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A boot method and terminal device

A technology of terminal equipment and external equipment, which is applied in the electronic field and can solve problems such as user data loss and inability to perform data recovery.

Active Publication Date: 2021-02-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above solutions, the data recovery is based on the normal startup of the mobile phone and the interactive operation state. If the liquid crystal display or touch panel device is abnormal, it cannot interact with the user, and the function of the peripheral device is damaged, resulting in abnormal startup and abnormal function of the basic device. If it cannot be turned on, the user cannot perform data recovery, resulting in complete loss of user data in the mobile phone

Method used

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  • A boot method and terminal device
  • A boot method and terminal device
  • A boot method and terminal device

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present application.

[0035]Terms used in the embodiments of the present application are for the purpose of describing specific embodiments only, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items. The character " / " in this article generally indicates that the contextual objects are an "or" relationship. In addition, "first" and "second" in this application do not indicate importance or sequence, but only indicate a difference. ...

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Abstract

The embodiment of the invention provides a startup method and terminal equipment, relates to the technical field of electronics, and can provide a startup method capable of performing data recovery when the terminal equipment cannot be normally started up so as to prevent user data from being lost. The method comprises the steps that when the terminal equipment determines to start a minimum recovery user data system MSBUD, the minimum recovery user data system MSBUD is loaded after a CPU small core is initialized, a DDR main frequency is configured to be smaller than or equal to a main frequency threshold value and an eMMC drive is initialized; the terminal equipment initializes a main service process of an operating system kernel of the MSBUD, wherein the main service process comprises aprocess, a memory and an interrupt of the operating system kernel; and the terminal equipment mounts a data partition through the MSBUD and loads a communication port driver, and the communication port driver is used for mapping a communication port communicating with an external device, so that the external device receives data read by the MSBUD in the data partition through the communication port.

Description

technical field [0001] Embodiments of the present application relate to the field of electronic technology, and in particular, to a booting method and a terminal device. Background technique [0002] Android (Android) mobile phone normal startup process, rely on central processing unit (central processing unit, CPU), double data rate synchronous dynamic random access memory (double data rate synchronous dynamic random access memory, DDR), embedded multimedia memory card (embedded multi media Crad, eMMC) and other basic components are functioning normally, but also sensors (sensor), modem (modem), camera (camera), liquid crystal display (liquid crystal display, LCD), touch panel (touch panel, TP), etc. Peripheral devices are functioning normally. [0003] Based on the normal startup of the mobile phone, there are two main ways for the user to restore data: when the backup and restore function is set through the setting menu of the mobile phone manufacturer, the backup data c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/4401
CPCG06F9/4403
Inventor 窦泽飞
Owner HUAWEI TECH CO LTD