Firmware boot tracing
    1.
    发明授权

    公开(公告)号:US10977158B1

    公开(公告)日:2021-04-13

    申请号:US16832609

    申请日:2020-03-27

    Abstract: Firmware can be built to be capable of generating and outputting trace data, during execution, to assist in debugging firmware problems without substantially slowing operation of the firmware and without potentially disclosing secret information associated with the firmware. The firmware (e.g., BIOS) can output hash digests of various modules within the firmware, which can be compared with a pre-established mapping table to identify modules that successfully completed or did not successfully complete during execution of the firmware, such as during a startup procedure. The hash digest can be a one-way hash, which can be rapidly executable during operation of the firmware and can keep the code of the modules hidden from unauthorized reverse engineering.

    Capturing and using dynamic information to manage field replace units

    公开(公告)号:US12147290B2

    公开(公告)日:2024-11-19

    申请号:US18168557

    申请日:2023-02-13

    Abstract: An example computer-implemented method is for managing a compute system with FRUs. The computer-implemented method includes receiving status information corresponding to the FRUs. The status information is collected from the FRUs in response to the compute system being powered on. The computer-implemented method also includes, in response to a predetermined condition being met, sending for each of the FRUs, one or more instructions to erase a dynamic portion of electrically erasable programmable read-only memory (EEPROM) located at a respective FRU; and sending for each of the FRUs, one or more instructions to write a portion of the status information corresponding to the respective FRU in the dynamic portion of the EEPROM at the respective FRU. Moreover, the EEPROM at each FRU includes the dynamic portion and a read-only portion.

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