CN108399076A - A kind of firmware update and device based on UEFI - Google Patents
A kind of firmware update and device based on UEFI Download PDFInfo
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- CN108399076A CN108399076A CN201810174608.4A CN201810174608A CN108399076A CN 108399076 A CN108399076 A CN 108399076A CN 201810174608 A CN201810174608 A CN 201810174608A CN 108399076 A CN108399076 A CN 108399076A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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Abstract
The invention discloses a kind of firmware update and device based on UEFI, including：It loads UEFI shell and in-line memory is accessed by UEFI shell；It reads the storage medium of in-line memory and identifies storage file system；Firmware update is written in storage medium for instruction by updating firmware；Whether verification firmware update is correctly written in.The present invention can update the firmware of embedded controller based on UEFI.
Description
Technical field
The present invention relates to computer realms, and more particularly, to a kind of firmware update and dress based on UEFI
It sets.
Background technology
BIOS (basic input output system) is used as the essential firmware program of firmware layer, be after computer starting first
The program of execution provides the bottom, most direct hardware controls for computer.UEFI (unified Extensible Firmware Interface) is new
The BIOS standards of a generation, define the interface specification between operating system and hardware platform firmware.Its appearance not only changes
The Starting mode of traditional BIOS, solves the problems such as traditional BIOS is difficult to extend, and provide the user convenient bottom and open
Hair ring border.EC (embedded controller) is 16 microcontrollers, its inside itself also has the Flash of certain capacity to store EC
Code.EC firmwares can not be updated at the BIOS of UEFI standards in the prior art.
The problem of for that can not update EC firmwares at the BIOS of UEFI standards in the prior art, there has been no effective at present
Solution.
Invention content
In view of this, the purpose of the embodiment of the present invention is to propose a kind of firmware update and device based on UEFI,
The firmware of embedded controller can be updated based on UEFI.
Based on above-mentioned purpose, the one side of the embodiment of the present invention provides a kind of firmware update based on UEFI, packet
Include following steps：
It loads UEFI shell and in-line memory is accessed by UEFI shell；
It reads the storage medium of in-line memory and identifies storage file system；
Firmware update is written in storage medium for instruction by updating firmware；
Whether verification firmware update is correctly written in.
In some embodiments, 66/62 end of in-line memory is accessed by the I/O read write commands of UEFI shell
Mouthful, wherein connected using lpc bus between 66/62 port and BIOS of in-line memory.
In some embodiments, the storage medium of in-line memory is flash chip, flash chip with it is embedded
Memory is connected by SPI.
In some embodiments, the instruction for updating firmware includes calling openECFile (), WriteECCommond
() and TransferECFile () function, wherein openECFile () are used to read file, WriteECCommond () is used for
Instruction and TransferECFile () are sent for transmitting data to EC.
In some embodiments, by firmware update be written storage medium in when also call boolRefreshFlash () and
DownloadFlash () function, wherein boolRefreshFlash () instruct update and DownloadFlash for identification
() updates for Flash.
In some embodiments, if firmware update is correctly written in, calling restarts function and restarts system, otherwise rolls back to
Version before update.
The another aspect of the embodiment of the present invention additionally provides a kind of firmware updating device based on UEFI, has used above-mentioned
Method.
The another aspect of the embodiment of the present invention additionally provides a kind of computer equipment, including memory, at least one processing
On a memory and the computer program that can run on a processor, when processor execution program, executes above-mentioned for device and storage
Method.
The another aspect of the embodiment of the present invention additionally provides a kind of computer readable storage medium, computer-readable storage
Media storage has computer program, and above-mentioned method is executed when computer program is executed by processor.
The another aspect of the embodiment of the present invention, additionally provides a kind of computer program product, and computer program product includes
The calculation procedure being stored on computer readable storage medium, calculation procedure include instruction, when executed by the processor, are made
Computer executes the above method.
The present invention has following advantageous effects：Firmware update provided in an embodiment of the present invention based on UEFI with
Device accesses in-line memory, reads storage medium and identifies storage file system, by firmware by loading UEFI shell
In update write-in storage medium, the technological means whether firmware update is correctly written in is verified, it is embedded that UEFI updates can be based on
The firmware of controller.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the required attached drawing of embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the flow diagram of the firmware update provided by the invention based on UEFI；
Fig. 2 is the detail flowchart of the firmware update provided by the invention based on UEFI；
Fig. 3 is the module diagram of the firmware updating device provided by the invention based on UEFI；
Fig. 4 is an implementation of the computer equipment of the firmware update based on UEFI described in execution provided by the invention
The hardware architecture diagram of example.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
The embodiment of the present invention is further described in attached drawing.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Based on above-mentioned purpose, the first aspect of the embodiment of the present invention, it is proposed that a kind of firmware update based on UEFI
Method.Fig. 1 shows the flow diagram of the firmware update provided by the invention based on UEFI.
The firmware update based on UEFI, includes the following steps：
Step S101 loads UEFI shell and accesses in-line memory by UEFI shell；
Step S103 reads the storage medium of in-line memory and identifies storage file system；
Firmware update is written in storage medium for step S105, the instruction by updating firmware；
Whether step S107, verification firmware update are correctly written in.
UEFI Shell are the interactive order line Shell environment that EFI is provided, as user and UEFI systems it
Between an interface.UEFI Shell provide good scalability, can execute the instruction of needs, such as firmware update side
The LOADEC instructions that method uses.
In some embodiments, embedded storage is accessed by I/O (input/output) read write command of UEFI shell
66/62 port of device is connected wherein between 66/62 port and BIOS of in-line memory using LPC (low pin count) bus.
In some embodiments, the storage medium of in-line memory is flash chip, flash chip with it is embedded
Memory is connected by SPI (Serial Peripheral Interface (SPI)).
In some embodiments, the instruction for updating firmware includes calling openECFile (), WriteECCommond
() and TransferECFile () function, wherein openECFile () are used to read file, WriteECCommond () is used for
Instruction and TransferECFile () are sent for transmitting data to EC.
In some embodiments, by firmware update be written storage medium in when also call boolRefreshFlash () and
DownloadFlash () function, wherein boolRefreshFlash () instruct update and DownloadFlash for identification
() updates for Flash.
In some embodiments, if firmware update is correctly written in, calling restarts function and restarts system, otherwise rolls back to
Version before update.
Detailed embodiment flow chart of the present invention is shown in Fig. 2.EC is communicated by lpc bus with bridge piece, and UEFI passes through I/O
Read write command accesses 66/62 port on EC chips, is mounted firmware update to EC according to the 66/62 of EC read-write rule
In Flash chip.First passing through the order notice EC write is the instruction of a update firmware, then newer content will be needed by putting
Enter the caching of EC, then EC will be cached and FLASH is written by SPI.The characteristics of according to EC chips, is put into data cached big every time
It is small can be different.
From above-described embodiment as can be seen that the firmware update provided in an embodiment of the present invention based on UEFI, by adding
UEFI shell are carried to access in-line memory, read storage medium and identify storage file system, deposit firmware update write-in
In storage media, the technological means whether firmware update is correctly written in is verified, consolidating for embedded controller can be updated based on UEFI
Part.
It is important to note that each step in each embodiment of the above-mentioned firmware update based on UEFI is equal
It can intersect, replace, increase, delete, therefore, these rational permutation and combination become alternatively in the firmware update based on UEFI
Method should also be as belonging to the scope of protection of the present invention, and protection scope of the present invention should not be confined to the embodiment it
On.
Based on above-mentioned purpose, the second aspect of the embodiment of the present invention, it is proposed that a kind of firmware update based on UEFI
Device.The firmware updating device based on UEFI shown in Fig. 3 has used the above-mentioned firmware update based on UEFI.
From above-described embodiment as can be seen that the firmware updating device provided in an embodiment of the present invention based on UEFI, by adding
UEFI shell are carried to access in-line memory, read storage medium and identify storage file system, deposit firmware update write-in
In storage media, the technological means whether firmware update is correctly written in is verified, consolidating for embedded controller can be updated based on UEFI
Part.
It is important to note that the embodiment of the above-mentioned firmware updating device based on UEFI uses and described is based on UEFI
The embodiment of firmware update illustrate the course of work of each module, those skilled in the art can be easy to think
It arrives, it will be in the other embodiment of these module applications to the firmware update based on UEFI.Certainly, it is based on due to described
Each step in the firmware update embodiment of UEFI can be intersected, replaces, increases, be deleted, therefore, these conjunctions
The permutation and combination change of reason alternatively should also be as belonging to the scope of protection of the present invention in the firmware updating device based on UEFI, and
Protection scope of the present invention should not be confined on the embodiment.
Based on above-mentioned purpose, in terms of the third of the embodiment of the present invention, it is proposed that consolidating based on UEFI described in a kind of execution
One embodiment of the computer equipment of part update method.
It is described execute the firmware update based on UEFI computer equipment include memory, at least one processor with
And the computer program that can be run on a memory and on a processor is stored, processor executes above-mentioned any one when executing program
Kind method.
As shown in figure 4, being the computer equipment of the firmware update based on UEFI described in execution provided by the invention
The hardware architecture diagram of one embodiment.
Include a processor 401 and one in the computer equipment by taking computer equipment as shown in Figure 4 as an example
Memory 402, and can also include：Input unit 403 and output device 404.
Processor 401, memory 402, input unit 403 and output device 404 can pass through bus or other modes
It connects, in Fig. 4 for being connected by bus.
Memory 402 is used as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Sequence, non-volatile computer executable program and module, the firmware update based on UEFI as described in the embodiment of the present application
Corresponding program instruction/the module of method.Processor 401 by operation be stored in non-volatile software program in memory 402,
Instruction and module, the various function application to execute server and data processing, that is, realize above method embodiment
Firmware update based on UEFI.
Memory 402 may include storing program area and storage data field, wherein storing program area can store operation system
System, the required application program of at least one function；Storage data field can be stored according to the firmware updating device based on UEFI
Use created data etc..In addition, memory 402 may include high-speed random access memory, can also include non-volatile
Property memory, a for example, at least disk memory, flush memory device or other non-volatile solid state memory parts.At some
In embodiment, it includes the memory remotely located relative to processor 401 that memory 402 is optional, these remote memories can be with
Pass through network connection to local module.The example of above-mentioned network includes but not limited to internet, intranet, LAN, shifting
Dynamic communication network and combinations thereof.
Input unit 403 can receive the number or character information of input, and generates and filled with the firmware update based on UEFI
The related key signals input of user setting and function control set.Output device 404 may include that display screen etc. shows equipment.
Corresponding program instruction/the module of one or more of firmware updates based on UEFI is stored in described deposit
In reservoir 402, when being executed by the processor 401, the firmware based on UEFI in above-mentioned any means embodiment is executed more
New method.
It is described execute the firmware update based on UEFI computer equipment any one embodiment, can reach with
The identical or similar effect of corresponding aforementioned any means embodiment.
Based on above-mentioned purpose, the 4th aspect of the embodiment of the present invention, it is proposed that a kind of computer readable storage medium, institute
Stating computer-readable recording medium storage has computer program, which can perform above-mentioned arbitrary when being executed by processor
Firmware update based on UEFI in embodiment of the method with realize in above-mentioned any device/system embodiment based on UEFI
Firmware updating device/system.The embodiment of the computer readable storage medium can reach corresponding aforementioned arbitrary
The identical or similar effect of method and apparatus/system embodiment.
Based on above-mentioned purpose, the 5th aspect of the embodiment of the present invention, it is proposed that a kind of computer program product, the calculating
Machine program product includes the calculation procedure being stored on computer readable storage medium, which includes instruction, when this
When instruction is computer-executed, the computer is made to execute the firmware update based on UEFI in above-mentioned any means embodiment
With firmware updating device/system based on UEFI in the above-mentioned any device/system embodiment of realization.The computer program production
The embodiment of product can reach the corresponding aforementioned any means effect identical or similar with device/system embodiment
Fruit.
Finally, it should be noted that one of ordinary skill in the art will appreciate that realizing the whole in above-described embodiment method
Or part flow, it can be completed by computer program to instruct related hardware, the program can be stored in a computer
In read/write memory medium, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described
Storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) or random access memory
(Random Access Memory, RAM) etc..The embodiment of the computer program can reach corresponding aforementioned
The identical or similar effect of embodiment of the method for anticipating.
In addition, typically, it can be various electric terminal equipments, example that the embodiment of the present invention, which discloses described device, equipment etc.,
Such as mobile phone, personal digital assistant (PDA), tablet computer (PAD), smart television, can also be large-scale terminal device, such as service
Device etc., therefore protection domain disclosed by the embodiments of the present invention should not limit as certain certain types of device, equipment.The present invention is real
Apply example disclose the client can be applied to the combining form of electronic hardware, computer software or both it is above-mentioned arbitrary
In a kind of electric terminal equipment.
In addition, disclosed method is also implemented as the computer program executed by CPU according to embodiments of the present invention, it should
Computer program can store in a computer-readable storage medium.When the computer program is executed by CPU, the present invention is executed
The above-mentioned function of being limited in method disclosed in embodiment.
In addition, above method step and system unit can also utilize controller and for storing so that controller is real
The computer readable storage medium of the computer program of existing above-mentioned steps or Elementary Function is realized.
In addition, it should be appreciated that computer readable storage medium (for example, memory) as described herein can be volatile
Property memory or nonvolatile memory, or may include both volatile memory and nonvolatile memory.As example
And not restrictive, nonvolatile memory may include read-only memory (ROM), programming ROM (PROM), electrically programmable to son
ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory.Volatile memory may include arbitrary access
Memory (RAM), the RAM can serve as external cache.As an example and not restrictive, RAM can be with more
Kind form obtains, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM
(DDR SDRAM), enhancing SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and directly Rambus RAM (DRRAM).
The storage device of disclosed aspect is intended to the memory of including but not limited to these and other suitable type.
Those skilled in the art will also understand is that, various illustrative logical blocks, mould in conjunction with described in disclosure herein
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, with regard to various exemplary components, square, module, circuit and step function to its into
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
To the design constraint of whole system.Those skilled in the art can in various ways realize described for each concrete application
Function, but this realization decision should not be interpreted as causing a departure from range disclosed by the embodiments of the present invention.
Various illustrative logical blocks, module and circuit in conjunction with described in disclosure herein can be utilized and be designed to
The following component of function described here is executed to realize or execute：General processor, digital signal processor (DSP), special collection
At circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, divide
Any combinations of vertical hardware component or these components.General processor can be microprocessor, but alternatively, processing
Device can be any conventional processors, controller, microcontroller or state machine.Processor can also be implemented as computing device
Combination, for example, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessors combination DSP and/or any
Other this configurations.
The step of method in conjunction with described in disclosure herein or algorithm, can be directly contained in hardware, be held by processor
In capable software module or in combination of the two.Software module may reside within RAM memory, flash memory, ROM storages
Device, eprom memory, eeprom memory, register, hard disk, removable disk, CD-ROM or known in the art it is any its
In the storage medium of its form.Illustrative storage medium is coupled to processor so that processor can be from the storage medium
Information is written to the storage medium in middle reading information.In an alternative, the storage medium can be with processor collection
At together.Pocessor and storage media may reside in ASIC.ASIC may reside in user terminal.It is replaced at one
In scheme, pocessor and storage media can be used as discrete assembly resident in the user terminal.
In one or more exemplary designs, the function can be real in hardware, software, firmware or its arbitrary combination
It is existing.If realized in software, can be stored in using the function as one or more instruction or code computer-readable
It is transmitted on medium or by computer-readable medium.Computer-readable medium includes computer storage media and communication media,
The communication media includes any medium for helping computer program being transmitted to another position from a position.Storage medium
It can be any usable medium that can be accessed by a general purpose or special purpose computer.As an example and not restrictive, the computer
Readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disc memory apparatus, disk storage equipment or other magnetic
Property storage device, or can be used for carry or storage form be instruct or data structure required program code and can
Any other medium accessed by general or specialized computer or general or specialized processor.In addition, any connection can
It is properly termed as computer-readable medium.For example, if using coaxial cable, optical fiber cable, twisted-pair feeder, digital subscriber line
(DSL) or such as wireless technology of infrared ray, radio and microwave to send software from website, server or other remote sources,
Then above-mentioned coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as wireless technology of infrared ray, radio and microwave are included in
The definition of medium.As used herein, disk and CD include compact disk (CD), laser disk, CD, digital versatile disc
(DVD), floppy disk, Blu-ray disc, wherein disk usually magnetically reproduce data, and CD using laser optics reproduce data.On
The combination for stating content should also be as being included in the range of computer-readable medium.
It is exemplary embodiment disclosed by the invention above, it should be noted that in the sheet limited without departing substantially from claim
Under the premise of inventive embodiments scope of disclosure, it may be many modifications and change.According to open embodiment described herein
The function of claim to a method, step and/or action be not required to execute with any particular order.In addition, although the present invention is implemented
Element can be described or be required in the form of individual disclosed in example, but be odd number unless explicitly limited, it is understood that be multiple.
It should be understood that it is used in the present context, unless context clearly supports exception, singulative " one
It is a " (" a ", " an ", " the ") be intended to also include plural form.It is to be further understood that "and/or" used herein is
Finger includes one or the arbitrary and all possible combinations of more than one project listed in association.
It is for illustration only that the embodiments of the present invention disclose embodiment sequence number, can not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that range disclosed by the embodiments of the present invention (including claim) is limited to these examples；In the think of of the embodiment of the present invention
Under road, it can also be combined between the technical characteristic in above example or different embodiments, and exist as described above
Many other variations of the different aspect of the embodiment of the present invention, for simplicity, they are not provided in details.Therefore, all at this
Within the spirit and principle of inventive embodiments, any omission, modification, equivalent replacement, improvement for being made etc. should be included in this hair
Within the protection domain of bright embodiment.
Claims (10)
1. a kind of firmware update based on UEFI, which is characterized in that include the following steps：
It loads UEFI shell and in-line memory is accessed by the UEFI shell；
It reads the storage medium of the in-line memory and identifies storage file system；
Firmware update is written in the storage medium for instruction by updating firmware；
Verify whether the firmware update is correctly written in.
2. according to the method described in claim 1, it is characterized in that, the I/O read write commands by the UEFI shell access
66/62 port of the in-line memory, wherein using LPC between 66/62 port of the in-line memory and BIOS
Bus connects.
3. according to the method described in claim 2, it is characterized in that, the storage medium of the in-line memory is flash cores
Piece, the flash chip are connect with the in-line memory by SPI.
4. according to the method described in claim 1, it is characterized in that, the instruction of the update firmware includes calling openECFile
(), WriteECCommond () and TransferECFile () function, wherein openECFile () for read file,
WriteECCommond () is used to send instruction and TransferECFile () for transmitting data to EC.
5. according to the method described in claim 4, it is characterized in that, when the firmware update is written in the storage medium also
Call boolRefreshFlash () and DownloadFlash () function, wherein boolRefreshFlash () for identification
Instruction update and DownloadFlash () are updated for Flash.
6. if according to the method described in claim 1, it is characterized in that, the firmware update is correctly written in, calling restarts letter
Number restarts system, otherwise rolls back to the version before update.
7. a kind of firmware updating device based on UEFI, which is characterized in that use side as claimed in any one of claims 1 to 6
Method.
8. a kind of computer equipment, including memory, at least one processor and it is stored on the memory and can be in institute
State the computer program run on processor, which is characterized in that the processor executes such as claim when executing described program
Method described in 1-6 any one.
9. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In perform claim requires the method described in 1-6 any one when the computer program is executed by processor.
10. a kind of computer program product, which is characterized in that the computer program product includes being stored in computer-readable deposit
Calculation procedure on storage media, the calculation procedure include instruction, when described instruction is computer-executed, make the computer
Perform claim requires the method described in 1-6 any one.
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| CN109634581A (en) * | 2018-11-08 | 2019-04-16 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of date storage method based on STM32F103ZET6 and eMMC card |
| CN109634581B (en) * | 2018-11-08 | 2022-01-04 | 中国航空工业集团公司洛阳电光设备研究所 | Data storage method based on STM32F103ZET6 and eMMC card |
| CN110134423A (en) * | 2019-04-19 | 2019-08-16 | 南京南瑞继保电气有限公司 | Update method, device and the computer readable storage medium of firmware |
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