30 May '12, 6am

Using emulation to debug software and hardware at the same time: In the past, the creation of hardware chips was...

Today’s system-on-chip (SoC) designs aren’t just hardware anymore. In the past, the creation of hardware chips was separate from the creation of the software to be executed on those chips, but today an SoC isn’t complete until you’ve proven that the intended software works – and works well – on the platform. In other words, today the SoC itself is a full-fledged embedded system. This comes with a benefit. In the past, if there was a hardware problem the software programmer had to figure out how to code around it because the hardware was already done. By validating the software before declaring an SoC to be complete, you get an opportunity to fix hardware issues before they’re cast into silicon. But that benefit comes with a challenge: debugging efforts may lead to a hardware or a software cause. You can’t assume either one is correct. Hardware debug before tape-out is trad...

Full article: http://www.eetimes.com/design/embedded/4373993/Using-emul...

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