CN109032678A - The method for controlling the method, apparatus of BIOS type information amount, medium and type information - Google Patents
The method for controlling the method, apparatus of BIOS type information amount, medium and type information Download PDFInfo
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- CN109032678A CN109032678A CN201810799651.XA CN201810799651A CN109032678A CN 109032678 A CN109032678 A CN 109032678A CN 201810799651 A CN201810799651 A CN 201810799651A CN 109032678 A CN109032678 A CN 109032678A
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- 238000000034 method Methods 0.000 title claims abstract description 88
- 238000007639 printing Methods 0.000 claims abstract description 92
- 238000004590 computer program Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a kind of methods of method, apparatus for controlling BIOS type information amount, medium and type information, including controlling printing level parameters required for SCRATCH register storage current scene in advance so that the printf of BIOS is inquired；Acquisition includes the IO read-write requests of specified address；After the printing level parameters and reading that BIOS inquiry SCRATCH register stores specify address, information corresponding with printing level parameters is received.It can be seen that the printing level parameters being adapted with current scene are stored in SCRATCH register, so that adaptable information content can be exported according to the printing level parameters in BIOS operation, so as to avoid the problem of bios version is brought is refreshed.In addition, this method is not take up system resource on software, improves the maintainability of system without increasing additional hardware.
Description
Technical field
The present invention relates to server technology field, more particularly to a kind of method, apparatus for controlling BIOS type information amount,
The method of medium and type information.
Background technique
BIOS (Basic Input Output System) is one group and is cured in computer a rom chip on mainboard
On program, self-check program and system self-starting after the program of its in store most important basic input and output of computer, booting
Program, it can from CMOS read-write system be arranged specifying information.Its major function is that the bottom, most straight is provided for computer
The hardware setting and control connect.
A critical function of BIOS is to cooperate to realize type information to indicate starting letter with BMC (substrate manager)
Breath.Specifically: South Bridge chip is connect with BMC by lpc bus, and the UART (UART Universal Asynchronous Receiver Transmitter) in BMC receives total by LPC
What line was sent includes the IO read-write requests of specified address, and BIOS specifies address by reading the request, then in conjunction with working as
Rank is printed as defined in preceding version, by the information printing of the input/output port register of specified address to export to UART, most
Eventually by being exported on UART.Rank is printed as defined in it since each bios version has, these printing ranks are to adapt to not
Same application scenarios, such as debugging development phase need to print more information, and practical stage needs to print less information,
System at regular intervals needs to print more information when safeguarding, therefore, needs frequently to refresh for different application scenarios in the prior art
Bios version causes use process relatively complicated.
It can be seen that how to provide a kind of conveniently method with the type information amount for controlling BIOS is art technology
Personnel's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of method, apparatus for controlling BIOS type information amount, medium and type informations
Method, this method is it is possible to prevente effectively from frequently refresh bios version, operating process, that is, convenient and without increasing additional hardware equipment,
But also it is not take up system resource.
In order to solve the above technical problems, the present invention provides a kind of method for controlling BIOS type information amount, it is applied to BMC,
Include:
BIOS starting before, in advance control SCRATCH register storage current scene required for printing level parameters with
Just the printf inquiry of BIOS；
Obtain by lpc bus send include specified address IO read-write requests；
When BIOS inquires the printing level parameters of the SCRATCH register storage and reads the specified address
Afterwards, the information of input/output port register corresponding with the printing level parameters is received.
Preferably, the rank of the printing level parameters is specifically divided into 3-5 rank.
Preferably, further includes:
The corresponding relationship of the printing level parameters and information content is stored in advance；
Judge whether the amount of the information of the input/output port register received meets the corresponding relationship；
If it is not, then warning note, if it is, terminating.
Preferably, after warning note, further includes:
Judge whether the printing level parameters of the SCRATCH register storage are correct；
If it is not, then modify the printing level parameters, and returns and described obtain that sent by lpc bus includes specified
The step of IO read-write requests of address.
In order to solve the above technical problems, being applied to the present invention also provides a kind of device for controlling BIOS type information amount
BMC, comprising:
Control module is beaten required for SCRATCH register storage current scene for being controlled before BIOS starting in advance
Level parameters are printed so that the printf of BIOS is inquired；
Obtain module, for obtains by lpc bus transmission include specified address IO read-write requests；
Receiving module, for inquiring the printing level parameters of the SCRATCH register storage as BIOS and reading
Behind the specified address, the information of input/output port register corresponding with the printing level parameters is received.
Preferably, further includes:
Memory module, for the corresponding relationship of the printing level parameters and information content to be stored in advance；
First judgment module, for judging whether the amount of information of the input/output port register received meets
The corresponding relationship；
Alarm module, for the judging result in the first judgment module be it is no when, warning note.
Preferably, further includes:
Whether the second judgment module, the printing level parameters for judging the SCRATCH register storage are correct；
Modified module modifies the printing level parameters for triggering the memory module, and triggers the acquisition module.
In order to solve the above technical problems, the present invention also provides a kind of device for controlling BIOS type information amount, including storage
Device, for storing computer program；
Processor realizes the side of control BIOS type information amount as described above when for executing the computer program
The step of method.
In order to solve the above technical problems, the present invention also provides a kind of computer readable storage medium, it is described computer-readable
Computer program is stored on storage medium, the computer program realizes control as described above when being executed by processor
The step of method of BIOS type information amount.
In order to solve the above technical problems, the present invention also provides a kind of methods of BIOS type information, comprising:
BMC get by lpc bus send include specified address IO read-write requests after, inquiry SCRATCH post
Level parameters are printed required for the current scene stored in storage；
The specified address is read, and exports the letter of input/output port register corresponding with the printing level parameters
Breath.
The method of control BIOS type information amount provided by the present invention controls SCRATCH in advance and posts before BIOS starting
Storage stores printing level parameters required for current scene so that the printf of BIOS is inquired；Acquisition is sent by lpc bus
Include specified address IO read-write requests；When BIOS inquires the printing level parameters of SCRATCH register storage and reads
Behind specified address, the information of input/output port register corresponding with printing level parameters is received.It can be seen that in this method
In, the characteristic that can be also read by BMC can either be read by BIOS using SCRATCH register, deposited in SCRATCH register
The printing level parameters being adapted with current scene are contained, so that printf can be according to SCRATCH in BIOS operation
The adaptable information content of the printing level parameters output stored in register, is asked so as to avoid bios version bring is refreshed
Topic.In addition, this method is easily realized, without increasing additional hardware equipment, it is not take up system resource on software, improve system can
Maintainability.
Finally, the method for the device of control BIOS type information amount provided by the present invention, storage medium and type information,
Equally there is said effect.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of method for controlling BIOS type information amount provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the method for another control BIOS type information amount provided in an embodiment of the present invention；
Fig. 3 is a kind of structure chart of device for controlling BIOS type information amount provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of the method for BIOS type information provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Core of the invention is to provide a kind of method, apparatus of BIOS type information amount, medium and type information of controlling
Method, this method is it is possible to prevente effectively from frequently refresh bios version, operating process, that is, convenient and without increasing additional hardware equipment,
But also it is not take up system resource.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is a kind of flow chart of method for controlling BIOS type information amount provided in an embodiment of the present invention.This method is answered
It for BMC, is specifically executed by BMC, as shown in Figure 1, including: to method
S10: before BIOS starting, printing rank ginseng required for SCRATCH register storage current scene is controlled in advance
Number is inquired so as to the printf of BIOS.
UART is generally integrated in BMC in server, and BMC and BIOS pass through different modes and can read and write same hardware
Register on UART.In UART register other than the function registers such as control character parameter are provided, it is interim to be also reserved with one
Register SCRATCH, this register is unrelated with hardware capability, can be read and write by BIOS and BMC.
The application exactly presets in SCRATCH register and prints level parameters required for current scene, such as
Current scene is the debugging development phase, needs to print more information, then the rank for printing level parameters setting is higher, works as front court
Scape is practical stage, needs to print less information, then the rank for printing level parameters setting is lower, and current scene is system
Periodic maintenance, needs to print more information, then prints the rank highest of level parameters setting.In conclusion printing level parameters
Rank reacted final output to UART information content number.It should be noted that the printing level parameters in this step
It can be repeated no more with reference to the relative parameters setting in different bios versions in the prior art, specific value.It is preferably real
Mode is applied, the rank for printing level parameters is specifically divided into 3-5 rank.It should be noted that the number of rank has no effect on this
The implementation of method.
After storing printing level parameters in SCRATCH register, the printing letter when BIOS brings into operation, in BIOS
Number will inquire the printing level parameters stored in SCRATCH register, and the information content of printing is then determined according to this parameter
Number.It when replacing different scenes, does not need to refresh BIOS, but only that in modification SCRATCH register
The printing level parameters of storage.
S11: obtain by lpc bus send include specified address IO read-write requests.
Here lpc bus refers to that the bus that BMC is connect with south bridge, IO read-write requests pass through lpc bus from south bridge
It is input to the UART of BMC.
S12: when BIOS inquiry SCRATCH register storage printing level parameters and after read specified address, receive with
Print the information of the corresponding input/output port register of level parameters.
It should be noted that the execution method in this step be it is same as the prior art, the UART in BMC passes through LPC
Bus receives the I/O Request comprising specified address, and then BIOS starts, thus value and specified address according to SCRATCH register
The information for needing to print is obtained, the UART into BMC is finally exported.In specific implementation, information is specifically character information.
The method of control BIOS type information amount provided in this embodiment controls SCRATCH in advance and posts before BIOS starting
Storage stores printing level parameters required for current scene so that the printf of BIOS is inquired；Acquisition is sent by lpc bus
Include specified address IO read-write requests；When BIOS inquires the printing level parameters of SCRATCH register storage and reads
Behind specified address, the information of input/output port register corresponding with printing level parameters is received.It can be seen that in this method
In, the characteristic that can be also read by BMC can either be read by BIOS using SCRATCH register, deposited in SCRATCH register
The printing level parameters being adapted with current scene are contained, so that printf can be according to SCRATCH in BIOS operation
The adaptable information content of the printing level parameters output stored in register, is asked so as to avoid bios version bring is refreshed
Topic.In addition, this method is easily realized, without increasing additional hardware equipment, it is not take up system resource on software, improve system can
Maintainability.
Fig. 2 is the flow chart of the method for another control BIOS type information amount provided in an embodiment of the present invention.Such as Fig. 2 institute
Show, on the basis of a upper embodiment, further includes:
S20: the corresponding relationship of printing level parameters and information content is stored in advance.
S21: judging whether the amount of the information of the input/output port register received meets corresponding relationship, if not,
Then enter S22, if it is, terminating.
S22: warning note.
It is that its printf fails correctly to read SCRATCH register in BIOS operational process in order to prevent in the present embodiment
The problem of printing level parameters of storage, therefore, it is necessary to which the corresponding information content of every kind of printing level parameters is stored in advance, thus shape
At multiple groups corresponding relationship.If the amount for the information being currently received is not met with corresponding relationship, for example, currently printing level parameters
Corresponding information content is more, and the amount of the information received then illustrates that whole implementation procedure has exception less than the information content.
It should be noted that the warning note in the present embodiment can be there are many mode, for example, by showing over the display
Show error code, to remind operation maintenance personnel.
In addition, being only a kind of concrete application scene in Fig. 2, step S20 can be walked in any one before S21
Suddenly, it is not necessarily to execute after S12, as long as S21 is executed after S12.
On the basis of a upper embodiment, after warning note, further includes:
S23: judging whether the printing level parameters of SCRATCH register storage are correct, if it is not, then into S24, if
It is then to return to S22.
S24: modification printing level parameters, and return to S11.
Due to being likely to occur exception during storage prints level parameters, cause to be ultimately stored on SCRATCH deposit
Printing level parameters on device are not the corresponding parameter of current scene, therefore, further ensure that printing grade in this step
There is no problem for other parameter itself, has carried out primary judgement, if printing level parameters are correctly, to illustrate to be other links
The problem of, then still to carry out warning note.
It is described in detail above for the corresponding embodiment of method of control BIOS type information amount, the present invention is real
It applies example and the embodiment of device corresponding with this method is also provided.It should be noted that the present invention is from two angles to device part
Embodiment be described, one is the angle based on functional module, another kind is hardware based angle.
Fig. 3 is a kind of structure chart of device for controlling BIOS type information amount provided in an embodiment of the present invention.The device is answered
For BMC, as shown in figure 3, the device includes:
Control module 10, for before BIOS starting, controlling in advance required for SCRATCH register storage current scene
Level parameters are printed so that the printf of BIOS is inquired；
Obtain module 11, for obtains by lpc bus transmission include specified address IO read-write requests；
Receiving module 12, for the printing level parameters and the specified ground of reading when BIOS inquiry SCRATCH register storage
Behind location, the information of input/output port register corresponding with printing level parameters is received.
Preferably embodiment, further includes:
Memory module, for the corresponding relationship of printing level parameters and information content to be stored in advance；
Whether the amount of first judgment module, the information of the input/output port register for judging to receive meets correspondence
Relationship；
Alarm module, for the judging result in first judgment module be it is no when, warning note.
Preferably embodiment, further includes:
Whether the second judgment module, the printing level parameters for judging the storage of SCRATCH register are correct；
Modified module for triggering memory module modification printing level parameters, and triggers and obtains module 11.
Since the embodiment of device part is corresponded to each other with the embodiment of method part, the embodiment of device part is asked
Referring to the description of the embodiment of method part, wouldn't repeat here.
The device of control BIOS type information amount provided in this embodiment controls SCRATCH in advance and posts before BIOS starting
Storage stores printing level parameters required for current scene so that the printf of BIOS is inquired；Acquisition is sent by lpc bus
Include specified address IO read-write requests；When BIOS inquires the printing level parameters of SCRATCH register storage and reads
Behind specified address, the information of input/output port register corresponding with printing level parameters is received.It can be seen that in the present apparatus
In, the characteristic that can be also read by BMC can either be read by BIOS using SCRATCH register, deposited in SCRATCH register
The printing level parameters being adapted with current scene are contained, so that printf can be according to SCRATCH in BIOS operation
The adaptable information content of the printing level parameters output stored in register, is asked so as to avoid bios version bring is refreshed
Topic.In addition, this method is easily realized, without increasing additional hardware equipment, it is not take up system resource on software, improve system can
Maintainability.
The device of another control BIOS type information amount provided by the invention, including memory, for storing computer
Program；
Processor, the control BIOS type information amount as described in above-described embodiment is realized when for executing computer program
The step of method.
Since the embodiment of device part is corresponded to each other with the embodiment of method part, the embodiment of device part is asked
Referring to the description of the embodiment of method part, wouldn't repeat here.In some embodiments of the invention, processor and memory
It can be connected by bus or other means.
The device of control BIOS type information amount provided in this embodiment, including memory and processor, processor are being held
When the computer program of line storage storage, following method can be realized: before BIOS starting, controlling SCRATCH deposit in advance
Device stores printing level parameters required for current scene so that the printf of BIOS is inquired；What acquisition was sent by lpc bus
It include the IO read-write requests of specified address；Refer to when BIOS inquires the printing level parameters of SCRATCH register storage and reads
After determining address, the information of input/output port register corresponding with printing level parameters is received.It can be seen that in this method
In, the characteristic that can be also read by BMC can either be read by BIOS using SCRATCH register, deposited in SCRATCH register
The printing level parameters being adapted with current scene are contained, so that printf can be according to SCRATCH in BIOS operation
The adaptable information content of the printing level parameters output stored in register, is asked so as to avoid bios version bring is refreshed
Topic.In addition, this method is easily realized, without increasing additional hardware equipment, it is not take up system resource on software, improve system can
Maintainability.
The present invention also provides a kind of computer readable storage mediums, wherein meter is stored on computer readable storage medium
Calculation machine program realizes the side of the control BIOS type information amount as described in above-described embodiment when computer program is executed by processor
The step of method.
It is understood that if the method in above-described embodiment is realized in the form of SFU software functional unit and as independence
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention
Technical solution substantially all or part of the part that contributes to existing technology or the technical solution can be in other words
It is expressed in the form of software products, which is stored in a storage medium, and it is each to execute the present invention
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk
Etc. the various media that can store program code.
Since the present embodiment is corresponded to each other with the embodiment of method part, the embodiment of this part refers to method portion
The description for the embodiment divided, wouldn't repeat here.
The method that computer-readable recording medium storage provided in this embodiment has control BIOS type information amount, in BIOS
Before starting, printing level parameters required for SCRATCH register storage current scene are controlled in advance so as to the printing letter of BIOS
Number inquiry；Obtain by lpc bus send include specified address IO read-write requests；When BIOS inquires SCRATCH register
The printing level parameters of storage and after reading specified address, receive input/output port register corresponding with level parameters are printed
Information.It can be seen that in the method, can either be read by BIOS using SCRATCH register also can be by BMC reading
Characteristic is stored with the printing level parameters being adapted with current scene in SCRATCH register, so that in BIOS operation,
The information content that its printf can be adapted according to the printing level parameters output stored in SCRATCH register, to keep away
The problem of refreshing bios version is brought is exempted from.In addition, this method is easily realized, without increasing additional hardware equipment, do not accounted on software
With system resource, the maintainability of system is improved.
Finally, in fact the embodiment is held from different the present invention also provides a kind of method of BIOS type information
The angle of row main body is described, and method corresponding with BMC is based on is corresponding.This method comprises:
S30: BMC get by lpc bus send include specified address IO read-write requests after, inquiry
Level parameters are printed required for the current scene stored in SCRATCH register.
S31: reading specified address, and exports the information of input/output port register corresponding with printing level parameters.
It is understood that inquiring the printing level parameters stored in SCRATCH register in step S30 and needing in advance
Printing level parameters are written into SCRATCH register.This with the method based on BMC be it is corresponding, detailed process referring to
Description above.
Since the embodiment of this part is corresponded to each other with the embodiment of method part, the embodiment of this part is referred to
The description of the embodiment of method part wouldn't repeat here.
The method of BIOS type information provided in this embodiment, it includes specified for getting in BMC by lpc bus transmission
After the IO read-write requests of address, inquires and print level parameters required for the current scene stored in SCRATCH register, then
Specified address is read, and exports the information of input/output port register corresponding with printing level parameters.It can be seen that at this
In method, the characteristic that can be also read by BMC can either be read by BIOS using SCRATCH register, in SCRATCH register
In be stored with current scene be adapted printing level parameters so that BIOS operation when, printf being capable of foundation
The adaptable information content of the printing level parameters output stored in SCRATCH register, so as to avoid bios version band is refreshed
The problem come.In addition, this method is easily realized, without increasing additional hardware equipment, it is not take up system resource on software, improves and is
The maintainability of system.
Above to the side of the method, apparatus of control BIOS type information amount provided by the present invention, medium and type information
Method is described in detail.Each embodiment is described in a progressive manner in specification, and each embodiment stresses
It is the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For embodiment public affairs
For the device opened, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to side
Method part explanation.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
In protection scope.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of method for controlling BIOS type information amount, is applied to BMC characterized by comprising
BIOS starting before, in advance control SCRATCH register storage current scene required for printing level parameters so as to
The printf of BIOS is inquired；
Obtain by lpc bus send include specified address IO read-write requests；
After BIOS inquires the printing level parameters of the SCRATCH register storage and reads the specified address, connect
Receive the information of input/output port register corresponding with the printing level parameters.
2. the method for control BIOS type information amount according to claim 1, which is characterized in that the printing level parameters
Rank be specifically divided into 3-5 rank.
3. the method for control BIOS type information amount according to claim 1, which is characterized in that further include:
The corresponding relationship of the printing level parameters and information content is stored in advance；
Judge whether the amount of the information of the input/output port register received meets the corresponding relationship；
If it is not, then warning note, if it is, terminating.
4. the method for control BIOS type information amount according to claim 3, which is characterized in that after warning note, also
Include:
Judge whether the printing level parameters of the SCRATCH register storage are correct；
If it is not, then modify the printing level parameters, and returns and described obtain that sent by lpc bus includes specified address
IO read-write requests the step of.
5. a kind of device for controlling BIOS type information amount, is applied to BMC characterized by comprising
Control module prints grade required for SCRATCH register storage current scene for being controlled before BIOS starting in advance
Other parameter is inquired so as to the printf of BIOS；
Obtain module, for obtains by lpc bus transmission include specified address IO read-write requests；
Receiving module, for being inquired as BIOS described in the printing level parameters and the reading of the SCRATCH register storage
Behind specified address, the information of input/output port register corresponding with the printing level parameters is received.
6. the device of control BIOS type information amount according to claim 5, which is characterized in that further include:
Memory module, for the corresponding relationship of the printing level parameters and information content to be stored in advance；
First judgment module, for judging it is described whether the amount of information of the input/output port register received meets
Corresponding relationship；
Alarm module, for the judging result in the first judgment module be it is no when, warning note.
7. the device of control BIOS type information amount according to claim 6, which is characterized in that further include:
Whether the second judgment module, the printing level parameters for judging the SCRATCH register storage are correct；
Modified module modifies the printing level parameters for triggering the memory module, and triggers the acquisition module.
8. a kind of device for controlling BIOS type information amount, which is characterized in that including memory, for storing computer program；
Processor is realized when for executing the computer program such as the described in any item control BIOS printings of Claims 1-4
The step of method of information content.
9. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as the described in any item control BIOS printing letters of Claims 1-4
The step of method of breath amount.
10. a kind of method of BIOS type information characterized by comprising
BMC get by lpc bus send include specified address IO read-write requests after, inquire SCRATCH register
Level parameters are printed required for the current scene of middle storage；
The specified address is read, and exports the information of input/output port register corresponding with the printing level parameters.
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| CN201810799651.XA CN109032678B (en) | 2018-07-18 | 2018-07-18 | Method, apparatus, medium, and method for controlling amount of BIOS print information |
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| CN201810799651.XA CN109032678B (en) | 2018-07-18 | 2018-07-18 | Method, apparatus, medium, and method for controlling amount of BIOS print information |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248668A (en) * | 2020-10-19 | 2021-01-22 | 北京方正印捷数码技术有限公司 | Method and device for controlling printing press |
| CN112463229A (en) * | 2020-11-23 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Method, device, equipment and product for displaying BIOS printing start information |
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