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Automating image-file creation

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This commit is contained in:
Jarkko Toivanen 2024-08-16 18:22:30 +03:00
parent bcf49f4fef
commit 32ccb3abd1
2 changed files with 28 additions and 4 deletions
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29
Makefile
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@ -4,13 +4,13 @@ clean:
start32.bin: src/* start32.bin: src/*
fasm src/start32.asm start32.bin fasm src/start32.asm start32.bin
image: start32.bin mount image: start32.bin mount grub-cfg roska.img mnt/roska/
cp start32.bin mnt/roska/ cp start32.bin mnt/roska/
sync sync
qemu-multiboot: start32.bin qemu-multiboot: start32.bin
qemu-system-i386 -kernel start32.bin -serial stdio qemu-system-i386 -kernel start32.bin -serial stdio
qemu-image: image qemu-image: image roska.img
qemu-system-i386 roska.img -serial stdio qemu-system-i386 roska.img -serial stdio
mount: roska.img mnt/ mount: roska.img mnt/
@ -18,8 +18,29 @@ mount: roska.img mnt/
sudo mount -o loop,offset=1048576,umask=177,dmask=022,uid=$(shell id -u),gid=$(shell id -g) roska.img mnt/; \ sudo mount -o loop,offset=1048576,umask=177,dmask=022,uid=$(shell id -u),gid=$(shell id -g) roska.img mnt/; \
fi; fi;
umount: umount:
@sudo umount mnt @if mountpoint -q "mnt/"; then \
sudo umount mnt/; \
fi;
mnt/: mnt/:
@mkdir mnt @mkdir -p mnt
mnt/roska/: mount roska.img
@mkdir -p mnt/roska
build/: build/:
@mkdir build @mkdir build
roska.img: mnt/
dd if=/dev/zero of=roska.img bs=16M count=1
echo 'type=83' | sudo sfdisk roska.img
sudo losetup /dev/loop0 roska.img
sudo losetup /dev/loop1 roska.img -o1048576
sudo mkdosfs -F32 -f 2 /dev/loop1
sudo mount /dev/loop1 mnt/
sudo grub-install --target=i386-pc --root-directory=mnt --boot-directory=mnt/boot --no-floppy --modules="normal part_msdos multiboot" /dev/loop0
sudo umount mnt/
sudo losetup -d /dev/loop1
sudo losetup -d /dev/loop0
grub-cfg: grub.cfg mount
cp grub.cfg mnt/boot/grub/grub.cfg
lo-unsetup: umount
sudo losetup -d /dev/loop1
sudo losetup -d /dev/loop0

3
grub.cfg Normal file
View file

@ -0,0 +1,3 @@
menuentry "rOSka" {
multiboot /roska/start32.bin
}