CN111488163A - Firmware updating method and device, electronic equipment and storage medium - Google Patents

Abstract

The present application discloses a firmware update method, an apparatus, an electronic device and a computer-readable storage medium. The method includes: when an image file and a firmware update list are received, selecting a candidate BMC from the firmware update list; judging the candidate BMC Whether the network status of the candidate BMC is normal; if so, send the image file and firmware update list to the candidate BMC; if not, use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC based on the attribute information of the candidate BMC, and trigger the register restart of the candidate BMC. , use the serial port server to reconfigure the network parameters of the candidate BMC, and re-enter the step of judging whether the network status of the candidate BMC is normal; update the firmware based on the image file. The firmware update method provided by this application relies on the serial port server to realize the firmware update for the BMC with abnormal upgrade function.

Description

A firmware update method, device, electronic device and storage medium

technical field

The present application relates to the field of computer technology, and more particularly, to a method and apparatus for updating firmware, an electronic device, and a computer-readable storage medium.

Background technique

BMC (full name in Chinese: Baseboard Management Controller, full name in English: Baseboard Management Controller) is a dedicated chip or controller. In IPMI (full name in Chinese: Intelligent Platform Management Interface, full name in English: IntelligentPlatform Management Interface), the management of each managed device by the system management software is realized by communicating with the BMC.

As an embedded software system for server management and monitoring, BMC, like all software systems, needs to be upgraded and updated. In the related art, the server BMC firmware update is implemented in a point-to-point firmware update mode. When receiving the BMC firmware update instruction and the corresponding firmware image, the firmware image is used to update the firmware, and the firmware is broadcast to other BMC device nodes in the network cluster. Update information; transmit the firmware image to the target BMC device node of the incoming image acquisition request; when receiving the firmware update information broadcast by other BMC device nodes in the network cluster after completing the firmware update based on the firmware image, and the content of the firmware update information When the firmware update standard is met, obtain the firmware image from other BMC device nodes, and use the firmware image to update the firmware. The above solution can realize the firmware update operation of all other BMCs automatically after updating one BMC, but in the case that the BMC cannot run normally or the upgrade function is abnormal, the BMC upgrade cannot be completed.

Therefore, how to realize the firmware update for the abnormally upgraded BMC is a technical problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a firmware update method and device, an electronic device, and a computer-readable storage medium, so as to implement firmware update for BMCs with abnormal upgrade functions.

In order to achieve the above object, the application provides a firmware update method, which is applied to a target BMC, where the target BMC is a BMC with a normal network state, and the method includes:

When receiving the image file and the firmware update list, select candidate BMCs from the firmware update list; wherein, the firmware update list records the attribute information of all BMCs to be updated;

Determine whether the network status of the candidate BMC is normal;

If so, then the image file and the firmware update list are sent to the candidate BMC, so that the candidate BMC performs the step of selecting the candidate BMC from the firmware update list as the target BMC;

If not, use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC based on the attribute information of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, and use the serial port server to reconfigure the candidate BMC network parameters, and re-enter the step of judging whether the network state of the candidate BMC is normal;

When all the BMCs to be updated have received the image file, firmware update is performed based on the image file.

Wherein, the attribute information includes the IP address of the BMC to be updated, the IP address of the serial port server to which the BMC to be updated belongs, the serial port server code to which the serial port server belongs, and the firmware update rule of the BMC to be updated.

Wherein, using the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC based on the attribute information of the candidate BMC, including:

Based on the IP address of the serial port server to which the candidate BMC belongs and the serial port server number to which the candidate BMC belongs, the spiflash of the candidate BMC is updated using the serial port server to which the candidate BMC belongs.

Wherein, the firmware update based on the image file includes:

Check whether the image file needs to be updated according to the firmware update rule of the target BMC;

If so, perform firmware update based on the image file.

Wherein, the firmware update rule includes any one or a combination of any of timing update, shutdown update, and BMC abnormal update.

Wherein, after the firmware update is performed based on the image file, the method further includes:

Receive the firmware update status returned by the candidate BMC, and return the firmware update status of the target BMC and the candidate BMC to the sender of the image file.

Wherein, before sending the image file and the firmware update list to the candidate BMC, it also includes:

Send a query command to the candidate BMC, so as to determine whether the candidate BMC has received the image file and the firmware update list;

If so, then re-enter the step of selecting candidate BMC from the firmware update list;

If not, the step of sending the image file and the firmware update list to the candidate BMC is performed.

In order to achieve the above object, the present application provides a firmware update device, which is applied to a target BMC, where the target BMC is a BMC with a normal network state, and the device includes:

A selection module for selecting candidate BMCs from the firmware update list when receiving the image file and the firmware update list; wherein, the firmware update list records the attribute information of all BMCs to be updated;

a first judgment module, for judging whether the network state of the candidate BMC is normal; if so, start the work flow of the sending module; if not, start the work flow of the configuration module;

The sending module is used to send the image file and the firmware update list to the candidate BMC, so that the candidate BMC starts the workflow of the selection module as the target BMC;

The configuration module is configured to use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC based on the attribute information of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, and use the serial port server to reconfigure the the network parameters of the candidate BMC, and restart the workflow of the first judgment module;

An update module, configured to perform firmware update based on the image file when all the BMCs to be updated have received the image file.

To achieve the above purpose, the present application provides an electronic device, including:

memory for storing computer programs;

The processor is configured to implement the steps of the above firmware updating method when executing the computer program.

To achieve the above object, the present application provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above firmware updating method are implemented.

As can be seen from the above solutions, a firmware update method provided by the present application includes: when an image file and a firmware update list are received, selecting a candidate BMC from the firmware update list; wherein, the firmware update list records all pending firmware updates. Update the attribute information of the BMC; determine whether the network status of the candidate BMC is normal; if so, send the image file and the firmware update list to the candidate BMC, so that the candidate BMC acts as the target BMC to execute the slave BMC. The step of selecting a candidate BMC in the firmware update list; if not, based on the attribute information of the candidate BMC, the serial port server to which the candidate BMC belongs is used to update the spiflash of the candidate BMC, and the register corresponding to the candidate BMC is triggered to restart, Use the serial port server to reconfigure the network parameters of the candidate BMC, and re-enter the step of judging whether the network status of the candidate BMC is normal; when all the BMCs to be updated have received the image file, based on The image file is updated with firmware.

In the firmware update method provided by the present application, when the BMC network is abnormal, the serial port server to which the BMC belongs is used to reconfigure its network parameters, so that the network state is restored to normal. It can be seen that the firmware update method provided by the present application relies on the serial port server to realize the firmware update for the BMC with abnormal upgrade function, and firstly distributes the image file to the BMC in the update list before implementing its own firmware update, which prevents the image file from being updated. In the case of loss of image files due to BMC restarts, sudden network failures and other factors, each BMC can be used as a provider of image files and update lists, achieving a point-to-point effect. The present application also discloses a firmware update device, an electronic device, and a computer-readable storage medium, which can also achieve the above technical effects.

It is to be understood that the foregoing general description and the following detailed description are exemplary only and do not limit the application.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort. The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and together with the following detailed description, are used to explain the present disclosure, but not to limit the present disclosure. In the attached image:

1 is a flowchart of a method for updating firmware according to an exemplary embodiment;

FIG. 2 is a flowchart of another firmware update method according to an exemplary embodiment;

FIG. 3 is a structural diagram of a firmware updating apparatus according to an exemplary embodiment;

FIG. 4 is a structural diagram of an electronic device according to an exemplary embodiment.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The embodiment of the present application discloses a firmware update method, which implements firmware update for a BMC with an abnormal upgrade function.

Referring to FIG. 1 , a flowchart of a method for updating firmware according to an exemplary embodiment, as shown in FIG. 1 , includes:

S101: when receiving the image file and the firmware update list, select candidate BMCs from the firmware update list; wherein, the firmware update list records the attribute information of all BMCs to be updated;

The execution subject of this embodiment is the target BMC, that is, the BMC with a normal network state in the BMC to be updated, and the purpose is to perform firmware update for all the BMCs to be updated with a point band. In a specific implementation, the client background management system delivers the BMC image file to be updated and the firmware update list to the target BMC. The firmware update list includes the attribute information of all BMCs to be updated. The attribute information here can include the IP address of the BMC to be updated, the IP address of the serial server to which the BMC belongs, the serial server code to which the serial server belongs, and the firmware update rules of the BMC to be updated. , the firmware update rule may include regular update, shutdown update, abnormal BMC update, etc., which are not specifically limited here.

After receiving the image file and the firmware update list, the target BMC selects a BMC from the firmware update list, that is, the candidate BMC in this step. In this step, the next BMC may be sequentially selected as a candidate BMC in the firmware update list. Of course, other selection methods may also be used, which are not specifically limited here.

S102: Determine whether the network state of the candidate BMC is normal; if so, enter S103; if not, enter S104;

S103: Send the image file and the firmware update list to the candidate BMC;

In this step, if the network status of the candidate BMC is normal, the target BMC sends the image file and the firmware update list to the candidate BMC, and the candidate BMC is used as a new target BMC to perform step S101 of this embodiment, so as to achieve a point-to-point firmware update effect

S104: Based on the attribute information of the candidate BMC, use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, and use the serial port server to reconfigure the network parameters of the candidate BMC , and re-enter step S102;

In this step, if the network status of the candidate BMC is abnormal, then according to the IP address of the serial server to which the candidate BMC belongs and the serial server number to which the candidate BMC belongs, use the serial server to which the candidate BMC belongs to update the spiflash of the BMC. The attribute information of the candidate BMC uses the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC. The serial server updates the spiflash of the candidate BMC.

After the update is completed, the register corresponding to the candidate BMC is triggered to restart. After the restart, the network parameters of the corresponding candidate BMC are configured through the serial port server, and step S102 is entered again.

S105: When all the BMCs to be updated have received the image file, perform firmware update based on the image file.

In this step, after all the BMCs have received the image files, they update according to the received image files. As a preferred embodiment, this step may include: checking whether the image file needs to be updated according to the firmware update rule of the target BMC; if so, when all the BMCs to be updated have received the image file, based on The image file is updated with firmware. In the specific implementation, users can customize the firmware update rules of each BMC, such as regular update, shutdown update, BMC abnormal update, etc., to meet the flexible requirements of different BMCs.

In the firmware update method provided by the embodiment of the present application, when the BMC network is abnormal, the serial port server to which the BMC belongs is used to reconfigure its network parameters, so that the network state is restored to normal. It can be seen that the firmware update method provided by the embodiment of the present application relies on the serial port server to realize the firmware update for the BMC with abnormal upgrade function, and firstly distributes the image file to the BMC in the update list before implementing the firmware update itself, preventing the When the image file is lost due to the restart of the BMC, sudden network failure, etc., each BMC can serve as the provider of the image file and update list, achieving the effect of point-to-point.

The embodiment of the present application discloses a firmware update method. Compared with the previous embodiment, the present embodiment further describes and optimizes the technical solution. specific:

Referring to FIG. 2, a flowchart of another firmware update method according to an exemplary embodiment, as shown in FIG. 2, includes:

S201: when receiving the image file and the firmware update list, select candidate BMCs from the firmware update list; wherein, the firmware update list records the attribute information of all BMCs to be updated;

S202: Determine whether the network status of the candidate BMC is normal; if so, enter S203; if not, enter S205;

S203: Send a query command to the candidate BMC, so as to determine whether the candidate BMC has received the image file and the firmware update list; if so, re-enter step S201; if not, enter S204;

In this embodiment, in order to reduce the process of sending the image file and the firmware update list, the target BMC first sends a query command to the candidate BMC to determine whether the candidate BMC has received the image file and the update list, and then proceeds to step S201, from the firmware The candidate BMC is re-selected in the update list, and if it is not received, it goes to S204, and the image file and the firmware update list are sent to the candidate BMC.

S204: Send the image file and the firmware update list to the candidate BMC;

S205: Based on the attribute information of the candidate BMC, use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, and use the serial port server to reconfigure the network parameters of the candidate BMC , and repeat step S202;

S206: when all the BMCs to be updated have received the image file, perform firmware update based on the image file;

S207: Receive the firmware update status returned by the candidate BMC, and return the firmware update status of the target BMC and the candidate BMC to the sender of the image file.

In a specific implementation, after each candidate BMC completes the update based on the image file, it returns the firmware update state to the target BMC. After the target BMC completes the update based on the image file, the firmware update state of the local machine and the received firmware update state of the candidate BMC are updated. Report to the sender and re-enter the step of selecting candidate BMCs from the firmware update list.

A firmware update apparatus provided by an embodiment of the present application is introduced below. A firmware update apparatus described below and a firmware update method described above can be referred to each other.

Referring to FIG. 3 , a structural diagram of a firmware updating apparatus according to an exemplary embodiment, as shown in FIG. 3 , includes:

The selection module 301 is used to select candidate BMCs from the firmware update list when receiving the image file and the firmware update list; wherein, the firmware update list records the attribute information of all BMCs to be updated;

The first judgment module 302 is used to judge whether the network state of the candidate BMC is normal; if so, start the work flow of the sending module 303; if not, start the work flow of the configuration module 304;

The sending module 303 is configured to send the image file and the firmware update list to the candidate BMC, so that the candidate BMC starts the workflow of the selection module 301 as the target BMC;

The configuration module 304 is configured to use the serial port server to which the candidate BMC belongs to update the spiflash of the candidate BMC based on the attribute information of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, and use the serial port server to reconfigure all the settings. the network parameters of the candidate BMC, and restart the workflow of the first judgment module 302;

The update module 305 is configured to perform firmware update based on the image file when all the BMCs to be updated have received the image file.

The firmware update device provided by the embodiment of the present application uses the serial port server to which the BMC belongs to reconfigure its network parameters when the BMC network is abnormal, so that the network state returns to normal. It can be seen that the firmware update device provided by the embodiment of the present application relies on the serial port server to implement firmware update for the BMC with abnormal upgrade function, and firstly distributes the image file to the BMC in the update list before implementing the firmware update itself, preventing the When the image file is lost due to the restart of the BMC, sudden network failure, etc., each BMC can serve as the provider of the image file and update list, achieving the effect of point-to-point.

On the basis of the above embodiment, as a preferred implementation manner, the attribute information includes the IP address of the BMC to be updated, the IP address of the serial port server to which the BMC to be updated belongs, the serial port server code to which the serial port server belongs, and The firmware update rule of the to-be-updated BMC.

On the basis of the foregoing embodiment, as a preferred implementation manner, the configuration module 304 includes:

An update unit, used for updating the spiflash of the candidate BMC by utilizing the serial port server to which the candidate BMC belongs based on the IP address of the serial port server to which the candidate BMC belongs and the serial port server number to which the candidate BMC belongs;

A configuration unit, configured to trigger the restart of the register corresponding to the candidate BMC, use the serial port server to reconfigure the network parameters of the candidate BMC, and restart the work flow of the first judgment module 302 .

On the basis of the above embodiment, as a preferred implementation manner, the update module 305 specifically checks whether the image file needs to be updated according to the firmware update rule of the target BMC; Updated module.

On the basis of the above-mentioned embodiment, as a preferred implementation manner, the firmware update rule includes any one or a combination of any of timing update, shutdown update, and BMC abnormal update.

On the basis of the above embodiment, as a preferred implementation, it also includes:

The returning module is configured to receive the firmware update status returned by the candidate BMC, and return the firmware update status of the target BMC and the candidate BMC to the sender of the image file.

On the basis of the above embodiment, as a preferred implementation, it also includes:

The second judgment module is configured to send a query command to the candidate BMC, so as to judge whether the candidate BMC has received the image file and the firmware update list; if so, restart the workflow of the selection module 301 ; if not, start the work flow of the sending module 303 .

Regarding the apparatus in the above-mentioned embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be described in detail here.

The present application further provides an electronic device. Referring to FIG. 4 , a structural diagram of an electronic device 400 provided by an embodiment of the present application, as shown in FIG. 4 , may include a processor 11 and a memory 12 . The electronic device 400 may also include one or more of a multimedia component 13 , an input/output (I/O) interface 14 , and a communication component 15 .

Wherein, the processor 11 is used to control the overall operation of the electronic device 400 to complete all or part of the steps in the above-mentioned firmware update method. The memory 12 is used to store various types of data to support operations on the electronic device 400, such data may include, for example, instructions for any application or method operating on the electronic device 400, and application-related data, Such as contact data, messages sent and received, pictures, audio, video, and so on. The memory 12 can be implemented by any type of volatile or nonvolatile storage device or a combination thereof, such as static random access memory (Static Random Access Memory, SRAM for short), electrically erasable programmable read-only memory ( Electrically Erasable Programmable Read-Only Memory (EEPROM for short), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), read-only Memory (Read-Only Memory, ROM for short), magnetic memory, flash memory, magnetic disk or optical disk. Multimedia components 13 may include screen and audio components. Wherein the screen can be, for example, a touch screen, and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may be further stored in the memory 12 or transmitted through the communication component 15 . The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 14 provides an interface between the processor 11 and other interface modules, and the above-mentioned other interface modules may be a keyboard, a mouse, a button, and the like. These buttons can be virtual buttons or physical buttons. The communication component 15 is used for wired or wireless communication between the electronic device 400 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC for short), 2G, 3G or 4G, or a combination of one or more of them, so the corresponding communication component 15 may include: Wi-Fi -Fi module, bluetooth module, NFC module.

In an exemplary embodiment, the electronic device 400 may be implemented by one or more application-specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), digital signal processors (Digital Signal Processor, DSP for short), digital signal processing devices (Digital Signal Processing). Processing Device (DSPD for short), Programmable Logic Device (PLD for short), Field Programmable Gate Array (FPGA for short), controller, microcontroller, microprocessor or other electronic components , which is used to execute the above firmware update method.

In another exemplary embodiment, there is also provided a computer-readable storage medium comprising program instructions, the program instructions implementing the steps of the above firmware updating method when executed by a processor. For example, the computer-readable storage medium can be the above-mentioned memory 12 including program instructions, and the above-mentioned program instructions can be executed by the processor 11 of the electronic device 400 to complete the above-mentioned firmware update method.

The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can also be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is no such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Claims (10)

1. A firmware updating method is applied to a target BMC, wherein the target BMC is a BMC with a normal network state, and the method comprises the following steps:

when an image file and a firmware update list are received, selecting a candidate BMC from the firmware update list; the firmware updating list records attribute information of all BMCs to be updated;

judging whether the network state of the candidate BMC is normal;

if so, sending the image file and the firmware update list to the candidate BMC so that the candidate BMC can be used as the target BMC to select the candidate BMC from the firmware update list;

if not, updating the spiflash of the candidate BMC by using the serial port server to which the candidate BMC belongs based on the attribute information of the candidate BMC, triggering the register corresponding to the candidate BMC to restart, reconfiguring the network parameter of the candidate BMC by using the serial port server, and re-entering the step of judging whether the network state of the candidate BMC is normal;

and when all the BMCs to be updated receive the image files, updating the firmware based on the image files.

2. The firmware updating method according to claim 1, wherein the attribute information includes an IP address of the BMC to be updated, an IP address of a serial server to which the BMC to be updated belongs, a serial server code to which the serial server belongs, and a firmware updating rule of the BMC to be updated.

3. The firmware updating method according to claim 2, wherein the updating the spiflash of the candidate BMC by using the serial server to which the candidate BMC belongs based on the attribute information of the candidate BMC comprises:

and updating the spiflash of the candidate BMC by using the serial server of the candidate BMC based on the IP address of the serial server of the candidate BMC and the serial number of the serial server of the candidate BMC.

4. The firmware updating method according to claim 1, wherein the updating the firmware based on the image file comprises:

checking whether the image file needs to be updated according to a firmware updating rule of the target BMC;

and if so, updating the firmware based on the image file.

5. The firmware update method according to claim 4, wherein the firmware update rule comprises any one or a combination of a timing update, a shutdown update, and a BMC exception update.

6. The firmware updating method according to claim 1, further comprising, after the firmware update based on the image file:

and receiving the firmware updating state returned by the candidate BMC, and returning the firmware updating states of the target BMC and the candidate BMC to a sender of the image file.

7. The firmware update method according to any one of claims 1 to 6, wherein before sending the image file and the firmware update list to the candidate BMC, the method further comprises:

sending a query command to the candidate BMC to determine whether the candidate BMC has received the image file and the firmware update list;

if yes, re-entering the step of selecting the candidate BMC from the firmware updating list;

and if not, executing the step of sending the image file and the firmware update list to the candidate BMC.

8. A firmware update device is applied to a target BMC, wherein the target BMC is a BMC with a normal network state, and the device comprises:

the system comprises a selecting module, a setting module and a judging module, wherein the selecting module is used for selecting a candidate BMC from a firmware updating list when receiving a mirror image file and the firmware updating list; the firmware updating list records attribute information of all BMCs to be updated;

the first judgment module is used for judging whether the network state of the candidate BMC is normal or not; if yes, starting the working process of the sending module; if not, starting the working process of the configuration module;

the sending module is configured to send the image file and the firmware update list to the candidate BMC, so that the candidate BMC starts a workflow of the selecting module as the target BMC;

the configuration module is configured to update the spiflash of the candidate BMC by using the serial server to which the candidate BMC belongs based on the attribute information of the candidate BMC, trigger the restart of the register corresponding to the candidate BMC, reconfigure the network parameters of the candidate BMC by using the serial server, and restart the workflow of the first judgment module;

and the updating module is used for updating the firmware based on the image file when all the BMCs to be updated receive the image file.

9. An electronic device, comprising:

a memory for storing a computer program;

a processor for implementing the steps of the firmware update method according to any one of claims 1 to 7 when executing the computer program.

10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the firmware updating method according to any one of claims 1 to 7.

Images