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Added warning about firmware regression to part10-multicore

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Adam Greenwood-Byrne 2021-08-30 15:36:40 +01:00
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part10-multicore/README.md
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@ -152,6 +152,8 @@ Finally, we look at _kernel.c_, where we now have a single `main()`, but also:
_As you run this, you'll see that these functions run in parallel on their respective cores. Welcome to symmetric multi-processing!_ _As you run this, you'll see that these functions run in parallel on their respective cores. Welcome to symmetric multi-processing!_
**If all you see on boot is the rainbow screen, try first updating your firmware using `rpi-update` from Raspbian**
![Code now running on all four cores of the Raspberry Pi 4](images/10-multicore-running.jpg) ![Code now running on all four cores of the Raspberry Pi 4](images/10-multicore-running.jpg)
Coming up in part 11, we'll put all of this work together for a multi-core version of our Breakout game. Coming up in part 11, we'll put all of this work together for a multi-core version of our Breakout game.