Reference: https://www.cnblogs.com/xianyufpga/p/11326100.html
在do文件中加入以下代码
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virtual type {
{6'b000000 STATE_RST }
{6'b000001 STATE_IDLE }
{6'b000010 STATE_CFG_RAM }
{6'b000011 STATE_WEIGHT_RAM }
{6'b000100 STATE_PROCESS_3 }
{6'b000101 STATE_PROCESS_3_WAIT }
{6'b000110 STATE_LOAD_INST }
{6'b000111 STATE_DECODE_INST }
{6'b001000 STATE_PROCESS_0 }
{6'b001001 STATE_PROCESS_1 }
{6'b001010 STATE_PROCESS_2 }
{6'b001011 STATE_WRITE }
{6'b001100 STATE_WRITE_DONE }
{6'b001101 STATE_PROCESS_4_1 }
{6'b001110 STATE_BRANCH_DONE }
{6'b001111 STATE_UPDATE_INST }
{6'b010000 STATE_DATA_END }
{6'b010001 STATE_OUTPUT }
{6'b010010 STATE_OUTPUT_DONE }
{6'b010011 STATE_RL }
{6'b010100 STATE_CONV }
{6'b010101 STATE_POOL }
{6'b010110 STATE_DENSE }
{6'b010111 STATE_ERROR }
{6'b011000 STATE_BRANCH_LEVEL_1 }
{6'b011001 STATE_BRANCH_LEVEL_2 }
{6'b011010 STATE_UPDATE_R_C }
{6'b011011 STATE_DELAY }
{6'b011100 STATE_BRANCH_CONTINUE }
{6'b011101 STATE_BETWEEN_P1_P2 }
{6'b011110 STATE_LOAD_DATA_WAIT }
{6'b011111 STATE_LOAD_DATA_PRE }
{6'b100000 STATE_WEIGHT_RAM_DELAY}
{6'b100001 STATE_LSTM }
{6'b100010 STATE_LSTM_1 }
{6'b100011 STATE_LSTM_2 }
{6'b100100 STATE_LSTM_3 }
{6'b100101 STATE_LSTM_4 }
{6'b100110 STATE_LSTM_5 }
{6'b100111 STATE_PROCESS_4_2 }
{6'b101000 STATE_PROCESS_4_3 }
{6'b101001 STATE_PROCESS_4_4 }
} state_type
virtual function {(state_type)/ok_for_nnic_tb/interface_with_design/U0/U0/state_ctrl} state_ctrl_display
add wave -color pink ok_for_nnic_tb/interface_with_design/U0/U0/state_ctrl_display
