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KeyKOS Principles

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KL002-04

Fourth Edition (January 1987)

Copyright © 1985, 1988 Key Logic. All rights reserved.

KeyKOS(tm) is a trademark of Key Logic.
IBM(tm) is a trademark of International Business Machines Corporation.

Table of Contents

Introduction

Chapter 1. Overview

• General Points
• Lifetime of a KeyKOS System
• Functions of the KeyKOS Kernel

Chapter 2. KeyKOS Kernel Constructs

• Keys
  • Keys and Objects
  • Keys that Designate Nodes
  • Keys that Designate Pages
  • Other Keys
• Nodes
• Pages
• Domains
  • Nomenclature
  • Domain Components
  • Key Registers
  • General Purpose and Floating Point Registers
  • Well-Formed Domains
  • Domain States
• How a Domain Invokes a Key
  • Parameters
  • Types of Invocations
  • Specifying an Explicit Invocation
  • Invocation Action
  • Gate Types
  • How an Invoked Domain Receives Control
  • Trapping Due to Rejected Parameter Words
  • Pathologies
• Meters, Resources, and Charge Sets
  • Meter Hierarchies
  • Kinds of Resources
  • Meter Keepers
  • Meter Format
  • Charge Sets
• Segments and Domain Addressing
  • Keys Associated with Segments
  • Red
  • Black Segmode Keys
  • Initial Slots
  • Keys in Initial Slots
  • Resolution of Addresses
  • Obscure Limitations
• Program Surveillance
  • Monitor Call Instruction
  • Program Event Recording (PER)
  • PER and Key Invocations
• Trapping
  • The Trap Code
• Checkpoint-Restart Facility
• Journalizing Facilities

Chapter 3. Primary Functions

• Restricted Primary Keys
• I/O Keys
• Introduction to Primary Keys

Appendix A. Informal Discussion of Domain States

Index A-L

Index M-W

This page last updated 31 July 2001