mirror of
https://github.com/danog/baremetal.git
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38 lines
953 B
Makefile
38 lines
953 B
Makefile
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ARMGNU ?= aarch64-linux-gnu
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COPS = -Wall -nostdlib -nostartfiles -ffreestanding -Iinclude -mgeneral-regs-only
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ASMOPS = -Iinclude
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BUILD_DIR = build
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SRC_DIR = src
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all: kernel8.img
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install: all
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udisksctl mount -b /dev/mmcblk0p1
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cp kernel8.img /run/media/daniil/*/
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umount /run/media/daniil/*
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sync
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clean:
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rm -rf $(BUILD_DIR) *.img
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$(BUILD_DIR)/%_c.o: $(SRC_DIR)/%.c
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mkdir -p $(@D)
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$(ARMGNU)-gcc $(COPS) -MMD -c $< -o $@
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$(BUILD_DIR)/%_s.o: $(SRC_DIR)/%.S
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$(ARMGNU)-gcc $(ASMOPS) -MMD -c $< -o $@
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C_FILES = $(wildcard $(SRC_DIR)/*.c)
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ASM_FILES = $(wildcard $(SRC_DIR)/*.S)
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OBJ_FILES = $(C_FILES:$(SRC_DIR)/%.c=$(BUILD_DIR)/%_c.o)
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OBJ_FILES += $(ASM_FILES:$(SRC_DIR)/%.S=$(BUILD_DIR)/%_s.o)
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DEP_FILES = $(OBJ_FILES:%.o=%.d)
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-include $(DEP_FILES)
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kernel8.img: $(SRC_DIR)/linker.ld $(OBJ_FILES)
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$(ARMGNU)-ld -T $(SRC_DIR)/linker.ld -o $(BUILD_DIR)/kernel8.elf $(OBJ_FILES)
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$(ARMGNU)-objcopy $(BUILD_DIR)/kernel8.elf -O binary kernel8.img
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