CN108229178A - BIOS Write-protection methods, device, equipment and computer readable storage medium - Google Patents
BIOS Write-protection methods, device, equipment and computer readable storage medium Download PDFInfo
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- CN108229178A CN108229178A CN201810078141.3A CN201810078141A CN108229178A CN 108229178 A CN108229178 A CN 108229178A CN 201810078141 A CN201810078141 A CN 201810078141A CN 108229178 A CN108229178 A CN 108229178A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
- G06F21/572—Secure firmware programming, e.g. of basic input output system [BIOS]
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Abstract
The invention discloses a kind of BIOS Write-protection methods, device, equipment and computer readable storage mediums, including detecting whether FLASH status registers are equipped with BIOS write-protects after the power is turned on, if so, releasing BIOS write-protects, and show BIOS settings interface to user；Otherwise, BIOS settings interface is shown to user；BIOS is set accordingly according to setting information input by user；After BIOS is exited and before the OS stages are entered; read the set content of BIOS; and judge whether BIOS adds write-protect setting according to set content; if; then read the write-protect setting information of BIOS; and FLASH status registers are rewritten according to write-protect setting information, to set the write protected area of FLASH status registers.It solves the problems, such as to lock BIOS option setting for a long time, improve the operability of BIOS, the use for user brings larger facility.
Description
Technical field
The present embodiments relate to field of computer technology, more particularly to a kind of BIOS Write-protection methods, device, equipment
And computer readable storage medium.
Background technology
The major function of BIOS (Basic Input Output System, basic input output system) is for computer
The offer bottom, most direct hardware setting and control.The data storage of BIOS in the FLASH of mainboard, once in FLASH
Data be destroyed, unpredictable failure will occur for system.Intel provides relevant register in PCH, and then from should
With the read-write operation of layer control BIOS FLASH.At present, under the premise of the change of no hardware-level, BIOS write-protects are realized
Method is to change the status register of BIOS FLASH.By changing the status register of FLASH, FLASH data can be realized
Soft protection, the value of different registers can realize the data protection of FLASH different zones.
System needs just to enter OS (Operating System, operating system) rank after a period of time after power-up
Section, and be the environment of user's normal use in the OS stages, and the system most of the time operates in the OS stages, so the OS stages
It is the important stage for needing to carry out FLASH write-protect.In the prior art, the Status register of FLASH is usually changed by BIOS
Device, and after the status register to FLASH is rewritten and starts, the data of BIOS setting areas can be carried out
Protection, still, when the region protected is excessive, no matter whether system enters the OS stages and can lock BIOS option setting,
It cannot modify as needed to the setting of BIOS so as to cause user, make the operability of BIOS reduce, to making for user
With making troubles.
In consideration of it, how to provide a kind of BIOS Write-protection methods, device, equipment and computer for solving above-mentioned technical problem
Readable storage medium storing program for executing becomes the current urgent problem to be solved of those skilled in the art.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of BIOS Write-protection methods, device, equipment and computer-readable storage
Medium solves the problems, such as to lock BIOS option setting for a long time, improves the operability of BIOS, the use for user bring compared with
Big facility.
In order to solve the above technical problems, an embodiment of the present invention provides a kind of BIOS Write-protection methods, including：
S11：Whether detection FLASH status registers are equipped with basic input-output system BIOS write-protect after the power is turned on, if
It is, then into S12；Otherwise, into S13；
S12：The BIOS write-protects are released, and enter S13；
S13：BIOS settings interface is shown to user, and BIOS is set accordingly according to setting information input by user
It puts；
S14：After the BIOS is exited and before the OS stages are entered, the set content of the BIOS, and foundation are read
The set content judges whether the BIOS adds write-protect setting, if it is, into S15；
S15：The write-protect setting information of the BIOS is read, and according to the write-protect setting information to the FLASH
Status register is rewritten, to set the write protected area of the FLASH status registers.
Optionally, the process that whether status registers of detection FLASH after the power is turned on are equipped with BIOS write-protects includes：
The numerical value of the FLASH status registers is read after the power is turned on and/or reads the write-protect setting value of BIOS；
Judge the FLASH according to the numerical value of the FLASH status registers and/or the write-protect setting value of the BIOS
Whether status register is equipped with BIOS write-protects.
Optionally, the process of the releasing BIOS write-protects is：
The FLASH status registers are reset, to release the BIOS write-protects.
Optionally, the process to user's displaying BIOS settings interface is：
After receiving idsplay order input by user, BIOS settings interface is shown to the user.
The embodiment of the present invention provides the BIOS write protectors under a kind of ARM platforms accordingly, including：
Detection module, for detecting whether to be equipped with BIOS write-protects after the power-up, if it is, triggering releases module；It is no
Then, display module is triggered；
The releasing module for releasing the BIOS write-protects, and triggers the display module；
The display module, for showing BIOS settings interface to user；
First setup module, for being set accordingly to BIOS according to setting information input by user；
Judgment module, for after the BIOS is exited and before the OS stages are entered, in the setting of reading the BIOS
Hold, and judge whether the BIOS adds write-protect setting according to the set content, if it is, triggering the second setting mould
Block；
Second setup module for reading the write-protect setting information of the BIOS, and is set according to the write-protect
Confidence breath rewrites FLASH status registers, to set the write protected area of the FLASH status registers.
Optionally, the detection module includes：
First reading unit writes guarantor for reading the numerical value of FLASH status registers after the power-up and/or reading BIOS
Protect setting value；
First judging unit, the write-protect for numerical value and/or the BIOS according to the FLASH status registers are set
Value is put to judge whether to be equipped with BIOS write-protects.
Optionally, the releasing module includes：
Module is reset, for being reset to the FLASH status registers, to release the BIOS write-protects.
Optionally, the display module includes：
Receiving unit, for receiving idsplay order input by user；
Display unit, for showing BIOS settings interface to the user according to the idsplay order.
The embodiment of the present invention provides the BIOS write-protect equipment under a kind of ARM platforms accordingly, including：
Memory, for storing computer program；
Processor, for performing computer program when, realize the BIOS write-protect sides under ARM platforms as described above
The step of method.
The embodiment of the present invention provides a kind of computer readable storage medium, the computer readable storage medium accordingly
On be stored with computer program, the computer program realizes the BIOS under ARM platforms as described above when being executed by processor
The step of Write-protection method.
An embodiment of the present invention provides a kind of BIOS Write-protection methods, device, equipment and computer readable storage medium, packets
Include whether detection FLASH status registers after the power is turned on are equipped with BIOS write-protects, if it is, release BIOS write-protects, and to
Family displaying BIOS settings interface；Otherwise, BIOS settings interface is shown to user；According to setting information input by user to BIOS into
The corresponding setting of row；After BIOS is exited and before the OS stages are entered, the set content of BIOS is read, and according in setting
Appearance judges whether BIOS adds write-protect setting, if it is, reading the write-protect setting information of BIOS, and is set according to write-protect
Confidence breath rewrites FLASH status registers, to set the write protected area of FLASH status registers.
In the embodiment of the present invention system in the power-on self-test stage to before entering OS, can be with when there are during BIOS write-protects
BIOS write-protects are released, user is allow to enter BIOS setting interfaces, all kinds of settings is carried out to BIOS, user can also
Add write-protect again as needed, and after the completion of user setting and before OS is entered, system can be according to BIOS's
FLASH status registers are rewritten in write-protect setting, set corresponding protection zone, the OS stages is made to realize that BIOS writes guarantor
Shield.Present application addresses the problem of long-term locked BIOS option setting, the operability of BIOS is improved, is the use band of user
Carry out larger facility.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow diagram of BIOS Write-protection methods provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram of BIOS write protectors provided in an embodiment of the present invention.
Specific embodiment
An embodiment of the present invention provides a kind of BIOS Write-protection methods, device, equipment and computer readable storage medium, solutions
Determined locked BIOS option setting for a long time the problem of, improve the operability of BIOS, the use for user bring it is larger just
Profit.
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of flow diagram of BIOS Write-protection methods provided in an embodiment of the present invention.
This method includes：
S11：Whether detection FLASH status registers are equipped with BIOS write-protects after the power is turned on, if it is, into S12；It is no
Then, into S13；
S12：BIOS write-protects are released, and enter S13；
It should be noted that entering the self-test stage upon power-up of the system, FLASH status registers are carried out in the self-test stage
Detection, to determine whether the FLASH status registers are equipped with BIOS write-protects, when FLASH status registers write guarantor equipped with BIOS
During shield, BIOS write-protects are released, after BIOS write-protects are released, the setting of BIOD options just will not be locked.
Specifically, since the numerical value of FLASH status registers can determine current FLASH status registers status,
The setting value of the write-protect of BIOS also reflects the state of FLASH status registers, so the present invention can pass through reading in real time
It takes the numerical value of FLASH status registers and/or reads the write-protect setting value of BIOS to judge whether FLASH status registers set
There are BIOS write-protects.
S13：BIOS settings interface is shown to user, and BIOS is set accordingly according to setting information input by user
It puts；
It, can also be to receive user defeated it should be noted that system can show BIOS settings interface from trend user
After the idsplay order entered, BIOS settings interface is shown to user.User can set interface to input and set accordingly by the BIOS
Confidence ceases, so as to be configured to corresponding option.
It should also be noted that, when user to BIOS after setting completed, user can preserve setting manually, can also be by being
System automatically saves the setting to BIOS, and exits BIOS.It, can be by reseting option again if occurring mistake in the provisioning process
Corresponding setting information is inputted to be reset to BIOS, and when setting preserves setting without mistaking.
S14：After BIOS is exited and before the OS stages are entered, the set content of BIOS is read, and according to set content
Judge whether BIOS adds write-protect setting, if it is, into S15；
Specifically, after BIOS is exited, system will continue to start, and start to the ready to boot stages, in ready
To boot stage BIOS have completed everything, and before OS is entered (i.e. by the control of system transfer to OS it
Before), the set content in BIOS can determine whether user is set the write-protect option of BIOS, if so,
Then explanation is added to write-protect setting.
S15：Read BIOS write-protect setting information, and according to write-protect setting information to FLASH status registers into
Row is rewritten, to set the write protected area of FLASH status registers.
Specifically, after user is added to write-protect setting, it can be according to the write-protect setting information pair in BIOS
FLASH status registers are rewritten, and the write-protect range so as to be rewritten to FLASH status registers is configured, and
And after the setup, system continues to launch into the OS stages；If user is not configured the write-protect option of BIOS,
Just without being rewritten to FLASH status registers, therefore, whether carrying out write-protect after OS is entered can be as needed by user
Independently set.
It should be noted that user can control BIOS write-protects by BIOS option in the embodiment of the present invention, make BIOS
Writing protection function has more practical operation meaning, and when protection zone is excessive, and BIOS can be still detected after system electrification
Write-protect, and BIOS write-protects are released, interface is set with to selecting accordingly so as to which user is made to enter BIOS as needed
Item is configured, and larger facility is brought for user.
It should also be noted that, the specific protection zone of data can be by user according to actual needs in the embodiment of the present invention
It is set, the application does not do this particular determination.When the protection zone set by user is full guard, then the present invention is implemented
FLASH status registers in example are the FLASH status registers positioned at ARM platforms.
Further, the mistake whether FLASH status registers are equipped with BIOS write-protects is detected after the power is turned in above-mentioned S11
Journey can specifically include：
The numerical value of FLASH status registers is read after the power is turned on and/or reads the write-protect setting value of BIOS；
Judge that FLASH status registers are according to the numerical value of FLASH status registers and/or the write-protect setting value of BIOS
It is no to be equipped with BIOS write-protects.
It should be noted that since the numerical value of FLASH status registers can be determined residing for current FLASH status registers
State, the setting value of the write-protect of BIOS also reflect the state of FLASH status registers, so the present invention can lead in real time
Cross the write-protect setting value of the numerical value for reading FLASH status registers and/or reading BIOS is to judge FLASH status registers
It is no to be equipped with BIOS write-protects.
Certainly, the embodiment of the present invention is not limited only to whether write equipped with BIOS FLASH status registers using the above method
Protection is detected, and can also be detected by other methods, and the application does not do this particular determination, can realize present invention implementation
The purpose of example.
Further, the process of releasing BIOS write-protects is：
FLASH status registers are reset, to release BIOS write-protects.
Specifically, it may be used in the embodiment of the present invention when releasing BIOS write-protects by the value of FLASH status registers
The method reset releases BIOS write-protects, the value of FLASH status registers can specifically be reset to 00, resetting
FLASH status registers afterwards just do not have BIOS write-protects.It is of course also possible to use other modes release BIOS write-protects,
The embodiment of the present invention does not do this particular determination, can realize the purpose of the embodiment of the present invention.
Further, the process at BIOS settings interface is shown to user in above-mentioned S13, is specifically as follows：
After receiving idsplay order input by user, BIOS settings interface is shown to user.
It should be noted that for convenience user according to itself need carry out unrestricted choice, user can choose whether into
Enter BIOS settings interface, when user needs to be configured BIOS option, then can input idsplay order, system is receiving
After idsplay order input by user, then to user show BIOS setting interface.Certainly, system can also be shown from trend user
BIOS sets interface, after BIOS sets showing interface, if user can select to close BIOS without being configured BIOS
Interface is set, if user needs to be configured BIOS, directly interface can be set to input corresponding setting by the BIOS
Information.
In the embodiment of the present invention system in the power-on self-test stage to before entering OS, can be with when there are during BIOS write-protects
BIOS write-protects are released, user is allow to enter BIOS setting interfaces, all kinds of settings is carried out to BIOS, user can also
Add write-protect again as needed, and after the completion of user setting and before OS is entered, system can be according to BIOS's
FLASH status registers are rewritten in write-protect setting, set corresponding protection zone, the OS stages is made to realize that BIOS writes guarantor
Shield.Present application addresses the problem of long-term locked BIOS option setting, the operability of BIOS is improved, is the use band of user
Carry out larger facility.
On the basis of above-described embodiment, the BIOS that the embodiment of the present invention is provided accordingly under a kind of ARM platforms writes guarantor
Protection unit please refers to Fig. 2, which includes：
Detection module 1, for detecting whether to be equipped with BIOS write-protects after the power-up, if it is, triggering releases module 2；
Otherwise, display module 3 is triggered；
Module 2 is released, for releasing BIOS write-protects, and triggers display module；
Display module 3, for showing BIOS settings interface to user；
First setup module 4, for being set accordingly to BIOS according to setting information input by user；
Judgment module 5, for after BIOS is exited and before the OS stages are entered, reading the set content of BIOS, and according to
Judge whether BIOS adds write-protect setting according to set content, if it is, the second setup module 6 of triggering；
Second setup module 6, for reading the write-protect setting information of BIOS, and according to write-protect setting information pair
FLASH status registers are rewritten, to set the write protected area of FLASH status registers.
Optionally, detection module 1 includes：
First reading unit writes guarantor for reading the numerical value of FLASH status registers after the power-up and/or reading BIOS
Protect setting value；
First judging unit judges for the numerical value according to FLASH status registers and/or the write-protect setting value of BIOS
Whether BIOS write-protects are equipped with.
Optionally, module 2 is released to include：
Module is reset, for being reset to FLASH status registers, to release BIOS write-protects.
Optionally, display module 3 includes：
Receiving unit, for receiving idsplay order input by user；
Display unit, for showing BIOS settings interface to user according to idsplay order.
It should be noted that solving the problems, such as to lock BIOS option setting for a long time in the embodiment of the present invention, improve
The operability of BIOS, the use for user bring larger facility.
In addition, specific introduce for BIOS Write-protection methods involved in the embodiment of the present invention please refers to above-mentioned side
Method embodiment, details are not described herein by the application.
On the basis of above-described embodiment, the BIOS that the embodiment of the present invention is provided accordingly under a kind of ARM platforms writes guarantor
Equipment is protected, including：
Memory, for storing computer program；
Processor is realized during for performing computer program such as the step of BIOS Write-protection methods under above-mentioned ARM platforms.
It should be noted that the readable storage medium storing program for executing provided in the embodiment of the present invention has with being carried in above-described embodiment
The identical advantageous effect of the BIOS Write-protection methods of confession.For BIOS Write-protection methods involved in the embodiment of the present invention
Specific introduce please refers to above method embodiment, and details are not described herein by the application.
On the basis of above-described embodiment, the embodiment of the present invention provides a kind of computer readable storage medium accordingly,
Computer program is stored on computer readable storage medium, is realized when computer program is executed by processor as above-mentioned ARM is put down
The step of BIOS Write-protection methods under platform.
It should be noted that the readable storage medium storing program for executing provided in the embodiment of the present invention has with being carried in above-described embodiment
The identical advantageous effect of the BIOS Write-protection methods of confession.For BIOS Write-protection methods involved in the embodiment of the present invention
Specific introduce please refers to above method embodiment, and details are not described herein by the application.
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, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include 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 also there are other identical elements in the process including element, method, article or equipment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of BIOS Write-protection methods, which is characterized in that including：
S11：Whether detection FLASH status registers are equipped with basic input-output system BIOS write-protect after the power is turned on, if it is,
Into S12；Otherwise, into S13；
S12：The BIOS write-protects are released, and enter S13；
S13：BIOS settings interface is shown to user, and BIOS is set accordingly according to setting information input by user；
S14：After the BIOS is exited and before the OS stages are entered, the set content of the BIOS is read, and according to described
Set content judges whether the BIOS adds write-protect setting, if it is, into S15；
S15：The write-protect setting information of the BIOS is read, and according to the write-protect setting information to the FLASH states
Register is rewritten, to set the write protected area of the FLASH status registers.
2. BIOS Write-protection methods according to claim 1, which is characterized in that the FLASH states of detection after the power is turned on are posted
The process whether storage is equipped with BIOS write-protects includes：
The numerical value of the FLASH status registers is read after the power is turned on and/or reads the write-protect setting value of BIOS；
Judge the FLASH states according to the numerical value of the FLASH status registers and/or the write-protect setting value of the BIOS
Whether register is equipped with BIOS write-protects.
3. the BIOS Write-protection methods under ARM platforms according to claim 2, which is characterized in that described in the releasing
The process of BIOS write-protects is：
The FLASH status registers are reset, to release the BIOS write-protects.
4. the BIOS Write-protection methods under ARM platforms according to claim 3, which is characterized in that described to be shown to user
BIOS setting interface process be：
After receiving idsplay order input by user, BIOS settings interface is shown to the user.
5. a kind of BIOS write protectors under ARM platforms, which is characterized in that including：
Detection module, for detecting whether to be equipped with BIOS write-protects after the power-up, if it is, triggering releases module；Otherwise, it touches
Send out display module；
The releasing module for releasing the BIOS write-protects, and triggers the display module；
The display module, for showing BIOS settings interface to user；
First setup module, for being set accordingly to BIOS according to setting information input by user；
Judgment module, for after the BIOS is exited and before the OS stages are entered, reading the set content of the BIOS,
And judge whether the BIOS adds write-protect setting according to the set content, if it is, the second setup module of triggering；
Second setup module for reading the write-protect setting information of the BIOS, and sets according to the write-protect and believes
Breath rewrites FLASH status registers, to set the write protected area of the FLASH status registers.
6. the BIOS write protectors under ARM platforms according to claim 5, which is characterized in that the detection module packet
It includes：
First reading unit sets for reading the numerical value of FLASH status registers after the power-up and/or reading the write-protect of BIOS
Put value；
First judging unit, for the numerical value and/or the write-protect setting value of the BIOS according to the FLASH status registers
Judge whether to be equipped with BIOS write-protects.
7. the BIOS write protectors under ARM platforms according to claim 6, which is characterized in that the releasing module packet
It includes：
Module is reset, for being reset to the FLASH status registers, to release the BIOS write-protects.
8. the BIOS write protectors under ARM platforms according to claim 7, which is characterized in that the display module packet
It includes：
Receiving unit, for receiving idsplay order input by user；
Display unit, for showing BIOS settings interface to the user according to the idsplay order.
9. a kind of BIOS write-protect equipment under ARM platforms, which is characterized in that including：
Memory, for storing computer program；
Processor is realized under the ARM platforms as described in Claims 1-4 any one during for performing the computer program
The step of BIOS Write-protection methods.
10. 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 under the ARM platforms as described in Claims 1-4 any one
The step of BIOS Write-protection methods.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109117640A (en) * | 2018-07-27 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of BIOS Write-protection method, device, equipment and storage medium |
| CN110673861A (en) * | 2019-08-12 | 2020-01-10 | 深圳市国科亿道科技有限公司 | Protection method based on BIOS software |
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| CN105718277A (en) * | 2014-12-05 | 2016-06-29 | 中国长城计算机深圳股份有限公司 | Protection method, device and system for BIOS (Basic Input Output System) update |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109117640A (en) * | 2018-07-27 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of BIOS Write-protection method, device, equipment and storage medium |
| CN110673861A (en) * | 2019-08-12 | 2020-01-10 | 深圳市国科亿道科技有限公司 | Protection method based on BIOS software |
| CN110673861B (en) * | 2019-08-12 | 2022-03-18 | 深圳市国科亿道科技有限公司 | Protection method based on BIOS software |
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