38 lines
1.5 KiB
Plaintext
38 lines
1.5 KiB
Plaintext
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# Sample for i386 to create a 6MB disk-image
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# create an image file
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dd if=/dev/zero bs=512 count=$((6*1024*1024/512)) of=img
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# create a partition (optional)
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echo -e "n\np\n1\n\nw\n" | \
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~/src/busybox/busybox fdisk -C 16065 -H 255 -S 63 ./img
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# as root, associate the image with a look-device:
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# The offset of 512 comes from the the layout of the image. See
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# ~/src/busybox/busybox fdisk -C 16065 -H 255 -S 63 -l ./img for the start
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# block and multiply this with the block size (==512).
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~/src/busybox/busybox losetup -o 512 /dev/loop/0 /path/to/the/img
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# create some filesystem on it, for example ext2
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mkfs.ext2 -m0 -Lslash /dev/loop/0
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# mount it and copy your stuff to it
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~/src/busybox/busybox mount -oloop,rw /dev/loop/0 /media/l0
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~/src/busybox/busybox mkdir -p /media/l0/boot/grub
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~/src/busybox/busybox cp -a project_build_i386/root/boot/grub/stage? /media/l0/boot/grub/
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~/src/busybox/busybox cp -a project_build_i386/root/boot/bzImage /media/l0/boot/
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~/src/busybox/busybox cat > /media/l0/boot/grub/menu.lst <<EOF
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title=GNU/Linux
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root (hd0,0)
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kernel /boot/bzImage
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EOF
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# finally unmount the dist and disassociate the loopdev
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~/src/busybox/busybox umount /media/l0
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~/src/busybox/busybox losetup -d /dev/loop/0
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# now install grub from the chroot
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~/src/busybox/busybox losetup /dev/loop/0 /path/to/the/img
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project_build_i386/root/usr/sbin/grub --device-map=/dev/null
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device (hd0) img
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geometry (hd0) 16065 255 63
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root (hd0,0)
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setup (hd0)
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quit
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# finally boot the thing
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/opt/qemu-trunk_ggi-2.2.2/bin/qemu -snapshot -hda img -boot c
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