Firmware updating system, firmware delivering server, firmware incorporating device, and program

A transmission server and firmware update technology, which is applied in the field of firmware update, can solve the problems of occupying the work area, time-consuming, and the file system that does not support writing cannot cope, and achieve the effect of short operation time and small operation area

Inactive Publication Date: 2011-07-20
HITACHI SOFTWARE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the output after applying the updated data needs to be performed in a different area from the image of the old version, and the working area needs to be occupied accordingly
Also, it is time consuming as it needs to access the entire old version of the image
[0012] In addition, if the firmware update of Non-Patent Document 2 is used, it does not consume work space and time, but it cannot cope with file systems that do not support writing.

Method used

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  • Firmware updating system, firmware delivering server, firmware incorporating device, and program
  • Firmware updating system, firmware delivering server, firmware incorporating device, and program
  • Firmware updating system, firmware delivering server, firmware incorporating device, and program

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Embodiment Construction

[0035] Regarding the present invention, to put it bluntly, it divides the old and new firmware images, sends the difference data of each divided area as an update image from the server to the integrated device, and executes the firmware update through the OS in the integrated device without using the file system. .

[0036] Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, it should be noted that this embodiment is only an example for realizing the present invention, and does not limit the technical scope of the present invention. In addition, in each figure, the same reference symbol is attached|subjected to the common structure.

[0037]

[0038] figure 1 It is a figure which shows the schematic structure of a system (firmware update system). This system includes: an update production / distribution server 130 that transmits an update image 140; and an integrated device 160 that receives an update image 140 via a ...

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Abstract

Provided is a firmware updating technique wherein: working area is small; working time is short; updating can be resumed even in the event of power interruption; and file systems that do not support writing are supported. An update creating / delivering server divides the firmware images of old and new versions; extracts differences between the divided firmware images of the old and new versions; creates an updated package; and delivers the updated package to an incorporating device. On the other hand, the incorporating device applies the updated package to the divided firmware images of the old version (currently-used, existing firmware images).

Description

technical field [0001] The present invention relates to a firmware update technology performed between a server performing firmware transfer and a firmware integrating device (firmware incorporating device). Background technique [0002] In recent years, after abandoning integrated devices such as DVD equipment and TV equipment, when software (including firmware) finds a problem, it is common to solve the problem by rewriting conventional firmware to firmware that solves the problem. Here, the so-called firmware (firmware) refers to all data pre-stored in the non-volatile storage area of ​​the integrated device. Such a firmware update is disclosed in Patent Document 1, Non-Patent Document 2, Non-Patent Document 2, and the like, for example. [0003] Patent Document 1 discloses a firmware update method in which all firmware is replaced. In order to replace all firmware, when updating via a network, it is necessary to transfer all firmware images of a new version (version), ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/00
CPCG06F8/68G06F8/63G06F8/665G06F8/654G06F8/658
Inventor 中村雄一大浜伸之
Owner HITACHI SOFTWARE ENG
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