grub.cfg

zfs_pool=rpool
zfs_basefs=ubuntu

# bootmode:
# rn -- regular normal
# ra -- regular admin
# cn -- control normal
# ca -- control admin (no need to make available in grub menu)

# can assume path names don't contain spaces
# to accommodate spaces, would have to update init in initramfs

function load_video {
  if [ x${feature_all_video_module} = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

function gfxmode {
    gfxpayload="${1}"
    if [ "${1}" = "keep" ]; then
        vt_handoff=vt.handoff=7
    else
        vt_handoff=
    fi
}

function show_menuentry {
    # ${1} - title
    # ${2} - bootmode
    # ${3} - basefs
    # ${4} - pool
    # ${5} - class
    menuentry "${1}" --class=${5} ${2} ${3} ${4}  {
        load_video
        gfxmode $linux_gfx_mode
        insmod gzio
        if [ ${2} == rn -o ${2} == ra ]; then
            bootfs=/${3}/boot/regular
        else
            bootfs=/${3}/boot/control
        fi
        linux   ${bootfs}@/vmlinuz bootmode=${2} root=ZFS=${4}/${3}
        initrd  ${bootfs}@/initrd.img
    }
}

insmod part_msdos
insmod zfs

if [ x${feature_default_font_path} = xy ] ; then
    font=unicode
else
    font="${prefix}/fonts/unicode.pf2"
fi

if loadfont $font ; then
  gfxmode=auto
  load_video
  insmod gfxterm
  locale_dir=${prefix}/locale
  lang=en_US
  insmod gettext
fi

insmod gfxterm
terminal_output gfxterm

if [ x${feature_timeout_style} = xy ] ; then
  timeout_style=menu
  timeout=10
else
  timeout=10
fi

menu_color_normal=white/black
menu_color_highlight=black/light-gray

if [ -e ${prefix}/gfxblacklist.txt ]; then
  if hwmatch ${prefix}/gfxblacklist.txt 3; then
    if [ ${match} = 0 ]; then
      linux_gfx_mode=keep
    else
      linux_gfx_mode=text
    fi
  else
    linux_gfx_mode=text
  fi
else
  linux_gfx_mode=keep
fi
export linux_gfx_mode

show_menuentry Normal rn ${zfs_basefs} ${zfs_pool} ubuntu_normal
show_menuentry Admin ra ${zfs_basefs} ${zfs_pool} ubuntu_admin
show_menuentry Recovery cn ${zfs_basefs} ${zfs_pool} ubuntu_recovery