init

makefile

@@ -0,0 +1,44 @@
+CC = x86_64-elf-gcc
+LD = x86_64-elf-ld
+AS = nasm
+
+# Modify these settings here for defines and debug info
+# CFLAGS 	= -g -D DEBUG
+# LDFLAGS = -g
+# ASFLAGS = -g -F dwarf
+
+# Do not modify
+CFLAGS 	+= -m64 -ffreestanding -nostdinc -nostdlib -Wall -Wextra -Wshadow -std=c23
+LDFLAGS	+=
+ASFLAGS	+= -f elf64
+
+SRC_C	:= $(shell find src -name '*.c')
+SRC_ASM := $(shell find src -name '*.asm')
+
+OBJS := $(patsubst src/%.c, .build/%.o, $(SRC_C)) $(patsubst src/%.asm, .build/%.o, $(SRC_ASM))
+
+iso: .build/nub-os.iso
+	@echo "ISO created at '.build/nub-os.iso'"
+
+run: .build/nub-os.iso
+	qemu-system-x86_64 -cdrom .build/nub-os.iso
+
+clean:
+	@rm -r .build 2>/dev/null || true
+
+.build/nub-os.iso: .build/nub-os src/grub.cfg
+	mkdir -p .build/grub/boot/grub
+	cp src/grub.cfg .build/grub/boot/grub
+	cp .build/nub-os .build/grub/boot/
+	grub-mkrescue -o .build/nub-os.iso .build/grub/
+
+.build/nub-os: $(OBJS)
+	$(LD) $(LDFLAGS) -T src/linker.ld -o $@ $^
+
+.build/%.o: src/%.c
+	@mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+.build/%.o: src/%.asm
+	@mkdir -p $(dir $@)
+	$(AS) $(ASFLAGS) -o $@ $<