make: as86：命令未找到
缺少32位汇编器as86，去RPM搜索bin86 用rpm安装：
rpm -ivh bin86-0.16.21-2.1.x86_64.rpm
RPM搜索网站：http://rpmfind.net/linux/RPM/index.html
/usr/include/gnu/stubs.h:7:27: 致命错误：gnu/stubs-32.h：没有那个文件或目录
安装32位glibc-devel：
yum install glibc-devel.i686
安装32位libstdc+±devel：
yum install libstdc++-devel.i686
之后返回主目录用
make all
成功编译内核，产生Image文件
执行run命令时出现问题：
oslab/bochs/bochs-gdb: error while loading shared libraries: libSM.so.6: cannot open shared object file: No such file or directory
安装32位libSM：
yum install libSM.i686
又出现问题：
oslab/bochs/bochs-gdb: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory
oslab/bochs/bochs-gdb: error while loading shared libraries: libXpm.so.4: cannot open shared object file: No such file or directory
安装32位libX11和libXpm：
yum install libX11-devel.i686
yum install libXpm-devel.i686
之后再执行run成功出现Bochs窗口：
