CN101866295A - Network installation method of operating system - Google Patents
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Abstract
The embodiment of the invention provides a network installation method of an operating system, which comprises the following steps that: a bootstrap of mobile terminal equipment starts up a metaoperating system and enters a system management mode; under the system management mode, the mobile terminal equipment sets up network connection and downloads the corresponding system image file; and the mobile terminal equipment decompresses the system image file, and writes into the corresponding partition to complete the system installation. With the scheme, under the premise of unchanging the function of the bootstrap, the invention realizes the automatic installation of the networking of operating system of the mobile equipment, separates the coupling relation between underlying hardware and network service, reduces the difficulty of transplanting and development, improves the portability of different mobile phone terminals, and has simple realization.
Description
Technical field
The present invention relates to network communication field, particularly, the present invention relates to a kind of method of operating system network installation.
Background technology
Along with the arrival of mobile Internet, intelligent mobile terminal equipment will become main network insertion media, as mobile phone, and MID, embedded device etc.Rely on its functionality advantage and portable characteristics, mobile phone will be gathered around and have broad application prospects, and function characteristics is day by day abundant.Operating system status in mobile phone is more and more important, and the user has also proposed new demand to the automatic intelligent management of mobile phone operating system.The operating system of functional mobile phone (Feature Phone) also can't be installed the third party and use in case installation just can not be revised afterwards, and function is simple, will fade out gradually in the mobile Internet epoch.The present invention is mainly towards changing operating system and the smart mobile phone (Smart Phone) of stand-alone utility being installed.
Though smart mobile phone is supported the replacing of operating system, but the binding of operating system and hardware closely in the present technical scheme, install and upgrade very difficulty of mobile phone operating system, complicated operating process, need the user that certain operating experience and operative skill are arranged, common cellphone user is careless slightly just may fail.Simultaneously, the user upgrades the automatic installation of operation system of smart phone very strong demand.
At first, application-specific demand.The difference of different intelligent mobile phone operating system platform makes that application software set difference is very big, has friendly user interface as the browsing photo program among the iPhone, and Windows Mobile comprises Office Mobile etc.The user wishes to use different application on a mobile phone, but is limited to the restriction of operating system and can't realizes.Smart mobile phone is also becoming new mobile entertainment platform, Games Software towards various intelligence systems is very abundant, and the recreation of different system support also differs widely, and therefore for the user provides a kind of method of different operating system software of using easily very big demand is arranged.
Secondly, operating system update.In order to improve constantly user experience, operation system of smart phone also upgrades version constantly.Be different from PC, the installation of the not competent mobile phone operating system of common cellphone user.So just have to abandon the benefit that redaction operating system is brought, as the reparation (the especially relevant problem of safety) of software defect, the support that the user uses etc.
At last, system failure reparation.Smart mobile phone can be installed third party's program with crucial different being of regular handset.On the one hand, these application extension the user experience of mobile phone, brought abundant application.On the other hand, the software defect during these are used causes mobile phone operating system go wrong (as frequent deadlock, the response time is long etc.) probably.Even professional mobile phone development personnel also must could analyze this type of problem by specific purpose tools such as development boards, domestic consumer then may solve hardly.In addition, if system's infective virus or invaded, the most effective way also is to healthy state with system recovery.In general, unusual if mobile phone operating system occurs, reinstalling operating system is a kind of method fast and effectively.
In sum, be important function of mobile device for the user provides automatic operating system installation.Popular along with the widespread deployment of wireless network and 3G standard, these express network access waies are installed for the mobile device operation gridization automatically assurance are provided.
Present most mobile phone is not supported the automatic installation of operating system, and the user is the download system mirror image manually, manual installation, and the method for operating of different mobile phone terminals also has nothing in common with each other, and the user is had higher requirement.Therefore, a large amount of cellphone subscribers have to abandon in needs refitting system, continue to use the system of original user experience and poor performance.Partially embedded equipment can be realized the automatic renewal of operating system, and its basic skills is an expansion boot (boot loader), the automatic installation of automatic download of network enabled and system image.A lot of general-purpose built-in type equipment boot (as U-Boot) only provide simple network support for convenience of the file transfer in the performance history, generally can only use the TFTP agreement in cable LAN.
This method of supporting the network download of operating system to install by the expansion boot is used in the embedded device of customization more, or in the performance history of embedded device, is not suitable for the mobile phone terminal product of issue, and its reason is:
(1) realizes complexity.Boot is direct and hardware is mutual, the general initial work of only finishing hardware, based on assembly code, and lack friendly secondary developing platform, to in boot, support cell phone network (WiFi, GPRS, 3G, LTE etc.), the network protocol stack difficulty of the driver of realization heterogeneous networks and necessity is very big.In addition, also will realize some aids, as network configuration tool, file is downloaded, file decompression instrument, file system module etc.These instruments or module are designed to independently working in the operating system mostly, can use other storehouses, and it is all very big that these instruments are transplanted in the boot difficulty and workload.
(2) hardware binding.Boot and hardware are directly mutual, need realize at different hardware platform customizations, even identical network also can be realized again because of the different needs of mobile phone hardware.In fact a lot of instruments there is no with module and bottom hardware must be related, but if it is realized then having to transplant according to hardware platform in boot.If expand new function, difficulty can be bigger.
(3) the boot scale expands.Say on the principle that boot only is responsible for the initialization of hardware and being written into of operating system, workload is few, and the program scale is also very little, can be loaded in the internal memory fast to carry out.If with network-driven, procotol and aid are all included, and its scale must expand, and load slowly, even may can't carry out above memory size.
Therefore, be necessary to propose a kind of technical scheme, can realize the network installation of mobile communication equipment operating system, realize operating system networking installation automatically.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, particularly under the prerequisite that does not change the boot function, realize the operating system networking installation automatically of mobile device, separate the coupled relation between the service of bottom hardware and network, reduce and transplant and development difficulty, improve transplantability at different mobile phone terminals.
In order to achieve the above object, embodiments of the invention have proposed a kind of method of operating system network installation, it is characterized in that, may further comprise the steps:
The mobile terminal device boot starts metaoperating system, enters System Management Mode;
Under described System Management Mode, described mobile terminal device is set up network and is connected, and from the corresponding system image file of network download;
Described mobile terminal device decompression systems image file, and it is write corresponding subregion, the system that finishes installs.
Wherein, described mobile terminal device comprises following functional module:
Network conf iotag. module is used to detect available network, and is configured according to network type, sets up the Network Transmission passage;
Data service module is used for being responsible for from webserver download system mirror image, and the integrality of verification system mirror image;
The system service module is used to provide network-driven and file system support service, and provides service to described Network conf iotag. module and described data service module.
Wherein, described mobile terminal device is set up network and is connected and may further comprise the steps:
Network conf iotag. module in the described mobile terminal device will detect current available network automatically, and represent to the user with the form of tabulation;
Described user selects the network of desire use and corresponding configuration information is provided;
Described mobile terminal device establishes a communications link with corresponding network.
Wherein, may further comprise the steps from the corresponding system image file of network download:
Described mobile terminal device sends the down operation system request to server, and described server returns available example operation system image tabulation;
Described user need to select the system image of download;
The integrality of described mobile terminal device download system image file and verification system image file.
Wherein, described mobile terminal device also comprises the performance monitoring module, described performance monitoring module monitors device battery dump energy and network condition, and the prompting user connects the network installation of abandoning operating system under the relatively poor situation at low electric weight or network.
Wherein, described metaoperating system is the operating system of simplifying according to the customization of the hardware platform of described mobile terminal device.
Wherein, described metaoperating system comprises the (SuSE) Linux OS according to described mobile terminal device customization.
Wherein, described mobile terminal device comprises mobile phone, personal digital assistant PDA or net book.
The such scheme that the present invention proposes, under the prerequisite that does not change the boot function, realize the operating system networking installation automatically of mobile device, separate the coupled relation between the service of bottom hardware and network, reduce and transplant and development difficulty, raising realizes simple at the transplantability of different mobile phone terminals.Particularly, the technical scheme that the present invention proposes has following one or more advantage: the boot in this method is the normal guidance program, there is not any additional function, for example metaoperating system is the (SuSE) Linux OS of simplifying that highly customizes, after target platform is transplanted successfully, all-network support and aid can directly use instrument very ripe under the Linux platform, realize simple; With the hardware loose coupling, the metaoperating system between boot and example operation system is with procotol, and the realization and the bottom hardware of aid are separated, can be based on common Linux platform development, and debugging is transplanted and the hardware loose coupling, and transplantability is good; Favorable expandability, metaoperating system provide the platform of example operation system management, can realize new function easily, as support new procotol, and the example operation system is carried out integrity checking, backup user data etc.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the method flow diagram of embodiment of the invention operating system network installation;
Fig. 2 concerns between embodiment of the invention metaoperating system, example operation system, boot and the hardware;
Fig. 3 is the relation of each intermodule of embodiment of the invention metaoperating system;
Fig. 4 is an embodiment of the invention operating system networking installation procedure automatically;
Fig. 5 is the storage mode of embodiment of the invention boot, metaoperating system and example operation system.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In order to realize the present invention's purpose, the present invention is primarily aimed at the management of operating system in the mobile device, two stage startup methods have been proposed, realized the networking installation automatically of operating system: the phase one, boot at first starts the metaoperating system (MetaOS) of built-in height customization, metaoperating system is finished network and is connected tasks such as system image download, checking and installation; Subordinate phase starts the operating system that the user uses, and is called example operation system (IOS, Instance OS).
As shown in Figure 1, the method flow diagram for the network installation of embodiment of the invention operating system may further comprise the steps:
S110: boot starts metaoperating system, enters System Management Mode.
In step S110, the mobile terminal device boot starts metaoperating system, enters System Management Mode.
Particularly, mobile terminal device comprises following functional module:
Network conf iotag. module is used to detect available network, and is configured according to network type, sets up the Network Transmission passage;
Data service module is used for being responsible for from webserver download system mirror image, and the integrality of verification system mirror image;
The system service module is used to provide network-driven and file system support service, and provides service to described Network conf iotag. module and described data service module.
Mobile terminal device also comprises the performance monitoring module in addition, performance monitoring module monitors device battery dump energy and network condition, and the prompting user connects the network installation of abandoning operating system under the relatively poor situation at low electric weight or network.
S120: set up network and connect, and from the corresponding system image file of network download.
In step S120, under System Management Mode, mobile terminal device is set up network and is connected, and from the corresponding system image file of network download.
Particularly, mobile terminal device is set up network and is connected and may further comprise the steps:
Network conf iotag. module in the mobile terminal device will detect current available network automatically, and represent to the user with the form of tabulation;
The user selects the network of desire use and corresponding configuration information is provided;
Mobile terminal device establishes a communications link with corresponding network.
May further comprise the steps from the corresponding system image file of network download:
Mobile terminal device sends the down operation system request to server, and server returns available example operation system image tabulation;
The user need to select the system image of download;
The integrality of mobile terminal device download system image file and verification system image file.
S130: the decompression systems image file, and it is write corresponding subregion, the system that finishes installs.
In step S130, mobile terminal device decompression systems image file, and it is write corresponding subregion, the system that finishes installs.
Wherein, metaoperating system is the operating system of simplifying according to the customization of the hardware platform of mobile terminal device.
For example, metaoperating system comprises the (SuSE) Linux OS according to the mobile terminal device customization.
In the above-described embodiments, mobile terminal device comprises mobile phone, personal digital assistant PDA or net book.
Following mobile terminal device with the mobile phone be example, metaoperating system with the (SuSE) Linux OS be example the present invention is further elaborated, obviously, the invention is not restricted to be applied to mobile phone and metaoperating system and not only comprise (SuSE) Linux OS.
Mainly by boot, metaoperating system and example operation system form the method for the invention at cell-phone customer terminal, between the three and and hardware between relation as shown in Figure 2.Boot is identical with boot in the regular handset, and on-line operation is responsible for the initialization of each parts of mobile phone on hardware, the load operation system kernel, and start.Boot can directly start metaoperating system and also can directly start the example operation system among the present invention, can start different operating system by the various combination that starts button.Under the default situations, boot directly starts the example operation system, and this start process with regular handset is identical.If the user will upgrade or installing operating system, then enter metaoperating system, carry out corresponding operating, restart then, then enter new example operation system.That is to say, metaoperating system finish the download of example operation system and install after promptly withdraw from, can not move simultaneously with the example operation system.Metaoperating system is a linux system of transplanting customization at mobile phone terminal hardware, and the example operation system then is any system that can move in this mobile phone, and as WindowsMobile, Android etc. have nothing to do with metaoperating system.
This shows that the automatic installation of mobile phone terminal operating system networking is mainly finished by metaoperating system, the relation between each module of metaoperating system as shown in Figure 3, its functional module is as follows:
The system service module: comprise network-driven, the file system support provides service to every other module; Network conf iotag. module: detect available network, and be configured, set up the Network Transmission passage according to network type; Data service module: be responsible for from webserver download system mirror image, and the integrality of verification system mirror image; System's installed module: the decompression systems mirror image, and attach it to target partition; The performance monitoring module: watch-dog battery dump energy and network condition, the prompting user connects the network installation of abandoning operating system under the relatively poor situation at low electric weight or network.
As the present invention to embodiment, the networking of operating system automatically installation procedure as shown in Figure 4, operating system networking installation automatically has following steps successively:
1, starts
If a) user presses the start key, boot directly starts the example operation system, can not enter System Management Mode, EO.
B) if the user presses special start key combination, boot will start metaoperating system, enter System Management Mode.
2, network configuration
A) Network conf iotag. module will detect current available network automatically, and represent to the user with the form of tabulation;
B) user selects the network of desire use and corresponding configuration information is provided, for example the WiFi password;
C) setting up network connects;
3, performance monitoring
If it is relatively poor that a) the less or network of user's electric weight connects situation, then point out the user to abandon operation this time, otherwise continue.
4, download mirror image
A) send request to server, server returns available example operation system image tabulation;
B) user selects to wish the system image downloaded;
C) download mirror image and verify the integrality of mirror image;
5, mirror image is installed
A) decompression systems image file, and it is write corresponding subregion, finish installation function.
6, restart system and enter new example operation system
The method of the invention can realize on the regular handset hardware structure that the technical matters of design comprises: boot, metaoperating system, the storage mode tissue of example operation system and system image, the implementation of each module of metaoperating system.
Storage mode comprises:
Fig. 5 is 2 kinds of boot, metaoperating system and example operation system storage mode.Wherein FLASH is common embedded in mobile phone storer, is generally the NAND storage chip; NOR also is a kind of common internal memory, compares with NAND, and capacity is less, and writing rate is slower, but reading speed is fast, and carry out in the supporting pieces (eXecute In Place, XIP); MicroSD is an external storage card commonly used in the mobile phone.Mobile phone only is furnished with an internal memory in the structure shown in Fig. 5 (a), boot, metaoperating system and example operation system are in the different subregions of same storer, is furnished with a NOR storer in the mobile phone shown in Fig. 5 (b) respectively, a nand memory, boot and metaoperating system can be implanted reading speed faster among the NOR, and the example operation system monopolizes nand memory.Not only toggle speed is fast for second kind of structure; and can carry out special protection (even being changed to read-only) to the NOR storer, and prevent distorting of user's modification or rogue program, guarantee the security of metaoperating system; thereby guaranteed the example operation system downloads, the security of installation.
The customization of metaoperating system comprises:
Metaoperating system is the linux system of simplifying according to the height of target mobile phones platform building, and main work concentrates on the transplanting of linux system and simplifies.At first, linux system has had the technology and the method for comparative maturity to the transplanting of embedded device, and the present invention directly uses prior art to finish transplanting; Secondly, customize according to target mobile phones hardware, only keep necessary hardware and drive and tool software, metaoperating system is simplified to minimum, and adopt the initramfs mode that the kernel and the root file system of metaoperating system are organized together, in storage, only take a subregion.System service, network configuration, data, services, system's installation and performance monitoring module only need compile in the cross development environment of target mobile phones platform and get final product, and be identical with common Linux procedure development process, finally is included among the initramfs.
The metaoperating system module realizes comprising:
The system service module: comprise kernel, network-driven, the file system support provides service to every other module.The exploitation of carrying out network-driven at the hardware configuration of target mobile phones platform is identical with the performance history of common Linux driver, and mature methods and technology have been arranged; Common file system can find in the Linux source code greatly, and compiling gets final product as required.The key of system service module is the transplanting of linux system.
Network conf iotag. module: detect available network, and be configured, set up the Network Transmission passage according to network type.Utilize the wireless network related tool (iwlist, iwconfig etc.) of linux system can detect the WiFi network, utilize wpa_supplicant can finish the WiFi authentication, set up network and connect.For GPRS and 3G network, in case driving, Linux loads successfully, after the network equipment added, network certainly can be dynamically connected.
The performance monitoring module: watch-dog battery dump energy and network condition, the prompting user connects download and the installation of abandoning operating system under the relatively poor situation at low electric weight or network.Whether the power management module by system can obtain current battery electric quantity and charge, and the network bandwidth postpones and can obtain alternately by the testability with server.
Data service module: be responsible for from webserver download system mirror image, and the integrality of verification system mirror image.Adopt general http protocol and server interaction.Before downloading, system image judges at first whether local storage has enough new system image of space storage, checks and downloads according to the order of internal memory after the first exterior storage, carries out the MD5 verification after finishing, and guarantees the integrality of mirror image.
System's installed module: the decompression systems mirror image, and attach it to target partition.Different mobile phone operating systems are different to the organizational form of system data and user data, and in order to guarantee safety of user data, the user should at first back up user data before upgrading operating system.To directly cover old system file behind the new system image decompress(ion), reply user data after restarting again.About the automated back-up of user data with recover us the patent introduction is arranged in addition.
Server end is realized comprising:
Server provides the storage of mobile phone terminal network access service and system image.Network access service can adopt general HTTP service, guarantees compatibility and transplantability to different terminals.The storage of system image is except storage system mirror image itself, also needs the check code (adopting MD5 digest as check code) of register system mirror image and the sequencing between the mirror image, allows the user can judge the version of mirror image and new and old easily.
One of ordinary skill in the art will appreciate that and realize that all or part of step that the foregoing description method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be a ROM (read-only memory), disk or CD etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the method for an operating system network installation is characterized in that, may further comprise the steps:
The mobile terminal device boot starts metaoperating system, enters System Management Mode;
Under described System Management Mode, described mobile terminal device is set up network and is connected, and from the corresponding system image file of network download;
Described mobile terminal device decompression systems image file, and it is write corresponding subregion, the system that finishes installs.
2. the method for operating system network installation as claimed in claim 1 is characterized in that, described mobile terminal device comprises following functional module:
Network conf iotag. module is used to detect available network, and is configured according to network type, sets up the Network Transmission passage;
Data service module is used for being responsible for from webserver download system mirror image, and the integrality of verification system mirror image;
The system service module is used to provide network-driven and file system support service, and provides service to described Network conf iotag. module and described data service module.
3. the method for operating system network installation as claimed in claim 2 is characterized in that, described mobile terminal device is set up the network connection and be may further comprise the steps:
Network conf iotag. module in the described mobile terminal device will detect current available network automatically, and represent to the user with the form of tabulation;
Described user selects the network of desire use and corresponding configuration information is provided;
Described mobile terminal device establishes a communications link with corresponding network.
4. the method for operating system network installation as claimed in claim 3 is characterized in that, may further comprise the steps from the corresponding system image file of network download:
Described mobile terminal device sends the down operation system request to server, and described server returns available example operation system image tabulation;
Described user need to select the system image of download;
The integrality of described mobile terminal device download system image file and verification system image file.
5. the method for operating system network installation as claimed in claim 4, it is characterized in that, described mobile terminal device also comprises the performance monitoring module, described performance monitoring module monitors device battery dump energy and network condition, the prompting user connects the network installation of abandoning operating system under the relatively poor situation at low electric weight or network.
6. the method for operating system network installation as claimed in claim 5 is characterized in that, described metaoperating system is the operating system of simplifying according to the hardware platform customization of described mobile terminal device.
7. the method for operating system network installation as claimed in claim 6 is characterized in that, described metaoperating system comprises the (SuSE) Linux OS according to described mobile terminal device customization.
8. as the method for one of any described operating system network installation of claim 1 to 7, it is characterized in that described mobile terminal device comprises mobile phone, personal digital assistant PDA or net book.
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Application publication date: 20101020 |