources     #
####################
SOURCE          = ./config.vlt $(wildcard ./model/*.v ./model/*.sv ../src/*.v ../src/*.sv ../src/**/*.v ../src/**/*.sv)
INCLUDE         = $(addprefix -I, $(dir $(wildcard ../src/*/. ../src/**/*/.)))
VERILATOR_INPUT = -top testbench_top sim_main.cpp

TB_FUNC_SOURCE = $(wildcard ../resources/tb.sv ../resources/func_test/*.v ../resources/func_test/**/*.v)

####################
#      Targets     #
####################
.phony: lint verilate func_soft tlb_soft build coverage run clean

default: build

lint:
	$(VERILATOR) --lint-only $(VERILATOR_FLAGS) $(INCLUDE) $(SOURCE) -top mycpu_top

verilate:
	$(VERILATOR) $(VERILATOR_FLAGS) $(VERILATOR_BUILD_FLAGS) $(INCLUDE) $(SOURCE) $(TB_FUNC_SOURCE) $(VERILATOR_INPUT)

func_soft:
	cd ../resources/soft/func && make clean && make && cp obj/inst_ram.mif ../../../sim && cp obj/data_ram.mif ../../../sim && cd ../../../sim

perf_soft:
	cd ../resources/soft/perf_func && make clean && make && cp obj/allbench/axi_ram.mif ../../../sim && cd ../../../sim && mv axi_ram.mif inst_ram.mif

tlb_soft:
	cd ../resources/soft/tlb_func && make clean && make && cp obj/inst_ram.mif ../../../sim && cp obj/data_ram.mif ../../../sim && cd ../../../sim

build: verilate
	make -C obj_dir -f Vtestbench_top.mk -j `nproc`

coverage:
	@rm -rf logs/annotated
	$(VERILATOR_COVERAGE) $(VERILATOR_COV_FLAGS)

run: build
	@rm -rf logs
	obj_dir/Vtestbench_top
	# gtkwave logs/trace.fst

clean:
	-rm -rf obj_dir logs