A Generic RTOS Model for Real-time Systems Simulation with SystemC

  • Authors:
  • R. Le Moigne;O. Pasquier;J-P. Calvez

  • Affiliations:
  • -;-;-

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe - Volume 3
  • Year:
  • 2004

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Abstract

The main difficulties in designing real-time systems are related to time constraints: if an action is performed too late, it is considered as a fault (with different levels of criticism). Designers need to use a solution that fully supports timing constraints and enables them to simulate early on the design process a real-time system. One of the main difficulties in designing HW/SW systems resides in studying the effect of serializing tasks on processors running a Real-Time Operating System (RTOS). In this paper, we present a generic model of RTOS based onSystemC. It allows assessing real-time performances and the influence of scheduling according to RTOS properties such as scheduling policy, context-switch time and scheduling latency.