| .SUFFIXES: |
| |
| PATTERN = softshell_top |
| |
| FIRMWARE_PATH = . |
| |
| GCC_PATH ?= /opt/riscv32ic/bin |
| GCC_PREFIX ?= riscv32-unknown-elf |
| |
| SIM_FLAGS ?= -DSIM -DFUNCTIONAL -DUSE_POWER_PINS |
| ifdef GL |
| SIM_FLAGS += -DGL |
| endif |
| |
| all: ${PATTERN:=.fst} |
| |
| %.vvp: %_tb.v firmware.hex |
| iverilog -I $(PDK_ROOT)/sky130A -I ../rtl -I .. \ |
| $(SIM_FLAGS) \ |
| $< -o $@ |
| |
| %.fst: %.vvp |
| vvp $< -fst |
| |
| %.elf: %.c $(FIRMWARE_PATH)/sections_cpu0.lds $(FIRMWARE_PATH)/start.s |
| ${GCC_PATH}/${GCC_PREFIX}-gcc -march=rv32ic -mabi=ilp32 \ |
| -Wl,-Bstatic,-T,$(FIRMWARE_PATH)/sections_cpu0.lds,--strip-debug \ |
| -ffreestanding -nostdlib -o $@ $(FIRMWARE_PATH)/start.s $< |
| |
| %.hex: %.elf |
| ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ |
| sed -i 's/@304/@000/g' $@ |
| |
| firmware.hex: $(PATTERN).hex |
| ln -s $< firmware.hex |
| |
| clean: |
| rm -f *.vvp *.vcd *.fst *.log *.hex *.bin *.elf |
| |
| .PHONY: clean all |
