在place之后,做CTS时,check_clock_tree之后,报出了如下的warning,man 了一下,没有太理解,路过的大神求解~~~
Warning: The clock 'EMIF_clk' defined at port 'EMIF_clk_o_pad' loops to itself. (CTS-832)
0: EMIF_clk_o_pad
1: EMIF_clk_o_pad
Warning: The clock 'clk_o_fpa' defined at port 'clk_fpa_10' loops to itself. (CTS-832)
0: clk_fpa_10
1: clk_fpa_10
Warning: The clock 'clk_o_led' defined at port 'clk_o_10' loops to itself. (CTS-832)
0: clk_o_10
1: clk_o_10Warning: The clock 'EMIF_clk' defined at port 'EMIF_clk_o_pad' loops to itself. (CTS-832)
0: EMIF_clk_o_pad
1: EMIF_clk_o_pad
Warning: The clock 'clk_o_fpa' defined at port 'clk_fpa_10' loops to itself. (CTS-832)
0: clk_fpa_10
1: clk_fpa_10
Warning: The clock 'clk_o_led' defined at port 'clk_o_10' loops to itself. (CTS-832)
0: clk_o_10
1: clk_o_1