include_flags := "-Iinclude"
common_flags := "-werror " + include_flags

run:
  qemu-system-x86_64 \
    -monitor stdio \
    -no-reboot \
    -bios seabios/out/bios.bin \
    -m 512M \
    -drive format=raw,file=disk.bin

build:
  nasm -f bin {{common_flags}} -o s1.bin stages/s1/s1.s
  nasm -f elf {{common_flags}} -o stages/s2/s2.o stages/s2/s2.s
  nasm -f elf {{common_flags}} -o stages/s3/s3.o stages/s3/s3.s
  nasm -f elf {{common_flags}} -o stages/s3/a20.o stages/s3/a20.s
  ld.lld -T s2.ld -o s234.bin stages/s2/*.o stages/s3/*.o stages/s4/target/protected32/release/libs4.a

mkimg:
  dd if=/dev/zero of=disk.bin bs=440 count=1 conv=notrunc
  dd if=s1.bin of=disk.bin conv=notrunc
  dd if=s234.bin of=disk.bin bs=512 seek=70 conv=notrunc

# build:
#   nasm -f bin -Iinclude -o boot0.bin boot0.s
#   cd boot1; cargo build --release
#   # nasm -f bin -Iinclude -o boot1.bin boot1.s

zero_disk:
  dd if=/dev/zero of=disk.bin bs=512 count=1000

partition_disk:
  parted --script disk.bin mklabel gpt
  parted --script disk.bin mkpart dummy1 34s 47s
  parted --script disk.bin type 1 e3c9e316-0b5c-4db8-817d-f92df00215ae
  parted --script disk.bin mkpart dummy2 64s 65s
  parted --script disk.bin type 2 e3c9e316-0b5c-4db8-817d-f92df00215ae
  parted --script disk.bin mkpart dummy3 66s 67s
  parted --script disk.bin type 3 e3c9e316-0b5c-4db8-817d-f92df00215ae
  parted --script disk.bin mkpart dummy4 68s 69s
  parted --script disk.bin type 4 e3c9e316-0b5c-4db8-817d-f92df00215ae
  parted --script disk.bin mkpart dummy5 48s 63s
  parted --script disk.bin type 5 0fc63daf-8483-4772-8e79-3d69d8477de4
  # parted --script disk.bin mkpart stage2 70s 200s
  parted --script disk.bin mkpart stage2 70s 900s
  parted --script disk.bin type 6 fdffea69-3651-442f-a11d-88a09bf372dd

# write_stage1:
#   dd if=/dev/zero of=disk.bin bs=440 count=1 conv=notrunc
#   dd if=boot0.bin of=disk.bin conv=notrunc

# write_stage2:
#   # dd if=boot1.bin of=disk.bin bs=512 seek=70 conv=notrunc
#   dd if=boot1/target/target_protected/release/boot1 of=disk.bin bs=512 seek=70 conv=notrunc