CN106406964B - Loading method, loading device and the loading system of kernel file - Google Patents
Loading method, loading device and the loading system of kernel file Download PDFInfo
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- CN106406964B CN106406964B CN201610882218.3A CN201610882218A CN106406964B CN 106406964 B CN106406964 B CN 106406964B CN 201610882218 A CN201610882218 A CN 201610882218A CN 106406964 B CN106406964 B CN 106406964B
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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
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
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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 present invention proposes the loading method, loading device and loading system of a kind of kernel file, and wherein loading method includes: that the preset general-purpose serial bus USB of initialization turns network-driven；Kernel file is received by USB network；The kernel file is stored in specified storage address.Loading method, loading device and the loading system of above-mentioned kernel file, kernel file is directly received and stored by USB network, kernel file can be loaded, it is not necessary that kernel file packing is compiled into firmware, firmware is downloaded without by specific firmware flashburn tools, to improve the loading efficiency of kernel file.On hardware, development board, which configures USB interface, can save circuit board space since the more general network interface of USB interface is small in size.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of loading method of kernel file, loading device and add
Loading system.
Background technique
In system for computer exploitation and debugging process, it is often necessary to modify to kernel file, generally in computer
Upper change kernel mirror image, reloads on development board.
In the prior art, the method for loading kernel mainly includes two kinds: a kind of method is downloaded using network transmission mode
Kernel mirror image.This method needs to be provided with Ethernet interface on development board, and some development boards do not set to reduce volume
Set Ethernet interface.Another method is to change after kernel mirror image every time, and kernel mirror image is packaged compiling and generates firmware, then
By specific firmware flashburn tools, firmware is downloaded on storage medium, such as downloads to nand memory (NAND
) or EMMC (Embedded Multi Media Card, embedded multi-media card) etc. Flash.This mode step is more numerous
Trivial, efficiency is lower.
Summary of the invention
In view of this, can be saved it is necessary to provide a kind of loading method of kernel file, loading device and loading system
Circuit board space simultaneously improves loading efficiency.
The invention discloses a kind of loading methods of kernel file comprising:
It initializes preset USB and turns network-driven；
Kernel file is received by USB network；
The kernel file is stored in specified storage address.
As an implementation, the kernel file carries loading command；
The kernel file is stored in front of specified storage address, the loading method further include:
The loading command is parsed, to obtain the specified storage address.
As an implementation, the preset USB of initialization turns network-driven, comprising:
Initialize the hardware resource of USB device controller；
The USB device controller is registered as into USB network equipment, to call the hardware resource.
As an implementation, the kernel file includes kernel mirror image.
As an implementation, the kernel file includes flat device tree file.
The invention also discloses a kind of loading devices of kernel file, are applied to development board comprising:
Initialization module turns network-driven for initializing preset general-purpose serial bus USB；
Receiving module, for receiving kernel file by USB network；
Memory module, for the kernel file to be stored in specified storage address.
As an implementation, the kernel file carries loading command；
The loading device further includes parsing module, for parsing the loading command, to obtain the specified storage
Address.
As an implementation, the initialization module, comprising:
Initialization unit, for initializing the hardware resource of USB device controller；
Registering unit, for the USB device controller to be registered as USB network equipment, to call the hardware resource.
As an implementation, the kernel file includes kernel mirror image.
As an implementation, the kernel file includes flat device tree FDT file.
The invention also discloses a kind of loading systems of kernel file comprising development board and terminal device, wherein described
Development board includes that any of the above-described such as is applied to the loading device of development board.
Loading method, loading device and the loading system of above-mentioned kernel file are directly received and stored interior by USB network
Core file can load kernel file, it is not necessary that kernel file packing is compiled into firmware, without passing through specific firmware programming
Tool downloads firmware, to improve the loading efficiency of kernel file.On hardware, development board configures USB interface, due to
The more general network interface of USB interface is small in size, therefore can save circuit board space.
By adopting the above technical scheme, the exploitation for also not having Ethernet interface there was only USB interface in development board or client's plate
It in environment, realizes and realizes that USB turns the function of network in Uboot, by the USB network for using NFS or TFTP at the end PC
Transmission mode is loaded into kernel mirror image on the specified address DRAM of development board.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The attached drawing of other embodiments is obtained according to these attached drawings.
Fig. 1 is the flow diagram of the loading method of the kernel file of one embodiment of the invention；
Fig. 2 is the flow diagram of the loading method of the kernel file of another embodiment of the present invention；
Fig. 3 is the flow diagram of the loading method of the kernel file of further embodiment of this invention；
Fig. 4 is the structural schematic diagram of the loading device of the kernel file of one embodiment of the invention；
Fig. 5 is the structural schematic diagram of the loading system of the kernel file of one embodiment of the invention；
Fig. 6 is the structural schematic diagram of terminal device in the loading system of the kernel file of one embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
The loading method, loading device and load system of kernel file according to an embodiment of the present invention are described with reference to the accompanying drawing
System.For example, the loading method of the kernel file of one embodiment of the invention is the following steps are included: to initialize preset general serial total
Line USB turns network-driven；Detect whether that connecting terminal by USB (Universal Serial Bus, universal serial bus) sets
It is standby, it is to establish USB network；Kernel file is received by the USB network；The kernel file is stored in specified storage
Address, such as the kernel file is stored in specified memory address.
Referring to Fig. 1, its flow diagram for the loading method of the kernel file of one embodiment of the invention, the kernel
The loading method of file is applied to development board.As shown in Figure 1, the loading method of the kernel file the following steps are included:
S110 initializes preset USB and turns network-driven.For example, development board, which initializes preset USB, turns network-driven；
For another example, preset USB is initialized in development board Uboot turn network-driven.
In the present embodiment, development board is provided with USB interface and USB turns network-driven.Wherein, USB turns network-driven use
Conversion between realization usb data and network data, such as Ethernet data is converted into usb data.For example, the USB connects
Mouth includes A type USB socket and/or A type USB plug；For example, the USB interface includes Type B USB socket and/or Type B USB plug；
For example, the USB interface includes Mini USB socket and/or Mini USB plug；For example, the USB interface includes that Micro USB is inserted
Seat and/or Micro USB plug.In a preferred embodiment, plate suqare is accounted in order to reduce, saves circuit board space, which connects
Mouth is set as Micro USB socket or Micro USB plug.
As an implementation, after development board powers on, the preset USB of auto-initiation turns network-driven, in this way, one
Denier can quickly establish USB network by USB connection terminal device, carry out network communication with terminal device.
As another embodiment, it after detecting USB connection terminal device, initializes preset USB and turns network
Driving, to avoid unnecessary initialization procedure, reduces the power consumption of development board.For example, development board is additionally provided with USB identification mould
Block, for identification external USB equipment, such as the USB device of terminal device.
S130 receives kernel file by USB network.
Above-mentioned USB network, such as: NFS (Network File System, Network File System) network or TFTP
(Trivial File Transfer Protocol, Simple File Transfer Protocol) network.For example, for NFS network, terminal is set
Standby to be used as nfs server, development board is then communicated by NFS protocol between development board and terminal device as NFS client, is opened
Hair plate can receive the kernel file that terminal device is sent based on NFS protocol.For another example, for TFTP network, terminal device conduct
Tftp server, development board then pass through TFTP protocol communication, development board as TFTP client between development board and terminal device
It can receive the kernel file that terminal device is sent based on TFTP agreement.
It is that kernel text is then sent to the development board by USB network for example, detecting whether through USB connection development board
Part, so that the development board loads the kernel file；In one embodiment, terminal device detects whether to connect by USB
Development board is then to send kernel file to the development board by USB network, so that the development board loads the kernel text
Part.
In the present embodiment, terminal device is the user terminal with USB interface, such as terminal device includes but unlimited
In: desktop computer, laptop, tablet computer, palm PC etc. be non-portable or portable terminal.
For example, terminal device detects whether to connect development board by USB connecting line；For example, terminal device detects whether to lead to
It crosses USB interface and is directly connected to development board.For example, terminal device is provided with USB identification module and USB interface, mould is identified by USB
Whether block detection USB interface is connected to terminal device.For example, the USB interface of terminal device includes A type USB socket and/or A type
USB plug；For example, the USB interface of terminal device includes Type B USB socket and/or Type B USB plug；For example, terminal device
USB interface includes Mini USB socket and/or Mini USB plug；For example, the USB interface of terminal device includes Micro USB
Socket and/or Micro USB plug.
In a preferred embodiment, for the portable terminals equipment such as tablet computer, palm PC, in order to reduce volume,
The USB interface is set as Micro USB socket and/or Micro USB plug.
As an implementation, it is previously provided with USB in terminal device and turns network-driven, connected when detecting by USB
When connecing development board, start the USB and turn network-driven, to establish USB network, such as establishes between terminal device and development board
USB network.
In the present embodiment, kernel file includes kernel mirror image；Alternatively, kernel file includes in addition to kernel mirror image file
Other kernel files, such as FDT (Flattened Device Tree, flat device tree) file；Alternatively, kernel file packet
Include kernel mirror image and other kernel files.
The kernel file is stored in specified storage address by S150.
In the present embodiment, specified storage address, such as specified memory address, such as specified DRAM (Dynamic
Random Access Memory, dynamic random access memory) address.
As an implementation, the kernel file is stored according to loading command by specified storage address.For example,
Kernel file carries loading command and obtains specified storage address by parsing the loading command.For example, the loading command is
NFS order or TFTP order.
In one embodiment, as shown in Fig. 2, step S110 is specifically included:
S111 initializes the hardware resource of USB device controller.Wherein, the hardware money of USB device controller is initialized
Source, for realizing the driving of USB device controller.
The USB device controller is registered as USB network equipment, to call the hardware resource by S113.
For example, the USB device controller is registered as USB network equipment in Development plank system, for another example, in Uboot
The USB device controller is registered as USB network equipment by (Universal Bootloader, bootstrap loader).USB is set
Preparation controller is registered as USB network equipment, turns network-driven for realizing USB, so that USB device controller is capable of calling initially
The hardware resource of change establishes the USB network between terminal device.
In one embodiment, terminal device is sent out by the USB network to the development board with specific reference to pre-set commands
Send kernel file.For example, the pre-set commands are the order of user's input；For another example, which is the NFS life of user's input
It enables.
It include allocation list, the configuration information including kernel in allocation list, such as kernel file in kernel in specific implementation
Storage address.In one embodiment, terminal device also executes the following steps: before sending kernel file to development board
S321 obtains the storage address of the kernel file according to the allocation list in the kernel file；
The storage address is encapsulated into default loading command by S323.Such as the storage address is encapsulated as this and is preset
The parameter of loading command.For example, the default loading command is NFS order or TFTP order.
Correspondingly, step S330 specifically: sent by the USB network to the development board and carry the default load
The kernel file of order.For example, this is preset after loading command is packaged together with kernel file, sent by USB network, with
After receiving kernel file convenient for development board, can automatically according to the loading command, the above-mentioned storage address of quick obtaining and according to
The storage address stores the kernel file, is manually entered loading command without user, so that Speeding up development plate side loads kernel
The speed of file.
The loading method of above-mentioned kernel file directly receives and stores kernel file by USB network, can load kernel
File downloads firmware without by specific firmware flashburn tools, to mention it is not necessary that kernel file packing is compiled into firmware
The loading efficiency of high kernel file.On hardware, development board configures USB interface, since the more general network of USB interface connects
Mouth is small in size, therefore can save circuit board space.
Fig. 3 is the flow diagram of the loading method of the kernel file of further embodiment of this invention, the loading method application
In development board and terminal device.For example, as shown in figure 3, the loading method includes:
S310, development board initialize preset USB and turn network-driven.
S320, terminal device, which is detected, connects development board by USB.
S330, the terminal device send kernel file to the development board by USB network.Such as send kernel mirror
Picture.
In one embodiment, terminal device is sent out by the USB network to the development board with specific reference to pre-set commands
Send kernel file.For example, the pre-set commands are the order of user's input；For another example, which is the NFS life of user's input
It enables.
It include allocation list, the configuration information including kernel in allocation list, such as kernel file in kernel in specific implementation
Storage address.In one embodiment, terminal device also executes the following steps: root before sending kernel file to development board
According to the allocation list in the kernel file, the storage address of the kernel file is obtained；The storage address is encapsulated into default
In loading command.Such as the storage address is encapsulated as to the parameter of the default loading command.For example, the default loading command is
NFS order or TFTP order.
Correspondingly, step S530 specifically: sent by the USB network to the development board and carry the default load
The kernel file of order.For example, this is preset after loading command is packaged together with kernel file, sent by USB network, with
After receiving kernel file convenient for development board, can automatically according to the loading command, the above-mentioned storage address of quick obtaining and according to
The storage address stores the kernel file, is manually entered loading command without user, so that Speeding up development plate side loads kernel
The speed of file.
S340, the development board receive the kernel file by the USB network.Such as receive kernel mirror image.
The kernel file is stored in specified storage address by S350, the development board.Such as the kernel file is write
To the specified address DRAM.
The loading method of above-mentioned kernel file receives and dispatches kernel file, nothing by USB network between development board and terminal device
Kernel file need to be packaged and be compiled into firmware, firmware be downloaded without by specific firmware flashburn tools, to improve kernel
The loading efficiency of file.On hardware, development board configures USB interface, due to the more general network interface volume of USB interface
It is small, therefore circuit board space can be saved.
Referring to Fig. 4, its structural schematic diagram for the loading device of the kernel file of one embodiment of the invention.The load
Device is applied to development board.For example, the loading device is real using the loading method of kernel file described in any of the above-described embodiment
It is existing；As shown in figure 4, the loading device 400 includes:
Initialization module 410 turns network-driven for initializing preset general-purpose serial bus USB.
Receiving module 430, for receiving kernel file by USB network.
Memory module 450, for the kernel file to be stored in specified storage address.
In one embodiment, the kernel file carries loading command；The loading device further include:
Parsing module, for parsing the loading command, to obtain the specified storage address.
In one embodiment, the initialization module 410, comprising:
Initialization unit, for initializing the hardware resource of USB device controller；
Registering unit, for the USB device controller to be registered as USB network equipment, to call the hardware resource.
In one embodiment, the kernel file includes kernel mirror image.
The loading device of above-mentioned kernel file directly receives and stores kernel file by USB network, can load kernel
File downloads firmware without by specific firmware flashburn tools, to mention it is not necessary that kernel file packing is compiled into firmware
The loading efficiency of high kernel file.On hardware, development board configures USB interface, since the more general network of USB interface connects
Mouth is small in size, therefore can save circuit board space.
Further embodiment of this invention is a kind of loading device of kernel file, is used in described in any of the above-described embodiment
The loading method of core file；For example, a kind of loading device of kernel file, uses kernel file described in any of the above-described embodiment
Loading method realize；For another example, a kind of loading device of kernel file, with kernel file described in any of the above-described embodiment
Functional module corresponding to loading method.
The embodiment of the invention also provides a kind of loading systems of kernel file, as shown in figure 5, the loading system 500 is wrapped
Development board 510 and terminal device 530 are included, wherein development board 810 includes the loading device of the kernel file of embodiment illustrated in fig. 4.
For example, the loading system is realized using the loading method and/or loading device of kernel file described in any of the above-described embodiment.
In one embodiment, as shown in fig. 6, terminal device 530 includes detection module 531 and sending module 533,
In:
Detection module 531, for detecting whether connecting development board by USB；
Sending module 533, for being sent out to the development board by USB network when detecting through USB connection development board
Kernel file is sent, so that the development board loads the kernel file.
In one embodiment, terminal device 530 further include:
Read module, for reading kernel file；
Module is obtained, for obtaining the storage address of the kernel file according to the allocation list in the kernel file；
Package module, for the storage address to be encapsulated into default loading command；
The sending module 533 is specifically used for sending the carrying default load life to the development board by USB network
The kernel file of order.
In one embodiment, the kernel file includes kernel mirror image.
In one embodiment, the kernel file includes FDT file.
The loading system of above-mentioned kernel file receives and dispatches kernel file by USB network between terminal device and development board, i.e.,
Kernel file can be loaded, it is not necessary that kernel file packing is compiled into firmware, is downloaded without by specific firmware flashburn tools
Firmware, to improve the loading efficiency of kernel file.On hardware, development board configure USB interface, due to USB interface compared with
General network interface is small in size, therefore can save circuit board space.
By adopting the above technical scheme, the exploitation for also not having Ethernet interface there was only USB interface in development board or client's plate
It in environment, realizes and realizes that USB turns the function of network in Uboot, by the USB network for using NFS or TFTP at the end PC
Transmission mode is loaded into kernel mirror image on the specified address DRAM of development board.
It should be noted that included modules are only drawn according to function logic in above-mentioned apparatus embodiment
Point, but be not limited to the above division, as long as corresponding functions can be realized；In addition, each functional module is specific
Title is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
In addition, those of ordinary skill in the art will appreciate that realizing all or part of the steps in the various embodiments described above method
It is that relevant hardware can be instructed to complete by program, corresponding program can store in read/write memory medium, institute
State storage medium, such as ROM/RAM, disk, CD.
Each technical characteristic of the various embodiments described above, which is combined with each other, to be formed by the loading method of achievable kernel file, adds
It carries and sets and/or loading system.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (11)
1. a kind of loading method of kernel file characterized by comprising
After detecting USB connection terminal device, initializes preset general-purpose serial bus USB and turn network-driven；Wherein, institute
It states USB and turns network-driven for realizing the conversion between usb data and network data；
Kernel file is received by USB network；
The kernel file is stored in specified storage address.
2. loading method as described in claim 1, which is characterized in that the kernel file carries loading command；
The kernel file is stored in front of specified storage address, the loading method further include:
The loading command is parsed, to obtain the specified storage address.
3. loading method as described in claim 1, which is characterized in that the preset USB of initialization turns network-driven, comprising:
Initialize the hardware resource of USB device controller；
The USB device controller is registered as into USB network equipment, to call the hardware resource.
4. the loading method as described in any one of claims 1 to 3, which is characterized in that the kernel file includes kernel mirror image.
5. the loading method as described in any one of claims 1 to 3, which is characterized in that the kernel file includes flat equipment
Set FDT file.
6. a kind of loading device of kernel file characterized by comprising
Initialization module turns for after detecting USB connection terminal device, initializing preset general-purpose serial bus USB
Network-driven；Wherein, the USB turns network-driven for realizing the conversion between usb data and network data；
Receiving module, for receiving kernel file by USB network；
Memory module, for the kernel file to be stored in specified storage address.
7. loading device as claimed in claim 6, which is characterized in that the kernel file carries loading command；
The loading device further includes parsing module, for parsing the loading command, to obtain the specified storage address.
8. loading device as claimed in claim 6, which is characterized in that the initialization module, comprising:
Initialization unit, for initializing the hardware resource of USB device controller；
Registering unit, for the USB device controller to be registered as USB network equipment, to call the hardware resource.
9. loading device as claimed in claim 6, which is characterized in that the kernel file includes kernel mirror image.
10. a kind of loading system of kernel file, which is characterized in that including development board and terminal device, wherein the development board
Loading device including the kernel file as described in any one of claim 6 to 9.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 5 is realized when being executed by processor.
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| CN102122258A (en) * | 2011-03-22 | 2011-07-13 | 四川长虹电器股份有限公司 | Method for repairing damaged embedded equipment file system |
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