CN102520981A - Production method of INAND/NAND-based multi-partition storage device - Google Patents
Production method of INAND/NAND-based multi-partition storage device Download PDFInfo
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- CN102520981A CN102520981A CN201110378389XA CN201110378389A CN102520981A CN 102520981 A CN102520981 A CN 102520981A CN 201110378389X A CN201110378389X A CN 201110378389XA CN 201110378389 A CN201110378389 A CN 201110378389A CN 102520981 A CN102520981 A CN 102520981A
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Abstract
The invention discloses a production method of an INAND/NAND-based multi-partition storage device, which solves the technical problem of slow production speed of an INAND/NAND-based large internal memory due to that the conventional programmer does not support separate writing in the prior art. The technical scheme is that the method is realized through the programmer and a computer in which matched software programs are stored, a system file storage space for storing a system bootstrap module is divided in the internal memory, and the system bootstrap is written in the system file storage space through the programmer and the computer; a SD card slot and a matched SD card are added in an electronic device, wherein the SD card stores a system upgrading file, a system production file, and a shell script file for judging whether the storage device is partitioned. In the method, the internal memory is partitioned through an external memory, and the system file is separately written in the internal memory, thus, the production speed of the internal memory is improved greatly.
Description
Technical field
The present invention relates to a kind of working method of the multi partition memory device based on INAND/NAND; Refer in particular to embedded system,, need carry out subregion it when the INAND/NAND capacity is very big based on Linux; During production, need carry out burning file or write multi partition.
Background technology
Traditional Software Production burning generally directly is burnt to whole recordable paper among the INAND/NAND through cd-rom recorder, but in recent years; Along with the development of memory technology, the memory capacity of INAND/NAND has obtained large increase, from 2GB to 4GB; Arrive 8GB/16GB again; Reached 32GB recently, the memory device through a 32GB of cd-rom recorder burning has become very consuming time, and the INAND of light burning 4GB just needs 10 ~ 20 minutes now; The embedded system function had also obtained very great development in recent years, and embedded device no longer only is satisfied with the application that provides single, and like IPAD, smart mobile phone, intelligent vehicle machine, what their function had can match in excellence or beauty with computer.So strong functions has had higher requirement to the storage medium capacity, the reason of while each side, and like reasons such as safety, after-sales service, software administrations, INAND/NAND need be divided into a plurality of subregions.The tradition cd-rom recorder is not supported multi partition, does not support to disperse to write, and this has put forward a very big difficult problem for the production burning.Although there is manufacturer to pass through remodeling, the cd-rom recorder of supporting the multi partition burning is provided, very powerless in the face of disperseing to write, and the modified cd-rom recorder, embedded device manufacturer need drop into a no small expense.Therefore embedded device manufacturer presses for a kind of INAND/NAND working method of supporting that the multi partition dispersion writes.
Summary of the invention
The present invention for solving in the prior art based on the high capacity internal storage of INAND/NAND since traditional cd-rom recorder do not support to disperse to write; Cause speed of production technical matters slowly; The present invention has designed the quick working method of the matching used internal storage based on INAND/NAND of a kind of and electronic equipment; Through external memory storage internal storage is carried out subregion, also disperses to write system file, improved the speed of production of internal storage greatly.
The present invention for realizing the technical scheme that goal of the invention adopts is; The quick working method of the matching used internal storage based on INAND/NAND of a kind of and electronic equipment; Above method is by cd-rom recorder and stores the computer implemented of software kit program, in internal storage, mark off the system file storage space that is used for the storage system bootstrap program module and by cd-rom recorder and computing machine in this system file storage space programming system boot; In electronic equipment, set up SD draw-in groove, and the supporting setting SD card that stores the system upgrade/production file based on same software version and store robotization subregion shell script, on this basis, described method may further comprise the steps:
A, unlocking electronic equipment power on and the operational system boot based on the internal storage of INAND/NAND, system bootstrap routine detect internal storage wait produce sign, if detect internal storage wait to produce sign, then execution in step B;
B, start the SD card, whether the kernel system of SD card reads partition table information in the internal storage, judges internal storage subregion, if do not read partition table information, represent internal storage not subregion, then execution in step C; If read partition table information, the expression internal storage is subregion, then jumps to step D;
The robotization subregion shell script of storing on C, the kernel system call SD card, to internal storage carry out subregion, and the format;
Specified file in system upgrade/production file of storing on D, the copy SD card or catalogue are accomplished the production of internal storage under the specified path of the specified partition of internal storage.
The present invention carries out subregion, also disperses to write system file internal storage through external memory storage, has improved the speed of production of internal storage greatly.
Embodiment
The quick working method of the matching used internal storage based on INAND/NAND of a kind of and electronic equipment; Above method is by cd-rom recorder and stores the computer implemented of software kit program, in internal storage, mark off the system file storage space that is used for the storage system bootstrap program module and by cd-rom recorder and computing machine in this system file storage space programming system boot; In electronic equipment, set up SD draw-in groove, and the supporting setting SD card that stores the system upgrade/production file based on same software version and store robotization subregion shell script, on this basis, described method may further comprise the steps:
A, unlocking electronic equipment power on and the operational system boot based on the internal storage of INAND/NAND, system bootstrap routine detect internal storage wait produce sign, if detect internal storage wait to produce sign, then execution in step B;
B, start the SD card, whether the kernel system of SD card reads partition table information in the internal storage, judges internal storage subregion, if do not read partition table information, represent internal storage not subregion, then execution in step C; If read partition table information, the expression internal storage is subregion, then jumps to step D;
The robotization subregion shell script of storing on C, the kernel system call SD card, to internal storage carry out subregion, and the format;
Specified file in system upgrade/production file of storing on D, the copy SD card or catalogue are accomplished the production of internal storage under the specified path of the specified partition of internal storage.
Among the above-mentioned step D, copy method is: in the SD card, store production burning script and script interpreter in advance, production burning script and script interpreter are under the specified path of the specified partition that on the internal storage that divides good district copies specified file to internal storage.
In the above-mentioned steps A; If system bootstrap routine does not detect treating in the internal storage and produces sign, further judge the sign of upgrading after sale of internal storage, if detect upgrading sign after sale; Then start the ROMPaq in the internal storage; If do not detect upgrading sign after sale, then directly start the operating system on the internal storage, get into normal mode of operation.
The present invention is in the specific implementation:
1) after software design was finished, the wrapper of operational system and digital signature program broke into a unified bag producing with file, production with recovery script file, recovery script explanation program.The interpretive routine of Recovery script is packaged in issue with the recovery script; Consider that from the angle of safety this interpretive routine only supports that limited function such as file copy, partitioned file burning, file delete, file decompress(ion), file packing, file permission modification, directory delete, directory permission modification, catalogue are packed, the catalogue decompress(ion).The recovery script file has defined each subregion and the corresponding source image filename thereof of producing the burning of wanting, has also defined file and the source filename that needs to disperse to be written to each subregion simultaneously in the script;
2) before the INAND/NAND paster is produced, the burned little boot in the system bootstrap position, file size is less than 300KB usually, and this boot judges automatically whether INAND/NAND is in occurrence attitude to be generated, and decision is from outside SD card start-up system;
3) make to start upgrade card, contain on it, and keep to produce at its data partition and use literature kit with the normal system entire run system under the upgrade mode after sale, this start on upgrade card file with upgrade after sale in full accord with file.When just moving, increased a Shell script, judged whether subregion of INAND/NAND automatically in system;
4) after machine assembles; Insert the startup upgrade card and power on then, carry out the program code in the INAND/NAND boot, when finding that INAND/NAND does not have subregion; Boot is loaded file system under LINUX kernel and the upgrade mode on the SD card automatically; Give linux kernel control then, after linux kernel has started, operation Linux-Shell shell script;
5) in the Shell shell script, search partition information,, carry out the subregion of INAND/NAND,, get into normal system upgrading flow process, directly got into for the 6th step if subregion exists if find that partition table does not exist;
6) master routine under the operation upgrade mode, this program is used literature kit with decompress(ion) production, confirms whether upgrade file is legal thereby carry out digital signature identification, if the legal recovery script explanation program that will carry out under the decompressing files bag of file;
7) Recovery script explanation program is resolved the recovery script and is carried out order wherein, just can be written among the INAND/NAND with each file that compresses in the literature kit producing;
8) through above each step, with regard to automatically INAND/NAND having been carried out subregion and burning or write the file that needs on each subregion, from actual property condition; Production efficiency has had the improvement of obviously showing; The INAND production time of 4GB only need 5 minutes less than, key is through this method, this not restriction of station base; Even can produce station to this and test combines, produce the time that time of software accounts in the whole production flow process and just can ignore basically.Owing to introduced the script explanation program, to disperseing write-in functions to play key effect, can realize very flexibly disperseing to write so simultaneously with control.
Claims (3)
1. quick working method with the matching used internal storage based on INAND/NAND of electronic equipment; Above method is by cd-rom recorder and stores the computer implemented of software kit program, it is characterized in that: in internal storage, mark off the system file storage space that is used for the storage system bootstrap program module and by cd-rom recorder and computing machine in this system file storage space programming system boot; In electronic equipment, set up SD draw-in groove, and the supporting setting SD card that stores the system upgrade/production file based on same software version and store robotization subregion shell script, on this basis, described method may further comprise the steps:
A, unlocking electronic equipment power on and the operational system boot based on the internal storage of INAND/NAND, system bootstrap routine detect internal storage wait produce sign, if detect internal storage wait to produce sign, then execution in step B;
B, start the SD card, whether the kernel system of SD card reads partition table information in the internal storage, judges internal storage subregion, if do not read partition table information, represent internal storage not subregion, then execution in step C; If read partition table information, the expression internal storage is subregion, then jumps to step D;
The robotization subregion shell script of storing on C, the kernel system call SD card, to internal storage carry out subregion, and the format;
Specified file in system upgrade/production file of storing on D, the copy SD card or catalogue are accomplished the production of internal storage under the specified path of the specified partition of internal storage.
2. the quick working method of the matching used internal storage based on INAND/NAND of a kind of and electronic equipment according to claim 1; It is characterized in that: among the described step D; Copy method is: in the SD card, store production burning script and script interpreter in advance, production burning script and script interpreter are under the specified path of the specified partition that on the internal storage that divides good district copies specified file to internal storage.
3. the quick working method of the matching used internal storage based on INAND/NAND of a kind of and electronic equipment according to claim 1; It is characterized in that: in the described steps A; If system bootstrap routine does not detect treating in the internal storage and produces sign, further judge the sign of upgrading after sale of internal storage, if detect upgrading sign after sale; Then start the ROMPaq in the internal storage; If do not detect upgrading sign after sale, then directly start the operating system on the internal storage, get into normal mode of operation.
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| CN201110378389XA CN102520981A (en) | 2011-11-24 | 2011-11-24 | Production method of INAND/NAND-based multi-partition storage device |
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| CN103092662A (en) * | 2013-02-04 | 2013-05-08 | 烽火通信科技股份有限公司 | Software module upgrading method for terminal device based on embedded operating system |
| CN103645992A (en) * | 2013-12-19 | 2014-03-19 | 深圳市捷顺科技实业股份有限公司 | Method and device for partition formatting of iNAND |
| CN104317618A (en) * | 2014-10-24 | 2015-01-28 | 福州瑞芯微电子有限公司 | Firmware partitioning method and device |
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| CN105516806A (en) * | 2015-12-08 | 2016-04-20 | 广东长虹电子有限公司 | Method for automatically making upgrade firmware for television chip |
| CN109117167A (en) * | 2018-07-13 | 2019-01-01 | 武汉精测电子集团股份有限公司 | A kind of starting Oftware updating method based on ZYNQ chip |
| CN109901847A (en) * | 2019-01-22 | 2019-06-18 | 珠海亿智电子科技有限公司 | A kind of volume production system firmware mass production method based on storage card |
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Application publication date: 20120627 |