PROJ=alu3
VERION:=r0.2
RM = rm -rf
COPY = cp -a
PATH_SEP = /


crab: ${PROJ}.dfu

dfu: ${PROJ}.dfu
	dfu-util -D $<


%.json: %.v
	yosys -p "read_verilog $<; synth_ecp5 -top ${PROJ} -json $@"

%_out.config: %.json
	nextpnr-ecp5 --json $< --textcfg $@ --25k --package CSFBGA285 --lpf crab.pcf

%.bit: %_out.config
	ecppack --compress --freq 38.8 --input $< --bit $@

%.dfu : %.bit
	$(COPY) $< $@
	dfu-suffix -v 1209 -p 5af0 -a $@

sim:
	verilator -Wall --cc --exe --build tbalu.cpp alu.v --trace && ./obj_dir/Valu > out
simclean:
	rm -rf obj_dir/* out

clean:
	$(RM) -f ${PROJ}.bit ${PROJ}_out.config ${PROJ}.json ${PROJ}.dfu

.PHONY: prog clean