build:
	rm -f *.o
	x86_64-elf-gcc -g -c -I src src/idt/idt.c src/mem/utils.c src/mem/gdt.c src/io/serial.c src/io/term.c src/io/printf.c src/kmain.c -Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fno-stack-protector -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections -mcmodel=kernel
	objcopy -O elf64-x86-64 -B i386 -I binary zap-light16.psf zap-light16.o
	nasm -f elf64 src/idt/idt.S -o idt_stub.o
	x86_64-elf-ld -o pepperk -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 pepperk 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 pepper.iso
	./limine/limine bios-install pepper.iso

debug:
	qemu-system-x86_64 -drive file=pepper.iso -s -S -d int -no-reboot &
	gdb pepperk --command=debug.gdb

run: build-iso
	qemu-system-x86_64 -cdrom pepper.iso -serial stdio

clean:
	rm -rf *.o pepperk iso_root pepper.iso limine