Initial commit

u3/scripts/ghdl.mk

@@ -0,0 +1,65 @@
+#
+#
+#
+#
+
+# Make sure that the top level is assigned to main
+$(if $(main),,\
+$(error Assign top level entity name to variable "main"))
+
+# Make sure that at least on vhdl source is assigned
+$(if $(vhdl_srcs),,\
+$(error Assign at least on vhdl source to variable "vhdl_srcs"))
+
+# Append prefix -d to all generics
+generics  = $(addprefix -g,$(generics))
+
+# Add VHDL 2008 as default build standard
+vhdl_flags += --std=08
+vhdl_flags += -frelaxed-rules
+#vhdl_flags += --ieee-asserts=disable-at-0
+
+vhdl_objs = $(vhdl_srcs:.vhd=.o)
+
+assert_level := error
+
+.PHONY: sim clean
+
+sim: ${main}
+	@scripts/execute_and_highlight.sh \
+		ghdl \
+		-r ${vhdl_flags} ${main} \
+		--ieee-asserts=disable-at-0 \
+		-gCHECK_RESULTS=${CHECK_RESULTS} \
+		--read-wave-opt=test/${main}.wave \
+		--assert-level=${assert_level}
+
+gui: test/${main}.ghw
+	@echo "Viewing $<"
+	@gtkwave $< --script=test/gtkwave.view
+
+test/${main}.ghw: ${main} test/${main}.wave
+	@ghdl -r ${vhdl_flags} ${main} \
+		--read-wave-opt=test/${main}.wave \
+		--wave=$@
+
+${main}: $(vhdl_objs)
+	@echo "Elaborating ${main}"
+	@ghdl -e ${vhdl_flags} ${main}
+
+%.o: %.vhd
+	@echo "Analysing $<"
+	@ghdl -a ${vhdl_flags} $<
+
+clean:
+	@ghdl --clean
+	@rm -rf ${main}.ghw work-obj08.cf ${vhdl_objs} ${main} ${artifacts}
+
+help:
+	@echo Use ghdl to simulate and synthesis a vhdl design.
+	@echo
+	@echo Build configuration variables:
+	@echo 	main        main entity
+	@echo 	vhdl_flags
+	@echo 	generics
+