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debian12-rootfs.md

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Build Debian12 RootFS

Prepare Linux Kernel Image Debian Package

./doc/build/linux-kernel-6.1.70-zynqmp-fpga-generic.md

Setup parameters

shell$ sudo apt install qemu-user-static debootstrap binfmt-support
shell$ export targetdir=debian12-rootfs
shell$ export distro=bookworm

Build Debian RootFS first-step in $targetdir(=debian12-rootfs)

shell$ mkdir                                                                                        $PWD/$targetdir
shell$ sudo chown root                                                                              $PWD/$targetdir
shell$ sudo debootstrap --arch=arm64 --foreign $distro                                              $PWD/$targetdir
shell$ sudo cp /usr/bin/qemu-aarch64-static                                                         $PWD/$targetdir/usr/bin
shell$ sudo cp /etc/resolv.conf                                                                     $PWD/$targetdir/etc
shell$ sudo cp scripts/build-debian12-rootfs-with-qemu.sh                                           $PWD/$targetdir
shell$ sudo cp debian/linux-image-6.1.70-zynqmp-fpga-generic_6.1.70-zynqmp-fpga-generic-2_arm64.deb $PWD/$targetdir

If you get an error like the following, debootstrap does not yet support bookworm in your environment.

shell$ sudo debootstrap --arch=arm64 --foreign $distro $PWD/$targetdir
E: No such script: /usr/share/debootstrap/scripts/bookworm

Please install a debootstrap that does not support bookworm as follows

shell$ sudo dpkg -i debian/debootstrap_1.0.128+nmu2_all.deb

Build Debian RootFS second-step with QEMU

Change Root to debian12-rootfs
shell$ sudo chroot $PWD/$targetdir

There are two ways

  1. run build-debian12-rootfs-with-qemu.sh (easy)
  2. run this chapter step-by-step (annoying)
Run debootstrap second stage
debian12-rootfs# distro=bookworm
debian12-rootfs# export LANG=C
debian12-rootfs# /debootstrap/debootstrap --second-stage
Setup APT
debian12-rootfs# cat <<EOT > /etc/apt/sources.list
deb     http://ftp.jp.debian.org/debian  bookworm           main contrib non-free non-free-firmware
deb-src http://ftp.jp.debian.org/debian  bookworm           main contrib non-free non-free-firmware
deb     http://ftp.jp.debian.org/debian  bookworm-updates   main contrib non-free non-free-firmware
deb-src http://ftp.jp.debian.org/debian  bookworm-updates   main contrib non-free non-free-firmware
deb     http://security.debian.org       bookworm-security  main contrib non-free non-free-firmware
deb-src http://security.debian.org       bookworm-security  main contrib non-free non-free-firmware
EOT
debian12-rootfs# cat <<EOT > /etc/apt/apt.conf.d/71-no-recommends
APT::Install-Recommends "0";
APT::Install-Suggests   "0";
EOT
debian12-rootfs# apt update -y
debian12-rootfs# apt upgrade -y
Install applications
debian12-rootfs# apt install -y locales dialog
debian12-rootfs# dpkg-reconfigure locales
debian12-rootfs# apt install -y net-tools openssh-server ntpdate resolvconf sudo less hwinfo ntp tcsh zsh file wget

please select "97. en_US.UTF-8 UTF-8" and "2. C.UTF-8"

Setup hostname
debian12-rootfs# echo debian-fpga > /etc/hostname
Setup root password
debian12-rootfs# passwd

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

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

debian12-rootfs# cat <<EOT >> /etc/securetty
# Serial Port for Xilinx ZynqMP
ttyPS0
ttyPS1
EOT
Add a new guest user
debian12-rootfs# adduser fpga

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

debian12-rootfs# apt install -y sudo
debian12-rootfs# echo "fpga ALL=(ALL:ALL) ALL" > /etc/sudoers.d/fpga
Setup sshd config
debian12-rootfs# apt install -y ssh
debian12-rootfs# sed -i -e 's/#PasswordAuthentication/PasswordAuthentication/g' /etc/ssh/sshd_config
Setup Time Zone
debian12-rootfs# dpkg-reconfigure tzdata

or if noninteractive set to Asia/Tokyo

debian12-rootfs# echo "Asia/Tokyo" > /etc/timezone
debian12-rootfs# dpkg-reconfigure -f noninteractive tzdata
Setup fstab
debian12-rootfs# cat <<EOT > /etc/fstab
none		/config		configfs	defaults	0	0
EOT
Setup Network
debian12-rootfs# apt install -y ifupdown
debian12-rootfs# cat <<EOT > /etc/network/interfaces.d/eth0
allow-hotplug eth0
iface eth0 inet dhcp
EOT
Setup /lib/firmware
debian12-rootfs# mkdir /lib/firmware
debian11-rootfs# mkdir /lib/firmware/ti-connectivity
debian11-rootfs# mkdir /lib/firmware/mchp
Install Development applications
debian12-rootfs# apt install -y build-essential
debian12-rootfs# apt install -y git git-lfs
debian12-rootfs# apt install -y u-boot-tools device-tree-compiler
debian12-rootfs# apt install -y libssl-dev
debian12-rootfs# apt install -y socat
debian12-rootfs# apt install -y ruby rake ruby-msgpack ruby-serialport 
debian12-rootfs# apt install -y python3 python3-dev python3-setuptools python3-wheel python3-pip python3-numpy
debian12-rootfs# apt install -y flex bison pkg-config
debian12-rootfs# apt install -y file dosfstools

Install Wireless tools and firmware

debian12-rootfs# apt install -y wireless-tools
debian12-rootfs# apt install -y wpasupplicant
debian12-rootfs# apt install -y firmware-realtek
debian12-rootfs# apt install -y firmware-ralink

Note: If the version of wl18xx-fw-4.bin is 8.9.1.0.0 or later, it will not work, so use 8.9.0.0.90.

debian12-rootfs# git clone git://git.ti.com/wilink8-wlan/wl18xx_fw.git
debian12-rootfs# cd wl18xx_fw && git checkout d2588c16809ecca8e0dc7ea011fc6180c7b08a92 && cd ..
debian12-rootfs# cp wl18xx_fw/wl18xx-fw-4.bin /lib/firmware/ti-connectivity
debian12-rootfs# rm -rf wl18xx_fw/
debian12-rootfs# git clone git://git.ti.com/wilink8-bt/ti-bt-firmware
debian12-rootfs# cp ti-bt-firmware/TIInit_11.8.32.bts /lib/firmware/ti-connectivity
debian12-rootfs# rm -rf ti-bt-firmware
debian12-rootfs# git clone /~https://github.com/linux4wilc/firmware  linux4wilc-firmware  
debian12-rootfs# cp linux4wilc-firmware/*.bin /lib/firmware/mchp
debian12-rootfs# rm -rf linux4wilc-firmware
Install Other applications
debian12-rootfs# apt install -y samba
debian12-rootfs# apt install -y avahi-daemon
Install haveged for Linux Kernel 4.19
debian12-rootfs# apt install -y haveged
Install Linux Modules
debian12-rootfs# mkdir /mnt/boot
debian12-rootfs# dpkg -i linux-image-6.1.70-zynqmp-fpga-generic_6.1.70-zynqmp-fpga-generic-2_arm64.deb
Clean APT Cache
debian12-rootfs# apt clean
Create Debian Package List
debian12-rootfs# dpkg -l > dpkg-list.txt
Finish
debian12-rootfs# exit
shell$ sudo rm -f $PWD/$targetdir/usr/bin/qemu-aarch64-static
shell$ sudo rm -f $PWD/$targetdir/build-debian12-rootfs-with-qemu.sh
shell$ sudo rm -f $PWD/$targetdir/linux-image-6.1.70-zynqmp-fpga-generic_6.1.70-zynqmp-fpga-generic-2_arm64.deb
shell$ sudo mv    $PWD/$targetdir/dpkg-list.txt files/debian12-dpkg-list.txt
Clean User Directory on pip build
shell$ sudo rm -rf $PWD/$targetdir/home/$USERNAME

Build debian12-rootfs-vanilla.tgz

shell$ cd $PWD/$targetdir
shell$ sudo tar cfz ../debian12-rootfs-vanilla.tgz *
shell$ cd ..

Build debian12-rootfs-vanilla.tgz.files

shell$ mkdir debian12-rootfs-vanilla.tgz.files
shell$ cd    debian12-rootfs-vanilla.tgz.files
shell$ split -d --bytes=40M ../debian12-rootfs-vanilla.tgz
shell$ cd ..