UVM factory create
时间: 2023-08-08 07:11:04 浏览: 111
UVM (Universal Verification Methodology) is a widely used methodology for verifying integrated circuit designs. The UVM factory is a key component of the UVM framework, responsible for creating and managing objects dynamically.
To create an object using the UVM factory, you need to follow these steps:
1. Define a base class for your object. This class should inherit from `uvm_object` or any of its derived classes, such as `uvm_component`, `uvm_sequence`, etc.
2. Register your class with the UVM factory. This step ensures that the factory is aware of your class and can create objects of that type. You can register your class using the `uvm_component_utils` macro or the `uvm_object_utils` macro, depending on the base class you are inheriting from.
3. Use the `create()` method of the UVM factory to create an instance of your object. Pass the class type as an argument to the `create()` method, and it will return a pointer to a newly created object.
Here's an example of how you can create an object using the UVM factory:
```systemverilog
class MyObject extends uvm_object;
// ...
endclass
// Register MyObject with the UVM factory
`uvm_object_utils(MyObject)
// Create an instance of MyObject
MyObject myObj = MyObject::type_id::create("myObj");
```
In this example, the `MyObject` class is registered with the UVM factory using the `uvm_object_utils` macro. Then, the `create()` method is used to create an instance of `MyObject` and assign it to the `myObj` variable.
I hope this helps! Let me know if you have any further questions.
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