CN102055843A - Method for verifying terminal and stored data - Google Patents
Method for verifying terminal and stored data Download PDFInfo
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- CN102055843A CN102055843A CN201010521504XA CN201010521504A CN102055843A CN 102055843 A CN102055843 A CN 102055843A CN 201010521504X A CN201010521504X A CN 201010521504XA CN 201010521504 A CN201010521504 A CN 201010521504A CN 102055843 A CN102055843 A CN 102055843A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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Abstract
The invention discloses a method for verifying terminal and stored data, which comprises the following steps: the memory space of the terminal to be verified is divided into one or more discrete cells to respectively calculate the sum of all byte data therein, the stored data of the corresponding discrete cell is judged to be accurate or not according to the consistency of the comparison result between the obtained value and the accurate one. In the invention, the strategy for defining the memory space and the method for verifying the stored data are adopted, so that the completeness and the accuracy of the stored data are guaranteed, the abnormal condition of the entire terminal system caused by incomplete stored data during the operation or in a standby is avoided, and the problems such as memory leak and out-of-bound access are solved, thereby guaranteeing the normal and reliable operation of the terminal.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to the method for a kind of terminal and internal storage data verification.
Background technology
Along with domestic 3G network construction progressively launches, three big mobile communications operators have formally stepped into the 3G epoch.Yet because at the first stage of construction of current 3G network and in ensuing one period period of expansion, the covering level of 3G network is compared and has been passed through that the more than ten years continue to optimize and perfect 2G network, be that the degree of depth that still covers of the range (the 2G network almost covers the whole natural village of China) that covers (as indoor, basement and subway etc.) all exists big gap, thus each big operator also all simultaneously with 2G and the 3G pair of net long-term co-existence operation target and strategy as oneself.China Mobile has proposed the three not principle and the whole-colored TD(TD SDMA of " do not change card, the not number of changing, do not need registration " especially)/GSM (global system for mobile communications) double-mode single-standby customization mobile phone terminal promotes and runs the TD 3G network of oneself.
The strategy of this but " 2,3G network coexistence ", " customization of TD/GSM double-mode single-standby terminal " has but run into a difficult problem in the reality operation.On the one hand, " 2,3G bimodulus switch " strategy causes the mobile phone terminal gravity treatment frequent because existing, and power consumption is serious, the conversation call drop, and the online cutout, even abnormal failure such as off-grid happens occasionally, user experience is relatively poor; Again because existing 3G network covering quality also can not show a candle to the GSM network, cause the user lack confidence on the other hand to the TD network.The problem of network has caused the quagmire of terminal, and the problem of network has been amplified in the quagmire of terminal conversely.
Summary of the invention
In order to reduce terminal cost and power consumption, can adopt PS(grouping), the CS(circuit) the Terminal Design scheme of shared drive of service distributing; But the terminal that adopts the shared drive mode may cause the whole terminal system exception because internal storage data is imperfect when operation or during standby.
The technical problem to be solved in the present invention is exactly the method that proposes a kind of terminal and internal storage data verification, with avoid terminal when the operation or during standby because the imperfect situation that may cause the whole terminal system exception of internal storage data.
In order to address the above problem, the invention provides the method for a kind of terminal internal storage data verification, comprising:
The memory headroom that terminal is to be verified is divided into one or more discrete cells, calculates all byte data sums in each discrete cell respectively, with resultant value and correct value comparison, if it is consistent, the internal storage data of then judging corresponding discrete cell is correct, otherwise, judge the internal storage data mistake.
Preferably, said method also has following characteristics:
In running order down when described terminal, when the internal storage data that writes is carried out verification, expection is write in each discrete cell all byte data sums as correct value; After the write memory data, calculate all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
Preferably, said method also has following characteristics:
When the internal storage data before and after the sleep of described terminal is carried out verification, be under the state that is about to sleep in terminal, with current all byte data sums in each discrete cell as correct value; When described terminal is in the state that has just waken up, calculate current all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
Preferably, said method also has following characteristics:
Described terminal is the dual-network and dual-standby terminal, comprises application module, 3G wireless communication module and 2G wireless communication module, and described 3G wireless communication module and 2G wireless communication module and described application module are shared the DDR of described application module carry.
Preferably, said method also has following characteristics:
The DDR of described application module carry comprises three zones, is respectively: the internal memory that internal memory, application module and the 2G wireless communication module that application module and 3G wireless communication module are shared shared, and the internal memory that takies alone of application module.
Preferably, said method also has following characteristics:
Described application module comprises memory headroom and defines submodule, and described method also comprises:
When the memory headroom of module application DDR, memory headroom defines the submodule judgement and applies for but whether the memory headroom that object is applied for belongs to described application object region occupied, if, then described memory headroom defines submodule and allows the storage allocation space, otherwise, described memory headroom defines submodule and does not allow the storage allocation space, and the prompting internal memory operation is illegal.
In order to address the above problem, the invention provides a kind of terminal, comprise continuous application module and DDR;
Described application module is used for the memory headroom that DDR is to be verified and is divided into one or more discrete cells, calculate all byte data sums in each discrete cell respectively, with resultant value and correct value comparison, if it is consistent, the internal storage data of then judging corresponding discrete cell is correct, otherwise, judge the internal storage data mistake;
Described DDR is used for the stored memory data.
Preferably, above-mentioned terminal also has following characteristics:
Described application module is further used for when described terminal in running order down, when the internal storage data that writes is carried out verification, expection is write in each discrete cell all byte data sums as correct value; After the write memory data, calculate all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
Preferably, above-mentioned terminal also has following characteristics:
Described application module is further used for being under the state that is about to sleep in terminal when the internal storage data before and after the sleep of described terminal is carried out verification, with current all byte data sums in each discrete cell as correct value; When described terminal is in the state that has just waken up, calculate current all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
Preferably, above-mentioned terminal also has following characteristics:
Described terminal also comprises 3G wireless communication module and 2G wireless communication module, and described application module links to each other with DDR with 3G wireless communication module, 2G wireless communication module respectively; Described 3G wireless communication module and 2G wireless communication module and described application module are shared described DDR.
Preferably, above-mentioned terminal also has following characteristics:
The DDR of described application module carry comprises three zones, is respectively: the internal memory that internal memory, application module and the 2G wireless communication module that application module and 3G wireless communication module are shared shared, and the internal memory that takies alone of application module.
Preferably, above-mentioned terminal also has following characteristics:
Described application module comprises memory headroom and defines submodule,
Described memory headroom defines submodule and is used for, when the memory headroom of module application DDR, judge but whether the memory headroom that the application object is applied for belongs to described application object region occupied, if, then allow the storage allocation space, otherwise, do not allow the storage allocation space, and the prompting internal memory operation is illegal.
The present invention defines strategy and internal storage data method of calibration by memory headroom, to guarantee the integrality and the correctness of internal storage data, avoid terminal when when operation or standby because the imperfect situation that may cause the whole terminal system exception of internal storage data, and avoid problems such as the internal memory leakage and the visit of crossing the border, thereby guarantee terminal normally operation reliably.
Description of drawings
Fig. 1 is the schematic diagram of the shared drive mode of the embodiment of the invention.
Fig. 2 is the schematic diagram that the present invention uses the internal storage data summing mode of example.
Embodiment
Basic thought of the present invention is, adopts based on the mode of internal storage data summation the internal storage data of terminal is carried out verification.
Particularly, the memory headroom that terminal is to be verified is divided into one or more discrete cells, calculate all byte data sums in each discrete cell respectively, with resultant value and correct value comparison, if it is consistent, the internal storage data of then judging corresponding discrete cell is correct, otherwise, judge the internal storage data mistake.
When division unit, each discrete cell equal and opposite in direction of being divided is set usually, such as 1Mbyte.
In running order down when described terminal, when the internal storage data that writes is carried out verification, expection is write in each discrete cell all byte data sums as correct value; After the write memory data, calculate all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
When the internal storage data before and after the sleep of described terminal is carried out verification, be under the state that is about to sleep in terminal, with current all byte data sums in each discrete cell as correct value; When described terminal is in the state that has just waken up, calculate current all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
Above-mentioned method of the internal storage data of terminal being carried out verification based on the mode of internal storage data summation, can realize by other calibration equipment beyond the terminal, also can realize by the application module of terminal inner, this application module is by the way to the DDR(Double Date Rate SDRAM of its carry, the Double Data Rate synchronous DRAM) carry out data check.
Though the present invention mainly is the solution that proposes at the problem that the dual-network and dual-standby terminal occurs,, the method for above-mentioned internal storage data verification of the present invention can not only be applicable to the dual-network and dual-standby terminal, is applicable to common terminal too.
Be described in further detail at the dual-network and dual-standby terminal below.
As shown in Figure 1, the dual-network and dual-standby terminal can comprise: application module, 3G wireless communication module and 2G wireless communication module, and application module carry DDR, 3G wireless communication module and 2G wireless communication module and described application module are shared the DDR of described application module carry.
In the present embodiment, the DDR of application module carry is divided into three zones, is respectively: the internal memory that internal memory, application module and the 2G wireless communication module that application module and 3G wireless communication module are shared shared, and the internal memory that takies alone of application module.
Described application module can comprise a memory headroom and define submodule, when the memory headroom of module application DDR, memory headroom defines the submodule judgement and applies for but whether the memory headroom that object is applied for belongs to described application object region occupied, if, then described memory headroom defines submodule and allows the storage allocation space, otherwise described memory headroom defines submodule and does not allow the storage allocation space, and the prompting internal memory operation is illegal.
Below with reference to Fig. 1 and Fig. 2, further describe the present invention with a concrete example of using.
In this example, the adoptable hardware plan of terminal is:
The AP(application) module adopts the TAVOR PXA935A platform of Marvell, 2G wireless communication module (can be GSM/EDGE(enhanced data rates for gsm evolution technology) wireless communication module) adopt the TTPCOM platform of ADI, 3G wireless communication module (can be that the TD/HSDPA(high speed downlink packet inserts) wireless communication module) adopt the A2000+H platform of LeadCore.Wherein the AP application module is responsible for realizing application interface, applied business, audio/video encoding/decoding, is carried out mutual etc. with wireless communication module; The CS of 2G wireless communication module carrying except that video telephone is professional as voice call or short message service etc.; 3G wireless communication module carrying PS data service, as the online surfing, and the visual telephone service in the CS business etc.Utilize the shared drive mode to realize between 2G wireless communication module and the AP application module and the data interaction between 3G wireless communication module and the AP application module.AP application module carry FLASH (flash memory)+DDR, and 2G wireless communication module and 3G wireless communication module only need carry FLASH; The DDR of AP application module carry mark off two parts independently memory headroom offer 2G wireless communication module and 3G wireless communication module respectively and use.
Adopt the shared drive mode can realize between AP application module and the 2G wireless communication module and the data interaction between AP application module and the 3G wireless communication module.Shared drive will be guaranteed the integrality and the correctness of internal storage data between AP application module and the wireless communication module, need carry out verification.Shared drive directly not between 2G wireless communication module and the 3G wireless communication module.
Traditional internal memory method of calibration is that the internal storage data that reads out a certain size after the memory headroom of particular range writes 0xAAAAAAAA earlier continuously compares verification with memory model data (being correct data) and verifies whether internal memory is is normally read and write; Perhaps writing earlier the internal storage data that reads out a certain size behind the 0x5555555 continuously compares verification with the memory model data and verifies whether normally read and write.But traditional internal memory method of calibration can't realize that terminal is about to the state of internal storage data before the sleep and when just having waken up the internal storage data of internal storage data state contrast verification; And in the time of also can't realizing terminal operating, the internal storage data integrality of run mode and correctness contrast verification in one section contiguous memory space.
Therefore, in this example, method of calibration to internal storage data integrality and correctness is: memory headroom is divided according to discrete cell (as 1Mbyte), all byte datas to each discrete cell to be verified are sued for peace, and its result leaves in the defined global variable array member variable successively.
Can carry out verification to the partial memory space down when terminal is in running order, as the data of certain memory headroom that writes are carried out integrality and correctness contrast verification with the internal storage data that expection writes.Its concrete internal memory method of calibration is: according to discrete cell (as 1Mbyte) memory headroom of want verification is divided, after the write memory data, all byte datas to each discrete cell (as 1Mbyte) are sued for peace, its result is kept at overall array ARRAY[M successively] ARRAY[0,, M-1] and in the member variable; And the byte data that expection writes is by summation, its result also is kept at overall array ARRAY[N successively] ARRAY[0,, N-1] and in the member variable, thus can differentiate in byte data that expection writes and the internal memory and deposited the byte data correctness by contrasting overall array.Perhaps also can be after operation a period of time to the internal storage data in the run mode particular range, whether the internal storage data in this particular range changes and differentiates, and concrete internal memory method of calibration is same as above.
Under terminal is in soon sleep state, can be about to enter dormant internal storage data and just the internal storage data of wake-up states carry out verification.Referring to Fig. 2, suppose that with the 1MB memory headroom be discrete cell, under terminal is in soon sleep state, all byte datas in the 1MB memory headroom are sued for peace, its result is kept at global variable array ARRAY[M] ARRAY[A] in the global variable, again all byte datas in the next 1MB memory headroom are sued for peace, its result are kept at global variable array ARRAY[M] ARRAY[B] in the global variable, by that analogy; In like manner, under terminal is in just wake-up states, all byte datas in the 1MB memory headroom are sued for peace, its result is kept at global variable array ARRAY[N] ARRAY[A*] in the global variable, again all byte datas in the next 1MB memory headroom are sued for peace, its result is kept at global variable array ARRAY[N] ARRAY[B*] in the global variable, by that analogy; Array with two groups of global variables is analyzed then, but the integrality of verification internal storage data and correctness.
Between three modules of AP application module, 2G wireless communication module and 3G wireless communication module, take place during the access memory space unusually, can increase memory headroom in the AP application module and define submodule.The DDR of application module carry is divided into three zones, be respectively: the internal memory DDR-CS that application module and 2G wireless communication module are shared, suppose that the memory headroom scope is the internal memory DDR-PS that 0xAC000000 ~ 0xAFFFFFFF, application module and 3G wireless communication module are shared, suppose that the memory headroom scope is 0xA0000000 ~ 0Xa7FFFFFF, and the internal memory DDR (AP) that takies alone of application module, suppose that the memory headroom scope is 0xA0000000 ~ 0Xa7FFFFFF.By defining sign, determine whether internal memory application space conforms to the application object properties (but judging promptly whether the memory headroom that the application object is applied for belongs to described application object region occupied).If meet, then can allow to apply for and allow to visit this specific memory headroom; If do not meet, then point out internal memory operation illegal.Particularly, when the application internal memory, memory headroom defines submodule and differentiates to apply for whether object application space meets with the application object properties earlier: if meet, then memory headroom defines submodule and can write down the application plant characteristic and the internal memory scope of application etc. again; If do not meet, then memory headroom defines submodule and does not allow the storage allocation space, and the prompting internal memory operation is illegal.As DDR-CS is expression AP application module and 2G wireless communication module shared memory space, and if 3G wireless communication module application DDR-CS memory headroom, then memory headroom defines submodule judgement application object application space and applies for that object properties do not meet, thereby does not allow to distribute memory headroom and the prompting internal memory operation applied for illegal.Therefore, can avoid problems such as the internal memory leakage and the visit of crossing the border to a certain extent.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize, correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the method for terminal internal storage data verification comprises:
The memory headroom that terminal is to be verified is divided into one or more discrete cells, calculates all byte data sums in each discrete cell respectively, with resultant value and correct value comparison, if it is consistent, the internal storage data of then judging corresponding discrete cell is correct, otherwise, judge the internal storage data mistake.
2. the method for claim 1 is characterized in that,
In running order down when described terminal, when the internal storage data that writes is carried out verification, expection is write in each discrete cell all byte data sums as correct value; After the write memory data, calculate all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
3. the method for claim 1 is characterized in that,
When the internal storage data before and after the sleep of described terminal is carried out verification, be under the state that is about to sleep in terminal, with current all byte data sums in each discrete cell as correct value; When described terminal is in the state that has just waken up, calculate current all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
4. as any described method in the claim 1～3, it is characterized in that,
Described terminal is the dual-network and dual-standby terminal, comprise application module, 3G wireless communication module and 2G wireless communication module, described 3G wireless communication module and 2G wireless communication module and described application module are shared the Double Data Rate synchronous DRAM (DDR) of described application module carry.
5. method as claimed in claim 4 is characterized in that,
The DDR of described application module carry comprises three zones, is respectively: the internal memory that internal memory, application module and the 2G wireless communication module that application module and 3G wireless communication module are shared shared, and the internal memory that takies alone of application module.
6. method as claimed in claim 5 is characterized in that,
Described application module comprises memory headroom and defines submodule, and described method also comprises:
When the memory headroom of module application DDR, memory headroom defines the submodule judgement and applies for but whether the memory headroom that object is applied for belongs to described application object region occupied, if, then described memory headroom defines submodule and allows the storage allocation space, otherwise, described memory headroom defines submodule and does not allow the storage allocation space, and the prompting internal memory operation is illegal.
7. a terminal is characterized in that, comprises continuous application module and DDR;
Described application module is used for the memory headroom that DDR is to be verified and is divided into one or more discrete cells, calculate all byte data sums in each discrete cell respectively, with resultant value and correct value comparison, if it is consistent, the internal storage data of then judging corresponding discrete cell is correct, otherwise, judge the internal storage data mistake;
Described DDR is used for the stored memory data.
8. terminal as claimed in claim 7 is characterized in that,
Described application module is further used for when described terminal in running order down, when the internal storage data that writes is carried out verification, expection is write in each discrete cell all byte data sums as correct value; After the write memory data, calculate all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
9. terminal as claimed in claim 7 is characterized in that,
Described application module is further used for being under the state that is about to sleep in terminal when the internal storage data before and after the sleep of described terminal is carried out verification, with current all byte data sums in each discrete cell as correct value; When described terminal is in the state that has just waken up, calculate current all byte data sums in each discrete cell more respectively, with resultant value and correct value comparison.
10. as any described terminal in the claim 7～9, it is characterized in that,
Described terminal also comprises 3G wireless communication module and 2G wireless communication module, and described application module links to each other with DDR with 3G wireless communication module, 2G wireless communication module respectively; Described 3G wireless communication module and 2G wireless communication module and described application module are shared described DDR.
11. the terminal as claim 10 is stated is characterized in that,
The DDR of described application module carry comprises three zones, is respectively: the internal memory that internal memory, application module and the 2G wireless communication module that application module and 3G wireless communication module are shared shared, and the internal memory that takies alone of application module.
12. terminal as claimed in claim 11 is characterized in that,
Described application module comprises memory headroom and defines submodule,
Described memory headroom defines submodule and is used for, when the memory headroom of module application DDR, judge but whether the memory headroom that the application object is applied for belongs to described application object region occupied, if, then allow the storage allocation space, otherwise, do not allow the storage allocation space, and the prompting internal memory operation is illegal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010521504XA CN102055843A (en) | 2010-10-27 | 2010-10-27 | Method for verifying terminal and stored data |
| PCT/CN2011/070917 WO2012055188A1 (en) | 2010-10-27 | 2011-02-10 | Terminal and method for checking data in internal memory of terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010521504XA CN102055843A (en) | 2010-10-27 | 2010-10-27 | Method for verifying terminal and stored data |
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| WO (1) | WO2012055188A1 (en) |
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| CN102438230A (en) * | 2011-08-18 | 2012-05-02 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and data service processing method |
| CN103678090A (en) * | 2013-12-11 | 2014-03-26 | 北京国双科技有限公司 | Method and device for monitoring data processing |
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| CN108388490A (en) * | 2018-02-28 | 2018-08-10 | 郑州云海信息技术有限公司 | A kind of method and system of test high-end server memory |
| CN114255533A (en) * | 2022-01-28 | 2022-03-29 | 无锡融卡科技有限公司 | Intelligent lock system and implementation method thereof |
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| CN114255533A (en) * | 2022-01-28 | 2022-03-29 | 无锡融卡科技有限公司 | Intelligent lock system and implementation method thereof |
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| WO2012055188A1 (en) | 2012-05-03 |
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Application publication date: 20110511 |