CN109408099A - Remote FPGA firmware code updating system, method and medium - Google Patents
Remote FPGA firmware code updating system, method and medium Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 47
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- 230000005540 biological transmission Effects 0.000 claims description 9
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- 238000004590 computer program Methods 0.000 claims description 5
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
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Abstract
The invention provides a remote FPGA firmware code updating system, a method and a medium, comprising the following steps: the device comprises a remote communication module, an MCU control module, an FPGA module and a FLASH memory; the remote communication module is connected with the MCU control module, the MCU control module is connected with the FPGA module, and the FPGA module is connected with the FLASH memory; the FLASH memory is stored with FPGA firmware. The invention uses the MCU control module, can check the legitimacy of the firmware, prevent the system from being updated the firmware illegally; the verification field is pre-stored in the MCU, so that verification information is prevented from being leaked, and the safety of the whole system is ensured; the MCU control module is used for controlling the FPGA to reset, so that the firmware can take effect without power failure and restarting after updating; the MCU control module can control the power-on time sequence of the FPGA, detect whether the power-on loading of the firmware is successful or not and ensure the reliability of the system.
Description
Technical field
The present invention relates to technology of CPLD fields, and in particular, to a kind of long-range FPGA firmware code update
System, method and medium.In particular, it is related to the firmware code telesecurity update method of FPGA based on MCU a kind of.
Background technique
Currently, with the rapid development of semiconductor technology, field programmable gate array FPGA (Field
Programmable Gate Array) it has been widely used in many product designs, or even be used in many occasions
Substitute dedicated IC chip.FPGA has logical resource abundant, I/O resource, and with the design cycle is short, development cost are low, wind
The advantages of small and high reliablity in danger.With the extensive use of FPGA, the long-range method for updating FPGA firmware code is also extensive
It uses.
For the method for common long-range update FPGA firmware code, solution is had been proposed in many patent documents,
But require to power off substantially, restart after configure and can just come into force.As accounting is higher and higher in various applications by FPGA, remotely
The safety of FPGA firmware update approach is also more and more important, goes wrong or be maliciously updated to matching for mistake once updating
It sets, it will cause immeasurable influence to enterprise.
Patent document CN105955783A (application number: 201610305001.6) is disclosed a kind of based on the remote of FPGA control
The method for down loading of journey FPGA logical code is updated by fpga logic control routine, and when updating failure, FPGA loads backup version
This, system can work normally, while can carry out code update next time.The method for down loading include: logical code pass through with
Too net is transferred to CPU, is transferred to FPGA by IIC interface after processing, controls erasing FLASH by logical code inside FPGA and deposits
Update code bit stream in reservoir, more fresh code is downloaded in FLASH memory and is verified, to realize that FPGA's is long-range
It updates.
The patent document is transferred to FPGA by IIC interface by CPU, can back up loading code, and checksum update code
Bit stream.Whether the code that this method can only examine CPU to receive is correct, but whether code is legal to examine.
Patent document CN06843959A (application number: 201710034806.6) disclosing a kind of FPGA remotely updating device,
Including FPGA module, embeded processor remote update system is equipped with inside FPGA module, remote update system includes communication mould
Block and long-range update module, communication module are connected with host computer and long-range update module respectively, long-range update module and FPGA mould
Block must configure FLASH and be connected.The patent document further correspondingly discloses a kind of FPGA method for remote updating, step are as follows: S01, upper
Machine sends the program more new command of agreement to embeded processor remote update system, long-range update module acquisition more new system
State decides whether to receive more new command；S02, after allowing update, host computer issues data frame, and is sent to and long-range updates mould
Block carries out the temporary of data frame, and the update of data frame is completed according still further to the specific timing of configuration FLASH.
The patent document by FPGA be internally embedded formula processor receive host computer send agreement program more new command into
Row updates.This method is trapped the risk cracked in the presence of instruction, once instruction is acquired, system can also update mistake by malice
Firmware.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of long-range FPGA firmware code more new system,
Method and medium.
A kind of long-range FPGA firmware code more new system provided according to the present invention characterized by comprising telecommunication
Module, MCU control module, FPGA module and FLASH memory；
The remote communication module is connected with MCU control module, and MCU control module is connected with FPGA module, FPGA module
It is connected with FLASH memory；
FPGA firmware is stored in the FLASH memory.
Preferably, the FPGA firmware: including check field, and the check field is solid for MCU control module verification FPGA
Part legitimacy；
The remote communication module: receiving firmware update instruction and the new firmware of FPGA, and the new firmware of FPGA is transmitted to MCU control
Molding block；The update from MCU control module is received as a result, and recording Update log information according to result is updated；
The MCU control module: the check field in the new firmware of the FPGA received is parsed, is judged according to check field
Whether the new firmware of FPGA is legal:
If legal, then the check field of the MCU control module removal new firmware of FPGA, generation FPGA firmware to be updated are incited somebody to action
FPGA firmware to be updated is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control
FPGA module processed is powered on, is resetted；
Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating；
The FPGA module: receiving the FPGA firmware to be updated from MCU control module, update firmware mark, according to
Firmware mark is updated, is FPGA firmware to be updated by the FPGA firmware update in FLASH memory, updates after executing, controlled to MCU
The transmission of molding block is updated successfully mark or updates failure flags；
The MCU control module: being updated successfully mark or updating from FPGA module transmission is unsuccessfully marked based on the received
Will is generated and is updated as a result, and being transmitted to remote communication module for result is updated；
The FLASH memory: storage FPGA firmware, FPGA firmware to be updated.
Preferably, the firmware update instruction and FPGA firmware are from remote terminal.
A kind of long-range FPGA firmware code update method provided according to the present invention characterized by comprising
Step 1: enabling remote communication module receive firmware update instruction, the new firmware of FPGA, remote communication module is according to reception
Firmware update instruction, the new firmware of FPGA, to MCU control module send the new firmware of FPGA；
Step 2: after enabling MCU control module receive the new firmware of FPGA, parsing the verification in the new firmware of the FPGA received
Field, it is whether legal according to the check field verification new firmware of FPGA, if it is determined that the new firmware of FPGA is legal, then enter step 3 continuation
It executes；Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating, and terminates process；
Step 3: enabling the check field of the MCU control module removal new firmware of FPGA, FPGA firmware to be updated is generated, by FPGA
Firmware to be updated is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control
FPGA module is powered on, is resetted；
Step 4: it enables FPGA module receive and updates firmware mark, it, will be in FLASH memory according to firmware mark is updated
FPGA firmware update is FPGA firmware to be updated, after the completion of update, judges whether to be updated successfully, if so, to MCU control module
Transmission is updated successfully mark；Otherwise, then it is sent to MCU control module and updates failure flags；
Step 5: if MCU control module receives the mark that FPGA is updated successfully, generating reset signal, control FPGA mould
Block reset, output updates to be continued to execute as a result, entering step 6；
If MCU control module receives the mark that FPGA updates failure, it is default to judge whether repetition update times are greater than
Value determines to update failure, output updates to be continued to execute as a result, entering step 6 if so, stopping updating；Otherwise, then it will repeat
Update times add 1, and return step 4 continues to execute；
Step 6: enabling MCU control module be transmitted to remote communication module for result is updated, remote communication module records this
Update log.
Preferably, the step 2 includes:
Step 2.1: MCU control module being enabled to receive the new firmware of FPGA that remote communication module is sent；
Step 2.2: enabling MCU control module by scheduled position and length, extract the check field in the new firmware of FPGA；
Step 2.3: by the check field in the new firmware of the FPGA of extraction and being stored in advance in prestoring in MCU control module
Check field compares, if comparison is consistent, determines that the new firmware of FPGA is legal, enters step 3 and continue to execute；Otherwise, then lead to
Know that the new firmware of remote communication module FPGA is illegal, abandon this time updating, terminates process.
A kind of computer readable storage medium for being stored with computer program provided according to the present invention, which is characterized in that
The computer program realizes the step of long-range FPGA firmware code update method described in any of the above embodiments when being executed by processor
Suddenly.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, using MCU control module, the legitimacy of firmware can be examined, anti-locking system is illegally updated firmware；
2, it using in the pre-existing MCU of check field, prevents check information from revealing, guarantees the safety of whole system；
3, using MCU control module, it can control FPGA reset, so that not having to power-off restarting firmware after updating could give birth to
Effect；
4, using MCU control module, it can control FPGA electrifying timing sequence, detection powers on whether loading firmware succeeds, and guarantees
The reliability of system.
5, remote communication module has Update log writing function, can do detailed record with illegal update to legal every time,
For subsequent examination.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is that long-range FPGA firmware code according to the present invention updates system structure diagram.
Fig. 2 is long-range FPGA firmware code update method flow diagram according to the present invention.
Fig. 3 is the flow diagram of the step S102 of long-range FPGA firmware code update method according to the present invention.
Fig. 4 is the long-range FPGA firmware code update method flow diagram in preference according to the present invention.
Fig. 5 is the firmware checking process signal of the long-range FPGA firmware code update method in preference according to the present invention
Figure.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, a kind of long-range FPGA firmware code more new system provided according to the present invention, comprising: telecommunication
Module, MCU control module, FPGA module and FLASH memory；
The remote communication module is connected with MCU control module, and MCU control module is connected with FPGA module, FPGA module
It is connected with FLASH memory；
FPGA firmware is stored in the FLASH memory.
Specifically, the FPGA firmware: including check field, and the check field is solid for MCU control module verification FPGA
Part legitimacy；
The remote communication module: receiving firmware update instruction and the new firmware of FPGA, and the new firmware of FPGA is transmitted to MCU control
Molding block；The update from MCU control module is received as a result, and recording Update log information according to result is updated；
The MCU control module: the check field in the new firmware of the FPGA received is parsed, is judged according to check field
Whether the new firmware of FPGA is legal:
If legal, then the check field of the MCU control module removal new firmware of FPGA, generation FPGA firmware to be updated are incited somebody to action
FPGA firmware to be updated is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control
FPGA module processed is powered on, is resetted；
Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating；
The FPGA module: receiving the FPGA firmware to be updated from MCU control module, update firmware mark, according to
Firmware mark is updated, is FPGA firmware to be updated by the FPGA firmware update in FLASH memory, updates after executing, controlled to MCU
The transmission of molding block is updated successfully mark or updates failure flags；
The MCU control module: being updated successfully mark or updating from FPGA module transmission is unsuccessfully marked based on the received
Will is generated and is updated as a result, and being transmitted to remote communication module for result is updated；
The FLASH memory: storage FPGA firmware, FPGA firmware to be updated.
Specifically, the firmware update instruction and FPGA firmware are from remote terminal.
Long-range FPGA firmware code more new system provided by the invention, the long-range FPGA firmware generation that can be given through the invention
The step process of code update method is realized.Those skilled in the art can manage the long-range FPGA firmware code update method
Solution is a preference of the long-range FPGA firmware code more new system.
As shown in Fig. 2, a kind of long-range FPGA firmware code update method provided according to the present invention, comprising:
Step S101: remote communication module is enabled to receive firmware update instruction, the new firmware of FPGA, remote communication module is according to connecing
The firmware update instruction of receipts, the new firmware of FPGA send the new firmware of FPGA to MCU control module；
Step S102: after enabling MCU control module receive the new firmware of FPGA, the school in the new firmware of the FPGA received is parsed
Field is tested, it is whether legal according to the check field verification new firmware of FPGA, if it is determined that the new firmware of FPGA is legal, then enter step S103
It continues to execute；Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating, and terminates process；
Step S103: enabling the check field of the MCU control module removal new firmware of FPGA, generate FPGA firmware to be updated, will
FPGA firmware to be updated is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control
FPGA module processed is powered on, is resetted；
Step S104: enabling FPGA module receive and update firmware mark, will be in FLASH memory according to firmware mark is updated
FPGA firmware update be FPGA firmware to be updated, after the completion of update, judge whether to be updated successfully, if so, to MCU control mould
Block transmission is updated successfully mark；Otherwise, then it is sent to MCU control module and updates failure flags；
Step S105: if MCU control module receives the mark that FPGA is updated successfully, generating reset signal, control
FPGA module resets, and output updates to be continued to execute as a result, entering step S106；
If MCU control module receives the mark that FPGA updates failure, it is default to judge whether repetition update times are greater than
Value determines to update failure, output updates to be continued to execute as a result, entering step S106 if so, stopping updating；Otherwise, then it will weigh
Multiple update times add 1, and return step S104 is continued to execute；
Step S106: MCU control module is enabled to be transmitted to remote communication module, remote communication module minute book for result is updated
Secondary Update log.
As shown in figure 3, specifically, the step S102 includes:
Step S201: MCU control module is enabled to receive the new firmware of FPGA that remote communication module is sent；
Step S202: it enables MCU control module by scheduled position and length, extracts the check field in the new firmware of FPGA；
Step S203: it by the check field in the new firmware of the FPGA of extraction and is stored in advance in pre- in MCU control module
It deposits check field to compare, if comparison is consistent, determines that the new firmware of FPGA is legal, enter step S103 and continue to execute；Otherwise,
It then notifies that new firmware is illegal by remote communication module FPGA, abandons this time updating, terminate process.
A kind of computer readable storage medium for being stored with computer program provided according to the present invention, the computer journey
The step of long-range FPGA firmware code update method described in any of the above embodiments is realized when sequence is executed by processor.
Below by preference, more specific detail is carried out to the present invention.
Embodiment 1:
As shown in Figure 4, Figure 5, a kind of system that long-range FPGA firmware code updates, the FPGA firmware including tape verifying field
(hereinafter referred to as FPGA firmware), remote communication module, MCU control module, FPGA module and FLASH memory.
FPGA firmware includes check field, for providing firmware legitimacy verifies.
Firmware file is issued to MCU for receiving order and the firmware file of remote terminal transmission by remote communication module
Control module, and the order of MCU passback is sended and received, and record each Update log information.
MCU control module verifies firmware legitimacy and control for parsing the check field in the FPGA firmware received
FPGA module processed is powered on, is resetted.
FPGA module verifies the firmware passed through for receiving MCU, and is cured in FLASH memory.
FLASH memory, for storing FPGA firmware.
The remote communication module and remote terminal and MCU are controlled
Module is connected, and MCU control module and FPGA module are connected, and FPGA module is connected with FLASH memory.
The present invention also provides a kind of update and method of calibration based on above-mentioned long-range update FPGA fixer system, steps are as follows:
Step 1: the remote terminal sends firmware update instruction and new firmware, telecommunication mould to remote communication module
After block receives firmware update instruction, start to receive the new firmware of FPGA, and send new firmware to MCU control module；
After step 2:MCU control module receives new firmware, field parsing is carried out, the legitimacy of new firmware is verified；
Step 3: after firmware is legal, generating the new firmware for removing check field, and send FPGA to, while it is solid to generate update
Part mark；
Step 4:FPGA, which is received, updates firmware mark, starts to update FLASH firmware, after the completion of update, notice MCU control
Module；
Step 5: if MCU receives the mark that FPGA is updated successfully, generating reset signal, positive return FPGA；If MCU
The mark that FPGA updates failure is received, then repeats step 4, until completing to update operation or reaching preset repetition more
New number stops updating；
Step 6:MCU is back to remote communication module for result is updated, and remote communication module records this Update log.
Wherein, step 2 the following steps are included:
Step 2.1:MCU control module receives the new firmware that remote communication module is sent.
Position and length of the step 2.2:MCU control module by agreement, extract the check field in firmware；
Step 2.3: the check field extracted and the check field being stored in advance in MCU control module are compared
Compared with, pass through if comparing, MCU generate update firmware mark, notice FPGA update FLASH firmware；If not passing through, notify
Remote communication module firmware is illegal, abandons this time updating.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that provided by the invention other than system, device and its modules
System, device and its modules are declined with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion
The form of controller etc. realizes identical program.So system provided by the invention, device and its modules may be considered that
It is a kind of hardware component, and the knot that the module for realizing various programs for including in it can also be considered as in hardware component
Structure；It can also will be considered as realizing the module of various functions either the software program of implementation method can be Hardware Subdivision again
Structure in part.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of long-range FPGA firmware code more new system characterized by comprising remote communication module, MCU control module,
FPGA module and FLASH memory；
The remote communication module is connected with MCU control module, and MCU control module is connected with FPGA module, FPGA module with
FLASH memory is connected；
FPGA firmware is stored in the FLASH memory.
2. long-range FPGA firmware code more new system according to claim 1, which is characterized in that the FPGA firmware: packet
Containing check field, the check field verifies FPGA firmware legitimacy for MCU control module；
The remote communication module: receiving firmware update instruction and the new firmware of FPGA, and the new firmware of FPGA is transmitted to MCU control mould
Block；The update from MCU control module is received as a result, and recording Update log information according to result is updated；
The MCU control module: parsing the check field in the new firmware of the FPGA received, judges that FPGA is new according to check field
Whether firmware is legal:
If legal, then the check field of the MCU control module removal new firmware of FPGA, generation FPGA firmware to be updated wait for FPGA
It updates firmware and is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control FPGA
Module is powered on, is resetted；
Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating；
The FPGA module: it receives the FPGA firmware to be updated from MCU control module, update firmware mark, according to update
Firmware mark, is FPGA firmware to be updated by the FPGA firmware update in FLASH memory, updates after executing, and controls mould to MCU
Block transmission is updated successfully mark or updates failure flags；
The MCU control module: mark or update failure flags are updated successfully from FPGA module transmission based on the received, are produced
It is raw to update as a result, and being transmitted to remote communication module for result is updated；
The FLASH memory: storage FPGA firmware, FPGA firmware to be updated.
3. long-range FPGA firmware code more new system according to claim 2, which is characterized in that the firmware update instruction
With FPGA firmware from remote terminal.
4. a kind of long-range FPGA firmware code update method characterized by comprising
Step 1: enabling remote communication module receive firmware update instruction, the new firmware of FPGA, remote communication module is solid based on the received
Part more new command, the new firmware of FPGA send the new firmware of FPGA to MCU control module；
Step 2: after enabling MCU control module receive the new firmware of FPGA, the check field in the new firmware of the FPGA received is parsed,
It is whether legal according to the check field verification new firmware of FPGA, if it is determined that the new firmware of FPGA is legal, then enters step 3 and continue to execute；
Otherwise, then remote communication module is notified, the new firmware of FPGA is illegal, abandons this time updating, and terminates process；
Step 3: enabling the check field of the MCU control module removal new firmware of FPGA, generate FPGA firmware to be updated, FPGA is waited for more
New firmware is transferred to FPGA module；It generates to update firmware mark and send to FPGA module and updates firmware mark, control FPGA mould
Block is powered on, is resetted；
Step 4: enabling FPGA module receive and update firmware mark, according to firmware mark is updated, the FPGA in FLASH memory is consolidated
Part is updated to FPGA firmware to be updated, after the completion of update, judges whether to be updated successfully, if so, sending more to MCU control module
New Success Flag；Otherwise, then it is sent to MCU control module and updates failure flags；
Step 5: if MCU control module receives the mark that FPGA is updated successfully, generating reset signal, control FPGA module is multiple
Position, output updates to be continued to execute as a result, entering step 6；
If MCU control module receives the mark that FPGA updates failure, judge to repeat whether update times are greater than preset value, if
It is then to stop updating, determines to update failure, output updates to be continued to execute as a result, entering step 6；Otherwise, then it will repeat to update secondary
Number plus 1, return step 4 continues to execute；
Step 6: enabling MCU control module be transmitted to remote communication module for result is updated, remote communication module records this update
Log.
5. long-range FPGA firmware code update method according to claim 4, which is characterized in that the step 2 includes:
Step 2.1: MCU control module being enabled to receive the new firmware of FPGA that remote communication module is sent；
Step 2.2: enabling MCU control module by scheduled position and length, extract the check field in the new firmware of FPGA；
Step 2.3: by the check field in the new firmware of the FPGA of extraction and being stored in advance in MCU control module and prestore verification
Field compares, if comparison is consistent, determines that the new firmware of FPGA is legal, enters step 3 and continue to execute；Otherwise, then notice is remote
The new firmware of journey communication module FPGA is illegal, abandons this time updating, and terminates process.
6. a kind of computer readable storage medium for being stored with computer program, which is characterized in that the computer program is located
Manage the step of long-range FPGA firmware code update method described in any one of claim 4 to 5 is realized when device executes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110515773A (en) * | 2019-08-27 | 2019-11-29 | 北京中科晶上科技股份有限公司 | Update method and device, the system of configuration file |
| CN110806887A (en) * | 2019-10-29 | 2020-02-18 | 华工正源智能终端（孝感）有限公司 | Software security upgrading method and device |
| CN114003294A (en) * | 2021-09-18 | 2022-02-01 | 苏州浪潮智能科技有限公司 | Remote power-on/off and firmware updating device, server, system, method and medium |
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| CN114003294B (en) * | 2021-09-18 | 2023-08-29 | 苏州浪潮智能科技有限公司 | Remote startup and shutdown and firmware updating device, server, system, method and medium |
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