Notes

Install Debian Server on Xiaomi Phone

红米note4x刷成debian服务器

参考链接:

Pmbootstrap 相关:
https://wiki.postmarketos.org/wiki/Xiaomi_Redmi_Note_4_(xiaomi-mido)
https://wiki.postmarketos.org/wiki/Installation
https://wiki.postmarketos.org/wiki/Pmbootstrap

参考博客:
https://blog.csdn.net/github_38345754/article/details/114291930
https://forum.renegade-project.tech/t/835-845-855-uefi-archlinux/2497
https://forum.renegade-project.tech/t/835-845-855-uefi-ubuntu-rootfs/2891
https://www.knightli.com/2023/08/09/随身wif-idebian-固件编译/

参考项目:
https://github.com/umeiko/KlipperPhonesLinux
https://gitee.com/meiziyang2023/hm2-ubuntu-ports

参考视频:
https://www.bilibili.com/video/BV15N4y127mN/
https://www.bilibili.com/video/BV13G411Y7u4/

名词解释:
https://wiki.postmarketos.org/wiki/Glossary

源码下载

  1. mainline

https://github.com/msm8953-mainline/linux

注意下载打包后的, 而不是main仓库, 版本选择 6.7.5-r0

  1. 内核编译配置文件

https://gitlab.com/postmarketOS/pmaports/-/blob/master/device/community/linux-postmarketos-qcom-msm8953/config-postmarketos-qcom-msm8953.aarch64?ref_type=heads

或者 https://github.com/umeiko/KlipperPhonesLinux/tree/main/LinuxKernels/msm8953

  1. 开源驱动

https://gitlab.com/postmarketOS/pmaports/-/blob/master/device/community/firmware-xiaomi-mido/APKBUILD?ref_type=heads

找到这个下载地址

https://github.com/Kiciuk/proprietary_firmware_mido

或者从pom中提取

或者 https://github.com/umeiko/KlipperPhonesLinux/tree/main/LinuxKernels/msm8953

依赖安装

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sudo apt-get install cpio
sudo apt install avrdude gcc-avr binutils-avr avr-libc stm32flash libnewlib-arm-none-eabi gcc-arm-none-eabi binutils-arm-none-eabi pkg-config
sudo apt install binfmt-support qemu-user-static gcc-10-aarch64-linux-gnu kernel-package fakeroot simg2img img2simg mkbootimg bison

编译内核

内核编译配置

下载 config-postmarketos-qcom-msm8953.aarch64, 用check-kernel-config.sh脚本进行处理

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mv config-postmarketos-qcom-msm8953.aarch64 config
./check-kernel-config.sh config -w

# 复制到linux文件夹中
cp config linux/.config

# 设置环境变量
source ./env.sh
echo $ARCH

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# check-kernel-config.sh
#!/bin/bash

FILE=$1

[ -f "$FILE" ] || {
	echo "Provide a config file as argument"
	exit
}

write=false

if [ "$2" = "-w" ]; then
	write=true
fi

CONFIGS_ON="
CONFIG_IKCONFIG
CONFIG_CPUSETS
CONFIG_AUTOFS4_FS
CONFIG_TMPFS_XATTR
CONFIG_TMPFS_POSIX_ACL
CONFIG_CGROUP_DEVICE
CONFIG_CGROUP_MEM_RES_CTLR
CONFIG_CGROUP_MEM_RES_CTLR_SWAP
CONFIG_CGROUP_MEM_RES_CTLR_KMEM
CONFIG_RTC_DRV_CMOS
CONFIG_BLK_CGROUP
CONFIG_CGROUP_PERF
CONFIG_IKCONFIG_PROC
CONFIG_SYSVIPC
CONFIG_CGROUPS
CONFIG_CGROUP_FREEZER
CONFIG_NAMESPACES
CONFIG_UTS_NS
CONFIG_IPC_NS
CONFIG_USER_NS
CONFIG_PID_NS
CONFIG_NET_NS
CONFIG_AUDIT
CONFIG_AUDITSYSCALL
CONFIG_AUDIT_TREE
CONFIG_AUDIT_WATCH
CONFIG_CC_STACKPROTECTOR
CONFIG_DEBUG_RODATA
CONFIG_DEVTMPFS
CONFIG_DEVTMPFS_MOUNT
CONFIG_DEVPTS_MULTIPLE_INSTANCES
CONFIG_ECRYPT_FS
CONFIG_ECRYPT_FS_MESSAGING
CONFIG_ENCRYPTED_KEYS
CONFIG_EXT4_FS_POSIX_ACL
CONFIG_EXT4_FS_SECURITY
CONFIG_FSNOTIFY
CONFIG_DNOTIFY
CONFIG_INOTIFY_USER
CONFIG_FANOTIFY
CONFIG_FANOTIFY_ACCESS_PERMISSIONS
CONFIG_KEYS
CONFIG_SWAP
CONFIG_VT
CONFIG_VT_CONSOLE
CONFIG_SECCOMP
CONFIG_STRICT_DEVMEM
CONFIG_SYN_COOKIES
CONFIG_BT
CONFIG_BT_RFCOMM
CONFIG_BT_RFCOMM_TTY
CONFIG_BT_BNEP
CONFIG_BT_BNEP_MC_FILTER
CONFIG_BT_BNEP_PROTO_FILTER
CONFIG_BT_HIDP
CONFIG_XFRM_USER
CONFIG_NET_KEY
CONFIG_INET
CONFIG_IP_ADVANCED_ROUTER
CONFIG_IP_MULTIPLE_TABLES
CONFIG_INET_AH
CONFIG_INET_ESP
CONFIG_INET_IPCOMP
CONFIG_INET_XFRM_MODE_TRANSPORT
CONFIG_INET_XFRM_MODE_TUNNEL
CONFIG_INET_XFRM_MODE_BEET
CONFIG_IPV6
CONFIG_INET6_AH
CONFIG_INET6_ESP
CONFIG_INET6_IPCOMP
CONFIG_INET6_XFRM_MODE_TRANSPORT
CONFIG_INET6_XFRM_MODE_TUNNEL
CONFIG_INET6_XFRM_MODE_BEET
CONFIG_IPV6_MULTIPLE_TABLES
CONFIG_NETFILTER
CONFIG_NETFILTER_ADVANCED
CONFIG_NETFILTER_NETLINK
CONFIG_NETFILTER_NETLINK_ACCT
CONFIG_NETFILTER_NETLINK_LOG
CONFIG_NETFILTER_NETLINK_QUEUE
CONFIG_NETFILTER_TPROXY
CONFIG_NETFILTER_XTABLES
CONFIG_NETFILTER_XT_CONNMARK
CONFIG_NETFILTER_XT_MARK
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE
CONFIG_NETFILTER_XT_MATCH_CLUSTER
CONFIG_NETFILTER_XT_MATCH_COMMENT
CONFIG_NETFILTER_XT_MATCH_CONNBYTES
CONFIG_NETFILTER_XT_MATCH_CONNLIMIT
CONFIG_NETFILTER_XT_MATCH_CONNMARK
CONFIG_NETFILTER_XT_MATCH_CONNTRACK
CONFIG_NETFILTER_XT_MATCH_CPU
CONFIG_NETFILTER_XT_MATCH_DCCP
CONFIG_NETFILTER_XT_MATCH_DEVGROUP
CONFIG_NETFILTER_XT_MATCH_DSCP
CONFIG_NETFILTER_XT_MATCH_ECN
CONFIG_NETFILTER_XT_MATCH_ESP
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT
CONFIG_NETFILTER_XT_MATCH_HELPER
CONFIG_NETFILTER_XT_MATCH_HL
CONFIG_NETFILTER_XT_MATCH_IPRANGE
CONFIG_NETFILTER_XT_MATCH_LENGTH
CONFIG_NETFILTER_XT_MATCH_LIMIT
CONFIG_NETFILTER_XT_MATCH_MAC
CONFIG_NETFILTER_XT_MATCH_MARK
CONFIG_NETFILTER_XT_MATCH_MULTIPORT
CONFIG_NETFILTER_XT_MATCH_NFACCT
CONFIG_NETFILTER_XT_MATCH_OSF
CONFIG_NETFILTER_XT_MATCH_OWNER
CONFIG_NETFILTER_XT_MATCH_PKTTYPE
CONFIG_NETFILTER_XT_MATCH_POLICY
CONFIG_NETFILTER_XT_MATCH_QUOTA
CONFIG_NETFILTER_XT_MATCH_QUOTA2
CONFIG_NETFILTER_XT_MATCH_RATEEST
CONFIG_NETFILTER_XT_MATCH_REALM
CONFIG_NETFILTER_XT_MATCH_RECENT
CONFIG_NETFILTER_XT_MATCH_SCTP
CONFIG_NETFILTER_XT_MATCH_SOCKET
CONFIG_NETFILTER_XT_MATCH_STATE
CONFIG_NETFILTER_XT_MATCH_STATISTIC
CONFIG_NETFILTER_XT_MATCH_STRING
CONFIG_NETFILTER_XT_MATCH_TCPMSS
CONFIG_NETFILTER_XT_MATCH_TIME
CONFIG_NETFILTER_XT_MATCH_U32
CONFIG_NETFILTER_XT_TARGET_AUDIT
CONFIG_NETFILTER_XT_TARGET_CHECKSUM
CONFIG_NETFILTER_XT_TARGET_CLASSIFY
CONFIG_NETFILTER_XT_TARGET_CONNMARK
CONFIG_NETFILTER_XT_TARGET_CONNSECMARK
CONFIG_NETFILTER_XT_TARGET_CT
CONFIG_NETFILTER_XT_TARGET_DSCP
CONFIG_NETFILTER_XT_TARGET_HL
CONFIG_NETFILTER_XT_TARGET_IDLETIMER
CONFIG_NETFILTER_XT_TARGET_LED
CONFIG_NETFILTER_XT_TARGET_LOG
CONFIG_NETFILTER_XT_TARGET_MARK
CONFIG_NETFILTER_XT_TARGET_NFLOG
CONFIG_NETFILTER_XT_TARGET_NFQUEUE
CONFIG_NETFILTER_XT_TARGET_NOTRACK
CONFIG_NETFILTER_XT_TARGET_RATEEST
CONFIG_NETFILTER_XT_TARGET_SECMARK
CONFIG_NETFILTER_XT_TARGET_TCPMSS
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP
CONFIG_NETFILTER_XT_TARGET_TEE
CONFIG_NETFILTER_XT_TARGET_TPROXY
CONFIG_NETFILTER_XT_TARGET_TRACE
CONFIG_NF_CONNTRACK_ZONES
CONFIG_IP6_NF_FILTER
CONFIG_IP6_NF_IPTABLES
CONFIG_IP6_NF_MANGLE
CONFIG_IP6_NF_MATCH_AH
CONFIG_IP6_NF_MATCH_EUI64
CONFIG_IP6_NF_MATCH_FRAG
CONFIG_IP6_NF_MATCH_HL
CONFIG_IP6_NF_MATCH_IPV6HEADER
CONFIG_IP6_NF_MATCH_MH
CONFIG_IP6_NF_MATCH_OPTS
CONFIG_IP6_NF_MATCH_RPFILTER
CONFIG_IP6_NF_MATCH_RT
CONFIG_IP6_NF_QUEUE
CONFIG_IP6_NF_RAW
CONFIG_IP6_NF_SECURITY
CONFIG_IP6_NF_TARGET_HL
CONFIG_IP6_NF_TARGET_REJECT
CONFIG_IP6_NF_TARGET_REJECT_SKERR
CONFIG_DNS_RESOLVER
CONFIG_IOSCHED_DEADLINE
CONFIG_SUSPEND_TIME
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS
CONFIG_CONSOLE_TRANSLATIONS
CONFIG_EVM
CONFIG_INTEGRITY_SIGNATURE
CONFIG_FHANDLE
CONFIG_EPOLL
CONFIG_SIGNALFD
CONFIG_TIMERFD
CONFIG_TMPFS_POSIX_ACL
"

CONFIGS_OFF="
"
CONFIGS_EQ="
"

ered() {
	echo -e "\033[31m" $@
}

egreen() {
	echo -e "\033[32m" $@
}

ewhite() {
	echo -e "\033[37m" $@
}

echo -e "\n\nChecking config file for Halium specific config options.\n\n"

errors=0
fixes=0

for c in $CONFIGS_ON $CONFIGS_OFF;do
	cnt=`grep -w -c $c $FILE`
	if [ $cnt -gt 1 ];then
		ered "$c appears more than once in the config file, fix this"
		errors=$((errors+1))
	fi

	if [ $cnt -eq 0 ];then
		if $write ; then
			ewhite "Creating $c"
			echo "# $c is not set" >> "$FILE"
			fixes=$((fixes+1))
		else
			ered "$c is neither enabled nor disabled in the config file"
			errors=$((errors+1))
		fi
	fi
done

for c in $CONFIGS_ON;do
	if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
		egreen "$c is already set"
	else
		if $write ; then
			ewhite "Setting $c"
			sed  -i "s,# $c is not set,$c=y," "$FILE"
			fixes=$((fixes+1))
		else
			ered "$c is not set, set it"
			errors=$((errors+1))
		fi
	fi
done

for c in $CONFIGS_EQ;do
	lhs=$(awk -F= '{ print $1 }' <(echo $c))
	rhs=$(awk -F= '{ print $2 }' <(echo $c))
	if grep "^$c" "$FILE" >/dev/null;then
		egreen "$c is already set correctly."
		continue
	elif grep "^$lhs" "$FILE" >/dev/null;then
		cur=$(awk -F= '{ print $2 }' <(grep "$lhs" "$FILE"))
		ered "$lhs is set, but to $cur not $rhs."
		if $write ; then
			egreen "Setting $c correctly"
			sed -i 's,^'"$lhs"'.*,# '"$lhs"' was '"$cur"'\n'"$c"',' "$FILE"
			fixes=$((fixes+1))
		fi
	else
		if $write ; then
			ewhite "Setting $c"
			echo  "$c" >> "$FILE"
			fixes=$((fixes+1))
		else
			ered "$c is not set"
			errors=$((errors+1))
		fi
	fi
done

for c in $CONFIGS_OFF;do
	if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
		if $write ; then
			ewhite "Unsetting $c"
			sed  -i "s,$c=.*,# $c is not set," $FILE
			fixes=$((fixes+1))
		else
			ered "$c is set, unset it"
			errors=$((errors+1))
		fi
	else
		egreen "$c is already unset"
	fi
done

if [ $errors -eq 0 ];then
	egreen "\n\nConfig file checked, found no errors.\n\n"
else
	ered "\n\nConfig file checked, found $errors errors that I did not fix.\n\n"
fi

if [ $fixes -gt 0 ];then
	egreen "Made $fixes fixes.\n\n"
fi

ewhite " "

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# env.sh
export CROSS_COMPILE=aarch64-linux-gnu-
export ARCH=arm64
export CC=aarch64-linux-gnu-gcc

开始编译

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cd linux
# 添加内核组件, 如smb支持的cifs
make menuconfig

# debian 不支持内核模块压缩
Enable loadable module support --> Module compression mode (None) --〉

# 修改名称 LOCALVERSION

# 如果需要smb挂载, 同样需要在内核中开启,搜索 cifs utf8 并开启
# 如果要开启串口登录: CONFIG_USB_GADGET CONFIG_USB_G_SERIAL CONFIG_SERIAL_8250  CONFIG_SERIAL_8250_CONSOLE
# usb 接键盘 CONFIG_USB CONFIG_USB_HID CONFIG_HID CONFIG_HID_GENERIC CONFIG_INPUT_KEYBOARD
# usb otg功能  CONFIG_USB CONFIG_USB_XHCI_HCD CONFIG_USB_EHCI_HCD CONFIG_USB_OHCI_HCD CONFIG_USB_OTG
# btrfs 文件系统 CONFIG_BTRFS_FS CONFIG_BTRFS_FS_COMPRESSION

# 开始编译
# make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j$(nproc)
make -j$(nproc)

# 生成deb安装包

# ubuntu 20 可以使用的命令
# fakeroot make-kpkg  --initrd --cross-compile aarch64-linux-gnu- --arch arm64  kernel_image kernel_headers 
# make -j$(nproc) ARCH=arm64 KBUILD_DEBARCH=arm64 KDEB_CHANGELOG_DIST=mobile CROSS_COMPILE=aarch64-linux-gnu- deb-pkg

# Ubuntu 23 命令
make -j$(nproc) bindeb-pkg

# 在上级目录生成 heades image 的deb包
cd ../ && ls

# 如果要修改编译后的deb文件名, 请修改.config里的

# Image.gz msm8953-xiaomi-mido.dtb 复制待用
# cp linux/arch/arm64/boot/Image.gz tmp_mkboot/
# cp linux/arch/arm64/boot/dts/qcom/msm8953-xiaomi-mido.dtb tmp_mkboot/

制作rootfs

debian

生成zip

https://github.com/SdtElectronics/debian-rootfs

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# 修改 multistrap.conf

# ssh 改为 openssh-client
# packages=vim 这行只保留vim
suite=stable

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sudo ./make-rootfs.sh --help
sudo ./make-rootfs.sh arm64 

# 生成的文件在 build/arm64 里, 带时间戳, 例如 arm64-rootfs-20240308T162556Z

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# 报错
# The following signatures couldn't be verified because the public key is not available
sudo vim /usr/sbin/multistrap
# 323行, 行末添加分号
$config_str .= " -o Apt::Install-Recommends=false";
# 在下方插入
$config_str .= " -o Acquire::AllowInsecureRepositories=yes"

生成rootfs

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dd if=/dev/zero of=root.img bs=1M count=2048
mkfs.btrfs root.img

sudo mount -t btrfs -o compress-force=zstd root.img rootfs
sudo cp -a rootfsrootfs-20240308T162556Z/* rootfs/

sudo cp /etc/resolv.conf rootfs/etc/
sudo cp /etc/hosts rootfs/etc/

# 复制开源驱动
sudo chmod -R +x firmware
sudo chown -R root:root firmware
sudo mkdir -p rootfs/lib/firmware/
sudo cp -a firmware/* rootfs/lib/firmware/

# 复制内核文件
sudo cp *.deb rootfs/tmp

sudo chroot rootfs /usr/bin/sh

btrfs设置压缩比

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blkid
# 输出可能类似于：
/dev/loop0: UUID="4982f187-6831-40c4-9cc2-9a9258aefe91" UUID_SUB="7b2911ad-be44-4537-866c-efe2ba2ea1b0" BLOCK_SIZE="4096" TYPE="btrfs"
/dev/zram0: UUID="0b775f09-4d6b-42bc-a1ee-7cb3da12877c" TYPE="swap"
/dev/vdc: UUID="c2971f04-c415-4b34-8334-cb8b7e32146b" TYPE="swap"

cat > /etc/fstab << EOF
# /etc/fstab: static file system information
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
UUID=4982f187-6831-40c4-9cc2-9a9258aefe91 /               btrfs   rw,relatime,compress-force=zstd:3        0       1
EOF

安装内核并设置环境

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# debian换源
apt install apt-transport-https ca-certificates

vim /etc/apt/sources.list

# https://mirrors.tuna.tsinghua.edu.cn/help/debian/
===
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware

deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware

deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware
deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb https://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
deb-src https://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
===

apt update

# 删除自带内核
cd /tmp
dpkg --get-selections | grep linux
dpkg -l | grep -E "linux-headers|linux-image" |awk '{print $2}'|xargs dpkg -P
# 手动删除
# dpkg -P 包名

# 自动生成initram
apt install initramfs-tools zstd
# btrfs
apt install btrfs-progs

# 安装内核
dpkg -i *.deb

# 修改主机名
vim /etc/hostname
vim /etc/hosts

# 设置locales
apt install locales
dpkg-reconfigure locales
update-locale LANG=en_US.UTF-8
# cat /etc/default/locale

# 更改密码
passwd

# 中文字体
apt install fonts-wqy-microhei

# ssh
apt install openssh-server
echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
systemctl enable ssh

# 时区
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
# 时间同步
apt install systemd-timesyncd
systemctl enable systemd-timesyncd

# 常用软件
apt install sudo net-tools network-manager iputils-ping kmod linux-base vim -y

systemctl enable NetworkManager

# 自动创建内存一半的zram
apt install zram-tools
systemctl enable zramswap.service
vim /etc/default/zramswap
# 取消注释
# ALGO=lz4
# PERCENT=50
# PRIORITY=100

# 可选
# btrfs压缩率分析, compsize /path
apt install btrfs-compsize

# 添加默认WiFi连接,参考后面的内容

# 添加串口登录,参考后面的内容

# 添加rc.local开机脚本,参考后面的内容

# 查看可更新的包
apt list --upgradable
# 更新
apt upgrade

# 清理
rm /tmp/*
apt autoremove
apt clean
history -c

# 退出
exit

开机扩容

方法一: 开机后手动执行命令

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btrfs filesystem resize max /

方法二: 添加自启服务

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cat > /etc/systemd/system/resizefs.service << 'EOF'
[Unit]
Description=Expand root filesystem to fill partition
After=local-fs.target

[Service]
Type=oneshot
ExecStart=/usr/bin/bash -c 'btrfs filesystem resize max /'
ExecStartPost=/usr/bin/systemctl disable resizefs.service
RemainAfterExit=true

[Install]
WantedBy=default.target
EOF

systemctl daemon-reload && systemctl enable resizefs.service

rc.local开机脚本

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cat > /etc/systemd/system/rc-local.service <<EOF
[Unit]
Description=/etc/rc.local
ConditionPathExists=/etc/rc.local

[Service]
Type=forking
ExecStart=/etc/rc.local
TimeoutSec=0
StandardOutput=tty
RemainAfterExit=yes
SysVStartPriority=99

[Install]
WantedBy=multi-user.target
EOF

cat > /etc/rc.local <<EOF 
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#

exit 0
EOF

chmod +x /etc/rc.local

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systemctl enable rc-local.service
systemctl is-enabled rc-local.service

开启串口登录

内核需要开启

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CONFIG_USB_GADGET

CONFIG_USB_G_SERIAL

CONFIG_SERIAL_8250

CONFIG_SERIAL_8250_CONSOLE

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cat > /etc/systemd/system/serial-getty@ttyGS0.service << EOF
[Unit]
Description=Serial Console Service on ttyGS0

[Service]
ExecStart=-/usr/sbin/agetty -L 115200 ttyGS0 xterm+256color
Type=idle
Restart=always
RestartSec=0

[Install]
WantedBy=multi-user.target
EOF

systemctl enable serial-getty@ttyGS0.service
#如果串口登录失效，可能是g_serial模块没有加载
echo g_serial >> /etc/modules

添加默认wifi连接

以note4x为例:

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cd /etc/NetworkManager/system-connections/
touch wifi.nmconnection
chmod 600 wifi.nmconnection

cat  > wifi.nmconnection << EOF
[connection]
id=wifi
uuid=0d100c6b-4149-402d-8ec7-f09166e3624b
type=wifi
interface-name=wlan0

[wifi]
mode=infrastructure
ssid=wifi

[ipv4]
method=auto

[ipv6]
addr-gen-mode=stable-privacy
method=auto

[proxy]
EOF

note2

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cd /etc/NetworkManager/system-connections/
touch wifi.nmconnection
chmod 600 wifi.nmconnection

cat  > wifi.nmconnection << EOF
[connection]
id=wifi
uuid=5936f33a-b85c-4ccb-a651-56d5aa464a90
type=wifi
interface-name=wlp1s0

[wifi]
mode=infrastructure
ssid=wifi

[ipv4]
method=auto

[ipv6]
addr-gen-mode=stable-privacy
method=auto

[proxy]
EOF
  • 手机开热点查看ip ip neigh

ubuntu(btrfs)

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# https://cdimage.ubuntu.com/ubuntu-base/
wget https://cdimage.ubuntu.com/ubuntu-base/releases/22.04.4/release/ubuntu-base-22.04.4-base-arm64.tar.gz

docker启动不了

ubuntu的问题, 降级iptable解决

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update-alternatives --set iptables /usr/sbin/iptables-legacy
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy

arch

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http://os.archlinuxarm.org/os/ArchLinuxARM-aarch64-latest.tar.gz

移植其它设备的rootfs

例如 高通410随身wifi的

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# 把rootfs.img模板转ext4
simg2img root_temp.img root_temp.ext4
mkdir root_temp

# 挂载模板
sudo mount root_temp.ext4 root_temp

# 新建
mkdir rootfs
dd if=/dev/zero of=root.img bs=1M count=2048
mkfs.ext4 root.img
sudo mount root.img rootfs

# 复制
sudo cp -a root_temp/* rootfs/
sudo umount root_temp

# 复制开源驱动
sudo chmod -R +x firmware
sudo chown -R root:root firmware
sudo cp -a firmware/* rootfs/lib/firmware/

# chroot
./mount_rootfs.sh

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# mount_rootfs.sh
sudo mount root.img rootfs

sudo mount --bind /proc rootfs/proc
sudo mount --bind /dev rootfs/dev
sudo mount --bind /dev/pts rootfs/dev/pts
sudo mount --bind /sys rootfs/sys

sudo cp /etc/resolv.conf rootfs/etc/
sudo cp /etc/hosts rootfs/etc/

sudo rm rootfs/tmp/linux-*.deb 
sudo cp *.deb rootfs/tmp

sudo chroot rootfs /usr/bin/bash

制作boot

复制boot所需的文件

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# 需要rootfs里的 initrd.img 和 内核编译时生成的 Image.gz dtb
./get_kernel_files.sh

# 复制完就可以卸载rootfs了
./umount_rootfs.sh

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# get_kernel_files.sh
mkdir ./tmp_mkboot
cp ./linux/arch/arm64/boot/dts/qcom/*mido*.dtb ./tmp_mkboot/dtb
cp ./linux/arch/arm64/boot/Image.gz ./tmp_mkboot/
cp rootfs/boot/initrd* ./tmp_mkboot/initrd.img

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# umount_rootfs.sh
sudo umount rootfs/proc
sudo umount rootfs/dev/pts
sudo umount rootfs/dev
sudo umount rootfs/sys
sudo umount rootfs

生成boot和rootf安卓刷机包

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# 需要 initrd.img Image.gz dtb
file root.img
# 修改 mkboot.sh 里的 UUID
./mkboot.sh

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# mkboot.sh
rm ./tmp_mkboot/kernel-dtb
cat ./tmp_mkboot/Image.gz ./tmp_mkboot/dtb > ./tmp_mkboot/kernel-dtb
mkbootimg --base 0x80000000 \
        --kernel_offset 0x00008000 \
        --ramdisk_offset 0x01000000 \
        --tags_offset 0x00000100 \
        --pagesize 2048 \
        --second_offset 0x00f00000 \
        --ramdisk ./tmp_mkboot/initrd.img \
        --cmdline "console=tty0 root=UUID=239798af-b82a-4547-b4d4-448ab8335552 rw loglevel=3"\
        --kernel ./tmp_mkboot/kernel-dtb -o ./tmp_mkboot/boot.img
img2simg ./root.img ./tmp_mkboot/rootfs.img

刷机

  1. 首先是小米官方解bl
  2. 刷入 pmos 的 lk2nd
  3. 重启, 手机震动后长按音量减, 进入 lk2nd 引导的 rec
  4. 用fastboot 刷入 boot rootfs
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fastboot erase userdata
fastboot erase boot
fastboot flash boot lk2nd.img
fastboot reboot

fastboot flash boot boot.img
fastboot flash userdata rootfs.img
fastboot reboot

关闭屏幕灯光

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echo 1 > /sys/class/backlight/backlight/bl_power

# 小米note2
echo 1 > /sys/class/backlight/994000.dsi.0/bl_power

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#!/bin/bash
file_path="/sys/class/backlight/backlight/bl_power"

current_value=$(cat "$file_path")

if [ "$current_value" -eq 0 ]; then
    new_value=1
else
    new_value=0
fi

echo $new_value > $file_path

查看电流

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/sys/class/power_supply/qcom-battery/current_now

查看电量

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apt install upower
upower -i /org/freedesktop/UPower/devices/battery_qcom_battery

查看频率

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cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq

骁龙625超频

查看当前支持的cpu频率

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cd /sys/devices/system/cpu/cpufreq/policy0/
# 频率范围
cat scaling_available_frequencies
# 最大频率
cat scaling_max_freq 

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drivers/clk/qcom/a53-pll.c

# 默认
===
static const struct pll_freq_tbl a53pll_freq[] = {
	{  998400000, 52, 0x0, 0x1, 0 },
	{ 1094400000, 57, 0x0, 0x1, 0 },
	{ 1152000000, 62, 0x0, 0x1, 0 },
	{ 1209600000, 63, 0x0, 0x1, 0 },
	{ 1248000000, 65, 0x0, 0x1, 0 },
	{ 1363200000, 71, 0x0, 0x1, 0 },
	{ 1401600000, 73, 0x0, 0x1, 0 },
	{ }
};
===

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# 频率补充
drivers/soc/qcom/cpr3pd.c

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# 设备树
# 把0x81改为0x85
arch/arm64/boot/dts/qcom/msm8953.dtsi
===
	cpu0_opp: cpu0-opp-table {
		compatible = "operating-points-v2-qcom-cpu";
		nvmem-cells = <&cpu_speed_bin>;
		opp-shared;

		opp-652800000 {
			opp-hz = /bits/ 64 <652800000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp1>;
			opp-suspend;
		};
	
		opp-1036800000 {
			opp-hz = /bits/ 64 <1036800000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp2>;
		};
	
		opp-1248000000 {
			opp-hz = /bits/ 64 <1248000000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp3>;
		};
	
		opp-1401600000 {
			opp-hz = /bits/ 64 <1401600000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp4>;
		};
	
		opp-1689600000 {
			opp-hz = /bits/ 64 <1689600000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp5>;
		};
	
		opp-1804800000 {
			opp-hz = /bits/ 64 <1804800000>;
			opp-supported-hw = <0xC5>;
			required-opps = <&cpr_opp6>;
		};
	
		opp-1958400000 {
			opp-hz = /bits/ 64 <1958400000>;
			opp-supported-hw = <0x85>;
			required-opps = <&cpr_opp7>;
		};
	
		opp-2016000000 {
			opp-hz = /bits/ 64 <2016000000>;
			opp-supported-hw = <0x85>;
			required-opps = <&cpr_opp8>;
		};
	
		opp-2150400000 {
			opp-hz = /bits/ 64 <2150400000>;
			opp-supported-hw = <0x81>;
			required-opps = <&cpr_opp9>;
		};
	
		opp-2208000000 {
			opp-hz = /bits/ 64 <2208000000>;
			opp-supported-hw = <0x81>;
			required-opps = <&cpr_opp10>;
		};
	};
===

扩大分区

如果发现分区大小和rootfs一样大

ext4:

方法一:

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#!/bin/bash

resize2fs $(df / | awk '$NF=="/"{print $1}')
# resize2fs /dev/mmcblk0p30
# resize2fs /dev/mmcblk1p30

方法二:

制作rootfs时

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cat > /etc/systemd/system/resizefs.service << EOF
[Unit]
Description=Expand root filesystem to fill partition
After=local-fs.target

[Service]
Type=oneshot
ExecStart=/usr/bin/bash -c 'exec /usr/sbin/resize2fs $(findmnt -nvo SOURCE /)'
ExecStartPost=/usr/bin/systemctl disable resizefs.service
RemainAfterExit=true

[Install]
WantedBy=default.target
EOF

systemctl enable resizefs.service

定量充电脚本

note4x支持去掉电池直接供电, 需要5V2A电源和长度较短的数据线

小米note2拆电池无法启动, 可以使用定充脚本, 或者拆电池小板改直供电

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#!/bin/bash

# 小米note2

# 是否在连接usb
USB_ONLINE="/sys/class/power_supply/qcom-smbchg-usb/online"
# USB充电电流限制文件 微安
USB_CURRENT_LIMIT_FILE="/sys/class/power_supply/qcom-smbchg-usb/input_current_limit"
# USB最大充电电流 微安
USB_MAX_CURRENT_FILE="/sys/class/power_supply/qcom-smbchg-usb/constant_charge_current_max"
# 电池百分比
BATTERY_CAPACITY_FILE="/sys/class/power_supply/qcom-battery/capacity"
# 电池电流 微安
BATTERY_CURRENT_FILE="/sys/class/power_supply/qcom-battery/current_now"
# 电池温度
BATTERY_TEMP_FILE="/sys/class/power_supply/qcom-battery/temp"
# 记录充电记录
CHARGING_LOG_FILE="/root/charging.log"

# 调整电流的变量 微安, 最小刻度为100ma
DISABLE_CHARGE=300000      # 电池放电时的usb电流
TRICKLE_CHARGE=700000      # 电池充电时的usb电流

# 开启放电的电量百分比
DISABLE_START=90
# 开启充电的电量百分比
TRICKLE_START=20

# 检测是否在充电，如果不在充电，退出
if [ "$(cat $USB_ONLINE)" != "1" ]; then
  echo "当前未连接usb，退出..."
  exit 0
fi

# 获取电池电量百分比
battery_capacity=$(cat $BATTERY_CAPACITY_FILE)
# 获取当前usb电流
current_usb_current=$(cat $USB_CURRENT_LIMIT_FILE)
# 时间戳
formatted_time=$(date +"%Y-%m-%d %H:%M:%S")

if [ $battery_capacity -ge $DISABLE_START ]; then
  if [ "$current_usb_current" != "$DISABLE_CHARGE" ]; then
    echo "电量大于等于$DISABLE_START%，设置USB电流为$DISABLE_CHARGE μA"
    echo $DISABLE_CHARGE > $USB_CURRENT_LIMIT_FILE
    echo "$formatted_time: 开始放电" >> $CHARGING_LOG_FILE
  else
    echo "电量大于等于$DISABLE_START%，USB电流已设置为$DISABLE_CHARGE μA，无需重复设置"
  fi
elif [ $battery_capacity -le $TRICKLE_START ]; then
  if [ "$current_usb_current" != "$TRICKLE_CHARGE" ]; then
    echo "电量小于等于$TRICKLE_START%，设置USB电流为$TRICKLE_CHARGE μA"
    echo $TRICKLE_CHARGE > $USB_CURRENT_LIMIT_FILE
    echo "$formatted_time: 开始充电" >> $CHARGING_LOG_FILE
  else
    echo "电量小于等于$TRICKLE_START%，USB电流已设置为$TRICKLE_CHARGE μA，无需重复设置"
  fi
else
  echo "电量在$TRICKLE_START%和$DISABLE_START%之间，保持当前USB电流"
fi

获取mkbootimg 参数

https://wiki.postmarketos.org/wiki/Huawei_Honor_6X_(huawei-berlin)

https://github.com/anestisb/android-unpackbootimg

https://github.com/OpenStick/OpenStick/issues/7

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git clone https://github.com/anestisb/android-unpackbootimg
make -C android-unpackbootimg

./android-unpackbootimg/unpackbootimg -i boot.img -o boot/
# 打印出上面的mkbootimg 参数

===
BOARD_KERNEL_CMDLINE PMOS_NO_OUTPUT_REDIRECT  pmos_boot_uuid=518e9aa3-4de5-42c3-b6ec-6f1d8384030a pmos_root_uuid=19d04306-f22f-4009-ad75-a6afd390fba8
BOARD_KERNEL_BASE 80000000
BOARD_NAME 
BOARD_PAGE_SIZE 4096
BOARD_HASH_TYPE sha1
BOARD_KERNEL_OFFSET 00008000
BOARD_RAMDISK_OFFSET 01000000
BOARD_SECOND_OFFSET 00f00000
BOARD_TAGS_OFFSET 00000100
===

切换OTG主从模式

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# 625可以这样切主从
# 主机模式：
echo host > /sys/kernel/debug/usb/7000000.usb/mode
# 从设备模式
echo device > /sys/kernel/debug/usb/7000000.usb/mode

测试稳定性

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wget -qO- https://raw.githubusercontent.com/LemonBench/LemonBench/main/LemonBench.sh | bash -s -- --fast

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stress-ng --cpu 8 --timeout 120s --perf

btrfs 查看压缩信息

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btrfs filesystem usage /

# 整理碎片
btrfs filesystem defragment -r /
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