CN105630515A - Dual-system mirror image guiding method - Google Patents
Dual-system mirror image guiding method Download PDFInfo
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- CN105630515A CN105630515A CN201410580625.XA CN201410580625A CN105630515A CN 105630515 A CN105630515 A CN 105630515A CN 201410580625 A CN201410580625 A CN 201410580625A CN 105630515 A CN105630515 A CN 105630515A
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Abstract
The invention discloses a dual-system mirror image guiding method, which comprises the steps of 1 reading information in a guiding configuration subarea; 2 reading the value of a guidable subarea number, and if the value is 0, go to step 6, and if the value is 1 or 2, go to step 3 in order; 3 reading a main guiding subarea value; 4a reading the value of a guiding mark (mirror image 0); 4b reading the value of a guiding mark (mirror image 1); 5a setting the guiding mark (mirror image 0) as 1 and beginning loading mirror image 0; 5b setting the guiding mark (mirror image 1) as 1, and beginning loading mirror image 1; 6 guiding a program lighten a trouble lamp if no guidable subarea exists. A dual-system mirror image is provided, and a normal software in the system can be started always whatever leads to upgrade failure, and upgrade operation can be carried out repeatedly until success.
Description
Technical field
The present invention relates to the communications field, be specifically related to the bootstrap technique of a kind of dual system mirror image.
Background technology
Due to the appearance of constantly progress and the new business of technology, can providing for home gateway user of low cost better service by updating the method for family gateway equipment software. But the upgrading of software exists certain risk, in such as escalation process, the power down of equipment accident or operational error will result in the infringement of whole system software, if the home gateway of single system image, this time can only be delivered to producer and keep in repair by equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide the bootstrap technique of a kind of dual system mirror image, being equipped with dual system mirror image, whatsoever situation causes upgrading unsuccessfully, has a normal software to start in system all the time, updating operation can be repeatedly performed, until upgrading successfully.
For reaching above-mentioned purpose, technical scheme is as follows:
The bootstrap technique of a kind of dual system mirror image, comprises the following steps:
Step one, the information read in boot configuration subregion;
Step 2, reading the value of the bootable number of partitions, if being 0, jumping to step 6, if being that 1 or 2 orders perform step 3;
Step 3, reading main boot partition value, if the value of main boot subregion is 0, perform step 4a, if the value of main boot subregion is 1, performing step 4b, if being-1, jumping to step 6;
Step 4a, read leader label (mirror image 0) value, if being 0 or 5, perform step 5a, otherwise perform step 4b;
Step 4b, read leader label (mirror image 1) value, if being 0 or 5, perform step 5b, otherwise perform step 4a;
Step 5a, leader label (mirror image 0) being set to 1, starting load images 0, if loading unsuccessfully, the value arranging leader label (mirror image 0) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 1; If loading successfully, leader label (mirror image 0) being set to 3, guiding completes;
Step 5b, leader label (mirror image 1) is set to 1, starts load images 1; If loading unsuccessfully, the value arranging leader label (mirror image 1) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 0; If loading successfully, leader label (mirror image 1) being set to 3, guiding completes;
Step 6, not having the subregion that can guide, bootstrap lights malfunction indicator lamp.
In a preferred embodiment of the invention, described main boot subregion refer to equipment start after boot partition will the subregion at system image place of load operating, its possible value is 0,1 ,-1;
When value is that 0 expression mirror image 0 is as main boot subregion;
When value is that 1 expression mirror image 1 is as main boot subregion;
When value does not have main boot subregion for-1 expression.
In a preferred embodiment of the invention, described leader label is for recording the startup situation of system image, and the information that its value includes has: can start, and starts to guide, loads unsuccessfully, load successfully, start unsuccessfully, start successfully, system exception, corresponding value is 0,1,2,3,4,5,6.
In a preferred embodiment of the invention, the described bootable number of partitions is used for avoiding bootstrap to be absorbed in startup endless loop when starting all failed at mirror image 0 and mirror image 1, and bootable number of partitions value can be 0,1,2; 0 represents the subregion not having to guide; 1 indicates a subregion that can guide, and 2 represent that two subregions can guide.
By technique scheme, the invention has the beneficial effects as follows:
The present invention is equipped with dual system mirror image, and whatsoever situation causes upgrading unsuccessfully, has a normal software to start in system all the time, and updating operation can be repeatedly performed, until upgrading successfully.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Reference Fig. 1, the guiding system of a kind of dual system mirror image, including:
One bootstrap, is responsible for load operating board suppot package, is the software program run at first after system boot;
One board suppot package, including operating system and device drives;
And an application program, it is the core of systems soft ware, application program operates on board suppot package, it is provided that the visible various services of user, various services include the fire wall in home gateway, service on net, configuration management, dial-up connection, voice and video service, the setting of home automation.
Described board suppot package and application program are packaged with constituting system image, are provided with at least two group system mirror images in the present system.
In family gateway equipment, bootstrap and system image are burnt on the different subregions of flash memory device, deposit boot configuration subregion, device configuration file and system running log except also having other subregion on flash memory.
For having the home gateway of double-mirror, it is necessary to two subregions carry out storage system mirror image. two subregions are called: mirror image 0 and mirror image 1.
The active and standby information of boot configuration partitioned record system image and the situation of guiding, this is the basis that the present invention realizes. The realization of dual system will realize according to the information recorded here. Below the content of boot configuration subregion is elaborated:
Boot configuration subregion includes three members: main boot subregion, leader label, the bootable number of partitions.
This main boot subregion: main boot subregion refer to equipment start after boot partition will the subregion at system image place of load operating. its possible value is 0,1 ,-1;
When value is that 0 expression mirror image 0 is as main boot subregion.
When value is that 1 expression mirror image 1 is as main boot subregion.
When value does not have main boot subregion for-1 expression.
This leader label: leader label is for recording the startup situation of system image. The information that its value includes has: can start, and starts to guide, loads unsuccessfully, load successfully, start unsuccessfully, start successfully, system exception, and corresponding value is 0, and 1,2,3,4,5,6.
Leader label has two parts, the startup situation of a record mirror image 0, the startup situation of a record mirror image 1. and it is normal for can starting expression mirror image, it is possible to directed program loading operation.
Start to guide and represent that bootstrap starts loading system mirror image.
Load and unsuccessfully represent the failure of boot program loads system image.
Load and successfully represent that bootup process terminates, perform system image by starting.
Start unsuccessfully refer to mirror image bring into operation after self initialization procedure failure.
Start and successfully refer to that system initialization completes, start to provide miscellaneous service ability.
System exception refers to and occurs in that critical defect in system operation.
This bootable number of partitions: the bootable number of partitions is used for avoiding bootstrap to be absorbed in startup endless loop when starting all failed at mirror image 0 and mirror image 1. Bootable number of partitions value can be 0,1,2.
0 represents the subregion not having to guide. 1 indicates a subregion that can guide, and 2 represent that two subregions can guide.
When the bootable number of partitions is 0, bootstrap can pass through LED light prompt facility fault.
The bootstrap technique of a kind of dual system mirror image, comprises the following steps:
Step one, the information read in boot configuration subregion;
Step 2, reading the value of the bootable number of partitions, if being 0, jumping to step 6, if being that 1 or 2 orders perform step 3;
Step 3, reading main boot partition value, if the value of main boot subregion is 0, perform step 4a, if the value of main boot subregion is 1, performing step 4b, if being-1, jumping to step 6;
Step 4a, read leader label (mirror image 0) value, if being 0 or 5, perform step 5a, otherwise perform step 4b;
Step 4b, read leader label (mirror image 1) value, if being 0 or 5, perform step 5b, otherwise perform step 4a;
Step 5a, leader label (mirror image 0) being set to 1, starting load images 0, if loading unsuccessfully, the value arranging leader label (mirror image 0) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 1. If loading successfully, leader label (mirror image 0) being set to 3, guiding completes;
Step 5b, leader label (mirror image 1) is set to 1, starts load images 1; If loading unsuccessfully, the value arranging leader label (mirror image 1) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 0; If loading successfully, leader label (mirror image 1) being set to 3, guiding completes;
Step 6, not having the subregion that can guide, bootstrap lights malfunction indicator lamp.
After bootstrap completes loading, program will jump to perform in system image, if system image self initializes unsuccessfully, then arranging its leader label is 4, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, otherwise it is set to another partition value (current mirror image is 0 be just set to 1, and current mirror image is 1 be just set to 0), then restarts system. Run succeeded if initialized, then arranging its leader label is that 5. systems enter normal operating condition.
If fatal defect occurs in running, then arranging its leader label is 6, the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, otherwise it is set to another partition value (current mirror image is 0 be just set to 1, and current mirror image is 1 be just set to 0), then restarts system.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described. Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention. Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. the bootstrap technique of a dual system mirror image, it is characterised in that comprise the following steps:
Step one, the information read in boot configuration subregion;
Step 2, reading the value of the bootable number of partitions, if being 0, jumping to step 6, if being that 1 or 2 orders perform step 3;
Step 3, reading main boot partition value, if the value of main boot subregion is 0, perform step 4a, if the value of main boot subregion is 1, performing step 4b, if being-1, jumping to step 6;
Step 4a, read leader label (mirror image 0) value, if being 0 or 5, perform step 5a, otherwise perform step 4b;
Step 4b, read leader label (mirror image 1) value, if being 0 or 5, perform step 5b, otherwise perform step 4a;
Step 5a, leader label (mirror image 0) being set to 1, starting load images 0, if loading unsuccessfully, the value arranging leader label (mirror image 0) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 1; If loading successfully, leader label (mirror image 0) being set to 3, guiding completes;
Step 5b, leader label (mirror image 1) is set to 1, starts load images 1; If loading unsuccessfully, the value arranging leader label (mirror image 1) is 2, and the value of the bootable number of partitions subtracts 1, if the value of the bootable number of partitions is-1, the value arranging main boot subregion is-1, is otherwise set to 0; If loading successfully, leader label (mirror image 1) being set to 3, guiding completes;
Step 6, not having the subregion that can guide, bootstrap lights malfunction indicator lamp.
2. the bootstrap technique of a kind of dual system mirror image according to claim 1, it is characterised in that described main boot subregion refer to equipment start after boot partition will the subregion at system image place of load operating, its possible value is 0,1 ,-1;
When value is that 0 expression mirror image 0 is as main boot subregion;
When value is that 1 expression mirror image 1 is as main boot subregion;
When value does not have main boot subregion for-1 expression.
3. the bootstrap technique of a kind of dual system mirror image according to claim 1, it is characterised in that described leader label is for recording the startup situation of system image, the information that its value includes has: can start, and starts to guide, loads unsuccessfully, load successfully, start unsuccessfully, start successfully, system exception, corresponding value is 0,1,2,3,4,5,6.
4. the bootstrap technique of a kind of dual system mirror image according to claim 1, it is characterized in that, the described bootable number of partitions is used for avoiding bootstrap to be absorbed in startup endless loop when starting all failed at mirror image 0 and mirror image 1, and bootable number of partitions value can be 0,1,2; 0 represents the subregion not having to guide; 1 indicates a subregion that can guide, and 2 represent that two subregions can guide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410580625.XA CN105630515A (en) | 2014-10-27 | 2014-10-27 | Dual-system mirror image guiding method |
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| CN201410580625.XA CN105630515A (en) | 2014-10-27 | 2014-10-27 | Dual-system mirror image guiding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911502A (en) * | 2017-02-22 | 2017-06-30 | 烽火通信科技股份有限公司 | A kind of upgrade method and system of intelligent home gateway equipment |
| CN109446008A (en) * | 2018-10-31 | 2019-03-08 | Oppo广东移动通信有限公司 | A kind of failure cause detection method, failure cause detection device and terminal device |
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2014
- 2014-10-27 CN CN201410580625.XA patent/CN105630515A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911502A (en) * | 2017-02-22 | 2017-06-30 | 烽火通信科技股份有限公司 | A kind of upgrade method and system of intelligent home gateway equipment |
| CN106911502B (en) * | 2017-02-22 | 2019-11-12 | 烽火通信科技股份有限公司 | A kind of upgrade method and system of intelligent home gateway equipment |
| CN109446008A (en) * | 2018-10-31 | 2019-03-08 | Oppo广东移动通信有限公司 | A kind of failure cause detection method, failure cause detection device and terminal device |
| CN109446008B (en) * | 2018-10-31 | 2022-02-08 | Oppo广东移动通信有限公司 | Fault reason detection method, fault reason detection device and terminal equipment |
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Application publication date: 20160601 |