Prepare Makefiles for regression flow with CocoTB tests

tests/.gitignore

@@ -1,2 +1 @@
-*.fst
-sim_build
+build_dirs

tests/Makefile

@@ -0,0 +1,45 @@
+ALL_COCOTB_TESTS = $(shell ls cocotb_tests/test_*.py | sed -E 's|.*?/test_(.*?).py|\1|g')
+
+default: $(ALL_COCOTB_TESTS)
+
+# This target will always rebuild, which is fine since we want to be sure to execute any
+# test if we kick it off.
+%: build_dirs/%/compile.f
+	rm -rf cocotb_tests/dump.fst
+	rm -rf cocotb_tests/results.xml
+	rm -rf cocotb_tests/simulation.log
+
+	mkdir -p $(PWD)/build_dirs/$@/cocotb_build
+	$(MAKE) -C cocotb_tests \
+		TOPLEVEL=$@\
+		MODULE=test_$@\
+		VERILOG_SOURCES="$(shell cat $^)"\
+		SIM_BUILD=$(PWD)/build_dirs/$@/cocotb_build\
+			| tee $(PWD)/build_dirs/$@/simulation.log
+
+	# Move some files
+	mv cocotb_tests/dump.fst $(PWD)/build_dirs/$@/
+	mv cocotb_tests/results.xml $(PWD)/build_dirs/$@/
+
+	@echo ""
+	@echo "##############################################################################"
+	@echo "# SIMULATION DONE ############################################################"
+	@echo "##############################################################################"
+	@echo "# Simulation dump: $(PWD)/build_dirs/$@/dump.fst"
+	@echo "# Simulation log : $(PWD)/build_dirs/$@/simulation.log"
+	@echo "# Results XML    : $(PWD)/build_dirs/$@/results.xml"
+	@echo "##############################################################################"
+	@echo "##############################################################################"
+	
+build_dirs/%/*.sv: systemrdl/%.rdl
+	../srdl2sv/main.py $? --out_dir $(shell dirname $@) --file_log_level DEBUG --stream_log_level DEBUG
+
+build_dirs/%/compile.f: build_dirs/%/*.sv 
+	ls $(PWD)/$(@D)/*_pkg.sv > $@
+	ls $(PWD)/$(@D)/*amba*.sv >> $@
+	ls $(PWD)/$(@D)/*.sv | grep -v '.*_pkg.sv$$' | grep -v '.*amba.*' >> $@
+
+.PHONY: clean
+
+clean:
+	rm -rf build_dirs

tests/cocotb_tests/Makefile

@@ -0,0 +1,5 @@
+# Simulator specific variables
+SIM = verilator
+EXTRA_ARGS += --trace-fst --trace-structs
+
+include $(shell cocotb-config --makefiles)/Makefile.sim