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http://dx.doi.org/10.14372/IEMEK.2014.9.5.253

Linux-based ARINC 653 Space Separation for Spacecraft Computer  

Kim, Duksoo (Chungnam National University)
Joe, Hyunwoo (Chungnam National University)
Kim, Hyungshin (Chungnam National University)
Publication Information
IEMEK Journal of Embedded Systems and Applications / v.9, no.5, 2014 , pp. 253-260 More about this Journal
Abstract
European Space Agency has recognized Integrated Modular Avionics and ARINC specification 653 as avionics computer system for space application. Integrated Modular Avionics specification reduces the space by integrating a system composed of many electronic devices into a computer. recent researches have been studying how to apply the ARINC 653 into an open source operating system, such as Linux. These studies have concentrated on partition scheduling for time separation. However, requirements to guarantee spatial separation should be further analyzed to ensure deterministic execution time. Therefore, memory management is needed to verify spatial isolation on Linux systems. This research proposes a new method to accomplish spatial isolation for the ARINC 653 specification in Linux. We have added new data structures and system calls to handle functionalities for spatial separation. They are used during the partition startup process. The proposed method was evaluated on the LEON4 processor, which is the next generation microprocessor to be used in the future space missions. All implementations confirm that spatial isolation of the ARINC 653 specification was accomplished.
Keywords
Integrated Modular Avionics; ARINC 653; Linux; Space Separation; Memory;
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