mirror of
https://github.com/superconvert/smart-os.git
synced 2024-10-30 15:57:46 +08:00
332 lines
11 KiB
Bash
Executable File
332 lines
11 KiB
Bash
Executable File
#!/bin/sh
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# 导入公共环境
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. ./common.sh
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#----------------------------------------------
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#
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# 进行目录瘦身
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#
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#----------------------------------------------
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./mk_strip.sh
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#----------------------------------------------
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#
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# 制作磁盘
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#
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#----------------------------------------------
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echo "${CYAN}--- build disk --- ${NC}"
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# 创建磁盘 128M 或 256M
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if [ "${with_gcc}" = false ]; then
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create_disk disk.img 2048
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else
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create_disk disk.img 2048
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fi
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echo "${GREEN}+++ build disk ok +++${NC}"
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# 磁盘镜像挂载到具体设备
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loop_dev=$(losetup -f)
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# fdisk -l disk.img 查看 start 为 2048, unit 512 所以 -o 偏移扇区 1048576 = 2048 x 512
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losetup -o 1048576 ${loop_dev} disk.img
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# 对磁盘进行格式化
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mkfs.ext3 ${loop_dev}
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# 如果制作的 disk.img 转换为 qemu-img convert disk.img -f raw -O vmdk out.vmdk, vmware 的磁盘类型一定设置为 SATA ，否则，启动失败
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diskfs="diskfs"
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# 挂载磁盘到本地目录
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mkdir -pv ${diskfs}
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mount -t ext3 ${loop_dev} ${diskfs}
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# 安装grub 引导
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grub-install --boot-directory=${diskfs}/boot/ --target=i386-pc --modules=part_msdos disk.img
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#---------------------------------------------
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#
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# 制作内核和 rootfs
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#
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#---------------------------------------------
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rm -rf rootfs
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mkdir -pv rootfs
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mkdir -pv rootfs/dev
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mkdir -pv rootfs/etc
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mkdir -pv rootfs/sys
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mkdir -pv rootfs/mnt
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mkdir -pv rootfs/tmp
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mkdir -pv rootfs/lib
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mkdir -pv rootfs/sbin
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mkdir -pv rootfs/proc
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mkdir -pv rootfs/root
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mkdir -pv rootfs/lib64
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mkdir -pv rootfs/lib/modules
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# 拷贝内核镜像
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cp ${linux_install}/bzImage ${diskfs}/boot/bzImage
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cp ${linux_install}/lib ${diskfs}/ -r
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# 拷贝 glibc 到 rootfs
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cp ${glibc_install}/* rootfs/ -r
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rm -rf rootfs/var/db
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rm -rf rootfs/share
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rm -rf rootfs/usr/share
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find rootfs/ -name "*.a" -exec rm -rf {} \;
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# 编译的镜像带有 gcc 编译器
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if [ "${with_gcc}" = false ]; then
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rm -rf rootfs/usr/include
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else
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cp ${glibc_install}/usr/lib64/libc_nonshared.a rootfs/usr/lib64
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fi
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#----------------------------------------------------------------------
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# 这个解释器必须设置对，否则系统会启动时 crash, 导致启动失败 !!!!!!
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# 这个现在 glibc 编译时，已经自动生成，先注释掉
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#-----------------------------------------------------------------------
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# ln -s /lib/ld-2.32.so rootfs/lib64/ld-linux-x86-64.so.2
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# 拷贝 busybox 到 rootfs
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cp ${busybox_install}/* rootfs/ -r
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#-----------------------------------------------
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#
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# 制作启动文件系统 initramfs
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#
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#-----------------------------------------------
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cd rootfs
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echo "${CYAN}--- build initrd ---${NC}"
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# 这种方法也可以 mkinitramfs -k -o ./${diskfs}/boot/initrd 4.14.9
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# 利用 Busybox 采用脚本制作 init 脚本 https://blog.csdn.net/embeddedman/article/details/7721926
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# 光驱挂载 : /dev/cdrom 是 /dev/sr0 的软连接，也就是说 /dev/sr0 才是实际意义上的光驱。所以没有软连接，
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# 照样可以挂载光驱。使用命令"mount /dev/sr0 /mnt/cdrom"便可以实现挂载。
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make_init() {
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cat<<"EOF">init
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#!/bin/sh
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# 必须首先挂载，否则 mdev 不能正常工作
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mount -t sysfs sysfs /sys
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mount -t proc proc /proc
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mount -t devtmpfs udev /dev
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mount -t tmpfs tmpfs /tmp -o mode=1777
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# 必须挂载一下，否则下面的 mount 不上
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mdev -s
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mount -t ext3 /dev/sda1 /mnt
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# 关闭内核烦人的输出信息
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echo 0 > /proc/sys/kernel/printk
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# 热插拔处理都交给 mdev
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# echo /sbin/mdev > /proc/sys/kernel/hotplug
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echo -e "\n\e[0;32mBoot took $(cut -d' ' -f1 /proc/uptime) seconds\e[0m"
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mkdir -p /dev/pts
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mount -t devpts devpts /dev/pts
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# 切换之前，修改 mount 路径
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mount --move /dev /mnt/dev
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mount --move /sys /mnt/sys
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mount --move /proc /mnt/proc
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mount --move /tmp /mnt/tmp
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# 切换到真正的磁盘系统上 rootfs ---> diskfs
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export LD_LIBRARY_PATH="/lib:/lib64:/usr/lib:/usr/lib64:/usr/local/lib:/usr/local/lib64:/usr/lib/x86_64-linux-gnu"
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exec switch_root /mnt /sbin/init
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EOF
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# /sbin/init [switch_root 执行] ---> /etc/inittab [定义了启动顺序] --->
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# /etc/init.d/rcS [系统 mount, 安装驱动，配置网络] --->
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# /etc/init.d/rc.local [文件配置应用程序需要的环境变量] ---> /etc/profile [部分初始化]
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chmod +x init
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}
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make_init
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# 下面这些不用了，利用脚本里面的 busybox 的 mdev -s 自动挂载
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# mknod -m 644 dev/tty0 c 4 1
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# mknod -m 644 dev/tty c 5 0
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# mknod -m 600 dev/console c 5 1
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# mknod -m 644 dev/null c 1 3
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# mknod -m 640 dev/sda1 b 8 1
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# xfce 需要显卡设备
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# mknod -m 664 dev/dri/card0 c 226 0
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# 指定了利用 /etc/init.d/rcS 启动
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cat<<"EOF">etc/inittab
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::restart:/sbin/init
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::ctrlaltdel:/sbin/reboot
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::shutdown:/bin/umount -a -r
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::shutdown:/sbin/swapoff -a
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::sysinit:echo "sysinit 1++++++++++++++++++++++++++++++++++++++"
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::sysinit:/etc/init.d/rcS
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::sysinit:echo "sysinit 2++++++++++++++++++++++++++++++++++++++"
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tty1::once:echo "hello smart-os tty1"
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tty1::respawn:/bin/sh
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tty2::once:echo "hello smart-os tty2"
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tty2::respawn:/bin/sh
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tty3::once:echo "hello smart-os tty3"
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tty3::respawn:/bin/sh
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EOF
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find . | cpio -R root:root -H newc -o | gzip -9 > ../${diskfs}/boot/initrd
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echo "${GREEN}+++ build initrd ok +++${NC}"
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cd ..
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#--------------------------------------------------------------
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#
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# 生成磁盘文件系统(利用 busybox 结构，省的自己创建了)
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#
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#--------------------------------------------------------------
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echo "${CYAN}--- build diskfs ---${NC}"
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cp rootfs/* ${diskfs} -r
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# 单独的 pciutils
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cp ${pciutils_install}/* ${diskfs} -r
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if [ -f "${diskfs}/usr/share/pci.ids.gz" ]; then
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mkdir -pv ${diskfs}/usr/local/share
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mv ${diskfs}/usr/share/pci.ids.gz ${diskfs}/usr/local/share/pci.ids.gz
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fi
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# 带有 gcc 编译器
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if [ "${with_gcc}" = true ]; then
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echo "${RED} ... build with-gcc${NC}"
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cp ${gcc_install}/* ${diskfs} -r
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cp ${binutils_install}/usr/x86_64-pc-linux-gnu/* ${diskfs} -r
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fi
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rm -rf ${diskfs}/init ${diskfs}/lost+found
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# 测试用户登陆模式: root/123456
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if [ "${with_login}" = true ]; then
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echo "${RED} ... build with-login${NC}"
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./mk_login.sh ${diskfs}
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fi
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# 带有 xfce 编译器
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if [ "${with_xfce}" = true ]; then
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echo "${RED} ... build xfce desktop${NC}"
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# 构建 Xorg 的键盘数据
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rm ${xfce_install}/usr/local/share/X11/xkb -rf
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ln -s /usr/share/X11/xkb ${xfce_install}/usr/local/share/X11
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# 依赖版本 libpcre.so.3
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if [ -f "${xfce_install}/usr/local/lib/libpcre.so.1" ]; then
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cp ${xfce_install}/usr/local/lib/libpcre.so.1 ${xfce_install}/usr/local/lib/libpcre.so.3
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fi
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# 依赖版本 libedit2
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if [ -f "${xfce_install}/usr/local/lib/libedit.so.0" ]; then
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cp ${xfce_install}/usr/local/lib/libedit.so.0 ${xfce_install}/usr/local/lib/libedit.so.2
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fi
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# 依赖版本 libtinfo.so.5
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if [ -f "${xfce_install}/usr/lib/libtinfo.so.6" ]; then
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cp ${xfce_install}/usr/lib/libtinfo.so.6 ${xfce_install}/usr/lib/libtinfo.so.5
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fi
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# 依赖版本 libffi.so.6
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if [ -f "${xfce_install}/usr/local/lib/libffi.so.8" ]; then
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cp ${xfce_install}/usr/local/lib/libffi.so.8 ${xfce_install}/usr/local/lib/libffi.so.6
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fi
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# dbus 用户添加
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echo "video:x:44:" >> ${diskfs}/etc/group
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echo "messagebus:x:107:" >> ${diskfs}/etc/group
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echo "messagebus:x:103:107::/nonexistent:/usr/sbin/nologin" >> ${diskfs}/etc/passwd
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# dbus 启动脚本
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# dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
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# dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
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# dbus-daemon --config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork --print-address 3
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echo "dbus-daemon --system --nopidfile --systemd-activation" > ${diskfs}/xfce.sh
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echo "xinit /usr/local/bin/xfce4-session -- /usr/local/bin/Xorg :10" >> ${diskfs}/xfce.sh
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chmod +x ${diskfs}/xfce.sh
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# 添加 machine-id
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mkdir -p ${diskfs}/usr/local/var/lib/dbus
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echo "2add25d2f5994832ba171755bc21f9fe" > ${diskfs}/etc/machine-id
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echo "2add25d2f5994832ba171755bc21f9fe" > ${diskfs}/usr/local/var/lib/dbus/machine-id
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# 这些本来需要编译完成，目前暂且拷贝
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cp /usr/lib/x86_64-linux-gnu/libLLVM-10.so.1 build/xfce_install/usr/lib/x86_64-linux-gnu/
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# cp /usr/lib/x86_64-linux-gnu/libffi.so.6 build/xfce_install/usr/lib/x86_64-linux-gnu/
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# 拷贝 xfce4 到镜像目录
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cp ${xfce_install}/* ${diskfs} -r -n
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# xfce 需要系统内执行下面两句，保证键盘数据存在 Xorg :10 才能执行成功
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# 1. 键盘数据
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# rm /usr/local/share/X11/xkb -rf
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# ln -s /usr/share/X11/xkb /usr/local/share/X11
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# 2. 需要改动 libpcre.so.1 ---> libpcre.so.3
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# 3. xfce4-session 需要 libuuid.so
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fi
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# 我们测试驱动, 制作的镜像启动后，我们进入此目录 insmod hello_world.ko 即可
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./mk_drv.sh $(pwd)/${diskfs}/lib/modules
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# 编译网卡驱动 ( 目前版本内核已集成 e1000 )
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# cd ${build_dir}/linux-5.8.6 && make M=drivers/net/ethernet/intel/e1000/ && cd ../..
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# 生成 grub.cfg 文件, 增加 console=ttyS0 就会让 qemu 输出日志到 qemu.log
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cat - > ${diskfs}/boot/grub/grub.cfg << EOF
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set timeout=3
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menuentry "smart-os" {
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root=(hd0,msdos1)
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linux /boot/bzImage console=tty0
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initrd /boot/initrd
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}
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EOF
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# 生成 /etc/resolv.conf 文件
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cat -> ${diskfs}/etc/resolv.conf << EOF
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nameserver 8.8.8.8
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nameserver 114.114.114.114
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EOF
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cat -> ${diskfs}/etc/fstab << EOF
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# <file system> <dir> <type> <options> <dump> <pass>
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proc /proc proc defaults 0 0
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tmpfs /tmp tmpfs defaults 0 0
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sysfs /sys sysfs defaults 0 0
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EOF
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# 生成 /etc/init.d/rcS 文件
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title=$(cat<<EOF
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\e[0;36m
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..######..##.....##....###....########..########..........#######...######.
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.##....##.###...###...##.##...##.....##....##............##.....##.##....##
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.##.......####.####..##...##..##.....##....##............##.....##.##......
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..######..##.###.##.##.....##.########.....##....#######.##.....##..######.
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.......##.##.....##.#########.##...##......##............##.....##.......##
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.##....##.##.....##.##.....##.##....##.....##............##.....##.##....##
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..######..##.....##.##.....##.##.....##....##.............#######...######.
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\e[0m
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EOF
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)
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mkdir -pv ${diskfs}/etc/init.d
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cat - > ${diskfs}/etc/init.d/rcS << EOF
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#!/bin/sh
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echo -e "\n“${title}”\n"
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# 测试驱动加载
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cd /lib/modules && insmod hello_world.ko
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# dns 测试 busybox 必须动态编译 动态编译 glibc 已经集成 dns 功能
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ifconfig eth0 192.168.100.6 && ifconfig eth0 up
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route add default gw 192.168.100.1
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# exec 执行 /etc/init.d/rc.local 脚本
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EOF
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chmod +x ${diskfs}/etc/init.d/rcS
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# 登陆 login shell ，非 non-login shell
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if [ "${with_login}" = true ]; then
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cat - > ${diskfs}/etc/profile << EOF
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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export LD_LIBRARY_PATH="/lib:/lib64:/usr/lib:/usr/lib64:/usr/local/lib:/usr/local/lib64:/usr/lib/x86_64-linux-gnu"
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EOF
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else
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cat - > ${diskfs}/etc/bash.bashrc << EOF
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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export LD_LIBRARY_PATH="/lib:/lib64:/usr/lib:/usr/lib64:/usr/local/lib:/usr/local/lib64:/usr/lib/x86_64-linux-gnu"
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EOF
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fi
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echo "${GREEN}+++ build diskfs ok +++${NC}"
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# 卸载映射
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umount ${loop_dev}
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losetup -d ${loop_dev}
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#---------------------------------------------------------------
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#
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# 查看磁盘内容
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#
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#---------------------------------------------------------------
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./ls_img.sh
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echo "Run the next script: 03_run_qemu.sh or 04_run_docker.sh"
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