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kernel
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puppy-rtos kernel
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kernel
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# Puppy RTOS Puppy RTOS 项目的目标是实现一个运行在低资源平台上的 POSIX 兼容实时操作系统,系统的原生接口就是 POSIX 接口,没有学习门槛。这是一个全新的项目,所以在实现的时候会多尝试一些新技术,最终目标是希望实现一个支持用户交互,可在线安装应用的实时微内核。 ### Roadmap **M0:一个最小实现的实时内核 [Doing]** - 包含原子操作、实时调度、线程管理、线程间同步、中断管理、内存堆管理。 - 支持一个 Target,可以在 STM32L4 平台上运行。 - 支持两个工具链,gcc、armclang - 充分的内核测试用例 **M1:一个最小实现的实时微内核 [ToDo]** - 支持运行用户态应用 - 用户空间内存隔离 - 用户空间的应用崩溃不影响内核 **M2:一个支持用户交互的实时微内核 [ToDo]** - 支持 apt install 安装应用 - 支持 apt update 检查更新 - 支持 apt remove 卸载应用 ## 如何体验 ### 下载工具链 ``` wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz sudo tar zxf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt /opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version ``` ### 配置编译 ``` xmake f -p cross --sdk=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14 --build_board=qemu-virt-riscv -m debug xmake ``` ### 运行 ``` qemu-system-riscv32.exe -nographic -machine virt -net none -chardev stdio,id=con,mux=on -serial chardev:con -mon chardev=con,mode=readline -bios none -smp 4 -kernel puppy.bin ``` **运行结果** ``` Build Time: Aug 18 2023 08:44:26 _ ____ ____ _____ (_) _ __ / __ \ / __ \ / ___/ / / | |/_/ / /_/ // /_/ / (__ ) / / > < / .___/ \____/ /____/ /_/ /_/|_| /_/ Powered dy puppy-rtos [ 0][I/drv.board] 1:IRQ:I am core 1! [ 0][I/drv.board] 3:IRQ:I am core 3! [ 0][I/drv.board] 2:IRQ:I am core 2! puppy: ```