ionescu007/SimpleVisor

question how works

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publicocean0 commented

hi is there a simple document how works? Sincerelly except a definition i cant find a mini document explaining how works the mechanism for hypervisor.
Ideally i imagined you define a memory area where you can work , you load the code in that area and if a instruction is trying to go outside there is a trap to a specific function in hypervisor.
a special trap is used also for instructions with IO accesses. But this is just a my idea.How it is possible to associate a trap to hypervisor for wrong memory access,...?
is there a way for creating a trap in user mode in the memory access?

ionescu007 commented

Hi!

Sorry for my late reply. If you're actually trying to build real traps/etc, then I suggest you take a look at HyperPlatform or BareFlank. This is more of a 'toy' hypervisor to show the basic/minimal setup.