build:
	rm -f *.o
	x86_64-elf-gcc -c -I src src/kmain.c -Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fno-stack-protector -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections
	x86_64-elf-ld -o kernel -T linker.ld *.o

limine/limine:
	rm -rf limine
	git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1
	$(MAKE) -C limine

build-iso: limine/limine build
	rm -rf iso_root
	mkdir -p iso_root/boot
	cp -v kernel iso_root/boot
	mkdir -p iso_root/boot/limine
	cp -v limine.conf iso_root/boot/limine
	mkdir -p iso_root/EFI/BOOT
	cp -v limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/boot/limine/
	cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/
	cp -v limine/BOOTIA32.EFI iso_root/EFI/BOOT/
	xorriso -as mkisofs -R -r -J -b boot/limine/limine-bios-cd.bin \
		-no-emul-boot -boot-load-size 4 -boot-info-table -hfsplus \
		-apm-block-size 2048 --efi-boot boot/limine/limine-uefi-cd.bin \
		-efi-boot-part --efi-boot-image --protective-msdos-label \
		iso_root -o kernel.iso
	./limine/limine bios-install kernel.iso

clean:
	rm -rf *.o kernel iso_root kernel.iso limine