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I’ve seen programs like magicdisc create virtual cd drives and mount them on the machine. How do these programs trick the operating system into thinking there is a new hardware device attached to it?
I imagine I would have to write a driver for the virtual hardware, and I am comfortable in C so that doesn’t sound terrible, but how do I make the OS think there is a piece of hardware attached to it that isn’t?
Thanks!
Usually the operating system has different layers and libraries, at some point there is a library that sits between something above it and the actual hardware, you fake it there, if there is some sort of read sector call, you pretend to read a sector using that sector address, read it from a file, whatever. Each operating system (windows, linux, etc) may do things a different way.