CN102799484A - Method and device for running multiple operating systems by mobile terminal - Google Patents
Method and device for running multiple operating systems by mobile terminal Download PDFInfo
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- CN102799484A CN102799484A CN2012102391392A CN201210239139A CN102799484A CN 102799484 A CN102799484 A CN 102799484A CN 2012102391392 A CN2012102391392 A CN 2012102391392A CN 201210239139 A CN201210239139 A CN 201210239139A CN 102799484 A CN102799484 A CN 102799484A
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Abstract
The invention discloses a method and device for running multiple operating systems by a mobile terminal. The method comprises the following steps that: after the mobile terminal is initialized, whether one operating system needs to be switched is judged according to a preset boot mark, wherein the mobile terminal is configured with the multiple operating systems, each operating system has a corresponding partition table entry in a partition table, and each partition table entry is used for recording a software partition corresponding to each operating system; if one operating system needs to be switched, the mobile terminal determines the next operating system according to the boot mark and modifies the partition types of the partition table entries, corresponding to other operating systems, in the partition table as the partition types which are unrecognizable for the next operating system, and the boot mark is deleted; and the mobile terminal reboots after receiving a rebooting instruction and then loads boot codes of the next operating system according to the partition types in the partition table, and then the next operating system is guided by means of the boot codes. The method and the device solves the problems of complex design and difficult implementation in the running of the multiple systems.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and device of running of mobile terminal multiple operating system.
Background technology
Along with popularizing of smart mobile phone; Increasing company begins to march smart mobile phone market; And the operating system of release oneself; Therefore mobile phone operating system miscellaneous occurred on the market, wherein, represented the most with the android (peace is tall and erect) and the windows phone operating system of Microsoft of google (Google).Integrated the providing more choices of OEM (OriginalEquipment Manufacturer, original equipment manufacturers) not only given in the appearance of these mobile phone operating systems, and buys mobile phone to the user and provide more choices.
If current popular mobile phone operating system is integrated in the middle of the same mobile phone simultaneously; And offer a kind of method of between these mobile phone operating systems, switching of user, and not only can improve the playability of mobile phone greatly, let the user experience the difference experience that a plurality of operating systems are brought simultaneously; For cell phone manufacturer; Can also attract more user, increase the sales volume of mobile phone, promote mobile phone brand degree.
Traditional mobile phone dual system implementation adopts the method for retouching operation system kernel to realize mostly, and this method relates to a plurality of modules of operating system nucleus, complex design not only, and implement also relatively difficulty.
Move multisystem to the mode of revising system kernel in the correlation technique and have complex design, and realize the relatively problem of difficulty, do not propose effective solution at present as yet.
Summary of the invention
The invention provides a kind of method and device of running of mobile terminal multiple operating system, move multisystem with the mode that solves above-mentioned modification system kernel at least and have complex design, and realize the relatively problem of difficulty.
According to an aspect of the present invention, a kind of method of running of mobile terminal multiple operating system is provided, has comprised: after portable terminal starts, judged whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, mobile terminal configuration has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and this subregion list item is used to write down the corresponding software partition of this operating system; If desired, portable terminal is confirmed next operating system according to boot flag; The divisional type that portable terminal is revised the subregion list item of other operating system correspondence except that this next one operating system in the partition table is the divisional type that next operating system can't be discerned, and the deletion boot flag; This portable terminal is restarted after receiving instruction of restarting, according to the guidance code of this next one operating system of the loading of the divisional type in the partition table, and should next one operating system through the guidance code guiding.
The setting up procedure of above-mentioned boot flag comprises: portable terminal receives the switching operating system instruction that the user sends; The value that portable terminal is provided with boot flag is the corresponding value of switching operating system instruction.
The value that above-mentioned portable terminal is provided with boot flag is that the corresponding value of switching operating system instruction comprises: if a plurality of operating systems of mobile terminal configuration are two, the value that portable terminal is provided with boot flag is the value of appointment; If a plurality of operating systems of mobile terminal configuration are greater than two, the value that portable terminal is provided with boot flag is the ident value of switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.
Above-mentioned partition table is stored among the embedded multimedia storage card eMMC; EMMC uses MBR MBR partitioned mode or GPT (GUID PartitionTable; The GUID partition table; Wherein, GUID is Globally Unique identifier, the abbreviation of global unique identification symbol) partitioned mode carries out subregion.
According to a further aspect in the invention, a kind of device of running of mobile terminal multiple operating system is provided, has comprised: the switching judging module is used for after portable terminal starts, judging whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, mobile terminal configuration has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and this subregion list item is used to write down the corresponding software partition of this operating system; The operating system determination module needs switching operating system if be used for the result of switching judging module judgement, confirms next operating system according to boot flag; Switch module is set; The divisional type that is used for revising the corresponding subregion list item of partition table other operating system except that the next operating system that the operating system determination module is confirmed is the divisional type that next operating system can't be discerned, and the deletion boot flag; Bootstrap module; Be used for receiving after instruction of restarting restarts at portable terminal; According to switching the guidance code of the next operating system that the divisional type load operation system determination module in the partition table that module is provided with confirms is set, guides above-mentioned next operating system through guidance code.
Said apparatus also comprises: boot flag is provided with module, is used to receive the switching operating system instruction that the user sends, and the value that boot flag is set is the corresponding value of switching operating system instruction.
Above-mentioned boot flag is provided with module and comprises: first boot flag is provided with the unit, is two if be used for a plurality of operating systems of mobile terminal configuration, and the value that boot flag is set is the value of appointment; Second boot flag is provided with the unit, if a plurality of operating systems that are used for mobile terminal configuration greater than two, the value that boot flag is set is the ident value of switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.
Partition table in the said apparatus is stored among the embedded multimedia storage card eMMC, and eMMC uses MBR MBR partitioned mode or GPT partitioned mode to carry out subregion.
Through the present invention; In the bootup process that realizes different operating system, only need make amendment, and need not carry out any type of modification the kernel of operating system to the divisional type in the partition table; Having solved the mode of revising system kernel moves multisystem and has complex design; And realize the relatively problem of difficulty, reduced cost of development, be easy to realize.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the method flow diagram according to the running of mobile terminal multiple operating system of the embodiment of the invention;
Fig. 2 is the process flow diagram according to the boot flag method to set up of the embodiment of the invention;
Fig. 3 is the mobile phone bootstrap technique process flow diagram according to the dual system scheme of the embodiment of the invention;
Fig. 4 switches to the process of operating system B the synoptic diagram of MBR and EBR replacement process among the eMMC according to the embodiment of the invention from operating system A;
Fig. 5 is the structured flowchart according to the device of the running of mobile terminal multiple operating system of the embodiment of the invention;
Fig. 6 is the concrete structure block diagram according to the device of the running of mobile terminal multiple operating system of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Portable terminal in the embodiment of the invention can be intelligent terminals such as mobile phone, and wherein, this mobile terminal configuration has a plurality of operating systems; The corresponding divisional type that is used to guide this operating system of each operating system; Because the divisional type here is used for the pilot operationp system, so the corresponding divisional type of each operating system has nothing in common with each other, and avoided the interference problem in the bootup process effectively; Based on this; The embodiment of the invention provides a kind of method of running of mobile terminal multiple operating system, the method flow diagram of running of mobile terminal multiple operating system as shown in Figure 1, and this method may further comprise the steps:
Step S102 after portable terminal starts, judges whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, the mobile terminal configuration in this method has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and this subregion list item is used to write down the corresponding software partition of this operating system;
Wherein, Divisional type refers to the type of software partition; An operating system is to there being a plurality of software partitions, and these software partitions all have the subregion list item of a correspondence to exist in partition table, and the divisional type in this subregion list item has write down the type of this software partition;
Step S104, if desired, portable terminal is confirmed next operating system according to boot flag;
The divisional type that step S106, portable terminal revise the subregion list item of other operating system correspondence except that above-mentioned next operating system in the partition table is the divisional type that next operating system can't be discerned, and the deletion boot flag;
Step S108, portable terminal are restarted after receiving instruction of restarting, load the guidance code of next operating system according to the divisional type in the partition table, guide next operating system through guidance code.
Certainly, for not carrying out the situation that operating system is switched, present embodiment will be handled according to normal boot flow.
Present embodiment is in the bootup process that realizes different operating system; Only need make amendment to the divisional type in the partition table; And need not carry out any type of modification to the kernel of operating system, solve the mode of revising system kernel to move multisystem and have complex design, and realized the relatively problem of difficulty; Reduced cost of development, be easy to realize.
The setting up procedure of above-mentioned boot flag comprises: portable terminal receives the switching operating system instruction that the user sends; The value that this portable terminal is provided with boot flag is the corresponding value of switching operating system instruction.The process flow diagram of boot flag method to set up as shown in Figure 2, this method may further comprise the steps:
Step S202, mobile terminal-opening gets into operating system A or B;
Step S204 gets into switching operating system setting or application;
Step S206, through user's clicking operation system switching menu, it is TRUE that bottom layer driving is provided with boot flag, this boot flag is nonvolatile (forever) variable, guarantees that the value of system's this variable record in the process of restarting can not lost;
Step S208 is restarted this portable terminal, beginning operating system handoff procedure.
Above-mentioned Fig. 2 for method in; Boot flag is set to TRUE; The situation of two operating systems that relatively has been applicable to mobile terminal configuration, when this is masked as TRUE, then explanation need switch to another operating system from current operation system; For mobile terminal configuration the situation of a plurality of operating systems, can this boot flag be set to the operating system value corresponding that will switch to.Based on this, the value that above-mentioned portable terminal is provided with boot flag is that the corresponding value of switching operating system instruction comprises: if a plurality of operating systems of mobile terminal configuration are two, the value that portable terminal is provided with boot flag is the value of appointment; If a plurality of operating systems of mobile terminal configuration are greater than two, the value that portable terminal is provided with boot flag is the ident value of switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.This set mode is fairly simple, flexible, can adapt to actual demand.
Partition table in the present embodiment is stored in the embedded multimedia storage card (eMMC, embedded MultiMedia Card), and eMMC uses MBR (MBR, Master Boot Record) MBR partitioned mode or GPT mode to carry out subregion.Preferably, this divisional type is made up of with expansion leader record (EBR, Extended Boot Record) MBR.Use in the eMMC memory device of MBR partitioned mode, the subregion list item that MBR MBR is corresponding with expanding leader record EBR has write down guiding type, divisional type, initial sector address and the size of each software partition.Wherein, divisional type has determined the content of software partition, and the subregion list item of MBR and EBR is searched through divisional type by system in the process of guiding, find corresponding software partition in eMMC the initial sector address and handle accordingly.If portable terminal will be supported dual system, at first in eMMC the needed software partition of each system creation, through download tool the dual system version is downloaded to respectively in the middle of the corresponding software partition then.For dual system; Owing to there is the software partition of two systems among the eMMC simultaneously; The software partition that probably has same type in the software partition of these two systems; Will support two android systems simultaneously such as mobile phone, the divisional type of the software partition that these two android systems are corresponding is all identical.Therefore; Guide some systems wherein; Just need to get rid of the influence that the corresponding software partition of another one system among the eMMC brings the guiding of current system, to this, present embodiment is the type that current operation system can't be discerned through the divisional type of in the process of guiding, revising the corresponding software partition of another one operating system in the partition table; The influence that the software partition that shields another one operating system brings the guiding of current operation system, thus realize the portable terminal dual system.
Suppose that mobile phone will support operating system A and operating system B simultaneously, mobile phone uses eMMC as memory device, and uses the MBR partitioned mode to carry out subregion.Among the eMMC except that the corresponding software partition of operating system A and operating system B; There are 4 software partitions in addition; Deposit the MBR and the EBR that are used for A of pilot operationp system and operating system B respectively; Be designated as MBR_A, EBR_A, MBR_B, EBR_B respectively, MBR_A and EBR_A have shielded the divisional type of the corresponding software partition of operating system B, and MBR_B and EBR_B have shielded the divisional type of the corresponding software partition of operating system A.Supposing that mobile phone is started shooting for the first time gets into operating system A.The mobile phone bootstrap technique process flow diagram of dual system scheme as shown in Figure 3, this method comprises the steps:
Step S302, mobile phone power on or restart;
Step S304, the bootloader (guidance code) that the A of load operation system is corresponding carries out in internal memory;
Step S306 detects boot flag in the bootloader implementation, judge whether to switch to operating system B; If need not switch to operating system B, then jump to step S316, otherwise, the process that the step S308 below carrying out describes to S314;
Step S308 according to subregion list item record among MBR among the eMMC and the EBR, searches the MBR_B that is used for the B of pilot operationp system and the position of EBR_B subregion;
Step S310 uses the content of MBR_B and EBR_B subregion to replace the content of MBR and EBR partition table among the eMMC respectively;
Step S312 removes boot flag, restarts mobile phone through reset (restarting) instruction;
Step S314, the bootloader that the B of load operation system is corresponding carries out in internal memory, and operating system B begins normal boot;
Step S316, operating system A normal boot.
In the above-mentioned bootup process, step S304 need detect boot flag, need to judge whether switching operating system.
By the way, when mobile phone after operating system A switches to operating system B, if the user does not select the switching operating system menu, follow-up each start all will be given tacit consent to and get into operating system B.
Above-mentioned eMMC also can use the partitioned mode of GPT; Need in software partition, not increase the MBR_A that is used for A of pilot operationp system and B in addition yet; MBR_B; EBR_A, EBR_B is as long as can be revised as the divisional type of other operating system in the partition table divisional type that the operating system that will guide can't be discerned.
Method corresponding shown in Figure 3; Fig. 4 has provided from operating system A and has switched to the process of operating system B, and the synoptic diagram of MBR and EBR replacement process can be found out by Fig. 4 among the eMMC; Partition table and software partition have been comprised among this eMMC; And stored the divisional type of moving or being about to the operating system of operation in the partition table, except comprising operating system A and operating system B, also comprised the corresponding information such as divisional type of operating system in the software partition; Through above-mentioned changing method, with being that MBR_A and EBR_A replace with MBR_B and EBR_B originally in the partition table.
Through revising the mode of partition table, not only can be used for the realization of dual system, if storage size allows, can also be used in the system that supports on the mobile phone more than three or three.This method is simplicity of design not only, and implements relatively easy.
Corresponding to said method, the embodiment of the invention also provides a kind of device of running of mobile terminal multiple operating system, and is as shown in Figure 5, and this device comprises with lower module:
Switching judging module 52 is used for after portable terminal starts, judging whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, mobile terminal configuration has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and this subregion list item is used to write down the corresponding software partition of this operating system;
Operating system determination module 54 links to each other with switching judging module 52, needs switching operating system if be used for the result of switching judging module 52 judgements, confirms next operating system according to boot flag;
Certainly, for not carrying out the situation that operating system is switched, present embodiment will be handled according to normal boot flow.
Present embodiment is in the bootup process that realizes different operating system; Only need make amendment to the divisional type in the partition table; And need not carry out any type of modification to the kernel of operating system, solve the mode of revising system kernel to move multisystem and have complex design, and realized the relatively problem of difficulty; Reduced cost of development, be easy to realize.
The concrete structure block diagram of the device of running of mobile terminal multiple operating system as shown in Figure 6; This device is except comprising each module shown in Figure 5; This device also comprises: boot flag is provided with module 62; Link to each other with switching judging module 52, be used to receive the switching operating system instruction that the user sends, the value that boot flag is set is the corresponding value of switching operating system instruction.
Operating system number to this mobile terminal configuration is different, and above-mentioned boot flag is provided with module 62 and comprises: first boot flag is provided with the unit, is two if be used for a plurality of operating systems of mobile terminal configuration, and the value that boot flag is set is the value of appointment; Second boot flag is provided with the unit, if a plurality of operating systems that are used for mobile terminal configuration greater than two, the value that boot flag is set is the ident value of switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.
Same as the previously described embodiments, the partition table in this device is stored among the embedded multimedia storage card eMMC, and eMMC uses MBR partitioned mode or GPT partitioned mode to carry out subregion.Preferably, the divisional type of a plurality of operating systems of mobile terminal configuration is made up of MBR MBR and expansion leader record EBR.
From above description, can find out; The embodiment of the invention only need be made amendment to the divisional type in the partition table, and need not carry out any type of modification to the kernel of operating system in the bootup process that realizes different operating system; Having solved the mode of revising system kernel moves multisystem and has complex design; And realize the relatively problem of difficulty, reduced cost of development, be easy to realize.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the memory storage and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method for a running of mobile terminal multiple operating system is characterized in that comprising:
After portable terminal starts, judge whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, said mobile terminal configuration has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and said subregion list item is used to write down the corresponding software partition of this operating system;
If desired, said portable terminal is confirmed next operating system according to said boot flag;
The divisional type that said portable terminal is revised the subregion list item of other operating system correspondence except that said next operating system in the partition table is the divisional type that said next operating system can't be discerned, and deletes said boot flag;
Said portable terminal is restarted after receiving instruction of restarting, loads the guidance code of said next operating system according to the divisional type in the said partition table, guides said next operating system through said guidance code.
2. method according to claim 1 is characterized in that, the setting up procedure of said boot flag comprises:
Said portable terminal receives the switching operating system instruction that the user sends;
The value that said portable terminal is provided with boot flag is the corresponding value of said switching operating system instruction.
3. method according to claim 2 is characterized in that, the value that said portable terminal is provided with boot flag is that the corresponding value of said switching operating system instruction comprises:
If a plurality of operating systems of said mobile terminal configuration are two, the value that said portable terminal is provided with boot flag is the value of appointment;
If a plurality of operating systems of said mobile terminal configuration are greater than two, the value that said portable terminal is provided with boot flag is the ident value of said switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.
4. method according to claim 1 is characterized in that, said partition table is stored among the embedded multimedia storage card eMMC, and said eMMC uses MBR MBR partitioned mode or global unique identification symbol partition table GPT partitioned mode to carry out subregion.
5. the device of a running of mobile terminal multiple operating system is characterized in that comprising:
The switching judging module is used for after said portable terminal starts, judging whether the needs switching operating system according to the boot flag that is provided with in advance; Wherein, said mobile terminal configuration has a plurality of operating systems, and all there is corresponding subregion list item in each operating system in partition table, and said subregion list item is used to write down the corresponding software partition of this operating system;
The operating system determination module needs switching operating system if be used for the result of said switching judging module judgement, confirms next operating system according to said boot flag;
Switch module is set; The divisional type that is used for revising the corresponding subregion list item of partition table other operating system except that the next operating system that said operating system determination module is confirmed is the divisional type that said next operating system can't be discerned, and deletes said boot flag;
Bootstrap module; Be used for receiving after instruction of restarting restarts at said portable terminal; The guidance code that divisional type in the said partition table of module setting loads the next operating system that said operating system determination module confirms is set according to said switching, guides said next operating system through said guidance code.
6. device according to claim 5 is characterized in that said device also comprises: boot flag is provided with module, is used to receive the switching operating system instruction that the user sends, and the value that boot flag is set is the corresponding value of said switching operating system instruction.
7. device according to claim 6 is characterized in that, said boot flag is provided with module and comprises:
First boot flag is provided with the unit, is two if be used for a plurality of operating systems of said mobile terminal configuration, and the value that boot flag is set is the value of appointment;
Second boot flag is provided with the unit, if a plurality of operating systems that are used for said mobile terminal configuration greater than two, the value that boot flag is set is the ident value of said switching operating system instruction relative operation system; Wherein, corresponding ident value of each operating system.
8. device according to claim 5; It is characterized in that; Partition table in the said device is stored among the embedded multimedia storage card eMMC, and said eMMC uses MBR MBR partitioned mode or global unique identification symbol partition table GPT partitioned mode to carry out subregion.
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