Verifying address translation integrity

    公开(公告)号:US11914522B2

    公开(公告)日:2024-02-27

    申请号:US17907206

    申请日:2021-02-08

    Applicant: ARM LIMITED

    Inventor: Jason Parker

    CPC classification number: G06F12/10 G06F12/1027 G06F12/14 G06F2212/1032

    Abstract: Apparatuses, methods, and programs for performing a translation of a virtual address of a memory access to a physical address associated with a memory location to be accessed are disclosed. A page table descriptor is accessed when performing the translation, which comprises translation parameters for the translation. The descriptor further comprises an integrity check value, wherein the integrity check value is dependent on the translation parameters.

    Vehicle Control Device
    9.
    发明申请

    公开(公告)号:US20190232891A1

    公开(公告)日:2019-08-01

    申请号:US16338616

    申请日:2017-10-24

    CPC classification number: B60R16/02 G06F12/14 G06F2212/1052

    Abstract: The present invention provides a vehicle control device capable of realizing access authority definitions by the number equal to or greater than the number of access control registers provided in a memory protection device. In the vehicle control device according to the present invention, the whole or a part of a storage device that stores the access authority definitions used by the memory protection device to control the access authorities, is allocated fixedly to a memory area in advance and the rest is allocated dynamically.

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