176 lines
3.6 KiB
Makefile
176 lines
3.6 KiB
Makefile
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######################################
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# target
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######################################
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TARGET = blinky
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######################################
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# building variables
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######################################
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# debug build?
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DEBUG = 1
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# optimization for size
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OPT = -Os
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#######################################
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# paths
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#######################################
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# Build path
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BUILD_DIR = build
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######################################
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# source
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######################################
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# C sources
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include emlib.mk
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C_SOURCES += \
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../../platform/Device/SiliconLabs/EFR32BG22/Source/system_efr32bg22.c \
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src/main.c
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# ASM sources
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LDLIBS1 = \
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../../platform/Device/SiliconLabs/EFR32BG22/Source/GCC/startup_efr32bg22.S
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#######################################
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# binaries
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#######################################
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PREFIX = arm-none-eabi-
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CC = $(PREFIX)gcc
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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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#######################################
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# CFLAGS
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#######################################
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# cpu
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CPU = \
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-mcpu=cortex-m33 \
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-mthumb \
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-mfpu=fpv5-sp-d16 \
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-mfloat-abi=hard \
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-std=c99 \
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-Wall \
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-Wextra \
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-fdata-sections \
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-ffunction-sections \
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-fomit-frame-pointer \
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-imacros sl_gcc_preinclude.h \
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-mcmse
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DEFINES = -DEFR32BG22C224F512GM32
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# fpu
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FPU =
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# float-abi
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FLOAT-ABI =
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# mcu
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MCU = $(CPU) $(FPU) $(FLOAT-ABI)
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# C includes
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C_INCLUDES = \
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-I include -I../../platform/CMSIS/Core/Include \
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-I../../platform/Device/SiliconLabs/EFR32BG22/Include \
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-I../../platform/common/inc \
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-I ../../platform/common/toolchain/inc \
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-I ../../platform/emlib/inc
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# compile gcc flags
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CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) $(DEFINES)
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ifeq ($(DEBUG), 1)
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CFLAGS += -g
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endif
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# Generate dependency information <<<<<<<<<<<<<<<<<<<<<<< check
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CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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#######################################
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# LDFLAGS
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#######################################
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# link script
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LDSCRIPT = ../../platform/Device/SiliconLabs/EFR32BG22/Source/GCC/efr32bg22.ld
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# libraries
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GROUP_START =-Wl,--start-group
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GROUP_END =-Wl,--end-group
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PROJECT_LIBS = \
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-lgcc \
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-lc \
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-lm \
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-lnosys
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LIBS = $(GROUP_START) $(PROJECT_LIBS) $(GROUP_END)
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LIBDIR =
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LDFLAGS = \
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-mcpu=cortex-m33 \
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-mthumb \
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-mfpu=fpv5-sp-d16 \
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-mfloat-abi=hard \
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-T $(LDSCRIPT) \
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--specs=nano.specs \
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--specs=nosys.specs \
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-Xlinker -Map=$(BUILD_DIR)/$(TARGET).map \
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-Wl,--gc-sections \
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$(LIBS)
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# default action: build all
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# build the application
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#######################################
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# list of objects
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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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# list of ASM program objects
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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: %.c Makefile | $(BUILD_DIR)
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$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
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#$(LUAOBJECTS) $(OBJECTS)
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$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
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$(CC) $(OBJECTS) $(LDFLAGS) $(LDLIBS1) -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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#######################################
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# Program
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#######################################
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#######################################
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# clean up
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#######################################
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clean:
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-rm -fR $(BUILD_DIR)
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#######################################
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# dependencies
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#######################################
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-include $(wildcard $(BUILD_DIR)/*.d)
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# *** EOF ***
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