1)这个芯片的virtual sequencer 中,应该包含A,D,F 的sequencer。同一推荐在base_test 中例化virtual sequencer。在芯片级别建立自己的virtual sequencer。 3.virtual sequence 都使用uvm_declare_p_sequencer 宏指定sequencer。这些sequencer 在模块级别存在,但是在芯片级别根本不存在,所以这些virtual sequence 无法用于芯片级...
整理UVM中的virtual sequence和virtual sequencer。 1. virtual sequencer 特点 1. high-level control of multiple sequencers。在virtual sequencer中包含driver sequencer和virtual sequencer的句柄。 2. Virtual sequencer that is not attached to a driver 。它不与driver进行item传输,所以不需要建立端口连接。 3. ...
在《UVM实战》这本书中,一直说virtual_sequence/sequencer都不是真正的sequence和sequencer,都是起到一个调度的作用。virtual_sequence的出现,是为了调度各种各样的sequence,而作为配套设施出现的virtual_seqencer同样也是为了处理由virtual_sequence发送过来的各类sequence,并且发送到真正的sequencer去。 那么多的sequence,到底...
总结一下:对于virtual function ,是在base中提供了一个函数模板,但不是必须进行override,但对于pure virtual function 而言,必须进行override,如果你忘记override,则会出现编译错误,也起了一种提示作用。 virtual sequence/sequencer 之前的文章讲过,就不再赘述,可以参照链接。 参考:我眼中的UVM |08.virtual_sequece和v...
1)基础用法:在virtual_sequencer中将各个env的sequencer包括进来,同时base_test在connect_phase中将各个env放入指针中,在case在main_phase中设置default_sequence,让其进入phase时自启动。 平常的uvm的object的控制放到sequence的body中实现,引入virtual sequencer后,则将其放入顶层的... ...
Each sequencer is referenced byp_sequencerhandle which points to the virtual sequencer Once a virtual sequence is defined, you can start this in your test as shown below. classmy_testextendsuvm_test;`uvm_component_utils(my_test)my_envm_env;...taskrun_phase(uvm_phasephase);my_virtual_seqm...
The UVM Primer -- chapter 23 UVM Sequence (virtualsequence),不需要sequencer就可以传递sequenceitem。相反,通过sequencer的句柄,可以控制其他sequences的运行。uvm_top提供了一... items的顺序我们希望有另一个模块来负责,同时tester也将改名为sequencer,仅仅实现sequenceitems的传递功能。sequencer从sequence中取出一系列...
class top_env extends uvm_env; ... my_virtual_sequencer m_virt_seqr; virtual function void build_phase (uvm_phase phase); ... m_virt_seqr = my_virtual_sequencer::type_id::create ("m_virt_seqr", this); ... endfunction // Connect virtual sequencer handles to actual sequencers ...
<UVM1.1> I want use uvm_create_on and uvm_send to do some specific tuning of virtual sequence. I found that uvm_send does not work for virtual sequence. Must use sequence.start() instead. If I use uvm_send macro, it tu…
Please help me in solving this. Please find the EDA playground link: fifo_inc_virtual_seq_seqr_uvm - EDA Playground Thanks in advance, Manoj chr_sue April 13, 2018, 1:55pm 2 In reply to Manojkumar BR: I did not fined any defintion for my_wr_sequencer and my_rd...