#ifeq ($(XILINX),)#    $(error "source ~/xilinx/settings.sh" to set env vars)#endifvpath %.o work_simhelp :	@echo "This Makefile is NOT part of the EMC2 build system."	@echo "It uses the zero-cost (non-free) Xilinx Webpack tools"	@echo "to convert VHDL source into bitfiles for the FPGA."	@echo "The completed bitfiles are distributed with EMC2, and"	@echo "do not need to be recreated except to fix bugs or to"	@echo "make a custom FPGA configuration."	@echo "It also uses the Free Software programs GHDL and GtkWave"	@echo "to allow simulation of the FPGA logic."%.o : %.vhd	@echo "analysis: making $@"	@if [ ! -d ./work_sim ] ; then mkdir work_sim; fi	@rm -f $@	@ghdl -a --ieee=synopsys -fexplicit --workdir=./work_sim $<%.bin : %.vhd %.o	@echo "elaboration: making $@"	@if [ ! -d ./work_sim ] ; then mkdir work_sim; fi	@rm -f $@	@ghdl -e --ieee=synopsys -fexplicit --workdir=./work_sim -o $@\	    `grep -m 1 "entity .* is" $< | \	     sed -e 's/^.*entity  *//' -e 's/  *is.*$$//'`%.ghw : %.bin	@echo "simulating: running $<"	@if [ ! -d ./work_sim ] ; then mkdir work_sim; fi	@rm -f $@	./$< --wave=$@%.wave : %.ghw	@gtkwave $< $*.sav &>/dev/null%.prj :	@echo "making $@"	@rm -f $@	@for i in $(SOURCES); do echo $$i; done > $@%.scr : %.vhd	@echo "making $@"	@if [ ! -d ./tmp_syn ] ; then mkdir tmp_syn; fi	@echo "set -tmpdir ./tmp_syn" >$@	@if [ ! -d ./work_syn ] ; then mkdir work_syn; fi	@echo "set -xsthdpdir ./work_syn" >>$@	@echo "run" >>$@	@echo "-ifmt VHDL -ifn $*.prj" >>$@	@echo "-top `grep -m 1 "entity .* is" $< | sed -e 's/^.*entity  *//' -e 's/  *is.*$$//'`" >>$@	@echo "-ofmt NGC -ofn $*.ngc" >>$@	@echo "-p $(DEVICE)" >>$@%.ngc %.log.syn : %.prj %.scr	@echo "Synthesis: making $@"	@xst -ifn $*.scr -ofn $*.log.syn# The .usage target is dependent on the output format of the Xilinx tools.# If they change the text of their report, it will be necessary to change the# search text, and possibly to use different strings for various versions.%.usage : %.log.syn	@echo "Usage report:"	@cat $< | awk '/Selected Device/,/TIMING REPORT/' | head -n-3 >$@	@cat $@%.ngd %.log.ngd : %.ngc	@echo "NGDbuild: making $@ from $< with constraints from $(CONSTRAINTS)"	@ngdbuild -uc $(CONSTRAINTS) $< $@	@mv $*.bld $*.log.ngd# The extensions .nad and .nbd are actually .ncd files - the toolchain# uses .ncd for unplaced, placed-but-not-routed, and placed-and-routed files# The makefile uses distinct extensions to keep the dependencies straight,# and to preserve the intermediate files.%.nad : %.ngd	@echo "Mapping: making $@ (unplaced) from $^"	@map $<	@mv $*.ncd $*.nad	@mv $*.mrp $*.log.map%.nbd : %.nad	@echo "Placing: making $@ (unrouted) from $^"	@cp $*.nad raw.ncd	@par -nopad -r raw.ncd -w placed.ncd $*.pcf	@rm raw.ncd	@mv placed.ncd $*.nbd	@rm placed.unroutes	@rm placed.par	@rm placed.xpi%.ncd : %.nbd	@rm -f $@	@cp $*.nbd placed.ncd	@echo "Routing: making $@ (finished) from $^"	@par -p placed.ncd -w $*.ncd $*.pcf	@rm placed.ncd%.bit : %.ncd	@echo "Bitgen: making $@ from $^"	@bitgen -w $*.ncd $*.bit $*.pcf%.mcs: %.bit	echo "setmode -promfile" > $@.impact	echo "setsubmode -pffserial" >> $@.impact	echo "addPromDevice -p 1 -name xcf02s" >> $@.impact	echo "addDesign -version 0 -name 0" >> $@.impact	echo "addDeviceChain -index 0" >> $@.impact	echo "addDevice -position 1 -file $<" >> $@.impact	echo "generate -format mcs -fillvalue FF -output $@" >> $@.impact	echo quit >> $@.impact	impact -batch $@.impact	rm -f $@.impact%.svf: %.bit	echo "setmode -bs" > $@.impact	echo "setCable -port svf -file $@" >> $@.impact	echo "addDevice -position 1 -file $<" >> $@.impact	echo quit >> $@.impact	impact -batch $@.impact	rm -f $*.impact# a .fpga file is a bitfile with config ram info added.PRECIOUS : %.vhd %.rspec %.prj %.scr %.ngc %.ngd %.nad %.nbd %.ncd %.bit %.o %.bin %.ghw %.log.syn %.log.ngd %.log.map.PHONY : clean clean_all# because placed and routed .fpga files might represent many hours# of work, 'make clean' doesn't remove them or their precursers,# it only removes incidental files that are generated along the way# if you truly want to remove everything, use 'make clean_all'# if you want to redo only a single FPGA file, touch the# corresponding .spec fileclean :	@rm -f *.scr *.o *.bin	@rm -f *.pad *_pad.csv *_pad.txt *.par *.unroutes	@rm -f *.ghw *.log.syn *.log.ngd *.log.map *.bgn *.drc *.ngm *.usage	@rm -f *_usage.xml *~clean_all :	@rm -f *.prj *.scr *.ngc *.ngd *.nad *.nbd *.ncd *.o *.bin *.bit	@rm -f *.pad *_pad.csv *_pad.txt *.par *.unroutes *.xpi *.rspec *.fpga	@rm -f *.ghw *.log.syn *.log.ngd *.log.map *.bgn *.drc *.ngm *.usage	@rm -f *.pcf *.t *_usage.xml *~