公开(公告)号：US09507961B2

公开(公告)日：2016-11-29

申请号：US14014032

申请日：2013-08-29

Applicant: Qualcomm Incorporated

Inventor： Thomas Zeng ,  Azzedine Touzni ,  William Torzewski

IPC: G06F21/74 ,  G06F21/71 ,  G06T1/20

CPC classification number: G06F21/71 ,  G06F21/74 ,  G06F2221/2113 ,  G06T1/20

Abstract: Systems, methods, and computer programs are disclosed for providing secure access control to a graphics processing unit (GPU). One system includes a GPU, a plurality GPU programming interfaces, and a command processor. Each GPU programming interface is dynamically assigned to a different one of a plurality of security zones. Each GPU programming interface is configured to receive work orders issued by one or more applications associated with the corresponding security zone. The work orders comprise instructions to be executed by the GPU. The command processor is in communication with the plurality of GPU programming interfaces. The command processor is configured to control execution of the work orders received by the plurality of GPU programming interfaces using separate secure memory regions. Each secure memory region is allocated to one of the plurality of security zones.

Abstract translation: 公开了用于向图形处理单元（GPU）提供安全访问控制的系统，方法和计算机程序。 一个系统包括GPU，多个GPU编程接口和命令处理器。 每个GPU编程接口被动态分配给多个安全区中的不同的一个。 每个GPU编程接口被配置为接收由与相应安全区相关联的一个或多个应用发出的工作命令。 工作单包括由GPU执行的指令。 命令处理器与多个GPU编程接口通信。 命令处理器被配置为使用单独的安全存储器区域来控制由多个GPU编程接口接收的工作订单的执行。 每个安全存储器区域被分配给多个安全区域中的一个。