GHDL = ghdl

VIEWER = gtkwave
WAVEFILE = simulation/waves.vcd

TOP_DESIGN = ha
DESIGN_FILES_DIR = hdl_design
DESIGN_FILES = ha.vhd
DESIGN_FILES_FULL_PATH = $(addprefix $(DESIGN_FILES_DIR)/,$(DESIGN_FILES))

WORK_DIR = simulation
WORK_LIBRARY = work
GHDL_OPTIONS = --work=$(WORK_LIBRARY) --workdir=$(WORK_DIR)

TOP_TESTBENCH = ha_tb
TEST_BENCHES_DIR = testbench
TEST_BENCHES = ha_tb.vhd
TEST_BENCHES_FULL_PATH = $(addprefix $(TEST_BENCHES_DIR)/,$(TEST_BENCHES))

.PHONY: all clean analyze elaborate run view debug

all: analyze elaborate run view

analyze: $(DESIGN_FILES_FULL_PATH) $(TEST_BENCHES_FULL_PATH)
	$(GHDL) -a $(GHDL_OPTIONS) $(DESIGN_FILES_FULL_PATH) $(TEST_BENCHES_FULL_PATH)

elaborate: analyze
	$(GHDL) -e $(GHDL_OPTIONS) $(TOP_TESTBENCH)

run: elaborate
	$(GHDL) -r $(GHDL_OPTIONS) $(TOP_TESTBENCH) --vcd=$(WAVEFILE)

view: run
	$(VIEWER) $(WAVEFILE)

clean:
	$(GHDL) --remove $(GHDL_OPTIONS)

debug:
	echo $(DESIGN_FILES_FULL_PATH)