arm-sdk

os build toolkit for various embedded devices
git clone https://git.parazyd.org/arm-sdk
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raspberry-pi2.sh (3124B)

      1 #!/usr/bin/env zsh
      2 # Copyright (c) 2016-2021 Ivan J. <parazyd@dyne.org>
      3 # This file is part of arm-sdk
      4 #
      5 # This source code is free software: you can redistribute it and/or modify
      6 # it under the terms of the GNU General Public License as published by
      7 # the Free Software Foundation, either version 3 of the License, or
      8 # (at your option) any later version.
      9 #
     10 # This software is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with this source code. If not, see <http://www.gnu.org/licenses/>.
     17 
     18 ## kernel build script for Raspberry Pi 2/3 boards
     19 
     20 ## settings & config
     21 vars+=(device_name arch size parted_type parted_boot parted_root bootfs inittab)
     22 vars+=(gitkernel gitbranch rpifirmware)
     23 arrs+=(custmodules)
     24 
     25 device_name="raspi2"
     26 arch="armhf"
     27 size=1891
     28 inittab=("T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100")
     29 
     30 parted_type="dos"
     31 bootfs="vfat"
     32 rootfs="ext4"
     33 dos_boot="fat32 8192s 270335s"
     34 dos_root="$rootfs 270336s 100%"
     35 
     36 extra_packages+=()
     37 custmodules=(snd_bcm2835)
     38 
     39 gitkernel="https://github.com/raspberrypi/linux.git"
     40 gitbranch="rpi-4.16.y"
     41 rpifirmware="https://github.com/raspberrypi/firmware.git"
     42 
     43 
     44 prebuild() {
     45 	fn prebuild
     46 	req=(device_name strapdir)
     47 	ckreq || return 1
     48 
     49 	notice "executing $device_name prebuild"
     50 
     51 	mkdir -p $R/tmp/kernels/$device_name
     52 }
     53 
     54 postbuild() {
     55 	fn postbuild
     56 
     57 	notice "executing $device_name postbuild"
     58 
     59 	copy-root-overlay
     60 	postbuild-clean
     61 }
     62 
     63 build_kernel_armhf() {
     64 	fn build_kernel_armhf
     65 	req=(R arch device_name gitkernel gitbranch rpifirmware)
     66 	req+=(strapdir)
     67 	ckreq || return 1
     68 
     69 	notice "building $arch kernel"
     70 
     71 	prebuild || zerr
     72 
     73 	get-kernel-sources || zerr
     74 	pushd $R/tmp/kernels/$device_name/${device_name}-linux
     75 		# pi2 defconfig
     76 		make \
     77 			$MAKEOPTS \
     78 			ARCH=arm \
     79 			CROSS_COMPILE=$compiler \
     80 				bcm2709_defconfig || zerr
     81 
     82 		# compile kernel and modules
     83 		make \
     84 			$MAKEOPTS \
     85 			ARCH=arm \
     86 			CROSS_COMPILE=$compiler || zerr
     87 
     88 		install-kernel-mods arm || zerr
     89 	popd
     90 
     91 	clone-git "$rpifirmware" "$R/tmp/kernels/$device_name/${device_name}-firmware"
     92 	sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/bootcode.bin "$strapdir/boot/"
     93 	sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/fixup* "$strapdir/boot/"
     94 	sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/start* "$strapdir/boot/"
     95 	sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/COPYING.linux "$strapdir/boot/"
     96 	sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/LICENCE.broadcom "$strapdir/boot/"
     97 
     98 	pushd $R/tmp/kernels/$device_name/${device_name}-linux
     99 		sudo perl scripts/mkknlimg --dtok arch/arm/boot/zImage $strapdir/boot/kernel7.img
    100 		sudo cp arch/arm/boot/dts/bcm*.dtb                 $strapdir/boot/
    101 		sudo cp arch/arm/boot/dts/overlays/*.dtbo          $strapdir/boot/overlays/
    102 		sudo cp arch/arm/boot/dts/overlays/README          $strapdir/boot/overlays/
    103 	popd
    104 
    105 	postbuild || zerr
    106 }