Can't load firmware to Pru on Beaglebone Black

@RobertCNelson It seems that i can load in other firmware into the pru and start/stop them successfully except for the firmwares am335x-pru1-fw and am335x-pru0-fw. I checked that if these files exist and they do, they are located in /lib/firmware

I figure i should try out the next step which is to write to the pru character devices with:
‘echo “test30” > /dev/rpmsg_pru30’
‘echo “test31” > /dev/rpmsg_pru31’

however rpmsg_pru30 and rpmsg_pru31 dont exist in /dev

I found someone who experienced a similar issue and they resolved it at the link below. However the file that the person references as a solution to the problem seems to be empty. I was wondering if you had any insight on this? Thank you.

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