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OBJS = start.o dhry_1.o dhry_2.o stdlib.o
CFLAGS = -MD -O3 -m32 -march=RV32IM -ffreestanding -nostdlib -DTIME -DRISCV
TOOLCHAIN_PREFIX = riscv32-unknown-elf-
test: testbench.exe dhry.hex
vvp -N testbench.exe
timing: timing.txt
grep '^##' timing.txt | gawk 'x != "" {print x,$$3-y;} {x=$$2;y=$$3;}' | sort | uniq -c | \
gawk '{printf("%03d-%-7s %2d %-8s (%d)\n",$$3,$$2,$$3,$$2,$$1);}' | sort | cut -c13-
timing.txt: timing.exe dhry.hex
vvp -N timing.exe > timing.txt
testbench.exe: testbench.v ../picorv32.v
iverilog -o testbench.exe testbench.v ../picorv32.v
chmod -x testbench.exe
timing.exe: testbench.v ../picorv32.v
iverilog -o timing.exe -DTIMING testbench.v ../picorv32.v
chmod -x timing.exe
dhry.hex: dhry.bin ../firmware/makehex.py
python3 ../firmware/makehex.py $< 16384 > $@
dhry.bin: dhry.elf
$(TOOLCHAIN_PREFIX)objcopy -O binary $< $@
chmod -x $@
dhry.elf: $(OBJS) ../firmware/sections.lds
$(TOOLCHAIN_PREFIX)gcc $(CFLAGS) -Wl,-Bstatic,-T,../firmware/sections.lds,-Map,dhry.map,--strip-debug -o $@ $(OBJS) -lgcc
chmod -x $@
%.o: %.c
$(TOOLCHAIN_PREFIX)gcc -c $(CFLAGS) $<
%.o: %.S
$(TOOLCHAIN_PREFIX)gcc -c $(CFLAGS) $<
dhry_1.o dhry_2.o: CFLAGS += -Wno-implicit-int -Wno-implicit-function-declaration
clean:
rm -rf *.o *.d dhry.elf dhry.map dhry.bin dhry.hex testbench.exe testbench.vcd timing.exe timing.txt
.PHONY: test clean
-include *.d
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