CN103136002B - The control method of a kind of upgrading automatically based on UBoot and system - Google Patents
The control method of a kind of upgrading automatically based on UBoot and system Download PDFInfo
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- CN103136002B CN103136002B CN201110382144.4A CN201110382144A CN103136002B CN 103136002 B CN103136002 B CN 103136002B CN 201110382144 A CN201110382144 A CN 201110382144A CN 103136002 B CN103136002 B CN 103136002B
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Abstract
The invention discloses the control method of a kind of upgrading automatically based on UBoot, including: system initializes, if detection connects USB flash disk or the webserver, then detect USB flash disk or whether the webserver exists script file and whether script file is effective, if so, then according to the editor's UBoot instruction of this script file；System is according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, if then detection has the source file of the redaction of this software to be upgraded, then according to this source file, this software to be upgraded is upgraded, the upgrading of completion system.The application present invention, solves the problem being currently needed for system is carried out automatic upgrade requirement.
Description
Technical field
The present invention relates to system update field, be specifically related to control method and the system of a kind of upgrading automatically based on UBoot.
Background technology
Electron trade has had been enter into " rear PC " epoch, and big and small embedded system has been deep into the every aspect producing and living.And, along with developing rapidly of chip technology, no matter it is the consumer universal product (mobile phone/PMP etc.), or industry special equipment (tax control machine/billing machine etc.), all at the hardware platform adopting more than 32, and use operating system.Such hardware, software architecture determine the software level of system can be more complicated, it is necessary to bootstrap, operating system, file system, multi-format data subregion etc..Fig. 1 is the schematic diagram of current typical embedded system storage distribution.
UBoot is currently used most commonly used bootstrap of increasing income (bootloader), supports the guiding of 32 hardware platforms of most main flow and mainstream operation system.It has abundant instruction and peripheral hardware to drive, and can meet the needs of this type of system most.Adopt UBoot to do the system guided, can operate by Open control platform in the development phase, realize various miscellaneous function by manually performing instruction under its Debug pattern, as accessed USB flash disk, network loading procedure, read-write Flash and internal memory, setting.After product approval, consing can be closed, and makes troubles thus to the upgrading of operating system, file system etc..Such as in some special product (such as tax control machine/billing machine), it is necessary to upgrading operating system therein, file system the two part automatically.It addition, for this series products, in addition it is also necessary to there are the demands such as the hardware fault localization method that do not rely on operating system easily.Additionally, general UBoot is likely to also need to embed the distinctive special operational of some equipment, therefore UBoot self also faces the demand needing upgrading.Thus need a safety, fast, easily system-level upgrade method, it is possible to quickly finished the upgrading to systems soft wares at different levels in the product stage by service personal.It addition, for this series products, in batch production and maintenance process, the method also needing to a hardware fault diagnosis not relying on operating system easily, namely can automatically guide the fault diagnostic program in pocket memory, complete fault diagnosis, and do not affect the operation of original system being cured.On the whole, it is necessary to system has the back door of the upgrade-system software having security control and booting failure diagnotor.UBoot has abundant assistant adjustment instruction, can realize more aforesaid upgrading and loading demands completely by different instruction combinations.Therefore, the technical scheme of a kind of upgrading automatically based on UBoot it is currently needed for, it is possible to combine execution in the product stage by the instruction of UBoot and solve the problems referred to above.
Summary of the invention
The technical problem to be solved is in that to provide control method and the system of a kind of upgrading automatically based on UBoot, with the problem that solution is currently needed for system is carried out automatic upgrade requirement.
In order to solve the problems referred to above, the invention provides the control method of a kind of upgrading automatically based on UBoot, including:
System initializes, if detection connects USB flash disk or the webserver, then detects USB flash disk or whether the webserver exists script file and whether script file is effective, if so, then according to the editor's UBoot instruction of this script file；
System is according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, if then detection has the source file of the redaction of this software to be upgraded, then according to this source file, this software to be upgraded is upgraded, the upgrading of completion system.
Further, said method may also include that the described step according to script file editor's UBoot instruction, including: embed each instruction of upgrade file detection, script file deciphering, instruction parsing, instruction execution and prompting.
Further, if said method may also include that described system there is software to be upgraded in detection, if then detection has the source file of the redaction of this software to be upgraded, the step then according to this source file, this software to be upgraded upgraded, including: script file is decrypted, detect whether there is software to be upgraded, if having, then judge the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver, if having, then according to this source file, this software to be upgraded being upgraded, upgrading the prompting of completion system upgrade successfully.
Further, if said method may also include that described system judges that being not connected with USB flash disk or the webserver, USB flash disk or the webserver does not have script file, or script file is invalid；Or described system is according to resolving the UBoot instruction after editor, if detection is absent from software to be upgraded or USB flash disk or the webserver is absent from the source file of redaction of this software to be upgraded, then points out mistake, detection of end process, and run original system.
Further, said method may also include that system is according to the UBoot instruction resolved after editing, it is judged that if there being program to be loaded, then loads this program and runs.
Further, said method may also include that described system is based in UBoot instruction fatload, erase and cp and controls upgrading and the process loaded.
Present invention also offers the control system of a kind of upgrading automatically based on UBoot, including:
Initialization module, for system is initialized, if detection connects USB flash disk or the webserver, then detects USB flash disk or whether the webserver exists script file and whether script file is effective, if so, then according to the editor's UBoot instruction of this script file；
Detection module, for according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, then detecting whether the source file of the redaction of this software to be upgraded；And
Upgraded module, upgrades to described software to be upgraded for the source file detected according to detection module.Further, said system may also include that the UBoot instruction according to script file editor of the described initialization module, including: embed each instruction of upgrade file detection, script file deciphering, instruction parsing, instruction execution and prompting.
Further, if said system may also include that described detection module there is software to be upgraded in detection, then detect whether the source file of the redaction of this software to be upgraded, specifically refer to: script file is decrypted by described detection module, if detection then judges, after there is software to be upgraded, the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver.
Further, said system may also include that described detection module, it is additionally operable to according to the UBoot instruction resolved after editing, if detection is absent from software to be upgraded, or USB flash disk or the webserver are absent from the source file of the redaction of this software to be upgraded, then point out mistake, detection of end process, and run original system.
Compared with prior art, the application present invention, solve the problem being currently needed for system is carried out automatic upgrade requirement, various combination by UBoot instruction, just can realize other functions, as: from USB flash disk, load a user program being independent of operating system to internal memory, complete specific function (hardware fault diagnosis etc.), but not original program being cured in influential system；Cleaning system data partition, gets rid of the fault of " data partition is disorderly "；Amendment UBoot environmental variable and boot parameter；Os starting etc. is loaded from USB flash disk.Escalation process is automatically performed, and wrong and successfully point out；Script file is through encryption, it is ensured that its legitimacy and effectiveness, and the safety of upgrading；Realize downloading and upgrading based on UBoot instruction, the setting of upgrade parameter, very flexibly and easily.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of current typical embedded system storage distribution.
Fig. 2 is the flow chart of the control method of upgrading automatically based on UBoot of the present invention.
The structural representation of the control system of upgrading automatically based on UBoot of Fig. 3 present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The present invention does the system upgrade of embedded system of bootstrap by UBoot and method that program loads, for to the operating system in system, file system, even UBoot itself carries out system-level upgrading, is additionally operable at product stage automatic load fault diagnotor easily to complete hardware fault diagnosis.By reading the control pin presents and file to be upgraded (or program to be loaded) being connected on the USB flash disk of system USB interface, it may be achieved quickly upgrading automatically.Control script can freely edit as required, different control scripts can realize different operations (upgrading of operating system update, file system, UBoot self upgrading, load fault diagnotor perform diagnosis etc.), and automatically guide new operating system after upgrading, or loading new file system, system is without restarting.
The method of the present invention, both the upgrading of the systems soft ware of product can have been realized in product after-sales service process flexibly, easily, the fault diagnostic program that can load again on USB flash disk performs diagnosis to Installed System Memory and does not affect original system, auxiliary some special functions can also be realized, such as scavenging system data partition etc. in research and development, production process.In a word, the method allows in the product all stereotyped commands of stage running UBoot, and the function that instruction can realize can realize.
Upgrading or program load control pin presents used, have passed through encryption, and escalation process has encryption and decryption to control and equipment, file availability detection, verifying function, it is ensured that the safety of upgrading or loading procedure.
As in figure 2 it is shown, the control method of the upgrading automatically based on UBoot of the present invention, including:
Step 210, system initialize, if detection connects USB flash disk or the webserver, then detect USB flash disk or whether the webserver exists script file and whether script file is effective, if so, then according to the editor's UBoot instruction of this script file
Described script file includes UBoot order code, by order code in script file, the UBoot instruction of system is edited.
The described step according to script file editor's UBoot instruction, including: embed each instruction of upgrade file detection, script file deciphering, instruction parsing, instruction execution and prompting.
Step 220, system are according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, if then detection has the source file of the redaction of this software to be upgraded, then according to this source file, this software to be upgraded are upgraded, the upgrading of completion system.
If there is software to be upgraded in the detection of described system, if then detection has the source file of the redaction of this software to be upgraded, the step then according to this source file, this software to be upgraded upgraded, including: script file is decrypted, detect whether there is software to be upgraded, if having, then judge the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver, if having, then according to this source file, this software to be upgraded being upgraded, upgrading the prompting of completion system upgrade successfully.
Also include: if described system judges that being not connected with USB flash disk or the webserver, USB flash disk or the webserver does not have script file, or script file is invalid；Or described system is according to resolving the UBoot instruction after editor, if detection is absent from software to be upgraded or USB flash disk or the webserver is absent from the source file of redaction of this software to be upgraded, then points out mistake, detection of end process, and run original system.
Farther include: system is according to the UBoot instruction resolved after editing, it is judged that if there being program to be loaded, then loads this program and runs.
Described system can be based in UBoot instruction fatload, erase and cp and control upgrading and the process loaded.The invention is not restricted to fatload, erase and cp, it is possible to be controlled by other universal commands of UBoot instruction.
As it is shown on figure 3, present invention also offers the control system of a kind of upgrading automatically based on UBoot, including: initialization module 301, detection module 302 and upgraded module 303, wherein,
Initialization module 301, for system is initialized, if detection connects USB flash disk or the webserver, then detects USB flash disk or whether the webserver exists script file and whether script file is effective, if so, then according to the editor's UBoot instruction of this script file；
Detection module 302, for according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, then detecting whether the source file of the redaction of this software to be upgraded；And
Upgraded module 303, upgrades to described software to be upgraded for the source file detected according to detection module 302.
Described initialization module according to script file editor's UBoot instruction, including: embed upgrade file detection, script file deciphering, instruction parsing, instruction execution and each instruction pointed out.
If there is software to be upgraded in the detection of described detection module, then detect whether the source file of the redaction of this software to be upgraded, specifically refer to: script file is decrypted by described detection module, if detection then judges, after there is software to be upgraded, the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver.
Described detection module 302, is additionally operable to according to the UBoot instruction resolved after editing, if detection is absent from software to be upgraded, or USB flash disk or the webserver are absent from the source file of the redaction of this software to be upgraded, then point out mistake, detection of end process, and run original system
System upgrade of the present invention and program loading method, it is necessary to there is on system hardware USBHost interface, and UBoot is transplanted in this system platform.UBoot needs to open the config option supporting USBHost, Fat file system, to be supported the access to USB flash disk by UBoot instructions such as fatload, fatls.According to the method that following main points realize the present invention:
1. customization UBoot: before the UBoot a series of initialization steps started are near completion and enter its major cycle, add the function that the detection of relevant USB flash disk, script file detection, script file deciphering and UBoot instruction parsing, upgrading (or to be loaded) file detection, UBoot instruction perform adition process and miscue (buzzer instruction) in aforementioned a series of functions.
2. the order code in script file adopts the standard UBoot order code supported, adds the combination of one or several order codes as required to realize different functions；
3., after script file editor, Encryption Tool need to be used to add check field and through encryption, it is ensured that its legitimacy and effectiveness, and the safety of upgrading；
4. realize loading and upgrading based on UBoot instruction fatload, erase, cp etc., order parameter, as: storage initial address, end address, upgrade file name, file size, upgrade file source (USB flash disk or the webserver) etc. all can freely set as required, very flexibly and easily.
Being also advantageous in that of the method:
1. control script and support all of standard UBoot order code.So, by the various combination of UBoot instruction, it is possible to realize much special function.As: from USB flash disk, load a user program being independent of operating system to internal memory and perform, complete specific function (hardware fault diagnosis etc.), but not original program being cured in influential system；Clear up system Flash data subregion by the erase instruction of UBoot, get rid of the fault of " data partition is disorderly "；By the amendment UBoot environmental variable of the relevant instruction implicit expression of environmental variable and boot parameter；Operating system startup etc. is loaded from USB flash disk.
2. upgrading and loading procedure completing automatically by USB flash disk implicit expression, operation content user is invisible and wrong and successfully points out (buzzer prompting, display lamp flicker etc.).
3. any mistake of upgrading and loading procedure all can exit upgrade mode properly functioning original system.
4. except function above, it is also possible to upgrading UBoot bootstrap self.
5. the control script of upgrading and loading, has inspection field and have passed through encryption, and content is invisible, has good safety, can safeguard back door as the one of system.
Below in conjunction with instantiation, the invention will be further described, wherein, and the example of a complete script file following (before encryption), for upgrading UBoot self automatically:
This filename of # is fixed as script.txt, for kernel, file system upgrading and hardware detection, read-only；
# performs step: 1. kernel upgrading；2.FS upgrades；3. hardware testing；Each step is all nonessential；
This script file of # is loaded into 0xE00000, and 2 upgrade files and hardware test program are loaded into 0x8000；
#UBoot upgrades, and changes UBoot filename as required
fatloadusb00x8000UBoot-3010RB-20101010(0.06_APE_12864).bin0x30000
protectoffall
erase7f0000007f02ffff
cp.b80007f00000030000
# check word: 4649
Note: (No. # beginning is comment section and check field, and other are UBoot order code)
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope that disclosed herein; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (7)
1. the control method based on the upgrading automatically of UBoot, it is characterised in that including:
System initializes, if detection connects USB flash disk or the webserver, then detect USB flash disk or whether the webserver exists script file and whether script file is effective, if, then according to the editor's UBoot instruction of this script file, described script file includes UBoot order code, by the UBoot order code of described script file, the UBoot instruction of system is edited；
System is according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, if then detection has the source file of the redaction of this software to be upgraded, then according to this source file, this software to be upgraded is upgraded, the upgrading of completion system;
System is according to the UBoot instruction resolved after editing, it is judged that if there being program to be loaded, then loads this program and runs,Described program is the program being independent of operating system；
The described step according to script file editor's UBoot instruction, including: embed each instruction of upgrade file detection, script file deciphering, instruction parsing, instruction execution and prompting。
2. the method for claim 1, it is characterised in that
If there is software to be upgraded in the detection of described system, if then detection has the source file of the redaction of this software to be upgraded, the step then according to this source file, this software to be upgraded upgraded, including: script file is decrypted, detect whether there is software to be upgraded, if having, then judge the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver, if having, then according to this source file, this software to be upgraded being upgraded, upgrading the prompting of completion system upgrade successfully.
3. method as claimed in claim 2, it is characterised in that
Also include: if described system judges that being not connected with USB flash disk or the webserver, USB flash disk or the webserver does not have script file, or script file is invalid；Or described system is according to resolving the UBoot instruction after editor, if detection is absent from software to be upgraded or USB flash disk or the webserver is absent from the source file of redaction of this software to be upgraded, then points out mistake, detection of end process, and run original system.
4. the method as described in claim 1 or 3, it is characterised in that
Described system is based in UBoot instruction fatload, erase and cp and controls upgrading and the process loaded.
5. the control system based on the upgrading automatically of UBoot, it is characterised in that including:
Initialization module, for system is initialized, if detection connects USB flash disk or the webserver, then detect USB flash disk or whether the webserver exists script file and whether script file is effective, if, then according to the editor's UBoot instruction of this script file, described script file includes UBoot order code, by the UBoot order code of described script file, the UBoot instruction of system is edited；
Detection module, for according to the UBoot instruction resolved after editing, if detection exists software to be upgraded, then detecting whether the source file of the redaction of this software to be upgraded；And
Upgraded module, upgrades to described software to be upgraded for the source file detected according to detection module；
System is according to the UBoot instruction resolved after editing, it is judged that if there being program to be loaded, then loading this program and run, described program is the program being independent of operating system；
The UBoot instruction according to script file editor of the described initialization module, including: embed each instruction of upgrade file detection, script file deciphering, instruction parsing, instruction execution and prompting.
6. system as claimed in claim 5, it is characterised in that
If there is software to be upgraded in the detection of described detection module, then detect whether the source file of the redaction of this software to be upgraded, specifically refer to: script file is decrypted by described detection module, if detection then judges, after there is software to be upgraded, the source file whether having the redaction of this software to be upgraded on USB flash disk or the webserver.
7. system as claimed in claim 6, it is characterised in that
Described detection module, is additionally operable to according to the UBoot instruction resolved after editing, if detection is absent from software to be upgraded, or USB flash disk or the webserver are absent from the source file of the redaction of this software to be upgraded, then point out mistake, detection of end process, and run original system.
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105278987B (en) * | 2015-09-30 | 2019-06-25 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN105279002B (en) * | 2015-11-23 | 2018-10-26 | 上海网测通信技术有限公司 | Automatically updating method based on System guides file in embedded system |
| CN108270806A (en) * | 2016-12-30 | 2018-07-10 | 航天信息股份有限公司 | A kind of more application upgrade method and systems |
| CN106970809A (en) * | 2017-02-22 | 2017-07-21 | 深圳市鼎阳科技有限公司 | A kind of method and apparatus of safety upgrade file system |
| CN109857422A (en) * | 2018-12-17 | 2019-06-07 | 航天信息股份有限公司 | The method of USB flash disk upgrading kernel and file system |
| CN110569059A (en) * | 2019-09-19 | 2019-12-13 | 天津英田视讯科技有限公司 | USB-based system partition upgrading method under uboot |
| CN110688663A (en) * | 2019-09-23 | 2020-01-14 | 深圳市网心科技有限公司 | Execution command protection method and device, android device and storage medium |
| CN112995313B (en) * | 2021-02-22 | 2022-09-27 | 上海共进信息技术有限公司 | Distributed automatic upgrading method based on 5G millimeter wave gNB system |
| CN113760336A (en) * | 2021-06-30 | 2021-12-07 | 惠州Tcl移动通信有限公司 | Software upgrading method and device, electronic equipment and storage medium |
| CN113468010B (en) * | 2021-09-02 | 2021-11-16 | 湖北芯擎科技有限公司 | File processing method and device, electronic equipment and computer readable storage medium |
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