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A pcie verification system based on uvm verification methodology

A verification methodology and verification system technology, applied in the fields of instrumentation, electrical digital data processing, computing, etc., can solve problems such as non-reusability, low verification efficiency of PCIE modules, and easy writing errors.

Active Publication Date: 2016-09-14
丁贤根
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the process of verifying the PCIE module in the past, it is not only troublesome to regenerate various PCIE data packets, but also prone to errors in temporary writing, because the efficiency of verifying the PCIE module through the verification platform is very low and cannot be reused

Method used

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  • A pcie verification system based on uvm verification methodology
  • A pcie verification system based on uvm verification methodology

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Experimental program
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Embodiment Construction

[0027] combine figure 2 As shown, the PCIE module verification environment platform created by the present invention is completed by using the system-level hardware description language SystemVerilog: it mainly includes the following 9 components: test case, sequence generator (sequence), AXI driver module (AXI in_agent), PIPE driver Module (PIPE in_agent), AXI monitoring module (AXI out_agent), PIPE monitoring module (PIPE out_agent), PCIE reference model (reference model), scoreboard (scoreboard), functional coverage module. The UVM components are connected or communicated through ports.

[0028] The test case completes the definition of the randomization sequence, and different test cases use different sequences to verify different functions of PCIE;

[0029] The sequence generator completes the definition of the randomized data packet, including the transaction type of the transaction layer data packet, the receiver address, the order attribute, the cache consistency att...

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Abstract

The invention relates to a PCIE verification method based on UVM verification methodology, which is characterized in that the verification method UVM and system-level hardware description language are adopted, the verification environment platform is constructed by using the advanced scalable interface bus behavior model, and the function verification is implemented on the PCIE module. The verification environment platform includes: a test case, a sequence generator, an AXI driver module, a PIPE driver module, an AXI monitoring module, a PIPE monitoring module, a PCIE reference model, a scoreboard and a function coverage module. The invention runs UVM verification methodology, can realize a hierarchical verification structure, can easily transplant and verify PCIE with different configurations, and generates random data packet incentives through constraints, can realize traversal of all instructions and addresses, and function coverage Models can collect and monitor coverage.

Description

technical field [0001] The invention relates to a PCIE verification system based on UVM verification methodology. Background technique [0002] The rapid development of chip design and verification technology makes the functional verification of the module more and more demanding. Complete the functional verification of the module in a short time to ensure the correct logic function, which has a high impact on the completeness, automation and reusability of the verification environment. Require. [0003] PCIE is the latest and most popular bus and interface standard. Its main advantages are extremely high transmission rate and high bandwidth brought by multiple high-speed serial transmissions. The functional correctness of PCIE is crucial, especially every redesigned or modified PCIE needs to go through a lot of regression tests, and even multiple tape-outs can be actually used in the project. Therefore, the verification of PCIE usually requires a lot of time and manpower ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/267
Inventor 林谷赵赛李冰丁贤根
Owner 丁贤根
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