From 00d5cb6d93566a131ab9201efe9d51b8b7101c14 Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Sun, 15 May 2016 21:39:39 +0200 Subject: [PATCH] Initial checkin. --- COPYING | 339 +++++++++++++++++++++++++++++++++++++++++++++++++++++ README | 15 +++ mkimage.sh | 189 +++++++++++++++++++++++++++++ 3 files changed, 543 insertions(+) create mode 100644 COPYING create mode 100644 README create mode 100755 mkimage.sh diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program 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 2 of the License, or + (at your option) any later version. + + This program 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 program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/README b/README new file mode 100644 index 0000000..ef3febb --- /dev/null +++ b/README @@ -0,0 +1,15 @@ +These are images for the ODROID XU3/XU4, built as close as possible +to unmodified Debian. They will only be updated every now and then, +so if you want something current, run the script to build them yourself. +The image is signed with my GnuPG key; you can find the key in the +Debian keyring. + +The prebuilt images are made for 1GB cards, so they should fit onto +pretty much any modern SD card. + +Prebuilt images: https://storage.sesse.net/debian-xu4/ +ODROID forum thread: http://forum.odroid.com/viewtopic.php?f=96&t=21256 +Latest version of the build script: https://git.sesse.net/?p=debian-xu4;a=blob_plain;f=mkimage.sh;hb=HEAD +git repository for the build script: https://git.sesse.net/?p=debian-xu4 + + - Steinar H. Gunderson diff --git a/mkimage.sh b/mkimage.sh new file mode 100755 index 0000000..f2d0e5d --- /dev/null +++ b/mkimage.sh @@ -0,0 +1,189 @@ +#! /bin/sh + +# Install a bog-standard Debian bootable for ODROID XU3/XU4. +# Note that this will only work for SD cards; MMC devices +# have a different layout. See +# /usr/share/doc/u-boot-exynos/README.odroid.gz for more details. +# +# Note: You will need u-boot-exynos >= 2016.05~rc3+dfsg1-1, +# which at the time of writing is in experimental (it will +# probably eventually hit stretch). +# +# Beware: This will ERASE ALL DATA on the target SD card. +# +# +# Copyright 2016 Steinar H. Gunderson . +# Licensed under the GNU GPL, v2 or (at your option) any later version. + +set -e +set -x + +DEVICE=$1 +BOOTPART_MB=$2 + +if [ ! -b "$DEVICE" ] || [ ! "$BOOTPART_MB" -gt 0 ]; then + echo "Usage: $0 DEVICE BOOTPARTITION_SIZE [SUITE [OTHER_DEBOOTSTRAP_ARGS...]]" + echo "DEVICE is an SD card device, e.g. /dev/sdb." + exit 1 +fi +shift 2 + +SUITE=$1 +if [ -z "$SUITE" ]; then + # Sorry, jessie won't work; the kernel doesn't support XU3/XU4. + SUITE=stretch +else + shift +fi + +# Prerequisites. +dpkg --add-architecture armhf +apt update +apt install git parted dosfstools e2fsprogs binfmt-support qemu qemu-user-static debootstrap zerofree u-boot-exynos:armhf + +# Get first stages of bootloader. (BL1 must be signed by Hardkernel, +# and TZSW comes without source anyway, so we can't build these ourselves) +# This is the only part that doesn't strictly need root. +if [ ! -d u-boot ]; then + git clone https://github.com/hardkernel/u-boot -b odroidxu3-v2012.07 +fi + +# Partition the device. +parted ${DEVICE} mklabel msdos +parted ${DEVICE} mkpart primary fat32 2MB $(( BOOTPART_MB + 2 ))MB +parted ${DEVICE} set 1 boot on +parted ${DEVICE} mkpart primary ext2 $(( BOOTPART_MB + 2))MB 100% + +# Figure out if the partitions are of type ${DEVICE}1 or ${DEVICE}p1. +if [ -b "${DEVICE}1" ]; then + DEVICE_STEM=${DEVICE} +elif [ -b "${DEVICE}p1" ]; then + DEVICE_STEM=${DEVICE}p +else + echo "Could not find device files for partitions of ${DEVICE}. Exiting." + exit 1 +fi + +# Put the different stages of U-Boot into the right place. +# The offsets come from README.odroid.gz. +dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl1.bin.hardkernel of=${DEVICE} seek=1 conv=sync +dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/bl2.bin.hardkernel.1mb_uboot of=${DEVICE} seek=31 conv=sync +dd if=/usr/lib/u-boot/odroid-xu3/u-boot-dtb.bin of=${DEVICE} seek=63 conv=sync +dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/tzsw.bin.hardkernel of=${DEVICE} seek=2111 conv=sync + +# Clear out the environment. +dd if=/dev/zero of=${DEVICE} seek=2560 count=32 bs=512 conv=sync + +# Create a /boot partition. Strictly speaking, almost everything could be loaded +# from ext4, but using FAT is somehow traditional and less likely to be broken +# at any given time. (It doesn't support symlinks, though, which breaks flash-kernel, +# but we don't use that anyway.) +mkfs.vfat -F 32 ${DEVICE_STEM}1 + +# Put an LVM on the other partition; it's easier to deal with when expanding +# partitions or otherwise moving them around. +vgchange -a n odroid || true # Could be left around from a previous copy of the partition. +pvcreate -ff ${DEVICE_STEM}2 +vgcreate odroid ${DEVICE_STEM}2 +lvcreate -l 100%FREE -n root odroid + +# And the main filesystem. +mkfs.ext4 /dev/odroid/root + +# Mount the filesystem and debootstrap into it. +# isc-dhcp-client is, of course, not necessarily required, especially as +# systemd-networkd is included and can do networking just fine, but most people +# will probably find it very frustrating to install packages without it. +mkdir -p /mnt/xu4/ +mount /dev/odroid/root /mnt/xu4 +mkdir /mnt/xu4/boot/ +mount ${DEVICE_STEM}1 /mnt/xu4/boot +debootstrap --include=linux-image-armmp-lpae,grub-efi-arm,lvm2,isc-dhcp-client --foreign --arch armhf ${SUITE} /mnt/xu4 "$@" + +# Run the second stage debootstrap under qemu (via binfmt_misc). +cp /usr/bin/qemu-arm-static /mnt/xu4/usr/bin/ +DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot /mnt/xu4 /debootstrap/debootstrap --second-stage +DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot /mnt/xu4 dpkg --configure -a + +# Enable security updates, and apply any that might be waiting. +if [ "$SUITE" != "unstable" ] && [ "$SUITE" != "sid" ]; then + echo "deb http://security.debian.org $SUITE/updates main" >> /mnt/xu4/etc/apt/sources.list + DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot /mnt/xu4 apt update + DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot /mnt/xu4 apt dist-upgrade +fi + +# Create an fstab (this is normally done by partconf, in d-i). +BOOT_UUID=$( blkid -s UUID -o value ${DEVICE_STEM}1 ) +cat < /mnt/xu4/etc/fstab +# /etc/fstab: static file system information. +# +# Use 'blkid' to print the universally unique identifier for a +# device; this may be used with UUID= as a more robust way to name devices +# that works even if disks are added and removed. See fstab(5). +# +# +/dev/odroid/root / ext4 errors=remount-ro 0 1 +UUID=${BOOT_UUID} /boot vfat defaults 0 2 +EOF + +# Set a hostname. +echo odroid > /mnt/xu4/etc/hostname + +# Work around Debian bug #824391. +echo ttySAC2 >> /mnt/xu4/etc/securetty + +# Install GRUB, chainloaded from U-Boot via UEFI. +mount --bind /dev /mnt/xu4/dev +mount --bind /proc /mnt/xu4/proc +chroot /mnt/xu4 /usr/sbin/grub-install --removable --target=arm-efi --boot-directory=/boot --efi-directory=/boot + +# Get the device tree in place (we need it to load GRUB). +# flash-kernel can do this (if you also have u-boot-tools installed), +# but it also includes its own boot script (which has higher priority than +# GRUB) and just seems to lock up. +cp $( find /mnt/xu4 -name exynos5422-odroidxu4.dtb ) /mnt/xu4/boot/ + +# update-grub does not add “devicetree” statements for the +# each kernel (not that it's copied from /usr/lib without +# flash-kernel anyway), so we need to explicitly load it +# ourselves. See Debian bug #824399. +cat < /mnt/xu4/etc/grub.d/25_devicetree +#! /bin/sh +set -e + +# Hack added by prepare.sh when building the root image, +# to work around Debian bug #824399. +echo "echo 'Loading device tree ...'" +echo "devicetree /exynos5422-odroidxu4.dtb" +EOF +chmod 0755 /mnt/xu4/etc/grub.d/25_devicetree + +# Work around Debian bug #823552. +sed -i 's/\(GRUB_CMDLINE_LINUX_DEFAULT=".*\)"/\1 loglevel=4"/' /mnt/xu4/etc/default/grub + +# Now we can create the GRUB boot menu. +chroot /mnt/xu4 /usr/sbin/update-grub + +# Set the root password. (It should be okay to have a dumb one as default, +# since there's no ssh by default. Yet, it would be nice to have a way +# to ask on first boot, or better yet, invoke debian-installer after boot.) +echo root:odroid | chroot /mnt/xu4 /usr/sbin/chpasswd + +# Zero any unused blocks on /boot, for better packing if we are to compress the +# filesystem and publish it somewhere. (See below for the root device.) +echo 'Please ignore the following error about full disk.' +dd if=/dev/zero of=/mnt/xu4/boot/zerofill bs=1M || true +rm -f /mnt/xu4/boot/zerofill + +# All done, clean up. +rm /mnt/xu4/usr/bin/qemu-arm-static +umount /mnt/xu4/dev +umount /mnt/xu4/proc +umount /mnt/xu4/boot +umount /mnt/xu4 + +# The root file system is ext4, so we can use zerofree, which is +# supposedly faster than dd-ing a zero file onto it. +zerofree -v /dev/odroid/root + +vgchange -a n odroid -- 2.39.2