|  | yosys -import | 
|  | if { [info procs read_sdc] == {} } { plugin -i sdc } | 
|  | yosys -import  ;# ingest plugin commands | 
|  |  | 
|  | read_verilog $::env(DESIGN_TOP).v | 
|  | # Some of symbiflow expects eblifs with only one module. | 
|  | synth_xilinx -flatten -abc9 -nosrl -noclkbuf -nodsp | 
|  |  | 
|  | set_clock_groups -group clk1 clk2 | 
|  | set_clock_groups -asynchronous -group clk3 clk4 | 
|  | set_clock_groups -group clk5 clk6 -logically_exclusive | 
|  | set_clock_groups -group clk7 clk8 -physically_exclusive -group clk9 clk10 | 
|  | set_clock_groups -quiet -group clk11 clk12 -asynchronous -group clk13 clk14 | 
|  |  | 
|  | write_sdc [test_output_path "set_clock_groups.sdc"] |