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GRLIB-AN-0004
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1
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Date:
2015-10-28
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2015-10-28
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Description
First issue.
TABLE OF CONTENTS
1
1.1
INTRODUCTION............................................................................................................. 3
Scope of the Document......................................................................................................3
2
SYSTEM LEVEL BACKGROUND.................................................................................3
3
3.1
3.2
3.3
3.4
SCRUBBING EXTERNAL MEMORY............................................................................4
Introduction....................................................................................................................... 4
Baseline software approach............................................................................................... 4
Hardware offloaded scrubbing.......................................................................................... 5
Additional considerations.................................................................................................. 5
4
4.1
4.2
4.3
4.4
HANDLING UNCORRECTABLE ERRORS.................................................................. 5
Background........................................................................................................................5
LEON Processor Behaviour on Uncorrectable Errors.......................................................6
Data Trap Handler............................................................................................................. 7
Additional considerations.................................................................................................. 9
© Cobham Gaisler AB