SYSTEMS, METHODS, AND APPARATUSES FOR DEFENDING AGAINST CROSS-PRIVILEGE LINEAR PROBES

    公开(公告)号:US20190294559A1

    公开(公告)日:2019-09-26

    申请号:US15934916

    申请日:2018-03-23

    Abstract: Systems, methods, and apparatuses for defending against cross-privilege linear access are described. For example, an implementation of an apparatus comprising privilege level storage to store a current privilege level and address check circuitry coupled to the privilege level storage, wherein the address check circuitry is to determine whether a linear address associated with an instruction is allowed to access a partition of a linear address space of the apparatus based upon a comparison of the current privilege level and a most significant bit of the linear address is described.

    METHODS AND APPARATUSES TO PROVIDE CHIPLET BINDING TO A SYSTEM ON A CHIP PLATFORM HAVING A DISAGGREGATED ARCHITECTURE

    公开(公告)号:US20220417005A1

    公开(公告)日:2022-12-29

    申请号:US17358952

    申请日:2021-06-25

    Abstract: Systems, methods, and apparatuses for providing chiplet binding to a disaggregated architecture for a system on a chip are described. In one embodiment, system includes a plurality of physically separate dies, an interconnect to electrically couple the plurality of physically separate dies together, a first die-to-die communication circuit, of a first die of the plurality of physically separate dies, comprising a transmitter circuit and an encryption circuit having a link key to encrypt data to be sent from the transmitter circuit into encrypted data, and a second die-to-die communication circuit, of a second die of the plurality of physically separate dies, comprising a receiver circuit and a decryption circuit having the link key to decrypt the encrypted data sent from the transmitter circuit to the receiver circuit.

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