CN102141940B - Device, method and system for recovering firmware update - Google Patents

Device, method and system for recovering firmware update Download PDF

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Publication number
CN102141940B
CN102141940B CN2010106122076A CN201010612207A CN102141940B CN 102141940 B CN102141940 B CN 102141940B CN 2010106122076 A CN2010106122076 A CN 2010106122076A CN 201010612207 A CN201010612207 A CN 201010612207A CN 102141940 B CN102141940 B CN 102141940B
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boot
brush machine
memory storage
partition
firmware
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Expired - Fee Related
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CN102141940A (en
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孙翀
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TCL Corp
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TCL Corp
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Abstract

The invention is suitable for the technical field of electronic equipment and provides a device, method and system for recovering firmware update. The device for recovering firmware update comprises a storage device, an update press key and a main chip; the storage device comprises a boot partition, a file partition and an application partition; the update press key is used for receiving update instructions input by a user; the main chip is connected with the storage device, is connected and communicated with the update press key through a pin and used for detecting a level value of the pin, carrying out corresponding operations according to the detected level value and judging partitions where the data are crashed, controlling the reading of an update program package according to the partitions with crashed data, writing the update program package into the corresponding partitions of the storage device and executing the program recovery operation. Due to the adoption of the device for recovering firmware update, the operation is simple; and the problem of increasing cost resulting from returning to factory maintenance or home maintenance of technicians is solved, and the convenience is brought to users.

Description

A kind of firmware brush machine restorer, firmware brush machine restoration methods and system
Technical field
The invention belongs to technical field of electronic equipment, relate in particular to a kind of firmware brush machine restorer, firmware brush machine restoration methods and system.
Background technology
The evolution of making rapid progress along with electronic equipment for consumption; The effect that software plays in electronic equipment is more and more important; Itself also becomes increasingly complex software, and the route that present product is evolved mainly becomes: the computing power of hardware product itself from strength to strength, the life cycle of hardware also can be more and more longer; Especially all the more so after certain product tends towards stability maturation; The for example PS3 of video game machine industry, XBOX etc., its hardware longevity all has in a decade or so, and upgrading product is regenerated and is embodied in more in the upgrading of firmware.
The upgrading of firmware can bring the problem in some securities, modal a kind of phenomenon in the process that reality is used: because the firmware brush machine that a variety of causes causes recovers failure; Destroyed original system architecture, caused total system normally to resume operation, the reason of failure is various; For example, possibly be in the firmware brush machine rejuvenation just when written document, cut off the power supply; Cause the data corruption even the collapse of partitions of file table; Or be because so-called bad piece zone physically appears in storage medium itself, cause data unavailable, although can carry out fault-tolerant processing through various technological means; Prevent the situation of system crash as far as possible, but have no a kind of technical scheme can guarantee that the phenomenon of stopping system crash fully takes place.
After collapse appears in firmware, can carry out fault-tolerant through following manner:
1. direct depot repair;
2. the technician makes house calls, and field adjustable solves.
But the fault-tolerant cost of above-mentioned dual mode is too high, and the call process of debugging maintenance of above-mentioned depot repair or technician is all long, and complex operation, brings the inconvenience in the use to the user.
Summary of the invention
The object of the present invention is to provide a kind of firmware brush machine restorer, be intended to solve the fault-tolerant way when collapse appears in firmware that prior art provides, the cost height, realize loaded down with trivial details, the problem of making troubles to the user.
The present invention is achieved in that a kind of firmware brush machine restorer, said firmware brush machine restorer comprise have boot partition, the memory storage of partitions of file and application partition, said firmware brush machine restorer also comprises:
Brush machine button is used to receive the brush machine instruction of user's input; And
Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected; Operate accordingly and judge the subregion that data corruption occurs according to detected level value, according to the subregion that the data corruption place occurs, brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation;
Wherein, The said operation accordingly according to detected level value is specially: when said level value is low level; Said master chip reads the boot of storing on the boot partition of said memory storage; Control said boot program loads operating system, control said operating system loading application programs; When said level value was high level, said master chip calculated the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
Said master chip is used to also judge whether the cryptographic hash of boot is correct; Correct then said master chip loads the boot of storing on the boot partition of said memory storage; And read a brush machine routine package, write the partitions of file and the application partition of said memory storage; When the cryptographic hash of said boot was incorrect, said master chip read boot in the brush machine routine package, write the boot partition of said memory storage.
Another object of the present invention is to provide a kind of firmware brush machine restoration methods based on firmware brush machine restorer, said firmware brush machine restoration methods comprises the steps:
Incoming signal level value to the pin that is connected with said brush machine button detects;
When said level value is high level, calculate the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
When the cryptographic hash of said boot is correct, load the boot of storing on the boot partition of said memory storage, and control reads brush machine routine package, write the partitions of file and the application partition of said memory storage;
When the cryptographic hash of said boot was incorrect, boot in the said brush machine routine package was read in control, writes the boot partition of said memory storage;
When said level value is low level, read the boot of storing on the boot partition of said memory storage, control said boot program loads operating system, control said operating system loading application programs.
Another object of the present invention is to provide a kind of firmware brush machine recovery system, said firmware brush machine recovery system comprises:
The level detection module is used for the incoming signal level value of the pin that is connected with said brush machine button is detected;
Cryptographic hash is calculated comparing module, is used for when said level detection module detects said level value and is high level, calculating the cryptographic hash of the boot of storing on the boot partition of comparing said memory storage;
First recovers control module, is used for cryptographic hash when said boot when correct, loads the boot of storing on the boot partition of said memory storage, and control reads one and brush the machine routine package, writes the partitions of file and the application partition of said memory storage;
Second recovers control module, is used for when the cryptographic hash of said boot is incorrect, and boot in the brush machine routine package is read in control, writes the boot partition of said memory storage; And
The normal boot control module is used for when said level value is low level, reading the boot of storing on the boot partition of said memory storage, controls said boot program loads operating system, controls said operating system loading application programs.
The firmware brush machine restorer that the embodiment of the invention provides; Said firmware brush machine restorer comprise have boot partition, the memory storage of partitions of file and application partition; Said firmware brush machine restorer also comprises: brush machine button is used to receive the brush machine instruction of user's input; Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected, judge the subregion that data corruption occurs, according to the subregion that the data corruption place occurs according to detected level value; Brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation, simple to operate; Overcome the problem of the cost increase that is brought through depot repair or technician's on-site maintenance, offered convenience for you user.
Description of drawings
Fig. 1 is the structural representation of the firmware brush machine restorer that provides of the embodiment of the invention;
Fig. 2 is that the firmware that the embodiment of the invention provides is brushed the realization flow figure of machine restoration methods;
Fig. 3 is the structured flowchart of the firmware brush machine recovery system that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of firmware brush machine restorer, accomplishes the detection of data corruption subregion through the master chip of said firmware brush machine restorer, and reads brush machine routine package from corresponding position, and recovery routine is simple to operate, realizes that cost is lower.
The purpose of the embodiment of the invention is to provide a kind of firmware brush machine restorer, said firmware brush machine restorer comprise have boot partition, the memory storage of partitions of file and application partition, said firmware brush machine restorer also comprises:
Brush machine button is used to receive the brush machine instruction of user's input; And
Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected; Operate accordingly and judge the subregion that data corruption occurs according to detected level value, according to the subregion that the data corruption place occurs, brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation;
Wherein, The said operation accordingly according to detected level value is specially: when said level value is low level; Said master chip reads the boot of storing on the boot partition of said memory storage; Control said boot program loads operating system, control said operating system loading application programs; When said level value was high level, said master chip calculated the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
Said master chip is used to also judge whether the cryptographic hash of boot is correct; Correct then said master chip loads the boot of storing on the boot partition of said memory storage; And read a brush machine routine package, write the partitions of file and the application partition of said memory storage; When the cryptographic hash of said boot was incorrect, said master chip read boot in the brush machine routine package, write the boot partition of said memory storage.
Another object of the present invention is to provide a kind of firmware brush machine restoration methods based on firmware brush machine restorer, said firmware brush machine restoration methods comprises the steps:
Incoming signal level value to the pin that is connected with said brush machine button detects;
When said level value is high level, calculate the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
When the cryptographic hash of said boot is correct, load the boot of storing on the boot partition of said memory storage, and control reads brush machine routine package, write the partitions of file and the application partition of said memory storage;
When the cryptographic hash of said boot was incorrect, boot in the said brush machine routine package was read in control, writes the boot partition of said memory storage;
When said level value is low level, read the boot of storing on the boot partition of said memory storage, control said boot program loads operating system, control said operating system loading application programs.
Another object of the present invention is to provide a kind of firmware brush machine recovery system, said firmware brush machine recovery system comprises:
The level detection module is used for the incoming signal level value of the pin that is connected with said brush machine button is detected;
Cryptographic hash is calculated comparing module, is used for when said level detection module detects said level value and is high level, calculating the cryptographic hash of the boot of storing on the boot partition of comparing said memory storage;
First recovers control module, is used for cryptographic hash when said boot when correct, loads the boot of storing on the boot partition of said memory storage, and control reads one and brush the machine routine package, writes the partitions of file and the application partition of said memory storage;
Second recovers control module, is used for when the cryptographic hash of said boot is incorrect, and boot in the brush machine routine package is read in control, writes the boot partition of said memory storage; And
The normal boot control module is used for when said level value is low level, reading the boot of storing on the boot partition of said memory storage, controls said boot program loads operating system, controls said operating system loading application programs.
The firmware brush machine restorer that the embodiment of the invention provides; Said firmware brush machine restorer comprise have boot partition, the memory storage of partitions of file and application partition; Said firmware brush machine restorer also comprises: brush machine button is used to receive the brush machine instruction of user's input; Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected; Judge the subregion that data corruption occurs according to detected level value, according to the subregion that the data corruption place occurs, brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation.
The firmware that Fig. 1 shows the embodiment of the invention to be provided is brushed the structured flowchart of machine restorer, for the ease of explanation, has only provided the part relevant with the embodiment of the invention among the figure.
Firmware that the embodiment of the invention provides brush machine restorer comprises memory storage, brush machine button and master chip, and wherein, this memory storage is the storage area that comprises boot partition, partitions of file and application partition, its storage be the required data of equipment operation; Brush machine button is the hardware unit that this firmware brush machine restorer increases, similar the getting final product of startup button on its realization and the electronic equipment; And main control chip is a core component of accomplishing this technical scheme, and it comprises a plurality of pins, in this embodiment, can define a pin, and this pin is in order to connect said brush machine button.
Wherein, master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected; Operate accordingly according to detected level value, promptly when said level value was low level, this master chip read the boot of storing on the boot partition of said memory storage; Control said boot program loads operating system, control said operating system loading application programs; When said level value was high level, the expression user started product through brush machine button, and this moment, said master chip calculated the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison.
Said master chip is judged the subregion that data corruption occurs according to the cryptographic hash of boot, and according to the subregion that the data corruption place occurs, brush machine routine package is read in control, writes the respective partition of said memory storage, the executive routine recovery operation.
When the cryptographic hash of said boot was correct, master chip loaded the boot of storing on the boot partition of said memory storage, and read a brush machine routine package, write the partitions of file and the application partition of said memory storage; When the cryptographic hash of said boot was incorrect, master chip read boot in the brush machine routine package, write the boot partition of said memory storage.
Said brush machine routine package is stored in the external memory device; It is the system-wide ROMPaq of a global function; Comprise whole firmware files, storehouse and module, firmware upgrade bag publisher in the issue firmware upgrade procedure, is issued the brush machine program corresponding with this firmware upgrade procedure at every turn.
In embodiments of the present invention, above-mentioned master chip is solidified with a fixed code, and this fixed code belongs to read-only character, and its level value according to the pin input signal of above-mentioned master chip is controlled the position of reading of data.
In embodiments of the present invention, this memory storage is flash, three subregions of memory storage, and promptly boot partition, partitions of file and application partition have been provided with completion before equipment dispatches from the factory, wherein:
What boot partition was stored is the boot of firmware; This program function is that the initialization guiding of carrying out system in fixing position starts; After starting completion, just give operating system nucleus with dominant right and take over, boot must be kept in the fixed address space of flash;
The kernel of partitions of file storage operating system and file system data; This area stores normally stablize constant operating system, in file system area, except the operating system that former factory provides; In file system, also need increase an independent firmware upgrade detection module; The main effect of this upgrading detection module is when each run, reads the firmware upgrade bag on the external memory device, carries out upgrade job;
Application partition is the zone of the application program of storing firmware, and this zone is the zone of upgrading the most continually.
The firmware that Fig. 2 shows the embodiment of the invention to be provided is brushed the realization flow of machine restoration methods, and its concrete step is described below:
In step S201, the incoming signal level value of the pin that is connected with said brush machine button is detected.In embodiments of the present invention, the process of this detection is and receives the process that the user presses the instruction that brush machine button produced, and when equipment normally started, the level value of the input signal of the pin that should be connected with brush machine button was a low level, i.e. execution in step S202.
In step S202, when said level value is low level, read the boot of storing on the boot partition of said memory storage, control said boot program loads operating system, control said operating system loading application programs.This step is the process of the system start-up under the normal condition, repeats no more at this, but not in order to restriction the present invention.
In step S203, when said level value is high level, calculate the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison, judge promptly whether said cryptographic hash is correct, be execution in step S204 then, otherwise execution in step S205.
In embodiments of the present invention, the purpose of the cryptographic hash of the boot of this computing equipment memory storage boot partition is whether the boot of detection of stored data corruption takes place.
In step S204, when the cryptographic hash of said boot is correct, load the boot of storing on the boot partition of said memory storage, and read brush machine routine package by this boot control, write the partitions of file and the application partition of said memory storage.
In embodiments of the present invention, the cryptographic hash of boot is just being represented not collapse of boot at least.
In the present embodiment; Said brush machine routine package is stored in the external memory device; It is the system-wide ROMPaq of a global function; Comprise whole firmware files, storehouse and module, firmware upgrade bag publisher in the issue firmware upgrade procedure, is issued the brush machine program corresponding with this firmware upgrade procedure at every turn.Producer or supplier can be in the lump with firmware upgrade bag and brush machine routine package packing and issuing in the lump on the net; The user can directly download on network; Other storage unit of perhaps downloading; In this unified Definition is external memory device, is through the brush machine routine package that sends in the lump with the firmware upgrade bag and realizes that the automatic brush machine of equipment recovers.
When the cryptographic hash of current boot is calculated completion, compare with the cryptographic hash of storage in advance, judge that whether both are consistent, are to represent that then data corruption does not take place this boot, otherwise then represent this boot generation data corruption.
This step representes that data corruption does not take place boot; The zone that data corruption takes place possibly be a partitions of file; At this moment; Need read the loading boot from the boot partition of memory storage, and control reads brush machine routine package from external memory device, and will brush the machine routine package and once write partitions of file.
In step S205, when the cryptographic hash of said boot was incorrect, boot in the brush machine routine package was read in control, writes the boot partition of said memory storage.
In embodiments of the present invention, when cryptographic hash was incorrect, the boot of expression boot partition storage was collapsed; Need this moment control to read boot; Write this boot partition, and load the startup boot, and file system data is read in control; Start the operating system, and then opening application program.
The firmware that Fig. 3 shows the embodiment of the invention to be provided is brushed the structured flowchart of machine recovery system; For the ease of explanation; Only provided the part relevant among the figure with the embodiment of the invention; Wherein, be appreciated that software unit, hardware cell or the software and hardware combining unit that can be built in master chip for above-mentioned firmware brush machine recovery system.
Said firmware brush machine recovery system comprises that level detection module 11, cryptographic hash are calculated comparing module 12, the first recovery control module 13, second is recovered control module 14 and normal boot control module 15.
The incoming signal level value of 11 pairs of pins that are connected with said brush machine button of level detection module detects; When said level detection module 11 detected said level value and is high level, cryptographic hash was calculated the cryptographic hash that comparing module 12 is calculated the boot of storing on the boot partition of the said memory storage of comparison; When the cryptographic hash of said boot was correct, first recovers control module 13 loaded the boot of storing on the boot partition of said memory storage, and control reads brush machine routine package, write the partitions of file and the application partition of said memory storage; When the cryptographic hash of said boot was incorrect, second recovers control module 14 controls read boot in the brush machine routine package, writes the boot partition of said memory storage.
Said brush machine routine package is stored in the external memory device; It is the system-wide ROMPaq of a global function; Comprise whole firmware files, storehouse and module, firmware upgrade bag publisher in the issue firmware upgrade procedure, is issued the brush machine program corresponding with this firmware upgrade procedure at every turn.Producer or supplier can be in the lump with firmware upgrade bag and brush machine routine package packing and issuing in the lump on the net; The user can directly download on network; Other storage unit of perhaps downloading; In this unified Definition is external memory device, is through the brush machine routine package that sends in the lump with the firmware upgrade bag and realizes that the automatic brush machine of equipment recovers.
Wherein, when said level value was low level, normal boot control module 15 read the boot of storing on the boot partition of said memory storage, controlled said boot program loads operating system, controlled said operating system loading application programs.
Above-mentionedly be merely a system embodiment of the present invention, the function of its each module such as above-mentioned method embodiment are said, repeat no more at this, but not in order to restriction the present invention.
Firmware that the embodiment of the invention provides brush machine restorer, said equipment comprise have boot partition, the memory storage of partitions of file and application partition, said equipment also comprises: brush machine button is used to receive the brush machine instruction of user's input; Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected, judge the subregion that data corruption occurs, according to the subregion that the data corruption place occurs according to detected level value; Brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation, simple to operate; Overcome the problem of the cost increase that is brought through depot repair or technician's on-site maintenance, offered convenience for you user.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be in being stored in a computer read/write memory medium; Described storage medium is like ROM/RAM, disk, CD etc.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. firmware brush machine restorer, said firmware brush machine restorer comprise have boot partition, the memory storage of partitions of file and application partition, it is characterized in that said firmware brush machine restorer also comprises:
Brush machine button is used to receive the brush machine instruction of user's input; And
Master chip is connected with said memory storage, and is connected communication through a pin with said brush machine button; Be used for the level value of pin is detected; Operate accordingly and judge the subregion that data corruption occurs according to detected level value, according to the subregion that the data corruption place occurs, brush machine routine package is read in control; Write the respective partition of said memory storage, the executive routine recovery operation;
Wherein, The said operation accordingly according to detected level value is specially: when said level value is low level; Said master chip reads the boot of storing on the boot partition of said memory storage; Control said boot program loads operating system, control said operating system loading application programs; When said level value was high level, said master chip calculated the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
Said master chip is used to also judge whether the cryptographic hash of boot is correct; Correct then said master chip loads the boot of storing on the boot partition of said memory storage; And read a brush machine routine package, write the partitions of file and the application partition of said memory storage; When the cryptographic hash of said boot was incorrect, said master chip read boot in the brush machine routine package, write the boot partition of said memory storage.
2. firmware brush machine restorer as claimed in claim 1 is characterized in that said brush machine routine package is the system-wide ROMPaq of global function, and issues simultaneously with firmware upgrade procedure.
3. the firmware brush machine restoration methods based on the described firmware brush of claim 1 machine restorer is characterized in that, said firmware brush machine restoration methods comprises the steps:
Incoming signal level value to the pin that is connected with said brush machine button detects;
When said level value is high level, calculate the cryptographic hash of the boot of storing on the boot partition of the said memory storage of comparison;
When the cryptographic hash of said boot is correct, load the boot of storing on the boot partition of said memory storage, and control reads brush machine routine package, write the partitions of file and the application partition of said memory storage;
When the cryptographic hash of said boot was incorrect, boot in the said brush machine routine package was read in control, writes the boot partition of said memory storage;
When said level value is low level, read the boot of storing on the boot partition of said memory storage, control said boot program loads operating system, control said operating system loading application programs.
4. firmware brush machine restoration methods as claimed in claim 3 is characterized in that said brush machine routine package is the system-wide ROMPaq of global function, and issues simultaneously with firmware upgrade procedure.
5. a firmware brush machine recovery system is characterized in that, said firmware brush machine recovery system comprises:
The level detection module is used for the incoming signal level value of the pin that is connected with said brush machine button is detected;
Cryptographic hash is calculated comparing module, is used for when said level detection module detects said level value and is high level, calculating the cryptographic hash of the boot of storing on the boot partition of comparing said memory storage;
First recovers control module, is used for cryptographic hash when said boot when correct, loads the boot of storing on the boot partition of said memory storage, and control reads one and brush the machine routine package, writes the partitions of file and the application partition of said memory storage;
Second recovers control module, is used for when the cryptographic hash of said boot is incorrect, and boot in the brush machine routine package is read in control, writes the boot partition of said memory storage; And
The normal boot control module is used for when said level value is low level, reading the boot of storing on the boot partition of said memory storage, controls said boot program loads operating system, controls said operating system loading application programs.
6. firmware brush machine recovery system as claimed in claim 5 is characterized in that said brush machine routine package is the system-wide ROMPaq of global function, and issues simultaneously with firmware upgrade procedure.
CN2010106122076A 2010-12-29 2010-12-29 Device, method and system for recovering firmware update Expired - Fee Related CN102141940B (en)

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