Network simulations with OPNET
Proceedings of the 31st conference on Winter simulation: Simulation---a bridge to the future - Volume 1
Aspects in hardware: what do they look like?
Proceedings of the 2008 AOSD workshop on Aspects, components, and patterns for infrastructure software
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Automotive embedded systems today fulfill a large variety of tasks -- from simple mechanisms like window regulators to the control of complex multimedia systems. Current high-end cars use more than 70 microcontrollers, connected over one or more common bus systems. Many of these controllers are comparatively simple 8- or 16-bit systems. The availablility of large-scale FPGAs enables system designers to replace several of these systems with an implementation as software cores. This paper examines novel possibilities for and problems encountered with the integration of several such smaller control components onto an FPGA. Special focus is set on reusability of software by using instruction-compatible CPU cores and interfacing to physical controller units. The paper examines the amount of control systems that can be integrated onto different FGPAs, methods for saving space by including only required on-chip peripherals and the achievable overall performance of the integrated system.