Update README with fix for qemu -serial stdio bug ***FIX*** #118
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Pull request contains a small modification to the README to make note of an issue I encountered that took me awhile to find a solution.
I saw that some other people were having this issue although I did not see a solution so I thought this would be a nice addition to the README since I found a fix. I had this problem on an M1 Pro MacBook Pro running QEMU version 9.0.1. When trying to run
make runwith the commandqemu-system-aarch64 -nographic -M raspi3b -kernel kernel8.img -serial null -serial stdiothe errorqemu-system-aarch64: -serial stdio: could not connect serial device to character backend 'stdio'was thrown. After looking on the Qemu wiki I found the fix to be adding mon: before stdio such that the option becomes-serial mon:stdio.