CN111367710A - eMMC problem reduction method and device - Google Patents
eMMC problem reduction method and device Download PDFInfo
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- CN111367710A CN111367710A CN201811594314.3A CN201811594314A CN111367710A CN 111367710 A CN111367710 A CN 111367710A CN 201811594314 A CN201811594314 A CN 201811594314A CN 111367710 A CN111367710 A CN 111367710A
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- 230000009467 reduction Effects 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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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
- G06F11/1438—Restarting or rejuvenating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
- G06F8/63—Image based installation; Cloning; Build to order
Abstract
The embodiment of the invention provides an eMMC problem reduction method and device, wherein the eMMC comprises a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps: erasing the running firmware of the first block area, and burning a test firmware in the first block area; receiving an operation instruction, and running the test firmware according to the operation instruction; and sending the test data generated by running the test firmware to a display platform for displaying. In the embodiment of the invention, the problem of the eMMC in the operation process can be recovered without erasing all data in the eMMC, the problem in the eMMC can be quickly positioned, and the time for solving the eMMC problem is shortened.
Description
Technical Field
The invention relates to the technical field of memory processing, in particular to an eMMC problem reduction method and device.
Background
An embedded multimedia card (eMMC) is established by the MMC association, and mainly aims at the standard specification of an embedded memory of products such as mobile phones or tablet computers, and comprises at least one NAND and a controller, wherein software is configured in the controller, so that the operation process of the eMMC can be controlled, and the eMMC can be installed in various electronic devices and used as a memory.
At present, the application of the eMMC chip as a storage medium is wide, and the eMMC chip can be seen in various application occasions in life and production. However, due to the limitation of physical characteristics, the use of the eMMC chip cannot be realized in hundreds, particularly, the sales volume of the eMMC chip is always high in recent years, and meanwhile, the customer problem is a big problem which troubles each eMMC manufacturer, whether the customer problem can be accurately and quickly solved or not, and the eMMC chip is also an important index for measuring the comprehensive capacity of the eMMC manufacturer.
The problems of the eMMC are mostly impossible to obviously solve, the eMMC manufacturer is often required to return to carry out processing, and how to quickly reproduce the problems in the chip processing process of the eMMC manufacturer plays a key role in solving the problems. In the prior art, when the eMMC has a problem, the eMMC is erased completely and burned again, but the problem of the eMMC when a user uses the eMMC cannot be found by the method.
Disclosure of Invention
In view of the above problems, the present invention provides a method for restoring an eMMC problem, which can quickly locate the problem occurring in the eMMC during the use process.
According to a first aspect of the present invention, there is provided a method for restoring an eMMC problem, the eMMC including a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps:
erasing the running firmware of the first block area, and burning a test firmware in the first block area;
receiving an operation instruction, and running the test firmware according to the operation instruction;
and sending the test data generated by running the test firmware to a display platform for displaying.
According to a second aspect of the present invention, there is provided an eMMC problem reduction apparatus, which is applied to any one of the eMMC problem reduction methods described above, wherein the eMMC includes a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the device comprises:
the erasing and burning module is used for erasing the running firmware of the first block area and burning a test firmware in the first block area;
the operation module is used for receiving an operation instruction and operating the test firmware according to the operation instruction;
and the sending module is used for sending the test data generated by running the test firmware to a display platform for displaying.
In an embodiment of the present invention, an eMMC problem reduction method is provided, where the eMMC includes a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps: erasing the running firmware of the first block area, and burning a test firmware in the first block area; receiving an operation instruction, and running the test firmware according to the operation instruction; and sending the test data generated by running the test firmware to a display platform for displaying. In the embodiment of the invention, the problem of the eMMC in the operation process can be recovered without erasing all data in the eMMC, the problem in the eMMC can be quickly positioned, and the time for solving the eMMC problem is shortened.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart illustrating steps of an eMMC problem recovery method according to an embodiment of the present invention;
fig. 2 is a block diagram of an eMMC problem recovery apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention, but do not limit the invention to only some, but not all embodiments.
Example one
Referring to fig. 1, a flow diagram of steps of a method for eMMC header recovery is shown, the eMMC including a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method specifically comprises the following steps:
In the embodiment of the present invention, the eMMC has a NAND flash memory therein, and the NAND flash memory is divided into a plurality of block areas, each of which stores fixed data. Wherein the first block area stores operating data and the second block area stores system data. The system data includes a data table, a memory address mapping table, and the like.
In the embodiment of the invention, the system data comprises operation parameters required by the operation firmware in the operation process.
In the embodiment of the present invention, when the running data or the test data of the first block area of the eMMC runs, a running parameter needs to be called in the second block area to run.
In the embodiment of the invention, when the eMMC is installed in the device, the eMMC may have a problem and cannot operate when the user uses the device. The reason why the eMMC has a problem includes that a command input by a user is incorrect or system data is erroneous.
In the embodiment of the invention, the eMMC is provided with a peripheral serial port; before step 101, further comprising: receiving a debugging command from the serial port; according to the debugging command, operating the operating firmware, and outputting the operating result through the serial port; and receiving a restoring command, and executing the steps of erasing the running firmware of the first block area and burning a test firmware in the first block area according to the restoring command.
In the embodiment of the invention, the eMMC is connected with the peripheral equipment through a serial port, the eMMC receives a debugging command sent by the peripheral equipment, wherein the debugging command comprises debugging parameters, the eMMC runs original running firmware according to the debugging command, when the firmware can run, the situation that the system data is error-free, the command input by a user is incorrect, and the running firmware cannot run is shown. If the running firmware cannot run, the system data is in error. The peripheral device sends a restore command to the eMMC, and the eMMC executes step 101 after receiving the restore command.
In the embodiment of the invention, the debugging command is a correct command used by a tester for debugging the eMMC. The restore command is a command for instructing the eMMC to restore a system data error.
In the embodiment of the invention, when the command input by the user is incorrect, the tester can obtain the input command provided by the user, and the problem of the input command is determined to be fed back to the user through the detection of the tester.
In the embodiment of the invention, when system data has errors, a tester erases original running firmware in the first block area, and then burns and writes test firmware in the first block area, wherein the test firmware is firmware capable of calling system parameters to run.
In the embodiment of the invention, the test firmware is established by a tester and can be used for reading codes of system data.
In the embodiment of the invention, all data in the eMMC does not need to be erased, and the firmware and the system data are burned again. The problem of the system data can be determined only by erasing the running firmware and reserving the system data.
102, receiving an operation instruction, and running the test firmware according to the operation instruction;
in an embodiment of the present invention, step 102 includes: and receiving an operation instruction, calling the corresponding operation parameters in the second block area according to the operation instruction, and operating the test firmware.
In the embodiment of the invention, the operation instruction refers to an instruction input by a user in using the eMMC, and a tester and the user can acquire the operation instruction input by the user when the eMMC has a problem. Then, the tester can write the operation instruction into the eMMC, the eMMC can run the test firmware according to the operation instruction, and the test firmware can call the running parameters of the second block area when running.
And 103, sending the test data generated by running the test firmware to a display platform for displaying.
In the embodiment of the invention, the test data comprises test firmware running state, command sequence and system data.
In the embodiment of the invention, when the test firmware runs, the running state of the test firmware, the command sequence and the system data are transmitted to the display platform of the peripheral equipment through the serial port to be displayed, so that a tester can determine the problem of the eMMC running at a user side by observing the test data, namely, the problem of the eMMC is restored, and the problem encountered by the user is solved in time.
In an embodiment of the present invention, an eMMC problem reduction method is provided, where the eMMC includes a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps: erasing the running firmware of the first block area, and burning a test firmware in the first block area; receiving an operation instruction, and running the test firmware according to the operation instruction; and sending the test data generated by running the test firmware to a display platform for displaying. In the embodiment of the invention, the problem of the eMMC in the operation process can be recovered without erasing all data in the eMMC, the problem in the eMMC can be quickly positioned, and the time for solving the eMMC problem is shortened.
Example two
Referring to fig. 2, a block diagram of an eMMC problem recovery apparatus is shown,
the eMMC comprises a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the apparatus 200 may specifically include:
an erasing and burning module 201, configured to erase the operating firmware in the first block area, and burn a test firmware in the first block area;
the running module 202 is configured to receive an operation instruction, and run the test firmware according to the operation instruction;
and the sending module 203 is configured to send the test data generated by running the test firmware to a display platform for displaying.
The system data comprises operation parameters required by the operation firmware in the operation process.
The operation module 202 includes:
and the running unit is used for receiving an operation instruction, calling the corresponding running parameters in the second block area according to the operation instruction, and running the test firmware.
The eMMC is equipped with peripheral hardware serial ports, still includes:
the receiving module is used for receiving the debugging command from the serial port;
the output module runs the running firmware according to the debugging command and outputs the running result through the serial port;
and receiving a restoring command, and executing the steps of erasing the running firmware of the first block area and burning a test firmware in the first block area according to the restoring command.
The test data comprises test firmware running state, command sequence and system data.
In an embodiment of the present invention, an eMMC problem reduction method is provided, where the eMMC includes a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps: erasing the running firmware of the first block area, and burning a test firmware in the first block area; receiving an operation instruction, and running the test firmware according to the operation instruction; and sending the test data generated by running the test firmware to a display platform for displaying. In the embodiment of the invention, the problem of the eMMC in the operation process can be recovered without erasing all data in the eMMC, the problem in the eMMC can be quickly positioned, and the time for solving the eMMC problem is shortened.
It should be noted that the foregoing method embodiments are described as a series of acts or combinations for simplicity in explanation, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts or acts described, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
In a typical configuration, the computer device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory. The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium. Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (fransitory media), such as modulated data signals and carrier waves.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable nonvolatile memory erasure terminal apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable nonvolatile memory erasure terminal apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable non-volatile memory erasing terminal device to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable non-volatile memory erasing terminal device to cause a series of operational steps to be performed on the computer or other programmable terminal device to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal device provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The eMMC problem reduction method and apparatus provided by the present invention are described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. An eMMC problem reduction method is characterized in that the eMMC comprises a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the method comprises the following steps:
erasing the running firmware of the first block area, and burning a test firmware in the first block area;
receiving an operation instruction, and running the test firmware according to the operation instruction;
and sending the test data generated by running the test firmware to a display platform for displaying.
2. The method of claim 1, wherein the system data comprises operating parameters required by the operating firmware during operation.
3. The method of claim 2, wherein receiving the operation instruction and executing the test firmware according to the operation instruction comprises:
and receiving an operation instruction, calling the corresponding operation parameters in the second block area according to the operation instruction, and operating the test firmware.
4. The method of claim 1, wherein the eMMC is provided with a peripheral serial port; before erasing the operating firmware in the first block area and burning the test firmware in the first block area, the method further includes:
receiving a debugging command from the serial port;
according to the debugging command, operating the operating firmware, and outputting the operating result through the serial port;
and receiving a restoring command, and executing the steps of erasing the running firmware of the first block area and burning a test firmware in the first block area according to the restoring command.
5. The method of claim 1, wherein the test data comprises test firmware operating status, command sequences, and system data.
6. An eMMC problem reduction device is characterized in that the eMMC comprises a first block area and a second block area; the first block area stores running firmware; the second block area stores system data; the device comprises:
the erasing and burning module is used for erasing the running firmware of the first block area and burning a test firmware in the first block area;
the operation module is used for receiving an operation instruction and operating the test firmware according to the operation instruction;
and the sending module is used for sending the test data generated by running the test firmware to a display platform for displaying.
7. The apparatus of claim 6, wherein the system data comprises operating parameters required by the operating firmware during operation.
8. The apparatus of claim 7, wherein the operation module comprises:
and the running unit is used for receiving an operation instruction, calling the corresponding running parameters in the second block area according to the operation instruction, and running the test firmware.
9. The apparatus of claim 6, wherein the eMMC is configured with a peripheral serial port, further comprising:
the receiving module is used for receiving the debugging command from the serial port;
the output module runs the running firmware according to the debugging command and outputs the running result through the serial port;
and receiving a restoring command, and executing the steps of erasing the running firmware of the first block area and burning a test firmware in the first block area according to the restoring command.
10. The apparatus of claim 6, wherein the test data comprises test firmware operating status, command sequences, and system data.
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