Firmware structure and architectural support for monitors, vertical migration and user microprogramming

  • Authors:

  • Mamoru Maekawa;Ken Sakamura;Chiaki Ishikawa

  • Affiliations:

  • University of Texas at Austin, Department of Computer Sciences, Austin, Texas;University of Tokyo, Department of Information Science, Faculty of Science, 7-3-1 Hongo Bunkyo-ku, Tokyo, 113 Japan;University of Tokyo, Department of Information Science, Faculty of Science, 7-3-1 Hongo Bunkyo-ku, Tokyo, 113 Japan

  • Venue:
  • ASPLOS I Proceedings of the first international symposium on Architectural support for programming languages and operating systems
  • Year:
  • 1982

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Abstract

This paper describes firmware and hardware support necessary for constructing easy-to-understand and high performance operating systems including language translators and interpreters. Basic principles are one-to-one correspondence between logical hierarchy and physical hierarchy, and vertical migration. Implementation of monitors in firmware and architectural support for it are discussed, and a sample system is shown. Architectural support for user microprogramming is then discussed and an example is shown. After a total system firmware structure is discussed, an experiment of vertical migration is described. It is shown that a proper selection of modules for migration is extremely important. It is suggested that the direction shown in this paper is one of future directions of computer systems.