An input/output subsystem for the Hawk operating system kernel

  • Authors:
  • David L. Harris

  • Affiliations:
  • Sandia National Laboratories, Albuquerque, NM

  • Venue:
  • ACM SIGOPS Operating Systems Review
  • Year:
  • 1988

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Abstract

This paper describes the input/output subsystem that is provided with the Hawk operating system kernel and the SANDAC V computer. Hawk and the SANDAC V were designed for embedded hard real-time applications. The IOS is a hierarchically organized set of modules t h a t can be configured to match the requirements of a specific real-time application. It was designed to interact with and control a variety of peripheral devices, some of which do not match traditional models. The subsystem executes concurrently with the application tasks in either an asynchronous or synchronous fashion.