CN108958813A - file system construction method, device and storage medium - Google Patents
file system construction method, device and storage medium Download PDFInfo
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- CN108958813A CN108958813A CN201810605658.3A CN201810605658A CN108958813A CN 108958813 A CN108958813 A CN 108958813A CN 201810605658 A CN201810605658 A CN 201810605658A CN 108958813 A CN108958813 A CN 108958813A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
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Abstract
The invention discloses a kind of file system construction method, device and storage mediums, are applied to embedded OS, comprising: load document system configuration when setting operating system is initial；Memory starting address, capacity and logic unit size are set；Operating system nucleus is set to support the enabled of memory carry and file system；Operating system is set to support the reading, write-in and erasing function of memory；According to the definition of file system, formatted storage device.In addition, method further includes that the hardware configuration of memory is arranged, supported to enable the hardware operation of memory；Cache is set, to match the rate of the external input and output of memory；Memory identification interface, recognition memory type, to support the operation of memory are set.Compared with the prior art, technical solution provided by the invention has reached independent of specific embedded OS or memory, the general technical effect under all kinds of hardware and software platforms.
Description
Technical field
The present invention relates to computer file systems to construct field.More particularly, to a kind of embedded system file system
The method in building field.
Background technique
Embedded system is just widely used with the development of Internet in every field, as outstanding behaviour
Make system code, the real time operating systems such as VxWorks, QNX, RTEMS realize real-time more better than other operating systems, have
Effect property, commerciality, tailorability and interoperability, be widely used in the high-quality precision and sophisticated technologies such as communication, military affairs, Aeronautics and Astronautics and
In the high field of requirement of real-time, such as satellite communication, military exercises, trajectory guidance, aircraft navigation.
It all the use of the memories such as FLASH is being main memory medium in more and more embedded OSs.Directly at this
Data are carried out on a little memories reads and writees that operation is more complicated, needs to consider the timing of read-write, and need to write phase
The driver answered, the mode saved for the data of different formats is also different, this undoubtedly increases the difficulty of system development
Degree.In the prior art, many developers and user upgrade user program for convenience, usually establish file system on a memory
System, after establishing file system, developer can be as, to hard disk operation, carrying out copying for data under desktop operating system
The operation such as shellfish, deletion and foundation of file.But in terms of concrete application, the prior art is only for specific operating system and deposits
Reservoir does not have versatility.
In consideration of it, the purpose of the present invention is to provide a kind of file system construction method, device and storage medium, using logical
Implementation technology, so that technical solution is independent of specific embedded OS or memory.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of file system construction method, device and
Storage medium, to alleviate problem of the existing technology.
In a first aspect, being applied to embedded OS the present invention provides a kind of file system construction method, comprising:
Load document system configuration when setting operating system is initial；Memory starting address, capacity and logic unit size are set；If
Operating system nucleus is set to support the enabled of memory carry and file system；Operating system is set to support the reading of memory
Take, be written and wipe function；According to the definition of file system, formatted storage device.
Optionally, when setting operating system is initial before load document system configuration, further includes: the hard of memory is set
Part configuration is supported to enable the hardware operation of memory；Cache is set, to match the speed of the external input and output of memory
Rate.
Optionally, further includes: the driver of memory is set, realizes reading, write-in and the erasing of memory physically
Function.
Optionally, it is arranged before reading, write-in and erasing function of the operating system to support memory, further includes: setting
Memory identification interface, recognition memory type, to support the operation of memory.
Second aspect, the present invention provides a kind of file system builds devices, are applied to embedded OS, comprising:
Operating system nucleus is arranged to support to deposit in operating system configuration module, load document system configuration when setting operating system is initial
Reservoir carry and file system it is enabled, operating system is set to support the reading, write-in and erasing function of memory；Memory
Configuration module, setting memory starting address, capacity and logic unit size, according to the definition of file system, formatting is deposited
Reservoir.
Optionally, further includes: the hardware configuration of memory is arranged in hardware support module, grasps to enable the hardware of memory
It supports, cache is set, to match the rate of the external input and output of memory.
Optionally, further includes: driver module realizes reading, write-in and the erasing function of memory physically.
Optionally, operating system configuration module further include: memory identification module, recognition memory type, to support to deposit
The operation of reservoir.
The third aspect, the present invention provides a kind of file system builds devices, are applied to embedded OS, comprising:
Processor；Command memory for storage processor executable instruction；Wherein, processor is configured as: setting operating system
Load document system configuration when initial；Memory starting address, capacity and logic unit size are set；It is arranged in operating system
Core is to support the enabled of memory carry and file system；Operating system is set to support the reading, write-in and erasing of memory
Function；According to the definition of file system, formatted storage device.
Fourth aspect, the present invention provides a kind of computer readable storage mediums, are stored thereon with computer program instructions,
It is characterized in that, realizing file system construction method step provided by first aspect when the program instruction is executed by processor.
Beneficial effects of the present invention are as follows:
Technical solution provided by the invention can include the following benefits: load document system when setting operating system is initial
It is under unified central planning to set；Memory starting address, capacity and logic unit size are set；Operating system nucleus is set to support memory to hang
It carries enabled with file system；Operating system is set to support the reading, write-in and erasing function of memory；According to file system
Definition, formatted storage device.In this way, file system construction method provided by the invention, has reached independent of specific embedding
Enter formula operating system or memory, the general technical effect under all kinds of hardware and software platforms.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is one embodiment of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of file system construction method flow chart of first embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of file system builds device of second embodiment of the invention；
Fig. 3 is a kind of structural schematic diagram of file system builds device of third embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.
Embodiment one:
Fig. 1 is a kind of file system construction method flow chart of first embodiment of the invention, as shown in Figure 1, this method packet
Include following four steps.
Step S101: the hardware configuration and cache of memory are set.Specifically, the hardware configuration of memory is set,
It is supported to enable the hardware operation of memory.Optionally, cache is set, to match the speed of the external input and output of memory
Rate.
In an alternative embodiment, memory uses the chip of FALSH.There is a feedback pin in FLASH,
When this pin carries out the hardware configuration of FLASH, it is necessary to this pin be configured, otherwise carried out to FLASH
It will appear mistake when erasing verification.
In another optional implementation, if memory is the lower rotation memory bank of read and write rate, need that height is arranged
Speed caching, to match the rate of the external input and output of memory
Step S102: driver deployment is carried out.Specifically, the driver of memory is set, realizes memory physics
On reading, write-in and erasing function.
In an alternative embodiment, file system is established firstly the need of the behaviour such as memory being read and write, wiped
Make, these operations need to realize the specific control to hardware by driver, and driver is controlled by configuration memory
Chip is realized.
Step S103: operating system configuration is carried out.Specifically, load document system configuration when setting operating system is initial,
Operating system nucleus is set to support the enabled of memory carry and file system, operating system is set to support the reading of memory
Take, be written and wipe function.
In an alternative embodiment, operating system uses VxWorks, it is necessary first to the config.h text in BSP
Part is configured, and BSP is mainly the initialization of CPU, is provided bottom hardware for entire software systems and is supported.Thereafter it configures
Vxworks kernel needs to carry out kernel configuration and is allowed to carry out one with the configuration in config.h in the config option of kernel
One is corresponding, and in addition to the config option in config.h, kernel also needs other configuration file system carry and enabled option.Its
Afterwards, it seeks to complete write, erase function in the sysMtd.c in vxworks, the two functions are exactly to writing
Writing in FLASH driver and the simplified package for wiping function.
Optionally, it is arranged before reading, write-in and erasing function of the operating system to support memory, further includes: setting
Memory identification interface, recognition memory type, to support the operation of memory.
In an alternative embodiment, before realizing write, erase function, need to complete is
SysMtdIdentify function most importantly defines several parameters according to the actual conditions of FLASH in this function, including
Erasableblocksize (sector-size for being arranged to FLASH), chipsize (actual size for being arranged to FLASH) make
With for recognition memory type and attribute.
Step S104: memory configuration is carried out.Specifically, it is big that memory starting address, capacity and logic unit are set
It is small, according to the definition of file system, formatted storage device.
In an alternative embodiment, memory uses the chip of FALSH, and TFFS file is established in vxworks
System.The initial address of FALSH chip, the size of FLASH, the sector-size of FLASH, FLASH are needed to configure in BSP first
Page-size, any one of these parameters are not corresponding with FALSH, can all directly result in file system foundation failure.
Thereafter, file system is established by order line.After vxworks os starting gets up, it is invoked at
In sysTffs.c file it is customized call tffsDevFormat function, thus can format eliminate
Its complementary space of first parameter size of tffsDevFormatParams, then call usrTffsConfig (0,0, "/
Tffs0 "), the space of formatting is named as tffs0, the space of FLASH can't call cp, mv, ls etc. to order later in this way
It enables, needs that dosFsDiskFormat is called to be formatted into dosFs format, can support common file later in this way
Operation, file system are also just successfully established.
Embodiment two:
The embodiment of the invention provides a kind of file system builds device, which is mainly used for executing the embodiment of the present invention
File system construction method provided by above content does file system builds device provided in an embodiment of the present invention have below
Body introduction.
Fig. 2 is a kind of structural schematic diagram of file system builds device of second embodiment of the invention.As shown in Fig. 2, should
File system builds device 200 comprises the following modules.
The hardware configuration of memory is arranged in hardware support module 201, supports to enable the hardware operation of memory, setting
Cache, to match the rate of the external input and output of memory.
Driver module 202 realizes reading, write-in and the erasing function of memory physically.
Operating system configuration module 203, load document system configuration when setting operating system is initial are arranged in operating system
Operating system is arranged to support the enabled of memory carry and file system to support the reading, write-in and erasing of memory in core
Function.
Memory configuration module 204, setting memory starting address, capacity and logic unit size, according to file system
The definition of system, formatted storage device.
Optionally operating system configuration module 203 includes: memory identification module, recognition memory type, to support to deposit
The operation of reservoir.
Embodiment three:
The embodiment of the invention also provides a kind of file system builds devices.As shown in figure 3, the file system of the embodiment
Construction device 300 includes: processor 301, command memory 302, memory 303, and is stored in command memory 302 simultaneously
The computer program that can be run on processor 301, such as the program are used to establish file system in memory 303.Processor
The step in above-mentioned each file system construction method embodiment, such as step shown in FIG. 1 are realized when 301 execution computer program
Rapid S101, S102, S103 and S104.Alternatively, processor 301 is realized in above-mentioned each Installation practice respectively when executing computer program
The function of module, such as module in Fig. 2 is to carry out file system foundation in memory 303.
Illustratively, the computer program can be divided into one or more modules, one or more of moulds
Block is stored in described instruction memory 302, and is executed by 301 devices of the processing, to complete the present invention.It is one or more
A module can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing the calculating
Implementation procedure of the machine program in the file system builds device.For example, the computer program can be divided into operation
System configuration module and memory configuration module, each module concrete function are as follows: operating system configuration module, and operating system is arranged
Operating system nucleus is arranged to support enabled, the setting of memory carry and file system in load document system configuration when initial
Operating system is to support the reading, write-in and erasing function of memory；Memory configuration module, setting memory starting address,
Capacity and logic unit size, according to the definition of file system, formatted storage device.
The file system builds device can be SCM system, desktop PC, notebook, palm PC and cloud
Server etc. is held to calculate equipment.The file system builds device may include, but be not limited only to, processor, memory.This field
Technical staff is appreciated that the schematic diagram is only the example of file system builds device, does not constitute to file system structure
The restriction for building device may include perhaps combining certain components or different components than illustrating more or fewer components,
Such as the file system builds device can also include input-output equipment, bus etc..
Alleged processor can be micro-control unit (Microcontroller Unit, MCU), central processing unit
(Central Processing Unit, CPU), can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
Reason device is also possible to any conventional processor etc., and the processor is the control centre of the file system builds device, benefit
With the various pieces of various interfaces and the entire file system builds device of connection.
Described instruction memory can be used for storing the computer program and/or module, the processor by operation or
The computer program and/or module being stored in described instruction memory are executed, and calls and is stored in command memory
Data realize the various functions of the file system builds device.Described instruction memory can mainly include storing program area and
Storage data area, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Playing function, image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as sound according to mobile phone
Frequency evidence, phone directory etc.) etc..In addition, command memory may include high-speed random access memory, it can also include non-volatile
Property memory, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital
(Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other
Volatile solid-state part.
Example IV:
If the integrated module of file system builds device is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention realizes
All or part of the process in above-described embodiment method can also instruct relevant hardware to complete by computer program,
The computer program can be stored in a computer readable storage medium, the computer program when being executed by processor,
The step of above-mentioned each embodiment of the method can be achieved.Wherein, the computer program includes computer program code, the calculating
Machine program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer
Readable medium may include: any entity or device, recording medium, USB flash disk, the movement that can carry the computer program code
Hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of file system construction method is applied to embedded OS characterized by comprising
Be arranged the operating system it is initial when load file system configuration；
Memory starting address, capacity and logic unit size are set；
The operating system nucleus is set to support the enabled of the memory carry and file system；
The operating system is set to support the reading, write-in and erasing function of the memory；
According to the definition of the file system, the memory is formatted.
2. the method according to claim 1, wherein loading the file when the setting operating system is initial
Before system configuration, further includes:
The hardware configuration of the memory is set, is supported to enable the hardware operation of the memory；
Cache is set, to match the rate of the external input and output of the memory.
3. the method according to claim 1, wherein further include:
The driver of the memory is set, realizes reading, write-in and the erasing function of the memory physically.
4. the method according to claim 1, wherein the setting operating system is to support the storage
Before the reading of device, write-in and erasing function, further includes:
The memory identification interface is set, identifies the type of memory, to support the operation of the memory.
5. a kind of file system builds device is applied to embedded OS characterized by comprising
Operating system configuration module, be arranged the operating system it is initial when load file system configuration, the operation is set
The operating system is arranged to support the enabled of the memory carry and file system to support the memory in system kernel
Reading, write-in and erasing function；
Memory configuration module, setting memory starting address, capacity and logic unit size；According to the file system
Definition, formats the memory.
6. device according to claim 5, which is characterized in that further include:
The hardware configuration of the memory is arranged in hardware support module, supports to enable the hardware operation of the memory, setting
Cache, to match the rate of the external input and output of the memory.
7. device according to claim 5, which is characterized in that further include:
Driver module realizes reading, write-in and the erasing function of the memory physically.
8. device according to claim 5, which is characterized in that the operating system configuration module further include:
Memory identification module identifies the type of memory, to support the operation of the memory.
9. a kind of file system builds device is applied to embedded OS characterized by comprising
Processor；
Command memory for storage processor executable instruction；
Wherein, the processor is configured to: be arranged the operating system it is initial when load file system configuration；Setting is deposited
Reservoir initial address, capacity and logic unit size；The operating system nucleus is set with support the memory carry and
File system enables；The operating system is set to support the reading, write-in and erasing function of the memory；According to described
The definition of file system formats the memory.
10. a kind of computer readable storage medium, is stored thereon with computer program instructions, which is characterized in that the program instruction
The step of any one of Claims 1 to 4 the method is realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810605658.3A CN108958813A (en) | 2018-06-13 | 2018-06-13 | file system construction method, device and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810605658.3A CN108958813A (en) | 2018-06-13 | 2018-06-13 | file system construction method, device and storage medium |
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| CN110941843A (en) * | 2019-11-22 | 2020-03-31 | 北京明略软件***有限公司 | Encryption implementation method, device, equipment and storage medium |
| CN111026457A (en) * | 2019-11-30 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Hardware configuration method and device, storage medium and terminal equipment |
| CN112231246A (en) * | 2020-10-31 | 2021-01-15 | 王志平 | Method for realizing processor cache structure |
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Application publication date: 20181207 |
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