rcore-os/rCore
RCore
rCore is a Rust-based operating system kernel and microkernel designed for Linux compatibility. It functions as a self-hosted development kit that implements a system call interface to support the execution of standard Linux userspace applications.
The system is designed for modularity, featuring a mechanism for loading and integrating kernel modules into the active environment without requiring a system reboot.
The kernel provides core operating system capabilities, including virtual memory mapping for process isolation, a disk-based file system for data persistence, and a layered network protocol stack. It also includes an interrupt-driven asynchronous input and output system and a signal coordination mechanism for communication between isolated processes.
Features
- Linux-Compatible Kernels - Acts as an operating system core that mimics Linux environment behaviors to support standard Linux programs.
- Linux-Compatible Kernel Development - Develops a Rust-based kernel designed to execute standard Linux userspace applications.
- File Storage Systems - Implements a basic file system for organizing, writing, and persisting data to a storage medium.
- Layered Network Stacks - Ships a structured hierarchy of protocol layers to process network traffic.
- Asynchronous IO Systems - Implements an interrupt-driven asynchronous input and output system to prevent execution thread blocking.
- Disk-Based File Systems - Provides a disk-based file system to manage the organization and persistence of data.
- Kernel Memory Implementations - Implements low-level kernel memory management including paging and virtual address mapping.
- Memory Mapping Interfaces - Provides low-level interfaces for mapping physical and virtual memory regions to ensure process isolation.
- System Call Interfaces - Implements a system call interface that mimics Linux to provide core kernel services to userspace applications.
- Operating System Kernels - Implements a core operating system kernel written in Rust with a Linux-compatible system call interface.
- Rust-Based Microkernels - Provides a modular system core using Rust to manage memory allocation, process isolation, and asynchronous IO.
- System Call Interfaces - Provides a Linux-compatible system call interface that allows userspace applications to request core kernel services.
- Virtual Memory Mapping - Manages memory allocation and process isolation through a page table-based virtual memory mapping system.
- Linux Compatibility Layers - Implements a compatibility layer that allows standard Linux userspace applications to run within the kernel environment.
- Non-blocking IO Architectures - Designs non-blocking input and output mechanisms to maintain system responsiveness during heavy processing.
- Network Stacks - Implements a structured, layered network protocol stack for managing data communication within the kernel.
- Interrupt-Driven Async IO - Ships an interrupt-driven asynchronous IO system to prevent the main execution thread from blocking during data operations.
- Kernel Extension Frameworks - Implements a system that allows new features and drivers to be loaded into a running kernel.
- Dynamic Kernel Module Loading - Allows new kernel functions to be integrated into the active environment without requiring a system reboot.
- Operating System Development - Functions as a self-hosted development kit for building and extending a complete operating system stack.
- Asynchronous Process Signaling - Implements a signaling mechanism for asynchronous coordination and event notifications between isolated processes.
- Dynamic Kernel Modules - Provides a mechanism to load and integrate kernel modules into the active environment without a restart.
- Process Coordinators - Provides a signal coordination mechanism to manage communication and events between isolated processes.
Star history
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