Subversion Repositories bitserial

CC=gcc
CFLAGS=-Wall -Wextra -std=c99 -O2
USB?=/dev/ttyUSB0
BAUD?=115200
DIFF?=vimdiff
#BAUD?=9600

.PHONY: all run diff simulation viewer clean documentation

all: bit simulation

run: bit bit.hex
        ./bit bit.hex

talk:
        picocom --omap delbs -e b -b ${BAUD} ${USB}

simulation: tb.ghw

viewer: tb.ghw signals.tcl
        gtkwave -S signals.tcl -f $< > /dev/null 2>&1 &

documentation: readme.htm

%.htm: %.md
        pandoc $< -o $@

bit.hex bit.bin: bit.fth bit
        gforth $<

bit: bit.c
        ${CC} ${CFLAGS} $< -o $@

%.o: %.vhd
        ghdl -a -g $<

uart.o: uart.vhd util.o

peripherals.o: peripherals.vhd uart.o util.o

top.o: top.vhd peripherals.o bit.o util.o uart.o

tb.o: tb.vhd bit.o peripherals.o top.o

tb: tb.o bit.o peripherals.o top.o
        ghdl -e $@

tb.ghw: tb tb.conf bit.hex
        ghdl -r $< --wave=$<.ghw --max-stack-alloc=16384 --ieee-asserts=disable

SOURCES = \
        top.vhd \
        bit.vhd \
        uart.vhd \
        util.vhd \
        peripherals.vhd

OBJECTS = ${SOURCES:.vhd=.o}

bitfile: design.bit

reports:
        @[ -d reports    ]    || mkdir reports
tmp:
        @[ -d tmp        ]    || mkdir tmp
tmp/_xmsgs:
        @[ -d tmp/_xmsgs ]    || mkdir tmp/_xmsgs

tmp/top.prj: tmp
        @rm -f tmp/top.prj
        @( \
            for f in $(SOURCES); do \
                echo "vhdl work \"$$f\""; \
            done; \
            echo "vhdl work \"top.vhd\"" \
        ) > tmp/top.prj

tmp/top.lso: tmp
        @echo "work" > tmp/top.lso

tmp/top.xst: tmp tmp/_xmsgs tmp/top.lso tmp/top.lso
        @( \
            echo "set -tmpdir \"tmp\""; \
            echo "set -xsthdpdir \"tmp\""; \
            echo "run"; \
            echo "-lso tmp/top.lso"; \
            echo "-ifn tmp/top.prj"; \
            echo "-ofn top"; \
            echo "-p xc6slx16-csg324-3"; \
            echo "-top top"; \
            echo "-opt_mode area"; \
            echo "-opt_level 2" \
        ) > tmp/top.xst

synthesis: bit.hex reports tmp tmp/_xmsgs tmp/top.prj tmp/top.xst
        @echo "Synthesis running..."
        @${TIME} xst -intstyle silent -ifn tmp/top.xst -ofn reports/xst.log
        @mv _xmsgs/* tmp/_xmsgs
        @rmdir _xmsgs
        @mv top_xst.xrpt tmp
        @grep "ERROR\|WARNING" reports/xst.log | \
         grep -v "WARNING.*has a constant value.*This FF/Latch will be trimmed during the optimization process." | \
         cat
        @grep ns reports/xst.log | grep 'Clock period'

implementation: reports tmp
        @echo "Implementation running..."

        @[ -d tmp/xlnx_auto_0_xdb ] || mkdir tmp/xlnx_auto_0_xdb

        @${TIME} ngdbuild -intstyle silent -quiet -dd tmp -uc top.ucf -p xc6slx16-csg324-3 top.ngc top.ngd
        @mv top.bld reports/ngdbuild.log
        @mv _xmsgs/* tmp/_xmsgs
        @rmdir _xmsgs
        @mv xlnx_auto_0_xdb/* tmp
        @rmdir xlnx_auto_0_xdb
        @mv top_ngdbuild.xrpt tmp

        @${TIME} map -intstyle silent -detail -p xc6slx16-csg324-3 -convert_bram8 -pr b -c 100 -w -o top_map.ncd top.ngd top.pcf
        @mv top_map.mrp reports/map.log
        @mv _xmsgs/* tmp/_xmsgs
        @rmdir _xmsgs
        @mv top_usage.xml top_summary.xml top_map.map top_map.xrpt tmp

        @${TIME} par -intstyle silent -w -ol std top_map.ncd top.ncd top.pcf
        @mv top.par reports/par.log
        @mv top_pad.txt reports/par_pad.txt
        @mv _xmsgs/* tmp/_xmsgs
        @rmdir _xmsgs
        @mv par_usage_statistics.html top.ptwx top.pad top_pad.csv top.unroutes top.xpi top_par.xrpt tmp

design.bit: reports tmp/_xmsgs
        @echo "Generate bitfile running..."
        @touch webtalk.log
        @${TIME} bitgen -intstyle silent -w top.ncd
        @mv top.bit design.bit
        @mv top.bgn reports/bitgen.log
        @mv _xmsgs/* tmp/_xmsgs
        @rmdir _xmsgs
        @sleep 5
        @mv top.drc top_bitgen.xwbt top_usage.xml top_summary.xml webtalk.log tmp
        @grep -i '\(warning\|clock period\)' reports/xst.log

upload:
        djtgcfg prog -d Nexys3 -i 0 -f design.bit

design: clean simulation synthesis implementation bitfile

postsyn:
        @netgen -w -ofmt vhdl -sim ${NETLIST}.ngc post_synthesis.vhd
        @netgen -w -ofmt vhdl -sim ${NETLIST}.ngd post_translate.vhd
        @netgen  -pcf ${NETLIST}.pcf -w -ofmt vhdl -sim ${NETLIST}.ncd post_map.vhd

clean:
        git clean -fdx .