I thought it is worth to share this knowledge - it was not that straight forward for me.
Make the block device with “loviadm”:
lofiadm -a /home/inferno/cdimage.iso /dev/lofi/1
Mount the image as a read-only filesystem:
mount -F hsfs -o ro /dev/lofi/1 /home/inferno/mount
Haha... you guessed right. I have installed Inferno emu on Solaris. Seems it works well - unfortunately this is not really for the public yet...
