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Virtual high privilege mode for a system management request

  • US 10,303,501 B2
  • Filed: 08/30/2011
  • Issued: 05/28/2019
  • Est. Priority Date: 08/30/2011
  • Status: Expired due to Fees
First Claim
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1. A computing system comprising:

  • a processor;

    a physical basic input/output system (BIOS);

    a virtual machine monitor (VMM) to manage a trusted virtual machine (VM); and

    a virtual high-privilege mode in the trusted VM to handle a system management request,the VMM to trap requests to access functionalities of the physical BIOS from sources other than the trusted VM, the trapping of the requests preventing the requests from being communicated to the physical BIOS.

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