set -xsthdpdir ./xst run -ifn ethernet.prj -ifmt mixed -ofn ethernet -ofmt NGC -p xc3s1500-fg456-4 -top ethernet -opt_mode Speed -opt_level 1 -iuc NO -lso ethernet.lso -keep_hierarchy NO -glob_opt AllClockNets -rtlview Yes -read_cores YES -write_timing_constraints NO -cross_clock_analysis NO -hierarchy_separator / -bus_delimiter <> -case maintain -slice_utilization_ratio 100 -verilog2001 YES -fsm_extract YES -fsm_encoding Auto -safe_implementation No -fsm_style lut -ram_extract Yes -ram_style Auto -rom_extract Yes -rom_style Auto -mux_extract YES -decoder_extract YES -priority_extract YES -shreg_extract YES -shift_extract YES -xor_collapse YES -resource_sharing YES -mult_style auto -iobuf YES -max_fanout 500 -bufg 8 -register_duplication YES -equivalent_register_removal YES -register_balancing No -slice_packing YES -optimize_primitives NO -use_clock_enable Yes -use_sync_set Yes -use_sync_reset Yes -iob auto -slice_utilization_ratio_maxmargin 5