Crate axstarry

The entry of syscall, which will distribute the syscall to the corresponding function

Functions

• fs_init
  在执行系统调用前初始化文件系统
• init_current_dir
  在完成一次系统调用之后，恢复全局目录
• println
  To print a string to the console
• recycle_user_process
  释放所有非内核进程
• run_testcase
  To run a testcase with the given name, which will be used in initproc