mirror of
https://github.com/superconvert/smart-os.git
synced 2024-11-22 02:04:23 +08:00
optimize some code
This commit is contained in:
superconvert
parent
6832f95e49
commit
6d49d64ad8
212
01_build_src.sh
212
01_build_src.sh
@ -1,14 +1,96 @@
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#!/bin/sh
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core_num=`nproc`
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kernel_install=`pwd`"/work/kernel_install"
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glibc_install=`pwd`"/work/glibc_install"
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busybox_install=`pwd`"/work/busybox_install"
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libgcc_install=`pwd`"/work/libgcc_install"
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binutils_install=`pwd`"/work/binutils_install"
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#-----------------------------------------------
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#
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# 导入公共变量
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#
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#-----------------------------------------------
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. ./common.sh
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#LINUX_SRC_URL=https://kernel.org/pub/linux/kernel/v4.x/linux-4.14.9.tar.xz
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LINUX_SRC_URL=https://mirror.bjtu.edu.cn/kernel/linux/kernel/v4.x/linux-4.14.9.tar.xz
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#GLIBC_SRC_URL=https://ftp.gnu.org/gnu/glibc/glibc-2.32.tar.bz2
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GLIBC_SRC_URL=https://mirrors.ustc.edu.cn/gnu/glibc/glibc-2.32.tar.bz2
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BUSYBOX_SRC_URL=https://busybox.net/downloads/busybox-1.34.1.tar.bz2
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#GCC_SRC_URL=https://ftpmirror.gnu.org/gcc/gcc-7.5.0/gcc-7.5.0.tar.xz
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GCC_SRC_URL=https://mirrors.ustc.edu.cn/gnu/gcc/gcc-7.5.0/gcc-7.5.0.tar.xz
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#BINUTILS_SRC_URL=https://ftp.gnu.org/gnu/binutils/binutils-2.36.tar.xz
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BINUTILS_SRC_URL=https://mirrors.ustc.edu.cn/gnu/binutils/binutils-2.36.tar.xz
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export CFLAGS="-Os -s -fno-stack-protector -fomit-frame-pointer -U_FORTIFY_SOURCE"
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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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LINUX_SRC_NAME=$(file_name ${LINUX_SRC_URL})
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if [ ! -f ${LINUX_SRC_NAME} ]; then
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wget $LINUX_SRC_URL
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fi
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GLIBC_SRC_NAME=$(file_name ${GLIBC_SRC_URL})
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if [ ! -f ${GLIBC_SRC_NAME} ]; then
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wget $GLIBC_SRC_URL
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fi
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BUSYBOX_SRC_NAME=$(file_name ${BUSYBOX_SRC_URL})
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if [ ! -f ${BUSYBOX_SRC_NAME} ]; then
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wget $BUSYBOX_SRC_URL
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fi
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GCC_SRC_NAME=$(file_name ${GCC_SRC_URL})
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if [ ! -f ${GCC_SRC_NAME} ]; then
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wget $GCC_SRC_URL
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fi
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BINUTILS_SRC_NAME=$(file_name ${BINUTILS_SRC_URL})
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if [ ! -f ${BINUTILS_SRC_NAME} ]; then
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wget $BINUTILS_SRC_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 ${build_dir}
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LINUX_SRC_DIR=${build_dir}"/"$(file_dirname ${LINUX_SRC_NAME} .tar.xz)
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if [ ! -d ${LINUX_SRC_DIR} ]; then
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echo "unzip ${LINUX_SRC_NAME} source code"
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tar xf source/${LINUX_SRC_NAME} -C ${build_dir}
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fi
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GLIBC_SRC_DIR=${build_dir}"/"$(file_dirname ${GLIBC_SRC_NAME} .tar.bz2)
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if [ ! -d ${GLIBC_SRC_DIR} ]; then
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echo "unzip ${GLIBC_SRC_NAME} source code"
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tar xf source/${GLIBC_SRC_NAME} -C ${build_dir}
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fi
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BUSYBOX_SRC_DIR=${build_dir}"/"$(file_dirname ${BUSYBOX_SRC_NAME} .tar.bz2)
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if [ ! -d ${BUSYBOX_SRC_DIR} ]; then
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echo "unzip ${BUSYBOX_SRC_NAME} source code"
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tar xf source/${BUSYBOX_SRC_NAME} -C ${build_dir}
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fi
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GCC_SRC_DIR=${build_dir}"/"$(file_dirname ${GCC_SRC_NAME} .tar.xz)
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if [ ! -d ${GCC_SRC_DIR} ]; then
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echo "unzip ${GCC_SRC_NAME} source code"
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tar xf source/${GCC_SRC_NAME} -C ${build_dir}
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fi
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BINUTILS_SRC_DIR=${build_dir}"/"$(file_dirname ${BINUTILS_SRC_NAME} .tar.xz)
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if [ ! -d ${BINUTILS_SRC_DIR} ]; then
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echo "unzip ${BINUTILS_SRC_NAME} source code"
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tar xf source/${BINUTILS_SRC_NAME} -C ${build_dir}
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fi
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#-----------------------------------------------
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#
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# 重新生成目标文件
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@ -19,137 +101,67 @@ if [ "$1" != "" ]; then
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exit
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fi
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echo "rebuild"
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cd work
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rm -rf kernel_install glibc_install busybox_install libgcc_install binutils_install
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cd ${build_dir}
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rm -rf linux_install glibc_install busybox_install gcc_install binutils_install
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# 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
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if [ ! -d "kernel_install" ]; then
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mkdir -pv kernel_install && cd linux-4.14.9
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make INSTALL_HDR_PATH=${kernel_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${kernel_install} && cd ..
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if [ ! -d "linux_install" ]; then
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mkdir -pv linux_install && cd ${LINUX_SRC_DIR}
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make INSTALL_HDR_PATH=${linux_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${linux_install} && 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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mkdir -pv glibc_install && cd glibc-2.32
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mkdir -pv glibc_install && cd ${GLIBC_SRC_DIR}
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mkdir -pv build && cd build
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make install -j8 DESTDIR=${glibc_install} && 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
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mkdir -pv busybox_install && cd ${BUSYBOX_SRC_DIR}
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make CONFIG_PREFIX=${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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make install -j8 DESTDIR=${libgcc_install} && cd ..
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if [ ! -d "gcc_install" ]; then
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mkdir -pv gcc_install && cd ${GCC_SRC_DIR}
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make install -j8 DESTDIR=${gcc_install} && cd ..
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fi
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# 编译 binutils
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if [ ! -d "binutils_install" ]; then
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mkdir -pv binutils_install && cd binutils-2.36
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mkdir -pv binutils_install && cd ${BINUTILS_SRC_DIR}
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make install -j8 DESTDIR=${binutils_install} && cd ..
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fi
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cd ..
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exit
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fi
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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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GLIBC_SOURCE_URL=https://mirrors.ustc.edu.cn/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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GCC_SOURCE_URL=https://mirrors.ustc.edu.cn/gnu/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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#BINUTILS_SOURCE_URL=https://ftp.gnu.org/gnu/binutils/binutils-2.36.tar.xz
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BINUTILS_SOURCE_URL=https://mirrors.ustc.edu.cn/gnu/binutils/binutils-2.36.tar.xz
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if [ ! -f "binutils-2.36.tar.xz" ]; then
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wget $BINUTILS_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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echo "unzip kernel source"
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tar xf 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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echo "unzip glibc source"
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tar xf 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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echo "unzip busybox source"
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tar xf 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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echo "unzip gcc source"
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tar xf source/gcc-7.5.0.tar.xz -C work/
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fi
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if [ ! -d "./work/binutils-2.36" ]; then
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echo "unzip binutils source"
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tar xf source/binutils-2.36.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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cd ${build_dir}
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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 && make mrproper && make x86_64_defconfig
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if [ ! -d "linux_install" ]; then
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mkdir -pv linux_install && cd ${LINUX_SRC_DIR} && make mrproper && make x86_64_defconfig
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# Enable the VESA framebuffer for graphics support.
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sed -i "s/.*CONFIG_FB_VESA.*/CONFIG_FB_VESA=y/" .config
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# 网络需要 TUN/TAP 驱动 [ Device Drivers ] ---> [ Network device support ] ---> [ Universal TUN/TAP device driver support ]
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make bzImage -j8
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#cd linux-4.14.9 && make x86_64_defconfig && make bzImage -j8 && make modules && make modules_install && cd ..
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make INSTALL_HDR_PATH=${kernel_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${kernel_install} && cd ..
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make INSTALL_HDR_PATH=${linux_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${linux_install} && 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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mkdir -pv glibc_install && cd glibc-2.32
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mkdir -pv glibc_install && cd ${GLIBC_SRC_DIR}
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mkdir -pv build && cd build && make distclean
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../configure --prefix=/usr \
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--with-headers=${kernel_install}/include \
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--with-headers=${linux_install}/include \
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--enable-kernel=4.0.1 \
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--without-selinux \
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--disable-werror \
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@ -160,24 +172,24 @@ 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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mkdir -pv busybox_install && cd ${BUSYBOX_SRC_DIR} && make distclean && make defconfig
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# 静态编译 sed -i "s/# CONFIG_STATIC is not set/CONFIG_STATIC=y/g" .config
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sed -i "s|.*CONFIG_SYSROOT.*|CONFIG_SYSROOT=\"${glibc_install}\"|" .config
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sed -i "s|.*CONFIG_EXTRA_CFLAGS.*|CONFIG_EXTRA_CFLAGS=\"-I${kernel_install}/include -I${glibc_install}/include -L${glibc_install}/usr/lib64 $CFLAGS\"|" .config
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sed -i "s|.*CONFIG_EXTRA_CFLAGS.*|CONFIG_EXTRA_CFLAGS=\"-I${linux_install}/include -I${glibc_install}/include -L${glibc_install}/usr/lib64 $CFLAGS\"|" .config
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make busybox -j8 && make CONFIG_PREFIX=${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 && make distclean && rm ./config.cache
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# 编译 gcc
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if [ ! -d "gcc_install" ]; then
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mkdir -pv gcc_install && cd ${GCC_SRC_DIR} && make distclean && rm ./config.cache
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./contrib/download_prerequisites
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./configure --prefix=/usr --enable-languages=c,c++ --disable-multilib --disable-static --disable-libquadmath --enable-shared
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CFLAGS="-L${glibc_install}/lib64 $CFLAGS" make -j8 && make install -j8 DESTDIR=${libgcc_install} && cd ..
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CFLAGS="-L${glibc_install}/lib64 $CFLAGS" make -j8 && make install -j8 DESTDIR=${gcc_install} && cd ..
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fi
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# 编译 binutils
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if [ ! -d "binutils_install" ]; then
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mkdir -pv binutils_install && cd binutils-2.36 && make distclean
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mkdir -pv binutils_install && cd ${BINUTILS_SRC_DIR} && make distclean
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./configure --prefix=/usr
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CFLAGS="-L${glibc_install}/lib64 $CFLAGS" make -j8 && make install -j8 DESTDIR=${binutils_install} && cd ..
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cd ..
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@ -15,8 +15,8 @@ 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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# ./02_build_img.sh gcc 这样就能编译带 gcc 的系统
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with_gcc=$1
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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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@ -32,7 +32,7 @@ with_gcc=$1
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#----------------------------------------------
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echo "${CYAN}--- build disk --- ${NC}"
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# 创建磁盘 64M
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if [ ! -n "${with_gcc}" ]; then
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if [ "${with_gcc}" = false ]; then
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dd if=/dev/zero of=disk.img bs=1M count=128
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else
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dd if=/dev/zero of=disk.img bs=1M count=256
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@ -82,30 +82,30 @@ 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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cp ${linux_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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cp ${glibc_install}/* rootfs/ -r
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rm -rf rootfs/var/db
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rm -rf rootfs/share
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rm -rf rootfs/usr/share
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find rootfs/ -name "*.a" -exec rm -rf {} \;
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# 编译的镜像带有 gcc 编译器
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if [ ! -n "${with_gcc}" ]; then
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echo "without-gcc tools."
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#rm -rf rootfs/include
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if [ "${with_gcc}" = false ]; then
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rm -rf rootfs/usr/include
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else
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echo "${RED} with-gcc tools --- you can build your world${NC}"
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cp work/glibc_install/usr/lib64/libc_nonshared.a rootfs/usr/lib64
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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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# 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 work/busybox_install/* rootfs/ -r
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cp ${busybox_install}/* rootfs/ -r
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#-----------------------------------------------
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#
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@ -122,7 +122,6 @@ 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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@ -131,21 +130,19 @@ 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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# 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 $(cut -d' ' -f1 /proc/uptime) seconds\e[0m"
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mkdir -p /dev/pts
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mount -t devpts none /dev/pts
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# 切换之前，修改 mount 路径
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mount --move /dev /mnt/dev
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mount --move /sys /mnt/sys
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mount --move /proc /mnt/proc
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mount --move /tmp /mnt/tmp
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# 切换到真正的磁盘系统上 rootfs(initramfs) ---> diskfs
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# 切换到真正的磁盘系统上 rootfs ---> diskfs
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exec switch_root /mnt /sbin/init
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EOF
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@ -192,17 +189,17 @@ cd ..
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echo "${CYAN}--- build diskfs ---${NC}"
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||||
cp rootfs/* ${diskfs} -r
|
||||
# 带有 gcc 编译器
|
||||
if [ "${with_gcc}" ]; then
|
||||
if [ "${with_gcc}" = true ]; then
|
||||
echo "${RED} with-gcc tools --- you can build your world${NC}"
|
||||
cp work/libgcc_install/* ${diskfs} -r
|
||||
cp work/binutils_install/usr/x86_64-pc-linux-gnu/* ${diskfs} -r
|
||||
cp ${gcc_install}/* ${diskfs} -r
|
||||
cp ${binutils_install}/usr/x86_64-pc-linux-gnu/* ${diskfs} -r
|
||||
fi
|
||||
rm -rf ${diskfs}/init ${diskfs}/lost+found
|
||||
|
||||
# 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
|
||||
./mk_drv.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 ../..
|
||||
# cd ${build_dir}/linux-4.14.9 && make M=drivers/net/ethernet/intel/e1000/ && cd ../..
|
||||
|
||||
# 生成 grub.cfg 文件, 增加 console=ttyS0 就会让 qemu 输出日志到 qemu.log
|
||||
cat - > ${diskfs}/boot/grub/grub.cfg << EOF
|
||||
|
||||
30
common.sh
Executable file
30
common.sh
Executable file
@ -0,0 +1,30 @@
|
||||
# 处理器
|
||||
core_num=`nproc`
|
||||
|
||||
# 是否开启 gcc
|
||||
with_gcc=false
|
||||
|
||||
# 编译工程目录
|
||||
build_dir=`pwd`"/build"
|
||||
|
||||
# 公共目录
|
||||
linux_install=${build_dir}"/linux_install"
|
||||
glibc_install=${build_dir}"/glibc_install"
|
||||
busybox_install=${build_dir}"/busybox_install"
|
||||
gcc_install=${build_dir}"/gcc_install"
|
||||
binutils_install=${build_dir}"/binutils_install"
|
||||
|
||||
# 从完整路径获取文件名
|
||||
file_name() {
|
||||
filename=$(echo $1 | rev | awk -v FS='/' '{print $1}' | rev)
|
||||
echo ${filename}
|
||||
}
|
||||
|
||||
# 获取去掉扩展名的文件名
|
||||
file_dirname() {
|
||||
filename=$(file_name $1)
|
||||
filedir=`echo $filename | sed "s/$2//g"`
|
||||
echo $filedir
|
||||
}
|
||||
|
||||
|
||||
@ -27,9 +27,9 @@ EOF
|
||||
cat<<EOF>Makefile
|
||||
obj-m += hello_world.o
|
||||
all:
|
||||
make -C ../work/linux-4.14.9 M=`pwd` modules
|
||||
make -C ../build/linux-4.14.9 M=`pwd` modules
|
||||
clean:
|
||||
make -C ../work/linux-4.14.9 M=`pwd` clean
|
||||
make -C ../build/linux-4.14.9 M=`pwd` clean
|
||||
EOF
|
||||
|
||||
echo $1
|
||||
|
||||
15
mk_strip.sh
15
mk_strip.sh
@ -1,5 +1,8 @@
|
||||
#!/bin/sh
|
||||
|
||||
# 导入公共环境
|
||||
. ./common.sh
|
||||
|
||||
strip_dir() {
|
||||
for file in `ls $1`
|
||||
do
|
||||
@ -24,18 +27,18 @@ strip_dir() {
|
||||
}
|
||||
|
||||
# strip glibc
|
||||
rm -rf work/glibc_install/usr/share
|
||||
strip_dir work/glibc_install
|
||||
rm -rf ${glibc_install}/usr/share
|
||||
strip_dir ${glibc_install}
|
||||
|
||||
# strip busybox
|
||||
rm -rf work/busybox_install/linuxrc
|
||||
strip work/busybox_install/bin/busybox
|
||||
rm -rf ${busybox_install}/linuxrc
|
||||
strip ${busybox_install}/bin/busybox
|
||||
|
||||
# strip gcc
|
||||
#rm -rf work/libgcc_install/usr/share
|
||||
strip_dir work/libgcc_install
|
||||
strip_dir ${gcc_install}
|
||||
|
||||
# strip binutils
|
||||
#rm -rf work/binutils_install/usr/share
|
||||
strip_dir work/binutils_install
|
||||
strip_dir ${binutils_install}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user