GIT_VERSION := $(shell git describe --tags) # There is no 64-bit gcc on Raspberry Pi, so use the 32-bit version ifneq (,$(wildcard /etc/rpi-issue)) TRGT ?= riscv32-unknown-elf- else TRGT ?= riscv64-unknown-elf- endif CC := $(TRGT)gcc CXX := $(TRGT)g++ OBJCOPY := $(TRGT)objcopy RM := rm -rf COPY := cp -a PATH_SEP := / ifeq ($(OS),Windows_NT) COPY := copy RM := del PATH_SEP := \\ endif ifeq ($(LITEX),1) BASE_DIR := ../../../../sw LDSCRIPT := $(BASE_DIR)/ld/linker.ld LD_DIR := ../include/generated ADD_CFLAGS := -I../include -I$(BASE_DIR)/include ADD_LFLAGS := PACKAGE := bios else BASE_DIR := . LD_DIR := $(BASE_DIR)/ld LDSCRIPT := $(BASE_DIR)/ld/linker.ld ADD_CFLAGS := -I$(BASE_DIR)/include ADD_LFLAGS := PACKAGE := factory-test endif LDSCRIPTS := $(LDSCRIPT) $(LD_DIR)/output_format.ld $(LD_DIR)/regions.ld SRC_DIR := $(BASE_DIR)/src THIRD_PARTY := $(BASE_DIR)/third_party DBG_CFLAGS := -ggdb -g -DDEBUG -Wall DBG_LFLAGS := -ggdb -g -Wall CFLAGS := $(ADD_CFLAGS) \ -D__vexriscv__ -march=rv32i -mabi=ilp32 \ -Wall -Wextra \ -flto \ -ffunction-sections -fdata-sections -fno-common \ -fomit-frame-pointer -Os \ -march=rv32i \ -DGIT_VERSION=\"$(GIT_VERSION)\" -std=gnu11 CXXFLAGS := $(CFLAGS) -std=c++11 -fno-rtti -fno-exceptions LFLAGS := $(CFLAGS) $(ADD_LFLAGS) -L$(LD_DIR) \ -nostartfiles \ -nostdlib \ -Wl,--gc-sections \ -Wl,--no-warn-mismatch \ -Wl,--script=$(LDSCRIPT) \ -Wl,--build-id=none OBJ_DIR := .obj CSOURCES := $(wildcard $(SRC_DIR)/*.c) CPPSOURCES := $(wildcard $(SRC_DIR)/*.cpp) ASOURCES := $(wildcard $(SRC_DIR)/*.S) COBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CSOURCES:.c=.o))) CXXOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CPPSOURCES:.cpp=.o))) AOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(ASOURCES:.S=.o))) OBJECTS := $(COBJS) $(CXXOBJS) $(AOBJS) VPATH := $(SRC_DIR) QUIET := @ ALL := all TARGET := $(PACKAGE).elf CLEAN := clean $(ALL): $(TARGET) $(PACKAGE).bin $(PACKAGE).ihex $(OBJECTS): | $(OBJ_DIR) $(TARGET): $(OBJECTS) $(LDSCRIPTS) $(QUIET) echo " LD $@" $(QUIET) $(CC) $(OBJECTS) $(LFLAGS) -o $@ $(PACKAGE).bin: $(TARGET) $(QUIET) echo " OBJCOPY $@" $(QUIET) $(OBJCOPY) -O binary $(TARGET) $@ $(PACKAGE).dfu: $(TARGET) $(QUIET) echo " DFU $@" $(QUIET) $(COPY) $(PACKAGE).bin $@ $(QUIET) dfu-suffix -v 1209 -p 70b1 -a $@ $(PACKAGE).ihex: $(TARGET) $(QUIET) echo " IHEX $(PACKAGE).ihex" $(QUIET) $(OBJCOPY) -O ihex $(TARGET) $@ $(DEBUG): CFLAGS += $(DBG_CFLAGS) $(DEBUG): LFLAGS += $(DBG_LFLAGS) CFLAGS += $(DBG_CFLAGS) LFLAGS += $(DBG_LFLAGS) $(DEBUG): $(TARGET) $(OBJ_DIR): $(QUIET) mkdir $(OBJ_DIR) $(COBJS) : $(OBJ_DIR)/%.o : %.c $(BASE_DIR)/Makefile $(QUIET) echo " CC $< $(notdir $@)" $(QUIET) $(CC) -c $< $(CFLAGS) -o $@ -MMD $(OBJ_DIR)/%.o: %.cpp $(QUIET) echo " CXX $< $(notdir $@)" $(QUIET) $(CXX) -c $< $(CXXFLAGS) -o $@ -MMD $(OBJ_DIR)/%.o: %.S $(QUIET) echo " AS $< $(notdir $@)" $(QUIET) $(CC) -x assembler-with-cpp -c $< $(CFLAGS) -o $@ -MMD .PHONY: clean clean: $(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))" -$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d)) $(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))" -$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.o)) $(QUIET) echo " RM $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu" -$(QUIET) $(RM) $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu include $(wildcard $(OBJ_DIR)/*.d)