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kali-arm/odroid-c.sh
Arszilla 0dc42eb648 Update and fix odroid-c.sh
2022-08-30 00:04:29 +03:00

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#!/usr/bin/env bash
#
# Kali Linux ARM build-script for ODROID-C0/C1/C1+ (32-bit)
# Source: https://gitlab.com/kalilinux/build-scripts/kali-arm
#
# This is a community script - you will need to generate your own image to use
# More information: https://www.kali.org/docs/arm/odroid-c/
#
# Stop on error
set -e
# Uncomment to activate debug
# debug=true
if [ "$debug" = true ]; then
exec > >(tee -a -i "${0%.*}.log") 2>&1
set -x
fi
# Architecture
architecture=${architecture:-"armhf"}
# Generate a random machine name to be used
machine=$(
tr -cd 'A-Za-z0-9' </dev/urandom | head -c16
echo
)
# Custom hostname variable
hostname=${2:-kali}
# Custom image file name variable - MUST NOT include .img at the end
image_name=${3:-kali-linux-$1-odroid-c}
# Suite to use, valid options are:
# kali-rolling, kali-dev, kali-bleeding-edge, kali-dev-only, kali-experimental, kali-last-snapshot
suite=${suite:-"kali-rolling"}
# Free space rootfs in MiB
free_space="300"
# /boot partition in MiB
bootsize="128"
# Select compression, xz or none
compress="xz"
# Choose filesystem format to format (ext3 or ext4)
fstype="ext3"
# If you have your own preferred mirrors, set them here
mirror=${mirror:-"http://http.kali.org/kali"}
# GitLab URL Kali repository
kaligit="https://gitlab.com/kalilinux"
# GitHub raw URL
githubraw="https://raw.githubusercontent.com"
# Check EUID=0 you can run any binary as root
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root or have super user permissions" >&2
echo "Use: sudo $0 ${1:-2.0} ${2:-kali}" >&2
exit 1
fi
# Pass version number
if [[ $# -eq 0 ]]; then
echo "Please pass version number, e.g. $0 2.0, and (if you want) a hostname, default is kali" >&2
exit 0
fi
# Check exist bsp directory
if [ ! -e "bsp" ]; then
echo "Error: missing bsp directory structure" >&2
echo "Please clone the full repository ${kaligit}/build-scripts/kali-arm" >&2
exit 255
fi
# Current directory
repo_dir="$(pwd)"
# Base directory
base_dir=${repo_dir}/odroidc-"$1"
# Working directory
work_dir="${base_dir}/kali-${architecture}"
# Check directory build
if [ -e "${base_dir}" ]; then
echo "${base_dir} directory exists, will not continue" >&2
exit 1
elif [[ ${repo_dir} =~ [[:space:]] ]]; then
echo "The directory "\"${repo_dir}"\" contains whitespace. Not supported." >&2
exit 1
else
echo "The base_dir thinks it is: ${base_dir}"
mkdir -p ${base_dir}
fi
components="main,contrib,non-free"
arm="kali-linux-arm ntpdate"
base="apt-transport-https apt-utils bash-completion console-setup dialog e2fsprogs \
ifupdown initramfs-tools inxi iw man-db mlocate net-tools netcat-traditional \
parted pciutils psmisc rfkill screen tmux unrar usbutils vim wget whiptail zerofree"
desktop="kali-desktop-xfce kali-root-login xfonts-terminus xinput \
xserver-xorg-video-fbdev"
tools="kali-linux-default"
services="apache2 atftpd"
extras="alsa-utils bc bison bluez bluez-firmware fbset kali-linux-core \
libnss-systemd libssl-dev triggerhappy"
packages="${arm} ${base} ${services}"
# Automatic configuration to use an http proxy, such as apt-cacher-ng
# You can turn off automatic settings by uncommenting apt_cacher=off
# apt_cacher=off
# By default the proxy settings are local, but you can define an external proxy
# proxy_url="http://external.intranet.local"
apt_cacher=${apt_cacher:-"$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')"}
if [ -n "$proxy_url" ]; then
export http_proxy=$proxy_url
elif [ "$apt_cacher" = "apt-cacher-ng" ]; then
if [ -z "$proxy_url" ]; then
proxy_url=${proxy_url:-"http://127.0.0.1:3142/"}
export http_proxy=$proxy_url
fi
fi
# Detect architecture
if [[ "${architecture}" == "arm64" ]]; then
qemu_bin="/usr/bin/qemu-aarch64-static"
lib_arch="aarch64-linux-gnu"
elif [[ "${architecture}" == "armhf" ]]; then
qemu_bin="/usr/bin/qemu-arm-static"
lib_arch="arm-linux-gnueabihf"
elif [[ "${architecture}" == "armel" ]]; then
qemu_bin="/usr/bin/qemu-arm-static"
lib_arch="arm-linux-gnueabi"
fi
# create the rootfs - not much to modify here, except maybe throw in some more packages if you want
eatmydata debootstrap --foreign \
--keyring=/usr/share/keyrings/kali-archive-keyring.gpg \
--include=kali-archive-keyring,eatmydata \
--components=${components} \
--arch ${architecture} ${suite} ${work_dir} http://http.kali.org/kali
# systemd-nspawn environment
systemd-nspawn_exec() {
LANG=C systemd-nspawn -q --bind-ro ${qemu_bin} -M ${machine} -D ${work_dir} "$@"
}
# We need to manually extract eatmydata to use it for the second stage
for archive in ${work_dir}/var/cache/apt/archives/*eatmydata*.deb; do
dpkg-deb --fsys-tarfile "$archive" >${work_dir}/eatmydata
tar -xkf ${work_dir}/eatmydata -C ${work_dir}
rm -f ${work_dir}/eatmydata
done
# Prepare dpkg to use eatmydata
systemd-nspawn_exec dpkg-divert --divert /usr/bin/dpkg-eatmydata --rename --add /usr/bin/dpkg
cat >${work_dir}/usr/bin/dpkg <<EOF
#!/bin/sh
if [ -e /usr/lib/${lib_arch}/libeatmydata.so ]; then
[ -n "\${LD_PRELOAD}" ] && LD_PRELOAD="\$LD_PRELOAD:"
LD_PRELOAD="\$LD_PRELOAD\$so"
fi
for so in /usr/lib/${lib_arch}/libeatmydata.so; do
[ -n "\$LD_PRELOAD" ] && LD_PRELOAD="\$LD_PRELOAD:"
LD_PRELOAD="\$LD_PRELOAD\$so"
done
export LD_PRELOAD
exec "\$0-eatmydata" --force-unsafe-io "\$@"
EOF
chmod 0755 ${work_dir}/usr/bin/dpkg
# debootstrap second stage
systemd-nspawn_exec eatmydata /debootstrap/debootstrap --second-stage
cat <<EOF >${work_dir}/etc/apt/sources.list
deb ${mirror} ${suite} ${components//,/ }
#deb-src ${mirror} ${suite} ${components//,/ }
EOF
# Set hostname
echo "${hostname}" >${work_dir}/etc/hostname
# So X doesn't complain, we add kali to hosts
cat <<EOF >${work_dir}/etc/hosts
127.0.0.1 ${hostname} localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
EOF
# Disable IPv6
cat <<EOF >${work_dir}/etc/modprobe.d/ipv6.conf
# Don't load ipv6 by default
alias net-pf-10 off
EOF
cat <<EOF >${work_dir}/etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
allow-hotplug eth0
iface eth0 inet dhcp
EOF
# DNS server
echo "nameserver ${nameserver}" >"${work_dir}"/etc/resolv.conf
# Copy directory bsp into build dir
cp -rp bsp ${work_dir}
export MALLOC_CHECK_=0 # workaround for LP: #520465
# Enable the use of http proxy in third-stage in case it is enabled
if [ -n "$proxy_url" ]; then
echo "Acquire::http { Proxy \"$proxy_url\" };" >${work_dir}/etc/apt/apt.conf.d/66proxy
fi
# Third stage
cat <<EOF >${work_dir}/third-stage
#!/bin/bash -e
export DEBIAN_FRONTEND=noninteractive
eatmydata apt-get update
eatmydata apt-get -y install binutils ca-certificates console-common git initramfs-tools less locales nano u-boot-tools
# Create kali user with kali password... but first, we need to manually make some groups because they don't yet exist..
# This mirrors what we have on a pre-installed VM, until the script works properly to allow end users to set up their own... user
# However we leave off floppy, because who a) still uses them, and b) attaches them to an SBC!?
# And since a lot of these have serial devices of some sort, dialout is added as well
# scanner, lpadmin and bluetooth have to be added manually because they don't
# yet exist in /etc/group at this point
groupadd -r -g 118 bluetooth
groupadd -r -g 113 lpadmin
groupadd -r -g 122 scanner
groupadd -g 1000 kali
useradd -m -u 1000 -g 1000 -G sudo,audio,bluetooth,cdrom,dialout,dip,lpadmin,netdev,plugdev,scanner,video,kali -s /bin/bash kali
echo "kali:kali" | chpasswd
aptops="--allow-change-held-packages -o dpkg::options::=--force-confnew -o Acquire::Retries=3"
# This looks weird, but we do it twice because every so often, there's a failure to download from the mirror
# So to workaround it, we attempt to install them twice
eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install
eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install
eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install
eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install
eatmydata apt-get install -y \$aptops --autoremove systemd-timesyncd || eatmydata apt-get --yes --fix-broken install
eatmydata apt-get dist-upgrade -y \$aptops
eatmydata apt-get -y --allow-change-held-packages --purge autoremove
# Linux console/Keyboard configuration
echo 'console-common console-data/keymap/policy select Select keymap from full list' | debconf-set-selections
echo 'console-common console-data/keymap/full select en-latin1-nodeadkeys' | debconf-set-selections
# Copy all services
install -m644 /bsp/services/all/*.service /etc/systemd/system/
install -m644 /bsp/services/odroid-c2/*.service /etc/systemd/system/
# Create symlink to enable the service..
ln -sf /etc/systemd/system/amlogic.service /etc/systemd/system/multi-user.target.wants/amlogic.service
# Regenerated the shared-mime-info database on the first boot
# since it fails to do so properly in a chroot
systemctl enable smi-hack
# Enable sshd
systemctl enable ssh
# Allow users to use NM over ssh
install -m644 /bsp/polkit/10-NetworkManager.pkla /var/lib/polkit-1/localauthority/50-local.d
cd /root
apt download -o APT::Sandbox::User=root ca-certificates 2>/dev/null
# Copy bashrc
cp /etc/skel/.bashrc /root/.bashrc
# Set a REGDOMAIN. This needs to be done or wireless doesn't work correctly on the RPi 3B+
sed -i -e 's/REGDOM.*/REGDOMAIN=00/g' /etc/default/crda
# Enable login over serial
echo 'T1:12345:respawn:/sbin/agetty 115200 ttyS0 vt100' >> /etc/inittab
# Try and make the console a bit nicer
# Set the terminus font for a bit nicer display
sed -i -e 's/FONTFACE=.*/FONTFACE="Terminus"/' /etc/default/console-setup
sed -i -e 's/FONTSIZE=.*/FONTSIZE="6x12"/' /etc/default/console-setup
# Fix startup time from 5 minutes to 15 secs on raise interface wlan0
sed -i 's/^TimeoutStartSec=5min/TimeoutStartSec=15/g' "/usr/lib/systemd/system/networking.service"
rm -f /usr/bin/dpkg
EOF
# Run third stage
chmod 0755 ${work_dir}/third-stage
systemd-nspawn_exec /third-stage
# Clean up eatmydata
systemd-nspawn_exec dpkg-divert --remove --rename /usr/bin/dpkg
# Clean system
systemd-nspawn_exec <<'EOF'
rm -f /0
rm -rf /bsp
fc-cache -frs
rm -rf /tmp/*
rm -rf /etc/*-
rm -rf /hs_err*
rm -rf /userland
rm -rf /opt/vc/src
rm -f /etc/ssh/ssh_host_*
rm -rf /var/lib/dpkg/*-old
rm -rf /var/lib/apt/lists/*
rm -rf /var/cache/apt/*.bin
rm -rf /var/cache/apt/archives/*
rm -rf /var/cache/debconf/*.data-old
for logs in $(find /var/log -type f); do > $logs; done
history -c
EOF
# Disable the use of http proxy in case it is enabled
if [ -n "$proxy_url" ]; then
unset http_proxy
rm -rf ${work_dir}/etc/apt/apt.conf.d/66proxy
fi
# Mirror & suite replacement
if [[ ! -z "${4}" || ! -z "${5}" ]]; then
mirror=${4}
suite=${5}
fi
# Define sources.list
cat <<EOF >${work_dir}/etc/apt/sources.list
deb ${mirror} ${suite} ${components//,/ }
#deb-src ${mirror} ${suite} ${components//,/ }
EOF
# Clone an older cross compiler to build the older u-boot/kernel
cd "${base_dir}"
git clone --depth 1 https://gitlab.com/kalilinux/packages/gcc-arm-linux-gnueabihf-4-7.git gcc-arm-linux-gnueabihf-4.7
# Kernel section. If you want to use a custom kernel, or configuration, replace
# them in this section
git clone --depth 1 https://github.com/hardkernel/linux -b odroidc-3.10.y ${work_dir}/usr/src/kernel
cd ${work_dir}/usr/src/kernel
git rev-parse HEAD >${work_dir}/usr/src/kernel-at-commit
touch .scmversion
export ARCH=arm
# NOTE: 3.8 now works with a 4.8 compiler, 3.4 does not!
export CROSS_COMPILE="${base_dir}"/gcc-arm-linux-gnueabihf-4.7/bin/arm-linux-gnueabihf-
patch -p1 --no-backup-if-mismatch <${repo_dir}/patches/mac80211-backports.patch
patch -p1 --no-backup-if-mismatch <${repo_dir}/patches/0001-wireless-carl9170-Enable-sniffer-mode-promisc-flag-t.patch
make odroidc_defconfig
cp .config ../odroidc.config
make -j $(grep -c processor /proc/cpuinfo)
make uImage
make modules_install INSTALL_MOD_PATH=${work_dir}
cp arch/arm/boot/uImage ${work_dir}/boot/
cp arch/arm/boot/dts/meson8b_odroidc.dtb ${work_dir}/boot/
make mrproper
cp ../odroidc.config .config
cd "${base_dir}"
# Fix up the symlink for building external modules
# kernver is used so we don't need to keep track of what the current compiled
# version is
kernver=$(ls ${work_dir}/lib/modules/)
cd ${work_dir}/lib/modules/${kernver}
rm build
rm source
ln -s /usr/src/kernel build
ln -s /usr/src/kernel source
cd "${base_dir}"
# Create a boot.ini file with possible options if people want to change them
cat <<EOF >${work_dir}/boot/boot.ini
ODROIDC-UBOOT-CONFIG
# Possible screen resolutions
# Uncomment only a single Line! The line with setenv written
# At least one mode must be selected
# setenv m "vga" # 640x480
# setenv m "480p" # 720x480
# setenv m "576p" # 720x576
# setenv m "800x480p60hz" # 800x480
# setenv m "800x600p60hz" # 800x600
# setenv m "1024x600p60hz" # 1024x600
# setenv m "1024x768p60hz" # 1024x768
# setenv m "1360x768p60hz" # 1360x768
# setenv m "1440x900p60hz" # 1440x900
# setenv m "1600x900p60hz" # 1600x900
# setenv m "1680x1050p60hz" # 1680x1050
# setenv m "720p" # 720p 1280x720
# setenv m "800p" # 1280x800
# setenv m "sxga" # 1280x1024
# setenv m "1080i50hz" # 1080I@50Hz
# setenv m "1080p24hz" # 1080P@24Hz
# setenv m "1080p50hz" # 1080P@50Hz
setenv m "1080p" # 1080P@60Hz
# setenv m "1920x1200" # 1920x1200
# HDMI DVI Mode Configuration
setenv vout_mode "hdmi"
# setenv vout_mode "dvi"
# setenv vout_mode "vga"
# HDMI BPP Mode
setenv m_bpp "32"
# setenv m_bpp "24"
# setenv m_bpp "16"
# HDMI Hotplug Force (HPD)
# 1 = Enables HOTPlug Detection
# 0 = Disables HOTPlug Detection and force the connected status
setenv hpd "0"
# CEC Enable/Disable (Requires Hardware Modification)
# 1 = Enables HDMI CEC
# 0 = Disables HDMI CEC
setenv cec "0"
# PCM5102 I2S Audio DAC
# PCM5102 is an I2S Audio Dac Addon board for ODROID-C1+
# Uncomment the line below to __ENABLE__ support for this Addon board
# setenv enabledac "enabledac"
# UHS Card Configuration
# Uncomment the line below to __DISABLE__ UHS-1 MicroSD support
# This might break boot for some brand models of cards
setenv disableuhs "disableuhs"
# Disable VPU (Video decoding engine, Saves RAM!!!)
# 0 = disabled
# 1 = enabled
setenv vpu "1"
# Disable HDMI Output (Again, saves ram!)
# 0 = disabled
# 1 = enabled
setenv hdmioutput "1"
# Default Console Device Setting
# setenv condev "console=ttyS0,115200n8" # on serial port
# setenv condev "console=tty0" # on display (HDMI)
setenv condev "console=tty0 console=ttyS0,115200n8" # on both
###########################################
if test "\${hpd}" = "0"; then setenv hdmi_hpd "disablehpd=true"; fi
if test "\${cec}" = "1"; then setenv hdmi_cec "hdmitx=cecf"; fi
# Boot Arguments
setenv bootargs "root=/dev/mmcblk0p2 rootfstype=$fstype quiet rootwait rw \${condev} no_console_suspend vdaccfg=0xa000 logo=osd1,loaded,0x7900000,720p,full dmfc=3 cvbsmode=576cvbs hdmimode=\${m} m_bpp=\${m_bpp} vout=\${vout_mode} \${disableuhs} \${hdmi_hpd} \${hdmi_cec} \${enabledac} net.ifnames=0"
# Booting
fatload mmc 0:1 0x21000000 uImage
fatload mmc 0:1 0x22000000 uInitrd
fatload mmc 0:1 0x21800000 meson8b_odroidc.dtb
fdt addr 21800000
if test "\${vpu}" = "0"; then fdt rm /mesonstream; fdt rm /vdec; fdt rm /ppmgr; fi
if test "\${hdmioutput}" = "0"; then fdt rm /mesonfb; fi
# If you're going to use an initrd, uncomment this line and comment out the bottom line
#bootm 0x21000000 0x22000000 0x21800000"
bootm 0x21000000 - 0x21800000"
EOF
cat <<EOF >${work_dir}/usr/bin/amlogic.sh
#!/bin/sh
for x in \$(cat /proc/cmdline); do
case \${x} in
m_bpp=*)
export bpp=\${x#*=}
;;
hdmimode=*)
export mode=\${x#*=}
;;
esac
done
HPD_STATE=/sys/class/amhdmitx/amhdmitx0/hpd_state
DISP_CAP=/sys/class/amhdmitx/amhdmitx0/disp_cap
DISP_MODE=/sys/class/display/mode
hdmi=\`cat \$HPD_STATE\`
if [ \$hdmi -eq 1 ]; then
echo \$mode > \$DISP_MODE
fi
outputmode=\$mode
common_display_setup() {
fbset -fb /dev/fb1 -g 32 32 32 32 32
echo \$outputmode > /sys/class/display/mode
echo 0 > /sys/class/ppmgr/ppscaler
echo 0 > /sys/class/graphics/fb0/free_scale
echo 1 > /sys/class/graphics/fb0/freescale_mode
case \$outputmode in
800x480*)
M="0 0 799 479"
;;
vga*)
M="0 0 639 749"
;;
800x600p60*)
M="0 0 799 599"
;;
1024x600p60h*)
M="0 0 1023 599"
;;
1024x768p60h*)
M="0 0 1023 767"
;;
sxga*)
M="0 0 1279 1023"
;;
1440x900p60*)
M="0 0 1439 899"
;;
480*)
M="0 0 719 479"
;;
576*)
M="0 0 719 575"
;;
720*)
M="0 0 1279 719"
;;
800*)
M="0 0 1279 799"
;;
1080*)
M="0 0 1919 1079"
;;
1920x1200*)
M="0 0 1919 1199"
;;
1680x1050p60*)
M="0 0 1679 1049"
;;
1360x768p60*)
M="0 0 1359 767"
;;
1366x768p60*)
M="0 0 1365 767"
;;
1600x900p60*)
M="0 0 1599 899"
;;
esac
echo \$M > /sys/class/graphics/fb0/free_scale_axis
echo \$M > /sys/class/graphics/fb0/window_axis
echo 0x10001 > /sys/class/graphics/fb0/free_scale
echo 0 > /sys/class/graphics/fb1/free_scale
}
case \$mode in
800x480*)
fbset -fb /dev/fb0 -g 800 480 800 960 \$bpp
common_display_setup
;;
vga*)
fbset -fb /dev/fb0 -g 640 480 640 960 \$bpp
common_display_setup
;;
480*)
fbset -fb /dev/fb0 -g 720 480 720 960 \$bpp
common_display_setup
;;
800x600p60*)
fbset -fb /dev/fb0 -g 800 600 800 1200 \$bpp
common_display_setup
;;
576*)
fbset -fb /dev/fb0 -g 720 576 720 1152 \$bpp
common_display_setup
;;
1024x600p60h*)
fbset -fb /dev/fb0 -g 1024 600 1024 1200 \$bpp
common_display_setup
;;
1024x768p60h*)
fbset -fb /dev/fb0 -g 1024 768 1024 1536 \$bpp
common_display_setup
;;
720*)
fbset -fb /dev/fb0 -g 1280 720 1280 1440 \$bpp
common_display_setup
;;
800*)
fbset -fb /dev/fb0 -g 1280 800 1280 1600 \$bpp
common_display_setup
;;
sxga*)
fbset -fb /dev/fb0 -g 1280 1024 1280 2048 \$bpp
common_display_setup
;;
1440x900p60*)
fbset -fb /dev/fb0 -g 1440 900 1440 1800 \$bpp
common_display_setup
;;
1080*)
fbset -fb /dev/fb0 -g 1920 1080 1920 2160 \$bpp
common_display_setup
;;
1920x1200*)
fbset -fb /dev/fb0 -g 1920 1200 1920 2400 \$bpp
common_display_setup
;;
1360x768p60*)
fbset -fb /dev/fb0 -g 1360 768 1360 1536 \$bpp
common_display_setup
;;
1366x768p60*)
fbset -fb /dev/fb0 -g 1366 768 1366 1536 \$bpp
common_display_setup
;;
1600x900p60*)
fbset -fb /dev/fb0 -g 1600 900 1600 1800 \$bpp
common_display_setup
;;
1680x1050p60*)
fbset -fb /dev/fb0 -g 1680 1050 1680 2100 \$bpp
common_display_setup
;;
esac
# Console unblack
echo 0 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb1/blank
# Network Tweaks. Thanks to mlinuxguy
echo 32768 > /proc/sys/net/core/rps_sock_flow_entries
echo 2048 > /sys/class/net/eth0/queues/rx-0/rps_flow_cnt
echo 7 > /sys/class/net/eth0/queues/rx-0/rps_cpus
echo 7 > /sys/class/net/eth0/queues/tx-0/xps_cpus
# Move IRQ's of ethernet to CPU1/2
echo 1,2 > /proc/irq/40/smp_affinity_list
EOF
chmod 0755 ${work_dir}/usr/bin/amlogic.sh
cat <<EOF >${work_dir}/etc/sysctl.d/99-c1-network.conf
net.core.rmem_max = 26214400
net.core.wmem_max = 26214400
net.core.rmem_default = 514400
net.core.wmem_default = 514400
net.ipv4.tcp_rmem = 10240 87380 26214400
net.ipv4.tcp_wmem = 10240 87380 26214400
net.ipv4.udp_rmem_min = 131072
net.ipv4.udp_wmem_min = 131072
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_sack = 1
net.core.optmem_max = 65535
net.core.netdev_max_backlog = 5000
EOF
cd ${repo_dir}
# Calculate the space to create the image
root_size=$(du -s -B1 ${work_dir} --exclude=${work_dir}/boot | cut -f1)
root_extra=$((${root_size} / 1024 / 1000 * 5 * 1024 / 5))
raw_size=$(($((${free_space} * 1024)) + ${root_extra} + $((${bootsize} * 1024)) + 4096))
# Create the disk and partition it
echo "Creating image file ${image_name}.img"
fallocate -l $(echo ${raw_size}Ki | numfmt --from=iec-i --to=si) "${image_dir}/${image_name}.img"
parted -s "${image_dir}/${image_name}.img" mklabel msdos
parted -s "${image_dir}/${image_name}.img" mkpart primary fat32 4MiB ${bootsize}MiB
parted -s -a minimal "${image_dir}/${image_name}.img" mkpart primary $fstype ${bootsize}MiB 100%
# Set the partition variables
loopdevice=$(losetup -f --show ${repo_dir}/${image_name}.img)
device=$(kpartx -va ${loopdevice} | sed 's/.*\(loop[0-9]\+\)p.*/\1/g' | head -1)
sleep 5
device="/dev/mapper/${device}"
bootp=${device}p1
rootp=${device}p2
# Create file systems
mkfs.vfat -n BOOT ${bootp}
if [[ $fstype == ext4 ]]; then
features="-O ^64bit,^metadata_csum"
elif [[ $fstype == ext3 ]]; then
features="-O ^64bit"
fi
mkfs $features -t $fstype -L ROOTFS ${rootp}
# Create the dirs for the partitions and mount them
mkdir -p "${base_dir}"/root
mount ${rootp} "${base_dir}"/root
mkdir -p "${base_dir}"/root/boot
mount ${bootp} "${base_dir}"/root/boot
# We do this down here to get rid of the build system's resolv.conf after running through the build
echo "nameserver ${nameserver}" >"${work_dir}"/etc/resolv.conf
# Create an fstab so that we don't mount / read-only
UUID=$(blkid -s UUID -o value ${rootp})
echo "UUID=$UUID / $fstype errors=remount-ro 0 1" >>${work_dir}/etc/fstab
echo "Rsyncing rootfs into image file"
rsync -HPavz -q ${work_dir}/ ${base_dir}/root/
# Unmount partitions
sync
umount ${bootp}
umount ${rootp}
kpartx -dv ${loopdevice}
cd ${base_dir}
# Build the latest u-boot bootloader, and then use the Hardkernel script to fuse
# it to the image. This is required because of a requirement that the
# bootloader be signed
git clone --depth 1 https://github.com/hardkernel/u-boot -b odroidc-v2011.03
cd ${base_dir}/u-boot
# https://code.google.com/p/chromium/issues/detail?id=213120
sed -i -e "s/soft-float/float-abi=hard -mfpu=vfpv3/g" arch/arm/cpu/armv7/config.mk
make CROSS_COMPILE="${base_dir}"/gcc-arm-linux-gnueabihf-4.7/bin/arm-linux-gnueabihf- odroidc_config
make CROSS_COMPILE="${base_dir}"/gcc-arm-linux-gnueabihf-4.7/bin/arm-linux-gnueabihf- -j $(grep -c processor /proc/cpuinfo)
cd sd_fuse
sh sd_fusing.sh ${loopdevice}
cd "${base_dir}"
losetup -d ${loopdevice}
# Limit CPU function
limit_cpu() {
# Random name group
rand=$(
tr -cd 'A-Za-z0-9' </dev/urandom | head -c4
echo
)
cgcreate -g cpu:/cpulimit-${rand} # Name of group cpulimit
cgset -r cpu.shares=800 cpulimit-${rand} # Max 1024
cgset -r cpu.cfs_quota_us=80000 cpulimit-${rand} # Max 100000
# Retry command
local n=1
local max=5
local delay=2
while true; do
cgexec -g cpu:cpulimit-${rand} "$@" && break || {
if [[ $n -lt $max ]]; then
((n++))
echo -e "\e[31m Command failed. Attempt $n/$max \033[0m"
sleep $delay
else
echo "The command has failed after $n attempts."
break
fi
}
done
}
if [ $compress = xz ]; then
if [ $(arch) == 'x86_64' ]; then
echo "Compressing ${image_name}.img"
[ $(nproc) -lt 3 ] || cpu_cores=3 # cpu_cores = Number of cores to use
limit_cpu pixz -p ${cpu_cores:-2} "${image_dir}/${image_name}.img" # -p Nº cpu cores use
chmod 0644 ${repo_dir}/${image_name}.img.xz
fi
else
chmod 0644 "${image_dir}/${image_name}.img"
fi
# Clean up all the temporary build stuff and remove the directories
# Comment this out to keep things around if you want to see what may have gone wrong
echo "Clean up the build system"
rm -rf "${base_dir}"
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