PrawnOS-nonfree/scripts/buildNewKernelIntoFS.sh

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#!/bin/sh -xe
# This file is part of PrawnOS (http://www.prawnos.com)
# Copyright (c) 2018 Hal Emmerich <hal@halemmerich.com>
# PrawnOS is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# as published by the Free Software Foundation.
# PrawnOS 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 PrawnOS. If not, see <https://www.gnu.org/licenses/>.
KVER=4.17.2
outmnt=$(mktemp -d -p `pwd`)
outdev=/dev/loop7
build_resources=resources/BuildResources
#A hacky way to ensure the loops are properly unmounted and the temp files are properly deleted.
#Without this, a reboot is sometimes required to properly clean the loop devices and ensure a clean build
cleanup() {
set +e
umount -l $outmnt > /dev/null 2>&1
rmdir $outmnt > /dev/null 2>&1
losetup -d $outdev > /dev/null 2>&1
set +e
umount -l $outmnt > /dev/null 2>&1
rmdir $outmnt > /dev/null 2>&1
losetup -d $outdev > /dev/null 2>&1
}
trap cleanup INT TERM EXIT
#Mount the build filesystem image
losetup -P $outdev PrawnOS-*-c201-libre-2GB*
mount -o noatime ${outdev}p2 $outmnt
# put the kernel in the kernel partition, modules in /lib/modules and AR9271
# firmware in /lib/firmware
dd if=$build_resources/blank_kernel of=${outdev}p1 conv=notrunc
dd if=build/linux-$KVER/vmlinux.kpart of=${outdev}p1 conv=notrunc
make -C build/linux-$KVER ARCH=arm INSTALL_MOD_PATH=$outmnt modules_install
rm -f $outmnt/lib/modules/3.14.0/{build,source}
install -D -m 644 build/open-ath9k-htc-firmware/target_firmware/htc_9271.fw $outmnt/lib/firmware/ath9k_htc/htc_9271-1.4.0.fw
umount -l $outmnt > /dev/null 2>&1
rmdir $outmnt > /dev/null 2>&1
losetup -d $outdev > /dev/null 2>&1
echo "DONE!"
trap - INT TERM EXIT