Add files via upload

00_build_env.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+  
+rm work/kernel_install/ work/glibc_install/ work/busybox_install/ work/libgcc_install work/binutils_install -rf
+
+if [ -f "/usr/bin/apt" ]; then
+  apt -y install gcc g++ make gawk bison libelf-dev bridge-utils qemu-system docker.io
+fi
+
+if [ -f "/usr/bin/yum" ]; then
+  yum -y install gcc gcc-c++ make gawk bison elfutils-libelf bridge-utils qemu-img qemu-kvm qemu-kvm-tools docker
+fi
+
+echo "Run the next script: 01_build_src.sh"

01_build_src.sh

@@ -1,6 +1,57 @@
 #!/bin/sh
 
-SYSROOT=`pwd`"/rootfs"
+core_num=`nproc`
+kernel_install=`pwd`"/work/kernel_install"
+glibc_install=`pwd`"/work/glibc_install"
+busybox_install=`pwd`"/work/busybox_install"
+libgcc_install=`pwd`"/work/libgcc_install"
+binutils_install=`pwd`"/work/binutils_install"
+
+#-----------------------------------------------
+#
+# 重新生成目标文件
+#
+#----------------------------------------------- 
+if [ "$1" != "" ]; then
+  if [ $1 != "rebuild" ]; then
+    exit
+  fi
+  echo "rebuild"
+  cd work
+  rm -rf kernel_install glibc_install busybox_install libgcc_install binutils_install
+  # 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
+  if [ ! -d "kernel_install" ]; then
+    mkdir -pv kernel_install && cd linux-4.14.9 
+    make INSTALL_HDR_PATH=${kernel_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${kernel_install} && cd ..
+  fi
+
+  # 编译glibc
+  if [ ! -d "glibc_install" ]; then
+    mkdir -pv glibc_install && cd glibc-2.32
+    mkdir -pv build && cd build
+    make install -j8 DESTDIR=${glibc_install} && cd .. && cd ..
+  fi
+
+  # 编译 busybox 
+  if [ ! -d "busybox_install" ]; then
+    mkdir -pv busybox_install && cd busybox-1.34.1
+    make CONFIG_PREFIX=${busybox_install} install && cd ..
+  fi
+
+  # 编译 libgcc
+  if [ ! -d "libgcc_install" ]; then
+    mkdir -pv libgcc_install && cd gcc-7.5.0
+    make install -j8 DESTDIR=${libgcc_install} && cd ..
+  fi
+
+  # 编译 binutils
+  if [ ! -d "binutils_install" ]; then
+    mkdir -pv binutils_install && cd binutils-2.36
+    make install -j8 DESTDIR=${binutils_install} && cd ..
+  fi  
+  cd ..
+  exit
+fi
 
 #----------------------------------------------
 #
@@ -31,6 +82,11 @@ if [ ! -f "gcc-7.5.0.tar.xz" ]; then
   wget $GCC_SOURCE_URL 
 fi
 
+BINUTILS_SOURCE_URL=https://ftp.gnu.org/gnu/binutils/binutils-2.36.tar.xz
+if [ ! -f "binutils-2.36.tar.xz" ]; then
+  wget $BINUTILS_SOURCE_URL
+fi
+
 cd ..
 
 #---------------------------------------------
@@ -41,23 +97,28 @@ cd ..
 mkdir -pv work
 
 if [ ! -d "./work/linux-4.14.9" ]; then
-  tar xvf source/linux-4.14.9.tar.xz -C work/
+  echo "unzip kernel source"
+  tar xf source/linux-4.14.9.tar.xz -C work/
 fi
 
 if [ ! -d "./work/glibc-2.32" ]; then
-  tar xvf source/glibc-2.32.tar.bz2 -C work/
+  echo "unzip glibc source"
+  tar xf source/glibc-2.32.tar.bz2 -C work/
 fi
 
 if [ ! -d "./work/busybox-1.34.1" ]; then
-  tar xvf source/busybox-1.34.1.tar.bz2 -C work/
+  echo "unzip busybox source"
+  tar xf source/busybox-1.34.1.tar.bz2 -C work/
 fi
 
 if [ ! -d "./work/gcc-7.5.0" ]; then
-  tar xvf source/gcc-7.5.0.tar.xz -C work/
+  echo "unzip gcc source"
+  tar xf source/gcc-7.5.0.tar.xz -C work/
 fi
 
 if [ ! -d "./work/binutils-2.36" ]; then
-  tar xvf source/binutils-2.36.tar.xz -C work/
+  echo "unzip binutils source"
+  tar xf source/binutils-2.36.tar.xz -C work/
 fi
 
 #---------------------------------------------
@@ -67,12 +128,6 @@ fi
 #---------------------------------------------
 cd work
 
-kernel_install=`pwd`"/kernel_install"
-glibc_install=`pwd`"/glibc_install"
-busybox_install=`pwd`"/busybox_install"
-libgcc_install=`pwd`"/libgcc_install"
-binutils_install=`pwd`"/binutils_install"
-
 # 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
 if [ ! -d "kernel_install" ]; then 
   mkdir -pv kernel_install && cd linux-4.14.9 && make mrproper
@@ -85,7 +140,6 @@ fi
 
 # 编译glibc
 if [ ! -d "glibc_install" ]; then
-  echo $PATH
   mkdir -pv glibc_install && cd glibc-2.32
   mkdir -pv build && cd build && make distclean
   ../configure --prefix= \
@@ -102,7 +156,6 @@ if [ ! -d "busybox_install" ]; then
   # 静态编译 sed -i "s/# CONFIG_STATIC is not set/CONFIG_STATIC=y/g" .config
   sed -i "s|.*CONFIG_SYSROOT.*|CONFIG_SYSROOT=\"${glibc_install}\"|" .config
   sed -i "s|.*CONFIG_EXTRA_CFLAGS.*|CONFIG_EXTRA_CFLAGS=\"$CFLAGS -I${kernel_install}/include -I${glibc_install}/include -L${glibc_install}/lib\"|" .config
-  export PATH=/sbin:/bin:/usr/sbin:/usr/bin
   make busybox -j8 && make CONFIG_PREFIX=${busybox_install} install && cd ..
 fi
 
@@ -123,3 +176,5 @@ if [ ! -d "binutils_install" ]; then
 fi
 
 cd ..
+
+echo "Run the next script: 02_build_img.sh"

02_build_img.sh

@@ -15,13 +15,28 @@ CYAN='\e[1;36m'
 WHITE='\e[1;37m' # 白色
 NC='\e[0m' # 没有颜色
 
+# ./02_build_img.sh gcc 这样就能编译带 gcc 的系统
+with_gcc=$1
+
+#----------------------------------------------
+#
+# 进行目录瘦身
+#
+#----------------------------------------------
+./mk_strip.sh
+
 #----------------------------------------------
 #
 # 制作磁盘
 #
 #----------------------------------------------
+echo "${CYAN}--- build disk --- ${NC}"
 # 创建磁盘 64M
-dd if=/dev/zero of=disk.img bs=1M count=256
+if [ ! -n "${with_gcc}" ]; then
+  dd if=/dev/zero of=disk.img bs=1M count=64
+else
+  dd if=/dev/zero of=disk.img bs=1M count=512
+fi
 # 对磁盘进行分区一个主分区
 fdisk disk.img << EOF
 n
@@ -31,7 +46,7 @@ p
 
 w
 EOF
-echo ".........................................................."
+echo "${GREEN}+++ build disk ok +++${NC}"
 
 # 磁盘镜像挂载到具体设备
 loop_dev=$(losetup -f)
@@ -44,7 +59,6 @@ diskfs="diskfs"
 # 挂载磁盘到本地目录
 mkdir -pv ${diskfs} 
 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
 
@@ -76,13 +90,15 @@ rm -rf rootfs/lib/gconv
 rm -rf rootfs/bin/*
 rm -rf rootfs/share
 rm -rf rootfs/var/db 
-rm -rf rootfs/include
+# 编译的镜像带有 gcc 编译器
-rm -rf rootfs/lib/ld-linux-x86-64.so.2
+if [ ! -n "${with_gcc}" ]; then
-ln -s ../lib rootfs/usr/lib
+  rm -rf rootfs/include
-ln -s ../lib/ld-2.32.so rootfs/lib64/ld-linux-x86-64.so.2
+else
+  echo "${RED} with-gcc tools --- you can build your world${NC}"
+  cp work/glibc_install/lib/libc_nonshared.a rootfs/lib 
+fi
 
 # 拷贝 busybox 到 rootfs
-echo "${CYAN}开始制作rootfs...${NC}"
 cp work/busybox_install/* rootfs/ -r
 
 #-----------------------------------------------
@@ -91,6 +107,7 @@ cp work/busybox_install/* rootfs/ -r
 #
 #-----------------------------------------------
 cd rootfs
+echo "${CYAN}--- build initrd ---${NC}"
 
 # 这种方法也可以 mkinitramfs -k -o ./${diskfs}/boot/initrd 4.14.9
 # 利用 Busybox 采用脚本制作 init 脚本 https://blog.csdn.net/embeddedman/article/details/7721926
@@ -128,8 +145,7 @@ EOF
 
 # /sbin/init [switch_root 执行] ---> /etc/inittab [定义了启动顺序] ---> 
 # /etc/init.d/rcS [系统 mount, 安装驱动，配置网络] --->
-# /etc/init.d/rc.local [文件配置应用程序需要的环境变量] ---> 
+# /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]
-# /etc/profile [部分初始化]
 chmod +x init
 
 }
@@ -158,18 +174,8 @@ tty3::once:echo "hello smart-os tty3"
 tty3::respawn:/bin/sh
 EOF
 
-# dns 测试
-# 0. 启动脚本 run_nat.sh
-# 1. busybox 必须动态编译
-# 2. ifconfig eth0 192.168.100.6 && ifconfig eth0 up
-# 3. route add default gw 192.168.100.1
-# 4. echo "nameserver 114.114.114.114" >> /etc/resolv.conf
-# cp -rf ../fixed/lib* lib/ && cp ../fixed/ld-linux-x86-64.so.2 lib64/
-strip -g bin/* sbin/* lib/* 
-
 find . | cpio -R root:root -H newc -o | gzip -9 > ../${diskfs}/boot/initrd
-echo "${GREEN}rootfs制作成功!!!${NC}"
+echo "${GREEN}+++ build initrd ok +++${NC}"
-echo ".........................................................."
 cd ..
 
 #--------------------------------------------------------------
@@ -177,11 +183,15 @@ cd ..
 # 生成磁盘文件系统(利用 busybox 结构，省的自己创建了)
 #
 #--------------------------------------------------------------
-echo "${CYAN}开始制作diskfs...${NC}"
+echo "${CYAN}--- build diskfs ---${NC}"
 cp rootfs/* ${diskfs} -r
-cp work/libgcc_install/* ${diskfs} -r
+# 带有 gcc 编译器
-cp work/binutils_install/* ${diskfs} -r
+if [ "${with_gcc}" ]; then
-rm -rf ${diskfs}/init && rm -rf ${diskfs}/linuxrc && rm -rf ${diskfs}/lost+found
+  echo "${RED} with-gcc tools --- you can build your world${NC}"
+  cp work/libgcc_install/* ${diskfs} -r
+  cp work/binutils_install/* ${diskfs} -r
+fi
+rm -rf ${diskfs}/init ${diskfs}/linuxrc ${diskfs}/lost+found ${diskfs}/share
 
 # 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 
 ./make_driver.sh $(pwd)/${diskfs}/lib/modules 
@@ -198,7 +208,7 @@ menuentry "smart-os" {
 }
 EOF
 
-# 生成 rcS 文件
+# 生成 /etc/init.d/rcS 文件
 title=$(cat<<EOF
 \e[0;36m
 ..######..##.....##....###....########..########..........#######...######.
@@ -219,7 +229,7 @@ echo -e "\n“${title}”\n"
 # 测试驱动加载 
 cd /lib/modules && insmod hello_world.ko
 
-# dns 测试
+# dns 测试 busybox 必须动态编译 动态编译 glibc 已经集成 dns 功能
 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
@@ -227,10 +237,17 @@ 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}+++ build diskfs ok +++${NC}"
-echo "${GREEN}diskfs制作成功!!!${NC}"
-echo ".........................................................."
 
 # 卸载映射
 umount ${loop_dev} 
 losetup -d ${loop_dev}
+
+#---------------------------------------------------------------
+#
+# 查看磁盘内容
+#
+#---------------------------------------------------------------
+./cat_img.sh
+
+echo "Run the next script: 03_run_qemu.sh or 04_run_docker.sh"

cat_img.sh

@@ -7,20 +7,7 @@ losetup -o 1048576 ${loop_dev} disk.img
 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}

mk_drv.sh

@@ -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

mk_sdb.sh

@@ -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}
+

mk_strip.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+strip_dir() {
+  for file in `ls $1`
+  do
+    if [ -d $1"/"$file ]; then
+      strip_dir $1"/"$file
+    else
+      if [ -x $1"/"$file ]; then
+        case "$file" in
+	  *.a);;
+	  *.la);;
+	  *)strip $1"/"$file; continue;;
+        esac	  
+      fi
+      case "$file" in
+        *.a) strip -g -S -d $1"/"$file;;
+	*.so) strip $1"/"$file;;
+	*.so.*) strip $1"/"$file;;
+	*);;
+      esac
+    fi
+  done
+}
+
+# strip glibc
+rm -rf work/glibc_install/share
+strip_dir work/glibc_install 
+
+# strip busybox
+strip work/busybox_install/bin/busybox 
+
+# strip gcc
+rm -rf work/libgcc_install/share
+strip_dir work/libgcc_install
+
+# strip binutils
+rm -rf work/binutils_install/share
+rm -rf work/binutils_install/x86_64-pc-linux-gnu
+strip_dir work/binutils_install
+