北京邮电大学2025春季操作系统课程设计
PotatOS是一个用 Rust 编写的基于 2024 春夏季开源操作系统训练营 rCore 项目的 RISC-V 架构的兼容 POSIX 协议的操作系统内核，实现了基本的进程管理、内存管理、文件系统和设备驱动。
查看官方教程。
$ rustup target add riscv64gc-unknown-none-elf
$ cargo install cargo-binutils --vers =0.3.3
$ rustup component add llvm-tools-preview
$ rustup component add rust-src# install dependency packages
$ sudo apt install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev \
gawk build-essential bison flex texinfo gperf libtool patchutils bc \
zlib1g-dev libexpat-dev pkg-config libglib2.0-dev libpixman-1-dev git tmux python3 python3-pip
# download Qemu source code
$ wget https://download.qemu.org/qemu-7.0.0.tar.xz
# extract to qemu-7.0.0/
$ tar xvJf qemu-7.0.0.tar.xz
$ cd qemu-7.0.0
# build
$ ./configure --target-list=riscv64-softmmu,riscv64-linux-user
$ make -j$(nproc)载入环境变量：
export PATH=$PATH:/path/to/qemu-7.0.0
export PATH=$PATH:/path/to/qemu-7.0.0/riscv64-softmmu
export PATH=$PATH:/path/to/qemu-7.0.0/riscv64-linux-user
更新shell：
$ source ~/.bashrc检查QEMU版本
$ qemu-system-riscv64 --version
QEMU emulator version 7.0.0
Copyright (c) 2003-2020 Fabrice Bellard and the QEMU Project developers根据机器下载对应版本：官方网站(Ctrl+F 'toolchain').
加入环境变量
检查GDB版本：
$ riscv64-unknown-elf-gdb --version
GNU gdb (SiFive GDB-Metal 10.1.0-2020.12.7) 10.1
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.$ git clone https://github.com/Kiid-A/PotatOS.git
$ cd PotatOS/os
$ make run