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## ----------------------------------------------------------------------------
## 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 "$$@" >> $(LOG_FILE) 2>&1
TIME_STAMP := echo "$$@ $$(date --iso=seconds)"
TIME_STAMP_LOG_FILE := echo "$$@ $$(date --iso=seconds)" >> $(LOG_FILE) 2>&1
###################################################################
# Main Targets
#
###################################################################
#==== Default target - running simulation without drawing waveforms ====#
.PHONY : sim
sim : t_$(PROJECT).ghw
#==== WAVEFORM DRAWING ====#
.PHONY : wave
wave : t_$(PROJECT).ghw
@gtkwave t_$(PROJECT).ghw view_signals.gtkw >/dev/null 2>&1 &
#==== SIMULATION ====#
t_$(PROJECT).ghw : .compile.done
$(GHDL_CMD) --synth --out=none $(GHDL_OPTIONS) $(PROJECT)
# If ghdl exits with an error code, remove the .ghw file
$(GHDL_CMD) -r $(GHDL_OPTIONS) t_$(PROJECT) --wave=t_$(PROJECT).ghw \
|| (rm -f t_$(PROJECT).ghw; exit 1)
#==== COMPILATION ====#
compile : .compile.done
.compile.done : $(SOURCE_FILES) .gproject.done
$(GHDL_CMD) -m $(GHDL_OPTIONS) --warn-default-binding t_$(PROJECT)
touch .compile.done
#==== PROJECT CREATION ====#
gproject : .gproject.done
.gproject.done : makefile.sources
# Create a directory work if it does not exist. Otherwise do nothing.
[ -d work ] || mkdir -p work
$(GHDL_CMD) -i $(GHDL_OPTIONS) $(SOURCE_FILES)
touch .gproject.done
#==== Synthesis Check ====#
synthcheck : .compile.done
@echo "---- $@" >> $(LOG_FILE) 2>&1
@$(TIME_STAMP_LOG_FILE)
@echo "Synthesis Check ..." >> $(LOG_FILE) 2>&1
$(GHDL_CMD) --synth --out=none $(GHDL_OPTIONS) $(PROJECT) 2>&1 | tee -a $(LOG_FILE)
@$(TIME_STAMP) > .synth.done
warnings: $(LOG_FILE)
@echo "---- $@" >> $(LOG_FILE) 2>&1
@$(TIME_STAMP_LOG_FILE)
@grep "Warning (" $(LOG_FILE)
.PHONY : clean
clean:
@$(GHDL_CMD) --remove; rm -rf work*.cf work *.vcd *.ghw *.log ghdl_sources.tcl .gproject.done .compile.done .sim.done .synth.done
help:
@echo 'Default target is sim'
@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'
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