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        <li class="header">概述</li>
        
        
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                    课程介绍
            
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                    book-riscv-rev1
            
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                    第一章 操作系统接口
            
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        <li class="chapter " data-level="2.1.1.1" data-path="tranlate_books/book-riscv-rev1/c1/s1.html">
            
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                    1.1 进程和内存
            
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        <li class="chapter " data-level="2.1.1.2" data-path="tranlate_books/book-riscv-rev1/c1/s2.html">
            
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                    1.2 I/O和文件描述符
            
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        <li class="chapter " data-level="2.1.1.3" data-path="tranlate_books/book-riscv-rev1/c1/s3.html">
            
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                    1.3 管道
            
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        <li class="chapter " data-level="2.1.1.4" data-path="tranlate_books/book-riscv-rev1/c1/s4.html">
            
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                    1.4 文件系统
            
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                    1.5 真实世界
            
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        <li class="chapter " data-level="2.1.1.6" data-path="tranlate_books/book-riscv-rev1/c1/s6.html">
            
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                    1.6 练习
            
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        <li class="chapter " data-level="2.1.2" data-path="tranlate_books/book-riscv-rev1/c2/s0.html">
            
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                    第二章 操作系统架构
            
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                    2.1 抽象系统资源
            
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        <li class="chapter " data-level="2.1.2.2" data-path="tranlate_books/book-riscv-rev1/c2/s2.html">
            
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                    2.2 用户态，核心态，以及系统调用
            
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        <li class="chapter " data-level="2.1.2.3" data-path="tranlate_books/book-riscv-rev1/c2/s3.html">
            
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                    2.3 内核组织
            
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        <li class="chapter " data-level="2.1.2.4" data-path="tranlate_books/book-riscv-rev1/c2/s4.html">
            
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                    2.4 代码：XV6架构篇
            
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        <li class="chapter " data-level="2.1.2.5" data-path="tranlate_books/book-riscv-rev1/c2/s5.html">
            
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                    2.5 进程概述
            
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        <li class="chapter " data-level="2.1.2.6" data-path="tranlate_books/book-riscv-rev1/c2/s6.html">
            
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                    2.6 代码：启动XV6和第一个进程
            
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        <li class="chapter " data-level="2.1.2.7" data-path="tranlate_books/book-riscv-rev1/c2/s7.html">
            
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                    2.7 真实世界
            
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        <li class="chapter " data-level="2.1.2.8" data-path="tranlate_books/book-riscv-rev1/c2/s8.html">
            
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                    2.8 练习
            
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        <li class="chapter " data-level="2.1.3" data-path="tranlate_books/book-riscv-rev1/c3/s0.html">
            
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                    第三章 页表
            
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        <li class="chapter " data-level="2.1.3.1" data-path="tranlate_books/book-riscv-rev1/c3/s1.html">
            
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                    3.1 页式硬件
            
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        <li class="chapter " data-level="2.1.3.2" data-path="tranlate_books/book-riscv-rev1/c3/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c3/s2.html">
            
                    
                    3.2 内核地址空间
            
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        <li class="chapter " data-level="2.1.3.3" data-path="tranlate_books/book-riscv-rev1/c3/s3.html">
            
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                    3.3 代码：创建一个地址空间
            
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        <li class="chapter " data-level="2.1.3.4" data-path="tranlate_books/book-riscv-rev1/c3/s4.html">
            
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                    3.4 物理内存分配
            
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        <li class="chapter " data-level="2.1.3.5" data-path="tranlate_books/book-riscv-rev1/c3/s5.html">
            
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                    3.5 代码：物理内存分配
            
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        <li class="chapter " data-level="2.1.3.6" data-path="tranlate_books/book-riscv-rev1/c3/s6.html">
            
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                    3.6 进程地址空间
            
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        <li class="chapter " data-level="2.1.3.7" data-path="tranlate_books/book-riscv-rev1/c3/s7.html">
            
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                    3.7 代码：sbrk
            
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        <li class="chapter " data-level="2.1.3.8" data-path="tranlate_books/book-riscv-rev1/c3/s8.html">
            
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                    3.8 代码：exec
            
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        <li class="chapter " data-level="2.1.3.9" data-path="tranlate_books/book-riscv-rev1/c3/s9.html">
            
                <a href="tranlate_books/book-riscv-rev1/c3/s9.html">
            
                    
                    3.9 真实世界
            
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        <li class="chapter " data-level="2.1.3.10" data-path="tranlate_books/book-riscv-rev1/c3/s10.html">
            
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                    3.10 练习
            
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            </ul>
            
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        <li class="chapter " data-level="2.1.4" data-path="tranlate_books/book-riscv-rev1/c4/s0.html">
            
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                    第四章 陷阱指令和系统调用
            
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        <li class="chapter " data-level="2.1.4.1" data-path="tranlate_books/book-riscv-rev1/c4/s1.html">
            
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                    4.1 RISC-V陷入机制
            
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        <li class="chapter " data-level="2.1.4.2" data-path="tranlate_books/book-riscv-rev1/c4/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c4/s2.html">
            
                    
                    4.2 从用户空间陷入
            
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        <li class="chapter " data-level="2.1.4.3" data-path="tranlate_books/book-riscv-rev1/c4/s3.html">
            
                <a href="tranlate_books/book-riscv-rev1/c4/s3.html">
            
                    
                    4.3 代码：调用系统调用
            
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        <li class="chapter " data-level="2.1.4.4" data-path="tranlate_books/book-riscv-rev1/c4/s4.html">
            
                <a href="tranlate_books/book-riscv-rev1/c4/s4.html">
            
                    
                    4.4 系统调用参数
            
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        <li class="chapter " data-level="2.1.4.5" data-path="tranlate_books/book-riscv-rev1/c4/s5.html">
            
                <a href="tranlate_books/book-riscv-rev1/c4/s5.html">
            
                    
                    4.5 从内核空间陷入
            
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        <li class="chapter " data-level="2.1.4.6" data-path="tranlate_books/book-riscv-rev1/c4/s6.html">
            
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                    4.6 页面错误异常
            
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        <li class="chapter " data-level="2.1.4.7" data-path="tranlate_books/book-riscv-rev1/c4/s7.html">
            
                <a href="tranlate_books/book-riscv-rev1/c4/s7.html">
            
                    
                    4.7 真实世界
            
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        <li class="chapter " data-level="2.1.4.8" data-path="tranlate_books/book-riscv-rev1/c4/s8.html">
            
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                    4.8 练习
            
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            </ul>
            
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        <li class="chapter " data-level="2.1.5" data-path="tranlate_books/book-riscv-rev1/c5/s0.html">
            
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                    第五章 中断和设备驱动
            
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        <li class="chapter " data-level="2.1.5.1" data-path="tranlate_books/book-riscv-rev1/c5/s1.html">
            
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                    5.1 代码：控制台输入
            
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        <li class="chapter " data-level="2.1.5.2" data-path="tranlate_books/book-riscv-rev1/c5/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c5/s2.html">
            
                    
                    5.2 代码：控制台输出
            
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        <li class="chapter " data-level="2.1.5.3" data-path="tranlate_books/book-riscv-rev1/c5/s3.html">
            
                <a href="tranlate_books/book-riscv-rev1/c5/s3.html">
            
                    
                    5.3 驱动中的并发
            
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        <li class="chapter " data-level="2.1.5.4" data-path="tranlate_books/book-riscv-rev1/c5/s4.html">
            
                <a href="tranlate_books/book-riscv-rev1/c5/s4.html">
            
                    
                    5.4 定时器中断
            
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        <li class="chapter " data-level="2.1.5.5" data-path="tranlate_books/book-riscv-rev1/c5/s5.html">
            
                <a href="tranlate_books/book-riscv-rev1/c5/s5.html">
            
                    
                    5.5 真实世界
            
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        <li class="chapter " data-level="2.1.5.6" data-path="tranlate_books/book-riscv-rev1/c5/s6.html">
            
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                    5.6 练习
            
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            </ul>
            
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        <li class="chapter " data-level="2.1.6" data-path="tranlate_books/book-riscv-rev1/c6/s0.html">
            
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                    第六章 锁
            
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        <li class="chapter " data-level="2.1.6.1" data-path="tranlate_books/book-riscv-rev1/c6/s1.html">
            
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                    6.1 竞态条件
            
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        <li class="chapter " data-level="2.1.6.2" data-path="tranlate_books/book-riscv-rev1/c6/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s2.html">
            
                    
                    6.2 代码：Locks
            
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        <li class="chapter " data-level="2.1.6.3" data-path="tranlate_books/book-riscv-rev1/c6/s3.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s3.html">
            
                    
                    6.3 代码：使用锁
            
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        </li>
    
        <li class="chapter " data-level="2.1.6.4" data-path="tranlate_books/book-riscv-rev1/c6/s4.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s4.html">
            
                    
                    6.4  死锁和锁排序
            
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        <li class="chapter " data-level="2.1.6.5" data-path="tranlate_books/book-riscv-rev1/c6/s5.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s5.html">
            
                    
                    6.5 锁和中断处理函数
            
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        <li class="chapter " data-level="2.1.6.6" data-path="tranlate_books/book-riscv-rev1/c6/s6.html">
            
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                    6.6 指令和内存访问排序
            
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        <li class="chapter " data-level="2.1.6.7" data-path="tranlate_books/book-riscv-rev1/c6/s7.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s7.html">
            
                    
                    6.7 睡眠锁
            
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        <li class="chapter " data-level="2.1.6.8" data-path="tranlate_books/book-riscv-rev1/c6/s8.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s8.html">
            
                    
                    6.8 真实世界
            
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        <li class="chapter " data-level="2.1.6.9" data-path="tranlate_books/book-riscv-rev1/c6/s9.html">
            
                <a href="tranlate_books/book-riscv-rev1/c6/s9.html">
            
                    
                    6.9 练习
            
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        <li class="chapter " data-level="2.1.7" data-path="tranlate_books/book-riscv-rev1/c7/s0.html">
            
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                    第七章  调度
            
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        <li class="chapter " data-level="2.1.7.1" data-path="tranlate_books/book-riscv-rev1/c7/s1.html">
            
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                    7.1 多路复用
            
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        <li class="chapter " data-level="2.1.7.2" data-path="tranlate_books/book-riscv-rev1/c7/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s2.html">
            
                    
                    7.2 代码：上下文切换
            
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        <li class="chapter " data-level="2.1.7.3" data-path="tranlate_books/book-riscv-rev1/c7/s3.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s3.html">
            
                    
                    7.3 代码：调度
            
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        <li class="chapter " data-level="2.1.7.4" data-path="tranlate_books/book-riscv-rev1/c7/s4.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s4.html">
            
                    
                    7.4 代码：mycpu和myproc
            
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        <li class="chapter " data-level="2.1.7.5" data-path="tranlate_books/book-riscv-rev1/c7/s5.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s5.html">
            
                    
                    7.5 sleep与wakeup
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="2.1.7.6" data-path="tranlate_books/book-riscv-rev1/c7/s6.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s6.html">
            
                    
                    7.6 代码：sleep和wakeup
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="2.1.7.7" data-path="tranlate_books/book-riscv-rev1/c7/s7.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s7.html">
            
                    
                    7.7 代码：Pipes
            
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        </li>
    
        <li class="chapter " data-level="2.1.7.8" data-path="tranlate_books/book-riscv-rev1/c7/s8.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s8.html">
            
                    
                    7.8 代码：wait, exit和kill
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="2.1.7.9" data-path="tranlate_books/book-riscv-rev1/c7/s9.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s9.html">
            
                    
                    7.9 真实世界
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="2.1.7.10" data-path="tranlate_books/book-riscv-rev1/c7/s10.html">
            
                <a href="tranlate_books/book-riscv-rev1/c7/s10.html">
            
                    
                    7.10 练习
            
                </a>
            

        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.1.8" data-path="tranlate_books/book-riscv-rev1/c8/s0.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s0.html">
            
                    
                    第八章 文件系统
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="2.1.8.1" data-path="tranlate_books/book-riscv-rev1/c8/s1.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s1.html">
            
                    
                    8.1 概述
            
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        <li class="chapter " data-level="2.1.8.2" data-path="tranlate_books/book-riscv-rev1/c8/s2.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s2.html">
            
                    
                    8.2 Buffer cache层
            
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        <li class="chapter " data-level="2.1.8.3" data-path="tranlate_books/book-riscv-rev1/c8/s3.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s3.html">
            
                    
                    8.3 代码：Buffer cache
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.4" data-path="tranlate_books/book-riscv-rev1/c8/s4.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s4.html">
            
                    
                    8.4 日志层
            
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        <li class="chapter " data-level="2.1.8.5" data-path="tranlate_books/book-riscv-rev1/c8/s5.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s5.html">
            
                    
                    8.5 日志设计
            
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        <li class="chapter " data-level="2.1.8.6" data-path="tranlate_books/book-riscv-rev1/c8/s6.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s6.html">
            
                    
                    8.6 代码：日志
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.7" data-path="tranlate_books/book-riscv-rev1/c8/s7.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s7.html">
            
                    
                    8.7 代码：块分配器
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.8" data-path="tranlate_books/book-riscv-rev1/c8/s8.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s8.html">
            
                    
                    8.8 索引结点层
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.9" data-path="tranlate_books/book-riscv-rev1/c8/s9.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s9.html">
            
                    
                    8.9 代码：Inodes
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.10" data-path="tranlate_books/book-riscv-rev1/c8/s10.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s10.html">
            
                    
                    8.10 代码： Inode包含内容
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.11" data-path="tranlate_books/book-riscv-rev1/c8/s11.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s11.html">
            
                    
                    8.11 代码：目录层
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.12" data-path="tranlate_books/book-riscv-rev1/c8/s12.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s12.html">
            
                    
                    8.12 代码：路径名
            
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        </li>
    
        <li class="chapter " data-level="2.1.8.13" data-path="tranlate_books/book-riscv-rev1/c8/s13.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s13.html">
            
                    
                    8.13 文件描述符层
            
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        <li class="chapter " data-level="2.1.8.14" data-path="tranlate_books/book-riscv-rev1/c8/s14.html">
            
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                    8.14 代码：系统调用
            
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        <li class="chapter " data-level="2.1.8.15" data-path="tranlate_books/book-riscv-rev1/c8/s15.html">
            
                <a href="tranlate_books/book-riscv-rev1/c8/s15.html">
            
                    
                    8.15 真实世界
            
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        <li class="chapter " data-level="2.1.8.16" data-path="tranlate_books/book-riscv-rev1/c8/s16.html">
            
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                    8.16 练习
            
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                    Introduction
            
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                    使用GNU Debugger
            
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                    C Pointers, gdb
            
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                    Calling Convention
            
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        <li class="chapter " data-level="2.6" data-path="tranlate_books/Journaling the Linux ext2fs Filesystem.html">
            
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                    Journaling the Linux ext2fs Filesystem
            
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        <li class="header">实验记录</li>
        
        
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                    版本控制
            
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        <li class="chapter " data-level="3.2" data-path="labs/requirements/summary.html">
            
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                    实验内容
            
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        <li class="chapter " data-level="3.2.1" data-path="labs/requirements/lab1.html">
            
                <a href="labs/requirements/lab1.html">
            
                    
                    Lab1: Xv6 and Unix utilities
            
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        <li class="chapter " data-level="3.2.2" data-path="labs/requirements/lab2.html">
            
                <a href="labs/requirements/lab2.html">
            
                    
                    Lab2: System calls
            
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        <li class="chapter " data-level="3.2.3" data-path="labs/requirements/lab3.html">
            
                <a href="labs/requirements/lab3.html">
            
                    
                    Lab3: Page tables
            
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        </li>
    
        <li class="chapter " data-level="3.2.4" data-path="labs/requirements/lab4.html">
            
                <a href="labs/requirements/lab4.html">
            
                    
                    Lab4: Traps
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.2.5" data-path="labs/requirements/lab5.html">
            
                <a href="labs/requirements/lab5.html">
            
                    
                    Lab5: Xv6 lazy page allocation
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.2.6" data-path="labs/requirements/lab6.html">
            
                <a href="labs/requirements/lab6.html">
            
                    
                    Lab6: Copy-on-Write Fork for xv6
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.2.7" data-path="labs/requirements/lab7.html">
            
                <a href="labs/requirements/lab7.html">
            
                    
                    Lab7: Multithreading
            
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        </li>
    
        <li class="chapter " data-level="3.2.8" data-path="labs/requirements/lab8.html">
            
                <a href="labs/requirements/lab8.html">
            
                    
                    Lab8: Locks
            
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        </li>
    
        <li class="chapter " data-level="3.2.9" data-path="labs/requirements/lab9.html">
            
                <a href="labs/requirements/lab9.html">
            
                    
                    Lab9: File system
            
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        </li>
    
        <li class="chapter " data-level="3.2.10" data-path="labs/requirements/lab10.html">
            
                <a href="labs/requirements/lab10.html">
            
                    
                    Lab10: Mmap
            
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        </li>
    
        <li class="chapter " data-level="3.2.11" data-path="labs/requirements/lab11.html">
            
                <a href="labs/requirements/lab11.html">
            
                    
                    Lab11: Network
            
                </a>
            

        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="3.3" data-path="labs/answers/summary.html">
            
                <a href="labs/answers/summary.html">
            
                    
                    实验解析
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="3.3.1" data-path="labs/answers/lab1.html">
            
                <a href="labs/answers/lab1.html">
            
                    
                    Lab1: Util
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.3.2" data-path="labs/answers/lab2.html">
            
                <a href="labs/answers/lab2.html">
            
                    
                    Lab2: Syscall
            
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        </li>
    
        <li class="chapter " data-level="3.3.3" data-path="labs/answers/lab3.html">
            
                <a href="labs/answers/lab3.html">
            
                    
                    Lab3: Pgtbl
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.3.4" data-path="labs/answers/lab4.html">
            
                <a href="labs/answers/lab4.html">
            
                    
                    Lab4: Traps
            
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        </li>
    
        <li class="chapter " data-level="3.3.5" data-path="labs/answers/lab5.html">
            
                <a href="labs/answers/lab5.html">
            
                    
                    Lab5: Xv6 lazy page allocation
            
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        </li>
    
        <li class="chapter " data-level="3.3.6" data-path="labs/answers/lab6.html">
            
                <a href="labs/answers/lab6.html">
            
                    
                    Lab6: Copy-on-Write Fork for xv6
            
                </a>
            

        </li>
    
        <li class="chapter " data-level="3.3.7" data-path="labs/answers/lab7.html">
            
                <a href="labs/answers/lab7.html">
            
                    
                    Lab7: Multithreading
            
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        </li>
    
        <li class="chapter " data-level="3.3.8" data-path="labs/answers/lab8.html">
            
                <a href="labs/answers/lab8.html">
            
                    
                    Lab8: Locks
            
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        </li>
    
        <li class="chapter " data-level="3.3.9" data-path="labs/answers/lab9.html">
            
                <a href="labs/answers/lab9.html">
            
                    
                    Lab9: File system
            
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        <li class="chapter " data-level="3.3.10" data-path="labs/answers/lab10.html">
            
                <a href="labs/answers/lab10.html">
            
                    
                    Lab10: Mmap
            
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