Does M4 of the Portenta H7 have access to the serial monitor?

[jerteach]

Thanks TJaekel.

I got it working thanks to your examples.

https://github.com/hpssjellis/my-examples-for-the-arduino-portentaH7/blob/master/my02-dual-core-RPC.ino

The -fexceptions compiler option was a bit trickier than I expected. I put notes in the top of my file.