WO2023141832A1 - Procédé de mise à jour de programme et appareil de mise à jour de programme - Google Patents

Procédé de mise à jour de programme et appareil de mise à jour de programme Download PDF

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Publication number
WO2023141832A1
WO2023141832A1 PCT/CN2022/074107 CN2022074107W WO2023141832A1 WO 2023141832 A1 WO2023141832 A1 WO 2023141832A1 CN 2022074107 W CN2022074107 W CN 2022074107W WO 2023141832 A1 WO2023141832 A1 WO 2023141832A1
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Prior art keywords
program
storage area
boot
application program
boot program
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PCT/CN2022/074107
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English (en)
Chinese (zh)
Inventor
魏梦华
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宁德时代新能源科技股份有限公司
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Priority to CN202280054960.9A priority Critical patent/CN117940892A/zh
Priority to PCT/CN2022/074107 priority patent/WO2023141832A1/fr
Publication of WO2023141832A1 publication Critical patent/WO2023141832A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/70—Software maintenance or management
    • G06F8/71—Version control; Configuration management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping

Definitions

  • the present disclosure relates to the field of electronic and electrical technologies, and more particularly, to a program updating method and a program updating device.
  • Program update is a common technology in the fields of electronics and electricity, and is involved in many application scenarios.
  • the ECU often includes a processor and a memory, and the memory stores a boot program and/or application program, and the processor of the ECU starts the vehicle control by executing the boot program stored in the memory.
  • the system further realizes the corresponding functions by starting the application program.
  • the processor cannot normally read the boot program and/or application program from the memory after the power is turned on again, causing the vehicle control system to fail. The corresponding function cannot be realized, and even the vehicle control system cannot be started.
  • Embodiments of the present disclosure provide a program update method and a program update device, which can improve the security of program update.
  • a method for updating a program includes: starting a first boot program from a first storage area of a memory, the memory further includes a second storage area and a third storage area, and the second storage area is in In an inactive state, the third storage area is in an active state; if there is a program update task, store the first application program corresponding to the update task in the second storage area through the first boot program; Execute a storage area state configuration operation through the first boot program, so that the second storage area is in an active state and the third storage area is in an inactive state; start the second storage area through the first boot program an application.
  • the method before starting the first application program through the first boot program, the method further includes: performing a restart function through the first boot program; The zone starts the first bootloader.
  • the storing the first application program corresponding to the update task in the second storage area through the first boot program includes: determining through the first boot program that it is inactive The state storage area is the second storage area; the first application program corresponding to the update task is stored in the second storage area through the first boot program.
  • the starting the first application program through the first boot program includes: determining through the first boot program that the storage area in the activated state is the second storage area; The first boot program starts the first application program stored in the second storage area.
  • the first application program includes a control instruction for updating the first boot program to the second boot program
  • the method further includes: updating the second boot program through the first application program.
  • the boot program is stored in the first storage area.
  • the memory further includes a fourth storage area
  • the method further includes: starting the boot program from the first storage area; when an exception occurs when starting the boot program from the first storage area Next, start the jump program from the fourth storage area; start the first application program through the jump program; store the second boot program in the first storage area through the first application program .
  • the starting the first application program through the jump program includes: determining through the jump program that the storage area in the activated state is the second storage area; The jump program starts the first application program in the second storage area.
  • the method further includes: performing storage through the first application program area state configuration operation so that the second storage area is in an inactive state and the third storage area is in an active state; starting the second boot program from the first storage area; Booting and starting the second application program in the third storage area.
  • the method before starting the second boot program from the first storage area, the method further includes: executing a restart function through the first application program.
  • the method further includes: when there is no program update task, determining, through the first boot program, that the storage area in the activated state is the third storage area; A boot program starts the second application program in the third storage area.
  • the method further includes: receiving program update indication information through the second application program, the program update indication information indicating that there is a program update task; determining whether the task can be executed through the second application program The program update task; when it is determined that the program update task can be executed, execute a restart function through the second application program; start the first boot program from the first storage area.
  • a program update device in a second aspect, includes a processor, and further includes the memory mentioned in the first aspect above, and the processor implements any one of the first aspects above by executing the computer instructions.
  • FIG. 1 is a structural diagram of a program update device provided by one or more embodiments of the present disclosure
  • Fig. 2 is a flowchart of a method for updating a program provided by one or more embodiments of the present disclosure
  • Fig. 3 is a flow chart of another program update method provided by one or more embodiments of the present disclosure.
  • Fig. 4 is a structural diagram of a program updating apparatus provided by one or more embodiments of the present disclosure.
  • a common computer system such as a vehicle control system or an ECU of a vehicle device includes a processor and a memory, and a boot program and an application program are stored in the memory.
  • the processor When the computer system is started, the processor first executes the boot program in the memory, and starts through the boot program.
  • Application programs and then realize various application functions of the computer system through application programs.
  • In the process of updating the boot program and/or application program if there is an interruption such as a power failure, there will be no operative boot program and/or application program in the memory, causing the computer system to fail to implement application functions or even fail to start .
  • the present disclosure proposes a program updating method and a program updating device.
  • Fig. 1 illustrates a structural diagram of a program updating apparatus provided by one or more embodiments of the present disclosure.
  • the program update device 100 includes a processor 101 and a memory 102.
  • the memory 102 includes a first storage area 1021, a second storage area 1022, and a third storage area 1023.
  • the processor 101 can be used to execute the Stored computer programs and/or instructions to implement the program update method provided by one or more embodiments of the present disclosure.
  • the first storage area 1021 shown in FIG. 1021, the second storage area 1022, and the third storage area 1023 must be physically and/or logically continuous storage areas, and the area of each storage area in Figure 1 does not represent the storage space size of the storage area.
  • each storage area of the memory should be understood in a broad sense.
  • the program update device 100 includes an ECU of a vehicle device, the processor 101 includes a processor of the ECU, and the memory 102 includes a memory of the ECU, and the processor of the ECU starts the vehicle control system by executing the boot program stored in the memory of the ECU, and further The management and control of the vehicle device can be realized by starting the application program stored in the memory, and the boot program and/or the update program corresponding to the application program can also be stored in the memory to realize the program update function. It is worth noting that the present disclosure does not limit the form, structure, and model of the program update device 100, processor 101, and memory 102, and any device that can implement corresponding processing and storage functions can be applied to the present disclosure. one or more embodiments.
  • Fig. 2 shows a flowchart of a program updating method 200 provided by one or more embodiments of the present disclosure.
  • the program update method 200 includes:
  • Step S201 start the first boot program from the first storage area of the memory, the memory also includes a second storage area and a third storage area, the second storage area is in an inactive state, and the third storage area is active state;
  • the program update method in one or more embodiments provided by the present disclosure may be executed by the program update apparatus 100 shown in FIG. 1 .
  • the first boot program is stored in the first storage area 1021 of the memory 102 , and in step S201 , the program updating apparatus 100 may pass the first boot program in the first storage area 1021 of the processor 101 .
  • the boot program is used to complete basic functions when the computer system is started, and the boot program may be a bootloader or a firmware program, or other forms of programs.
  • the second storage area 1022 of the memory 102 is in an active state
  • the third storage area 1023 is in an inactive state
  • the second storage area 1022 and the third storage area 1023 can be indicated to be in an active state or inactive in any existing or future manner state.
  • the state identification information is stored in the memory 102, and the state identification information includes a first value and a second value (such as 0 and 1).
  • the state identification information When the state identification information is in the first value, it indicates that the second storage area 1022 is in an active state and the third The storage area 1023 is in an inactive state, and when the state identification information is at the second value, it indicates that the second storage area 1022 is in an inactive state and the third storage area 1023 is in an active state;
  • the state identification information, the first value and the second value of the state identification information respectively indicate that the second storage area 1022 is in an active state and an inactive state, and store the state identification information of the third storage area 1023 through the memory 102, the state The first value and the second value of the identification information are respectively used to indicate that the third storage area 1023 is in an active state and an inactive state; the state identification information of the second storage area 1022 and the third storage area 1023 are also stored, for example, through the memory 102
  • the status identification information of the second storage area 1022 is based on the relationship between the status identification information of the second storage area 1022 and the status identification information of the third storage area 1023 to determine the
  • Step S202 If there is a program update task, store the first application program corresponding to the update task in the second storage area through the first boot program;
  • step S202 if there is a program update task, the program update device 100 stores the first application program corresponding to the update task in the second storage area 1022 through the first boot program. Region 1022 is inactive.
  • using the first boot program to store the first application program corresponding to the update task in the second storage area includes: using the first boot program to determine that the storage area in the inactive state is the the second storage area; storing the first application program corresponding to the update task in the second storage area through the first bootstrap program.
  • any location in the memory 102 may store program update task indication information, the first value of the update task indication information indicates that there is an update task, and the second value of the update task indication information indicates that there is no update task.
  • step S202 After the program update device 100 starts the first boot program through step S101, it can obtain the update task indication information through the first boot program, and if the update task indication information indicates that there is an update task, use the first boot program to update the first boot program corresponding to the update task.
  • An application program is stored in the storage area in the inactive state in the two storage areas of the second storage area 1022 and the third storage area 1023, for example, the second storage area 1022 is in the inactive state, so the first application program can be stored in In the second storage area 1022, the first application program is, for example, an updated version of an old application program, and may also be an application program implementing various other functions, which is not limited in the present disclosure.
  • the program update device can obtain the first application program in a wireless or wired manner, for example, obtain the first application program through an over-the-air technology. Access to various programs is not limited.
  • Step S203 Execute a storage area state configuration operation through the first boot program, so that the second storage area is in an active state, and the third storage area is in an inactive state;
  • step S202 the program update device 100 has stored the first application program corresponding to the update task in the inactive second storage area 1022 through the first boot program, and in step S203, the program update device can use the The first boot program configures the state of the second storage area 1022 from the inactive state to the active state, and configures the state of the third storage area 1023 from the inactive state to the active state.
  • Step S204 Start the first application program through the first bootstrap program.
  • the second storage area 1022 is configured to be in the active state and the third storage area 1023 is configured to be in the inactive state, and the first storage area is stored in the second storage area.
  • the first application program in the activated second storage area 1022 may be started by the first boot program.
  • the step S204: using the first boot program to start the first application program includes: using the first boot program to determine that the storage area in the activated state is the second a storage area; starting the first application program stored in the second storage area through the first boot program.
  • the second storage area 1022 is configured to be in an activated state, and in step S204, the storage area in the activated state can be determined as the second storage area 1022 through the first boot program according to the state identification information, and then through the second A boot program starts the first application stored in the activated second storage area 1022 .
  • the first boot program is stored in the first storage area 1021 in the memory 102 of the ECU, and the status identification information stored in the memory 102 indicates that the second storage area 1022 is in non- Activated state and the third storage area 1023 is in the activated state, if the second application program is stored in the third storage area 1023, in this case, if the ECU of the vehicle device is powered on, it will first start from the first storage area 1021
  • the first boot program when it is determined that there is no program update task according to the program update task indication information, the first boot program will determine that the storage area in the active state is the third storage area 1023, and then start to store in the third storage area 1023.
  • the second application program is, for example, used to realize the control function of the vehicle device, so through the above process, the ECU realizes the control of the vehicle.
  • the ECU of the vehicle device starts the first boot program from the first storage area 1021.
  • step S202 when the first boot program determines that there is a program update task according to the program update task indication information, it can be determined according to the state identification information.
  • the first bootstrap program modifies the state identification information of the second storage area 1022 so that the second storage area 1022 is in an active state, and also modifies the third storage area 1023 The state identification information of the third storage area 1023 is in an inactive state.
  • the first bootstrap program starts the application program in the storage area in the active state, because in step S203 the second storage area 1022 is configured to be in the Therefore, in step S204, the first application program in the second storage area 1022 is started through the first boot program, and the first application program is safely updated to the second storage area as the update program corresponding to the program update task. in the area.
  • the first application program is an updated version of the second application program
  • the ECU can start the first boot program from the first storage area 1021 after power-on, and then the first boot program starts the first boot program of the updated version.
  • the application program realizes the control function of the vehicle device instead of the second application program.
  • the update program corresponding to the program update task is stored in an inactive storage area, and The program update can be completed safely by modifying the storage area from the inactive state to the active state, and then starting the update program.
  • the first boot program determines that the storage area in the active state is the third storage area; the first boot program activates the third storage area; the second application program in the third storage area. For example, based on step S201, the program update device 100 starts the first boot program from the first storage area 1021 of the memory 102, at this time the second storage area 1022 is in an inactive state, the third storage area 1023 is in an active state, and then the first boot program When it is determined that there is no program update task, the activated storage area may be determined as the third storage area 1023 according to the state identification information, so as to execute the second application program stored in the third storage area 1023 .
  • the first boot program may store the first application program corresponding to the program update task in the second storage area 1022 in an inactive state, and then store The area state configuration operation configures the second storage area 1022 to be in the activated state, and then starts the first application program corresponding to the update task from the activated second storage area 1022 to safely complete the program update.
  • the first application The program is an updated version of the second application program.
  • the program update method 200 further includes: performing a restart function through the first boot program;
  • the first storage area starts the first boot program.
  • the boot program of the program updating apparatus 100 may be configured to determine the storage area in the active state from the two storage areas of the second storage area 1022 and the third storage area 1023, and start the application program stored in the storage area in the active state , so that based on one or more of the foregoing embodiments, taking the storage of the first bootstrap program in the first storage area 1021 as an example, the updated first application program is stored in the second storage area 1022 through steps S201-S203 and passed through the storage area
  • the restart function can be executed through the first boot program, so that the program update device 100 will restart and start the first boot from the first storage area 1021 of the memory 102 again. program, the first boot program will start the first application program stored in the activated second storage area 1022
  • FIG. 3 is a flowchart of a program updating method 300 provided by one or more embodiments of the present disclosure. Steps S201-S204 of the program updating method 300 shown in FIG.
  • the first application program includes a control instruction for updating the first boot program to the second boot program
  • the program updating method 300 further includes step S305: updating the first boot program to the second boot program.
  • the second boot program is stored in the first storage area.
  • the second boot program is an updated version of the aforementioned first boot program.
  • the first application program stored in the second storage area 1022 in an activated state is activated through the first boot program, and the first application program
  • the program includes a control instruction for updating the first boot program to the second boot program, so that after starting the first application program, in step S305, the first application program will write the second boot program into the first storage area 1021, In order to realize the updating of the first bootstrap program.
  • the first application program will execute the restart function, so that the program update device 100 will start the boot program stored in the first storage area 1021, since the first application program has been passed in step S305
  • the program writes the second boot program into the first storage area 1021 , so the program update device 100 starts the second boot program from the first storage area 1021 , so that the updated boot program can run normally.
  • the second boot program may be configured to determine the storage area in the activated state from the two storage areas of the second storage area 1022 and the third storage area 1023, and start the application program stored in the storage area in the activated state, For a specific implementation manner, reference may be made to the previous description, which will not be repeated here.
  • the memory 102 further includes a fourth storage area 1024, and the method further includes: starting the boot program from the first storage area; In an abnormal situation, start a jump program from the fourth storage area; start the first application program through the jump program; store the second boot program in the first application program through the first application program a storage area.
  • step S305 that is, during the process of the first application program writing the second boot program into the first storage area 1021, unexpected events such as a power outage occur, which will cause the first storage area 1021 to not store complete
  • the original stored first boot program is deleted from the memory due to the writing of the second boot program, and the second boot program cannot be run without being completely written into the memory due to power failure.
  • the program update device 100 When the power is turned on, The program update device 100 will start the boot program from the first storage area 1021 , since no complete boot program is stored in the first storage area 1021 , an abnormality will occur when starting the boot program, and the system cannot be started. Therefore, the program update device 100 can store the jump program in the fourth storage area 1024. After the program update device 100 is powered on, it will start the boot program from the first storage area 1021, and an abnormal situation occurs when the boot program is started from the first storage area 1021.
  • the jump program will be started from the fourth storage area 1024, and the first application program will be started through the jump program, and the first application program may include a control instruction for updating the first boot program to the second boot program , so the second boot program can be stored in the first storage area 1021 through the first application program, and the update function of the boot program can be safely completed.
  • the program update device 100 can start the jump program in a manner similar to that of starting the boot program, for example, storing the logic and/or physical address of the fourth storage area 1024 and/or the jump program through the memory 102 or other storage devices, and then from the first In the case of an abnormality in starting the boot program in a storage area 1021, the jump program is started according to the logical and/or physical address. Of course, other ways can also be used to start the jump program.
  • the starting the first application program through the jump program includes: determining through the jump program that the storage area in the activated state is the second storage area; The jump program starts the first application program in the second storage area.
  • the storage area in the active state is determined through the state identification information stored in the memory 102 , and the specific implementation manner may refer to the previous description, which will not be repeated here.
  • the program update device 100 starts the first application program in the activated second storage area 1022 through the first boot program, and the first application program includes the first storage area 1021
  • the boot program stored in (for example, the first boot program) is updated to the control instruction of the second boot program, and then according to the aforementioned step S305, the second boot program is stored in the first storage through the first application program.
  • step S305 in order to update the first boot program to the second boot program, in the process of executing step S305, if unexpected events such as power outages occur, no complete boot program is stored in the first storage area 1021, so that the system will After power-on, when the program update device starts the boot program from the first storage area 1021, it will cause an abnormality in the boot program, and then the program update device will start the jump program from the fourth storage area 1024, and determine whether it is activated by the jump program.
  • the storage area of the state is the second storage area 1022 , and then the first application program in the second storage area 1022 will be started, and the first application program will continue to update the second boot program into the first storage area 1021 .
  • the method further includes: through the first application program performing a storage area state configuration operation so that the second storage area is in an inactive state and the third storage area is in an active state; starting the second boot program from the first storage area; The second boot launches a second application program in the third storage area.
  • the method further includes: executing a restart function through the first application program.
  • the first boot program is stored in the first storage area 1021 in the memory 102 of the ECU, and the status identification information stored in the memory 102 indicates that the second storage area 1022 is in non- Activated state and the third storage area 1023 is in the activated state, and the second application program is stored in the third storage area 1023, in this case, if the ECU of the vehicle device is powered on, it will first start from the first storage area 1021
  • the first boot program when it is determined that there is no program update task according to the program update task indication information, the first boot program will determine that the storage area in the active state is the third storage area 1023, and then start to store in the third storage area 1023.
  • the second application program for example, is used to realize the control function of the vehicle device, so that through the above process, the ECU realizes the control of the vehicle. If it is determined according to the program update task indication information that there is an update task, the storage area in the inactive state may be determined according to the state identification information and the first application program corresponding to the program update task is stored in the storage area in the inactive state, because The state identification information of the second storage area 1022 indicates that the second storage area 1022 is in an inactive state, so the first application program is stored in the second storage area 1022, and based on step S203, the first boot program modifies the second storage area 1022 State identification information so that the second storage area 1022 is in an active state, and the state identification information of the third storage area 1023 is also modified so that the third storage area 1023 is in an inactive state.
  • the first boot program starts the active state.
  • the first application program in the second storage area 1022 is started in step S204 through the first bootstrap program,
  • the first application program is safely updated into the second storage area as an update program corresponding to the program update task.
  • the first application program includes a control instruction for updating the first boot program to the second boot program, so after starting the first application program, according to step S305, the second boot program will be stored in the first storage In the area 1021, after the second boot program is stored in the first storage area 1021, the storage area state configuration operation will be performed through the first application program, so that the second storage area 1022 is in an inactive state, and Make the third storage area 1023 in the active state, and then execute the restart function through the first application program, after restarting, the program update device 100 will read the boot program from the first storage area 1021 again, because the updated second boot program has been Stored in the first storage area 1021, the second boot program will be read and run, and then the activated storage area will be determined by the second boot program, because the third storage area in the second storage area 1022 and the third storage area 1023
  • the area 1023 is configured by the first application program to be in the activated state, so that the second application program in the activated third storage area 1023 will be executed.
  • the second application program is used to realize the vehicle device control function, for example.
  • the ECU stores the first application program in the memory 102, and updates the first boot program to the second boot program through the first application program, and then starts the second application program through the second boot program, and continues The control of the vehicle is realized through the second application program.
  • an embodiment of the present disclosure further provides a readable storage medium for storing a computer program, and the computer program is used to implement the methods of the aforementioned various embodiments of the present disclosure when executed by a computer.
  • serial numbers of the processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, rather than by the embodiments of the present disclosure.
  • the implementation process constitutes any limitation.

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Abstract

Des modes de réalisation de la présente divulgation concernent un procédé de mise à jour de programme et un appareil de mise à jour de programme. Le procédé de mise à jour de programme consiste : à mettre en marche un premier chargeur de démarrage à partir d'une première zone de stockage d'une mémoire, la mémoire comprenant en outre une deuxième zone de stockage et une troisième zone de stockage, la deuxième zone de stockage étant dans un état inactif, et la troisième zone de stockage étant dans un état actif ; en présence d'une tâche de mise à jour de programme, à stocker une première application correspondant à la tâche de mise à jour dans la deuxième zone de stockage au moyen du premier chargeur de démarrage ; à exécuter une opération de configuration d'état de zone de stockage au moyen du premier chargeur de démarrage de telle sorte que la deuxième zone de stockage soit dans un état actif et que la troisième zone de stockage soit dans un état inactif ; et à démarrer la première application au moyen du premier chargeur de démarrage. Au moyen du procédé de mise à jour de programme fourni dans les modes de réalisation de la présente divulgation, la sécurité de mise à jour de programme peut être améliorée.
PCT/CN2022/074107 2022-01-26 2022-01-26 Procédé de mise à jour de programme et appareil de mise à jour de programme WO2023141832A1 (fr)

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CN202280054960.9A CN117940892A (zh) 2022-01-26 2022-01-26 程序更新方法和程序更新装置
PCT/CN2022/074107 WO2023141832A1 (fr) 2022-01-26 2022-01-26 Procédé de mise à jour de programme et appareil de mise à jour de programme

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