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FlexPRET: A Processor Platform for Mixed-Criticality Systems
Michael Zimmer, David Broman, Chris Shaver, Edward A. Lee

Citation
Michael Zimmer, David Broman, Chris Shaver, Edward A. Lee. "FlexPRET: A Processor Platform for Mixed-Criticality Systems". Proceedings of the 20th IEEE Real-Time and Embedded Technology and Application Symposium (RTAS), April, 2014.

Abstract
Mixed-criticality systems, in which multiple tasks of varying criticality execute on a single hardware platform, are an emerging research area in real-time embedded systems. High-criticality tasks require spatial and temporal isolation guarantees for independent verification, and the task set should efficiently utilize hardware resources. Hardware-based isolation is desirable but often underutilizes hardware resources, which can consist of multiple single-core, multicore, or multithreaded processors. We present FlexPRET, a processor designed specifically for mixed-criticality systems by allowing each task to make a trade-off between hardware-based isolation and efficient processor utilization. FlexPRET uses fine-grained multithreading with flexible scheduling and timing instructions to provide this functionality.
Source code can be found at https://github.com/pretis/flexpret

Electronic downloads

Citation formats  
  • HTML
    Michael Zimmer, David Broman, Chris Shaver, Edward A. Lee.
    <a
    href="http://chess.eecs.berkeley.edu/pubs/1048.html"
    >FlexPRET: A Processor Platform for Mixed-Criticality
    Systems</a>, Proceedings of the 20th IEEE Real-Time
    and Embedded Technology and Application Symposium (RTAS),
    April, 2014.
  • Plain text
    Michael Zimmer, David Broman, Chris Shaver, Edward A. Lee.
    "FlexPRET: A Processor Platform for Mixed-Criticality
    Systems". Proceedings of the 20th IEEE Real-Time and
    Embedded Technology and Application Symposium (RTAS), April,
    2014.
  • BibTeX
    @inproceedings{ZimmerBromanShaverLee14_FlexPRETProcessorPlatformForMixedCriticalitySystems,
        author = {Michael Zimmer and David Broman and Chris Shaver
                  and Edward A. Lee},
        title = {FlexPRET: A Processor Platform for
                  Mixed-Criticality Systems},
        booktitle = {Proceedings of the 20th IEEE Real-Time and
                  Embedded Technology and Application Symposium
                  (RTAS)},
        month = {April},
        year = {2014},
        abstract = {Mixed-criticality systems, in which multiple tasks
                  of varying criticality execute on a single
                  hardware platform, are an emerging research area
                  in real-time embedded systems. High-criticality
                  tasks require spatial and temporal isolation
                  guarantees for independent verification, and the
                  task set should efficiently utilize hardware
                  resources. Hardware-based isolation is desirable
                  but often underutilizes hardware resources, which
                  can consist of multiple single-core, multicore, or
                  multithreaded processors. We present FlexPRET, a
                  processor designed specifically for
                  mixed-criticality systems by allowing each task to
                  make a trade-off between hardware-based isolation
                  and efficient processor utilization. FlexPRET uses
                  fine-grained multithreading with flexible
                  scheduling and timing instructions to provide this
                  functionality. <br> Source code can be found at <a
                  href=https://github.com/pretis/flexpret>https://github.com/pretis/flexpret</a>},
        URL = {http://chess.eecs.berkeley.edu/pubs/1048.html}
    }
    

Posted by David Broman on 15 Jan 2014.
Groups: pret
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