CN104375871A - Method and device for accelerating system startup on basis of eMMC - Google Patents
Method and device for accelerating system startup on basis of eMMC Download PDFInfo
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Abstract
The invention discloses a method and device for accelerating system startup on basis of an eMMC. The method includes the following steps that when a system is started up, a plurality of prestored startup small data initial addresses and read lengths are read; the startup small data initial addresses and the read lengths combined according to an eMMC combination command protocol are sent to the eMMC; data returned by the eMMC are received; the received data are loaded, and the system is started up. The prestored startup small data initial addresses and the read lengths are read, then the eMMC sends the startup data to an electronic device at a time, the electronic device loads the data rapidly and is started up, and therefore the data loading speed is increased effectively in the system startup process, the purpose of accelerating system startup is achieved, and user experience is improved.
Description
Technical field
The present invention relates to electronic equipment accelerating system start field, particularly relate to a kind of method and apparatus based on the start of eMMC accelerating system.
Background technology
EMMC (Embedded Multi Media Card) ordered by MMC association, mainly for the embedded memory standard specification of the product such as mobile phone or panel computer.A clear superiority of eMMC is integrated with a controller in a package, and it provides standard interface and manages flash memory, makes cell phone manufacturer just can be absorbed in the other parts of product development, and shorten the time releasing product to market.
Current eMMC widely applies on an electronic device, and particularly on the mobile terminal device, for using as main storage device, a lot of operating system is all mounted on eMMC.And operating system needs the resources such as load libraries file and configuration file in start process, will read out, then copy in RAM from eMMC.Known for these data analysis, this kind of start resource requirement file that operating system reads is all belong to small documents operation, reads loading velocity slow, thus causes the slow-footed problem of starting up.
Summary of the invention
For this reason, need to provide a kind of scheme based on the start of eMMC accelerating system, solve when existing eMMC has operating system, in the slow-footed problem of starting operating system, reach the object accelerating start.
For achieving the above object, inventor provide a kind of method based on the start of eMMC accelerating system, comprise the steps:
When system boot, read the multiple start small data start address and reading length that prestore;
Send according to the multiple start small data start address after eMMC compound command combination of protocols and read length to eMMC;
Receive the data that eMMC returns;
The data that loading receives also are started shooting.
Further, when system boot, also determining step is comprised:
Judge whether to have the start small data start address that prestores and read length, having, carry out reading the multiple start small data start address prestored and the step reading length, otherwise obtain and store start address and the reading length of the small data that start is read.
Further, described " obtain and store the start address of the small data that start is read and read length " specifically comprises: at the end of from system boot to start, obtain and store the start address of the small data that start is read and read length.
Further, described " obtain and store the start address of the small data that start is read and read length " specifically comprises: obtain and store the start address of the small data that start is read and read length to eMMC ad-hoc location.
Further, the small data that described start is read comprises the data volume that start reads and is less than the small data of preset value.
And inventor also provides a kind of device based on the start of eMMC accelerating system, comprises as lower module:
Pre-stored data read module: for when system boot, reads multiple start small data start address of prestoring and reads length;
Pre-stored data sending module: for sending the multiple start small data start address after according to eMMC compound command combination of protocols and reading length to eMMC;
Start data reception module: for receiving the data that eMMC returns;
Start Data import module: for loading the data that receive and starting shooting.
Further, data acquisition memory module and pre-stored data judge module is also comprised:
Described data acquisition memory module is for obtaining and storing the start address of the small data that start is read and read length;
Described pre-stored data judge module, for judging whether to have the start small data start address that prestores and reading length, have then enable pre-stored data read module, otherwise enable data obtains memory module.
Further, described data acquisition memory module specifically comprise for from system boot to start at the end of, obtains and stores start read small data start address and reading length.
Further, described data acquisition memory module specifically comprises for obtaining and storing the start address of the small data that start is read and read length to eMMC ad-hoc location.
Further, the small data that described start is read comprises the data volume that start reads and is less than the small data of preset value.
Be different from prior art, technique scheme is by reading the multiple start small data start address and reading length that prestore; Then eMMC can data are disposable sends to electronic equipment by starting shooting, electronic equipment can load these data fast and start shooting, thus effectively improve the loading velocity of data in system boot process, reach the object of accelerating system start, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the inventive method one embodiment;
Fig. 2 is the data flow schematic diagram of the inventive method device for carrying out said;
Fig. 3 is the structural representation of apparatus of the present invention.
Description of reference numerals:
20、CPU；
21, internal memory;
22、eMMC；
30, pre-stored data read module;
31, pre-stored data sending module;
32, start data reception module;
33, start Data import module;
34, data acquisition memory module;
35, pre-stored data judge module.
Embodiment
By describe in detail technical scheme technology contents, structural attitude, realized object and effect, coordinate accompanying drawing to be explained in detail below in conjunction with specific embodiment.
Refer to Fig. 1, the present embodiment provides a kind of method based on the start of eMMC accelerating system, this method can be applied to be had on the electronic equipment of eMMC22 as shown in Figure 2, eMMC22 also stores the file that operating system is relevant, electronic equipment can include processing module (as CPU20) and internal memory 21, CPU20 and may be used for file that read operation system is correlated with in internal memory 21 and start shooting after loading these files relevant to operating system.
When this method is run, namely when system boot, first enter step S101 and read the multiple start small data start address and reading length that prestore.In the memory module that is namely stored in advance in and can be read of prestoring, as the memory location 221 (i.e. small data statistical model 221) on eMMC22 can be pre-stored in.Because the file relevant to operating system has a lot of, then the file for small data in file also has multiple, and electronic equipment needs to load these small data file when load operation system boot, and namely these small data file start shooting small data.Each start small data has the start address of its correspondence and reads length, start address (or LBA address, Logical Block Address address) is namely started shooting the initial memory address of small data memory location, read length small data of namely starting shooting and take the size of memory location, relevant with the size of data of start small data.The storage mode of start small data start address and reading length can be as shown in Figure 2, store the filename of multiple start small data, start address and reading length respectively, in certain embodiments, store after these start small datas can being combined into a command string according to eMMC compound command agreement.
Then this method enter step S102 send according to the multiple start small data start address after eMMC compound command combination of protocols and read length to eMMC.When the storage mode of start shooting small data start address and reading length is the mode shown in Fig. 2, then needs before sending, according to eMMC compound command agreement, these multiple start small data start addresses are become a command string with reading length combination.Start shooting small data start address and the storage mode that reads length be according to eMMC compound command combination of protocols after command string time, then directly can send to eMMC22.Compound command agreement is just supported from eMMC 4.51 release protocol, can become a reading order by needing to send the order of repeatedly reading data.Such as need reading two data, be stored in address A and address B respectively, the length of reading is LA and LB respectively.According to existing way, need to send order 1 and read the data that A address, address starts, reading length is LA; Then also will send order 2 and read the data that address B starts, reading length is LB.Namely need to send repeatedly reading command.Above-mentioned two command group can be synthesized an order according to compound command agreement: order packet header-reading address A-length LA-reads address B-length LB-bag tail.Namely in a command string, include address and the length of the data that multiple needs read, then this compound command string can be issued eMMC22, then eMMC22 can return the data that will read.
After eMMC22 return data, this method enters the data that step S103 reception eMMC returns; Then enter step S104 load the data that receive and start shooting.It is the command string after combining owing to sending to the order of eMMC22, this command string only has an order packet header and order bag tail, thus decrease the packet header of multiple orders and the expense of bag tail of existing multiple small data when starting shooting reading small data, the time of reading multiple small data order is sent when can save start, be simultaneously needed for start process due to these start small datas and can not change, so can these small datas are pre-stored in memory module in this method, then be sent to eMMC and data are read and loaded start shooting.Those skilled in the art can need the fixing small data of use according to obtaining these starts to the analysis of operating system, certain those skilled in the art also can according to actual conditions only to the start address of part small data with read length and prestore, and can reach to reduce start and read the time of data and reach the object of accelerating system start.
Fig. 2 is a specific embodiment of said method, small data statistical model 221 in eMMC22 stores the start address of multiple start small data and reads length, CPU20, when starting shooting, first enters in step S1 from eMMC22, read each start small data file start address and reading length.Then according to the start address read and reading length, be combined into the command string of reading, and send the reading order string of combination to eMMC22 in step S2.After eMMC22 receives command string, the subregion 222 that small data is corresponding in step S3 disposable reading order string, then return start small data to internal memory 21, then CPU20 can load the data in internal memory 21 and start shooting.By sending the command string after according to combination protocol combination, can reduce and read the packet header of multiple small data order and the number of bag tail, decrease the time that order sends, reduce the time of reading, accelerate the speed of digital independent, reach the object accelerating start.
The start small data start address prestored in above-mentioned and reading length can be that manufacturer prestores in a storage module according to the type of current operation system and actual conditions, in certain embodiments, also can be obtained by electronic equipment oneself and be stored in memory module.Then further, when system boot, also comprise determining step: judge whether to have the start small data start address that prestores and read length, have, carry out step S101 and namely read the multiple start small data start address prestored and the step reading length, then carry out step S102 to S104, otherwise obtain and store the start address of the small data that start is read and read length.The data that electronic equipment can be read by operating system during monitoring start, and record the start address of wherein small data and read length in memory module, these records of memory module can be read during so next system boot, and acceleration start can be carried out.This Sample Method can after operating system change (as reinstalling operating system), when first time starts shooting, namely can open acquisition again and the storage of performance data to the operating system after change, and namely the starting up speed of back operation system can get a promotion.In order to prevent also going the start address of the start small data reading old operating system and read length after operating system change, can obtain and store the start address of the small data that start is read and read length to eMMC ad-hoc location, as subregion same as operating system, such operating system is when changing, start address and the reading length of the start small data of the old operating system prestored also can be eliminated, thus the operating system after change again can obtain and stores the start address of start small data and read length.Reach and the self-adaptation start of different operating system is accelerated.
Particularly, as shown in Figure 2, first time start after operating system change (i.e. first time start after system installation), do not get the start address of the start small data prestored and read length, then CPU20 can carry out each start small data file that step S4 single removes reading system, and eMMC22 also can successively read small data in step s 5 and be sent in internal memory 21.Now electronic equipment can carry out step S6 successively record start read small data start address and read length in memory module so that next time start use.The present embodiment can after operating system change, and automatic acquisition also records the start address of corresponding small data and reads length, and the start facilitating the operating system after operating system change is accelerated.
In order to avoid start small data packets contains other data (as application data), further, described " obtain and store the start address of the small data that start is read and read length " specifically comprises: at the end of from system boot to start, obtain and store the start address of the small data that start is read and read length.Namely within this period of time of start, obtain the small data that start is read, the time point of system boot can be the moment that system has just powered on, start terminates (system boot terminates) moment and can occur as mark with a certain particular event, as for Android operation system, can load with Android operation system desktop terminates as mark, and back operation system will start the files such as loading application programs, then for Android system, obtain start small data time period be system electrification start shooting system desktop load terminate this time period.Certainly, for other operating system, according to the flow process that relevant operating system loads data, those skilled in the art can know when operating system starts shooting end.
The start address of the small data that above-mentioned storage start is read and reading length can be stored in optional position, in certain embodiments, in order to solve particular technology problem, eMMC ad-hoc location can be stored into, as being stored in one section of storage area of eMMC foremost, namely system electrification start can get the data of this storage area immediately, so that accelerate start; Or a certain particular zones of eMMC, this subregion can be put on a partition with the program running this method, so that run the reading of the program of this method; Or can exist described above with operating system on same partition holding.
The small data read of starting shooting in above-mentioned all embodiments can be the small data that data volume is less than preset value, thinks small data as being less than 100KB or 500KB.For different operating system, this value can be different, those skilled in the art can add up the data of the file that different operating system system boot process reads, and then see more small data concentrates on below which preset value, then just can with this value for preset value.How much be wherein " more ", those skilled in the art are according to application this method and do not apply in the contrast of on time of this method, also can test out relatively reasonably " more " value.
And inventor also provides a kind of device 3 based on the start of eMMC accelerating system, as shown in Figure 3, comprises as lower module: pre-stored data read module 30: for when system boot, read multiple start small data start address of prestoring and read length; Pre-stored data sending module 31: for sending the multiple start small data start address after according to eMMC compound command combination of protocols and reading length to eMMC; Start data reception module 32: for receiving the data that eMMC returns; Start Data import module 33: for loading the data that receive and starting shooting.What this device was sent by pre-stored data sending module 31 is command string after compound command combination of protocols, the number sending order when small data reads can be greatly reduced, decrease the time that small data reads, add system boot and read the speed of data, thus reach the object that accelerating system (operating system) starts shooting.The small data that reads of wherein starting shooting comprises the data volume that start reads and is less than the small data of preset value.The data cases that this preset value those skilled in the art can read starting operating system process is carried out statistics and is obtained.
Further, device 3 also comprises data acquisition memory module 34 and pre-stored data judge module 35.Wherein:
Data acquisition memory module 34 is for obtaining and storing the start address of the small data that start is read and read length; Pre-stored data judge module 35, for judging whether to have the start small data start address that prestores and reading length, have then enable pre-stored data read module, otherwise enable data obtains memory module.The record of small data can be carried out to different operating system, so that the acceleration of starting operating system by data acquisition memory module 34.
Wherein, data acquisition memory module 34 specifically comprise for from system boot to start at the end of, obtains and stores start read small data start address and reading length.Here system boot terminates to be only that operating system self start terminates, and back operation system also will load corresponding application program and software etc.The start small data got can be made like this to be all small data in start process needed for operating system, and these data are constant, avoid and get the problem that the small data that can change may cause read error.
As above-mentioned, in order to solve specific technical matters, data acquisition memory module 34 specifically comprises for obtaining and storing the start address of the small data that start is read and read length to eMMC ad-hoc location.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal device.When not more restrictions, the key element limited by statement " comprising ... " or " comprising ... ", and be not precluded within process, method, article or the terminal device comprising described key element and also there is other key element.In addition, in this article, " be greater than ", " being less than ", " exceeding " etc. be interpreted as and do not comprise this number; " more than ", " below ", " within " etc. be interpreted as and comprise this number.
Those skilled in the art should understand, the various embodiments described above can be provided as method, device or computer program.These embodiments can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.The hardware that all or part of step in the method that the various embodiments described above relate to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, includes but not limited to: personal computer, server, multi-purpose computer, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, includes but not limited to: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
The various embodiments described above describe with reference to the process flow diagram of method, equipment (system) and computer program according to embodiment and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of computer equipment to produce a machine, making the instruction performed by the processor of computer equipment produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer equipment readable memory that works in a specific way of vectoring computer equipment, the instruction making to be stored in this computer equipment readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded on computer equipment, make to perform sequence of operations step on a computing device to produce computer implemented process, thus the instruction performed on a computing device is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although be described the various embodiments described above; but those skilled in the art are once obtain the basic creative concept of cicada; then can make other change and amendment to these embodiments; so the foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included within scope of patent protection of the present invention.
Claims (10)
1., based on a method for eMMC accelerating system start, it is characterized in that, comprise the steps:
When system boot, read the multiple start small data start address and reading length that prestore;
Send according to the multiple start small data start address after eMMC compound command combination of protocols and read length to eMMC;
Receive the data that eMMC returns;
The data that loading receives also are started shooting.
2. the method based on the start of eMMC accelerating system according to claim 1, is characterized in that: when system boot, also comprise determining step:
Judge whether to have the start small data start address that prestores and read length, having, carry out reading the multiple start small data start address prestored and the step reading length, otherwise obtain and store start address and the reading length of the small data that start is read.
3. the method based on the start of eMMC accelerating system according to claim 2, it is characterized in that: described " obtain and store the start address of the small data that start is read and read length " specifically comprises: at the end of from system boot to start, obtain and store the start address of the small data that start is read and read length.
4. the method based on the start of eMMC accelerating system according to claim 2, is characterized in that: described " obtain and store the start address of the small data that start is read and read length " specifically comprises: obtain and store the start address of the small data that start is read and read length to eMMC ad-hoc location.
5. the method based on the start of eMMC accelerating system according to claim 1 to 4 any one, is characterized in that: the small data that described start is read comprises the data volume that start reads and is less than the small data of preset value.
6., based on a device for eMMC accelerating system start, it is characterized in that, comprise as lower module:
Pre-stored data read module: for when system boot, reads multiple start small data start address of prestoring and reads length;
Pre-stored data sending module: for sending the multiple start small data start address after according to eMMC compound command combination of protocols and reading length to eMMC;
Start data reception module: for receiving the data that eMMC returns;
Start Data import module: for loading the data that receive and starting shooting.
7. the device based on the start of eMMC accelerating system according to claim 6, is characterized in that: also comprise data acquisition memory module and pre-stored data judge module:
Described data acquisition memory module is for obtaining and storing the start address of the small data that start is read and read length;
Described pre-stored data judge module, for judging whether to have the start small data start address that prestores and reading length, have then enable pre-stored data read module, otherwise enable data obtains memory module.
8. the device based on the start of eMMC accelerating system according to claim 7, it is characterized in that: described data acquisition memory module specifically comprise for from system boot to start at the end of, obtains and stores start read small data start address and reading length.
9. the device based on the start of eMMC accelerating system according to claim 7, is characterized in that: described data acquisition memory module specifically comprises for obtaining and storing the start address of the small data that start is read and read length to eMMC ad-hoc location.
10. the device based on the start of eMMC accelerating system according to claim 6 to 9 any one, is characterized in that: the small data that described start is read comprises the data volume that start reads and is less than the small data of preset value.
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| C06 | Publication | ||
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Address after: 350003 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Applicant after: FUZHOU ROCKCHIP ELECTRONICS CO., LTD. Address before: 350003 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Applicant before: Fuzhou Rockchip Semiconductor Co., Ltd. |
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Address after: 350003 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee after: Ruixin Microelectronics Co., Ltd Address before: 350003 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee before: Fuzhou Rockchips Electronics Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |