Created
August 27, 2016 19:32
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arch ?= x86_64 | |
kernel := build/kernel-$(arch).bin | |
iso := build/os-$(arch).iso | |
linker_script := src/arch/$(arch)/linker.ld | |
grub_cfg := src/arch/$(arch)/grub.cfg | |
assembly_source_files := $(wildcard src/arch/$(arch)/*.asm) | |
assembly_object_files := $(patsubst src/arch/$(arch)/%.asm, \ | |
build/arch/$(arch)/%.o, $(assembly_source_files)) | |
.PHONY: all clean run iso | |
all: $(kernel) | |
clean: | |
@rm -r build | |
run: $(iso) | |
@qemu-system-x86_64 -cdrom $(iso) | |
iso: $(iso) | |
$(iso): $(kernel) $(grub_cfg) | |
@mkdir -p build/isofiles/boot/grub | |
@cp $(kernel) build/isofiles/boot/kernel.bin | |
@cp $(grub_cfg) build/isofiles/boot/grub | |
@grub-mkrescue -o $(iso) build/isofiles 2> /dev/null | |
@rm -r build/isofiles | |
$(kernel): $(assembly_object_files) $(linker_script) | |
@ld -n -T $(linker_script) -o $(kernel) $(assembly_object_files) | |
# compile assembly files | |
build/arch/$(arch)/%.o: src/arch/$(arch)/%.asm | |
@mkdir -p $(shell dirname $@) | |
@nasm -felf64 $< -o $@ |
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