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Locks are widely used as a synchronization method to guarantee the mutual exclusion for accesses to shared resources in multi-core embedded systems. They have been studied for years to improve performance, fairness, predictability etc. and a variety of lock implementations optimized for different scenarios have been proposed. In practice, applying an appropriate lock type to a specific scenario is...
Software diagnosis on MPSoCs, the process of finding functional bugs or performance inefficiencies in complex hardware-software systems, is challenging. As both software and hardware complexity grow, the software observability decreases. At the same time, understanding the intended software behavior has become more difficult. We present an integrated approach which combines domain-specific representations...
Contention for shared resources is a major performance issue in multicore systems. In embedded multicore microcontrollers, contentions of program flash accesses have a significant performance impact, because the flash access has a large latency compared to a core clock cycle. Therefore, the detection and analysis of program flash contentions are necessary to remedy this situation. With a lack of existing...
In this paper, we firstly give an overview of the security perimeter in modern automotive systems and propose then a cost effective solution for authentication of communication data. The proposed solution provides end to end protection, it covers the aspects data content and generation time (freshness) and it can be implemented for different standard communication busses without a bus protocol change...
Advanced debug support and trace capabilities are getting ever more important for overcoming the challenges of developing complex real-time embedded systems containing complex Systems-on-Chip (SoCs). Gathering and handling of very large software and system traces becomes a major challenge. We present an approach of recording and fusing software and system traces in combined simulated and real system...
Unlimited program flow trace is used for performance analysis on function level and for debugging of sporadic effects. Trace output via an affordable and robust tool interface like Infineon's two pin DAP [1] requires a very high trace compression. With a novel approach the required compression is achieved by tracing just calls and returns of functions and by filtering out completely very short functions,...
We have seen the practical use of multi-processors in complex SoCs and systems grow in the past several years, and the discussion range from architectures through to programming models. One of the issues that poses several challenges to design and verification teams is that of multi-core debug, especially in heterogeneous systems where the processors may be from different vendors, and even when from...
Hardware-in-the-Loop (HIL) simulation is an important method in the design and validation process of complex hardware/software systems like electronic control units (ECU) for automotive applications. In [1] we presented an approach called Chip Hardware-In-The-Loop Simulation (CHILS) to embed a microcontroller (MC) into different simulation environments. To optimize the coupling between simulation...
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