SeanChou Posted May 27, 2011 Report Share Posted May 27, 2011 Hi, I am not sure if it is a known issue or not. FYI and thanks! the problem is the upd could be wrong when XupdateX returns vaule 0xffffffff (~0) when access = W1C. in uvm_reg::update function upd=0; foreach (m_fields[i] ) upd |= m_fields[i].XupdateX() << m_fields[i].get_lsb_pos(); in uvm_reg_field::XupdateX() case (m_access) ... "W1C": XupdateX = ~m_desired; ... endcase Quote Link to comment Share on other sites More sharing options...
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