Makefile

   1 default_target: vm
   2 .PHONY: vm clean
   3
   4 stage1/boot.bin: stage1/boot.asm
   5         nasm -DSTAGE2SIZE=$$(du -b stage2/target/x86-loadnothing/release/stage2 | cut -f1) -f bin -o stage1/boot.bin stage1/boot.asm
   6
   7 stage2/target/x86-loadnothing/release/stage2: stage2/src/main.rs
   8         cd stage2 && cargo build --release
   9
  10 nothing.img: stage2/target/x86-loadnothing/release/stage2 stage1/boot.bin
  11         dd if=/dev/zero of=nothing.img bs=32M count=1
  12         parted -s nothing.img mklabel msdos
  13         parted -s -a optimal nothing.img mkpart primary fat32 16MiB 100%
  14         doas losetup /dev/loop1 nothing.img
  15         doas mkfs.fat /dev/loop1p1
  16         doas losetup -d /dev/loop1
  17         dd if=stage1/boot.bin of=nothing.img bs=1 count=446 conv=notrunc
  18         echo -en "\x55\xAA" >> nothing.img
  19         dd if=stage2/target/x86-loadnothing/release/stage2 of=nothing.img bs=512 seek=1 conv=notrunc
  20
  21 vm: nothing.img
  22         qemu-system-x86_64 -hda nothing.img
  23
  24 clean:
  25         rm -f magic.bin stage1/boot.bin nothing.img
  26         cd stage2 && cargo clean