Embedded multi-system upgrading method based on Hypervisor and computer readable storage medium

A multi-system, embedded technology, applied in the computer field, to achieve the effect of upgrading security

Active Publication Date: 2020-08-11
中瓴智行(成都)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no relatively complete general solution for the upgrade method of Hypervisor-based embedded multi-system

Method used

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  • Embedded multi-system upgrading method based on Hypervisor and computer readable storage medium
  • Embedded multi-system upgrading method based on Hypervisor and computer readable storage medium
  • Embedded multi-system upgrading method based on Hypervisor and computer readable storage medium

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0022] The Hypervisor-based embedded multi-system upgrading method of the present invention includes partitioning of system storage space and multi-system upgrading.

[0023] Among them, such as figure 1 As shown, the system storage space division of the present invention fully considers the function division and the main partition adopts the a / b partition mode, and the whole storage space of the system is divided into the following several main partitions: partition table, bootloader partition (comprising two partitions of a / b) , misc partition, Hypervisor partition (in...

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Abstract

The invention relates to the technical field of computers. The invention specifically discloses an embedded multi-system upgrading method based on the Hypervisor. When the Hypervisor carries out upgrading operation on a target partition of an upgrading object, if the target partition has a standby partition, the mirror image file is written into the standby partition, and slot information of the standby partition is updated to be in a bootable state after verification succeeds; when the Hypervisor updates the mirror image file, the mirror image file is sent to the Hypervisor; the target partition is guided and started by the upgrading object; wherein if the standby partition exists in the target partition and the booting is successful, slot information of the target partition is in a successfully bootable state, and the booting fails, the booting continues to be tried, and when the number of tried booting times is zero, the effective booting partition before upgrading is rolled back tobe booted. Therefore, all the mirror images can be upgraded through the Hypervisor, and the target partition can be started by rolling back the effective starting partition before upgrading even if upgrading fails by configuring the backup partition, so that upgrading is safer.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a Hypervisor-based embedded multi-system upgrading method and a computer-readable storage medium. Background technique [0002] With the development of embedded system hardware and software technology, there are more and more multi-system applications based on virtualization technology. Since multiple guest operating systems run on a virtualization platform at the same time, each guest operating system has different business requirements, and each operating system also has its own system upgrade method. Therefore, the system partitioning scheme for the storage space of the system and the upgrade scheme for multiple systems must not only design the entire system from the hardware and software levels, but also fully consider the different needs of business and security. On the premise of efficient use of system resources, the reliability of system transplantation on different pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/65G06F8/71G06F9/455
CPCG06F8/65G06F8/71G06F9/45558G06F2009/45583
Inventor 马剑邓华利
Owner 中瓴智行(成都)科技有限公司
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