FPGA (field programmable gate array) firmware update method, FPGA firmware update device and medium

Abstract

The invention discloses an FPGA (field programmable gate array) firmware update method, an FPGA firmware update device and a medium. The method includes acquiring related information of a current operator and preset standards representing the operator has operating authorization; judging whether or not the related information meets the preset standards; if yes, establishing communication connection with an FPGA by a BMC substrate management controller, and initiating a JTAG interface of the FPGA; transmitting mirror image documents of the BMC substrate management controller to the FPGA throughthe JTAG interface, and updating the FPGA by the mirror image documents. The FPGA firmware update method, the FPGA firmware update device and the medium have the advantages that flexibility and operability in FPGA firmware update are improved while FPGA firmware safety is improved.

Description

technical field [0001] The invention relates to the field of hardware updating, in particular to an updating method, device and medium of FPGA firmware. Background technique [0002] Most of the traditional information security mechanisms are built on the software layer of the operating system. However, as the threat to the security of the current information system is gradually increasing, only focusing on whether the software layer is safe can no longer meet the development needs of the information system, and the security of the information system needs to be further extended. to the hardware layer. [0003] The FPGA firmware is the logic unit in the server. Its function is to realize the timing control when the server is turned on and power on, and to control the communication between various system modules. It is an important component of the server motherboard. The reliable operation of the FPGA firmware is related to the normal operation of the server. Therefore, it ...

AI Technical Summary

Problems solved by technology

The JTAG interface is the interface used by the FPGA firmware for downloading programs and debugging. In the current situation, when flashing or updating the FPGA firmware, it is necessary to solder the JTAG socket on the device as the physical port of the JTAG interface, and use a dedicated download cable. Connect the physical port and rely on the burning tool to update the FPGA firmware, but criminals can also flash Trojan horses, viruses, and malicious codes to the FPGA firmware through the above methods, which poses a great threat to the normal operation of the FPGA firmware

In order to maliciously flash the FPGA image through the JTAG interface, the JTAG socket can only be removed when the server leaves the factory. Although this can increase the security of the FPGA firmware to a certain extent, it will bring great harm to the subsequent update and debugging of the FPGA firmware. Inconvenience, lack of practical flexibility and operability

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