CN112765914A - Method and system for automatically selecting design layer under layout design window - Google Patents
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Abstract
The invention provides a method and a system for automatically selecting a design layer under a layout design window, which comprises the following steps: opening a layout under a layout design window, wherein the layout comprises a plurality of design layers, and selecting one design layer in the layout; reading the layer information of the selected design layer, and searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database; and setting the design layer selected under the layout design window as an operable design layer by using the found design layer. The invention improves the working efficiency of users and is convenient and fast to operate.
Description
Technical Field
The invention relates to the technical field of integrated circuit design, in particular to a method and a system for automatically selecting a design layer under a layout design window.
Background
The Cadence software system is an integrated circuit design software system widely adopted at present, provides rich SKILL language interfaces for users, and can be controlled by the users by using SKILL language to realize various functions, such as customizing Cadence software setting, performing Cadence batch operation, and even developing Cadence related plug-in or tool software according to requirements.
When a user designs a chip layout or a circuit layout, the layout design is usually carried out by adopting Cadence software, when an engineer carries out layout design editing, different design layers are often required to be edited, a design layer selection bar at one side of a layout design window is required to be opened, a corresponding design layer is selected in the design layer selection bar, and then the design layer is edited, however, the selection of the design layer in the design layer selection bar and the switching of the design layer back and forth for many times are complicated, the steps of selecting and switching the design layer back and forth can influence the working efficiency of the user, and in order to improve the working efficiency of the user, the invention provides a method for automatically selecting the design layer under the layout design window.
Disclosure of Invention
The invention aims to provide a method and a system for automatically selecting a design layer under a layout design window so as to improve the working efficiency of a user and be convenient and fast to operate.
In order to achieve the above object, the present invention provides a method for automatically selecting a design layer under a layout design window, comprising:
opening a layout under a layout design window, wherein the layout comprises a plurality of design layers, and selecting one design layer in the layout;
reading the layer information of the selected design layer, and searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database;
and setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
Optionally, under the layout design window, the display colors of different design layers are different.
Optionally, the layout structures corresponding to different design layers are different.
Optionally, a design layer in the layout is selected according to the display color of the design layer or according to the layout structure corresponding to the design layer.
Optionally, an execution instruction is input through a shortcut key, and the method is executed in the layout design window in response to the execution instruction.
Optionally, the shortcut keys are set in a user-defined manner, and the number of the shortcut keys is a plurality.
Optionally, the layer information includes a name and a type of the design layer.
Optionally, the step of searching and comparing in the database by using the layer information of the selected design layer includes:
searching the layer information of the design layer in the database, comparing the searched layer information of the design layer in the database with the selected layer information of the design layer one by one until finding the design layer which is the same as the selected layer information of the design layer, and finishing the comparison.
Optionally, the layout design window is a design window of integrated circuit layout design software.
A system for automatically selecting a design level under a layout design window, comprising:
the starting module is used for opening a layout under a layout design window, and the layout comprises a plurality of design layers;
the selection module is used for selecting a design layer in the layout;
the reading module is used for reading the layer information of the selected design layer;
the searching and comparing module is used for searching and comparing in a database by utilizing the layer information of the selected design layer so as to find the design layer which is the same as the layer information of the selected design layer in the database, and the layer information of all the design layers is stored in the database;
and the setting module is used for setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
An electronic device, the electronic device comprising:
one or more actuators; and the number of the first and second groups,
a memory for storing one or more programs; and the number of the first and second groups,
when the one or more programs are executed by the one or more executors, the one or more executors are enabled to implement the method for automatically selecting the design layer under the layout design window as described in any one of the above.
A computer-readable storage medium, on which a computer program is stored which, when executed by an executor, implements a method of automatically selecting a design layer under a layout design window as described in any one of the above.
In the method for automatically selecting the design layer under the layout design window, a layout is opened under the layout design window, the layout comprises a plurality of design layers, and one design layer in the layout is selected; reading the layer information of the selected design layer, searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database; and setting the design layer selected under the layout design window as an operable design layer by using the found design layer. According to the invention, the design layer selection bar does not need to be switched back and forth, the corresponding design layer is selected from the design layer selection bar, only one design layer in the layout is selected under the layout design window, and after reading and comparison, the selected design layer is automatically set as the operable design layer, so that the design operation of the design layer can be carried out, therefore, the working efficiency of a user is improved, and the operation is convenient.
In the system for automatically selecting the design layer under the layout design window, provided by the invention, after a layout is opened through the opening module, the selection module selects a design layer in the layout, then the reading module reads the layer information of the selected design layer, the searching and comparing module searches and compares the database by using the layer information of the selected design layer so as to find the design layer which is the same as the layer information of the selected design layer in the database, and finally the setting module sets the selected design layer under the layout design window as the operable design layer by using the found design layer without switching the selection bar of the design layer back and forth, so that the design layer can be designed and operated by automatically setting the selected design layer as the operable design layer, the working efficiency of a user is improved, and the operation is convenient.
Drawings
Fig. 1 is a flowchart of a method for automatically selecting a design layer under a layout design window according to an embodiment of the present invention;
fig. 2 is a block diagram of a structure of a system for automatically selecting a design layer under a layout design window according to an embodiment of the present invention;
wherein the reference numerals are:
1-opening the module; 2-a selection module; 3-a reading module; 4-search comparison module; 5-setting the module.
Detailed Description
The following describes in more detail embodiments of the present invention with reference to the schematic drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Fig. 1 is a flowchart of a method for automatically selecting a design layer under a layout design window according to this embodiment. The embodiment provides a method for automatically selecting a design layer under a layout design window to improve the working efficiency of a user, and the operation is convenient, referring to fig. 1, including:
step S1: opening a layout under a layout design window, wherein the layout comprises a plurality of design layers, and selecting one design layer in the layout;
step S2: reading the layer information of the selected design layer, searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database;
step S3: and setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
The method for automatically selecting a design layer under a layout design window provided in this embodiment is described in more detail below.
Step S1 is executed: and opening a layout under the layout design window, wherein the layout comprises a plurality of design layers, and selecting one design layer in the layout.
Specifically, a layout is opened under a layout Design window, in this embodiment, the layout Design window is a Design window of integrated circuit layout Design software, the layout is opened by using the integrated circuit layout Design software, the layout may be generated under a Cadence software system and opened by Cadence software, but is not limited thereto, and may also be generated and opened under other eda (electronic Design automation) integrated circuit Design software. The layout may be a chip design layout or a circuit design layout, and generally the layout includes a plurality of design layers, such as via layers, metal layers, and interconnect layers, where each design layer has a different role. During layout design, different design layers need to be switched back and forth so as to realize design operation on the different design layers. After the layout is opened, all design layers are displayed under a layout design window, the display colors of different design layers are different, and the layout structures corresponding to different design layers are different.
After the layout is opened, an execution instruction is input through a shortcut key, and the method is executed under a layout design window in response to the execution instruction. And under the layout design window, after an execution instruction is input by using a shortcut key, selecting a design layer in the layout according to the display color of the design layer or the layout structure corresponding to the design layer, specifically, clicking to select the design layer by a mouse by a user, and selecting a design layer in the layout by the user according to the display color of the design layer or the layout structure corresponding to the design layer. In this implementation, the number of the shortcut keys is set by a user, and the number of the shortcut keys is several, such as 1 or 2.
Step S2 is executed: reading the layer information of the selected design layer, searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database.
Specifically, after a user selects a design layer in the layout, the layer information of the selected design layer is automatically read, and the layer information includes the name and the type of the design layer. In this embodiment, the Cadence software is used to open the layout, but the Cadence software is not limited to this software, and a general software system has its own database and stores various data information. The Cadence software system is provided with a database, a plurality of data information in the Cadence software system is stored in the database, and layer information of all design layers is also stored in the database.
Searching and finding the layer information of the design layer in the database, comparing the layer information of the design layer in the database with the layer information of the selected design layer one by one to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the same layer information indicates that the names and the types of the layers are the same, and finishing the comparison after finding the design layer which is the same as the layer information of the selected design layer in the database.
Further, the ideal selected by the user through mouse click should be the design layer, but the layout also contains a plurality of data packets, if the selected data packet is not the design layer, the comparison of layer information between the design layers cannot be performed, and the automatic setting of the design layer cannot be realized. In order to give a prompt to a user, before comparing layer information of a selected design layer with layer information of the design layer in a database one by one, performing type judgment once, judging the type of the selected information stored in the database, judging whether the selected type is a data packet or the design layer according to the information type, outputting information of the data packet if the selected type is the data packet, and adding an error prompt, for example, when the design layer is not selected, setting a prompt, if characters such as the design layer is not selected, and when the design layer needs to be reselected, calling and selecting the design layer through a shortcut key; and if the selected type is the design layer, comparing the layer information of the selected design layer with the layer information of the design layer in the database one by one so as to find the design layer which is the same as the layer information of the selected design layer in the database.
Step S3 is executed: and setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
Specifically, after the design layer with the same layer information as that of the selected design layer is found in the database, the design layer selected under the layout design window is set as the operable design layer by using the found design layer, and a user can perform design operation on the selected design layer. According to the method provided by the embodiment, the design layer selection bar does not need to be switched back and forth, the corresponding design layer is selected from the design layer selection bar, only one design layer in the layout is selected under the layout design window, and after reading and comparison are carried out, the selected design layer is automatically set as the operable design layer, so that the design operation of the design layer can be carried out, the working efficiency of a user is improved, and the operation is convenient and fast.
The method for automatically selecting the design layer under the layout design window provided by this embodiment may be implemented by using SKILL language programming, but is not limited thereto, and other language programming designs such as TCL language may also be used, as long as the corresponding EDA integrated circuit design software can support operation. After the programming by adopting the corresponding language is completed, the code file is stored and placed under the path of the integrated circuit layout design software, and then the integrated circuit layout design software is started, the code is effective, the code can be called by the set shortcut key, the shortcut key is used as an execution instruction, and after the execution instruction is input by the shortcut key, the method provided by the embodiment is executed under the layout design window in response to the execution instruction.
Specific example codes of the method for automatically selecting the design layer under the layout design window provided by the embodiment are as follows:
line 1 code represents: a shortcut key number 0 is defined, in this embodiment, taking the shortcut key number 0 as an example, when the shortcut key number 0 is pressed, the code is executed.
Line/2 and line/3 code represent: and defining a function, customizing the name of the function, and reading the layer information of the selected design layer.
Line 6 and line 7 code represent: the selected information type is a data packet (data module), i.e., called "inst", and outputs information of the data packet.
Line 8 code represents: the selected information type is a design layer, i.e., the data type of the selected design layer is a rectangle ("rect").
Line/9 code represents: in this example, taking 3 layers as an example, let 3 layers be M1, M2, and M3, respectively, and let draw be the selected design layer; and searching the database to find the layer information of the M1 design layer, and comparing the layer information of the M1 design layer with the layer information of the drawing design layer to judge whether the drawing design layer is the M1 design layer.
Line 10 code represents: if the drawing design level is the M1 design level, the M1 design level is automatically set as the operable design level under the layout design window.
Line 11 code represents: if the drawing design layer is not the M1 design layer, searching the database to find the layer information of the M2 design layer, and comparing the layer information of the M2 design layer with the layer information of the drawing design layer to judge whether the drawing design layer is the M2 design layer.
Line/12 code represents: if the drawing design level is the M2 design level, the M2 design level is automatically set as the operable design level under the layout design window.
Line 13 code represents: and if the drawing design layer is not the M2 design layer, searching the database to find the layer information of the M3 design layer, and comparing the layer information of the M3 design layer with the layer information of the drawing design layer.
Line 14 code represents: in this embodiment, taking 3 layers of design layers as an example, since it is determined that the selected design layer is selected in the foregoing, it is described that one of the 3 layers of design layers is necessarily the selected design layer, and if it is determined that the M1 design layer and the M2 design layer are not the selected design layer, it is inevitable that the M3 design layer is the selected design layer, and the M3 design layer is automatically set as the operable design layer under the layout design window.
Fig. 2 is a block diagram of a system for automatically selecting a design layer under a layout design window according to this embodiment, and this embodiment further provides a system for automatically selecting a design layer under a layout design window, where the system includes:
the starting module 1 is used for opening a layout under a layout design window, and the layout comprises a plurality of design layers;
the selection module 2 is used for selecting a design layer in the layout;
the reading module 3 is used for reading the layer information of the selected design layer;
the searching and comparing module 4 is used for searching and comparing the layer information of the selected design layer in the database so as to find the design layer which is the same as the layer information of the selected design layer in the database, and the layer information of all the design layers is stored in the database;
and the setting module 5 is used for setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
After a layout is opened through the opening module 1, the selection module 2 selects a design layer in the layout, then the layer information of the selected design layer is read through the reading module 3, then the search and comparison module 4 searches and compares the layer information of the selected design layer in the database to find the design layer which is the same as the layer information of the selected design layer in the database, and finally the set module 5 sets the selected design layer under the layout design window as an operable design layer through the found design layer.
Further, this embodiment also provides an electronic device, configured to automatically select a design layer under a layout design window, where the electronic device includes:
one or more actuators; and the number of the first and second groups,
a memory for storing one or more programs; and the number of the first and second groups,
when one or more programs are executed by one or more actors, the one or more actors are caused to implement the method for automatically selecting design layers under a layout design window as set forth in the above embodiments.
In this embodiment, the actuator and the memory are both one, and the actuator and the memory may be connected by a bus or in other manners.
The memory, as a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the method for automatically selecting a design layer under a layout design window in an embodiment of the present invention. The executor executes various functional applications and data processing of the electronic device by running the software program, the instructions and the modules stored in the memory, namely, the method for automatically selecting the design layer under the layout design window is realized.
The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system and an application program required by at least one function; the storage data area may store data created according to use of the electronic device, and the like. In addition, the memory of the method for automatically selecting a design layer under a layout design window may include a high-speed random access memory and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some examples, the memory may further include memory remotely located from the actuator, and these remote memories may be connected to the electronic device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The electronic device proposed by the embodiment belongs to the same inventive concept as the method for automatically selecting a design layer under a layout design window proposed by the above embodiment, and technical details not described in detail in the embodiment can be referred to the above embodiment, and the embodiment has the same beneficial effects as the above embodiment.
The present embodiment also provides a computer-readable storage medium, on which a computer program is stored, which when executed by an executor, implements the method for automatically selecting a design layer under a layout design window as set forth in the above embodiments.
From the above description of the embodiments, it is clear to those skilled in the art that the present invention can be implemented by software and necessary general hardware, and based on such understanding, the technical solution of the present invention or portions thereof contributing to the prior art can be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and the like, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the method of the embodiments of the present invention.
In summary, in the method and system for automatically selecting a design layer under a layout design window provided by the present invention, a layout is opened, the layout includes a plurality of design layers, and a design layer in the layout is selected under the layout design window; reading layer information of the selected design layer, and storing the layer information of the selected design layer into a database, wherein the database comprises the layer information of all the design layers; comparing the layer information of the selected design layer with the layer information of all the design layers in the database to find the design layer which is the same as the layer information of the selected design layer in the database; the found design layer is set as an operable design layer. According to the invention, the design layer selection bar does not need to be switched back and forth, the corresponding design layer is selected from the design layer selection bar, only one design layer in the layout is selected under the layout design window, and after reading and comparison, the selected design layer is automatically set as the operable design layer, so that the design operation of the design layer can be carried out, therefore, the working efficiency of a user is improved, and the operation is convenient.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A method for automatically selecting a design layer under a layout design window is characterized by comprising the following steps:
opening a layout under a layout design window, wherein the layout comprises a plurality of design layers, and selecting one design layer in the layout;
reading the layer information of the selected design layer, and searching and comparing the layer information of the selected design layer in a database to find the design layer which is the same as the layer information of the selected design layer in the database, wherein the layer information of all the design layers is stored in the database;
and setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
2. The method of automatically selecting a design layer under a layout design window according to claim 1, wherein the display colors of different design layers are different under the layout design window.
3. The method for automatically selecting a design layer under a layout design window according to claim 1 or 2, wherein the layout structures corresponding to different design layers are different.
4. The method according to claim 3, wherein a design layer in the layout is selected according to a display color of the design layer or according to a layout structure corresponding to the design layer.
5. The method of automatically selecting a design layer under a layout design window according to claim 1, wherein an execution instruction is input through a shortcut key, and the method is executed under the layout design window in response to the execution instruction.
6. The method for automatically selecting a design layer under a layout design window according to claim 5, wherein the number of the shortcut keys is several.
7. The method for automatically selecting a design layer under a layout design window according to claim 1, wherein the layer information comprises a name and a type of the design layer.
8. The method of automatically selecting a design layer under a layout design window according to claim 1, wherein the step of searching and comparing in a database using the layer information of the selected design layer comprises:
searching the layer information of the design layer in the database, comparing the searched layer information of the design layer in the database with the selected layer information of the design layer one by one until finding the design layer which is the same as the selected layer information of the design layer, and finishing the comparison.
9. The method of automatically selecting a design layer under a layout design window according to claim 1, wherein the layout design window is a design window of integrated circuit layout design software.
10. A system for automatically selecting a design level under a layout design window, comprising:
the starting module is used for opening a layout under a layout design window, and the layout comprises a plurality of design layers;
the selection module is used for selecting a design layer in the layout;
the reading module is used for reading the layer information of the selected design layer;
the searching and comparing module is used for searching and comparing in a database by utilizing the layer information of the selected design layer so as to find the design layer which is the same as the layer information of the selected design layer in the database, and the layer information of all the design layers is stored in the database;
and the setting module is used for setting the design layer selected under the layout design window as an operable design layer by using the found design layer.
11. An electronic device, characterized in that the electronic device comprises:
one or more actuators; and the number of the first and second groups,
a memory for storing one or more programs; and the number of the first and second groups,
when executed by the one or more executors, cause the one or more executors to implement a method of automatically selecting design layers under a layout design window as claimed in any one of claims 1 to 9.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by an executor, implements a method for automatically selecting design layers under a layout design window according to any one of claims 1 to 9.
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| CN110442983A (en) * | 2019-08-09 | 2019-11-12 | 慧讯圆成电子科技(南通)有限公司 | Method, device and equipment for generating physical layout of integrated circuit system and storage medium |
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