CN108153616A - A kind of storage chip startup program detection method and device - Google Patents
A kind of storage chip startup program detection method and device Download PDFInfo
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- CN108153616A CN108153616A CN201611110793.8A CN201611110793A CN108153616A CN 108153616 A CN108153616 A CN 108153616A CN 201611110793 A CN201611110793 A CN 201611110793A CN 108153616 A CN108153616 A CN 108153616A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1417—Boot up procedures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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Abstract
The invention discloses a kind of storage chip startup program detection method and device.This method includes：By test software by host-initiated program and backup startup program, it is respectively written into the respective physical memory space of storage chip to be tested；According to the amount of physical memory of the host-initiated program, the host-initiated program write-in data by the modification of storage chip ablation process are read；It modifies to host-initiated program write-in data, to form the mistake for preventing the host-initiated program operation；Modified host-initiated program write-in write back data is entered into corresponding amount of physical memory；The storage chip to be tested is run, to verify the backup startup program of the storage chip to be tested whether normal operation.By technical scheme of the present invention, the availability of backup startup program in storage chip can effectively be detected.
Description
Technical field
The present embodiments relate to storage chip detection technique more particularly to a kind of storage chip startup program detection methods
And device.
Background technology
EMMC (Embedded Multi Media Card, embedded multi-media card) is ordered by MMC associations, main
It is the embedded memory standard specification for products such as mobile phone or tablet computers.A clear superiority of eMMC is in a package
Be integrated with a controller, it provides standard interface and simultaneously manages flash memory so that cell phone manufacturer with regard to can be absorbed in product development its
Its part, and shorten the time that product is released to market.
EMCP (Embedded Multi-Chip Package, embedded more preparative layer encapsulation chips) is to combine eMMC and MCP
The Smartphone memory body standard formed, with traditional MCP in comparison, eMCP are encapsulated because there are built-in NAND Flash
Control chip, it is possible to reduce the burden of master wafer operation, and the fast flash memory bank of more capacity is managed, come with exterior design
It sees, whether the embedded memory body design concepts of eMCP or eMMC, is provided to make the external form of Smartphone thinner,
Casing leak tightness is more complete.
The storage chips such as current eMMC/eMCP in order to ensure its reliability service, can generally set simultaneously host-initiated program and
Backup startup program, when being destroyed to prevent host-initiated program, chip can not normally start.
But can stand-by program bootrom, the prior art not provide effective detection method when needed.
Invention content
The embodiment of the present invention provides a kind of storage chip startup program detection method and device, with to being backed up in storage chip
The availability of startup program is effectively detected.
In a first aspect, an embodiment of the present invention provides a kind of storage chip startup program detection method, this method includes：It is logical
Test software is crossed by host-initiated program and backup startup program, the respective physical storage for being respectively written into storage chip to be tested is empty
Between；
According to the amount of physical memory of the host-initiated program, by the main startup journey by the modification of storage chip ablation process
Sequence write-in data are read；
It modifies to host-initiated program write-in data, to form the mistake for preventing the host-initiated program operation；
Modified host-initiated program write-in write back data is entered into corresponding amount of physical memory；
The storage chip to be tested is run, to verify whether the backup startup program of the storage chip to be tested is normal
Operation.
Further, it modifies to host-initiated program write-in data, the host-initiated program is prevented to transport to be formed
Capable mistake includes：
The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, it can not with formation
The ECC error of correction.
Further, it modifies to host-initiated program write-in data, the host-initiated program is prevented to transport to be formed
Capable mistake includes：
The amount of physical memory that data are written according to the host-initiated program determines corresponding startup link；
Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, the master are prevented to open to be formed
The mistake of traverse sort run.
Second aspect, the embodiment of the present invention additionally provide a kind of storage chip startup program detection device, which includes：
First writing module for passing through test software by host-initiated program and backup startup program, is respectively written into storage core to be tested
The respective physical memory space of piece；
Module is read, for the amount of physical memory according to the host-initiated program, storage chip ablation process will be passed through
The host-initiated program write-in data of modification are read；
For modifying to host-initiated program write-in data, the main startup journey is prevented to be formed for modified module
The mistake of sort run；
Second writing module, it is empty for modified host-initiated program write-in write back data to be entered corresponding physical store
Between；
Authentication module for running the storage chip to be tested, is opened with the backup for verifying the storage chip to be tested
Dynamic program is whether normal operation.
Further, the modified module is specifically used for：
The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, it can not with formation
The ECC error of correction.
Further, institute's modified module includes：
Determination unit, the amount of physical memory for data to be written according to the host-initiated program determine corresponding startup ring
Section；
Mistake forms unit, for the host-initiated program write-in data corresponding to experimental starting link to be measured to be modified,
To form the mistake for preventing the host-initiated program operation.
The present invention by host-initiated program and backup startup program, is respectively written into storage chip to be tested by test software
Respective physical memory space；According to the amount of physical memory of the host-initiated program, storage chip ablation process will be passed through and changed
Host-initiated program write-in data read；It modifies to host-initiated program write-in data, the master is prevented to open to be formed
The mistake of traverse sort run；Modified host-initiated program write-in write back data is entered into corresponding amount of physical memory；Operation institute
Storage chip to be tested is stated, to verify the backup startup program of the storage chip to be tested whether normal operation.By this hair
Bright technical solution can effectively detect the availability of backup startup program in storage chip.
Description of the drawings
Fig. 1 is a kind of flow chart of storage chip startup program detection method in the embodiment of the present invention one；
Fig. 2 is a kind of flow chart of storage chip startup program detection method in the embodiment of the present invention two；
Fig. 3 is a kind of structure diagram of storage chip startup program detection device in the embodiment of the present invention three.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrated only in description, attached drawing.
Embodiment one
The flow chart of a kind of storage chip startup program detection method that Fig. 1 is provided for the embodiment of the present invention one, this implementation
Example is applicable to the situation of storage chip startup program detection, and this method can start journey by storage chip in the embodiment of the present invention
Sequence detection apparatus performs, which can be used software and/or the mode of hardware is realized, as shown in Figure 1, this method specifically includes
Following steps：
S110 by test software by host-initiated program and backup startup program, is respectively written into storage chip to be tested
Respective physical memory space.
Wherein, the host-initiated program is the background program that system can be allowed to start.It will be allowed by test software and be
The host-initiated program and the backup startup that system can be allowed to start when the mistake of unrepairable occurs in host-initiated program that system starts
Program is respectively written into the respective physical memory space of storage chip to be tested.In ablation process, the management inside storage chip
System can carry out necessary processing to the program data of write-in.Such as can be the main startup journey for being written to amount of physical memory
Sequence may form discrete distribution according to the performance of amount of physical memory according to the inside of amount of physical memory, to host-initiated program into
Row modification；It (may be from the decimal system that the host-initiated program of amount of physical memory, which can also be written to, may to need cataloged procedure
To Binary Conversion), during conversion be likely to occur mistake, therefore some codes for error correction can be set, changes in this way
Host-initiated program originally forms modified host-initiated program；It can also be host-initiated program write-in amount of physical memory also
It needs to increase additional configuration information in host-initiated program, modify to host-initiated program.Record can be traced in test software
The amount of physical memory that each program file finally stores.
S120, according to the amount of physical memory of the host-initiated program, by the master by the modification of storage chip ablation process
Startup program write-in data are read.
Wherein, the host-initiated program of modification be written amount of physical memory after host-initiated program data, relative to it is preceding
Hold readable host-initiated program can different from.The host-initiated program of the reading is the main startup journey changed by storage chip
Sequence.
S130 modifies to host-initiated program write-in data, and the host-initiated program operation is prevented to be formed
Mistake.
Wherein, the modification mode can be by changing the error of continuous data continuous data or being set by modification
Positioning is put so that setting position corrupt data etc., such as can be, preceding 10 binary numbers are the corresponding data of host-initiated program,
The 11-20 binary number is additional configuration information, then just needs 10 binary numbers before changing so that formed and prevent master
The mistake of startup program operation, possibly can not be so that host-initiated program malfunctions if what is changed is the 12-18 binary number.
In a specific example, if only changing a data in host-initiated program, repaiied automatically since system has
Multiple function may will not form the mistake that host-initiated program is prevented to run.
Optionally, it modifies to host-initiated program write-in data, the host-initiated program is prevented to run to be formed
Mistake include：The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, to be formed
Not repairable ECC error.
Wherein, the setting quantity can be 1K data, or 2K data, the present embodiment is to this and without limit
System, test software can be according to present case sets itself.
Specifically, the present embodiment be the host-initiated program of binary form write-in data are carried out setting quantity with
Machine maintenance changes rather than modifies to the host-initiated program being written before, if change is the host-initiated program being written before,
It is then only to have changed code, in the present embodiment, modifies to the host-initiated program write-in data of binary form, then
What is changed is the data of the binary form in computer, changes the host-initiated program write-in data of binary form, energy
It is enough fundamentally to determine whether to form the mistake that host-initiated program is prevented to run, and by changing code, it can not determine to write
After entering computer, it is converted into binary form, if the mistake that host-initiated program is prevented to run can also be formed, this is namely
Why it is not directed through test software and storage chip is written into modified host-initiated program.
Wherein, ECC check is a kind of memory error correction principles, it is the hand of more advanced EMS memory error inspection and corrigendum
Section.ECC memories, that is, error correction memory briefly, have and find mistake, correct the function of mistake, generally apply in top grade more
On desktop computer/server and graphics workstation, this will make entire computer system more they tend to safety and stability at work.To two into
The host-initiated program write-in data of form processed carry out the random modification of setting quantity, to form not repairable ECC error.
It is exactly after occurring the host-initiated program data modification to binary form in order to prevent, the mistake of appearance is repaired, after
It is continuous to realize that system starts by host-initiated program.Because if host-initiated program can normal operation cannot detect backup
Can startup program realize bootrom, cannot also judge that can stand-by program bootrom when needed.
Modified host-initiated program write-in write back data is entered corresponding amount of physical memory by S140.
It is wherein, described that be written back into corresponding amount of physical memory be to re-write the physics of original storage host-initiated program to deposit
Space is stored up, replaces the host-initiated program stored originally.The reason of taking the host-initiated program being written before replacing it is opened in chip
When dynamic host-initiated program is transferred in the position of respective stored host-initiated program.If the host-initiated program being written before replacing it not
Change is needed to transfer path.
S150 runs the storage chip to be tested, is with the backup startup program for verifying the storage chip to be tested
No normal operation.
Wherein, the storage chip to be measured is run, since the host-initiated program of the storage chip to be measured is prevented from running,
Then if the storage chip to be measured can still start, illustrate that the backup startup program of the storage chip to be tested can
Normal operation.If the storage chip to be measured cannot start, illustrate that the backup of the storage chip to be tested starts journey
Sequence can not normal operation.
The technical solution of the present embodiment by test software by host-initiated program and backup startup program, is respectively written into and treats
Test the respective physical memory space of storage chip；According to the amount of physical memory of the host-initiated program, storage core will be passed through
The host-initiated program write-in data of piece ablation process modification are read；It modifies to host-initiated program write-in data, with shape
Into the mistake for preventing the host-initiated program operation；Modified host-initiated program write-in write back data is entered corresponding physics to deposit
Store up space；The storage chip to be tested is run, to verify whether the backup startup program of the storage chip to be tested is normal
Operation.By technical scheme of the present invention, the availability of backup startup program in storage chip can effectively be detected.
Embodiment two
Fig. 2 is a kind of flow diagram of storage chip startup program detection method in the embodiment of the present invention two, upper
On the basis of stating embodiment, further include：It modifies to host-initiated program write-in data, the main startup is prevented to be formed
The mistake of program operation includes：The amount of physical memory that data are written according to the host-initiated program determines corresponding startup ring
Section；Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, the main startup journey is prevented to be formed
The mistake of sort run.
As a result, corresponding startup link is determined by the way that the amount of physical memory of data is written according to the host-initiated program；
Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, the host-initiated program are prevented to transport to be formed
Capable mistake.It avoids and all startup links that host-initiated program includes all is modified, cause workload excessive, test effect
The low situation of rate, can improve the efficiency effectively detected to the availability of backup startup program in storage chip.
As shown in Fig. 2, the method for the present embodiment specifically comprises the following steps：
S210 by test software by host-initiated program and backup startup program, is respectively written into storage chip to be tested
Respective physical memory space.
S220, according to the amount of physical memory of the host-initiated program, by the master by the modification of storage chip ablation process
Startup program write-in data are read.
S230, the amount of physical memory that data are written according to the host-initiated program determine corresponding startup link.
Wherein, the host-initiated program includes many startup links, and the present embodiment can only change a some of which ring
Section or a certain link.
Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, institute are prevented to be formed by S240
State the mistake of host-initiated program operation.
Specifically, it is modified by the way that the host-initiated program corresponding to experimental starting link to be measured is written data, it is possible to
Reach the mistake to be formed and prevent the host-initiated program operation, therefore do not need to all startup rings included to host-initiated program
Section is all modified, it is only necessary to which a change part starts link or some starts link.
Modified host-initiated program write-in write back data is entered corresponding amount of physical memory by S250.
S260 runs the storage chip to be tested, is with the backup startup program for verifying the storage chip to be tested
No normal operation.
In a specific example, by the test software debug tool at PC ends, by NAND, (nand flash memory is a kind of
Storage scheme more better than hard disk drive) end startup program where page (computer programming language script) in data
It reads, preserves the data of reading.Change the data in the b in files (binary file) read in page, i.e. NAND ends master
System page data where startup program manufacture not repairable ECC error, by the bin file of modification and read
Other bin files be written NAND together, start the storage chip to be tested, can detect the storage chip to be tested just
Often work.
The technical solution of the present embodiment is determined pair by the amount of physical memory that data are written according to the host-initiated program
The startup link answered；Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, institute is prevented to be formed
State the mistake of host-initiated program operation.It avoids and all startup links that host-initiated program includes all is modified, lead to work
Work amount is excessive, and the low situation of testing efficiency can improve and the availability of backup startup program in storage chip is effectively examined
The efficiency of survey.
Embodiment three
Fig. 3 is a kind of structure diagram of storage chip startup program detection device of the embodiment of the present invention three.This implementation
Example is applicable to the situation of storage chip startup program detection, which software can be used and/or the mode of hardware is realized, the dress
Putting can be integrated in any required equipment for carrying out storage chip startup program detection function, as shown in figure 3, the storage chip
Startup program detection device specifically includes：First writing module 310 reads module 320, modified module 330, the second writing module
340 and authentication module 350.
Wherein, the first writing module for passing through test software by host-initiated program and backup startup program, is respectively written into
The respective physical memory space of storage chip to be tested；
Module is read, for the amount of physical memory according to the host-initiated program, storage chip ablation process will be passed through
The host-initiated program write-in data of modification are read；
For modifying to host-initiated program write-in data, the main startup journey is prevented to be formed for modified module
The mistake of sort run；
Second writing module, it is empty for modified host-initiated program write-in write back data to be entered corresponding physical store
Between；
Authentication module for running the storage chip to be tested, is opened with the backup for verifying the storage chip to be tested
Dynamic program is whether normal operation.
Optionally, the modified module is specifically used for：
The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, it can not with formation
The ECC error of correction.
Optionally, institute's modified module includes：
Determination unit, the amount of physical memory for data to be written according to the host-initiated program determine corresponding startup ring
Section；
Mistake forms unit, for the host-initiated program write-in data corresponding to experimental starting link to be measured to be modified,
To form the mistake for preventing the host-initiated program operation.
The technical solution of the present embodiment by test software by host-initiated program and backup startup program, is respectively written into and treats
Test the respective physical memory space of storage chip；According to the amount of physical memory of the host-initiated program, storage core will be passed through
The host-initiated program write-in data of piece ablation process modification are read；It modifies to host-initiated program write-in data, with shape
Into the mistake for preventing the host-initiated program operation；Modified host-initiated program write-in write back data is entered corresponding physics to deposit
Store up space；The storage chip to be tested is run, to verify whether the backup startup program of the storage chip to be tested is normal
Operation.By technical scheme of the present invention, the availability of backup startup program in storage chip can effectively be detected.
The said goods can perform the method that any embodiment of the present invention is provided, and have the corresponding function module of execution method
And advantageous effect.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (6)
1. a kind of storage chip startup program detection method, which is characterized in that including：
By test software by host-initiated program and backup startup program, the respective physical for being respectively written into storage chip to be tested is deposited
Store up space；
According to the amount of physical memory of the host-initiated program, will be write by the host-initiated program of storage chip ablation process modification
Enter data reading；
It modifies to host-initiated program write-in data, to form the mistake for preventing the host-initiated program operation；
Modified host-initiated program write-in write back data is entered into corresponding amount of physical memory；
The storage chip to be tested is run, whether is normally transported with the backup startup program for verifying the storage chip to be tested
Row.
2. according to the method described in claim 1, it is characterized in that, to the host-initiated program write-in data modify, with
It is formed and the mistake of the host-initiated program operation is prevented to include：
The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, can not be corrected with being formed
ECC error.
3. according to the method described in claim 1, it is characterized in that, to the host-initiated program write-in data modify, with
It is formed and the mistake of the host-initiated program operation is prevented to include：
The amount of physical memory that data are written according to the host-initiated program determines corresponding startup link；
Host-initiated program write-in data corresponding to experimental starting link to be measured are modified, the main startup journey is prevented to be formed
The mistake of sort run.
4. a kind of storage chip startup program detection device, which is characterized in that including：
First writing module for passing through test software by host-initiated program and backup startup program, is respectively written into be tested deposit
Store up the respective physical memory space of chip；
Module is read, for the amount of physical memory according to the host-initiated program, storage chip ablation process will be passed through and changed
Host-initiated program write-in data read；
Modified module for modifying to host-initiated program write-in data, prevents the host-initiated program from transporting to be formed
Capable mistake；
Second writing module, for modified host-initiated program write-in write back data to be entered corresponding amount of physical memory；
Authentication module, for running the storage chip to be tested, to verify that the backup of the storage chip to be tested starts journey
Sequence is whether normal operation.
5. device according to claim 4, which is characterized in that the modified module is specifically used for：
The random modification of setting quantity is carried out to the host-initiated program write-in data of binary form, can not be corrected with being formed
ECC error.
6. device according to claim 4, which is characterized in that institute's modified module includes：
Determination unit, the amount of physical memory for data to be written according to the host-initiated program determine corresponding startup link；
Mistake forms unit, for the host-initiated program write-in data corresponding to experimental starting link to be measured to be modified, with shape
Into the mistake for preventing the host-initiated program operation.
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| CN115220978A (en) * | 2022-09-19 | 2022-10-21 | 瀚博半导体(上海)有限公司 | Chip starting method and device including online debugging mode, chip and equipment |
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