Xilinx Ultrascale+ Safety Platform
Example for an Ultrascale+ Safety Platform
This solution shall meet the following requirements:
Linux on Cortex-A53 Quad-Core
We want to use a symmetric multiprocessing with Linux on the Cortex-A53 Quad-Core for high performance calculations.
Flexible Safety RTOS on Cortex-R5
To meet safety diagnostic coverage, we run Cortex-R5 in Lock-Step Mode with the Flexible Safety RTOS.
Safe Inter-Core Communication
We want to use an end-to-end protected communication between the Linux and RTOS application parts.
Furthermore, this solution shall meet some high-level business goals:
We want to start application development, without the need of integration activities of RTOS and Linux system
LTS for complete Platform
We want to have a long-term supported (LTS) safety platform.
Flexible Safety RTOS
The Flexible Safety RTOS provides a deterministic hard-real-time scheduling and is responsible for:
Scheduling safety related tasks
Task synchronization services
Task communication services
With this integration service, the system is setup with required features and includes:
Configurable end-to-end protection
Workshop for system handling
The Linux distribution from Xilinx with special adjustments to the Ultrascale+ ensures:
Linux application programming
Device driver availability
Optimized for symmetric multi-processing
This usage scenario provides a Linux application software on a high performance quad-core Cortex-A53, monitored by the Flexible Safety RTOS running on the lockstep Cortex-R5 cores. A safe communication and monitoring library completes this high performance system. All safety software parts are already pre-certified.
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