CN107957878A - A kind of embedded device on-line software updating method reallocated based on storage resource - Google Patents
A kind of embedded device on-line software updating method reallocated based on storage resource Download PDFInfo
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- CN107957878A CN107957878A CN201711277814.XA CN201711277814A CN107957878A CN 107957878 A CN107957878 A CN 107957878A CN 201711277814 A CN201711277814 A CN 201711277814A CN 107957878 A CN107957878 A CN 107957878A
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- embedded device
- mirror image
- storage resource
- subregion
- transition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45583—Memory management, e.g. access or allocation
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Stored Programmes (AREA)
Abstract
The invention discloses a kind of embedded device on-line software updating method reallocated based on storage resource.The method of the present invention obtains embedded device storage resource present case first, makes transition mirror image, the partition information of the transition mirror image is consistent with embedded device storage resource current bay information, also comprising an extra virtual partition；Transition image upgrade into embedded device and is restarted embedded device and enters new system afterwards；Make final mirror image followed by, the size and embedded device storage resource of the final mirror image are in the same size, and the partition information after the partition information of final mirror image is redistributed with embedded device storage resource is consistent；In the new system of final image upgrade to embedded device and it will finally restart, the upgrade method is specially by final the mirror image integrally erasable virtual partition to embedded device new system.This online upgrading method can redistribute storage resource, extend the cycle that embedded device updates, and reduce customer using cost.
Description
Technical field
The invention belongs to embedded development technical field, more particularly, to a kind of based on the embedding of storage resource reallocation
Enter formula device software online upgrading method.
Background technology
With the fast-developing of science and technology and progress, embedded device is increasingly popularized, and software upgrading is also getting faster.At present
Software upgrading has two class methods, and one kind is online upgrading, and one kind is upgraded in offline.Upgraded in offline method generally manually operates
Realize, be only used for research and development test or small lot embedded device software upgrading.Online upgrading method is generally by being automatically brought into operation
Realize, high-volume software upgrading can be carried out to online embedded device by server.Storage where the software updated every time
Regional location is different, storage resource will be caused to use uneven；It is continuous that the continuous renewal of software also leads to software size itself
Become larger, the space occupied increase.The above problem causes following situation at a time occur at last：Part partition holding storage money
Source not enough uses, other partition holdings also have a large amount of idle storage resources.Current online upgrading method can not be to embedded device
Storage resource redistributed, once there is the above situation, the replacement can only be just updated to embedded device, cost is huge
Greatly.
The content of the invention
For the disadvantages described above or Improvement requirement of the prior art, reallocated the present invention provides a kind of based on storage resource
Embedded device on-line software updating method, during its object is to by image upgrade twice, thus solve online upgrading, it is necessary to
The technical problem of partitioned storage insufficient space where the software of upgrading.
To achieve the above object, there is provided a kind of embedded device on-line software updating side to be reallocated based on storage resource
Method, the described method includes：
(1) embedded device storage resource present case is obtained, makes transition mirror image, the partition information of the transition mirror image
It is consistent with the current bay information of embedded device storage resource, also comprising an extra virtual partition；
(2) transition image upgrade into embedded device and is restarted embedded device and enters new system；The upgrading side
Method is specially to take out the subregion mirror image of transition mirror image from transition mirror image erasable to correspond to subregion to embedded device；
(3) final mirror image is made, the size and embedded device storage resource of the final mirror image are in the same size, subregion letter
Partition information after breath is redistributed with embedded device storage resource is consistent；
(4) by final image upgrade to operation new system embedded device in and restart, the upgrade method is specially
By in final the mirror image integrally virtual partition of the erasable embedded device to operation new system.
Further, each subregion mirror image of transition mirror image is correspondingly embedded in a subregion of formula equipment in the step (1).
Further, in the step (1) virtual partition first address be directed toward embedded device storage resource first address,
It is directed toward the last address of embedded device storage resource in the last address of virtual partition.
Further, the initial address of each subregion mirror image of final mirror image is directed toward storage resource weight in the step (3)
Subregion initial address, 0 value of subregion mirror image redundant space filling are corresponded to after new distribution.
The method of the present invention is by mirror image online upgrading embedded device software twice, compared with current online upgrading method,
Storage resource can be redistributed so that storage resource is utilized effectively, and extends the cycle that embedded device updates, drop
Low customer using cost.
Brief description of the drawings
Fig. 1 is the implementing procedure figure of the method for the present invention；
Fig. 2 is that transition mirror image and final mirror image are made in the method for the present invention embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not forming conflict between this can be mutually combined.
As shown in Figure 1, a kind of embedded device on-line software updating method based on storage resource reallocation is including following
Step：
(1) embedded device storage resource present case is obtained, makes transition mirror image, the partition information of the transition mirror image
It is consistent with embedded device storage resource current bay information, also comprising an extra virtual partition；The first ground of virtual partition
The first address of embedded device storage resource is directed toward in location, and the end ground of embedded device storage resource is directed toward in the last address of virtual partition
Location；Each subregion mirror image of transition mirror image is correspondingly embedded in a subregion of formula equipment；
As shown in Fig. 2, (B) is embedded device storage resource current bay situation, (C) is to be in bootstrap and operation
After increasing a virtual partition E in system code, embedded device storage resource partitioning scenario；The first address of virtual partition E is directed toward
The last address of embedded device storage resource is directed toward in the first address of embedded device storage resource, the last address of virtual partition E；
(2) transition image upgrade into embedded device and is restarted embedded device and enters new system；As shown in Fig. 2,
(A) it is transition mirror image, the schematic process of (A) and (B) is the upgrade method, specially by each subregion mirror image from transition mirror
Taking-up is directly erasable as in corresponds to subregion to embedded device, subregion A is arrived as subregion mirror image ImagePart1 is erasable, with such
Push away, the partitioning scenario of new system is such as shown in (C)；
(3) final mirror image is made, the size and embedded device storage resource of the final mirror image are in the same size, final mirror
Partition information after the partition information of picture is redistributed with storage resource is consistent；As shown in Fig. 2, (E) is illustrated as the storage money
Source redistribute after partitioning scenario, (D) is illustrated as the final mirror image, and each of which subregion mirror image initial address is directed toward storage money
The initial address of (E) corresponding subregion after source is redistributed, 0 value of subregion mirror image redundant space filling；
(4) in the new system of final image upgrade to embedded device and will restart, the upgrade method is specially will most
Whole mirror image is integrally in the virtual partition of the erasable embedded device to operation new system；As shown in Fig. 2, (D) be illustrated as it is described most
Whole mirror image, (C) are illustrated as the partitioning scenario of new system, by final the mirror image integrally erasable virtual partition E to new system；Restart
The storage resource that equipment completes equipment is reallocated, and the new partitioning scenario of equipment is such as shown in (E).
Above content as it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention,
It is not intended to limit the invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc.,
It should all be included in the protection scope of the present invention.
Claims (4)
- A kind of 1. embedded device on-line software updating method reallocated based on storage resource, it is characterised in that the method Including：(1) embedded device storage resource present case is obtained, makes transition mirror image, the partition information of the transition mirror image and embedding It is consistent to enter the current bay information of formula equipment storage resource, also comprising an extra virtual partition；(2) transition image upgrade into embedded device and is restarted embedded device and enters new system；The upgrade method tool Body is to take out the subregion mirror image of transition mirror image from transition mirror image erasable to correspond to subregion to embedded device；(3) make final mirror image, the size and embedded device storage resource of the final mirror image are in the same size, partition information and Partition information after embedded device storage resource is redistributed is consistent；(4) by final image upgrade to operation new system embedded device in and restart, the upgrade method be specially will most Whole mirror image is integrally in the virtual partition of the erasable embedded device to operation new system.
- 2. online upgrading method according to claim 1, it is characterised in that transition mirror image is each in the step (1) Subregion mirror image is correspondingly embedded in a subregion of formula equipment.
- 3. online upgrading method according to claim 1, it is characterised in that the first ground of virtual partition in the step (1) The first address of embedded device storage resource is directed toward in location, and the end ground of embedded device storage resource is directed toward in the last address of virtual partition Location.
- 4. online upgrading method according to claim 1, it is characterised in that final mirror image is each in the step (3) The initial address of subregion mirror image, which is directed toward after storage resource is redistributed, corresponds to subregion initial address, the filling of subregion mirror image redundant space 0 value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711277814.XA CN107957878B (en) | 2017-12-06 | 2017-12-06 | Embedded equipment software online upgrading method based on storage resource redistribution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711277814.XA CN107957878B (en) | 2017-12-06 | 2017-12-06 | Embedded equipment software online upgrading method based on storage resource redistribution |
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| CN107957878A true CN107957878A (en) | 2018-04-24 |
| CN107957878B CN107957878B (en) | 2020-07-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113467941A (en) * | 2021-06-25 | 2021-10-01 | 北京汇钧科技有限公司 | Method and device for sharing information |
| CN113791811A (en) * | 2021-08-02 | 2021-12-14 | 瑞芯微电子股份有限公司 | Firmware upgrading method and storage device |
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| US7921328B1 (en) * | 2008-04-18 | 2011-04-05 | Network Appliance, Inc. | Checkpoint consolidation for multiple data streams |
| CN107229501A (en) * | 2017-06-30 | 2017-10-03 | 深圳市九洲电器有限公司 | Set top box subregion changes upgrade method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467941A (en) * | 2021-06-25 | 2021-10-01 | 北京汇钧科技有限公司 | Method and device for sharing information |
| CN113791811A (en) * | 2021-08-02 | 2021-12-14 | 瑞芯微电子股份有限公司 | Firmware upgrading method and storage device |
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| CN107957878B (en) | 2020-07-07 |
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