System power-on self-test and self-repair method and device

The invention provides a system power-on self-test and self-repair method and system, and the method comprises the steps of enabling equipment to operate a BootLoader, and loading and operating an application program when the header information of the application program is verified to be complete a...

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1. Verfasser: YE GUOZHEN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a system power-on self-test and self-repair method and system, and the method comprises the steps of enabling equipment to operate a BootLoader, and loading and operating an application program when the header information of the application program is verified to be complete and effective and the data of the application program is verified to be complete and effective; and when it is verified that the application program header information is incomplete and effective or the application program data is incomplete and effective, enabling the equipment to run under the BootLoader, and after the application program firmware is upgraded, restarting the equipment. According to the system power-on self-test and self-repair method provided by the invention, after the application program in the Flash of the equipment is damaged, the equipment is connected to the host, the equipment is automatically repaired, and after the equipment normally runs, the data of the application program can be ensure