System for carrying out backup hot start on operating system

An operating system, hot start technology, applied in the redundant operation of data error detection, response error generation, instruments and other directions, can solve the problems of inability to meet the miniaturization of the system, the overall structure is large, and the implementation cost is high. Achieve the effect of light weight, small size and strong reliability

Active Publication Date: 2020-05-12
58TH RES INST OF CETC
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This kind of system is complex in design, high in implementation cost, and has a large overall str

Method used

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[0021] The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present invention. Rather, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0022] Such as figure 1 As shown, it is a functional block diagram of an operating system backup hot start system based on XC7Z045 provided in some embodiments of this application. The operating system backup hot start system provided by this application includes a main control chip XC7Z045, a memory DDR3, and a storage chip QSPI Flash, the first memory chip EMMC0, the second memor

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Abstract

The invention discloses a system for carrying out backup hot start on an operating system. The size and the design cost of the system are reduced as much as possible; in the design of the invention, two storage devices EMMC are used for respectively storing an operating system; the EMMC0 stores a first operating system; the EMMC1 stores a second operating system; a boot file is stored by using a QSPI; different boot files are respectively stored in different offset address space ranges; boot1 is a startup file for guiding the first operating system; Boot2 is a startup file for guiding the second operating system; after the system is powered on, XC7Z045 is started to read boot0; after the boot0 is started, whether the boot0 is started from the boot1 or the boot2 is judged according to the output pin of the watchdog; the system designed in this way is simple in design architecture, lower in design cost, higher in reusability and more advanced in design concept, and by means of cooperation of a software algorithm, a simple hardware system can give play to the maximum advantages.

Description

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Claims

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Application Information

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Owner 58TH RES INST OF CETC
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