xv6lab

mit cs6.s081 xv6lab

学习笔记整理：

[click here]

目前完成：

• xv6 and Unix utilities
  • sleep
  • pingpong
  • primes
  • find
  • xargs
• system calls
  • system call tracing
  • sysinfo
• pgtbl
  • Speed up system calls
  • Print a page table
  • Detect which pages have been accessed
  • A kernel page table per process
  • simplify copyin/copyinstr
• traps
  • Backtrace
  • Alarm
• lazy allocation
• copy-on-write fork
• multithreading
  • uthread: switching between threads
  • using threads
  • barrier
• mmap