tock
A secure embedded operating system for microcontrollers that runs multiple concurrent, mutually distrustful applications on Cortex-M and RISC-V platforms.
What is tock?
Tock is an embedded operating system designed for microcontrollers that focuses on security and protection in resource-constrained environments. It enables multiple concurrent applications to run while maintaining isolation between them and the kernel, using Rust for memory safety and hardware memory protection units for isolation. This makes it suitable for IoT and embedded systems where safety and security are critical.
Embedded systems developers and engineers building secure IoT devices, medical devices, industrial controllers, or other safety-critical applications on Cortex-M and RISC-V based microcontrollers. Researchers and academics studying secure embedded operating systems may also find it valuable.
Developers choose Tock over alternatives because it uniquely combines Rust's compile-time memory safety with hardware-enforced application isolation, providing strong security guarantees for resource-constrained embedded systems. Its design specifically addresses running multiple mutually distrustful applications concurrently while protecting both the kernel from drivers and drivers from each other.
Overview
A secure embedded operating system for microcontrollers
Use Cases
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