[CSE]  Advanced Operating Systems 
  COMP9242 2002/S2  		UNSW
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Administration               
- Notices
- Course Intro
- Consultations
# On-line Survey (closed)
- Survey Results
 
Work
- Lectures
- Milestone 0
- Project Admin
- Project Spec
- Project FAQ
- Exam
 
Documentation
- ASysT Lab
- L4 source browser
- Sulima ISA Simulator
- R4x00 ISA Summary 
- MIPS R4700 Reference - MIPS R4000 User Manual 
- Network Driver
- GT64111
 
Related Info
- Aurema OS Prize
- OS Hall of Fame
 
History
- 2000
- 1999
- 1998
 
Staff
- Gernot Heiser (LiC)

 
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Next: DIT header page (MIPS) Up: 01-l4 Previous: The Root Pager

Kernel information page

  • Lives in kernel reserved space
  • Mapped by \(\sigma_0\) upon requesting a particular invalid page (address -3 on MIPS).
  • Mapped read-only to anyone requesting it at any time.
  • Contains information about L4 and machine:
    • L4 version etc,
    • size of physical memory,
    • size and address of L4 reserved memory,
    • millisecond real-time clock,
    • address of DIT header page (MIPS).


Gernot Heiser 2002-08-07