abstractaccelerator/uriscv/demo/Makefile

export RV_ROOT = ${PWD}/..
GCC_PREFIX = /opt/riscv/bin/riscv32-unknown-elf
GDB_PREFIX = /opt/riscv/bin/riscv32-unknown-elf-gdb

ABI = -mabi=ilp32 -march=rv32imc

DEMODIR = ${PWD}
BUILD_DIR = ${DEMODIR}/build

RV_SOC = ${RV_ROOT}/soc

TEST = demo

ifdef debug
 DEBUG_PLUS = +dumpon
 VERILATOR_DEBUG = --trace
endif

LINK = $(DEMODIR)/link.ld
LINKPRO = $(DEMODIR)/link.ld

# CFLAGS for verilator generated Makefiles. Without -std=c++11 it complains for `auto` variables
CFLAGS += "-std=c++11"
# Optimization for better performance; alternative is nothing for slower runtime (faster compiles)
# -O2 for faster runtime (slower compiles), or -O for balance.
VERILATOR_MAKE_FLAGS = OPT_FAST="-Os"

# Targets
all: clean verilator

clean:
	rm -rf build obj_dir
	mkdir -p build

##################### Verilog Builds #####################################
top.v:
	./ivlpp -F include.f -f soc.mk -o top.v

verilator-build: top.v
	verilator --cc -CFLAGS ${CFLAGS} \
								-Wno-WIDTH \
	              -Wno-UNOPTFLAT \
								-I../src \
	              -F ./soc.mk \
	              --top-module soc_sim -exe test_soc_sim.cpp --autoflush $(VERILATOR_DEBUG)
	cp ${DEMODIR}/test_soc_sim.cpp obj_dir
	$(MAKE) -j -e -C obj_dir/ -f Vsoc_sim.mk $(VERILATOR_MAKE_FLAGS)

##################### Simulation Runs #####################################

verilator: program verilator-build bin
	cd build && ../obj_dir/Vsoc_sim ${DEBUG_PLUS}

sim:
	cd build && ../obj_dir/Vsoc_sim ${DEBUG_PLUS}

##################### Test hex Build #####################################

program: $(TEST).o $(LINK)
	@echo Building $(TEST)
	$(GCC_PREFIX)-gcc $(ABI) -Wl,-Map=$(BUILD_DIR)/$(TEST).map -lgcc -T$(LINKPRO) -o $(BUILD_DIR)/$(TEST).bin $(BUILD_DIR)/$(TEST).o -nostartfiles $(TEST_LIBS)
	$(GCC_PREFIX)-objcopy -O verilog $(BUILD_DIR)/$(TEST).bin $(BUILD_DIR)/program.hex
	$(GCC_PREFIX)-gcc $(ABI) -Wl,-Map=$(BUILD_DIR)/$(TEST).map -lgcc -T$(LINK) -o $(BUILD_DIR)/$(TEST).bin $(BUILD_DIR)/$(TEST).o -nostartfiles $(TEST_LIBS)
	$(GCC_PREFIX)-objdump -S  $(BUILD_DIR)/$(TEST).bin > $(BUILD_DIR)/$(TEST).dis
	@echo Completed building $(TEST)

# program:
# 	cp ${DEMODIR}/program.hex ./build/

%.o : %.s
	@mkdir -p $(BUILD_DIR)
	$(GCC_PREFIX)-cpp -g  $<  > $(BUILD_DIR)/$*.cpp.s
	$(GCC_PREFIX)-as -g $(ABI) $(BUILD_DIR)/$*.cpp.s -o $(BUILD_DIR)/$@

##################### openocd #####################################


bin: $(ELF_FILE)
	$(GCC_PREFIX)-objcopy -O verilog test.elf $(BUILD_DIR)/test.hex

help:
	@echo Possible targets: verilator help clean all verilator-build program.hex

.PHONY: help clean verilator