System and method of secure execution of code in hypervisor mode

[0019] Exemplary aspects are described herein in the context of systems, methods, and computer program products for secure code execution in hypervisor mode. Those of ordinary skill in the art will appreciate that the following description is illustrative only and is not intended to be limiting in any way. Other aspects will readily suggest themselves to those skilled in the art who appreciate the advantages of the invention. Reference will now be made in detail to implementations of the exemplary aspects as illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings and the following description to refer to the same or like items.

[0020] A hypervisor is a program capable of simultaneously executing several operating systems (OS) in parallel on the same computer. Hypervisors are divided into two types: the first type has its own built-in device drivers and schedulers, and thus is not tied to a specific OS; while