如何使用UVM中的set_type_override_by_type
时间: 2023-11-29 13:06:32 浏览: 336
set_type_override_by_type方法用于覆盖UVM testbench中的数据类型,以便使用自定义的数据类型进行仿真。以下是使用set_type_override_by_type方法的步骤:
1. 创建一个包含自定义数据类型的类,例如:
```verilog
class my_data_type;
// 自定义数据类型成员变量
endclass
```
2. 在UVM testbench中使用set_type_override_by_type方法覆盖需要替换的数据类型,例如:
```verilog
import uvm_pkg::*;
class my_test extends uvm_test;
// ...
function void build_phase(uvm_phase phase);
// 覆盖需要替换的数据类型为my_data_type
uvm_config_db#(virtual my_data_type)::set_type_override_by_type(original_data_type::get_type(), my_data_type::get_type());
endfunction
// ...
endclass
```
在这个例子中,我们将原始数据类型替换为自定义的my_data_type。
3. 在UVM testbench中使用新的数据类型进行仿真。
通过使用set_type_override_by_type方法,我们可以轻松地替换UVM testbench中的数据类型,以便使用自定义的数据类型进行仿真。
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