CN101826026A - Embedded equipment and on-line updating system and method of firmware in embedded equipment - Google Patents
Embedded equipment and on-line updating system and method of firmware in embedded equipment Download PDFInfo
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Abstract
The invention discloses embedded equipment and an on-line updating system and a method of a firmware in embedded equipment. The embedded equipment comprises a storage module, a downloading module and a guidance loading module, wherein, the storage module comprises a current operating firmware storage area and a firmware mapping file storage area; the downloading module is used for downloading the firmware mapping file of which the downloading edition is superior to that of the current operating firmware, and storing the firmware mapping file into the firmware mapping file storage area; and the guidance loading module is used for loading and calling the firmware mapping file. The embedded equipment and the on-line updating system and the method of the firmware in the embedded equipment of the invention are characterized in that by adopting the method, the firmware mapping file is downloaded from a server via a network and stored into the corresponding storage area; and after the system is restarted, the firmware mapping file is guided to load. Compared with the prior art, the invention simplifies the firmware updating steps, improves updating speed and success rate, lowers updating cost and prolongs the service life of the embedded equipment.
Description
Technical field
The present invention relates to the embedded device field, relate in particular to the system and method for firmware on line upgrading in a kind of embedded device and this embedded device.
Background technology
In embedded device, kernel firmware or file system firmware are upgraded, generally Target Board is connected to main frame, finish escalation process by JTAG mouth, serial ports or network interface.The realization of firmware upgrade need adopt specific purpose tool that firmware to be updated is carried out burning in this embedded device, and more complicated operates.For domestic consumer is a job that is difficult to finish.
Summary of the invention
One of purpose of the present invention is to provide the system and method for firmware on line upgrading in a kind of embedded device, the embedded device, simplifies the step of firmware upgrade in the embedded device, improves the speed and the efficient of firmware upgrade.
The present invention proposes a kind of embedded device, it comprises: memory module, download module and Bootstrap Loading module;
Wherein, described memory module comprises: current operation firmware storage areas and firmware mapping file memory block;
Described download module is used for being higher than from the server download version firmware mapping file of current operation firmware, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Described Bootstrap Loading module is used for calling firmware mapping file from the loading of firmware mapping file memory block.
Preferably, described embedded device comprises: whether detection module is used for detecting server and exists version to be higher than the firmware mapping file of current operation firmware.
Preferably, embedded device comprises: environmental variance is provided with module, is used to be provided with the initial address message (IAM) of described firmware mapping file memory block.
Preferably, described Bootstrap Loading module is used for searching described firmware mapping file according to described initial address message (IAM).
Preferably, described embedded device also comprises: authentication module is used to verify whether described firmware mapping file has been stored to the firmware mapping file memory block.
Preferably, described current operation firmware storage areas comprises: current operation kernel firmware storage areas and current runs file system firmware storage areas; Described firmware mapping file memory block comprises: kernel firmware mapping file memory block, file system firmware mapping file memory block.
The present invention proposes the method for firmware on line upgrading in a kind of embedded device in addition, and it may further comprise the steps:
Be higher than the firmware mapping file of current operation firmware from the downloaded version, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Call firmware mapping file from the loading of firmware mapping file memory block.
Preferably, described from server download version also comprise before being higher than the firmware mapping file step of current operation firmware:
Detecting in the server exists version to be higher than the firmware mapping file of current operation firmware.
Preferably, the described loading from the firmware mapping file memory block also comprises before calling the firmware mapping file step:
The initial address message (IAM) of firmware mapping file memory block is set;
Search described firmware mapping file according to described initial address message (IAM).
Preferably, the described initial address message (IAM) step that the firmware mapping file memory block is set also comprises before:
The checking firmware mapping file has been stored to the firmware mapping file memory block.
Preferably, described firmware mapping file comprises: kernel firmware mapping file and file system firmware mapping file.
The present invention also proposes the system of firmware on line upgrading in a kind of embedded device, wherein, comprises embedded device, the server that is connected with this embedded device network; Described embedded device comprises: memory module, download module and Bootstrap Loading module;
Wherein, described memory module comprises: current operation firmware storage areas and firmware mapping file memory block;
Described download module is used for being higher than from the server download version firmware mapping file of current operation firmware, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Described Bootstrap Loading module is used for calling firmware mapping file from the loading of firmware mapping file memory block.
Preferably, described embedded device comprises: whether detection module is used for detecting server and exists version to be higher than the firmware mapping file of current operation firmware.
Preferably, embedded device comprises: environmental variance is provided with module, is used to be provided with the initial address message (IAM) of described firmware mapping file memory block.
Preferably, described Bootstrap Loading module is used for searching described firmware mapping file according to described initial address message (IAM).
Preferably, described embedded device also comprises: authentication module is used to verify whether firmware mapping file is stored to the firmware mapping file memory block.
Preferably, described current operation firmware storage areas comprises: current operation kernel firmware storage areas and current runs file system firmware storage areas; Described firmware mapping file memory block comprises: kernel firmware mapping file memory block, file system firmware mapping file memory block.
The system and method for firmware on line upgrading in embedded device of the present invention, the embedded device, its method be by network download firmware image file from server, and this firmware mapping file is stored in its corresponding memory block; After system restarts, this firmware mapping file of Bootstrap Loading.Compared with prior art, simplified firmware upgrade step, improved speed and the success rate for upgrading of upgrading, reduced the cost of upgrading, prolonged the serviceable life of embedded device.
Description of drawings
Fig. 1 is the structural representation of the system implementation one of firmware on line upgrading in the embedded device of the present invention;
Fig. 2 is the structural representation of the system implementation two of firmware on line upgrading in the embedded device of the present invention;
Fig. 3 is the structural representation of the system implementation three of firmware on line upgrading in the embedded device of the present invention;
Fig. 4 is the interval distribution plan of embedded device of the present invention;
Fig. 5 is the structural representation of the system implementation four of firmware on line upgrading in the embedded device of the present invention;
Fig. 6 is the process flow diagram of the method embodiment one of firmware on line upgrading in the embedded device of the present invention;
Fig. 7 is the process flow diagram of the method embodiment two of firmware on line upgrading in the embedded device of the present invention;
Fig. 8 is the process flow diagram of the method embodiment three of firmware on line upgrading in the embedded device of the present invention;
Fig. 9 is the process flow diagram of the method embodiment four of firmware on line upgrading in the embedded device of the present invention.
Embodiment
The present invention is in order to realize firmware on line upgrading in the embedded device, embedded device is inserted in the slot of server, and the IP address and the subnet mask of configuration embedded device, thereby embedded device is connected with this server network, form the system of firmware on line upgrading in the embedded device.This online upgrade system is set up on the basis of described embedded device: be used for storing current operation firmware and firmware mapping file storer, be used for from the download module of server download firmware image file and be used to load the Bootstrap Loading module of calling firmware mapping file.
The system embodiment one of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 1, comprise embedded device 10 and with the server 20 of these embedded device 10 network-in-dialings; Described embedded device 10 comprises: memory module 12, download module 11 and Bootstrap Loading module 13.
Wherein, memory module 12 comprises: current operation firmware storage areas and firmware mapping file memory block are respectively applied for the firmware of the current operation of storage and the firmware mapping file of download.Current operation firmware storage areas is divided into again: current operation kernel firmware storage areas kernel0, current runs file system firmware storage areas FS0, it is respectively applied for the kernel firmware and the file system firmware of the current operation of storage.The firmware mapping file memory block is divided into again: kernel firmware mapping file memory block kernel1, file system firmware mapping file memory block FS1, it is respectively applied for kernel firmware mapping file and file system firmware mapping file that storage is downloaded from server 20.Wherein, described memory block kernel0 is consistent with the area size of memory block kernel1; Simultaneously, described memory block FS0 is consistent with the area size of memory block FS1.
Described download module 11 is used for being higher than the firmware mapping file of current operation firmware version from server 20 download version, and is stored to the firmware mapping file memory block.
Described Bootstrap Loading module 13 is used for the initialization system hardware module, and the start address and end address, the selection that define each firmware storage areas load the invocation target firmware mapping file.
Further, the system embodiment two of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 2, described embedded device 10 also includes detection module 14, be used to detect server 20 and whether exist version to be higher than the firmware mapping file of current operation firmware, and testing result is sent to download module 11; Whether described download module 11 selects the download firmware image file according to testing result, and when there is described firmware mapping file in server 20, then download module 11 is downloaded described firmware mapping file from server 20, and is stored to the firmware mapping file memory block.
The system of firmware on line upgrading in the embedded device of the present invention, because the memory block of kernel firmware and file system firmware distinguishes, and the kernel firmware stores is divided into current inner firmware storage areas and kernel firmware mapping file memory block; The file system firmware stores is divided into current file system firmware memory block and file system firmware storage areas; Therefore can realize the independent upgrading of kernel firmware or file system firmware, can realize that also the two upgrades simultaneously.Below be three kinds of situations of firmware on line upgrading in the embedded device of the present invention:
First kind of situation: in server 20, have only the version of kernel firmware mapping file to be higher than the kernel firmware of current operation, then only download this kernel firmware mapping file, and it is stored in the corresponding kernel firmware mapping file memory block.After the system restart, this kernel firmware mapping file is called in 13 loadings of Bootstrap Loading module, after this kernel firmware mapping file operation finishes, reloads original file system firmware in the calling system.
Second kind of situation: in server 20, have only the version of file system firmware mapping file to be higher than the current runs file system firmware of system, then only download this document system firmware image file, and it is stored in the correspondent file system firmware mapping file memory block.After the system restart, Bootstrap Loading module 13 loads the original kernel firmware of calling system earlier, after this kernel firmware operation finishes, reloads and calls described file system firmware mapping file.
The third situation: the kernel firmware mapping file in server 20 and the version of file system firmware mapping file all are higher than the kernel firmware and the file system firmware of current operation, then download this kernel firmware mapping file and file system firmware mapping file simultaneously, and it is stored in corresponding kernel firmware storage areas and the file system firmware mapping file memory block; After the system restart, Bootstrap Loading module 13 loads calls described kernel firmware mapping file, after this kernel firmware mapping file operation finishes, reloads and calls described file system firmware mapping file.
Further, the system embodiment three of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 3, described embedded device 10 also comprises: environmental variance is provided with module 15, be used to be provided with the initial address message (IAM) of firmware mapping file memory block, described Bootstrap Loading module 13 can be searched corresponding firmware mapping file according to this initial address message (IAM), loads then and calls this firmware mapping file.
The system of firmware on line upgrading in the embedded device of the present invention, after firmware is finished online upgrading, when restarting the operation updated firmware, detecting server 20 exists version to be higher than the firmware mapping file of this upgrading back firmware, then described memory block kernel0 becomes kernel firmware mapping file memory block, and memory block kernel1 is the current inner firmware storage areas; Described memory block FS0 becomes file system firmware mapping file memory block, and memory block FS1 is current file system firmware memory block.The system of firmware on line upgrading in the embedded device of the present invention, every upgrading once then needs from server 20 download firmware image files, and it is stored to corresponding memory block, covers original firmware in this memory block.If precedingly the kernel firmware mapping file is stored to memory block kernel1 when once upgrading, this time then the kernel firmware mapping file is stored to memory block kernel0, and covers original kernel firmware.If precedingly the file system firmware mapping file is stored to memory block FS1 when once upgrading, this time then the file system firmware file is stored to memory block FS0, and covers original file system firmware.
The system of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 4, module ENV is set for Bootstrap Loading module BootLoader, environmental variance and the memory module branch is arranged, and memory module is set to four independently memory blocks respectively, comprises memory block kernel0, memory block kernel1, memory block FS0 and memory block FS1 as it.Because Bootstrap Loading module BootLoader and environmental variance are provided with module ENV branch and are arranged, and therefore when the start address of kernel firmware mapping file and file system firmware mapping file is set, can not influence the content in the Bootstrap Loading module.Simultaneously because memory module is divided into kernel firmware storage areas and file system firmware storage areas; And the kernel firmware stores is divided into kernel0 and two memory blocks of kernel1; The file system firmware stores is divided into FS0 and two memory blocks of FS1.Thereby can guarantee kernel firmware and the separately renewal upgrading of file system firmware in the system, promptly can upgrade upgrading kernel firmware and file system firmware simultaneously, also can upgrade upgrading kernel firmware or file system firmware separately.
Further, the system embodiment four of firmware on line upgrading of the present invention, referring to Fig. 5, described embedded device 10 also comprises authentication module 16, be used to verify whether firmware mapping file is stored to the firmware mapping file memory block, native system is after the checking firmware mapping file has been stored to the firmware mapping file memory block, by environmental variance the start address that module 15 is provided with this firmware mapping file memory block is set again, after the system restart, Bootstrap Loading module 13 is provided with the middle setting of module 15 according to environmental variance the start address of firmware mapping file memory block is searched and is loaded and calls this firmware mapping file.
Embedded device of the present invention is the embedded device of describing among the said system embodiment one to four, does not repeat them here.
The method embodiment one of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 6, it specifically comprises the steps:
Step S1, from server, select version to be higher than the firmware mapping file of current operation firmware, and the firmware mapping file that this version is higher than current operation firmware is stored to the firmware mapping file memory block;
After step S2, the system restart, call described firmware mapping file from the loading of described firmware mapping file memory block.
The method embodiment two of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 7, it comprises the steps:
Whether exist version to be higher than the firmware mapping file of current operation firmware in step L1, the detection server; If, execution in step L2 then; If not, then return the operation present procedure;
Step L2, from server, download the firmware mapping file that described version is higher than current operation firmware, and the firmware mapping file that this version is higher than current operation firmware is stored to the firmware mapping file memory block;
After step L3, the system restart, call described firmware mapping file from the loading of described firmware mapping file memory block.
The method embodiment three of firmware on line upgrading in the embedded device of the present invention, referring to Fig. 8, it comprises the steps:
Step H1, detect in the server firmware mapping file whether storage version is higher than current operation firmware, if then execution in step H2 if not, then returns the operation present procedure;
Step H2, from server, download the firmware mapping file that described version is higher than current operation firmware, and the firmware mapping file that this version is higher than current operation firmware is stored to the firmware mapping file memory block;
Step H3, the initial address message (IAM) of described firmware mapping file memory block is set;
After step H4, the system restart, search and load according to described initial address message (IAM) and call described firmware mapping file.
The method embodiment four of firmware on line upgrading referring to Fig. 9, comprises the steps: in the embedded device of the present invention
Step J1, detect the firmware mapping file that whether exists version to be higher than current operation firmware in the server, if then execution in step J2 if not, then returns the operation present procedure;
Step J2, from server, download the firmware mapping file that described version is higher than current operation firmware, and the firmware mapping file that this version is higher than current operation firmware is stored to the firmware mapping file memory block;
Whether the firmware mapping file that step J3, the described version of checking are higher than current operation firmware has been stored to the firmware mapping file memory block; If, execution in step J4 then; Otherwise return execution in step J2;
Step J4, the initial address message (IAM) of described firmware mapping file memory block is set;
After step J5, the system restart, search and load according to described initial address message (IAM) and call described firmware mapping file.
The method embodiment one, two, three and four of firmware on line upgrading in the embedded device of the present invention, described firmware mapping file is divided into: kernel firmware mapping file and file system firmware mapping file.Kernel firmware and file system firmware can upgrade upgrading separately, also can the two upgrade upgrading simultaneously.
As when detecting the kernel firmware mapping file that only exists version to be higher than current operation kernel firmware in the server, then download this kernel firmware mapping file, and be stored to kernel firmware mapping file memory block; After the system restart, this kernel firmware mapping file of Bootstrap Loading after this kernel firmware mapping file operation finishes, reloads and calls original file system firmware.
As when detecting the file system firmware mapping file that only exists version to be higher than current runs file system firmware in the server, then download this document system firmware image file, and be stored to file system firmware mapping file memory block; After the system restart, the original kernel firmware of Bootstrap Loading after this kernel firmware operation finishes, reloads and calls described file system firmware mapping file.
As existing version to be higher than current operation kernel firmware and corresponding kernel firmware mapping file of file system firmware and file system firmware mapping file in the server simultaneously when detecting, then download this kernel firmware mapping file, and be stored to kernel firmware mapping file memory block; Download this document system firmware image file simultaneously, and be stored to file system firmware mapping file memory block; After the system restart, then load successively and call kernel firmware mapping file and file system firmware mapping file.
The system of firmware on line upgrading in the embedded device of the present invention, when existing version to be higher than the firmware mapping file of the current operation firmware of embedded device in the server, all embedded devices that are communicated with this server network can be downloaded corresponding firmware image file simultaneously from server, and be stored in the corresponding firmware storage areas, to realize automatic, the batch online upgrading of firmware firmware, need not manual intervention, very convenient.
Embedded device of the present invention is communicated with the server network of networking, in realizing firmware upgrade process, only need to adopt download module from the required firmware mapping file of downloaded, need not to adopt special-purpose replication tool that firmware mapping file is carried out burning, simplified the upgrade step of firmware, save the firmware upgrade cost, prolonged the serviceable life of embedded device.Simultaneously, because memory module is divided into four independently firmware storage areas, be about to kernel firmware storage areas and file system firmware storage areas, and kernel firmware mapping file memory block and file system firmware mapping file memory partitioning are arranged, make that the firmware image file of each upgrading to be updated is little, speed of download is fast, has saved download time.
Should be understood that; the above only is the preferred embodiments of the present invention; can not therefore limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (16)
1. an embedded device is characterized in that, comprising: memory module, download module and Bootstrap Loading module;
Wherein, described memory module comprises: current operation firmware storage areas and firmware mapping file memory block;
Described download module is used for being higher than from the server download version firmware mapping file of current operation firmware, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Described Bootstrap Loading module is used for calling firmware mapping file from the loading of firmware mapping file memory block.
2. embedded device according to claim 1 is characterized in that, described embedded device also comprises: whether detection module is used for detecting server and exists version to be higher than the firmware mapping file of current operation firmware.
3. embedded device according to claim 1 and 2, it is characterized in that embedded device also comprises: environmental variance is provided with module, is used to be provided with the initial address message (IAM) of described firmware mapping file memory block.
4. embedded device according to claim 3 is characterized in that, described Bootstrap Loading module also is used for searching described firmware mapping file according to described initial address message (IAM).
5. embedded device according to claim 4 is characterized in that, described embedded device also comprises: authentication module is used to verify whether described firmware mapping file has been stored to the firmware mapping file memory block.
6. embedded device according to claim 5 is characterized in that, described current operation firmware storage areas comprises current operation kernel firmware storage areas and current runs file system firmware storage areas; Described firmware mapping file memory block comprises kernel firmware mapping file memory block and file system firmware mapping file memory block.
7. the method for firmware on line upgrading in the embedded device, it may further comprise the steps:
Be higher than the firmware mapping file of current operation firmware from the downloaded version, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Call firmware mapping file from the loading of firmware mapping file memory block.
8. the method for firmware on line upgrading is characterized in that in the embedded device according to claim 7, described from server download version also comprise before being higher than the firmware mapping file step of current operation firmware:
Detecting in the server exists version to be higher than the firmware mapping file of current operation firmware.
9. according to the method for firmware on line upgrading in claim 7 or the 8 described embedded devices, it is characterized in that described the loading from the firmware mapping file memory block also comprises before calling the firmware mapping file step:
The initial address message (IAM) of firmware mapping file memory block is set;
Search described firmware mapping file according to described initial address message (IAM).
10. the method for firmware on line upgrading is characterized in that in the embedded device according to claim 9, and the described initial address message (IAM) step that the firmware mapping file memory block is set also comprises before:
The checking firmware mapping file has been stored to the firmware mapping file memory block.
11. the system of firmware on line upgrading is characterized in that in the embedded device, comprises embedded device, the server that is connected with this embedded device network; Described embedded device comprises: memory module, download module and Bootstrap Loading module;
Wherein, described memory module comprises: current operation firmware storage areas and firmware mapping file memory block;
Described download module is used for being higher than from the server download version firmware mapping file of current operation firmware, and the firmware mapping file that described version is higher than current operation firmware is stored to the firmware mapping file memory block;
Described Bootstrap Loading module is used for calling firmware mapping file from the loading of firmware mapping file memory block.
12. the system of firmware on line upgrading is characterized in that in the embedded device according to claim 12, described embedded device also comprises: whether detection module is used for detecting server and exists version to be higher than the firmware mapping file of current operation firmware.
13. according to the system of firmware on line upgrading in claim 12 or the 13 described embedded devices, it is characterized in that embedded device comprises: environmental variance is provided with module, is used to be provided with the initial address message (IAM) of described firmware mapping file memory block.
14. the system of firmware on line upgrading is characterized in that in the embedded device according to claim 14, described Bootstrap Loading module also is used for searching described firmware mapping file according to described initial address message (IAM).
15. the system of firmware on line upgrading is characterized in that in the embedded device according to claim 15, described embedded device also comprises: authentication module is used to verify whether firmware mapping file is stored to the firmware mapping file memory block.
16. the system of firmware on line upgrading is characterized in that in the embedded device according to claim 16, described current operation firmware storage areas comprises: current operation kernel firmware storage areas and current runs file system firmware storage areas; Described firmware mapping file memory block comprises: kernel firmware mapping file memory block, file system firmware mapping file memory block.
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