arch := x86_64

kernel := build/$(arch)/kernel.bin

iso := build/$(arch)/os.iso

rs_target := $(arch)-unknown-none

rs_kernel := target/$(rs_target)/debug/libsparkle_os.a

asm_src := $(wildcard src/arch/$(arch)/*.asm)

asm_obj := $(patsubst src/arch/$(arch)/%.asm, build/$(arch)/%.o, $(asm_src))

linker_script := src/arch/$(arch)/linker.ld

grub_cfg := src/arch/$(arch)/grub.cfg

.PHONY: all clean run iso

all: $(kernel)

clean:

rm -r build/ target/

run: $(iso)

qemu-system-x86_64 -cdrom $(iso) -s

run-trif: $(iso)

qemu-system-x86_64 -cdrom $(iso) -no-reboot -d int -s

iso: $(iso)

$(iso): $(kernel)

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

rm -r build/isofiles

$(kernel): $(asm_obj) $(rs_kernel)

ld -n --gc-sections -T $(linker_script) -o $(kernel) $^

.PHONY: $(rs_kernel) # always run xargo

$(rs_kernel):

xargo build --target $(rs_target)

build/$(arch)/%.o: src/arch/$(arch)/%.asm

@mkdir -p $(shell dirname $@)

nasm -felf64 $< -o $@