uvm在seq怎么使用analysis port将数据发送到scoreboard,代码是怎样的
时间: 2024-02-09 15:11:40 浏览: 146
[UVM]UVM中的analysis port 和analysis export
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在UVM中,使用Analysis Port将数据发送到Scoreboard的步骤如下:
1.在Scoreboard的类定义中声明Analysis Port:
```verilog
class my_scoreboard extends uvm_scoreboard;
...
uvm_analysis_port #(my_transaction) analysis_port;
...
endclass
```
2.在Sequence中实例化Scoreboard,并连接Analysis Port:
```verilog
class my_sequence extends uvm_sequence;
...
my_scoreboard scoreboard;
...
virtual task body();
...
scoreboard = my_scoreboard::type_id::create("scoreboard", this);
scoreboard.analysis_port.connect(monitor.analysis_export);
...
endtask
...
endclass
```
3.在Sequence中使用Analysis Port发送transaction数据:
```verilog
class my_sequence extends uvm_sequence;
...
virtual task body();
...
my_transaction trans;
...
scoreboard.analysis_port.write(trans);
...
endtask
...
endclass
```
其中,my_transaction是transaction的类名,monitor是用于监控transaction的组件,analysis_export是monitor中声明的Analysis Export端口。
这是一个简单的示例,实际实现时需要根据具体的应用场景进行调整。
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