# 拉取镜像
docker pull ubuntu:20.04
# 启动容器
docker run -it --name builder -v $HOME/build/:/data/ ubuntu:20.04 bash

# 更换软件源
cp -a /etc/apt/sources.list /etc/apt/sources.list.bak
sed -i "s@http://.*archive.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list
sed -i "s@http://.*security.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list

# 更新软件包
apt update && apt upgrade -y

# 进入工作目录
cd /data/

# arm64 工具链
# 主页：https://www.linaro.org/downloads/
wget -c https://releases.linaro.org/components/toolchain/binaries/latest-7/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz
# 或者使用镜像
wget -c https://mirrors.tuna.tsinghua.edu.cn/armbian-releases/_toolchains/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu.tar.xz

# 解压工具链
mkdir toolchain
tar xvJf gcc-linaro-*-x86_64_aarch64-linux-gnu.tar.xz -C ./toolchain --strip-components=1

# arm 裸机工具链，主要用于编译 ATF
apt install -y gcc-arm-none-eabi
# 或者自行下载并配置
# 主页：https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads
wget -c https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/9-2020q2/gcc-arm-none-eabi-9-2020-q2-update-x86_64-linux.tar.bz2

# 配置环境变量
export PATH=/data/toolchain/bin:$PATH
# 测试
aarch64-linux-gnu-gcc -v
arm-none-eabi-gcc -v

# 安装辅助工具
apt install -y build-essential libncurses5-dev git make

# 设备树的编译与反编译
apt install -y device-tree-compiler

# dtb => dts
dtc -I dtb -O dts -o tn3399-linux.dts tn3399-linux.dtb
# dts => dtb
dtc -I dts -O dtb -o tn3399-linux.dtb tn3399-linux.dts

# ATF
git clone https://github.com/ARM-software/arm-trusted-firmware.git
cd arm-trusted-firmware

# 编译 ATF
unset BL31
make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3399
# 得到 build/rk3399/release/bl31/bl31.elf
export BL31=/data/arm-trusted-firmware/build/rk3399/release/bl31/bl31.elf

apt install -y bison flex python3 device-tree-compiler bc
git clone https://github.com/u-boot/u-boot.git
cd u-boot

# 修改设备树
cat ../tn3399_v3/config/tn3399-linux.dts > ./arch/arm/dts/rk3399-rock960.dts

# 清理工程
make distclean
# 生成 .config 配置文件
make rock960-rk3399_defconfig
# 或者自定义配置
make menuconfig

# 编译 u-boot
export CROSS_COMPILE=aarch64-linux-gnu-
make -j$(nproc)
# 得到 idbloader.img 和 u-boot.itb
# idbloader.img 是 TPL 和 SPL 的合成文件，前者负责 DDR 初始化，后者负责加载 ATF 和 u-boot
# u-boot.itb 是由 u-boot 和 ATF 合成的 FIT 格式的镜像文件

# 生成 rk3399_loader_v1.xx.xxx.bin
git clone https://github.com/rockchip-linux/rkbin.git
cd rkbin
./tools/boot_merger ./RKBOOT/RK3399MINIALL.ini .

# 用于合并 loader 的工具集
git clone https://github.com/rockchip-linux/rkbin.git

apt install -y bison flex python3 device-tree-compiler bc
git clone -b stable-4.4-rk3399-linux https://github.com/rockchip-linux/u-boot.git
cd u-boot

# 不使用项目指定的工具链
sed -i 's@TOOLCHAIN_ARM32=.*@TOOLCHAIN_ARM32=/@g' ./make.sh
sed -i 's@TOOLCHAIN_ARM64=.*@TOOLCHAIN_ARM64=/@g' ./make.sh
sed -i 's@${absolute_path}/bin/@@g' ./make.sh

# 编译修改过的 u-boot
./make.sh evb-rk3399
# 得到如下文件
rk3399_loader_v1.24.126.bin
trust.img
uboot.img

# 合成 idbloader.img 文件
../rkbin/tools/mkimage -n rk3399 -T rksd -d ../rkbin/bin/rk33/rk3399_ddr_800MHz_v1.24.bin idbloader.img
cat ../rkbin/bin/rk33/rk3399_miniloader_v1.26.bin >> idbloader.img

# 也可以从此项目编译原版 u-boot

apt install -y libssl-dev lzop kmod flex bison
git clone https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

# 或从镜像快速克隆
git clone https://mirrors.tuna.tsinghua.edu.cn/git/linux.git
cd linux
git remote add upstream https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
git fetch upstream

# 切换内核版本
git checkout linux-5.8.y

# 防止版本号后出现 -dirty 等后缀
touch .scmversion

# 修改设备树
cat ../tn3399_v3/config/tn3399-linux.dts > ./arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
sed -i 's/bcm4329-fmac/bcm43455-fmac/g' ./arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi

# 清理工程
make distclean
# 生成 .config 配置文件
make defconfig
# 或者自定义配置
make menuconfig
make savedefconfig

# 编译 kernel
export ARCH=arm64
export CROSS_COMPILE=aarch64-linux-gnu-
make -j$(nproc)
# 得到如下文件
arch/arm64/boot/dts/rockchip/rk3399-rock960.dtb
arch/arm64/boot/Image

# TODO

# 使用 custom_rootfs.sh 定制 rootfs
./scripts/build_rootfs.sh custom

# 按如下目录结构整理编译所得的文件
mkdir -p ./out/{kernel,u-boot}
./out/
├── kernel
│   ├── Image
│   └── tn3399-linux.dtb
├── rootfs
│   └── ...
└── u-boot
    ├── idbloader.img
    ├── trust.img (仅使用 uboot.img 时使用，详见启动流程一节)
    └── u-boot.img / u-boot.itb

# 生成 boot.img
./scripts/build_image.sh boot

# 生成 rootfs.img
./scripts/build_image.sh rootfs

# 生成 system.img
./scripts/build_image.sh system

# -f 查找第一个未使用的设备
# -P 创建带分区的回环设备
sudo losetup -f --show -P system.img

# 查看镜像的分区信息
fdisk -l system.img

# 挂载分区 3
sudo mount /dev/loop0p3 /mnt/
# 另一种方法，$begin 为分区 3 的起点
sudo mount -o loop,offset=$((512 * $begin)) system.img /mnt/

# 在此执行自定义修改命令

# 卸载分区
# 注意：卸载时 shell 不可以处于 /mnt/ 下，否则报错 umount: /mnt: target is busy.
sudo umount /mnt/

# 断开回环设备
sudo losetup -d /dev/loop0

# 断开所有回环设备
sudo losetup -D

# 查看 cmdline
# 将 cmdline 记录在 parameter_gpt.txt 中
adb shell
su
cat /proc/cmdline

# 查看分区表
./rkbin/tools/upgrade_tool pl
# 或
rkdeveloptool ppt

# 备份分区
# 备份文件保存在 ./out/backup 路径下
./scripts/factory_image.sh backup

# 恢复分区
# 从 ./out/backup 路径读取备份进行恢复
# 警告：尚未完成测试
./scripts/factory_image.sh restore ./rk3399_loader_v1.22.119.bin

# sdX 为 sdcard 对应的块设备文件
sudo dd if=system.img of=/dev/sdX bs=4M oflag=sync status=progress

# 解决串口权限问题
sudo usermod -a -G dialout $USER
# 重新登录后生效
reboot

# 安装串口通信软件
sudo apt install -y python3-serial

# 打开串口
miniterm /dev/ttyUSB0 1500000

# 退出 miniterm 快捷键为 Ctrl + ]

# 使用 netplan 配置以太网络
sudo nano /etc/netplan/01-netcfg.yaml

# 配置为动态获取 IP
network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      dhcp4: yes

# 或静态 IP
network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
     dhcp4: no
     addresses: [10.0.0.10/24]
     gateway4: 10.0.0.1
     nameservers:
       addresses: [223.5.5.5,223.6.6.6]

# 应用配置
sudo netplan --debug apply

# WiFi 配置
nmcli dev wifi connect "hotspot-name" password "password"

# 或使用 nmtui 命令图形化修改

sudo apt install -y hostapd isc-dhcp-server

# 配置 hostapd
sudo nano /etc/hostapd/hostapd.conf
interface=wlan0
driver=nl80211
ssid=hostspot-name
macaddr_acl=0
auth_algs=1
#auth_algs=3
ignore_broadcast_ssid=0
hw_mode=g
channel=6
wpa=2
wpa_passphrase=password
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP
#wpa_pairwise=TKIP
#rsn_pairwise=CCMP

# 修改 hostapd 默认配置文件路径
sudo nano /etc/default/hostapd
DAEMON_CONF=/etc/hostapd/hostapd.conf

# 重启 hostapd
sudo service hostapd restart
sudo service hostapd status

# dhcp 配置
sudo nano /etc/dhcp/dhcp.conf
#option domain-name "example.org";
#option domain-name-servers ns1.example.org, ns2.example.org;
authoritative;
subnet 10.0.0.0 netmask 255.255.255.0 {
    range 10.0.0.10 10.0.0.200;
    option broadcast-address 10.0.0.255;
    option routers 10.0.0.1;
    default-lease-time 600;
    max-lease-time 7200;
    option domain-name "local";
    option domain-name-servers 223.5.5.5, 8.8.4.4;
}

# 设置 dhcp 网口
# 不进行操作会出现错误：Not configured to listen on any interfaces!
sudo nano /etc/default/isc-dhcp-server
INTERFACESv4="wlan0"
INTERFACESv6="wlan0"

# 设置 wlan0 地址
# 不进行操作会出现错误：Not configured to listen on any interfaces!
sudo ip addr add 10.0.0.1/24 dev wlan0

# 开启转发
sudo sysctl -w net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -s 10.0.0.1/24 -o eth0 -j MASQUERADE

# 启动 dhcp 服务
sudo service isc-dhcp-server restart
sudo service isc-dhcp-server status

# 此方按创建的 2.4G 热点会出现部分旧设备连接不上
sudo apt install -y dnsmasq
#nmcli dev wifi hotspot ifname wlan0 ssid "hotspot-name" password "password"
nmcli connection add type wifi ifname wlan0 con-name "Hostspot" autoconnect no ssid "hotspot-name"
nmcli connection modify "Hostspot" 802-11-wireless.mode ap 802-11-wireless.band bg ipv4.method shared
nmcli connection modify "Hostspot" wifi-sec.key-mgmt wpa-psk
nmcli connection modify "Hostspot" wifi-sec.psk "password"
nmcli connection up "Hostspot"

# 或使用 nmtui 命令图形化修改

sudo cp -a /etc/apt/sources.list /etc/apt/sources.list.bak
sudo sed -i "s@http://ports.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list

# 安装英文与简体中文语言包
sudo apt install -y language-pack-en language-pack-zh-hans
# 设置本地化
sudo dpkg-reconfigure locales

# 配置时区
sudo apt install -y tzdata
sudo dpkg-reconfigure tzdata
# 同步硬件时间
sudo hwclock -s

sudo apt install -y parted
sudo parted /dev/mmcblk2
unit s
print
resizepart 5 100%
print
Q

sudo resize2fs /dev/mmcblk2p5

sudo apt install gnupg2 -y

# 添加 apt 公钥
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

# 添加软件源
echo "deb [arch=arm64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list

# 安装 docker
sudo apt update && sudo apt install docker-ce -y

# 非 root 用户免 sudo 操作 docker
sudo usermod -aG docker $USER

mmc dev 0
mmc erase 0 2000
reset

# 网卡未启用
ip addr show eth0
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 16:a6:4c:50:54:44 brd ff:ff:ff:ff:ff:ff

# 网卡未被 network-manager
nmcli device
DEVICE  TYPE      STATE      CONNECTION
eth0    ethernet  unmanaged  --
lo      loopback  unmanaged  --

# 使用该命令启用网卡无效
nmcli dev set eth0 managed yes

# 覆盖默认配置
sudo touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf

# 设备树
cat /sys/firmware/fdt > raw.dtb

# 内核编译选项
zcat /proc/config.gz > kernel.config

sudo apt install -y bluez bluez-tools pulseaudio pulseaudio-module-bluetooth

# 查看蓝牙信息
hciconfig

# 使用 bluetoothctl 命令操作蓝牙
# 上电
power on
# 扫描
scan on
# 配对
pair MAC
# 信任
trust MAC
# 连接
connect MAC

# 如果连接时出现 Failed to connect: org.bluez.Error.Failed 可以通过重启 pulseaudio 解决
pulseaudio -k
pulseaudio --start

# 声道测试
speaker-test -c2 -twav

# 查看 PulseAudio 信息
pactl info

# 查看音频输出通道
pactl list sinks

# 设置为默认音频输出通道，通过 TAB 补全后面的名称
pactl set-default-sink bluez_sink.MAC.a2dp_sink