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Nachos/486
An Extension of the
Berkeley
Nachos Operating System
Adrian Filipi-Martin - Brian ``Paco'' Hope
May 4, 1995
Overview
Accomplishments and Goals
Development Platform and Supported Platforms
Development Strategy
Interaction With the Original Nachos System
Implementation Details
Boot-strap Loader
First Stage - Loading the Kernel
Second Stage - CPU and Protected Mode Initializations
Third Stage - Run-time System Initialization
Protected Mode Support Routines
Real mode
Protected mode
Switching Modes
Utilized Protected Mode Features
Standalone Library
Kernel Memory Management
Using the Code
Running the Stock Demo
Adding Nachos/486 to the Nachos Tree
Overview of Changes to Nachos
Three Easy Steps to Merging the Code
Tar Files
How to Make the Kernel and Boot Floppy
Avenues for Future Work
Enhancing Protected Mode Capabilities
Removing the Simulator
Disk Subsystem Interaction
Conclusion
About this document ...
Paco Hope
Last modified: Mon Oct 2 15:48:27 1995
