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01_build_src.sh
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115
01_build_src.sh
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@ -0,0 +1,115 @@
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#!/bin/sh
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SYSROOT=`pwd`"/rootfs"
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#----------------------------------------------
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#
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# 下载源码
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#
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#----------------------------------------------
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mkdir -pv source
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cd source
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#KERNEL_SOURCE_URL=https://kernel.org/pub/linux/kernel/v4.x/linux-4.14.9.tar.xz
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KERNEL_SOURCE_URL=https://mirror.bjtu.edu.cn/kernel/linux/kernel/v4.x/linux-4.14.9.tar.xz
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if [ ! -f "linux-4.14.9.tar.xz" ]; then
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wget $KERNEL_SOURCE_URL
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fi
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GLIBC_SOURCE_URL=https://ftp.gnu.org/gnu/glibc/glibc-2.32.tar.bz2
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if [ ! -f "glibc-2.32.tar.bz2" ]; then
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wget $GLIBC_SOURCE_URL
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fi
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BUSYBOX_SOURCE_URL=https://busybox.net/downloads/busybox-1.34.1.tar.bz2
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if [ ! -f "busybox-1.34.1.tar.bz2" ]; then
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wget $BUSYBOX_SOURCE_URL
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fi
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GCC_SOURCE_URL=https://ftpmirror.gnu.org/gcc/gcc-7.5.0/gcc-7.5.0.tar.xz
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if [ ! -f "gcc-7.5.0.tar.xz" ]; then
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wget $GCC_SOURCE_URL
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fi
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cd ..
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#---------------------------------------------
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#
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# 解压源码
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#
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#---------------------------------------------
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mkdir -pv work
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if [ ! -d "./work/linux-4.14.9" ]; then
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tar xvf source/linux-4.14.9.tar.xz -C work/
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fi
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if [ ! -d "./work/glibc-2.32" ]; then
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tar xvf source/glibc-2.32.tar.bz2 -C work/
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fi
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if [ ! -d "./work/busybox-1.34.1" ]; then
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tar xvf source/busybox-1.34.1.tar.bz2 -C work/
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fi
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if [ ! -d "./work/gcc-7.5.0" ]; then
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tar xvf source/gcc-7.5.0.tar.xz -C work/
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fi
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#---------------------------------------------
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#
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# 编译源码
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#
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#---------------------------------------------
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cd work
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kernel_install=`pwd`"/kernel_install"
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glibc_install=`pwd`"/glibc_install"
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busybox_install=`pwd`"/busybox_install"
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libgcc_install=`pwd`"/libgcc_install"
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# 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
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if [ ! -d "kernel_install" ]; then
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mkdir -pv kernel_install && cd linux-4.14.9
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# Enable the VESA framebuffer for graphics support.
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# 网络需要 TUN/TAP 驱动 [ Device Drivers ] ---> [ Network device support ] ---> [ Universal TUN/TAP device driver support ]
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make x86_64_defconfig && sed -i "s/.*CONFIG_FB_VESA.*/CONFIG_FB_VESA=y/" .config && make bzImage -j8
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#cd linux-4.14.9 && make x86_64_defconfig && make bzImage -j8 && make modules && make modules_install && cd ..
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make INSTALL_HDR_PATH=${kernel_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${kernel_install}
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cd ..
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fi
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# 编译glibc
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if [ ! -d "glibc_install" ]; then
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echo $PATH
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mkdir -pv glibc_install && cd glibc-2.32
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mkdir -pv build && cd build && make distclean
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../configure --prefix= \
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--with-headers=${kernel_install}/include/ \
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--without-gd \
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--without-selinux \
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--disable-werror
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make -j8 && make install -j8 DESTDIR=${glibc_install}
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cd .. && cd ..
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fi
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# 编译 busybox
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if [ ! -d "busybox_install" ]; then
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mkdir -pv busybox_install && cd busybox-1.34.1 && make distclean && make defconfig
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# 静态编译 sed -i "s/# CONFIG_STATIC is not set/CONFIG_STATIC=y/g" .config
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sed -i "s|.*CONFIG_SYSROOT.*|CONFIG_SYSROOT=\"${glibc_install}\"|" .config
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sed -i "s|.*CONFIG_EXTRA_CFLAGS.*|CONFIG_EXTRA_CFLAGS=\"$CFLAGS -I${kernel_install}/include -I${glibc_install}/include -L${glibc_install}/lib\"|" .config
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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make busybox -j8 && make CONFIG_PREFIX=${busybox_install} install && cd ..
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fi
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# 编译 libgcc
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if [ ! -d "libgcc_install" ]; then
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mkdir -pv libgcc_install && cd gcc-7.5.0
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./contrib/download_prerequisites
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./configure --prefix=${glibc_install} --enable-languages=c,c++ --disable-multilib --disable-static --disable-libquadmath --enable-shared
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CFLAGS="-L${glibc_install}/lib $CFLAGS" make -j8 all-gcc && make -j8 && make install -j8 DESTDIR=${libgcc_install}
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cd ..
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fi
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cd ..
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236
02_build_img.sh
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236
02_build_img.sh
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@ -0,0 +1,236 @@
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#!/bin/sh
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red='\e[0;41m' # 红色
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RED='\e[1;31m'
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green='\e[0;32m' # 绿色
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GREEN='\e[1;32m'
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yellow='\e[5;43m' # 黄色
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YELLOW='\e[1;33m'
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blue='\e[0;34m' # 蓝色
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BLUE='\e[1;34m'
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purple='\e[0;35m' # 紫色
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PURPLE='\e[1;35m'
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cyan='\e[4;36m' # 蓝绿色
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CYAN='\e[1;36m'
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WHITE='\e[1;37m' # 白色
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NC='\e[0m' # 没有颜色
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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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# 创建磁盘 64M
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dd if=/dev/zero of=disk.img bs=1M count=128
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# 对磁盘进行分区一个主分区
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fdisk disk.img << EOF
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n
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p
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w
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EOF
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echo ".........................................................."
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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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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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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 work/kernel_install/bzImage ${diskfs}/boot/bzImage
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# 拷贝 glibc 到 rootfs
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cp work/glibc_install/* rootfs/ -r
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rm -rf rootfs/lib/*.a
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rm -rf rootfs/lib/*.o
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rm -rf rootfs/lib/gconv
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rm -rf rootfs/bin/*
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rm -rf rootfs/share
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rm -rf rootfs/var/db
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rm -rf rootfs/include
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rm -rf rootfs/lib/ld-linux-x86-64.so.2
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ln -s ../lib rootfs/usr/lib
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ln -s ../lib/ld-2.32.so rootfs/lib64/ld-linux-x86-64.so.2
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# 拷贝 busybox 到 rootfs
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echo "${CYAN}开始制作rootfs...${NC}"
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cp work/busybox_install/* rootfs/ -r
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#-----------------------------------------------
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#
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# 制作启动文件系统 initramfs
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#
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#-----------------------------------------------
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cd rootfs
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# 这种方法也可以 mkinitramfs -k -o ./${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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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 none /sys
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mount -t proc none /proc
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mount -t devtmpfs none /dev
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mount -t tmpfs none /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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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 none /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(initramfs) ---> diskfs
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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] --->
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# /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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# 指定了利用 /etc/init.d/rcS 启动
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cat<<"EOF">etc/inittab
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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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::restart:/sbin/init
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::ctrlaltdel:/sbin/reboot
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::shutdown:/bin/umount -a -r
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::respawn:/bin/cttyhack /bin/sh
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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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# dns 测试
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# 0. 启动脚本 run_nat.sh
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# 1. busybox 必须动态编译
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# 2. ifconfig eth0 192.168.100.6 && ifconfig eth0 up
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# 3. route add default gw 192.168.100.1
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# 4. echo "nameserver 114.114.114.114" >> /etc/resolv.conf
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# cp -rf ../fixed/lib* lib/ && cp ../fixed/ld-linux-x86-64.so.2 lib64/
|
||||
strip -g bin/* sbin/* lib/*
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||||
find . | cpio -R root:root -H newc -o | gzip -9 > ../${diskfs}/boot/initrd
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echo "${GREEN}rootfs制作成功!!!${NC}"
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echo ".........................................................."
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||||
cd ..
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||||
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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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||||
echo "${CYAN}开始制作diskfs...${NC}"
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||||
cp rootfs/* ${diskfs} -r
|
||||
rm -rf ${diskfs}/init && rm -rf ${diskfs}/linuxrc && rm -rf ${diskfs}/lost+found
|
||||
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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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||||
./make_driver.sh $(pwd)/${diskfs}/lib/modules
|
||||
# 编译网卡驱动 ( 目前版本内核已集成 e1000 )
|
||||
# cd work/linux-4.14.9 && make M=drivers/net/ethernet/intel/e1000/ && cd ../..
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||||
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||||
# 生成 grub.cfg 文件
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cat - > ${diskfs}/boot/grub/grub.cfg << EOF
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||||
set timeout=6
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||||
menuentry "smart-os" {
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root=(hd0,msdos1)
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linux /boot/bzImage console=tty1
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initrd /boot/initrd
|
||||
}
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||||
EOF
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||||
|
||||
# 生成 rcS 文件
|
||||
title=$(cat<<EOF
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||||
\e[0;36m
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..######..##.....##....###....########..########..........#######...######.
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||||
.##....##.###...###...##.##...##.....##....##............##.....##.##....##
|
||||
.##.......####.####..##...##..##.....##....##............##.....##.##......
|
||||
..######..##.###.##.##.....##.########.....##....#######.##.....##..######.
|
||||
.......##.##.....##.#########.##...##......##............##.....##.......##
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||||
.##....##.##.....##.##.....##.##....##.....##............##.....##.##....##
|
||||
..######..##.....##.##.....##.##.....##....##.............#######...######.
|
||||
\e[0m
|
||||
EOF
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||||
)
|
||||
mkdir -pv ${diskfs}/etc/init.d
|
||||
cat - > ${diskfs}/etc/init.d/rcS << EOF
|
||||
#!/bin/sh
|
||||
echo -e "\n“${title}”\n"
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||||
|
||||
# 测试驱动加载
|
||||
cd /lib/modules && insmod hello_world.ko
|
||||
|
||||
# dns 测试
|
||||
ifconfig eth0 192.168.100.6 && ifconfig eth0 up
|
||||
route add default gw 192.168.100.1
|
||||
echo "nameserver 114.114.114.114" >> /etc/resolv.conf
|
||||
|
||||
# exec 执行 /etc/init.d/rc.local 脚本
|
||||
EOF
|
||||
chmod +x ${diskfs}/etc/init.d/rcS
|
||||
|
||||
echo "${GREEN}diskfs制作成功!!!${NC}"
|
||||
echo ".........................................................."
|
||||
|
||||
# 卸载映射
|
||||
umount ${loop_dev}
|
||||
losetup -d ${loop_dev}
|
||||
90
03_run_qemu.sh
Normal file
90
03_run_qemu.sh
Normal file
@ -0,0 +1,90 @@
|
||||
#!/bin/sh
|
||||
|
||||
#---------------------
|
||||
# 停掉 NAT
|
||||
#---------------------
|
||||
stop_nat() {
|
||||
# 停掉 tap0
|
||||
ip link set tap0 down
|
||||
# 断开与网桥链接
|
||||
brctl delif br0 tap0
|
||||
# 停掉网桥
|
||||
ip link set br0 down
|
||||
# 删除设备 tap0
|
||||
ip tuntap del mode tap tap0
|
||||
# 删除网桥
|
||||
brctl delbr br0
|
||||
}
|
||||
|
||||
#---------------------
|
||||
# 启动 NAT
|
||||
#---------------------
|
||||
start_nat() {
|
||||
# 创建虚拟网桥
|
||||
brctl addbr br0
|
||||
# 创建虚拟tap设备
|
||||
ip tuntap add dev tap0 mode tap
|
||||
# 将tap设备介入网桥
|
||||
brctl addif br0 tap0
|
||||
# 配置网桥ip
|
||||
ip addr add 192.168.100.1/24 dev br0
|
||||
ip addr add 192.168.100.2/24 dev tap0
|
||||
# 启动桥设备和虚拟网卡设备
|
||||
ip link set br0 up
|
||||
ip link set tap0 up
|
||||
# 配置iptables forward转发规则
|
||||
# 在基本环境搭建这一节中，设置了一个本地网络，虚机只能访问host，无法访问外网，如果需要访问外网需要设置SNAT
|
||||
iptables -t nat -A POSTROUTING -s 192.168.100.0/24 ! -d 192.168.100.0/24 -j MASQUERADE
|
||||
# 开启物理网卡的转发功能:
|
||||
sysctl -w net.ipv4.ip_forward=1
|
||||
# 如果有防火墙的，特别是centos系统中，记得放开防火墙
|
||||
iptables -A FORWARD -s 192.168.100.0/24 -j ACCEPT
|
||||
}
|
||||
|
||||
#----------------------
|
||||
# DNS 服务
|
||||
#----------------------
|
||||
start_dns() {
|
||||
|
||||
# 准备dnsmasq配置文件,启动dnsmasq服务，这样就能为虚拟机自动分配IP了
|
||||
cat<<EOF>dnsmasq.conf
|
||||
strict-order
|
||||
pid-file=/var/run/dnsmasq.pid
|
||||
except-interface=lo
|
||||
bind-interfaces
|
||||
listen-address=192.168.0.1
|
||||
dhcp-range=192.168.100.2,192.168.100.254
|
||||
dhcp-no-override
|
||||
dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases
|
||||
dhcp-lease-max=253
|
||||
dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
|
||||
addn-hosts=/var/lib/libvirt/dnsmasq/default.addnhosts
|
||||
EOF
|
||||
/usr/sbin/dnsmasq --conf-file=./dnsmasq.conf
|
||||
|
||||
}
|
||||
|
||||
stop_dns() {
|
||||
# 杀掉 dhcp 服务
|
||||
killall dnsmasq
|
||||
}
|
||||
|
||||
#----------------------------------------------
|
||||
# 运行 smart-os 前，先启动这个，这样就能上网了
|
||||
#----------------------------------------------
|
||||
start_nat
|
||||
|
||||
# 启动镜像 网络对应 run_nat.sh 里面的配置
|
||||
qemu-system-x86_64 -drive format=raw,file=disk.img -netdev tap,id=nd0,ifname=tap0 -device e1000,netdev=nd0
|
||||
|
||||
# stop nat
|
||||
stop_nat
|
||||
|
||||
#----------------------------------------------------
|
||||
#
|
||||
# 多硬盘测试 -hdb extra.img
|
||||
#
|
||||
#----------------------------------------------------
|
||||
# make_sdb.sh
|
||||
# qemu-system-x86_64 -drive format=raw,file=disk.img -hdb extra.img
|
||||
|
||||
44
04_run_docker.sh
Normal file
44
04_run_docker.sh
Normal file
@ -0,0 +1,44 @@
|
||||
#!/bin/sh
|
||||
|
||||
dock_name=smart-os
|
||||
loop_dev=$(losetup -f)
|
||||
|
||||
# fdisk -l disk.img 查看 start 为 2048, unit 512 所以 -o 偏移扇区 1048576 = 2048 x 512
|
||||
losetup -o 1048576 ${loop_dev} disk.img
|
||||
|
||||
# 挂载磁盘到本地目录
|
||||
mkdir -p ./tmp_docker
|
||||
mount -t ext3 ${loop_dev} ./tmp_docker
|
||||
cd ./tmp_docker
|
||||
tar -cvpf ../${dock_name}.tar --directory=./ --exclude=proc --exclude=sys --exclude=dev --exclude=run --exclude=boot .
|
||||
cd ..
|
||||
umount ./tmp_docker
|
||||
rm -rf ./tmp_docker
|
||||
losetup -d ${loop_dev}
|
||||
|
||||
# 删除镜像
|
||||
clear() {
|
||||
if [ ! "`docker ps -a | grep ${dock_name}`" = "" ] ; then
|
||||
docker stop `docker ps -a | grep ${dock_name} | awk '{print $1}'`
|
||||
docker rm `docker ps -a | grep ${dock_name} | awk '{print $1}'`
|
||||
fi
|
||||
|
||||
if [ ! "`docker images -a | grep ${dock_name}`" = "" ] ; then
|
||||
docker rmi `docker images -a | grep ${dock_name} | awk '{print $1}'`:1.0
|
||||
fi
|
||||
}
|
||||
|
||||
# 导入镜像
|
||||
run() {
|
||||
cat smart-os.tar | docker import - ${dock_name}:1.0
|
||||
docker run -t -i ${dock_name}:1.0 /bin/sh
|
||||
}
|
||||
|
||||
clear
|
||||
run
|
||||
clear
|
||||
|
||||
# 删除镜像文件
|
||||
if [ -f "${dock_name}.tar" ]; then
|
||||
rm -rf ${dock_name}.tar
|
||||
fi
|
||||
26
cat_img.sh
Normal file
26
cat_img.sh
Normal file
@ -0,0 +1,26 @@
|
||||
loop_dev=$(losetup -f)
|
||||
|
||||
# fdisk -l disk.img 查看 start 为 2048, unit 512 所以 -o 偏移扇区 1048576 = 2048 x 512
|
||||
losetup -o 1048576 ${loop_dev} disk.img
|
||||
|
||||
# 挂载磁盘到本地目录
|
||||
mkdir -p ./mnt1
|
||||
mount -t ext3 ${loop_dev} ./mnt1
|
||||
echo "/ ---------------------------------------"
|
||||
ls ./mnt1/
|
||||
du ./mnt1 -h
|
||||
echo "boot ---------------------------------------"
|
||||
ls ./mnt1/boot
|
||||
echo "sbin ---------------------------------------"
|
||||
ls ./mnt1/sbin
|
||||
echo "etc ---------------------------------------"
|
||||
ls ./mnt1/etc
|
||||
echo "dev ---------------------------------------"
|
||||
ls ./mnt1/dev
|
||||
echo "lib ---------------------------------------"
|
||||
ls ./mnt1/lib
|
||||
echo "lib64 -------------------------------------"
|
||||
ls ./mnt1/lib64
|
||||
umount ./mnt1
|
||||
rm -rf mnt1
|
||||
losetup -d ${loop_dev}
|
||||
4
env.sh
Normal file
4
env.sh
Normal file
@ -0,0 +1,4 @@
|
||||
#!/bin/sh
|
||||
|
||||
rm work/kernel_install/ work/glibc_install/ work/busybox_install/ -rf
|
||||
apt -y install gcc make gawk bison libelf-dev
|
||||
36
make_driver.sh
Normal file
36
make_driver.sh
Normal file
@ -0,0 +1,36 @@
|
||||
#!/bin/sh
|
||||
|
||||
mkdir -pv driver && cd driver
|
||||
|
||||
cat<<EOF>hello_world.c
|
||||
#include <linux/init.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/kernel.h>
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
static int __init hello_world_init(void)
|
||||
{
|
||||
printk(KERN_DEBUG "hello world!!!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit hello_world_exit(void)
|
||||
{
|
||||
printk(KERN_DEBUG "goodbye world!!!\n");
|
||||
}
|
||||
|
||||
module_init(hello_world_init);
|
||||
module_exit(hello_world_exit);
|
||||
EOF
|
||||
|
||||
cat<<EOF>Makefile
|
||||
obj-m += hello_world.o
|
||||
all:
|
||||
make -C ../work/linux-4.14.9 M=`pwd` modules
|
||||
clean:
|
||||
make -C ../work/linux-4.14.9 M=`pwd` clean
|
||||
EOF
|
||||
|
||||
echo $1
|
||||
make && mv hello_world.ko $1 && make clean && cd .. && rm -rf driver
|
||||
37
make_sdb.sh
Normal file
37
make_sdb.sh
Normal file
@ -0,0 +1,37 @@
|
||||
#!/bin/sh
|
||||
|
||||
#----------------------------------------------
|
||||
#
|
||||
# 制作磁盘
|
||||
#
|
||||
#----------------------------------------------
|
||||
|
||||
echo "${CYAN}开始制作磁盘...${NC}"
|
||||
|
||||
# 创建磁盘 64M
|
||||
dd if=/dev/zero of=extra.img bs=1M count=64
|
||||
|
||||
# 对磁盘进行分区一个主分区
|
||||
fdisk extra.img << EOF
|
||||
n
|
||||
p
|
||||
|
||||
|
||||
|
||||
w
|
||||
EOF
|
||||
|
||||
echo "${GREEN}磁盘制作成功!!!${NC}"
|
||||
echo ".........................................................."
|
||||
|
||||
# 磁盘镜像挂载到具体设备
|
||||
loop_dev=$(losetup -f)
|
||||
|
||||
# fdisk -l disk.img 查看 start 为 2048, unit 512 所以 -o 偏移扇区 1048576 = 2048 x 512
|
||||
losetup -o 1048576 ${loop_dev} extra.img
|
||||
|
||||
# 对磁盘进行格式化
|
||||
mkfs.ext3 ${loop_dev}
|
||||
|
||||
losetup -d ${loop_dev}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user