1. Systems Architecture I (CS 281-001) Lecture 16: Exceptions
September 4, 1997
Systems Architecture I (CS ) Lecture 16: Exceptions
Jeremy R. Johnson
Wed. May 31, 2000
*This lecture was derived from material in the text (sec. 5.6).
All figures from Computer Organization and Design: The Hardware/Software Approach, Second Edition, by David Patterson and John Hennessy, are copyrighted material (COPYRIGHT 1998 MORGAN KAUFMANN PUBLISHERS, INC. ALL RIGHTS RESERVED).
May 31, 2000
Systems Architecture I

2. Systems Architecture I
September 4, 1997
Introduction
Objective: Insert support for exceptions into the multicycle implementation
What’s New:
Need to detect exception
Need to transfer control to system to perform exception processing
Need to determine exception type
Need to resume control where exception occurred
Topics
Exceptions (undefined instruction, arithmetic overflow)
Modifications to datapath
Modifications to control
May 31, 2000
Systems Architecture I

3. Multicycle Datapath with Exception Support
May 31, 2000
Systems Architecture I

4. Multicycle Control with Exceptions
May 31, 2000
Systems Architecture I