CN117520253B - Method for clearing CMOS (complementary metal oxide semiconductor) by Feiteng platform, electronic equipment and storage medium - Google Patents

Method for clearing CMOS (complementary metal oxide semiconductor) by Feiteng platform, electronic equipment and storage medium Download PDF

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CN117520253B
CN117520253B CN202410024940.8A CN202410024940A CN117520253B CN 117520253 B CN117520253 B CN 117520253B CN 202410024940 A CN202410024940 A CN 202410024940A CN 117520253 B CN117520253 B CN 117520253B
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default
uefi
variable
cmos
time
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CN117520253A (en
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张灿源
吴迪
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Great Wall Information Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00Digital computers in general; Data processing equipment in general
    • G06F15/16Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/177Initialisation or configuration control
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14Time supervision arrangements, e.g. real time clock
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0016Inter-integrated circuit (I2C)
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The invention provides a method for clearing CMOS (complementary metal oxide semiconductor), electronic equipment and a storage medium for a Feiteng platform, which are applied to the Feiteng platform based on a kylin system, and an I2C interface of the Feiteng platform is connected with an I2C RTC chip; correspondingly setting a reset time module, a reset UEFI variable module and a prompt restarting module on the kylin system; the method comprises the following steps: the reset time module accesses an RTC register of the I2C bus of the Feiteng platform through an interface provided by the kylin system, and resets time to default time; the UEFI variable resetting module acquires a default variable list through an interface provided by a kylin system, and resets the current UEFI variable to a default variable; prompting a restarting module to verify whether the current time and the current UEFI variable are completely consistent with a preset default time value and a default UEFI variable, and if so, providing restarting instruction restarting equipment through restarting service of a kylin system to complete CMOS cleaning; the invention has simple operation and can complete the cleaning without the intervention of professional personnel.

Description

Method for clearing CMOS (complementary metal oxide semiconductor) by Feiteng platform, electronic equipment and storage medium
Technical Field
The present invention relates to the field of CMOS setting and cleaning technologies, and in particular, to a method for cleaning CMOS by using a flying platform, an electronic device, and a storage medium.
Background
Clearing CMOS is a common way to recover important information such as UEFI settings, date and time of a computer. The process typically involves operating a CMOS cell or shorting a CMOS jump cap. First, the computer needs to be turned off and power is turned off. Then, the computer case is opened, the RTC chip is powered down by taking out the CMOS battery or is short-circuited by ClearCMOS jump caps on the main board, and the RTC chip is powered down to achieve the effect of removing the CMOS.
The effect of removing CMOS is to solve various problems occurring in computers. By clearing the CMOS, the UEFI settings may be reset, eliminating false settings that may cause start-up problems or performance degradation. It can also solve hardware conflict and raise system stability and performance. In addition, the missing date and time information can be recovered by clearing the CMOS, so that the computer is ensured to have accurate time record.
The method needs to turn off the power supply to open the case and operate the specific position, and professional intervention is needed, so that the later maintenance cost of the computer is high and the difficulty is high.
Therefore, a method, an electronic device and a storage medium for removing CMOS by a flying platform are needed, which are simple to operate and can be removed without the intervention of professional personnel.
Disclosure of Invention
The invention aims to provide a method for clearing CMOS by a Feiteng platform, electronic equipment and a storage medium, and aims to solve the technical problems that the traditional CMOS clearing method is complex in operation and requires the intervention of professional staff.
In order to achieve the above objective, in a first aspect, the present invention provides a method for removing CMOS from a flying platform, which is applied to a flying platform based on a kylin system, and connects an I2C interface of the flying platform to an I2C RTC chip; a reset time module for resetting time, a reset UEFI variable module for resetting a UEFI variable and a prompt restarting module for prompting restarting equipment are correspondingly arranged on the kylin system;
The method comprises the following steps:
S1: the reset time module accesses an RTC register of the I2C bus of the Feiteng platform through an interface provided by the kylin system, and resets time to default time;
s2: the UEFI variable resetting module acquires a default variable list through an interface provided by a kylin system, and resets the current UEFI variable to a default variable;
S3: the prompt restarting module verifies whether the current time and the current UEFI variable are completely consistent with the preset default time value and the default UEFI variable, and if so, restarting equipment by providing a restarting instruction through the restarting service of the kylin system to complete CMOS cleaning.
As a further improvement of the above solution, in step S1, in the reset time module, the kernel mem driver of the kylin system accesses the corresponding I2C bus address, and then polls bit1 of the access determination ic_status (0 x 70) to send Buffer, sends a reset command to the real-time clock data register of the RTC chip device, and resets to the factory default time one by one.
As a further improvement of the above solution, the clock data register includes year, month, day, week, time, minute, and second time data.
As a further improvement of the above solution, in step S2, the method steps for obtaining the default variable list are specifically as follows:
firstly, calling UEFIRuntimeServices in the reset UEFI variable module by accessing a kernel efivars driver of a kylin system;
and then polling and accessing option variables and default values of all UEFIs through a GetNextVariableName interface in service, and storing all acquired UEFI variables and default values thereof in an option variable value table in advance.
As a further improvement of the above-described scheme, in step S2, when the clear CMOS operation is performed;
Polling to acquire the UEFI variable default value stored in the option variable value table by calling a GetVariable interface UEFIRuntimeServices;
and comparing the current UEFI variables with the default values of the UEFI variables one by one, and if the current UEFI variables are inconsistent with the default values of the UEFI variables, resetting the non-default values to the default values of the UEFI variables by calling a SetVariable interface.
As a further improvement of the above solution, in step S3, if the current time and the current UEFI variable are completely consistent with the preset default time value and the default UEFI variable, the success of clearing the COMS is prompted, and the preset restart countdown restart time is increased.
As a further improvement of the above solution, in step S3, if the current time and the current UEFI variable are not completely consistent with the preset default time value and the default UEFI variable, a failure to clear the COMS is prompted, and a retry to execute the COMS clearing is prompted.
As a further improvement of the above solution, before the execution of step S1, a prompt operation instruction is further provided, where the prompt operation instruction includes whether to perform the purge CMOS operation, confirm the purge CMOS operation by "Enter", cancel the operation by "Cancel".
In a second aspect, the present invention also provides an electronic device, including:
At least one processor;
and a memory communicatively coupled to the at least one processor;
Wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of a fly-by platform CMOS cleaning provided in the first aspect.
In a third aspect, the present invention also provides a storage medium storing computer executable instructions that, when executed by a processor, cause the processor to perform the method for cleaning CMOS for a soaring platform provided in the first aspect.
Due to the adoption of the technical scheme, the application has the beneficial effects that:
The invention provides a method for clearing CMOS (complementary metal oxide semiconductor) by a Feiteng platform, which is applied to the Feiteng platform based on a kylin system, and an I2C interface of the Feiteng platform is connected with an I2C RTC chip; the method comprises the steps that a reset time module for resetting time, a reset UEFI variable module for resetting a UEFI variable and a prompt restarting module for prompting restarting equipment are correspondingly arranged on a kylin system, and the method comprises the following steps: firstly, a reset time module accesses an RTC register of an I2C bus of the Feiteng platform through an interface provided by a kylin system, and resets time to default time; the UEFI variable resetting module acquires a default variable list through an interface provided by a kylin system, and resets the current UEFI variable to a default variable; prompting a restarting module to verify whether the current time and the current UEFI variable are completely consistent with a preset default time value and a default UEFI variable, and if so, providing restarting instruction restarting equipment through restarting service of a kylin system to complete CMOS cleaning; the method for clearing the CMOS does not need to open a case, close a power supply or operate a specific position, so that professional intervention is not needed, and the method for clearing the CMOS can be triggered and executed only to clear the CMOS according to the prompt operation, is simple to operate, reduces the later maintenance cost of a computer and reduces the maintenance difficulty of the computer.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the hardware architecture of an electronic device in one embodiment of the invention;
FIG. 2 is a flow chart of a method for cleaning CMOS of a Feiteng platform disclosed in one embodiment of the invention;
FIG. 3 is a schematic block diagram of the kernel service and the relationship of the modules of the kylin system disclosed by the invention.
The achievement of the object, functional features and advantages of the present invention will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Example 1
An embodiment of the present invention provides an electronic device, please refer to fig. 1, and fig. 1 is a hardware structure diagram of the electronic device provided in the embodiment of the present invention, where the electronic device may be any type of device with an operation function.
In particular, as shown in fig. 1, the electronic device includes one or more processors and memory.
One processor is illustrated in fig. 1. The processor and the memory may be connected by a bus or otherwise, in fig. 1 by way of example.
The memory is used as a non-volatile computer readable storage medium for storing non-volatile software programs, non-volatile computer executable programs and modules, such as programs, instructions and modules corresponding to a method for cleaning CMOS by a flying platform in the embodiments of the present invention.
The processor executes various functional applications of the electronic device and data processing by running non-volatile software programs, instructions and modules stored in the memory, i.e., implementing a method for a Feiteng platform to clean up CMOS in the embodiments described below.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
Referring to fig. 2 and 3, an embodiment of the present invention discloses a method for removing CMOS by a flying platform, which is executed by an electronic device, and is applied to a flying platform based on a kylin system, and connects a I2C interface of the flying platform to an I2C RTC chip; a reset time module for resetting time, a reset UEFI variable module for resetting a UEFI variable and a prompt restarting module for prompting restarting equipment are correspondingly arranged on the kylin system; the kylin system is a domestic operating system based on a linux kernel, and an interface and a service of UEFI Runtime Services can be called through accessing a firmware driver in the linux kernel; UEFI Runtime Services is a set of application programming interfaces in the UEFI that provide functionality to communicate with the UEFI firmware when the operating system is running. This allows the operating system or other runtime environment to interact with the system firmware, performing various tasks such as accessing hardware information, configuring system parameters, etc.;
The method comprises the following steps:
S1: the reset time module accesses an RTC register of the I2C bus of the Feiteng platform through an interface provided by the kylin system, and resets time to default time; specifically, the Feiteng platform takes the D2000 platform as an example, and has four I2C serial buses from I2C0 to I2C3, and the Feiteng reserved memory address maps the register of the I2C bus, for example, the I2C0 bus register is a 4K address space from 0x28006000 to 0x28006 FFF;
in the reset time module, accessing a corresponding I2C bus address through a kernel mem driving service of a kylin system, and then polling access to judge bit1 of an IC_STATUS (0 x 70) to send a Buffer, and under the condition of no blocking, sending a reset command to a real-time clock data register of RTC chip equipment, wherein the clock data register comprises year, month, day, week, hour, minute, second and other data; and resetting the time data in the clock data register one by one to factory default time.
S2: the UEFI variable resetting module acquires a default variable list through an interface provided by a kylin system, and resets the current UEFI variable to a default variable;
specifically, the method for acquiring the default variable list includes the following steps:
firstly, calling UEFIRuntimeServices in the reset UEFI variable module by accessing a kernel efivars driver of a kylin system;
Then the option variables and default values of all UEFIs are accessed in a polling way through the GetNextVariableName interface in service, and then all acquired UEFI variables and default values thereof are prestored in an option variable value table'
When performing a clear CMOS operation;
Polling to acquire the UEFI variable default value stored in the option variable value table by calling a GetVariable interface UEFIRuntimeServices;
Comparing the current UEFI variables with the UEFI variable default values one by one, and if the current UEFI variables are inconsistent with the UEFI variables, resetting the non-default values to the UEFI variable default values by calling a SetVariable interface;
S3: prompting a restarting module to verify whether the current time and the current UEFI variable are completely consistent with a preset default time value and a default UEFI variable, if so, prompting that COMS is cleared successfully, and increasing the preset restarting countdown restarting time, wherein in the embodiment, the restarting countdown restarting time is set to be 5s, namely, a restarting instruction is provided through the restarting service of a kylin system after 5s, and CMOS clearing is completed;
If the current time and the current UEFI variable are not completely consistent with the preset default time value and the default UEFI variable, the COMS clearing failure is prompted, and the COMS clearing is prompted to be retried.
In the CMOS clearing method provided by the invention, a hardware layer is connected with an I2C RTC chip through an I2C interface of a Feiteng platform; the software layer is correspondingly provided with a reset time module, a reset UEFI variable module and a prompt restarting module on the kylin system, the corresponding RTC I2C time and date register is accessed through the reset time module, the aim of clearing UEFI option setting is achieved through the access UEFI Runtime Services of the reset UEFI variable module, finally, whether the reset time module is completely consistent with a preset default time value and a default UEFI variable is verified again through the prompt restarting module, if the reset time module is completely consistent with the preset default time value and the default UEFI variable, restarting equipment is restarted through restarting instructions provided by restarting service of the kylin system, and the aim of clearing CMOS is achieved; the whole cleaning process does not need to open a case, power supply and operate a specific position, so that professional intervention is not needed, and the CMOS cleaning method provided by the invention can be triggered and executed to complete the CMOS cleaning according to the prompt operation, is simple to operate, reduces the later maintenance cost of a computer and reduces the maintenance difficulty of the computer.
As a preferred embodiment, before the step S1 is executed, a prompt operation instruction is further provided, where the prompt operation instruction includes whether to perform the CMOS clearing operation, confirm to perform the CMOS clearing operation according to "Enter", cancel the operation according to "Cancel", and set the prompt operation instruction, so that the user only needs to perform the CMOS clearing operation according to the prompt operation, without excessive expertise, so that the difficulty of CMOS clearing is greatly reduced, and non-professional personnel can easily perform CMOS clearing.
It should be noted that, there is not necessarily a certain sequence between the steps, and those skilled in the art will understand that, in different embodiments, the steps may be performed in different orders, that is, may be performed in parallel, may be performed interchangeably, or the like.
Example 2
The present invention also provides a storage medium storing computer executable instructions that, when executed by a processor, cause the processor to perform a method for cleaning CMOS for a flying platform as described above.
The storage medium may include high-speed RAM memory, and may also include non-volatile memory (nonvolatilememory), such as at least one disk memory. It is to be appreciated that the storage medium can be any type of machine-readable medium that can store program code, such as random access memory (RandomAccess Memory, RAM), magnetic disk, hard disk, solid State Drive (SSD), or non-volatile memory.
It should be apparent to those skilled in the art that embodiments of the present invention may be provided as a method or a storage medium. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather as utilizing equivalent structural changes made in the description of the present invention and the accompanying drawings or directly/indirectly applied to other related technical fields under the inventive concept of the present invention.

Claims (8)

1. A method for clearing CMOS by a Feiteng platform is characterized by being applied to the Feiteng platform based on a kylin system, and connecting an I2C interface of the Feiteng platform with an I2C RTC chip; a reset time module, a reset UEFI variable module and a prompt restarting module are correspondingly arranged on the kylin system;
The method comprises the following steps:
S1: the reset time module accesses an RTC register of the I2C bus of the Feiteng platform through an interface provided by the kylin system, and resets time to default time; in the reset time module, the kernel mem of the kylin system is used for driving to access the corresponding I2C bus address, then the bit1 of the polling access judgment IC_STATUS is used for sending a Buffer, and a reset command is sent to the real-time clock data register of the RTC chip and reset to the default time of factory setting one by one;
s2: the UEFI variable resetting module acquires a default variable list through an interface provided by a kylin system, and resets the current UEFI variable to a default variable;
the method for acquiring the default variable list comprises the following steps:
Firstly, in the reset UEFI variable module, calling UEFI Runtime Services by accessing a kernel efivars driver of a kylin system;
Polling and accessing option variables and default values of all UEFIs through a GetNextVariableName interface in service, and storing all acquired UEFI variables and default values thereof in an option variable value table in advance;
S3: and the prompt restarting module verifies whether the current time and the current UEFI variable are completely consistent with the preset default time value and the default UEFI variable, and if so, the restarting equipment is restarted by providing a restarting instruction through the restarting service of the kylin system to complete the CMOS cleaning.
2. A method for a fly-by platform to clean up CMOS as in claim 1, wherein the clock data register comprises year, month, day, week, hour, minute, second time data.
3. A method for cleaning CMOS on a fly-by platform as claimed in claim 1, wherein in step S2, when the CMOS cleaning operation is performed;
Polling to acquire the UEFI variable default value stored in the option variable value table by calling a GetVariable interface UEFI Runtime Services;
and comparing the current UEFI variables with the default values of the UEFI variables one by one, and if the current UEFI variables are inconsistent with the default values of the UEFI variables, resetting the non-default values to the default values of the UEFI variables by calling a SetVariable interface.
4. A method for clearing CMOS on a flyaway platform according to any one of claims 1-3, wherein in step S3, if the current time, the current UEFI variable, and the default time value, the default UEFI variable are completely identical, the success of clearing CMOS is prompted, and the preset restart countdown restart time is increased.
5. A method for cleaning CMOS on a Feiteng platform according to any one of claims 1-3, wherein in step S3, if the current time, the current UEFI variable, and the default time value, the default UEFI variable are not completely identical, a COMS cleaning failure is prompted, and a COMS cleaning retry is prompted.
6. A method for cleaning CMOS on a flyaway platform as claimed in any one of claims 1 to 3, wherein a hint operation indication is provided before the execution of step S1, said hint operation indication including whether to perform a clean CMOS operation, confirm the clean CMOS operation by Enter, cancel the operation by Cancel.
7. An electronic device, comprising:
At least one processor;
and a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6.
8. A storage medium storing computer executable instructions which, when executed by a processor, cause the processor to perform the method of any one of claims 1-6.
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