IO Virtualisation in a Partitioned System M Masmano, S Peiró, J Sánchez, J. Simo, A. Crespo To cite this version: M Masmano, S Peiró, J Sánchez, J. Simo, A. Crespo. IO Virtualisation in a Partitioned System. Embedded Real Time Software and Systems (ERTS2012), Feb 2012, Toulouse, France. hal-02192402 HAL Id: hal-02192402 https://hal.archives-ouvertes.fr/hal-02192402 Submitted on 23 Jul 2019 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. IO Virtualisation in a Partitioned System M. Masmano, S. Peiro,´ J. Sanchez´ , J. Simo,´ A. Crespo Instituto de Automatica e Informatica Industrial Universidad Politecnica de Valencia, Spain fmmasmano,speiro,jsanchez,jsimo,
[email protected] Abstract OVERSEE makes XtratuM system partitioning the best way to isolate and protect applications from each other. Partitioned systems permit to isolate in partitions sev- Finally, for this system, the chosen target hardware is the eral applications with different security levels and/or crit- Intel Atom architecture, which is the Intel architecture for icality. Hypervisor technology provides virtual machines embedded systems. to execute partitions under two basic principles: space and time isolation. This view is complemented with the XtratuM ensures temporal and spatial isolation of the ”dedicated devices” technique that assigns devices exclu- applications that run over it.