mirror of
https://github.com/ayabusa/Numworks-zeta-os.git
synced 2025-11-04 01:57:15 +00:00
77 lines
1.8 KiB
Makefile
77 lines
1.8 KiB
Makefile
TARGET = main
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# Directories
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SRC_DIR = src
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BUILD_DIR = build
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# Define the linker script location and chip architecture.
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LD_SCRIPT = $(SRC_DIR)/linker.ld
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MCU_SPEC = cortex-m0
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# Toolchain definitions (ARM bare metal defaults)
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TOOLCHAIN = /usr
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CC = $(TOOLCHAIN)/bin/arm-none-eabi-gcc
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AS = $(TOOLCHAIN)/bin/arm-none-eabi-as
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LD = $(TOOLCHAIN)/bin/arm-none-eabi-ld
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OC = $(TOOLCHAIN)/bin/arm-none-eabi-objcopy
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OD = $(TOOLCHAIN)/bin/arm-none-eabi-objdump
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OS = $(TOOLCHAIN)/bin/arm-none-eabi-size
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# Assembly directives.
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ASFLAGS += -c
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ASFLAGS += -O0
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ASFLAGS += -mcpu=$(MCU_SPEC)
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ASFLAGS += -mthumb
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ASFLAGS += -Wall
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# (Set error messages to appear on a single line.)
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ASFLAGS += -fmessage-length=0
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# C compilation directives
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CFLAGS += -mcpu=$(MCU_SPEC)
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CFLAGS += -mthumb
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CFLAGS += -Wall
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CFLAGS += -g
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# (Set error messages to appear on a single line.)
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CFLAGS += -fmessage-length=0
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# (Set system to ignore semihosted junk)
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CFLAGS += --specs=nosys.specs
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# Linker directives.
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LSCRIPT = $(LD_SCRIPT)
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LFLAGS += -mcpu=$(MCU_SPEC)
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LFLAGS += -mthumb
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LFLAGS += -Wall
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LFLAGS += --specs=nosys.specs
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LFLAGS += -nostdlib
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LFLAGS += -lgcc
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LFLAGS += -T$(LSCRIPT)
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VECT_TBL = $(SRC_DIR)/vector_table.S
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AS_SRC = $(SRC_DIR)/core.S
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C_SRC = $(SRC_DIR)/main.c
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OBJS = $(BUILD_DIR)/$(notdir $(VECT_TBL:.S=.o))
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OBJS += $(BUILD_DIR)/$(notdir $(AS_SRC:.S=.o))
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OBJS += $(BUILD_DIR)/$(notdir $(C_SRC:.c=.o))
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.PHONY: all
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all: $(BUILD_DIR)/$(TARGET).bin
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$(BUILD_DIR)/%.o: $(SRC_DIR)/%.S
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$(CC) -x assembler-with-cpp $(ASFLAGS) $< -o $@
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$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
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$(CC) -c $(CFLAGS) $(INCLUDE) $< -o $@
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$(BUILD_DIR)/$(TARGET).elf: $(OBJS)
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$(CC) $^ $(LFLAGS) -o $@
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$(BUILD_DIR)/$(TARGET).bin: $(BUILD_DIR)/$(TARGET).elf
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$(OC) -S -O binary $< $@
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$(OS) $<
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.PHONY: clean
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clean:
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rm -f $(BUILD_DIR)/*.o
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rm -f $(BUILD_DIR)/$(TARGET).elf
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rm -f $(BUILD_DIR)/$(TARGET).bin
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