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rCore 标准代码运行方式补充

• 记录一些运行过程中的问题及解决

• 原仓库

  • rCore-Tutorial
  • os_kernel_lab

• 报错:

  • 最终修改了报错中的 virtio-drivers 源码, 应该不是个好办法

    error[E0658]: use of unstable library feature 'renamed_spin_loop'
     --> /home/yy/.cargo/git/checkouts/virtio-drivers-4fdfaa862bcdc399/6c5c8e2/src/gpu.rs:4:5
      |
    4 | use core::hint::spin_loop;
      |     ^^^^^^^^^^^^^^^^^^^^^
      |
      = note: see issue #55002 <https://github.com/rust-lang/rust/issues/55002> for more information
      = help: add `#![feature(renamed_spin_loop)]` to the crate attributes to enable
    
    error[E0658]: use of unstable library feature 'renamed_spin_loop'
       --> /home/yy/.cargo/git/checkouts/virtio-drivers-4fdfaa862bcdc399/6c5c8e2/src/gpu.rs:158:13
        |
    158 |             spin_loop();
        |             ^^^^^^^^^
        |
        = note: see issue #55002 <https://github.com/rust-lang/rust/issues/55002> for more information
        = help: add `#![feature(renamed_spin_loop)]` to the crate attributes to enable
    
    error: aborting due to 2 previous errors
    
    For more information about this error, try `rustc --explain E0658`.
    error: could not compile `virtio-drivers`.
    
    To learn more, run the command again with --verbose.
    warning: build failed, waiting for other jobs to finish...
    error: build failed
    make: *** [Makefile:24: kernel] Error 101

• 提示:

    Compiling os v0.1.0 (/home/yy/os_labs/os_kernel_lab/os)
      Finished dev [unoptimized + debuginfo] target(s) in 21.98s
  qemu-system-riscv64: -drive file=../user/build/disk.img,format=qcow2,id=sfs: Could not open '../user/build/disk.img': No such file or directory
  make: *** [Makefile:40: qemu] Error 1

  • 需要先在 /user 目录下执行 make build 生成对应的镜像

对 ucore-Tutorial README 的补充

仓库原链接

对标 rCore-Tutorial-v3 的 C 版本代码。

主要参考 xv6-riscv。

运行方式：

• 在root(sudo -s指令)用户下按照文档配置环境
• 于 user 目录 make, 得到用户文件(user/target/*.bin)
• 于 kernel 目录 make run，运行 os