CN104484185B - Firmware generates system and method - Google Patents
Firmware generates system and method Download PDFInfo
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- CN104484185B CN104484185B CN201410849401.4A CN201410849401A CN104484185B CN 104484185 B CN104484185 B CN 104484185B CN 201410849401 A CN201410849401 A CN 201410849401A CN 104484185 B CN104484185 B CN 104484185B
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000013500 data storage Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims description 17
- 230000008520 organization Effects 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 241001269238 Data Species 0.000 description 5
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- 238000012986 modification Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000037431 insertion Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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Abstract
A kind of firmware generation method, for generating the firmware being burnt in the memory of embedded device, this method includes：It is determined that need comprising each target program in firmware, and determine checking algorithm that each target program to be followed and with outskirt data storage method；Each target program is changed, amended each target program is compiled as executable program；The executable program is merged into the binary file for only including Data Area data；And the binary file is filled, it is included band outskirt data.The present invention also provides a kind of firmware generation system.The present invention can quickly generate firmware, improve the efficiency and reliability of firmware burning.
Description
Technical field
The present invention relates to built-in field, more particularly to a kind of firmware generation system and method.
Background technology
Embedded device is usually required in the memory of firmware burning to embedded device, embedded is set to start this
It is standby.Existing firmware generation method is complex, to be related to embedded Floor layer Technology (such as bad block management).In addition, firmware burns
The efficiency and reliability of record is also than relatively low.For example, often make a firmware, be required for undergo memory burn-on, online burning, on
Under electricity initialization, weldering, the complicated processes that cd-rom recorder is read are placed on, and are all manual operations, introduce many uncertain factors,
Easily error.
The content of the invention
In view of the foregoing, it is necessary to a kind of firmware generation system is provided, firmware can be quickly generated, improve firmware burning
Efficiency and reliability.
A kind of firmware generation method is provided in addition, there is a need to, firmware can be quickly generated, improve the efficiency of firmware burning
And reliability.
A kind of firmware generates system, runs in computing device, and the firmware of generation is used to be burnt to depositing for embedded device
In reservoir, the memory includes data field and included with outskirt, the system：Determining module, for determining to need to be included in admittedly
Each target program in part, and determine checking algorithm that each target program to be followed and with outskirt data storage side
Formula；Modified module, it is compiled as can perform respectively for changing each target program, and by amended each target program
Program；Merging module, for the absolute memory location according to each target program in the memory, held described
Line program merges into a binary file for only including Data Area data；And filling module, for the binary file
It is filled, the binary file after filling is included band outskirt data, to adapt to the storage organization of the memory, obtain institute
State firmware.
A kind of firmware generation method, applied in computing device, the firmware of generation is used to be burnt to depositing for embedded device
In reservoir, the memory includes data field and included with outskirt, this method：It is determined that need comprising each target in firmware
Program, and determine checking algorithm that each target program to be followed and with outskirt data storage method；Change described each
Individual target program, and amended each target program is compiled as executable program respectively；According to each target program
Absolute memory location in the memory, the executable program is merged into only two entering comprising Data Area data
File processed；And the binary file is filled, the binary file after filling is included band outskirt data, to adapt to
The storage organization of memory is stated, obtains the firmware.
Brief description of the drawings
Fig. 1 is the application environment schematic diagram of firmware generation system preferred embodiment of the present invention.
Fig. 2 is the functional block diagram of firmware generation system in Fig. 1.
Fig. 3 is the flow chart of firmware generation method preferred embodiment of the present invention.
Fig. 4 is the schematic diagram of the storage organization of memory.
Fig. 5 is the schematic diagram that executable file is merged into binary file.
Fig. 6 is the schematic diagram for generating verification data.
Fig. 7 is the schematic diagram that generation firmware is filled to binary file.
Main element symbol description
| Computing device | 1 |
| Firmware generates system | 10 |
| Storage device | 11 |
| Processor | 12 |
| Embedded device | 2 |
| Memory | 20 |
| Determining module | 100 |
| Modified module | 101 |
| Merging module | 102 |
| Fill module | 103 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
As shown in fig.1, it is the application environment schematic diagram of firmware generation system preferred embodiment of the present invention.The firmware life
Install and run in computing device 1 into system 10.The computing device 1 also includes storage device 11 and processor 12.It is described
Storage device 11 stores the data needed for the program code and running of the firmware generation system 10.The processor 12
The program code of firmware generation system 10 is performed to generate firmware.The firmware of the generation is used to be burnt to embedded device 2
Memory 20 in, to start the embedded device 2.
The memory 20 includes data (data) areas and oob (out-of-band, band are outer) area.For example, the memory
20 are made up of block (block), and every piece is made up of page (page), every page by data areas and oob district's groups into.The data areas are used to deposit
User data is stored up, the oob areas are used to store special data, including verification data (such as ECC (error checking and
Correction, error checking and correction) data).In the present embodiment, the memory 20 is nonvolatile memory, example
Such as flash (flash memory).Especially, the memory 20 can be nandflash (with non-flash), and every page of the nandflash can
With the data areas data including 2048B and 64B oob areas data.As shown in fig.4, be memory 20 (using nandflash as
Example) storage organization schematic diagram.
The computing device 1 can be personal computer, server etc..The storage device 11 can include USB flash disk, movement
Hard disk, read-only storage (ROM, read-only memory), random access memory (RAM, random access
Memory), magnetic disc or CD etc..Those skilled in the art are it should be understood that the embedded device 2 can also include it
His hardware unit, such as microprocessor, display device (such as touch-screen) etc..
As shown in fig.2, it is the functional block diagram of firmware generation system 10 in Fig. 1.The firmware generation system 10 includes
Determining module 100, modified module 101, merging module 102 and filling module 103.
The determining module 100 be used to determining startup stage of embedded device 2 operation and with the memory 20
Interactive program.
The memory 20 can be nandflash, and the start-up course of the embedded device 2 can be divided into RBL (ROM
Bootloader, rom boot loading procedure), UBL (user bootloader, user's bootstrap loader), Uboot
(universal bootloader, universal guiding loading procedure), kernel (kernel), file system (file system),
Six stages of user app (user application), wherein need with nandflash interaction include RBL, UBL, Uboot,
The kernel stages.Therefore, the startup stage of embedded device 2 is run and included with the program that the memory 20 interacts
RBL、UBL、Uboot、kernel。
The determining module 100 be additionally operable to from the startup stage of embedded device 2 run and with the memory 20
Determine to need each target program comprising in firmware in interactive program, and determine what each target program to be followed
Checking algorithm (such as ECC algorithm) and oob areas data storage method.
In the present embodiment, the RBL is the program being solidificated in the ROM of the embedded device 2, and this subprogram is not
It can be changed, accordingly, it is determined that module 100 determines that each target program includes UBL, Uboot, kernel, the UBL,
Uboot, kernel will be followed and RBL identicals checking algorithm and oob areas data storage method.
The modified module 101 is used to change each target program, by the checking algorithm of each target program
And oob areas data storage method is unified for the checking algorithm and oob areas data storage method of determination, and will be amended each
Individual target program is compiled as executable program respectively.
In the present embodiment, the RBL uses 4bit ECC algorithms, and 10B ECC datas are produced per 512B initial data.Institute
State the oob areas that nandflash is big page mode, every page of data area for including 2048B and 64B.Therefore every page one shared 4*512B
Data, one meet together produce 4*10B ECC data, these ECC datas in units of 10B, be respectively stored in 64Boob areas 6,
22nd, on 38,54 deviation posts.RBL bad block mark is stored on 0,1 deviation post in oob areas.According to these information, modification
UBL, Uboot, kernel related algorithm is respectively modified in module 101, compiles out the executable program of each target program.
The merging module 102 is used for the absolute storage position according to each target program in the memory 20
Put, the executable program is merged into a binary file for only including data areas.
In the present embodiment, the absolute drift address that merging module 102 loads according to each target program, will be each
Executable program merges into a binary file (such as raw.bin) for only including data areas.For example, RBL can be from
UBL is read in nandflash 0x00000000 addresses, then UBL is in the position of the binary file (such as raw.bin)
0x00000000；UBL can read Uboot from nandflash 0x00010000 addresses, then Uboot is in the binary file
The position of (such as raw.bin) is 0x00010000, by that analogy.As shown in fig.5, it is that executable file is merged into two to enter
The schematic diagram of file processed.
The filling module 103 is used to be filled the binary file, includes the binary file after filling
Oob areas data, to adapt to the storage organization of the memory 20, obtain the firmware.
In the present embodiment, the memory 20 is nandflash, fills data+ of the module 103 according to nandflash
Oob form, oob areas data are filled to the binary file, obtain the firmware, i.e., final recordable paper.
Each target program can specifically include UBL, Uboot, kernel, and described UBL, Uboot, kernel will be abided by
Follow and RBL identicals ECC algorithm and oob areas data storage method.The RBL uses 4bit ECC algorithms, the 4bit ECC
Algorithm is generated 16B ECC data, changed by position in units of 512B, 16B is switched into 10B, as shown in Figure 6.Fill module
103 by the binary file (such as raw.bin) in units of 4*512B, calculate 4*10B ECC data, and according to
64B oob areas are inserted in skew in oob, then by behind the data of this 64B oob areas data insertion 4*512B units, that is, generate
One complete 2048B+64B page data being laid out according to nandflash.After filling, the firmware (such as file is obtained
final.bin).Using the firmware of generation, batch burning can be carried out to the memory 20 by cd-rom recorder.Refering to Fig. 7 institutes
Show, be that the schematic diagram for generating the firmware is filled to the binary file.
As shown in fig.3, it is the flow chart of firmware generation method preferred embodiment of the present invention.Methods described, which is used to generate, burns
Record the firmware in the memory of embedded device.The methods described of the embodiment of the present invention can generate system by above-mentioned firmware
Unite to realize.According to different demands, the order of each step can change in the flow chart, and some steps can be omitted.
Step S301, determine the embedded device startup stage operation and the program interacted with the memory.
The memory can be nandflash, and the start-up course of the embedded device can be divided into RBL (ROM
Bootloader, rom boot loading procedure), UBL (user Bootloader, user's bootstrap loader), Uboot,
Kernel (kernel), file system (file system), six stages of user app (user application), wherein need and
Nandflash interactions include RBL, UBL, Uboot, kernel stage.Therefore, the embedded device startup stage is run simultaneously
And the program interacted with the memory includes RBL, UBL, Uboot, kernel.
Step S302, determined from the program that the embedded device startup stage is run and is interacted with the memory
Each target program comprising in firmware is needed, and determines each target program checking algorithm to be followed (such as ECC
Algorithm) and oob areas data storage method.
In the present embodiment, the RBL is the program being solidificated in the ROM of the embedded device, and this subprogram is not
It can be changed, therefore, each target program includes UBL, Uboot, kernel, and described UBL, Uboot, kernel will be followed
With RBL identicals checking algorithm and oob areas data storage method.
Step S303, each target program is changed, by the checking algorithm of each target program and oob areas number
It is unified for the checking algorithm and oob areas data storage method of determination according to storage mode, and by amended each target program
Executable program is compiled as respectively.
In the present embodiment, the RBL uses 4bit ECC algorithms, and 10B ECC datas are produced per 512B initial data.Institute
State the oob areas that nandflash is big page mode, every page of data area for including 2048B and 64B.Therefore every page one shared 4*512B
Data, one meet together produce 4*10B ECC data, these ECC datas in units of 10B, be respectively stored in 64Boob areas 6,
22nd, on 38,54 deviation posts.RBL bad block mark is stored on 0,1 deviation post in oob areas.According to these information, difference
UBL, Uboot, kernel related algorithm are changed, compiles out the executable program of each target program.
Step S304, according to absolute memory location of each target program in the memory, held described
Line program merges into a binary file for only including data areas.
In the present embodiment, the absolute drift address loaded according to each target program, by each executable program
Merge into a binary file (such as raw.bin) for only including data areas.For example, RBL can be from nandflash
UBL is read in 0x00000000 addresses, then UBL is 0x00000000 in the position of the binary file (such as raw.bin)；
UBL can read Uboot from nandflash 0x00010000 addresses, then Uboot the binary file (such as
Raw.bin position) is 0x00010000, by that analogy.As shown in fig.5, it is that executable file is merged into binary system text
The schematic diagram of part.
Step S305, the binary file is filled, the binary file after filling is included oob areas data,
To adapt to the storage organization of the memory, the firmware is obtained.
In the present embodiment, the memory is nandflash, according to nandflash data+oob form, to institute
Binary file filling oob areas data are stated, obtain the firmware, i.e., final recordable paper.
Each target program can specifically include UBL, Uboot, kernel, and described UBL, Uboot, kernel will be abided by
Follow and RBL identicals ECC algorithm and oob areas data storage method.The RBL uses 4bit ECC algorithms, the 4bit ECC
Algorithm is generated 16B ECC data, changed by position in units of 512B, 16B is switched into 10B, as shown in Figure 6.By described two
Binary file (such as raw.bin) calculates 4*10B ECC data in units of 4*512B, and according to the skew in oob
Insert 64B oob areas, then will this 64B oob areas data insertion 4*512B units data behind, that is, generate one according to
The complete 2048B+64B page datas of nandflash layouts.After filling, the firmware (such as file is obtained
final.bin).Using the firmware of generation, batch burning can be carried out to the memory by cd-rom recorder.As shown in fig.7,
It is that the schematic diagram for generating the firmware is filled to the binary file.
Specifically, in the embodiment of the present invention, methods described step corresponding with Fig. 1-2 module, equipment and memory
It is corresponding.
The firmware can be generated system 10 and is integrated in automation compilation script by user, follow-up any line code
Change, after the completion of compiling, the firmware generation system 10 is performed automatically, you can produce the firmware.
Using firmware generation method provided by the invention, the firmware can be provided directly by developer, avoid institute
State memory 20 (such as nandflash) burn-on, online burning, power-up initializing, under weldering, be placed on the cumbersome mistake of cd-rom recorder reading
Journey, improve the efficiency and reliability of the firmware, simultaneously because the firmware be in strict accordance with firmware need include it is each
The size generation of target program, the firmware size of generation is just right, it may also reduce the time of batch burning, improves production effect
Rate.Be not in bad block message because generating process is independent of the memory 20, thus it is versatile.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (14)
1. a kind of firmware generates system, run in computing device, the firmware of generation is used for the storage for being burnt to embedded device
In device, the memory includes data field and with outskirt, it is characterised in that the system includes：
Determining module, for determining to need each target program comprising in firmware, and determine that each target program will
The checking algorithm that follows and with outskirt data storage method；
Modified module, for changing each target program, by the checking algorithm of each target program and with outskirt
Data storage method is unified for the checking algorithm of determination and with outskirt data storage method, and by amended each target journey
Sequence is compiled as executable program respectively；
Merging module, for the absolute memory location according to each target program in the memory, held described
Line program merges into a binary file for only including Data Area data；And
Module is filled, for being filled to the binary file, the binary file after filling is included band outskirt data,
To adapt to the storage organization of the memory, the firmware is obtained.
2. firmware as claimed in claim 1 generates system, it is characterised in that the memory is nonvolatile memory.
3. firmware generation system as claimed in claim 1, it is characterised in that the memory is flash memory.
4. firmware as claimed in claim 1 generates system, it is characterised in that the memory right and wrong flash memory.
5. firmware as claimed in claim 1 generates system, it is characterised in that the checking algorithm is error checking and corrects calculation
Method.
6. firmware as claimed in claim 1 generates system, it is characterised in that the determining module, specifically for described in determination
The program that embedded device startup stage is run and interacted with the memory, run from the embedded device startup stage
And each target program is determined in the program interacted with the memory.
7. firmware as claimed in claim 6 generates system, it is characterised in that the embedded device startup stage operation and
The program interacted with the memory include rom boot loading procedure, user's bootstrap loader, universal guiding loading procedure and
Kernel, each target program include user's bootstrap loader, universal guiding loading procedure and kernel, user's guiding
Loading procedure, universal guiding loading procedure and kernel checking algorithm and with outskirt data storage method be revised as with it is described
Rom boot loading procedure is identical.
8. a kind of firmware generation method, applied in computing device, the firmware of generation is used for the storage for being burnt to embedded device
In device, the memory includes data field and with outskirt, it is characterised in that this method includes：
It is determined that needing comprising each target program in firmware, and determine each target program checking algorithm to be followed
And with outskirt data storage method；
Each target program is changed, is united by the checking algorithm of each target program and with outskirt data storage method
One for the checking algorithm of determination and with outskirt data storage method, and is needed amended comprising each journey in firmware
Sequence is compiled as executable program respectively；
According to absolute memory location of each target program in the memory, the executable program is merged into one
The individual binary file for including Data Area data；And
The binary file is filled, the binary file after filling is included band outskirt data, to adapt to described deposit
The storage organization of reservoir, obtain the firmware.
9. firmware generation method as claimed in claim 8, it is characterised in that the memory is nonvolatile memory.
10. firmware generation method as claimed in claim 8, it is characterised in that the memory is flash memory.
11. firmware generation method as claimed in claim 8, it is characterised in that the memory right and wrong flash memory.
12. firmware generation method as claimed in claim 8, it is characterised in that the checking algorithm is error checking and correction
Algorithm.
13. firmware generation method as claimed in claim 8, it is characterised in that it is described determine to need it is each comprising in firmware
Individual target program includes：
Determine the embedded device startup stage operation and the program interacted with the memory；And
Each target is determined from the program that the embedded device startup stage is run and is interacted with the memory
Program.
14. firmware generation method as claimed in claim 13, it is characterised in that the embedded device startup stage operation is simultaneously
And the program interacted with the memory includes rom boot loading procedure, user's bootstrap loader, universal guiding loading procedure
And kernel, each target program include user's bootstrap loader, universal guiding loading procedure and kernel, the user draws
Lead loading procedure, universal guiding loading procedure and kernel checking algorithm and with outskirt data storage method be revised as with it is described
Rom boot loading procedure is identical.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105988887A (en) * | 2015-01-31 | 2016-10-05 | 深圳市硅格半导体有限公司 | Memory card data processing system and memory card data processing method |
| CN105516806B (en) * | 2015-12-08 | 2019-08-27 | 广东长虹电子有限公司 | A kind of method that TV chip makes firmware updating automatically |
| CN107704247B (en) * | 2017-10-23 | 2020-06-05 | 广州慧睿思通信息科技有限公司 | Method for reducing size of multi-core firmware |
| CN109144554B (en) * | 2018-06-21 | 2022-07-08 | 深圳和而泰数据资源与云技术有限公司 | Firmware upgrading method, related equipment, system and medium |
| CN109614279B (en) * | 2018-12-07 | 2022-03-15 | 陕西瑞迅电子信息技术有限公司 | Industrial personal computer self-checking system and control method thereof and related equipment |
| CN111352641B (en) * | 2020-02-26 | 2024-02-13 | 深圳忆联信息系统有限公司 | Automatic packing method, apparatus, computer device and storage medium by batch processing |
| CN111988140B (en) * | 2020-08-20 | 2023-04-18 | 四川爱联科技股份有限公司 | Key management method, system and terminal for Internet of things module |
| CN113794589B (en) * | 2021-08-31 | 2023-11-07 | 新华三技术有限公司成都分公司 | Packaging method of AC firmware, upgrading method of AP and AC |
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