| 68 | | * '''Guest context (GC)''' means that !VirtualBox has set up CPU & memory exactly the way the guest expects, but has inserted itself at the "bottom" of the picture, so that !VirtualBox gains control ''first'' for any privileged instructions executed, guest trap or external interrupts, before !VirtualBox may then possibly delegate handling such things to the host OS. So, in the guest context, we have |
| | 68 | * '''Guest context (GC)''' means that basically the guest OS in control, but with !VirtualBox keeping a watch on things in the background. Here, !VirtualBox has set up CPU & memory exactly the way the guest expects, but it has inserted itself at the "bottom" of the picture. It can then assume control when nasty things happen -- if a privileged instruction is executed, the guest traps or external interrupts occur. !VirtualBox may then possibly delegate handling such things to the host OS. So, in the guest context, we have |
