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debian10-rootfs.md

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Build Debian10 RootFS

Setup parameters

shell$ apt-get install qemu-user-static debootstrap binfmt-support
shell$ export targetdir=debian10-rootfs
shell$ export distro=buster

Build the root file system in $targetdir(=debian10-rootfs)

shell$ mkdir $targetdir
shell$ sudo debootstrap --arch=arm64 --foreign $distro     $targetdir
shell$ sudo cp /usr/bin/qemu-aarch64-static                $targetdir/usr/bin
shell$ sudo cp /etc/resolv.conf                            $targetdir/etc
shell$ sudo cp scripts/build-debian10-rootfs-with-qemu.sh  $targetdir
shell$ sudo cp linux-image-4.19.0-xlnx-v2019.2-zynqmp-fpga_4.19.0-xlnx-v2019.2-zynqmp-fpga-2_arm64.deb $targetdir

Build debian10-rootfs with QEMU

Change Root to debian10-rootfs

shell$ sudo chroot $targetdir

There are two ways

  1. run build-debian10-rootfs-with-qemu.sh (easy)
  2. run this chapter step-by-step (annoying)

Setup APT

debian10-rootfs# distro=buster
debian10-rootfs# export LANG=C
debian10-rootfs# /debootstrap/debootstrap --second-stage
debian10-rootfs# cat <<EOT > /etc/apt/sources.list
deb     http://ftp.jp.debian.org/debian            buster         main contrib non-free
deb-src http://ftp.jp.debian.org/debian            buster         main contrib non-free
deb     http://ftp.jp.debian.org/debian            buster-updates main contrib non-free
deb-src http://ftp.jp.debian.org/debian            buster-updates main contrib non-free
deb     http://security.debian.org/debian-security buster/updates main contrib non-free
deb-src http://security.debian.org/debian-security buster/updates main contrib non-free
EOT
debian10-rootfs# cat <<EOT > /etc/apt/apt.conf.d/71-no-recommends
APT::Install-Recommends "0";
APT::Install-Suggests   "0";
EOT
debian10-rootfs# apt-get update

Install applications

debian10-rootfs# apt-get install -y locales dialog
debian10-rootfs# dpkg-reconfigure locales
debian10-rootfs# apt-get install -y net-tools openssh-server ntpdate resolvconf sudo less hwinfo ntp tcsh zsh file

Setup hostname

debian10-rootfs# echo debian-fpga > /etc/hostname

Setup root password

debian10-rootfs# passwd

This time, we set the "admin" at the root' password.

To be able to login as root from Zynq serial port.

debian10-rootfs# cat <<EOT >> /etc/securetty
# Seral Port for Xilinx Zynq
ttyPS0
EOT

Add a new guest user

debian10-rootfs# adduser fpga

This time, we set the "fpga" at the fpga'password.

debian10-rootfs# echo "fpga ALL=(ALL:ALL) ALL" > /etc/sudoers.d/fpga

Setup sshd config

debian10-rootfs# sed -i -e 's/#PasswordAuthentication/PasswordAuthentication/g' /etc/ssh/sshd_config

Setup Time Zone

debian10-rootfs# dpkg-reconfigure tzdata

or if noninteractive set to Asia/Tokyo

debian10-rootfs# echo "Asia/Tokyo" > /etc/timezone
debian10-rootfs# dpkg-reconfigure -f noninteractive tzdata

Setup fstab

debian10-rootfs# cat <<EOT > /etc/fstab
none		/config		configfs	defaults	0	0
EOT

Setup Network Interface

debian10-rootfs# cat <<EOT > /etc/network/interfaces.d/eth0
allow-hotplug eth0
iface eth0 inet dhcp
EOT

Setup /lib/firmware

debian10-rootfs# mkdir /lib/firmware
debian10-rootfs# mkdir /lib/firmware/ti-connectivity
debian10-rootfs# mkdir /lib/firmware/mchp

Install Development applications

debian10-rootfs# apt-get install -y build-essential
debian10-rootfs# apt-get install -y pkg-config
debian10-rootfs# apt-get install -y git
debian10-rootfs# apt-get install -y u-boot-tools
debian10-rootfs# apt-get install -y libssl-dev
debian10-rootfs# apt-get install -y socat
debian10-rootfs# apt-get install -y ruby rake ruby-msgpack ruby-serialport
debian10-rootfs# apt-get install -y python  python-dev  python-setuptools  python-wheel  python-pip
debian10-rootfs# apt-get install -y python3 python3-dev python3-setuptools python3-wheel python3-pip
debian10-rootfs# apt-get install -y python-numpy python3-numpy
debian10-rootfs# pip3 install msgpack-rpc-python
debian10-rootfs# apt-get install -y flex bison
debian10-rootfs# apt-get install -y device-tree-compiler

Install Wireless tools and firmware

debian10-rootfs# apt-get install -y wireless-tools
debian10-rootfs# apt-get install -y wpasupplicant
debian10-rootfs# apt-get install -y firmware-realtek
debian10-rootfs# apt-get install -y firmware-ralink
debian10-rootfs# git clone git://git.ti.com/wilink8-wlan/wl18xx_fw.git
debian10-rootfs# cp wl18xx_fw/wl18xx-fw-4.bin /lib/firmware/ti-connectivity
debian10-rootfs# rm -rf wl18xx_fw/
debian10-rootfs# git clone git://git.ti.com/wilink8-bt/ti-bt-firmware
debian10-rootfs# cp ti-bt-firmware/TIInit_11.8.32.bts /lib/firmware/ti-connectivity
debian10-rootfs# rm -rf ti-bt-firmware
debian10-rootfs# git clone git://github.com/linux4wilc/firmware  linux4wilc-firmware  
debian10-rootfs# cp linux4wilc-firmware/*.bin /lib/firmware/mchp
debian10-rootfs# rm -rf linux4wilc-firmware

Install Other applications

debian10-rootfs# apt-get install -y samba
debian10-rootfs# apt-get install -y avahi-daemon

Install haveged for Linux Kernel 4.19

debian10-rootfs# apt-get install -y haveged

Install Linux Modules

debian10-rootfs# dpkg -i linux-image-4.19.0-xlnx-v2019.2-zynqmp-fpga_4.19.0-xlnx-v2019.2-zynqmp-fpga-2_arm64.deb

Clean Cache

debian10-rootfs# apt-get clean

Create Debian Package List

debian10-rootfs# dpkg -l > dpkg-list.txt

Finish

debian10-rootfs# exit
shell$ sudo rm -f $targetdir/usr/bin/qemu-aarch64-static
shell$ sudo rm -f $targetdir/build-debian10-rootfs-with-qemu.sh
shell$ sudo rm -f $targetdir/linux-image-4.19.0-xlnx-v2019.2-zynqmp-fpga_4.19.0-xlnx-v2019.2-zynqmp-fpga-2_arm64.deb
shell$ sudo mv    $targetdir/dpkg-list.txt files/debian10-dpkg-list.txt

Build debian10-rootfs-vanilla.tgz

shell$ cd $targetdir
shell$ sudo find . -type s | sed 's/^\.\///' > ../sockets-to-exclude
shell$ sudo tar cfz ../debian10-rootfs-vanilla.tgz -X ../sockets-to-exclude *