130 lines
4.3 KiB
Makefile
130 lines
4.3 KiB
Makefile
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PROJECT = main
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SOURCE_DIRS = src
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ADDITIONAL_SOURCES =
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INCLUDE_DIRS = third_party/core third_party/device
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EXCLUDE_SOURCES =
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BUILD_DIR = build
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DEBUG := yes
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H_DEVICE = STM32F030x6
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STARTUP_SOURCE_DIR = src
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STARTUP_SOURCES = $(STARTUP_SOURCE_DIR)/startup.S
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LD_SCRIPT = ld/stm32f030f4_flash.ld
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ifeq ($(DEBUG),yes)
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DEBUG_FLAGS = -DDEBUG -g3
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endif
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ifneq ($(V),1)
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Q = @
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endif
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CFLAGS = -Os -std=c99 -Wall \
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--specs nano.specs \
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-mcpu=cortex-m0 -mfloat-abi=soft \
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-fmessage-length=0 -ffunction-sections -fdata-sections \
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-Xlinker --gc-sections \
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-Wl,-Map=$(BUILD_DIR)/$(PROJECT).map \
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$(addprefix -I,$(SOURCE_DIRS) $(INCLUDE_DIRS)) $(DEBUG_FLAGS) \
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-D$(H_DEVICE) -D_DEFAULT_SOURCE \
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-T$(LD_SCRIPT)
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RM = rm -f
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CC = arm-none-eabi-gcc
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OBJCOPY = arm-none-eabi-objcopy
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SIZE = arm-none-eabi-size
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OBJDUMP = arm-none-eabi-objdump
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BUILD_NUMBER_FILE = build-number.txt
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BUILD_ID_FLAGS = -Xlinker --defsym -Xlinker __BUILD_DATE=$$(date +'%Y%m%d') \
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-Xlinker --defsym -Xlinker __BUILD_NUMBER=$$(cat $(BUILD_NUMBER_FILE))
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CURRENT_BUILD_CONFIG := $(shell cat makefile | md5sum) DEBUG = $(DEBUG)
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LAST_BUILD_CONFIG := $(shell if [ -e $(BUILD_DIR)/build-config.txt ] ; then cat $(BUILD_DIR)/build-config.txt ; fi)
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SOURCES = $(filter-out $(addprefix %/,$(EXCLUDE_SOURCES)),$(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.c))) \
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$(ADDITIONAL_SOURCES)
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OBJECTS = $(addprefix $(BUILD_DIR)/,$(addsuffix .o,$(basename $(notdir $(SOURCES)))))
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DEPENDS = $(addprefix $(BUILD_DIR)/,$(addsuffix .d,$(basename $(notdir $(SOURCES)))))
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STARTUP_OBJECTS = $(patsubst $(STARTUP_SOURCE_DIR)/%.S, $(BUILD_DIR)/%.o, $(STARTUP_SOURCES))
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.DEFAULT_GOAL = all
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.DELETE_ON_ERROR:
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define define_compile_rules
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$(addprefix $(BUILD_DIR)/,$(addsuffix .o,$(basename $(filter-out $(EXCLUDE_SOURCES),$(notdir $(wildcard $(1)/*.c)))))): $(BUILD_DIR)/%.o: $(1)/%.c
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@echo " CC $$@"
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$(Q)$$(CC) $$(CFLAGS) -o $$@ -c $$<
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$(addprefix $(BUILD_DIR)/,$(addsuffix .d,$(basename $(filter-out $(EXCLUDE_SOURCES),$(notdir $(wildcard $(1)/*.c)))))): $(BUILD_DIR)/%.d: $(1)/%.c
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@#echo " DP $$@"
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$(Q)set -e; rm -f $$@; $$(CC) -MM $$(CFLAGS) $$< > $$@.$$$$$$$$; sed 's,\($$*\)\.o[ :]*,build\/\1.o $$@ : ,g' < $$@.$$$$$$$$ > $$@; rm -f $$@.$$$$$$$$
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endef
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$(foreach directory,$(SOURCE_DIRS),$(eval $(call define_compile_rules,$(directory))))
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# Additional sources
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define define_compile_rule
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$(addprefix $(BUILD_DIR)/,$(notdir $(1:.c=.o))): $(1)
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@echo " CC $$@"
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$(Q)$$(CC) $$(CFLAGS) -o $$@ -c $$<
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$(addprefix $(BUILD_DIR)/,$(notdir $(1:.c=.d))): $(1)
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@#echo " DP $$@"
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$(Q)set -e; rm -f $$@; $$(CC) -MM $$(CFLAGS) $$< > $$@.$$$$$$$$; sed 's,\($$*\)\.o[ :]*,build\/\1.o $$@ : ,g' < $$@.$$$$$$$$ > $$@; rm -f $$@.$$$$$$$$
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endef
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$(foreach src,$(ADDITIONAL_SOURCES),$(eval $(call define_compile_rule,$(src))))
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$(STARTUP_OBJECTS): $(BUILD_DIR)/%.o: $(STARTUP_SOURCE_DIR)/%.S
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@echo " AS $@"
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$(Q)$(CC) $< -c -o $@ $(CFLAGS)
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$(DEPENDS):| $(BUILD_DIR)
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include $(DEPENDS)
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$(BUILD_DIR)/$(PROJECT).elf: $(OBJECTS) $(STARTUP_OBJECTS) $(BUILD_NUMBER_FILE)
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@echo " LD $@"
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$(Q)$(CC) $(OBJECTS) $(STARTUP_OBJECTS) $(CFLAGS) $(BUILD_ID_FLAGS) -o $@
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$(BUILD_DIR)/$(PROJECT).bin: $(BUILD_DIR)/$(PROJECT).elf
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@echo " OC $@"
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$(Q)$(OBJCOPY) -O binary -S $< $@
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$(BUILD_DIR)/$(PROJECT).lst: $(BUILD_DIR)/$(PROJECT).elf
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@echo " OD $@"
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$(Q)$(OBJDUMP) -h -S $< > $@
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$(BUILD_DIR):
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$(Q)if [ ! -d "$(BUILD_DIR)" ]; then mkdir "$(BUILD_DIR)"; fi
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$(BUILD_NUMBER_FILE): $(OBJECTS) $(STARTUP_OBJECTS)
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$(Q)if ! test -f $(BUILD_NUMBER_FILE); then echo 0 > $(BUILD_NUMBER_FILE); \
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else echo $$(($$(cat $(BUILD_NUMBER_FILE)) + 1)) > $(BUILD_NUMBER_FILE) ; fi
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# Rebuild everything in case of a makefile/configuration change
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.PHONY: all
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ifneq ("$(CURRENT_BUILD_CONFIG)","$(LAST_BUILD_CONFIG)")
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all: clean incrementalbuild
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else
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all: incrementalbuild
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endif
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.PHONY: incrementalbuild
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incrementalbuild: $(BUILD_DIR) $(OBJECTS) $(STARTUP_OBJECTS) $(BUILD_DIR)/$(PROJECT).elf $(BUILD_DIR)/$(PROJECT).bin $(BUILD_DIR)/$(PROJECT).lst
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@echo "Finished build $$(cat $(BUILD_NUMBER_FILE)). Binary size:"
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@echo " SZ $(BUILD_DIR)/$(PROJECT).elf"
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$(Q)$(SIZE) $(BUILD_DIR)/$(PROJECT).elf
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@echo "$(CURRENT_BUILD_CONFIG)" > $(BUILD_DIR)/build-config.txt
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.PHONY: program
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program: $(BUILD_DIR)/$(PROJECT).bin
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st-flash --reset write $(BUILD_DIR)/$(PROJECT).bin 0x8000000
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.PHONY: clean
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clean:
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@echo " RM $(BUILD_DIR)/*"
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$(Q)$(RM) $(BUILD_DIR)/*
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