CN109117190A - System start method and device - Google Patents
System start method and device Download PDFInfo
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- CN109117190A CN109117190A CN201710476709.2A CN201710476709A CN109117190A CN 109117190 A CN109117190 A CN 109117190A CN 201710476709 A CN201710476709 A CN 201710476709A CN 109117190 A CN109117190 A CN 109117190A
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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
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
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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
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
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- Computer Security & Cryptography (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention provides a kind of system start method and devices, wherein this method comprises: embedded device can not the start-up operation system from built-in Flash when, the embedded device according to preset condition detection expanding storage apparatus in operating system legitimacy；In the case where determining that the expanding storage apparatus is legal, the embedded device starts the operating system stored in the expanding storage apparatus, by adopting the above technical scheme, it can not start after solving the problems, such as embedded system damage in the related technology, embedded device start-up operation system from expanding storage apparatus is realized, is operated convenient for user.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of system start method and device.
Background technique
In the related art, generally using Flash as the system software of media storage devices, software can be led embedded device
It is divided into the several main functional modules of BOOT, kernel, file system.Wherein, BOOT is responsible for completing starting hardware configuration, selection
Kernel to be started, kernel are the core functions of operating system, and file system includes the User space journey completing functions of the equipments and needing
Sequence.
BOOT is stored in region reliable in Flash in embedded device, and general of this partial function is on startup
It goes to read, the frequency used is lower, so the probability of damage is lower.And kernel, file system are latter in operating system load
Straight to use, the probability of relative damage is big.When kernel and file system corruption, equipment just can not normally start, and reparation is generally wanted
Production line is returned, Flash chip is replaced, safeguards higher cost, the period is long.
Aiming at the problem that can not starting after the damage of embedded system in the related technology, there is presently no effective solution sides
Case.
Summary of the invention
The embodiment of the invention provides a kind of system start method and devices, at least to solve the relevant technologies in the related technology
The problem of can not starting after middle embedded system damage.
According to one embodiment of present invention, provide a kind of system start method, comprising: embedded device can not be from
In built-in Flash when start-up operation system, the embedded device is according to the operation in preset condition detection expanding storage apparatus
The legitimacy of system；In the case where determining that the expanding storage apparatus is legal, the embedded device starting extension is deposited
The operating system stored in storage equipment.
Optionally, in the case where the embedded device is from built-in Flash start-up operation system, the embedded device
Detect the expanding storage apparatus access；The embedded device detects not stored described interior in the expanding storage apparatus
Set the kernel mirror image and file system mirror of the operating system of Flash；The embedded device is successively by the built-in Flash's
Kernel mirror image and file system mirror back up to the expanding storage apparatus.
Optionally, the embedded device is successively by the kernel mirror image and file system mirror of the built-in Flash, backup
To the expanding storage apparatus, comprising: the embedded device obtains the according to the kernel and file system of the built-in Flash
First image file is backed up to the expanding storage apparatus by one image file, wherein first image file includes
The kernel mirror image and file system mirror.
Optionally, embedded device can not the start-up operation system from built-in Flash when, the embedded device foundation
Preset condition detects the legitimacy of the operating system in expanding storage apparatus, comprising: the embedded device passes through described in inspection
Check information in the file header of first image file determines the legitimacy of the operating system in the expanding storage apparatus.
Optionally, after the embedded device starts the operating system stored in the expanding storage apparatus, the side
Method further include: by the expanding storage apparatus kernel mirror image and file system mirror be sequentially written in the built-in Flash.
A kind of system starting device according to an embodiment of the present invention, comprising: the second detection module, for can not be from built-in
Legitimacy in Flash when start-up operation system, according to the operating system in preset condition detection expanding storage apparatus；Start mould
Block, in the case where determining that the expanding storage apparatus is legal, starting the operation system stored in the expanding storage apparatus
System.
Optionally, described device further include: first detection module, in the feelings from built-in Flash start-up operation system
Under condition, the expanding storage apparatus access is detected, and detect the not stored built-in Flash in the expanding storage apparatus
Operating system kernel mirror image and file system mirror；Backup module, for successively by the kernel mirror image of the built-in Flash
And file system mirror, the expanding storage apparatus is written.
Optionally, the starting module is also used to the kernel mirror image and file system mirror in the expanding storage apparatus
It is sequentially written in the built-in Flash.
Another embodiment according to an embodiment of the present invention, additionally provides a kind of storage medium, and the storage medium includes
The program of storage, wherein described program executes method described in above-mentioned any one of alternative embodiment when running.
According to another embodiment of the invention, a kind of processor is provided, the processor is used to run program,
In, described program executes method described in above-mentioned any one of alternative embodiment when running.
Through the invention, embedded device can not the start-up operation system from built-in Flash when, the embedded device according to
According to the legitimacy of the operating system in preset condition detection expanding storage apparatus；Determining the legal situation of the expanding storage apparatus
Under, which starts the operating system stored in the expanding storage apparatus, by adopting the above technical scheme, solves correlation
The problem of can not starting after embedded system damage in technology, realize embedded device start-up operation from expanding storage apparatus
System operates convenient for user.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is to start method flow diagram according to the system in the embodiment of the present invention；
Fig. 2 is according to system software storage schematic diagram in Flash in the related technology；
Fig. 3 is the kernel mirror image encapsulation schematic diagram of specific embodiment according to the present invention；
Fig. 4 is the file system mirror encapsulation schematic diagram of specific embodiment according to the present invention；
Fig. 5 is the structural block diagram of starter according to the system in the embodiment of the present invention.
Specific embodiment
The technical solution of the embodiment of the present application can be applied to embedded system.
Embodiment one
A kind of system start method for running on embedded device is provided in the present embodiment, and Fig. 1 is according to the present invention
The system start method flow chart of embodiment, as shown in Figure 1, the process includes the following steps:
Step S102, embedded device can not the start-up operation system from built-in Flash when, the embedded device foundation
Preset condition detects the legitimacy of the operating system in expanding storage apparatus；
Step S104, in the case where determining that the expanding storage apparatus is legal, which starts the extension storage
The operation system stored in equipment.
Optionally, above-mentioned expanding storage apparatus can be USB flash disk, mobile hard disk etc..
Through the above steps, embedded device can not the start-up operation system from built-in Flash when, the embedded device
Legitimacy according to the operating system in preset condition detection expanding storage apparatus；Determining the legal feelings of the expanding storage apparatus
Under condition, which starts the operating system stored in the expanding storage apparatus, by adopting the above technical scheme, solves phase
It the problem of can not starting after embedded system damage in the technology of pass, realizes embedded device and starts behaviour from expanding storage apparatus
Make system, is operated convenient for user.
Optionally, in the case where the embedded device is from built-in Flash start-up operation system, embedded device detection
It is accessed to the expanding storage apparatus；The embedded device detects the behaviour of the not stored built-in Flash in the expanding storage apparatus
Make the kernel mirror image and file system mirror of system；The embedded device is successively by the kernel mirror image and file of the built-in Flash
System image backs up to the expanding storage apparatus.
Optionally, which backs up to this successively by the kernel mirror image and file system mirror of the built-in Flash
Expanding storage apparatus, comprising: the embedded device obtains the first mirror image text according to the kernel and file system of the built-in Flash
First image file is backed up to the expanding storage apparatus, wherein first image file includes the kernel mirror image and text by part
Part system image.
Optionally, embedded device can not the start-up operation system from built-in Flash when, the embedded device is according to pre-
If condition detects the legitimacy of the operating system in expanding storage apparatus, comprising: the embedded device is by examining first mirror
As file file header in check information determine the legitimacy of the operating system in the expanding storage apparatus.
Optionally, after which starts the operating system stored in the expanding storage apparatus, this method is also wrapped
Include: by the expanding storage apparatus kernel mirror image and file system mirror be sequentially written in the built-in Flash.
It is described in detail below with reference to the preferred embodiment of the present invention.
This preferred embodiment provides a kind of convenient and fast method, damages in the system software of embedded device, equipment can not be just
When often starting to subprogram exception in operation system state or file system, the software systems on Flash are repaired, are adopted
With the scheme of this preferred embodiment, maintenance efficiency can be improved, reduce rehabilitation cost and period.
The technical issues of this preferred embodiment specifically solves is as follows:
1) kernel damages, and equipment can not start；
2) file system corruption, equipment can not start；
3) kernel and file system corruption, equipment can not start；
4) file system portion damages, and equipment can star, and partial function is abnormal.
The preferred embodiment of the present invention uses following technical scheme:
Using the expanding storage apparatus on embedded equipment, such as USB flash disk, SD card (hereinafter referred to as expanding storage apparatus), internally
This two parts system software of core, file system is backed up.In the case where system software exception, BOOT is from expanding storage apparatus
Guidance, starts under operation system state, and the backup and remediation management module in system are responsible for detecting the software on built-in Flash
System is completed to resume work.
Above-mentioned technical proposal mainly includes following three part:
1) BOOT bootstrap guide management and boot disk production.
2) built in Flash system backup to expanding storage apparatus.
3) start from expanding storage apparatus, the software systems in built-in Flash are restored.
Here is the specific embodiment of this preferred embodiment
Fig. 2 is according to system software storage schematic diagram in Flash in the related technology, as shown in Fig. 2, embedded device is soft
Part is in the storage position of Flash.An image file is generated after BOOT compiling in embedded device, is written in Flash, generally puts
In the position of beginning.After kernel and file system compiling, it is packaged into the mirror image of specific format, is stored in and has been planned in Flash
Position.In order to verify the correctness of image file, file header is added before the kernel and file system mirror that compiling generates,
The check information of image file is stored in file header.Fig. 3 is that the kernel mirror image encapsulation of specific embodiment according to the present invention is shown
It is intended to, Fig. 4 is the file system mirror encapsulation schematic diagram of specific embodiment according to the present invention.
In a specific embodiment, including BOOT starting management makes with boot disk, system software backs up, system software is extensive
Multiple three functional modules.
The major function of BOOT starting management and boot disk production module includes realizing the driving of expanding storage apparatus, branch
Hold the zoned format of expanding storage apparatus, such as Fat.The validity judgement of system software, starting device selection, single board system are soft
When part makes, production can be from the mirror image of USB flash disk starting.The specific implementation steps are as follows:
Step 1: realizing that the driving of expanding storage apparatus and subregion are supported in BOOT.
Step 2: using memory file system, the lattice of the memory file system are also used in subsequent file manufacturing process
Formula generates the image file version.bin of kernel and file system unification, copies storage to and set in version manufacturing process
The file header of standby root, version.bin uses verification scheme same with kernel.bin, is used for from external storage
Activation system.
Step 3: equipment is inserted into expanding storage apparatus, legal kernel mirror image kernel.bin and file system for recovery
Mirror image fs.bin is stored in storage equipment root.
Step 4: open equipment power supply, detect expanding storage apparatus in BOOT start-up course, enter step 6, otherwise into
Enter step 5.
Step 5:BOOT selection starts from built-in Flash, terminates.
Step 6:BOOT checks the root of storage equipment, and there are version.bin, enter step 7, otherwise enter step
5。
For step 7:BOOT according to the check information in version.bin file header, it is legal to carry out to version.bin mirror image
Property verification, otherwise verification enters step 5 by entering step 8.
Step 8:BOOT is from external storage version.bin interception kernel mirror image to memory designated position, from the position
Starting kernel, kernel loads memory file system mirror image are set, carry file system completes equipment from extension into operating system
Store the starting of equipment.
System backup module passes through software after referring to that embedded device normally starts to operating system from built-in Flash
The module of realization, the kernel and file system mirror which is used to complete in built-in Flash are with document form
It is saved in the function of expanding storage apparatus root.The specific implementation steps are as follows:
Step 1: for embedded device after built-in Flash starting, system backup module is in monitoring expanding storage apparatus shape
State.
Step 2: system backup module detects that expanding storage apparatus is inserted into, and detects that the root of expanding storage apparatus does not have
Have with the consistent kernel.bin and fs.bin of content in Flash, enter step 3, otherwise enter step 1.
Step 3: system backup module reads kernel mirror image from Flash, writes under expanding storage apparatus root
Kernel.bin, if write-in failure, enters step 1, be successfully entered step 4.
Step 4: according to the check information in kernel.bin file header, legitimacy verifies, verification being carried out to kernel mirror image
Step 5 is entered correctly into, failure deletes kernel.bin, enters step 1.
Step 5: system backup module reads file system mirror from Flash, writes under expanding storage apparatus root
Fs.bin, if write-in failure, deletes kernel.bin, enter step 1, be successfully entered step 6.
Step 6: according to the check information in fs.bin file header, legitimacy verifies, verification being carried out to file system mirror
Step 7 is entered correctly into, failure deletes fs.bin and kernel.bin, enters step 1.
Step 7: backup is completed, flashing light instruction, carries out unloading unmout to storage equipment.
System recovery module passes through after referring to that embedded device starts to operation system state from external storage
The software module realized in file system, the kernel and file system which is used to complete in external storage
System mirror image, is written the function of corresponding position in Flash.The specific implementation steps are as follows:
The equipment that step 1:BOOT can not normally start, expanding storage apparatus of the insertion for reparation.
Step 2: opening power supply, equipment is selected by BOOT, started under the operating system of expanding storage apparatus.
Step 3: system recovery module checks the kernel mirror image in built-in Flash, reads kernel mirror image, generates verification letter
Breath enters step 5 if check information is consistent in file header, inconsistent, enters step 4.
Step 4: kernel subregion in erasing Flash reads kernel mirror image from expanding storage apparatus, writes the kernel of Flash
Subregion.It is written successfully, it is consistent from Flash reading verification, 5 are entered step, failure is written or verifies inconsistent, recovery failure, knot
Beam.
Step 5: system recovery module checks the file system mirror in built-in Flash, reads file system mirror, generates
Check information enters step 7 if check information is consistent in file header, inconsistent, enters step 6.
Step 6: file partition in erasing Flash is read file system mirror from expanding storage apparatus, is write
The file partition of Flash.It is written successfully, reads verification unanimously from Flash, enter step 7, write-in fails or verifies different
It causes, restores failure, terminate.
Step 7: completing to restore, flashing light provides instruction, and unmout stores equipment, waits and extracts equipment.
Step 8: after storage equipment is extracted, restarting equipment is completed to restore.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment two
A kind of system starting device is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably
Mode is applied, the descriptions that have already been made will not be repeated.As used below, the soft of predetermined function may be implemented in term " module "
The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Fig. 5 is the structural block diagram of starter according to the system in the embodiment of the present invention, as shown in figure 5, the device includes:
Second detection module 52, for can not the start-up operation system from built-in Flash when, according to preset condition detect
The legitimacy of operating system in expanding storage apparatus；
Starting module 54 is connected to the second detection module 52, in the case where determining that the expanding storage apparatus is legal,
Start the operating system stored in the expanding storage apparatus.
Optionally, the device further include: first detection module, for from built-in Flash start-up operation system the case where
Under, detect that the expanding storage apparatus accesses, and detect the operation system of the not stored built-in Flash in the expanding storage apparatus
The kernel mirror image and file system mirror of system；Backup module, for successively by the kernel mirror image and file system of the built-in Flash
The expanding storage apparatus is written in mirror image.
Optionally, the starting module 54 be also used to by the expanding storage apparatus kernel mirror image and file system mirror according to
In secondary write-in built-in Flash.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment three
According to another embodiment of the invention, a kind of processor is provided, the processor is for running program, wherein
The program executes method described in above-mentioned any one of alternative embodiment when running.
Example IV
Another embodiment according to an embodiment of the present invention, additionally provides a kind of storage medium, which includes depositing
The program of storage, wherein the program executes method described in above-mentioned any one of alternative embodiment when running.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of system start method characterized by comprising
Embedded device can not the start-up operation system from built-in Flash when, the embedded device is examined according to preset condition
Survey the legitimacy of the operating system in expanding storage apparatus；
In the case where determining that the expanding storage apparatus is legal, the embedded device starts to be deposited in the expanding storage apparatus
The operating system of storage.
2. the method according to claim 1, wherein the method also includes:
In the case where the embedded device is from built-in Flash start-up operation system, the embedded device detects described
Expanding storage apparatus access；
The embedded device detects the kernel of the operating system of the not stored built-in Flash in the expanding storage apparatus
Mirror image and file system mirror；
The embedded device successively by the kernel mirror image and file system mirror of the built-in Flash, backs up to the extension
Store equipment.
3. according to the method described in claim 2, it is characterized in that, the embedded device is successively by the built-in Flash's
Kernel mirror image and file system mirror back up to the expanding storage apparatus, comprising:
The embedded device obtains the first image file according to the kernel and file system of the built-in Flash, by described the
One image file backs up to the expanding storage apparatus, wherein first image file includes the kernel mirror image and file
System image.
4. according to the method described in claim 3, it is characterized in that, behaviour can not be started from built-in Flash in embedded device
When making system, legitimacy of the embedded device according to the operating system in preset condition detection expanding storage apparatus, comprising:
Check information in file header of the embedded device by examining first image file determines that the extension is deposited
Store up the legitimacy of the operating system in equipment.
5. the method according to claim 1, wherein the embedded device starts in the expanding storage apparatus
After the operating system of storage, the method also includes:
By in the expanding storage apparatus kernel mirror image and file system mirror be sequentially written in the built-in Flash.
6. a kind of system starting device characterized by comprising
Second detection module, for can not the start-up operation system from built-in Flash when, according to preset condition detection extension deposits
Store up the legitimacy of the operating system in equipment；
Starting module, for starting and being deposited in the expanding storage apparatus in the case where determining that the expanding storage apparatus is legal
The operating system of storage.
7. device according to claim 6, which is characterized in that described device further include:
First detection module, for detecting the expanding storage apparatus from built-in Flash start-up operation system
Access, and detect the kernel mirror image and file of the operating system of the not stored built-in Flash in the expanding storage apparatus
System image；
Backup module, for by the kernel mirror image and file system mirror of the built-in Flash, the extension storage successively to be written
Equipment.
8. device according to claim 6, which is characterized in that the starting module is also used to the expanding storage apparatus
In kernel mirror image and file system mirror be sequentially written in the built-in Flash.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run
Execute method described in 1 to 5 any one of the claims.
10. a kind of processor, which is characterized in that the processor is for running program, wherein on being executed when described program is run
State method described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476709.2A CN109117190A (en) | 2017-06-21 | 2017-06-21 | System start method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476709.2A CN109117190A (en) | 2017-06-21 | 2017-06-21 | System start method and device |
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| CN109117190A true CN109117190A (en) | 2019-01-01 |
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| CN201710476709.2A Pending CN109117190A (en) | 2017-06-21 | 2017-06-21 | System start method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112463242A (en) * | 2020-12-17 | 2021-03-09 | 南方电网电力科技股份有限公司 | Starting method and device for electric energy meter operating system, electric energy meter and storage medium |
| CN113407256A (en) * | 2021-06-21 | 2021-09-17 | 国网北京市电力公司 | Method and device for processing parameters of electric energy meter |
-
2017
- 2017-06-21 CN CN201710476709.2A patent/CN109117190A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112463242A (en) * | 2020-12-17 | 2021-03-09 | 南方电网电力科技股份有限公司 | Starting method and device for electric energy meter operating system, electric energy meter and storage medium |
| CN113407256A (en) * | 2021-06-21 | 2021-09-17 | 国网北京市电力公司 | Method and device for processing parameters of electric energy meter |
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