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documentation for vmm implementation #23

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The description of the serial console was good. Others could use more work.

}
```

It emulates a minimal i8042 controller just enough to shutdown the machine. It implements a `Trigger` object `reset_evt` which is used for `notifying` the `VMM` about the CPU `reset` event.
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Add some text about what is i8042 controller?

}
```

It implements a `PL031` Real Time Clock (RTC) that `emulates` a long time base counter.
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How does it do the said emulation?

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7 participants