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#!/bin/bash
set -e
# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
. "$pkgdatadir/grub-mkconfig_lib"
. /etc/default/grub
export TEXTDOMAIN=grub
export TEXTDOMAINDIR="${datarootdir}/locale"
CLASS="--class android --class os"
OS="Android"
sub_indent() { echo "$submenu_indentation$*"; }
android_entry() {
title="$1"
src="$2"
kernel="$3"
initrd="$4"
disk="$5"
device_id="$6"
type="$7"
[ "$type" != "default" ] &&
case "$kernels" in
gearlock*) title="$title, with ${kernel##*/} - $system" ;;
ab) title="$title - Slot $(case "${kernel}" in *_a) echo A ;; *) echo B ;; esac)" ;;
*) title="$title, with ${kernel##*/}, and ${initrd##*/}" ;;
esac
sub_indent "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option '$OS-${src##*/}-${kernel##*/}-${initrd##*/}-$type-$device_id' {"
save_default_entry | grub_add_tab
# Use ELILO's generic "efifb" when it's known to be available.
# FIXME: We need an interface to select vesafb in case efifb can't be used.
if [ ! "$GRUB_GFXPAYLOAD_LINUX" ]; then
sub_indent " load_video"
grep -qx "CONFIG_FB_EFI=y" "${config}" 2>/dev/null &&
grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2>/dev/null &&
sub_indent " set gfxpayload=keep"
else
[ "$GRUB_GFXPAYLOAD_LINUX" = text ] ||
sub_indent " load_video"
sub_indent " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX"
fi
sub_indent " insmod gzio"
echo "$disk" | sed "s/^/$submenu_indentation /gm"
sub_indent " linux $kernel $GRUB_CMDLINE_ANDROID root=/dev/ram0 SRC=$src"
sub_indent " initrd $initrd"
sub_indent "}
"
}
gen_entry() {
detect=$1
shift
i=1
while read -rd $'\0' arg; do
case $i in
1) device=$arg ;;
2) src=$arg ;;
3) os=$arg ;;
4) kernels=$arg ;;
5) initrds=$arg ;;
6) ucodes=$arg ;;
7) system=$arg ;;
8) data=$arg ;;
*) break ;;
esac
i=$((i + 1))
done < <(sed 's/\xFF0/\xFF\x00/g; s/\xFF\(.\)/\1/g' <<<"$detect")
ucode_list=""
ucode=""
disk="$(prepare_grub_to_access_device "$device")"
boot_device_id="$(grub_get_device_id "$device")"
unset IFS
echo "Found $os on $device" >&2
type=default
MAIN_ENTRY=""
EXTENDED_ENTRIES=""
# Extra indentation to add to menu entries in a submenu. We're not in a submenu
# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
submenu_indentation=""
entry() {
android_entry \
"$os" \
"$src" \
"${src}/${2}" \
"${ucode_list# } ${src}/${3}" \
"$disk" \
"$boot_device_id" \
"$1"
}
parse_to_entry() {
if [ "$type" = "default" ]; then
MAIN_ENTRY="$(entry default "$1" "$2")"
type=extended
submenu_indentation=$grub_tab
fi
EXTENDED_ENTRIES="$EXTENDED_ENTRIES
$(entry extended "$1" "$2")"
}
IFS=","
case "$kernels" in
gearlock*)
for ucode in $ucodes; do
ucode_list="$ucode_list $src/boot/$ucode"
done
if [ "$GRUB_DISABLE_LINUX_UUID" != "true" ]; then
ROOT_DEVICE=$device
ROOT_UUID=$(${grub_probe} --device "$device" --target=fs_uuid 2>/dev/null)
[ "$ROOT_UUID" ] &&
ROOT_DEVICE="UUID=$ROOT_UUID"
fi
old_cmdline=$GRUB_CMDLINE_ANDROID
GRUB_CMDLINE_ANDROID="$GRUB_CMDLINE_ANDROID ROOT=$ROOT_DEVICE SYSTEM=$system DATA=$data GEARLOCK=$kernels"
for kver in $initrds; do
parse_to_entry "boot/kernel-$kver" "boot/initrd-$kver.img"
done
GRUB_CMDLINE_ANDROID=$old_cmdline
;;
ab)
for ucode in $ucodes; do
ucode_list="$ucode_list $src/$ucode"
done
if [ "$GRUB_DISABLE_LINUX_UUID" != "true" ] &&
[ "$GRUB_ENABLE_ANDROID_UUID" = "true" ]; then
ROOT_DEVICE=$device
ROOT_UUID=$(${grub_probe} --device "$device" --target=fs_uuid 2>/dev/null)
[ "$ROOT_UUID" ] &&
ROOT_DEVICE="UUID=$ROOT_UUID"
fi
old_cmdline=$GRUB_CMDLINE_ANDROID
GRUB_CMDLINE_ANDROID="$GRUB_CMDLINE_ANDROID ROOT=$ROOT_DEVICE"
for mode in a b; do
parse_to_entry "kernel_$mode" "initrd_$mode.img"
done
GRUB_CMDLINE_ANDROID=$old_cmdline
;;
*)
for ucode in $ucodes; do
ucode_list="$ucode_list $src/$ucode"
done
for kernel in $kernels; do
for initrd in $initrds; do
parse_to_entry "$kernel" "$initrd"
done
done
;;
esac
unset IFS
cat <<EOF
$MAIN_ENTRY
submenu '$(echo "Advanced options for $os" | grub_quote)' \$menuentry_id_option '$OS-${src##*/}-$type-$boot_device_id' {
$EXTENDED_ENTRIES
}
EOF
}
while read -r detect; do
gen_entry "$detect"
done < <(grub-android-prober)
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