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AssigneeIntel Corporation
InventorsTyler Sondag, Andreas Kleen, David Sheffield, Xiang Zou, Terry Parks, Jason Brandt, Ittai Anati
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An apparatus and method for implementing a new virtualized execution environment while supporting instructions and operations of a legacy virtualized execution environment. For example, one embodiment of a processor comprises: instruction processing circuitry to process instructions in accordance with a microarchitecture, the instruction processing circuitry comprising: instruction fetch circuitry to fetch the instructions; a decoder to decode the instructions; and execution circuitry to execute the instructions based on the microarchitecture; wherein the microarchitecture including hardware support for a virtual execution environment including a virtual machine monitor (VMM) and a first type of virtual machine, wherein both the VMM and the first type of virtual machine are implemented by instructions directly supported by the microarchitecture; and wherein the VMM is to support a second type of virtual machine, the second type of virtual machine including legacy instructions not fully supported by the microarchitecture, the VMM comprising a plurality of emulators, each emulator configured to emulate execution of a different type of the legacy instructions.
A processor comprising:
A method comprising:
A non-transitory machine-readable medium having program code stored thereon which, when executed by a machine, causes the machine to perform:
Dependencies are inferred from the claim text.