111 lines
3.4 KiB
Makefile
111 lines
3.4 KiB
Makefile
PACKAGE = $(notdir $(realpath .))
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FOMU_SDK ?= .
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ADD_CFLAGS = -I$(FOMU_SDK)/include -D__vexriscv__ -march=rv32im -mabi=ilp32
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ADD_LFLAGS = -L$(FOMU_SDK)/lib $(FOMU_SDK)/lib/crt0-vexriscv-ctr.o -lbase-nofloat -lcompiler_rt
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SRC_DIR = src
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GIT_VERSION= $(shell git describe --tags)
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TRGT ?= riscv64-unknown-elf-
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CC = $(TRGT)gcc
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CXX = $(TRGT)g++
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OBJCOPY = $(TRGT)objcopy
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RM = rm -rf
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COPY = cp -a
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PATH_SEP = /
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ifeq ($(OS),Windows_NT)
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COPY = copy
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RM = del
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PATH_SEP = \\
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endif
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LDSCRIPT = $(FOMU_SDK)/ld/linker.ld
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LDSCRIPTS = $(LDSCRIPT) $(FOMU_SDK)/ld/output_format.ld $(FOMU_SDK)/ld/regions.ld
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DBG_CFLAGS = -ggdb -g -DDEBUG -Wall
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DBG_LFLAGS = -ggdb -g -Wall
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CFLAGS = $(ADD_CFLAGS) \
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-Wall -Wextra \
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-ffunction-sections -fdata-sections -fno-common \
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-fomit-frame-pointer -Os \
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-flto -ffreestanding -fuse-linker-plugin \
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-DGIT_VERSION=u\"$(GIT_VERSION)\" -std=gnu11
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CXXFLAGS = $(CFLAGS) -std=c++11 -fno-rtti -fno-exceptions
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LFLAGS = $(CFLAGS) $(ADD_LFLAGS) \
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-nostartfiles \
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-Wl,--gc-sections \
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-Wl,--no-warn-mismatch \
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-Wl,--script=$(LDSCRIPT) \
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-Wl,--build-id=none
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OBJ_DIR = .obj
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CSOURCES = $(wildcard $(SRC_DIR)/*.c)
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CPPSOURCES = $(wildcard $(SRC_DIR)/*.cpp)
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ASOURCES = $(wildcard $(SRC_DIR)/*.S)
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COBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(CSOURCES:.c=.o)))
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CXXOBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(CPPSOURCES:.cpp=.o)))
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AOBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(ASOURCES:.S=.o)))
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OBJECTS = $(COBJS) $(CXXOBJS) $(AOBJS)
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VPATH = $(SRC_DIR)
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QUIET = @
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ALL = all
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TARGET = $(PACKAGE).elf
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CLEAN = clean
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$(ALL): $(TARGET) $(PACKAGE).bin $(PACKAGE).ihex $(PACKAGE).dfu
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$(OBJECTS): | $(OBJ_DIR)
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$(TARGET): $(OBJECTS) $(LDSCRIPTS)
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$(QUIET) echo " LD $@"
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$(QUIET) $(CXX) $(OBJECTS) $(LFLAGS) -o $@
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$(PACKAGE).bin: $(TARGET)
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$(QUIET) echo " OBJCOPY $@"
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$(QUIET) $(OBJCOPY) -O binary $(TARGET) $@
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$(PACKAGE).dfu: $(TARGET)
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$(QUIET) echo " DFU $@"
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$(QUIET) $(COPY) $(PACKAGE).bin $@
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$(QUIET) dfu-suffix -v 1209 -p 70b1 -a $@
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$(PACKAGE).ihex: $(TARGET)
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$(QUIET) echo " IHEX $(PACKAGE).ihex"
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$(QUIET) $(OBJCOPY) -O ihex $(TARGET) $@
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$(DEBUG): CFLAGS += $(DBG_CFLAGS)
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$(DEBUG): LFLAGS += $(DBG_LFLAGS)
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CFLAGS += $(DBG_CFLAGS)
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LFLAGS += $(DBG_LFLAGS)
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$(DEBUG): $(TARGET)
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$(OBJ_DIR):
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$(QUIET) mkdir $(OBJ_DIR)
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$(COBJS) : $(OBJ_DIR)/%.o : %.c Makefile
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$(QUIET) echo " CC $< $(notdir $@)"
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$(QUIET) $(CC) -c $< $(CFLAGS) -o $@ -MMD
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$(OBJ_DIR)/%.o: %.cpp
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$(QUIET) echo " CXX $< $(notdir $@)"
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$(QUIET) $(CXX) -c $< $(CXXFLAGS) -o $@ -MMD
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$(OBJ_DIR)/%.o: %.S
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$(QUIET) echo " AS $< $(notdir $@)"
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$(QUIET) $(CC) -x assembler-with-cpp -c $< $(CFLAGS) -o $@ -MMD
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.PHONY: clean
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clean:
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$(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))"
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-$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))
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$(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))"
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-$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.o))
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$(QUIET) echo " RM $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu"
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-$(QUIET) $(RM) $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu
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include $(wildcard $(OBJ_DIR)/*.d)
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