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SimOS

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SimOS

SimOS was a full system simulator, developed in the University of Stanford in the late nineties. It was enabled to run IRIX 5.3 on MIPS, and Unix variants (?) on Alpha. [1]

SimOS-PPC

SimOS-PPC was IBM's internal project, running a modified AIX kernel and userland in an emulator, developed by Tom Keller and his team in the Austin lab of IBM.[2] IBM used SimOS to facilitate development of new systems. The software used in this project is now publicly available for download for AIX 4.3 licensees.[3]

Linux/SimOS

Linux/SimOS was "...a Linux operating system port to SimOS, which is a complete machine simulator from Stanford. The motivation for Linux/SimOS is to alleviate the limitations of SimOS, which only supports proprietary operating systems."

[http://www2.computer.org/portal/web/csdl/doi/10.1109/ICPP.2002.1040874 Linux/SimOS - A Simulation Environment for Evaluating High-Speed Communication Systems]

See also

The currently available commercial product, Virtutech Simics was derived from the work of the Swedish Institute of Computer Science, and was originally developed to run a full system simulation of Solaris on SPARC platform.[4] Simics was used by IBM to help develop AIX 6.1 on a simulation of the POWER6 hardware.[5]

Notes and references

  1. ^ SimOS project page at Stanford (now defunct)
  2. ^ SimOS–PPC - Full System Simulation of PowerPC Architecture (Tom Keller, 1999)
  3. ^ IBM Austin Research Laboratory - SimOS-PPC Software Archive
  4. ^ Simics
  5. ^ Virtutech Simics Optimizes Product Development of System P Server Product Line
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