62 lines
1.5 KiB
Bash
Executable file
62 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Ensure to abort on error
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set -e
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wai=$(dirname $(readlink -f "$0")) # Current script directory
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outdir="${wai}/../"
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floppy="${outdir}/floppy.img"
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mountp="$(mktemp -d)" # Mount point (where the floppy will be mounted temporally
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sysbios="/usr/lib/syslinux/bios/" # Syslinux bios and ui locations
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check_for () {
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command -v "$1" &>/dev/null || { echo "Command $1 not found!"; exit 1; }
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}
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check_for parted
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check_for losetup
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check_for extlinux
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check_for mkfs.ext4
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[ -d "$sysbios" ] || { echo "Syslinux bios \"$sysbios\" not found!"; exit 1; }
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# Create drive
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dd if=/dev/zero of=${floppy} bs=512 count=50000 # Change count to change floppy size :)
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parted -s $floppy mklabel gpt
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parted -s $floppy mkpart linux ext4 0 100%
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parted -s $floppy set 1 legacy_boot on # Require for syslinux according to https://wiki.gentoo.org/wiki/Syslinux#GPT
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# Initiate loop devices
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loop=$(sudo losetup -f)
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part="${loop}p1" # Disk partition
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sudo losetup -Pf $floppy
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# Prepare disk partition
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sudo mkfs.ext4 $part
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sudo mount $part "$mountp"
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sudo mkdir -p $mountp/boot/syslinux/
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# Configuring syslinux
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sudo chown -R loic $mountp/boot/
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cfg=$(mktemp)
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cat > "$cfg" <<EOF
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TIMEOUT 30
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UI vesamenu.c32
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MENU TITLE Syslinux
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LABEL Bringelle
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KERNEL /boot/bringelle.bs
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EOF
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mv "$cfg" "$mountp/boot/syslinux/syslinux.cfg"
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cp $sysbios/*.c32 $mountp/boot/syslinux/
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sudo extlinux --install $mountp/boot/syslinux
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# Umount floppy
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sync
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sudo umount "$mountp"
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rmdir "$mountp"
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# Install MBR
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sudo dd bs=440 count=1 conv=notrunc if=$sysbios/gptmbr.bin of=${loop}
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# Cleanup
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sudo losetup -D
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