blinky on icefun

blinky/Makefile

@@ -0,0 +1,45 @@
+SIM_TARGET = build/blinky
+BIN_TARGET = build/blinky.bin
+PCF = iceFUN.pcf
+YOSYS = yosys
+PNR = nextpnr-ice40
+IPACK = icepack
+BURN = iceFUNprog
+
+VERILATOR=verilator
+VERILATOR_ROOT ?= $(shell bash -c 'verilator -V|grep VERILATOR_ROOT | head -1 | sed -e "s/^.*=\s*//"')
+VINC := $(VERILATOR_ROOT)/include
+
+.PHONY: all burn
+all: $(SIM_TARGET)  $(BIN_TARGET)
+
+# -GWIDTH=5 allows passing parameter to verilog module
+obj_dir/Vblinky.cpp: blinky.v
+	@echo "Running verilator"
+	@$(VERILATOR) --trace -Wall -GWIDTH=20 -cc blinky.v
+
+obj_dir/Vblinky__ALL.a: obj_dir/Vblinky.cpp
+	@make --no-print-directory -C obj_dir -f Vblinky.mk
+
+# std=c++11 flag is needed from verilator v4.100
+$(SIM_TARGET): blinky.cpp obj_dir/Vblinky__ALL.a
+	@echo "Compiling simulation executable"
+	@mkdir -p build
+	@g++ -I$(VINC) -I obj_dir -std=c++11 $(VINC)/verilated.cpp $(VINC)/verilated_vcd_c.cpp \
+		$^ -o $@
+	@echo "Run simulation with ./$(TARGET)"
+
+$(BIN_TARGET): blinky.v $(PCF)
+	@echo "Building binary stream"
+	@$(YOSYS) -p "synth_ice40 -top blinky -json build/blinky.json" -q $<
+	@$(PNR) -r --hx8k --json build/blinky.json --package cb132 \
+		--asc build/blinky.asc --opt-timing --pcf $(PCF) -q
+	@$(IPACK) build/blinky.asc build/blinky.bin
+
+burn: $(BIN_TARGET)
+	@$(BURN) $<
+
+.PHONY: clean
+clean:
+	rm -rf obj_dir/ build/
+