CN102693139A - Method and system for wirelessly upgrading mobile phone software - Google Patents
Method and system for wirelessly upgrading mobile phone software Download PDFInfo
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- CN102693139A CN102693139A CN2011100731821A CN201110073182A CN102693139A CN 102693139 A CN102693139 A CN 102693139A CN 2011100731821 A CN2011100731821 A CN 2011100731821A CN 201110073182 A CN201110073182 A CN 201110073182A CN 102693139 A CN102693139 A CN 102693139A
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Abstract
The invention discloses a method for wirelessly upgrading mobile phone software. The method comprises the following steps of: 1, downloading a software upgrading packet and setting an upgrading mark; 2, checking a checked value in a guide loading module of original equipment in a signal receiving mirror image module; 3, checking a checked value in a guide loading program of a backup signal receiving mirror image module; 4, checking whether the checked value of the guide loading program is checked successfully, and if the checked value is checked successfully, loading the guide loading program; 5, checking whether the upgrading mark exists, if the upgrading mark does not exist, loading a kernel in a normal mode, and normally starting; and if the upgrading mark exists, loading and running the kernel in a recovered mode, and hanging the backup signal receiving mirror image module; 6, running an upgrading process, and updating the backup signal receiving mirror image module; and 7, clearing away the upgrading mark. The invention discloses a system for wirelessly upgrading the mobile phone software. According to the method and the system for wirelessly upgrading the mobile phone software, the security of a mobile phone can be guaranteed during wireless upgrading.
Description
Technical field
The present invention relates to the software upgrading field, relate in particular to a kind of method and system of radio upgrade cell phone software.
Background technology
Because development of electronic technology is very fast, the technical innovation cycle is quite short, causes the update of software, need upgrade to software.
Along with the software function of mobile phone becomes increasingly complex, based on the defects count and the proportional principle of software function of software, this type systematic needs the probability of update software will be increasing when solving software defect or adding new function.In order to improve service quality and producer's prestige, also will be an important task for the reparation of the software defect on the mobile phone of having sold.
The upgrading mode that equipment control/radio firmware upgrades (DM/ FOTA:Device Management/ Firmware Over-The-Air) technology is a kind of brand-new radio upgrade software mode that cell phone software is upgraded to redaction by legacy version.Its principle is according to special algorithm the difference between the software new and old edition to be made a software package, and mobile phone downloads to software package in the mobile phone from server, is accomplished the upgrading of software version by mobile phone.This upgrading mode is easy to operate, make the user in the shortest time, enjoy upgrade software after latest services, use the experience bring to the user, also help cell phone manufacturer and release mobile phone to market more apace with new function.
But when upgrading upgrading, radio firmware can revise bootstrap loader and kernel; And the relevant proof test value in the modify trusted mirror image module; The trusted mirror image module of just will upgrading; When in upgrading trusted mirror image module process if the unscheduled event that mobile phone sudden power etc. causes the mobile phone upgrading to be interrupted occurs, mobile phone can't be re-used, do not have safety guarantee.
Summary of the invention
The technical matters that the present invention will solve provides a kind of method and system of safe radio upgrade cell phone software, even make the unscheduled event that interruption mobile phone upgrading such as sudden power takes place under the radio upgrade situation mobile phone also can not cause mobile phone the mistake that can not repair to occur.
For solving the problems of the technologies described above, the present invention provides following technical scheme:
The method of a kind of radio upgrade cell phone software that the present invention relates to may further comprise the steps:
S1, from the downloaded software upgrade package, be provided with get into the recovery pattern restart reason and upgrading sign;
The proof test value of original device boots load-on module in S2, startup firmware boot program loads and the verification trusted mirror image module, and load operating original device guide load module;
S3, startup original device guide load module load the proof test value that bootstrap loader in the trusted mirror image module is backed up in also verification;
Whether the proof test value of S4, verification bootstrap loader is successful;
Not, burn recording software information again then;
Be, then load and move bootstrap loader, get into step S5;
Whether S5, the inspection of startup bootstrap loader have the upgrading sign;
Not, then load the kernel of normal mode, and normal the startup;
Be, then load the also kernel of restoring running pattern, carry backup trusted mirror image module gets into step S6;
S6, start the wireless firmware update upgrading tool escalation process that brings into operation, and upgrade backup trusted mirror image module;
S7, removing upgrading sign.
The present invention also provides a kind of system of radio upgrade cell phone software, comprising:
Download apparatus from the downloaded software upgrade package, is provided with the reason of restarting that gets into the recovery pattern and indicates with upgrading;
First calibration equipment, the proof test value of original device boots load-on module in startup firmware boot program loads and the verification trusted mirror image module, and load operating original device guide load module;
Second calibration equipment starts the original device guide load module and loads the proof test value that bootstrap loader in the trusted mirror image module is backed up in also verification;
The 3rd calibration equipment, whether the proof test value of verification bootstrap loader is successful;
Not, burn recording software information again then;
Be then to load and move bootstrap loader;
Testing fixture, whether start the bootstrap loader inspection has the upgrading sign;
Not, then load the kernel of normal mode, and normal the startup;
Be, then load the also kernel of restoring running pattern, carry backup trusted mirror image module;
Update device starts the wireless firmware update upgrading tool escalation process that brings into operation, and upgrades backup trusted mirror image module;
Scavenge unit is removed the upgrading sign.
Compared with prior art the present invention has following beneficial effect: the method and system of a kind of radio upgrade cell phone software provided by the invention; Through introducing backup trusted mirror image module; Upgrade in the escalation process at the radio firmware of cell phone software, upgrading be backup trusted mirror image module, if mistake when upgrading backup trusted mirror image module, occurs; What destroy is backup trusted mirror image module, and trusted mirror image module is protected.Can recover through burn recording software information after backup trusted mirror image module is damaged, thereby ensure that mobile phone upgrades the safety in the escalation process at radio firmware.
Description of drawings
Fig. 1 is the method flow diagram of prior art radio upgrade cell phone software.
Fig. 2 is the method flow diagram of the radio upgrade cell phone software that provides of the embodiment of the invention.
Fig. 3 is the system architecture diagram of the radio upgrade cell phone software that provides of the embodiment of the invention.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the method flow diagram of prior art radio upgrade cell phone software, and this radio upgrade method may further comprise the steps:
1,, the reason of restarting that gets into the recovery pattern is set indicates with upgrading from the downloaded software upgrade package.Said software upgrade package is the difference bag that the system image file than the system image file of more recent version and cell phone system current version obtains.The said reason of restarting that gets into the recovery pattern that is provided with is meant specifically that with the upgrading sign reason of restarting with an entering recovery pattern writes register with the upgrading sign.The pattern that said recovery pattern gets into when being mobile phones software upgrading.
2, start the proof test value in the original device boots load-on module (OBM:OEM Boot-loader Module) in firmware boot (Bootrom) loading and the verification trusted mirror image module (TIM:Trusted Image Module); If verification succeeds then loads and moves the original device guide load module.Store the proof test value of original device guide load module in the trusted mirror image module in the mobile phone; Whether the proof test value of the proof test value of bootstrap loader (BLOB) and kernel (kernel), being used for verification relevant original device guide load module, bootstrap loader and three partial data of kernel has and is destroyed or the file of not encrypted signature.The original device guide load module is given tacit consent to after dispatching from the factory and is fixedly not allow modification, so in the step in the verification trusted mirror image module proof test value of original device boots load-on module under the situation about destroying that begins most not upgraded, generally can pass through.In case but the proof test value of verification original device guide load module can not be through just starting the original device guide load module; Because the burn recording software information of mobile phone just is stored in the original device guide load module; Mobile phone just can not recover to use through burning cell phone software information again like this, causes mobile phone can't use fully.
3, start the proof test value of bootstrap loader in loading of original device guide load module and the verification trusted mirror image module.
4, whether the proof test value of verification bootstrap loader is successful.Verification is unsuccessful, because the original device guide load module starts, we can recover mobile phone through the mode of burn recording software information again and use, if verification succeeds then loads and move bootstrap loader.
5, start the bootstrap loader inspection whether the upgrading sign is arranged.
If restart reason is not the upgrading sign that is provided with, and then loads the kernel of normal mode, and normal the startup.Said normal mode is the normal pattern that starts of mobile phone.
If restart reason is the upgrading sign that defines, and mobile phone gets into a special upgrade mode, just recovers pattern, loads and gives kernel control.Load the also kernel of restoring running pattern, carry trusted mirror image module.
6, start the wireless firmware update upgrading tool escalation process that brings into operation, and upgrade trusted mirror image module.Change bootstrap loader and kernel in the wireless firmware update upgrading tool brings into operation escalation process; Correspondingly; Upgrade the proof test value of the bootstrap loader that stores in the trusted mirror image module and the proof test value of kernel; Do not have electricity etc. to interrupt the fortuitous event of upgrading in the process of upgrade trusted mirror image module if mobile phone occurs; Mistake will appear in the proof test value in the trusted mirror image module; And comprise the proof test value of original device guide load module, the proof test value of bootstrap loader and the proof test value of kernel in the trusted mirror image module, though the just proof test value of bootstrap loader that upgrades and the proof test value of kernel, need only bootstrap loader proof test value and kernel proof test value any one mistake occurs and all can cause whole trusted mirror image module not open; Thereby carry out in the escalation process in the above-mentioned steps 2 in next time: this step of proof test value of original device boots load-on module can not be passed through in the verification trusted mirror image module; So just can't load operating original device guide load module, because the burn recording software information of mobile phone just is stored in the original device guide load module, therefore can not recover to use through burning cell phone software information again.
7, start the wireless firmware update upgrading tool and remove the upgrading sign.
8, restart mobile phone after the upgrading sign is removed.
We can know from the method for above-mentioned existing radio upgrade cell phone software; The unscheduled event that the method for existing radio upgrade cell phone software is upgraded as if interruptions such as the mobile phone sudden power in upgrading trusted mirror image module process, occur will cause mobile phone to re-use, and does not have safety guarantee.
For overcoming above-mentioned technical matters, the embodiment of the invention provides a kind of method of safe radio upgrade cell phone software.As shown in Figure 2, be the method flow diagram of the radio upgrade cell phone software that provides of the embodiment of the invention, this radio upgrade method may further comprise the steps:
S1, from the downloaded software upgrade package, be provided with get into the recovery pattern restart reason and upgrading sign.Said software upgrade package is the difference bag that the system image file than the system image file of more recent version and cell phone system current version obtains.The said reason of restarting that gets into the recovery pattern that is provided with is meant specifically that with the upgrading sign reason of restarting with an entering recovery pattern writes register with the upgrading sign.The pattern that said recovery pattern gets into when being mobile phones software upgrading.
The proof test value of original device boots load-on module in S2, startup firmware boot program loads and the verification trusted mirror image module, and load operating original device guide load module.Whether store original device guide load module proof test value in the trusted mirror image module in the present embodiment, being used for the data of verification original device guide load module has and is destroyed or the file of not encrypted signature.The original device guide load module is given tacit consent to after dispatching from the factory and is fixedly not allow modification, so in the step in the verification trusted mirror image module proof test value of original device boots load-on module generally can pass through.If verification succeeds then loads and moves the original device guide load module.
S3, startup original device guide load module load the also proof test value of the middle bootstrap loader of verification backup trusted mirror image module (DTIM:Double Trusted Image Module).Whether store the proof test value of bootstrap loader and the proof test value of kernel in the backup trusted mirror image module in the present embodiment, being used for two partial datas of verification bootstrap loader and kernel has and is destroyed or the file of not encrypted signature.
Whether the proof test value of S4, verification bootstrap loader is successful.Verification is unsuccessful, because the original device guide load module starts, we can recover mobile phone through the mode of burn recording software information again and use, if verification succeeds then loads and move bootstrap loader.
Whether S5, the inspection of startup bootstrap loader have the upgrading sign.If restart reason is not the upgrading sign of definition, then loads the kernel of normal mode, and normal the startup.Said normal mode is the normal pattern that starts of mobile phone.If restart reason is the upgrading sign that defines, and mobile phone gets into a special upgrade mode, just recovers pattern, loads the also kernel of restoring running pattern, carry backup trusted mirror image module.
S6, start the wireless firmware update upgrading tool escalation process that brings into operation, and upgrade backup trusted mirror image module.Change bootstrap loader and kernel in the wireless firmware update upgrading tool brings into operation escalation process; Correspondingly; Upgrade the proof test value of the bootstrap loader that stores in the backup trusted mirror image module and the proof test value of kernel; Do not have electricity etc. to interrupt the fortuitous event of upgrading in the process of upgrade trusted mirror image module if mobile phone occurs, have only the proof test value of backup trusted mirror image module mistake to occur, thereby destroy backup trusted mirror image module; But, therefore can recover to use through burning cell phone software information again because trusted mirror image module is not modified and destroys.And include only the proof test value of original device guide load module in the trusted mirror image module; In the process that software is upgraded, be not modified; So carry out in the escalation process among the above-mentioned steps S2 in next time: this step of proof test value of original device boots load-on module can be passed through in the verification trusted mirror image module always; Because the burn recording software information of mobile phone just is stored in the original device guide load module, even if the use that the fortuitous event that upgrading therefore in escalation process, occurs interrupting also can recover mobile phone through burning cell phone software information again.
S7, startup wireless firmware update upgrading tool are removed the upgrading sign.
S8, upgrading sign restart mobile phone after removing.
Fig. 3 is the system architecture diagram of the radio upgrade cell phone software that provides of the embodiment of the invention.A kind of radio upgrade cell phone system that the embodiment of the invention provides comprises: download apparatus 100, download apparatus 100, second calibration equipment 300, the 3rd calibration equipment 400, testing fixture 500, update device 600, scavenge unit 700 and rebooting device 800.
Compared with prior art embodiments of the invention have following beneficial effect: the method and system of a kind of radio upgrade cell phone software that embodiments of the invention provide; With the proof test value of original device guide load module be stored in trusted mirror image module; The proof test value of bootstrap loader and the proof test value of kernel are stored in backup trusted mirror image module; In the escalation process of cell phone software, upgrading be backup trusted mirror image module, if mistake when upgrading backup trusted mirror image module, occurs; What destroy is backup trusted mirror image module, and trusted mirror image module is protected.Can recover through burn recording software information after backup trusted mirror image module is damaged, thereby ensure that mobile phone upgrades the safety in the escalation process at radio firmware.This all has great benefit concerning mobile phone manufacturer and terminal user.Concerning the manufacturer, can mobile phone be scrapped because of a failed download, can greatly increase economic efficiency.Concerning the user, can enjoy more up-to-date business and quality services.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the method for a radio upgrade cell phone software is characterized in that, may further comprise the steps:
S1, from the downloaded software upgrade package, be provided with get into the recovery pattern restart reason and upgrading sign;
The proof test value of original device boots load-on module in S2, startup firmware boot program loads and the verification trusted mirror image module, and load operating original device guide load module;
S3, startup original device guide load module load the proof test value that bootstrap loader in the trusted mirror image module is backed up in also verification;
Whether the proof test value of S4, verification bootstrap loader is successful;
Not, burn recording software information again then;
Be, then load and move bootstrap loader, get into step S5;
Whether S5, the inspection of startup bootstrap loader have the upgrading sign;
Not, then load the kernel of normal mode, and normal the startup;
Be, then load the also kernel of restoring running pattern, carry backup trusted mirror image module gets into step S6;
S6, start the wireless firmware update upgrading tool escalation process that brings into operation, and upgrade backup trusted mirror image module;
S7, removing upgrading sign.
2. the method for a kind of radio upgrade cell phone software according to claim 1; It is characterized in that; Said trusted mirror image module stores has the proof test value of original device guide load module, stores the proof test value of bootstrap loader and the proof test value of kernel in the said backup trusted mirror image module.
3. the method for a kind of radio upgrade cell phone software according to claim 1 is characterized in that, said software upgrade package is the difference bag that the system image file than the system image file of more recent version and cell phone system current version obtains.
4. the method for a kind of radio upgrade cell phone software according to claim 1 is characterized in that, said step S7 is further comprising the steps of:
S8, restart mobile phone.
5. the method for a kind of radio upgrade cell phone software according to claim 1 is characterized in that, said original device guide load module stores burn recording software information.
6. the system of a radio upgrade cell phone software is characterized in that, comprising:
Download apparatus from the downloaded software upgrade package, is provided with the reason of restarting that gets into the recovery pattern and indicates with upgrading;
First calibration equipment, the proof test value of original device boots load-on module in startup firmware boot program loads and the verification trusted mirror image module, and load operating original device guide load module;
Second calibration equipment starts the original device guide load module and loads the proof test value that bootstrap loader in the trusted mirror image module is backed up in also verification;
The 3rd calibration equipment, whether the proof test value of verification bootstrap loader is successful;
Not, burn recording software information again then;
Be then to load and move bootstrap loader;
Testing fixture, whether start the bootstrap loader inspection has the upgrading sign;
Not, then load the kernel of normal mode, and normal the startup;
Be, then load the also kernel of restoring running pattern, carry backup trusted mirror image module;
Update device starts the wireless firmware update upgrading tool escalation process that brings into operation, and upgrades backup trusted mirror image module;
Scavenge unit is removed the upgrading sign.
7. the system of a kind of radio upgrade cell phone software according to claim 6 is characterized in that, also comprises rebooting device, is used for removing restarting mobile phone after upgrading indicates.
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