Cycle-accurate replay and debugging of running FPGA systems

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United States of America Patent

PATENT NO 9217774
APP PUB NO 20150128100A1
SERIAL NO

14473058

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Abstract

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As described herein, a tool records a log (or trace) of all sources of non-determinism in the system. In most of the cases, it's enough to log all transitions and the exact timestamps at all the entry and exit points of the system. By using this information it is possible to recreate a cycle accurate execution of the hardware system in simulation. Unlike CHIPSCOPE and SIGNALTAP which let you monitor a small number of signals in the design, the tool provides visibility into the whole system.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foisy, Daniel Pickering, US 2 12
Shukla, Sunil K Dobbs Ferry, US 24 100

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