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HARDWARE ASSIST FOR PRIVILEGE ACCESS VIOLATION CHECKS

  • US 20140104287A1
  • Filed: 10/11/2012
  • Published: 04/17/2014
  • Est. Priority Date: 10/11/2012
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • a kernel-mode driver (KMD) configured to receive a command buffer having one or more buffer sections, each command buffer section having a command and designating whether that command is privileged or non-privileged, and the KMD is further configured to selectively parse and validate one or more of the command buffer sections; and

    a graphics processing unit (GPU) configured to receive batch buffers from the KMD, each batch buffer having a command from the command buffer and designating whether that command is privileged or non-privileged, and the GPU is further configured to disallow execution of any privileged command from a non-privileged batch buffer.

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