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This paper presents AUTOBEST, a united AUTOSAR-OS and ARINC 653 RTOS kernel that addresses the requirements of both automotive and avionics domains. We show that their domain-specific requirements have a common basis and can be implemented with a small partitioning microkernel-based design on embedded microcontrollers with memory protection (MPU) support. While both, AUTOSAR and ARINC 653, use a unified...
With heterogeneous computing on the rise, executing programs efficiently on different devices from a single source code has become increasingly important. OpenCL, having a bulk-synchronous programming model, has been proposed as a framework for writing such performance-portable programs. Execution order of work-items in a program is unconstrained except at barrier synchronization events, giving some...
Automation systems must primarily be deterministic and reliable, especially in safety-critical environments. With recent trends such as mass customization or Industry 4.0, there is an increasing need for automation systems to be dynamic. Changing parts of the software of today's automation systems, however, typically requires rebooting the controller, which makes software updates a complex and costly...
SystemC is a widespread language for HW/SW system simulation and design exploration, and thus a key development platform in embedded system design. However, the growing complexity of SoC designs is having an impact on simulation performance, leading to limited SoC exploration potential, which in turns affects development and verification schedules and time-to-market for new designs. Previous efforts...
Concurrent applications in virtualized environments (VE) encounter synchronization problems such as Lock Holder Preemption (LHP). Hybrid co-scheduling is an effective approach to address such problems. However, the contention and exclusiveness between multiple concurrent domains in hybrid co-scheduling cause a serious performance degradation and unfairness. To keep the benefits brought by hybrid co-scheduling...
A SystemC simulation kernel consists of a deterministic implementation of the scheduler, whose specification is non- deterministic. To leverage testing of a SystemC TLM design, we focus on automatically exploring all possible behaviors of the design for a given data input. We combine static and dynamic partial order reduction techniques with SystemC semantics to intelligently explore a subset of the...
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