arm-sdk/boards/raspberry-pi3.sh

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#!/usr/bin/env zsh
# Copyright (c) 2016-2020 Dyne.org Foundation
# arm-sdk is written and maintained by Ivan J. <parazyd@dyne.org>
#
# This file is part of arm-sdk
#
# This source code 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.
#
# This software 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 this source code. If not, see <http://www.gnu.org/licenses/>.
## kernel build script for Raspberry Pi 3 boards
## settings & config
vars+=(device_name arch size parted_type parted_boot parted_root bootfs inittab)
vars+=(gitkernel gitbranch rpifirmware)
arrs+=(custmodules)
device_name="raspi3"
arch="arm64"
size=1891
inittab=("T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100")
parted_type="dos"
bootfs="vfat"
rootfs="ext4"
dos_boot="$bootfs 2048s 264191s"
dos_root="$rootfs 264192s 100%"
extra_packages+=()
custmodules=(snd_bcm2835)
gitkernel="https://github.com/raspberrypi/linux"
gitbranch="rpi-4.16.y"
rpifirmware="https://github.com/raspberrypi/firmware.git"
prebuild() {
fn prebuild
req=(device_name strapdir)
ckreq || return 1
notice "executing $device_name prebuild"
mkdir -p $R/tmp/kernels/$device_name
}
postbuild() {
fn postbuild
notice "executing $device_name postbuild"
copy-root-overlay
postbuild-clean
}
build_kernel_arm64() {
fn build_kernel_armhf
req=(R arch device_name gitkernel gitbranch rpifirmware)
req+=(strapdir)
ckreq || return 1
notice "building $arch kernel"
prebuild || zerr
get-kernel-sources || zerr
pushd $R/tmp/kernels/$device_name/${device_name}-linux
# pi3 defconfig
make \
$MAKEOPTS \
ARCH=arm64 \
CROSS_COMPILE=$compiler \
bcmrpi3_defconfig || zerr
# compile kernel and modules
make \
$MAKEOPTS \
ARCH=arm64 \
CROSS_COMPILE=$compiler || zerr
# install kernel modules
sudo -E PATH="$PATH" \
make \
$MAKEOPTS \
ARCH=arm64 \
CROSS_COMPILE=$compiler \
INSTALL_MOD_PATH=$strapdir \
modules_install || zerr
popd
clone-git "$rpifirmware" "$R/tmp/kernels/$device_name/${device_name}-firmware"
sudo cp -rf $R/tmp/kernels/$device_name/${device_name}-firmware/boot/* $strapdir/boot/
pushd $R/tmp/kernels/$device_name/${device_name}-linux
# sudo perl scripts/mkknlimg --dtok arch/arm64/boot/Image.gz $strapdir/boot/kernel8.img
sudo cp arch/arm64/boot/Image $strapdir/boot/kernel8.img
sudo cp arch/arm64/boot/dts/broadcom/bcm*.dtb $strapdir/boot/
sudo cp arch/arm64/boot/dts/overlays/*.dtbo $strapdir/boot/overlays/
sudo cp arch/arm64/boot/dts/overlays/README $strapdir/boot/overlays/
popd
postbuild || zerr
}