-help:
- @echo "Run 'make' to compile."
- @echo "Run 'make clean' to delete compiled objects."
- @echo "Run 'make run' to run the compiled object. Must have qemu-system-i386 (but x86_64 should work too)."
+boot/x86/disk.img: boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN boot/x86/disk.dump
+ truncate -s1G boot/x86/disk.img
+ sfdisk boot/x86/disk.img < boot/x86/disk.dump
+ mkfs.fat -F 32 --offset 2048 boot/x86/disk.img
+ dd if=boot/x86/mbr of=boot/x86/disk.img bs=440 count=1 conv=notrunc
+ dd if=boot/x86/vbr-fat32 of=boot/x86/disk.img bs=1 skip=90 seek=1048666 conv=notrunc
+ mcopy -i boot/x86/disk.img@@1M boot/x86/stage3/LOADER.BIN ::.
+ mcopy -i boot/x86/disk.img@@1M kernel/kernel.bin ::./KERNEL.BIN
+
+kernel/kernel.bin: ${KERNEL_OBJ}
+ $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ}
+
+kernel/entry.o: kernel/entry.s
+ $(AS) -f elf kernel/entry.s -o $@
+
+kernel/arch/x86/irq/sample_handler.o: kernel/arch/x86/irq/sample_handler.c
+ $(CC) $(CFLAGS) -mgeneral-regs-only -c kernel/arch/x86/irq/sample_handler.c -o $@
+
+kernel/kernel.elf: kernel/kernel.bin
+ $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} -Wl,--oformat=elf32-i386
+
+clean:
+ -rm kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ}
+ cd boot/x86 && $(MAKE) clean