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A Compatibility Starting Method for Multi-Version System

A compatibility, multi-version technology, applied in the computer field, can solve problems such as complex partitioning, and achieve the effect of avoiding compatibility problems

Active Publication Date: 2021-08-24
ALLWINNER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In the OTA process, according to the actual OTA update scheme, there may be more complicated situations in the partition

Method used

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  • A Compatibility Starting Method for Multi-Version System

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The compatibility startup method of the multi-version system of the present invention is applicable to the compatibility startup of the flash memory system.

[0032] figure 1 Shown is an overall flow chart according to an embodiment of the present invention. S10, when the flash memory system burns the system, it generates a corresponding version number for the burned system, divides each system version into multiple data partitions, and generates a corresponding backup for each system version; S20, powers on the system , check each data partition in turn, if the check is passed, it will start normally, if the check fails, then check the data partitions of multiple versions, and record the check data; S30, when a check is found When one or more da...

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Abstract

The invention includes a method for starting compatibility of a multi-version system, which is characterized in that the method includes: generating a corresponding version number for the programmed system, and generating a corresponding backup for each system version; when the system is powered on, sequentially Verify each data partition; S30, when it is verified that one or more data partitions are damaged, then detect the data partitions corresponding to all versions, and if there is a complete system, then verify the data corresponding to the verified system The partition is destroyed; S40, restart, and select the complete system data partition detected in the step S30 to perform sequential verification, and complete the compatibility startup. The beneficial effect of the present invention is: by embedding a data structure containing version number information in the partition data, the version number of each partition can be detected at startup, and the partition with version adaptation can be selected for startup, avoiding the mixed use of old and new systems, This avoids compatibility issues.

Description

technical field [0001] The invention relates to a compatibility starting method for a multi-version system, which belongs to the field of computers. Background technique [0002] In order to support OTA, or to prevent the system from being damaged intentionally or unintentionally, or to achieve some other purposes, many products need to have a backup system. When the existing system is damaged or needs to be upgraded, it can be switched to another system. In the system, prevent the product from being unable to start. [0003] Existing technical solutions usually burn one or more backup systems on flash. When starting, some integrity verification mechanism will be used to verify the partition to be started according to the specified priority. If the verification fails, then Try booting from another partition. [0004] In some operations, especially when the power is lost during the OTA operation, the flash data may be destroyed and there are multiple versions of the system ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/4401G06F9/445
CPCG06F9/4406G06F9/44536
Inventor 庄秋彬孙彦邦谢林菲黄少锐徐露
Owner ALLWINNER TECH CO LTD