1 files changed, 108 insertions, 0 deletions
diff --git a/sim/makefile.ghdl b/sim/makefile.ghdl
new file mode 100644
index 0000000..e7857b1
--- /dev/null
+++ b/sim/makefile.ghdl
@@ -0,0 +1,108 @@
+## ----------------------------------------------------------------------------
+## Script     : makefile
+## ----------------------------------------------------------------------------
+## Author(s)  : Johann Faerber, Friedrich Beckmann
+## Company    : University of Applied Sciences Augsburg
+## ----------------------------------------------------------------------------
+## Description: This makefile allows automating design flow with ModelSim,
+##              it is based on a design directory structure shown at 
+##              the end of this file.
+## ----------------------------------------------------------------------------
+
+GHDL_CMD = ghdl
+GHDL_OPTIONS  = --std=08 --workdir=work
+LOG_FILE = ghdl.log
+
+ECHO_TARGET := echo "$$@"  >> $(LOG_FILE) 2>&1
+TIME_STAMP := echo "$$@ $$(date --iso=seconds)" >> $(LOG_FILE) 2>&1
+
+###################################################################
+# Main Targets
+#
+###################################################################
+
+help:
+	@echo '"make" does intentionally nothing. Type:'
+	@echo '  "make gproject" to create a new ghdl project only'
+	@echo '  "make compile" to compile all VHDL sources in batch mode'
+	@echo '  "make sim" to run ghdl with the top testbench of the project'
+	@echo '  "make wave" to display the simulation results in the time domain'
+	@echo '  "make clean" to remove all generated files'
+
+gproject : gproject_created
+
+gproject_created : $(SOURCE_FILES) makefile.sources
+	@echo "---- $@"  >> $(LOG_FILE) 2>&1
+	@$(TIME_STAMP)
+	@rm -rf ./ghdl_sources.tcl
+	@# Create a directory work if it does not exist. Otherwise do nothing.
+	@[ -d work ] || mkdir -p work
+	@$(GHDL_CMD) -i $(GHDL_OPTIONS) $(SOURCE_FILES) >> $(LOG_FILE) 2>&1
+	@touch gproject_created
+
+compile: ./work/work-obj08.cf
+
+
+./work/work-obj08.cf: gproject_created
+	@echo "---- $@"  >> $(LOG_FILE) 2>&1
+	@$(TIME_STAMP)
+	@$(GHDL_CMD) -m $(GHDL_OPTIONS) t_$(PROJECT) >> $(LOG_FILE) 2>&1
+
+
+sim: ./work/work-obj08.cf
+	@echo "---- $@"  >> $(LOG_FILE) 2>&1
+	@$(TIME_STAMP)
+	@$(GHDL_CMD) -r $(GHDL_OPTIONS)  t_$(PROJECT) --wave=t_${PROJECT}.ghw >> $(LOG_FILE) 2>&1
+
+t_${PROJECT}.ghw: ./work/work-obj08.cf
+	@echo "---- $@"  >> $(LOG_FILE) 2>&1
+	@$(TIME_STAMP)
+	@$(GHDL_CMD) -r $(GHDL_OPTIONS)  t_$(PROJECT) --wave=t_${PROJECT}.ghw >> $(LOG_FILE) 2>&1
+
+wave: t_${PROJECT}.ghw
+	@echo "---- $@"  >> $(LOG_FILE) 2>&1
+	@$(TIME_STAMP)
+	@gtkwave t_${PROJECT}.ghw view_signals.gtkw  >> $(LOG_FILE) 2>&1 &
+
+check-errors:
+	less ghdl.log
+
+clean:
+	@$(GHDL_CMD) --remove; rm -rf work*.cf work *.vcd *.ghw *.log ghdl_sources.tcl gproject_created
+
+## ----------------------------------------------------------------------------
+## Description: 
+## ------------
+## assumes the following design directory structure as prerequisite
+## 
+## DigitaltechnikPraktikum
+## |   
+## +---src
+## |       and2gate_equation.vhd
+## |       invgate_equation.vhd
+## |       mux2to1_structure.vhd
+## |       or2gate_equation.vhd
+## |       t_mux2to1.vhd
+## |       de1_mux2to1_structure.vhd
+## |
+## +---sim
+## |   |   makefile
+## |   |
+## |   \---mux2to1
+## |           makefile
+## |           makefile.sources
+## |
+## +---pnr
+## |   |   makefile
+## |   |
+## |   \---de1_mux2to1
+## |           de1_mux2to1_pins.tcl
+## |           makefile
+## |
+## \---scripts
+##         de1_pin_assignments_minimumio.csv
+##         de1_pin_assignments_minimumio.tcl
+##         modelsim.ini
+##         quartus_project_settings.tcl
+## ----------------------------------------------------------------------------
+