CN116681030B

CN116681030B - Signing checking method, device, equipment and storage medium

Info

Publication number: CN116681030B
Application number: CN202310676357.0A
Authority: CN
Inventors: 王来; 张奥运; 陈保文
Original assignee: Shanghai Hexin Digital Technology Co ltd; Hexin Technology Co ltd
Current assignee: Shanghai Hexin Digital Technology Co ltd; Hexin Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-15
Anticipated expiration: 2043-06-08
Also published as: CN116681030A

Abstract

The invention discloses a signing and checking method, a device, equipment and a storage medium, wherein a signing and checking template is arranged, and comprises a checking item number, a checking item category and a checking item; acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category and the item working path corresponding to a first check item number in a check template; extracting first key data from the first target file data according to a first inspection item corresponding to the first inspection item number, and checking the first key data to obtain a first inspection result corresponding to the first inspection item; after determining to obtain the inspection results corresponding to all the inspection items in the checking and checking template, substituting all the inspection results into the checking and checking template to obtain a checking and checking result file; compared with the prior art, the technical scheme of the invention can improve the efficiency of checking.

Description

Signing checking method, device, equipment and storage medium

Technical Field

The present invention relates to the technical field of flow management, and in particular, to a method, an apparatus, a device, and a storage medium for checking a signature.

Background

In the research and development process of the high-performance processor chip, the characteristics of large design scale of an integrated circuit, advanced process and the like exist, because of the large system complexity of the design scale, the system is generally divided into a plurality of sub-modules by introducing hierarchical design in physical design, and different research and development responsible persons are used for completing physical realization tasks, and in order to ensure that each module can be reliably delivered, a standard and unified inspection standard is required to be introduced in a design period; meanwhile, when an advanced process is used, the types and the number of signing inspection items before the film is flowed are greatly increased, and challenges are presented to on-time delivery of physical realization.

Physical implementation and signing have the characteristic of widely using cross-EDA platform tools, and various EDA tools are usually required to assist in designing and checking to complete tasks such as synthesis, layout and wiring, clock tree, physical verification, static time sequence analysis, power consumption analysis, voltage drop analysis and the like, and the checking standards and reporting forms are different, so that the experience of designers is very tested.

Most of the current solutions are that a designer manually refers to various reports and logs, useful information is extracted and archived, and then a delivery project responsible person carries out secondary check and confirmation; the disadvantage is that the efficiency is low, especially in the iterative design of the project, the manual inspection lengthens the design period, and meanwhile, the inspection is possibly careless and insufficient due to negligence or experience deficiency of the designer, so that the reliability of the design is directly reduced.

Disclosure of Invention

The invention aims to solve the technical problems that: provided are a method, a device and a storage medium for checking, which can improve checking efficiency.

In order to solve the technical problems, the invention provides a method, a device, equipment and a storage medium for checking signing and checking, which comprise the following steps:

setting a signing and checking template, wherein the signing and checking template comprises a checking item number, a checking item category and a checking item;

acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category corresponding to a first check item number in the check template and the item working path;

extracting first key data from the first target file data according to a first inspection item corresponding to the first inspection item number, and checking the first key data to obtain a first inspection result corresponding to the first inspection item;

after determining to obtain the inspection results corresponding to all the inspection items in the signing inspection template, substituting all the inspection results into the signing inspection template to obtain a signing inspection result file.

Furthermore, related data of the to-be-checked inspection is acquired based on the project work path of the to-be-checked project file, so that the data acquisition efficiency is improved, meanwhile, the to-be-checked project file is automatically checked based on the check items in the set check template, and after the check result is obtained, a check result file is generated, so that the problem that different staff are required to check different check items in the prior art is avoided, and the check efficiency is improved.

In one possible implementation manner, after obtaining the signing and checking result file, the method further includes:

and sending the signing and checking result file to a webpage display system so that the webpage display system can visually display the signing and checking result.

Furthermore, the analysis result is pushed to the webpage display platform, so that the result data is unified, standard and visual, and meanwhile, the state records of each inspection can be tracked, so that the annotation modification of designers is facilitated.

In one possible implementation manner, a checking and checking template is set, wherein the checking and checking template comprises a checking item number, a checking item category and a checking item, and specifically comprises;

setting inspection item categories of the signing inspection template, wherein the inspection item categories comprise an input category, a physical verification category, a time sequence category and a voltage category;

when the inspection item category is the input category, setting whether the inspection item corresponding to the input category comprises data which is complete and whether the version is consistent or not;

when the inspection item category is the physical verification category, setting the inspection item corresponding to the physical verification category to comprise whether the design rule in the physical layout is checked against the rule and whether the electric rule in the physical layout is checked against the rule;

When the inspection item class is the time sequence class, setting the inspection item corresponding to the time sequence class to comprise whether time sequence constraint is completed, establishing a time setup inspection, whether a hold time hold inspection, a glitch burr inspection, a design rule DRV inspection, a clock minimum pulse width MPW inspection and a clock period inspection are carried out;

when the class of the checking items is the voltage class, setting the checking items corresponding to the voltage class to comprise whether a power supply has short circuit or open circuit, whether the voltage is lower than a threshold value, whether the current exceeds the threshold value and whether the equivalent resistance of a power grid exceeds the threshold value;

after the setting of the inspection items is completed, a corresponding inspection item number is set for each inspection item.

Furthermore, when the checking template is set, specific checking item categories and checking items are set, so that when the checking is carried out on the to-be-checked item files based on the checking template, automatic checking on each checking item can be realized, and checking efficiency is improved.

In one possible implementation manner, signing and checking are performed on the first key data, and after a first checking result corresponding to the first checking item is obtained, the method further includes;

Setting a target inspection item, and setting remark information for the target inspection item;

judging whether the first check item is the target check item or not when the first check result is determined to be incorrect;

when the first examination object is determined to be the object examination item, first remark data are acquired based on the remark information, and the first remark data are recorded in the first examination result.

Further, in the prior art, due to complex judgment of inspection items and various inspection types, an incorrect state cannot indicate the specific violation type; based on the method, the target inspection item and the corresponding remark information are set, so that remark information is acquired in the signing inspection, and workers can conveniently find the types and the amounts of violations.

In one possible implementation manner, setting a target inspection item, and setting remark information for the target inspection item, wherein the method specifically comprises the steps of;

setting a target checking item, wherein the target checking item comprises whether a design rule check in the physical layout breaks a rule, whether the time sequence constraint is completed, whether the setup time setup check breaks a rule, whether the hold time hold check breaks a rule, whether the glitch burr check breaks a rule, whether the design rule DRV check breaks a rule, whether the clock minimum pulse width MPW check breaks a rule, whether the clock cycle check breaks a rule and whether the power supply has a short circuit or an open circuit;

When the target inspection item inspects whether the design rule in the physical layout is illegal or not, setting corresponding remark information as obtaining design rule violation data;

when the target check item is whether the time sequence constraint is completed or not, setting corresponding remark information as an error code for acquiring the time sequence constraint;

when the target inspection item is the setup time setup inspection whether the rule is violated, the hold time hold inspection whether the rule is violated, the glitch burr inspection whether the rule is violated, the design rule DRV inspection whether the rule is violated, the clock minimum pulse width MPW inspection whether the rule is violated and the clock period inspection whether the rule is violated, setting corresponding remark information as obtaining the rule type and the rule total number;

and when the target check item is whether the power supply is short-circuited or broken, setting corresponding remark information as an acquisition error code.

Furthermore, the target inspection item and the corresponding remark information are specifically limited, so that the corresponding remark information can be quickly acquired and recorded in the follow-up check.

In one possible implementation manner, acquiring a project work path of a project file to be checked, specifically includes:

Acquiring a project file to be checked, and acquiring a project work path based on the project file to be checked;

the project file to be checked comprises a circuit design output file, a process library file, a first electronic design automation file corresponding to the circuit design output file and a second electronic design automation file corresponding to the process library file;

the project work paths comprise a first project work path corresponding to the circuit design output file, a second project work path corresponding to the process library file, a third project work path corresponding to the first electronic design automation file and a first project work path corresponding to the second electronic design automation file.

Furthermore, as one or more project files to be checked possibly exist, by acquiring project working paths corresponding to different project files to be checked, when related data are acquired in the follow-up check, the corresponding data content can be quickly found out based on the corresponding project working paths, and the data acquisition efficiency is improved.

In one possible implementation manner, according to the first inspection item corresponding to the first inspection item number, first key data is extracted from the first target file data, and specifically includes:

And extracting a first keyword from the first check item according to the first check item corresponding to the first check item number, and extracting first key data corresponding to the first keyword from the first target file data based on the first keyword.

Furthermore, since the project file data may contain a large amount of related data, when signing and checking is performed on a certain checking item, only a certain part of content in the project file data is required to be acquired, so that file data corresponding to the checking item can be quickly found out from the target file data based on the first keyword of the first checking item, and quick extraction of the key data of the checking item can be improved.

The invention provides a signing and checking device, which comprises: the system comprises a signing checking template setting module, a data acquisition module, a signing checking module and a signing checking result file generating module;

the signing and checking template setting module is used for setting a signing and checking template, wherein the signing and checking template comprises a checking item number, a checking item category and a checking item;

the data acquisition module is used for acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category corresponding to a first check item number in the check template and the item working path;

The signing and checking module is used for extracting first key data from the first target file data according to a first checking item corresponding to the first checking item number, signing and checking the first key data to obtain a first checking result corresponding to the first checking item;

the signing and checking result file generating module is used for integrating all the checking results into the signing and checking template after determining to obtain the checking results corresponding to all the checking items in the signing and checking template, so as to obtain the signing and checking result file.

The invention also provides a signing and checking device, which further comprises: a signing and checking result visualization module;

the signing and checking result visualization module is used for sending the signing and checking result file to a webpage display system so that the webpage display system can conduct visualization display on the signing and checking result.

In a possible implementation manner, the signing inspection template setting module is configured to set a signing inspection template, where the signing inspection template includes an inspection item number, an inspection item category, and an inspection item, and specifically includes;

In one possible implementation manner, the signing and checking module is configured to perform signing and checking on the first key data, and further configured to, after obtaining a first checking result corresponding to the first checking item;

In one possible implementation manner, the signing and checking module is configured to set a target checking item, and set remark information for the target checking item, and specifically includes;

In one possible implementation manner, the data obtaining module is configured to obtain a project work path of a project file to be checked, and specifically includes:

In a possible implementation manner, the signing and checking module is configured to extract, according to a first check item corresponding to the first check item number, first key data from the first target file data, where the first key data specifically includes:

The invention also provides a terminal device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the signing checking method according to any one of the above when executing the computer program.

The invention also provides a computer readable storage medium, which comprises a stored computer program, wherein the device where the computer readable storage medium is located is controlled to execute the signing checking method according to any one of the above when the computer program runs.

Compared with the prior art, the signing and checking method, the device, the equipment and the storage medium have the following beneficial effects:

setting a checking template, wherein the checking template comprises a checking item number, a checking item category and a checking item; acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category and the item working path corresponding to a first check item number in a check template; extracting first key data from the first target file data according to a first inspection item corresponding to the first inspection item number, and checking the first key data to obtain a first inspection result corresponding to the first inspection item; after determining to obtain the inspection results corresponding to all the inspection items in the checking and checking template, substituting all the inspection results into the checking and checking template to obtain a checking and checking result file; compared with the prior art, the technical scheme of the invention makes automatic judgment on the correctness of the task to be checked based on each check item in the set checking template, and obtains the checking result of physical realization through automatic script analysis, thereby improving the checking efficiency.

Drawings

FIG. 1 is a schematic flow chart of an embodiment of a method for checking a signature provided by the present invention;

FIG. 2 is a schematic diagram of an embodiment of a signing and checking device according to the present invention;

FIG. 3 is a schematic diagram of a joon file of a signing inspection template according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a conditional judgment rule for a set check-up according to one embodiment of the present invention;

FIG. 5 is an explanatory diagram of English abbreviations for one embodiment provided by the present invention;

FIG. 6 is a schematic diagram of a signature check result according to an embodiment of the present invention;

fig. 7 is a schematic flow chart of a signature checking method according to the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a signature checking method provided by the present invention, as shown in fig. 1, the method includes steps 101 to 104, specifically as follows:

Step 101: setting a signing and checking template, wherein the signing and checking template comprises a checking item number, a checking item category and a checking item.

In one embodiment, the check item categories of the signing check template include an input category, a physical verification category, a time sequence category and a voltage category.

In an embodiment, when the inspection item category is the input category, the inspection item corresponding to the input category is set to include whether the data is complete and whether the version is consistent.

In an embodiment, when the inspection item class is the physical verification class, setting the inspection item corresponding to the physical verification class includes checking whether the design rule in the physical layout is violated or not and checking whether the electrical rule in the physical layout is violated or not.

Preferably, when the category of the inspection item is the physical verification category, setting whether the inspection item corresponding to the physical verification category is consistent with a physical layout connection line and a logic circuit or not.

In an embodiment, when the class of the inspection items is the timing class, setting the inspection items corresponding to the timing class includes whether timing constraint is completed, whether a setup time setup inspection is violated, whether a hold time hold inspection is violated, whether a glitch burr inspection is violated, whether a design rule DRV inspection is violated, whether a clock minimum pulse width MPW inspection is violated, and whether a clock period inspection is violated.

In an embodiment, when the class of the check item is the voltage class, setting the check item corresponding to the voltage class includes whether the power supply has a short circuit or an open circuit, whether the voltage is lower than a threshold, whether the current exceeds a threshold, and whether the equivalent resistance of the power grid exceeds a threshold.

In an embodiment, after the setting of the inspection items is completed, a corresponding inspection item number is set for each inspection item, where the inspection item number and each inspection item are in a one-to-one correspondence.

Preferably, 15 inspection items and corresponding inspection results are set in the signing inspection template, wherein correct or incorrect inspection results are set for all inspection items in a unified way. In one embodiment, after the signing and checking template is set, a json file of the signing and checking template is generated based on the set signing and checking template; as shown in fig. 3, fig. 3 is a schematic diagram of a signature check template json file.

In an embodiment, for a signature and check template json file, the signature and check template json file specifically comprises two parts of contents, including a check item classification description part and a check item detailed content part, wherein the check item classification description part comprises a check item category and a check item number corresponding to each check item category, and the check item detailed content part comprises a check item number and a check item corresponding to the check item number.

Preferably, the detailed content part of the inspection item further comprises an inspection result, an inspector and inspection details corresponding to each inspection number; wherein the values of the inspection result, the inspector, and the inspection details are empty.

Step 102: acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category corresponding to a first check item number in the check template and the item working path.

In an embodiment, a project file to be checked is obtained, where the project file to be checked includes a circuit design output file, a process library file, a first electronic design automation file corresponding to the circuit design output file, and a second electronic design automation file corresponding to the process library file.

Preferably, for the circuit design output file, the circuit design output file includes a logic Netlist, a circuit layout GDS, a timing constraint SDC, a parasitic parameter SPEF, and the like.

Preferably, for the process library file, the process library file includes process parameters, physical characteristics, standard cell library used for design, and the like.

Preferably, for electronic design automation files, the electronic design automation files are EDA logs and reports generated during design iteration cycles, including synthesis, place and route, clock tree, physical verification, static timing analysis, voltage and electromigration performance analysis, and the like.

In one embodiment, a project work path is obtained based on the project file to be checked; the project work paths comprise a first project work path corresponding to the circuit design output file, a second project work path corresponding to the process library file, a third project work path corresponding to the first electronic design automation file and a first project work path corresponding to the second electronic design automation file.

In an embodiment, based on a first inspection item category and an item working path corresponding to a first inspection item number in the signing inspection template, first target file data in the item file to be signed is obtained.

Specifically, based on a first inspection item category corresponding to a first inspection item number in the signing inspection template, first target file data in the project file to be signed is determined, a target project working path corresponding to the first target file data is obtained, and based on the target project working path, the first target file data in the project file to be signed is obtained.

Specifically, when the first inspection item category is determined to be an input category, determining that first target file data in the item file to be checked is a circuit design output file and a process library file, acquiring a first item working path corresponding to the circuit design output file, and acquiring a second item working path corresponding to the process library file, so that the circuit design output file in the item file to be checked is acquired based on the first item working path, and the process library file in the item file to be checked is acquired based on the second item working path.

Specifically, when the inspection item category is confirmed to be a physical verification category, determining that first target file data in the item file to be checked is a first electronic design automation file and a second electronic design automation file, acquiring a third item working path corresponding to the first electronic design automation file, and acquiring a fourth item working path corresponding to the second electronic design automation file, so that the first electronic design automation file in the item file to be checked is acquired based on the third item working path, and the second electronic design automation file in the item file to be checked is acquired based on the fourth item working path.

Specifically, when the inspection item category is confirmed to be a time sequence category, determining that first target file data in the item file to be checked is a first electronic design automation file and a second electronic design automation file, acquiring a third item working path corresponding to the first electronic design automation file, and acquiring a fourth item working path corresponding to the second electronic design automation file, so that the first electronic design automation file in the item file to be checked is acquired based on the third item working path, and the second electronic design automation file in the item file to be checked is acquired based on the fourth item working path.

Specifically, when the inspection item category is confirmed to be a voltage category, determining that first target file data in the item file to be checked is a first electronic design automation file and a second electronic design automation file, acquiring a third item working path corresponding to the first electronic design automation file, and acquiring a fourth item working path corresponding to the second electronic design automation file, so that the first electronic design automation file in the item file to be checked is acquired based on the third item working path, and the second electronic design automation file in the item file to be checked is acquired based on the fourth item working path.

In an embodiment, in the signing and checking template, signing and checking are sequentially performed on each checking item based on the sequence of the checking item numbers, and the first checking item number is the checking item number corresponding to the current processing sequence.

Step 103: and extracting first key data from the first target file data according to the first inspection item corresponding to the first inspection item number, and checking the first key data to obtain a first inspection result corresponding to the first inspection item.

In an embodiment, according to a first inspection item corresponding to a first inspection item number, a first keyword is extracted from the first inspection item, and based on the first keyword, first key data corresponding to the first keyword is extracted from the first target file data.

Preferably, according to the first inspection item, a first noun in the first inspection item is selected, the first noun is used as a first keyword, and first key data corresponding to the first keyword is extracted from the first target file data; if the first check item is that whether the equivalent resistance of the power grid exceeds the threshold value, selecting whether the equivalent resistance of the power grid exceeds the equivalent resistance of the power grid in the threshold value, and taking the equivalent resistance of the power grid as a first keyword.

Preferably, the first keyword may be the entire content of the first inspection item.

In an embodiment, when the first key data is checked to obtain a first check result corresponding to the first check item, a corresponding condition judgment rule is mainly set for the first check item, and based on the condition judgment rule, the first key data is checked to obtain the first check result corresponding to the first check item; as shown in fig. 4, fig. 4 is a schematic diagram of a condition judgment rule of the set signature check.

Meanwhile, as shown in fig. 5, fig. 5 is an english abbreviation interpretation schematic diagram for explaining english abbreviations appearing in the condition judgment rules of the check-up set in fig. 4.

In an embodiment, when the first check item is complete, the integrity of the output file of the circuit design is automatically checked and identified, the module that fails the integrity check is automatically determined to be incorrect, the first check result is output to be incorrect, the file that fails the integrity check is automatically determined to be correct, the first check result is output to be correct, and the reliability of data delivery is ensured.

Specifically, when the first check item is complete, judging whether the circuit design output file is complete, if yes, outputting a first check result to be correct, otherwise, outputting the first check result to be incorrect.

In an embodiment, when the first inspection item is that the versions are consistent, the corresponding version key information of the output file and the process file of the circuit design is read to obtain the corresponding file version information, and for the file with inconsistent version, the first inspection result is judged to be incorrect, the file with consistent version is judged to be correct, and the first inspection result is output to be correct; this is because there are irregular updates to the process and IP library related files, EDA software versions, in addition to the iterative updates of the design itself, resulting in multi-version file data during the design cycle.

Specifically, when the first check item is that the versions are consistent, judging whether the versions corresponding to the circuit design output file and the process file are consistent, if so, outputting a first check result to be correct, otherwise, outputting the first check result to be incorrect.

In an embodiment, when the first inspection item is a design rule in the physical layout to inspect whether the rule is violated, the first electronic design automation file and the second electronic design automation file are mainly inspected to inspect the design rule in the physical layout, specifically inspect the content related to the manufacturing process, such as line spacing, line width, line length, through hole size, metal density, antenna effect, and the like, in the physical layout to determine whether the rule is violated, and count the inspection results of the design rule in each physical layout in the physical verification, if the rule is violated, the first inspection result is marked as incorrect.

In an embodiment, when the first inspection item is an electrical rule inspection in the physical layout, firstly inspecting whether the layout principle in the first electronic design automation file and the layout principle in the second electronic design automation file are consistent, judging whether the electrical rule inspection in the physical layout is illegal or not under the condition that the layout principle consistency inspection result is consistent, and outputting a first inspection result to be correct under the condition that the layout principle consistency inspection result is consistent and the electrical rule inspection in the physical layout is not illegal, otherwise, outputting the first inspection result to be incorrect.

In one embodiment, when the inspection item class is a time sequence analysis class, static time sequence analysis is mainly performed on the first electronic design automation file and the second electronic design automation file; the static time sequence analysis adopts an exhaustive analysis method to calculate the propagation delay on all time sequence paths of the whole circuit, checks whether the establishment and maintenance time of signals meets the designed frequency requirement, and finds out the error against the time sequence constraint through the analysis of the maximum path delay and the minimum path delay.

Because the calculation amount of the task is huge, in order to enable the result to be closer to the environment condition of the actual chip operation, a plurality of operation modes, environments, processes, voltages, temperatures and other parameter models are required to be combined and set, the parameter combination is called PVT for short, and different unit delays can be obtained under different PVT conditions, so that the integrity of PVT configuration, especially errors related to library file reading, needs to be confirmed by analyzing key logs of an EDA tool, and the complete execution of the task is ensured to be finished.

In addition, the timing constraint file SDC as a design input preparation file directly influences the rationality of timing analysis, and whether a timing path unconstrained by the SDC exists in the design needs to be analyzed; the SPEF is used as a standard media file for describing parasitic parameters of interconnection lines in a design circuit, and directly influences the delay calculation precision on the interconnection lines, so that whether all interconnection lines are marked with SPEF capacitance resistance values, whether incomplete short-circuit lines exist during SPEF extraction or not, and the like are required to be checked, after the condition that the detection is correct is ensured, various time sequence check reports generated by a static time sequence analysis task are analyzed, including a time setup check, a hold time hold check, a glitch burr check, a clock minimum pulse width MPW, a clock period check and a design rule DRV check, and the maximum conversion time, the maximum capacitance value or the maximum fan-out threshold value of the violating the design rule exceeds a model range when a unit delay lookup table of a library file is read, so that the delay calculation precision is reduced.

Specifically, when the first check item is whether the time sequence constraint is completed, judging whether the time sequence constraint task is completed, judging whether the log has errors, judging whether the SPEF reverse mark is complete, judging whether the time sequence constraint is complete, outputting a first check result to be correct under the condition that the time sequence constraint task is completed, the log has no errors, the SPEF reverse mark is complete and the time sequence constraint is complete, otherwise, outputting the first check result to be incorrect.

Specifically, when the first check item is the setup time setup check whether the rule is violated, judging whether the setup time setup check is violated, if yes, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

Specifically, when the first check item is the hold time hold check whether the rule is violated, judging whether the hold time hold check is violated, if yes, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

Specifically, when the first check item is the glitch burr check whether the rule is violated, judging whether the glitch burr check is violated, if so, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

Specifically, when the first inspection item is the design rule DRV to inspect whether the rule is illegal, judging whether the design rule DRV to inspect whether the rule is illegal, if so, outputting a first inspection result as incorrect, otherwise, outputting the first inspection result as correct.

Specifically, when the first check item is the minimum pulse width MPW of the clock to check whether the rule is violated, judging whether the minimum pulse width MPW of the clock checks whether the rule is violated, if so, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

Specifically, when the first check item is the clock cycle check whether the rule is violated, judging whether the clock cycle check is violated, if so, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

In one embodiment, when the inspection item class is a voltage class, the voltage drop IR and electromigration characteristic analysis is performed on the first electronic design automation file and the second electronic design automation file; voltage drop IR and electromigration characterization: firstly, analyzing a key log of an EDA tool and a parasitic parameter SPEF to ensure the rationality of subsequent analysis; in addition, whether the power grid is complete or not needs to be verified, and short circuit or open circuit does not exist; the effective voltage value in the IR inspection item under the analysis static and dynamic analysis modes is not lower than the specified threshold voltage, and the equivalent resistance is not more than the threshold range, so that the inspection item can be judged to be correct; the maximum current threshold value which can be carried by metal wires with different metal layers and different lengths and widths is usually defined in a process file library, and if the current on a power grid and a signal metal wire in a circuit design is all smaller than the threshold value, the EM electromigration inspection can be judged to be correct; if the current is greater than the threshold, then the analysis determines that such a check is incorrect.

Specifically, when the first check item is that whether the power supply has a short circuit or a broken circuit, judging whether an analysis task is finished, judging whether a log has an error, judging whether the SPEF reverse mark is complete, judging whether the power supply has the short circuit or the broken circuit, outputting a first check result to be correct under the condition that the analysis task is finished, the log has no error, the SPEF reverse mark is complete and the power supply has no short circuit or broken circuit is determined, otherwise, outputting the first check result to be incorrect.

Specifically, when the first checking item is that whether the voltage is lower than the threshold value, judging whether the static voltage is lower than the static threshold value, and judging whether the dynamic voltage is lower than the dynamic threshold value under the condition that the static voltage is not lower than the static threshold value, if so, outputting a first checking result as incorrect, otherwise, outputting the first checking result as correct.

Specifically, when the first check item is that whether the current exceeds the threshold value, whether the power grid current exceeds the threshold value is judged first, and when the power grid current does not exceed the threshold value, whether the signal line current exceeds the threshold value is judged, if yes, a first check result is output as incorrect, and if not, the first check result is output as correct.

Specifically, when the first check item is whether the equivalent resistance of the power grid exceeds the threshold value, judging whether the equivalent resistance of the power grid exceeds the threshold value, if so, outputting a first check result as incorrect, otherwise, outputting the first check result as correct.

Step 104: after determining to obtain the inspection results corresponding to all the inspection items in the signing inspection template, substituting all the inspection results into the signing inspection template to obtain a signing inspection result file.

In one embodiment, a target inspection item is also set, and remark information is set for the target inspection item.

Specifically, the target inspection item includes whether a design rule in the physical layout is in violation, whether the timing constraint is completed, whether the setup time setup is in violation, whether the hold time hold is in violation, whether the glitch burr is in violation, whether the design rule DRV is in violation, whether the clock minimum pulse width MPW is in violation, whether the clock period is in violation, and whether the power supply is shorted or opened.

Specifically, when the target inspection item inspects whether the design rule in the physical layout is violated, corresponding remark information is set to acquire the design rule violation data.

Specifically, when the target check item is whether the time sequence constraint is completed, setting corresponding remark information as an acquisition time sequence constraint error code.

Specifically, when the target inspection item is the setup time setup inspection whether the rule is violated, the hold time hold inspection whether the rule is violated, the glitch burr inspection whether the rule is violated, the design rule DRV inspection whether the rule is violated, the clock minimum pulse width MPW inspection whether the rule is violated, and the clock period inspection whether the rule is violated, setting corresponding remark information to obtain the type of the rule is violated and the total number of the rule is violated.

Specifically, when the target inspection item is whether the power supply has a short circuit or an open circuit, setting corresponding remark information as an acquisition error code.

In one embodiment, when the first checking result is determined to be incorrect, judging whether the first checking item is the target checking item or not; when the first examination object is determined to be the object examination item, first remark data are acquired based on the remark information, and the first remark data are recorded in the first examination result.

In an embodiment, by setting the inspection item with more complex judgment as the target inspection item, remark information is set for the target inspection item, when the condition that the inspection item is complex in judgment is encountered, particularly, the judgment of incorrect state is particularly carried out, for example, whether the design rule DRC violations exist is checked in physical verification, the types of the inspections are various, the incorrect state cannot indicate the specific types of the violations, and therefore remark information is added in the target inspection item, and the types and the quantity of the violations can be conveniently searched based on the remark information.

In an embodiment, after obtaining the inspection results corresponding to all the inspection items, substituting the inspection results into the corresponding positions of the inspection item numbers in the signing inspection template based on the inspection item numbers corresponding to each inspection item to obtain signing inspection results, and converting the signing inspection results into json files to obtain signing inspection result files; as shown in fig. 6, fig. 6 is a schematic diagram of the check result.

In an embodiment, the signing inspection result file is sent to a web page display system, so that the web page display system performs visual display on the signing inspection result, as shown in fig. 7, and fig. 7 is a schematic flow diagram of a signing inspection method.

In summary, according to the signing and checking method provided by the embodiment, based on setting the signing and checking template, the correctness of the task to be checked is automatically judged based on each checking item in the signing and checking template, and the signing and checking result of physical realization is obtained through analysis of an automatic script, so that signing and checking efficiency is improved, and a designer can be assisted to check various signing and checking indexes; and the analysis result is pushed to the webpage display system, so that the result data is unified, standard and visual, and meanwhile, the state records of each inspection can be tracked, thereby facilitating the annotation modification of designers.

Embodiment 2, referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a signing and checking device provided by the present invention, and as shown in fig. 2, the device includes a signing and checking template setting module 201, a data obtaining module 202, a signing and checking module 203, and a signing and checking result file generating module 204, which specifically includes the following steps:

the signing inspection template setting module 201 is configured to set a signing inspection template, where the signing inspection template includes an inspection item number, an inspection item category, and an inspection item.

The data obtaining module 202 is configured to obtain an item working path of an item file to be checked, and obtain first target file data in the item file to be checked based on a first check item category corresponding to a first check item number in the check template and the item working path.

The signing and checking module 203 is configured to extract first key data from the first target file data according to a first check item corresponding to the first check item number, and sign and check the first key data to obtain a first check result corresponding to the first check item.

The check result file generating module 204 is configured to integrate all the check results into the check template after determining to obtain the check results corresponding to all the check items in the check template, so as to obtain a check result file.

The embodiment also provides a signing and checking device, which further comprises: and a checking result visualization module.

In an embodiment, the signing inspection result visualization module is configured to send the signing inspection result file to a web page display system, so that the web page display system performs visual display on the signing inspection result.

In an embodiment, the signing inspection template setting module 201 is configured to set a signing inspection template, where the signing inspection template includes an inspection item number, an inspection item category, and an inspection item, and specifically includes; setting inspection item categories of the signing inspection template, wherein the inspection item categories comprise an input category, a physical verification category, a time sequence category and a voltage category; when the inspection item category is the input category, setting whether the inspection item corresponding to the input category comprises data which is complete and whether the version is consistent or not; when the inspection item category is the physical verification category, setting the inspection item corresponding to the physical verification category to comprise whether the design rule in the physical layout is checked against the rule and whether the electric rule in the physical layout is checked against the rule; when the inspection item class is the time sequence class, setting the inspection item corresponding to the time sequence class to comprise whether time sequence constraint is completed, establishing a time setup inspection, whether a hold time hold inspection, a glitch burr inspection, a design rule DRV inspection, a clock minimum pulse width MPW inspection and a clock period inspection are carried out; when the class of the checking items is the voltage class, setting the checking items corresponding to the voltage class to comprise whether a power supply has short circuit or open circuit, whether the voltage is lower than a threshold value, whether the current exceeds the threshold value and whether the equivalent resistance of a power grid exceeds the threshold value; after the setting of the inspection items is completed, a corresponding inspection item number is set for each inspection item.

In an embodiment, the signing and checking module 203 is configured to sign and check the first key data to obtain a first check result corresponding to the first check item, and then further configured to; setting a target inspection item, and setting remark information for the target inspection item; judging whether the first check item is the target check item or not when the first check result is determined to be incorrect; when the first examination object is determined to be the object examination item, first remark data are acquired based on the remark information, and the first remark data are recorded in the first examination result.

In one embodiment, the signing and checking module 203 is configured to set a target checking item, and set remark information for the target checking item, and specifically includes; setting a target checking item, wherein the target checking item comprises whether a design rule check in the physical layout breaks a rule, whether the time sequence constraint is completed, whether the setup time setup check breaks a rule, whether the hold time hold check breaks a rule, whether the glitch burr check breaks a rule, whether the design rule DRV check breaks a rule, whether the clock minimum pulse width MPW check breaks a rule, whether the clock cycle check breaks a rule and whether the power supply has a short circuit or an open circuit; when the target inspection item inspects whether the design rule in the physical layout is illegal or not, setting corresponding remark information as obtaining design rule violation data; when the target check item is whether the time sequence constraint is completed or not, setting corresponding remark information as an error code for acquiring the time sequence constraint; when the target inspection item is the setup time setup inspection whether the rule is violated, the hold time hold inspection whether the rule is violated, the glitch burr inspection whether the rule is violated, the design rule DRV inspection whether the rule is violated, the clock minimum pulse width MPW inspection whether the rule is violated and the clock period inspection whether the rule is violated, setting corresponding remark information as obtaining the rule type and the rule total number; and when the target check item is whether the power supply is short-circuited or broken, setting corresponding remark information as an acquisition error code.

In one embodiment, the data obtaining module 202 is configured to obtain a project work path of a project file to be checked, and specifically includes: acquiring a project file to be checked, and acquiring a project work path based on the project file to be checked; the project file to be checked comprises a circuit design output file, a process library file, a first electronic design automation file corresponding to the circuit design output file and a second electronic design automation file corresponding to the process library file; the project work paths comprise a first project work path corresponding to the circuit design output file, a second project work path corresponding to the process library file, a third project work path corresponding to the first electronic design automation file and a first project work path corresponding to the second electronic design automation file.

In an embodiment, the signing and checking module 203 is configured to extract, according to a first check item corresponding to the first check item number, first key data from the first target file data, where the first key data specifically includes: and extracting a first keyword from the first check item according to the first check item corresponding to the first check item number, and extracting first key data corresponding to the first keyword from the first target file data based on the first keyword.

It will be clear to those skilled in the art that, for convenience and brevity of description, reference may be made to the corresponding process in the foregoing method embodiment for the specific working process of the above-described apparatus, which is not described in detail herein.

It should be noted that, the above embodiment of the signature checking apparatus is merely illustrative, where the modules described as separate components may or may not be physically separated, and components displayed as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

On the basis of the embodiment of the signing and checking method, another embodiment of the present invention provides a signing and checking terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor executes the computer program to implement the signing and checking method of any embodiment of the present invention.

Illustratively, in this embodiment the computer program may be partitioned into one or more modules, which are stored in the memory and executed by the processor to perform the present invention. The one or more modules may be a series of computer program instruction segments capable of performing a specific function for describing the execution of the computer program in the signing checking terminal device.

The signing and checking terminal equipment can be computing equipment such as a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The signing checking terminal device may include, but is not limited to, a processor, a memory.

The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is a control center of the signing and checking terminal device, and connects various parts of the whole signing and checking terminal device by using various interfaces and lines.

The memory may be used to store the computer program and/or module, and the processor may implement various functions of the signing and checking terminal device by running or executing the computer program and/or module stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data created according to the use of the cellular phone, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.

On the basis of the embodiment of the signing and checking method, another embodiment of the present invention provides a storage medium, where the storage medium includes a stored computer program, and when the computer program runs, the device where the storage medium is controlled to execute the signing and checking method according to any one of the embodiments of the present invention.

In this embodiment, the storage medium is a computer-readable storage medium, and the computer program includes computer program code, where the computer program code may be in a source code form, an object code form, an executable file, or some intermediate form, and so on. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.

In summary, the method, the device, the equipment and the storage medium for checking the signature are provided by the invention, and the signature checking template is arranged, wherein the signature checking template comprises a checking item number, a checking item category and a checking item; acquiring an item working path of an item file to be checked, and acquiring first target file data in the item file to be checked based on a first check item category and the item working path corresponding to a first check item number in a check template; extracting first key data from the first target file data according to a first inspection item corresponding to the first inspection item number, and checking the first key data to obtain a first inspection result corresponding to the first inspection item; after determining to obtain the inspection results corresponding to all the inspection items in the checking and checking template, substituting all the inspection results into the checking and checking template to obtain a checking and checking result file; compared with the prior art, the technical scheme of the invention can improve the efficiency of checking.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims

1. A method of checking a signature, comprising:

setting a signature checking template, wherein the signature checking template comprises a checking item number, a checking item category and a checking item, and the checking item category of the signature checking template comprises an input category, a physical verification category, a time sequence category and a voltage category; when the inspection item category is the input category, setting whether the inspection item corresponding to the input category comprises data which is complete and whether the version is consistent or not; when the inspection item category is the physical verification category, setting the inspection item corresponding to the physical verification category to comprise whether the design rule in the physical layout is checked against the rule and whether the electric rule in the physical layout is checked against the rule; when the inspection item class is the time sequence class, setting the inspection item corresponding to the time sequence class to comprise whether time sequence constraint is completed, establishing a time setup inspection, whether a hold time hold inspection, a glitch burr inspection, a design rule DRV inspection, a clock minimum pulse width MPW inspection and a clock period inspection are carried out; when the class of the checking items is the voltage class, setting the checking items corresponding to the voltage class to comprise whether a power supply has short circuit or open circuit, whether the voltage is lower than a threshold value, whether the current exceeds the threshold value and whether the equivalent resistance of a power grid exceeds the threshold value; after the setting of the inspection items is completed, setting corresponding inspection item numbers for each inspection item;

Acquiring a project file to be checked, and acquiring a project work path based on the project file to be checked; the project file to be checked comprises a circuit design output file, a process library file, a first electronic design automation file corresponding to the circuit design output file and a second electronic design automation file corresponding to the process library file; the project work path comprises a first project work path corresponding to the circuit design output file, a second project work path corresponding to the process library file, a third project work path corresponding to the first electronic design automation file and a fourth project work path corresponding to the second electronic design automation file, and first target file data in the project file to be checked are obtained based on a first check item category corresponding to a first check item number in the check template and the project work path;

2. The method of claim 1, further comprising, after obtaining the signing inspection result file:

3. The method for checking signature as set forth in claim 1, wherein after checking the first key data to obtain a first check result corresponding to the first check item, further comprising;

and when the first examination item is determined to be the target examination item, acquiring first remark data based on the remark information, and recording the first remark data into the first examination result.

4. A method of checking a signature as set forth in claim 3, wherein a target check item is set, and remark information is set for the target check item, specifically comprising;

5. The method of claim 1, wherein extracting first key data from the first target file data according to the first inspection item corresponding to the first inspection item number specifically comprises:

6. A signature checking apparatus, comprising: the system comprises a signing checking template setting module, a data acquisition module, a signing checking module and a signing checking result file generating module;

the signing and checking template setting module is used for setting a signing and checking template, wherein the signing and checking template comprises a checking item number, a checking item category and a checking item, and the checking item category of the signing and checking template comprises an input category, a physical verification category, a time sequence category and a voltage category; when the inspection item category is the input category, setting whether the inspection item corresponding to the input category comprises data which is complete and whether the version is consistent or not; when the inspection item category is the physical verification category, setting the inspection item corresponding to the physical verification category to comprise whether the design rule in the physical layout is checked against the rule and whether the electric rule in the physical layout is checked against the rule; when the inspection item class is the time sequence class, setting the inspection item corresponding to the time sequence class to comprise whether time sequence constraint is completed, establishing a time setup inspection, whether a hold time hold inspection, a glitch burr inspection, a design rule DRV inspection, a clock minimum pulse width MPW inspection and a clock period inspection are carried out; when the class of the checking items is the voltage class, setting the checking items corresponding to the voltage class to comprise whether a power supply has short circuit or open circuit, whether the voltage is lower than a threshold value, whether the current exceeds the threshold value and whether the equivalent resistance of a power grid exceeds the threshold value; after the setting of the inspection items is completed, setting corresponding inspection item numbers for each inspection item;

The data acquisition module is used for acquiring a project file to be checked and acquiring a project work path based on the project file to be checked; the project file to be checked comprises a circuit design output file, a process library file, a first electronic design automation file corresponding to the circuit design output file and a second electronic design automation file corresponding to the process library file; the project work path comprises a first project work path corresponding to the circuit design output file, a second project work path corresponding to the process library file, a third project work path corresponding to the first electronic design automation file and a fourth project work path corresponding to the second electronic design automation file, and first target file data in the project file to be checked are obtained based on a first check item category corresponding to a first check item number in the check template and the project work path;

7. A terminal device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the signing checking method according to any one of claims 1 to 5 when executing the computer program.

8. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored computer program, wherein the computer program, when run, controls a device in which the computer readable storage medium is located to perform the signing method according to any one of claims 1 to 5.