79 lines
2.2 KiB
Makefile
79 lines
2.2 KiB
Makefile
TARGET = firmware
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DEBUG = 1
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OPT = -O0
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BUILD_DIR = build
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SRC_DIRS := $(shell find src -type d)
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CC_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.cc))
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C_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.c))
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ASM_SOURCES = $(foreach folder, $(SRC_DIRS), $(wildcard $(folder)/*.s))
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PREFIX = arm-none-eabi-
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CC = $(PREFIX)gcc
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CXX = $(PREFIX)g++
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AS = $(PREFIX)gcc -x assembler-with-cpp
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CP = $(PREFIX)objcopy
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SZ = $(PREFIX)size
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HEX = $(CP) -O ihex
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BIN = $(CP) -O binary -S
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CPU = -mcpu=cortex-m0plus
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MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
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C_DEFS = -DSTM32G031xx
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LDSCRIPT = src/platform/stm32g0xx/STM32G031Y8YX_FLASH.ld
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ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
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CFLAGS = $(MCU) $(C_DEFS) $(addprefix -I,$(SRC_DIRS)) $(OPT) -Wall -fdata-sections -ffunction-sections
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ifeq ($(DEBUG), 1)
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CFLAGS += -ggdb3
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endif
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CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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LIBS = -lc -lm -lnosys
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LIBDIR =
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LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(CC_SOURCES:.cc=.o)))
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vpath %.cc $(sort $(dir $(CC_SOURCES)))
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OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
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vpath %.c $(sort $(dir $(C_SOURCES)))
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OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
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vpath %.s $(sort $(dir $(ASM_SOURCES)))
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$(BUILD_DIR)/%.o: %.cc Makefile | $(BUILD_DIR)
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$(CXX) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.cc=.lst)) $< -o $@
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$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
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$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
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$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
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$(AS) -c $(CFLAGS) $< -o $@
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$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) | Makefile
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$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
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$(SZ) $@
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$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(HEX) $< $@
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$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(BIN) $< $@
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$(BUILD_DIR):
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mkdir $@
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clean:
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-rm -fR $(BUILD_DIR)
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-include $(wildcard $(BUILD_DIR)/*.d)
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