Update 03_build_disk.sh

03_build_disk.sh

@@ -48,33 +48,11 @@ mount -t ext3 ${loop_dev} ${diskfs}
 # 安装grub 引导
 grub-install --boot-directory=${diskfs}/boot/ --target=i386-pc --modules=part_msdos disk.img
 
-#----------------------------------------------
-#
-# 下载源码
-#
-#----------------------------------------------
-mkdir -pv source
-cd source
-
-#KERNEL_SOURCE_URL=https://kernel.org/pub/linux/kernel/v4.x/linux-4.14.9.tar.xz
-KERNEL_SOURCE_URL=https://mirror.bjtu.edu.cn/kernel/linux/kernel/v4.x/linux-4.14.9.tar.xz
-if [ ! -f "linux-4.14.9.tar.xz" ]; then 
-  wget $KERNEL_SOURCE_URL 
-fi
-
-BUSYBOX_SOURCE_URL=https://busybox.net/downloads/busybox-1.34.1.tar.bz2
-if [ ! -f "busybox-1.34.1.tar.bz2" ]; then 
-  wget $BUSYBOX_SOURCE_URL 
-fi
-
-cd ..
-
 #---------------------------------------------
 #
 # 制作内核和 rootfs
 #
 #---------------------------------------------
-mkdir -pv work
 mkdir -pv rootfs
 mkdir -pv rootfs/dev
 mkdir -pv rootfs/etc
@@ -88,37 +66,12 @@ mkdir -pv rootfs/root
 mkdir -pv rootfs/lib64
 mkdir -pv rootfs/lib/modules
 
-if [ ! -d "./work/linux-4.14.9" ]; then
-  tar xvf source/linux-4.14.9.tar.xz -C work/
-fi
-
-if [ ! -d "./work/busybox-1.34.1" ]; then
-  tar xvf source/busybox-1.34.1.tar.bz2 -C work/
-fi
-
-cd work
-
-# 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
-if [ ! -f "./linux-4.14.9/arch/x86_64/boot/bzImage" ]; then 
-  # Enable the VESA framebuffer for graphics support.
-  # 网络需要 TUN/TAP 驱动 [ Device Drivers ] ---> [ Network device support ] ---> [ Universal TUN/TAP device driver support ]
-  cd linux-4.14.9 && make x86_64_defconfig && sed -i "s/.*CONFIG_FB_VESA.*/CONFIG_FB_VESA=y/" .config && make bzImage -j8 && cd ..
-  #cd linux-4.14.9 && make x86_64_defconfig && make bzImage -j8 && make modules && make modules_install && cd ..
-fi
-
 # 拷贝内核镜像
-cp linux-4.14.9/arch/x86_64/boot/bzImage ../${diskfs}/boot/bzImage
+cp work/linux-4.14.9/arch/x86_64/boot/bzImage ../${diskfs}/boot/bzImage
-
-# 编译 busybox 
-if [ ! -d "./busybox-1.34.1/_install" ]; then
-  # 静态编译 sed -i "s/# CONFIG_STATIC is not set/CONFIG_STATIC=y/g" .config
-  cd busybox-1.34.1 && make defconfig && make -j8 && make install && cd ..
-fi
 
 # 拷贝 busybox 到 rootfs
 echo "${CYAN}开始制作rootfs...${NC}"
-cp busybox-1.34.1/_install/* ../rootfs/ -r
+cp work/busybox-1.34.1/_install/* ../rootfs/ -r
-cd ..
 
 #-----------------------------------------------
 #
@@ -279,4 +232,4 @@ echo ".........................................................."
 
 # 卸载映射
 umount ${loop_dev} 
-losetup -d ${loop_dev}
+losetup -d ${loop_dev}