119 results about "Software emulation" patented technology

The invention relates to a software and hardware debugging method, system and device of a generative RISC-V SoC and a storage medium, and relates to the field of RISC-V SoC. The method comprises the following steps: constructing an RISC-V SoC generator by using Chisel, wherein the RISC-V SoC generator comprises a parameterized template file; receiving user-defined parameter change information, and changing the template file according to the user-defined parameter change information to obtain an RISC-V SoC generation file; the RISC-V SoC generation file is compiled through a compiling tool, and a Verilog RTL code of the RISC-V SoC is generated; when a software simulation instruction is received, the Verilog RTL code is used for building a software simulation environment, a simulation top-layer file is created according to the software simulation environment, and software simulation is carried out; and when an FPGA prototype verification instruction is received, establishing an FPGA prototype verification environment by using the Verilog RTL code, creating a top-layer file according to the FPGA prototype verification environment, and performing FPGA prototype verification. The method has the technical effects that the defined generator framework is utilized, a user can generate the self-defined RISC-V SoC only by changing simple parameters, and the design flexibility and efficiency are improved.

The invention relates to a software and hardware co-simulation chip verification method, system and device and a storage medium, and relates to the field of software and hardware co-simulation. The method is based on a hyperSemu system comprising an hsComple and an hsRun and an FPGA (Field Programmable Gate Array) comprising a DUT (Device Under Test) and a Transactor. The method comprises the following steps of: writing an RTL (Real Time Language) design code of a chip; compiling the RTL design code by utilizing hsCompile to obtain a DB file; downloading the DB file to an FPGA (Field Programmable Gate Array) through hsRun so as to carry out hardware simulation; according to the DUT and the Transactor, a Hybrid server program and a Hybrid client program are written, and the Hybrid client program comprises a simulator program and a Linux system; and performing software simulation in the Linux system according to the DUT and the simulator program. The technical effect of the invention is that the efficiency and speed of chip simulation verification are improved.

The invention relates to the technical field of software simulation operation simulation, and discloses a software logic simulation operation control method and system in an audio processor. The control method is applied to logic simulation operation control equipment and specifically comprises the following steps that S101, an audio processor simulation operation request sent by a user side is received, a graphical user interface is generated according to the operation request, and the graphical user interface comprises a logic module list area, a design editing area, an attribute bar and an information display area; and the user side drags an icon of a logic circuit element from the logic module list area to the design editing area. Through a highly integrated graphical interface and intelligent interactive design, the design and simulation efficiency of an audio processor logic circuit is remarkably improved, and by adopting a'drag-and-generate 'module instantiation mechanism, an attribute bidirectional real-time synchronization technology and visual connection and signal type inspection, the reliability of the audio processor logic circuit is greatly improved. Therefore, the user can intuitively and quickly construct the complex circuit topology, and the professional threshold is greatly reduced.

The invention provides an automatic simulation test system and method for a semiconductor EAP system, and belongs to the field of semiconductor manufacturing, and the method specifically comprises the steps: defining a test scene through test case coding; constructing a test environment by using the equipment simulation module and the external system simulation module; driving a test process of the tested EAP program through an automatic execution engine and generating real-time output data corresponding to the tested EAP program; and comparing the real-time output data generated by the automatic execution engine with an expected result, and generating a test report. According to the processing scheme, behaviors of equipment and an external system are truly simulated in a software simulation mode, an actual production scene is accurately restored in a test link, dependence on a physical environment is reduced, and test coverage is improved; and moreover, the test scene is solidified through codes and configuration files, so that the versioning management and one-key automatic regression test of the test cases are realized, the test efficiency is remarkably improved, and the quality of secondary development is guaranteed.

The invention discloses a power consumption analysis method and device based on software simulation, equipment and a medium. The method comprises the steps of determining a target waveform file and a target statistical data set based on a target simulation file corresponding to a target hardware circuit and a preset scheduling model; analyzing and processing system scheduling information and signal updating information in each unit time interval in the target statistical data set based on the type characteristics of the target power consumption type, and determining a key information set; determining target key information and a target time range in the key information set based on the current analysis demand, and determining target power consumption data in the target waveform file based on the target key information and the target time range; and determining a target power consumption model based on the data type of the target power consumption data, and performing power consumption analysis on the target power consumption data based on the target power consumption model to obtain a target power consumption result. According to the technical scheme, the power consumption data needing to be analyzed can be positioned in advance, and the power consumption analysis efficiency is improved.

The invention provides a software simulation method, system, medium, program and device for a network card data path. The method is applied to a Linux system. The Linux system comprises a driving module and a virtual network card module; the software simulation method comprises the following steps: the driving module and the virtual network card module share a memory address so as to perform parameter configuration on data path information; and after parameter configuration of the data path information is completed, the driving module and the virtual network card module send and receive messages based on the shared memory address. According to the method, the modified hardware network card path is subjected to simulation verification by taking the Linux system on the host side as a main body in a pure software mode and utilizing the driving module and the virtual network card module in the Linux system, so that direct path verification on the hardware network card is avoided, and the verification time cost and the capital cost are reduced.

The invention belongs to the technical field of vehicle engineering, and particularly discloses a virtual compiling integration method, which is used for compiling and integrating a plurality of vehicle-mounted ECUs (Electronic Control Unit) and a plurality of controlled objects in the same software simulation framework for simulation, and comprises the following steps of: respectively generating FMU library files based on source codes of the vehicle-mounted ECUs and the controlled objects, the FMU library file further comprises an FMU library file of a stub function written for the first vehicle-mounted ECU to be tested; in the predefined software simulation framework, integrating and compiling the plurality of FMU library files into an executable file; a process is started, execution of the executable file is started, each FMU library file generates an independently running thread, and the threads are started in response to different triggering conditions. The method has the advantage that the compiling and running efficiency can be remarkably improved.

The invention discloses a single-stroke breakpoint-free path planning method for a 3D printing variable-wall-thickness honeycomb structure, and the method comprises the following steps: determining the stress distribution condition of an equal-wall-thickness honeycomb structure continuous carbon fiber reinforced silicon carbide ceramic-based composite material through software simulation, and determining a weakest region and a weakest region; variable-wall-thickness honeycomb printing is arranged in the weakest area and the weaker area; the side length and the offset distance of the honeycomb unit are determined, and a 3D printing path is set, specifically, the odd-number-layer path is different from the even-number-layer path, the outer contours of the honeycomb unit are sequentially printed in the vertical direction through the odd-number-layer path, the honeycomb unit does not completely pass through each honeycomb wall of the honeycomb structure, and the honeycomb structure is not completely formed after printing is completed; and when the next even-numbered layer is printed, missing honeycomb walls of the upper odd-numbered layer are passed twice, so that the missing honeycomb walls are complemented, and a complete variable-wall-thickness honeycomb structure is formed. According to the method, weak spots are effectively strengthened in a targeted mode, the material is not prone to damage, and the mechanical property is remarkably improved.

The invention discloses an industrial simulation control method and system based on natural language driving, and belongs to the technical field of industrial simulation. According to an existing industrial simulation control scheme, how to transmit simulation parameters into simulation software is not disclosed, and setting of simulation instructions cannot be completed. According to the industrial simulation control method based on natural language driving, a natural language instruction input by a user is analyzed by constructing a simulation language recognition model, an interaction channel creation model and an instruction mapping model, and a simulation driving channel is established between industrial simulation software and the simulation language recognition model; standardized transmission and cross-platform data interaction of data and commands are realized, and instruction transmission and data sharing are facilitated; and further based on the instruction protocol conversion relationship, the operation command is converted to obtain the execution message, so that automatic setting of different software simulation instructions can be realized, the compatibility and integration problems among different simulation platforms are effectively solved, and the user experience is improved.

A verification environment VE monitors accesses to a cache by a device under test DUT via an interface. In response to a cache access, the verification environment modifies the cache memory to give a predefined result from the cache access. The predefined result is then returned to the device under test via the interface. The verification environment may modify the data content of the cache by generating the predetermined value. It may modify the directory state assigned to the target of the cache access. The state may be valid, dirty, speculation or coherency. It may modify the least recently used state, or a most recently used state of the target. It may modify a memory reference model of the device under test. The device under test may be a software simulation or a hardware device. The verification environment may generate a pass or a fail signal dependent on the returned result.

The embodiment of the invention provides a verification method and device, electronic equipment and a storage medium, and the method comprises the steps: dividing a to-be-verified code file into a first code file and a second code file based on a module time sequence requirement corresponding to each module in the to-be-verified code file; the module time sequence requirement of the first module contained in the first code file is lower than the module time sequence requirement of the second module contained in the second code file; compiling the first code file into an executable file, and performing software simulation verification in a software simulation environment based on the executable file; deploying a target bit file corresponding to the second code file to a specified chip, and performing hardware simulation verification in a hardware simulation environment based on the specified chip; and the software simulation environment and the hardware simulation environment perform bidirectional data synchronization based on the target communication interface. A software and hardware combined verification mode is adopted, the verification effect is improved, the verification advantages of the two verification modes are considered at the same time, and the method has the advantages of being convenient to debug and high in verification precision.

The invention provides a glass bottle lightweight forming process optimization system, belongs to the technical field of glass product production, and solves the technical problems that the existing lightweight glass bottle is low in forming efficiency, process parameters cannot be dynamically adapted and the like. Comprising a hardware execution module, a global data sensing module, a digital twinning optimization module, an enterprise-level cloud management module and a man-machine collaborative operation and maintenance module. The global data sensing module comprises an equipment three-dimensional information scanning and collecting unit, an equipment working state sensor network unit, an energy consumption and resource monitoring unit, a data transmission unit, a data storage unit and a carbon footprint accounting unit; the digital twinning optimization module comprises a virtual simulation unit, a software simulation optimization unit and a dynamic feedback optimization unit. According to the invention, an integrated process optimization system integrating an intelligent algorithm, digital twinning, green carbon reduction, flexible production, full-dimensional detection, predictive maintenance and man-machine collaboration is adopted, and efficient, accurate, green and flexible production of lightweight glass bottles is realized.

The invention discloses a digital chip verification method and device, electronic equipment and a computer readable storage medium, the method and device are applied to a verification system, the verification system comprises a software simulation platform and a hardware verification platform, and the method comprises the following steps: determining a to-be-tested code of a target digital chip; utilizing the software simulation platform to generate an excitation signal according to the to-be-tested code, and sending the excitation signal to a hardware verification platform; executing verification operation on the target digital chip by using the hardware verification platform according to the excitation signal to obtain a hardware verification result; when the hardware verification result has abnormal information, determining an abnormal node in the to-be-tested code, and debugging at the abnormal node by using a software simulation platform to obtain a software simulation result; and determining a final verification result of the target digital chip according to the hardware verification result and the software simulation result. By applying the technical scheme provided by the invention, more flexible and efficient digital chip verification can be realized.

The present invention belongs to the antifriction technical field of turning tools. Disclosed are a design method for a variable-geometric parameter antifriction turning tool, and a configuration. The method comprises: first analyzing the wear form and causes of a flank face of a turning tool during a turning process of a material which is difficult to machine; second, from among adjustable geometric parameters of the tool, preferentially selecting the rake angle, the clearance angle and the rounded edge radius of the turning tool as parameters to be designed; then, on the basis of software simulation, acquiring the rule of the parameters to be designed affecting the width of a flank wear land of the turning tool; and finally, adjusting the rake angle, the clearance angle and the rounded edge radius of the tool, so as to uniformly vary the parameters along the rounded edge of the tool and keep same constant at the straight edge of the tool, thereby finishing the design of the variable-geometric parameter turning tool. The present invention uses software simulation to evaluate the antifriction performance of tools of different configurations, thereby saving time and cost. In addition, the wear of the flank face at the tool nose of the designed variable-geometric parameter turning tool can be effectively reduced and further deterioration of the wear of a tool recess can be restrained, thereby satisfying differentiated antifriction requirements of different cutting positions of the turning tool.

The invention discloses a self-adaptive under-actuated portal crane anti-swing and anti-top-rushing system and method, and relates to the technical field of cranes. The self-adaptive under-actuated portal crane anti-swing and anti-top-rushing system comprises a software simulation platform and a hardware simulation platform; the hardware simulation platform is provided with a control system and a vision measurement module; the software simulation platform simulates the motion trail of transporting and hoisting goods in the working scene where the actual portal machine is located, and a control simulation model, an anti-swing model and an anti-top-rushing model of the motion trail are constructed; the hardware simulation platform builds a door-seat machine transportation model based on the size of a real door-seat machine and a working scene of the real door-seat machine; and the control system is in data communication connection with the software simulation platform, and controls the movement of the portal machine transportation model based on track control parameters obtained by the control simulation model constructed by the software simulation platform, so that the simulation of the actual transportation condition of the portal machine is realized, and further the training and verification of the control simulation model, the anti-swing model and the anti-top-rushing model are completed. According to the system, the deviation self-adaptability and the transportation stability during transportation are guaranteed.

This application relates to the technical field of voltage regulation function testing for power banks. It discloses a voltage regulation function simulation testing system and method. This application constructs a voltage regulation function simulation testing system including a simulation clock and a simulation cycle counter. At the software level, it directly simulates the passage of time and the accumulation of charge-discharge cycles during long-term battery use based on user-configured test parameters. The core algorithm layer uses simulation time and / or the number of simulated full-charge cycles to simulate the charging voltage of the power bank over time and the accumulation of charge-discharge cycles, thus completing the voltage regulation function simulation test of the power bank. This method of completing the voltage regulation function simulation test of a power bank through software simulation algorithms greatly reduces the physical testing time required without changing the physical testing environment or replacing the tested object. This significantly shortens the testing cycle while ensuring the test results accurately reflect real-world usage scenarios and have high reliability.

The embodiments of the present application provide a chip simulation test method, device, equipment and system. The chip simulation test method includes: using a hardware simulation system to simulate the first part of the chip running the design program, and performing at least one sampling to obtain at least one sampling data; loading the at least one sampling data into the software simulation system; the software simulation system simulates the chip to continue to run part of the remaining program or all of the remaining program of the design program based on the at least one sampling data, so as to simulate the chip running the design program. The embodiment of the present application executes part of the program in the hardware simulation system, and the software simulation system continues to execute the design program based on the collected data, so that there is no need to actually execute the entire process of the design program. The hardware simulation system and the software simulation system can be combined to achieve efficient analysis and debugging, thereby providing good guidance for chip design.

The invention relates to a perception fusion software simulation method, a vehicle-mounted system and a computer readable storage medium. The perceptual fusion software simulation method comprises the steps of extracting a first controller area network CAN signal for perceptual fusion software based on information provided by a CAN database to obtain a second CAN signal; extracting a first software operation measurement signal for the perception fusion software to obtain a second software operation measurement signal; converting the second software operation measurement signal according to the second CAN signal based on the signal mapping relation library to generate a third software operation measurement signal; and simulating the perceptual fusion software based on the first software operation measurement signal and the third software operation measurement signal.

The application provides a process engine-based autonomous operation method and system for an interoperability verification task, a virtual-real combined simulation environment is constructed by including field equipment operation data, laboratory scaled component state information and a software simulation model, an actual operation scene of a road electromechanical equipment interoperability mechanism is simulated, an interoperability verification task is generated according to a preset verification requirement parameter set, a process engine is called to analyze the task and plan an execution process, the task is executed in the virtual-real combined simulation environment according to the execution process, message transmission data, state response data and time synchronization data in the equipment interaction process are collected in real time, interoperability verification results including interaction message integrity description, state response consistency record and time synchronization accuracy description are generated based on the message transmission data, the state response data and the time synchronization data, so that the verification task can be autonomously planned, and a comprehensive and real test environment is provided.

According to the HIC function verification method and verification device, an EMC module with mature functions is arranged in a FLASH space of a CPU subsystem on an original SOC verification platform, and the EMC module is configured as an external host of an HIC module, so that a function verification platform of the HIC module is rapidly established, and no extra chip is needed. After grammar checking and instantiation are carried out on an HIC function verification platform by adopting a VCS command, a VCSrun command is executed to load a simulation file and a test routine to execute function simulation, and a verdei command is used for checking a simulation result, so that RTL codes of an HIC module can be modified, re-edited and re-simulated when BUG or other errors occur, the whole process is carried out in software simulation, and the simulation efficiency is improved. The time consumption of the FPGA process is avoided, and the interaction function of the HIC module and the external host and the function interaction of the HIC module and the internal resources of the SOC system are verified at the same time in the real and complete SOC environment.

The invention relates to a chip verification method and system based on a double-FPGA architecture, and the method comprises the steps: deploying a verification platform on a first programmable logic device in a hardware circuit form, deploying a tested design on a second programmable logic device, and enabling the verification platform and the second programmable logic device to be interconnected through a hardware interface; the first programmable logic device comprises a control module, an excitation generation module, an expectation calculation module, an evaluation module, an excitation output module and a response input module; in response to external triggering, the control module jumps from idle to start, controls the excitation generation module to generate excitation, and transmits the excitation to the tested design through the excitation output module; the tested design generates a response signal based on excitation and transmits the response signal to the evaluation module through the response input module; the expectation calculation module receives an excitation calculation expectation result and transmits the result to the evaluation module; and the evaluation module compares the response with the expected result to generate a verification result. The method gets rid of software simulation dependence, shortens verification starting time, is close to a real chip use environment, and improves function verification reliability.

The invention provides a steering knuckle structure optimization method and device, a storage medium and an electronic device.The method comprises the steps that CAE simulation is conducted on an initial steering knuckle under multiple design working conditions, and a first coordinate result matrix is obtained through solving; determining a performance parameter set of the initial steering knuckle; adopting the performance parameter set to construct a design safety threshold value of structure optimization; respectively carrying out CAE simulation on the middle steering knuckle under a plurality of design working conditions, and solving to obtain a second coordinate result matrix; calculating according to the second coordinate result matrix and a design safety threshold to obtain a threshold solution domain; and adopting the threshold solution domain and the first coordinate result matrix to calculate and obtain a target coordinate matrix of mass distribution of the target knuckle after structure optimization. Through the embodiment of the invention, the technical problem that the structure of the steering knuckle cannot be optimized through software simulation in the prior art is solved, the design quality is minimized, the size of the steering knuckle is reduced, and the material and the cost of the steering knuckle are saved.

An embodiment of the present invention provides a verification method, device, electronic device, and storage medium. Based on the module timing requirements corresponding to each module in the code file to be verified, the code file to be verified is divided into a first code file and a second code file; the module timing requirement of the first module included in the first code file is lower than the module timing requirement of the second module included in the second code file; the first code file is compiled into an executable file, and based on the executable file, software simulation verification is performed in a software simulation environment; the target bit file corresponding to the second code file is deployed to a specified chip, and based on the specified chip, hardware simulation verification is performed in a hardware simulation environment; the software simulation environment and the hardware simulation environment perform bidirectional data synchronization based on a target communication interface. By adopting a combined software and hardware verification method, while improving the verification effect, the verification advantages of the two verification methods are taken into account, and it has the advantages of convenient debugging and high verification accuracy.

The invention discloses a real-time simulation online automatic analysis system which comprises a man-machine interaction workstation, a real-time simulation machine, a tested object and a module development workstation. Wherein the man-machine interaction work station is used for providing a man-machine interaction environment for software simulation testing; the real-time simulation machine is used for realizing automatic judgment and analysis functions of a software simulation test; the model development workstation is used for developing a simulation model required by the real-time simulation machine; and the tested object is used as a test object for the real-time simulation machine to automatically judge and analyze the test criterion.

The invention discloses a graph processor modeling and analyzing method and device, and belongs to the field of computer system structure aided design. The method comprises the following steps: establishing a unified calculation model decoupled from a storage architecture model; full-link micro-architecture behavior data is obtained through FPGA actual measurement, and a bandwidth constraint model is constructed to determine the optimal parallelism degree of a calculation unit; carrying out closed-loop calibration on bus delay and internal logic parameters of the simulation model by utilizing measured data; and on the calibrated reference model, keeping the optimal parallelism unchanged, and carrying out space evaluation and performance quantitative analysis on various storage architecture schemes. The device comprises an upper computer, an FPGA hardware platform and a communication interface assembly, wherein system-level simulation software and hardware control software are integrated on the upper computer. According to the method, by constructing a software and hardware closed-loop cooperation mechanism, the problems that the degree of parallelism is difficult to reasonably determine and the simulation precision of pure software is insufficient are solved, and high-precision and high-efficiency evaluation of the calculation subsystem and the storage subsystem of the graph processor is realized.

The invention relates to a simulation method and a simulation device for simulating an integrated circuit chip. Based on the method and the device, the idle flag sequence can be dynamically maintained for the plurality of software modules, the idle flag sequence can comprise the idle flag bits corresponding to the plurality of software modules, when the idle flag bit corresponding to each software module is set to be valid, the idle flag bit can indicate that the to-be-processed data waiting for being processed by the software module at present is empty, and moreover, the idle flag bit corresponding to the software module can indicate that the to-be-processed data waiting for being processed by the software module at present. Before the software thread calls any software module, the idle flag bit of the software module can be detected firstly, and then whether the software module is called or not is determined according to the detection result. Therefore, invalid calling of the software module can be prevented from being executed under the condition that any software module does not involve the to-be-processed data of data interaction, so that the software simulation time consumption of the integrated circuit chip can be shortened by reducing the invalid calling of the software module.

The invention provides a simulation method and device of a host bus adapter, electronic equipment and a storage medium, and relates to the technical field of software simulation, the method comprises the following steps: simulating an initialization behavior of the host bus adapter based on a virtual host drive, a virtual host bus adapter system and a virtual host bus adapter system database; and simulating the input / output service behavior of the host bus adapter based on the virtual host drive, the virtual host bus adapter system and the virtual host bus adapter system database. According to the method, software simulation of the host bus adapter can be realized, so that development and debugging of the driving module of the host bus adapter can be realized in a matched manner without depending on a hardware host bus adapter, decoupling of hardware and driver development is further realized, and the driver development period is shortened.

The present invention relates to a hardware-based device and method for accelerating legacy software emulation comprising the steps of: disassembling a legacy software code recognising one or more instructions; translating the recognised instructions into an intermediate form by means of substitution tables comprising instruction prefixes; determining execution efficiency by means of at least one performance counter that stores data of the instructions in intermediate form; applying IT security techniques in the instructions in intermediate form; applying execution optimisation techniques of the legacy software code by rearranging and substituting acceleration pattern-based instructions using pre-defined substitution blocks; and translating the instructions in intermediate form into a microcode specific to a machine.

The application discloses a software simulation environment building method, device, medium and program product, and relates to the field of software development. The software simulation environment building method comprises the following steps: obtaining a network resource arrangement instruction; arranging target managed resources according to the network resource arrangement instruction to obtain a target environment network topology; configuring a node image file according to the target environment network topology to obtain a network topology to be instantiated; and performing code testing and verification according to target test code, the network topology to be instantiated and topology node usage state data. The technical scheme of the embodiment of the application can improve the building efficiency of a software development simulation environment and break the strong dependence of simulation environment building and instantiation on manpower.

The invention relates to the technical field of software simulation control, in particular to an intelligent large-screen software control system and method based on distributed seat management. The system comprises a situation virtualization module which is used for receiving real state data or simulator operation data and constructing a virtual copy; the self-adaptive strategy execution module is used for extracting a situation evolution trend vector according to the virtual copy, judging situation state classification and generating a dynamic instruction set; the distributed virtual environment coordination module is used for receiving the dynamic instruction set, adjusting a user interface and managing user interaction authority; the simulation management module is used for controlling the process of the simulator and synchronizing the running data of the simulator to the situation virtualization module; and the unified interaction module is used for carrying out mode state switching on the operation environment and constraining the user interaction operation according to the permission change instruction.