chip_finish_icc.tcl

synopsys icc 使用参考脚本

## ICC RM Version: B-2008.09


###################################################
## chip_finish_icc: Several chipfinishing steps  ##
###################################################



source -echo icc_setup.tcl

open_mw_lib $MW_DESIGN_LIBRARY
redirect /dev/null "remove_mw_cel -version_kept 0 ${ICC_CHIP_FINISH_CEL}" 
copy_mw_cel -from $ICC_ROUTE_OPT_CEL -to $ICC_CHIP_FINISH_CEL
open_mw_cel $ICC_CHIP_FINISH_CEL

link



source -echo common_optimization_settings_icc.tcl
source -echo common_placement_settings_icc.tcl
source -echo common_post_cts_timing_settings.tcl



########################################
#    LOAD THE ROUTE AND SI SETTINGS    #
########################################

source -echo common_route_si_settings_icc.tcl


if {$MV_MODE == "UPF"} {


#############################
## COMPLETE POWER CONNECTIONS
#############################

 derive_pg_connection -create_net -verbose
 derive_pg_connection -reconnect -verbose
 check_mv_design -power_nets -verbose

}



if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }



if {$ICC_FIX_ANTENNA } {
  

  ########################################
  #           ANTENNA FIXING             #
  ########################################
  
  ## do antenna fixing during seach&repair
   if { [file exists [which $ANTENNA_RULES_FILE]]} {
       set_droute_options -name doAntennaConx -value 4
       source -echo $ANTENNA_RULES_FILE
       report_antenna_rules
       route_search_repair -rerun_drc -loop 10
       report_antenna_ratio
   }
   if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
  
}
  





if {$ICC_REDUCE_CRITICAL_AREA } {
  

  ########################################
  #      CRITICAL AREA REDUCTION          #
  ########################################
  
  ## Timing driven wire spreading for shorts and widening for opens
  ## It is recommended to define a slack threshold to avoid that nets with too small slack are touched
  ## the unit of $TIMING_PRESERVE_SLACK is the library unit, so make sure that you provide the correct
  ## value in case your library has ps as unit. Default is 0.1, i.e. 0.1ns.
  route_spreadwires -timing_driven -setup_slack_threshold $TIMING_PRESERVE_SLACK -search_repair_loop 3
  route_widen_wire -timing_driven -setup_slack_threshold $TIMING_PRESERVE_SLACK -hold_slack_threshold $TIMING_PRESERVE_SLACK -search_repair_loop 3
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
  
}
  




if {$ICC_DBL_VIA } {
  

  ########################################
  #           REDUNDANT VIA              #
  ########################################
  
  ## Running Timing driven redundant via insertion
  set_app_var droute_optViaTimingDriven 1
  
  ## When running Timing Driven Via insertion in MCMM mode, be aware that it works only from the current_scenario - 
  ## You can use [get_dominant scenarios] to get a critical one loaded
  # set_active_scenarios [get_dominant_scenarios]
  
  ## Auto mode
  insert_redundant_vias -auto_mode insert -num_cpus $ICC_NUM_CPUS

  
  ## Optionally, manual mode
  # insert_redundant_vias \
          #-num_cpus $ICC_NUM_CPUS \
          #-from_via "from_via_list" \
          #-to_via "to_via_list" \
          #-to_via_x_size "list_of_via_x_sizes" \
          #-to_via_y_size "list_of_via_y_sizes"
  
          ##example: -from_via "VIA45 VIA45 VIA12A" -to_via "VIA45f VIA45 VIA12f" -to_via_x_size "1 1 1" -to_via_y_size "2 2 2"
  
 if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
 
}




  ########################################
  #          AUTO SHIELDING              #
  ########################################
  
  ##Shield Clocks/Nets if Constraint Set Previously
  #create_auto_shield
  



if {$ADD_FILLER_CELL } {


  ########################################
  #          STD CELL FILLERS            #
  ########################################
  
##Filler Cells
if {$MV_MODE == "NONE" } {
  if {$ADD_FILLER_CELL == "true" } {
    insert_stdcell_filler -cell_with_metal $FILLER_CELL_METAL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
    insert_stdcell_filler -cell_without_metal $FILLER_CELL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
  }
} else {echo "SCRIPT-ERROR: Filler cell insertion chosen and scripts do not support filler insertion in MV flow"}
if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }



if {$MV_MODE == "UPF"} {

  ## Manual mode derive_pg_connection command to complete PG connections of Physical only cells (fillers etc..)
  ## derive_pg_connection -power_net VDDMS -power_pin VDD -cells [get_cells -filter "@is_hierarchical==false" -of [get_voltage_area MULT]]

}



}
  





if {$ICC_FIX_ANTENNA || $ICC_REDUCE_CRITICAL_AREA || $ICC_DBL_VIA || $ADD_FILLER_CELL } {


  ########################################
  #     INCREMENTAL TIMING OPTO          #
  ########################################
  
  route_opt -incremental -size_only

  ##include -rerun_drc to ensure DRC count is correct
  route_search_repair -rerun_drc -num_cpus 1 -loop 2  
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }


}




if {$ADD_FILLER_CELL } {


  ########################################
  #          STD CELL FILLERS            #
  ########################################
  
  ##Filler Cells
  if {$MV_MODE == "NONE" } {
    if {$ADD_FILLER_CELL == "true" } {
      insert_stdcell_filler -cell_without_metal $FILLER_CELL -connect_to_power $MW_POWER_NET -connect_to_ground $MW_GROUND_NET
    }
  } else {echo "SCRIPT-ERROR: Filler cell insertion chosen and scripts do not support filler insertion in MV flow"}


  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

}
  



  

  if {$MV_MODE != "NONE"} {

    ## in case new nets are created that go from one VA to another, level shifters need to be inserted on these nets 
    # insert_level_shifters -all_clock_nets -verbose
  
    ## optionally insert isolation cells 
    # insert_isolation_cell -reference $lib_cell -enable [find net $enable_net] -object_list [get_net $nets_missing_isolation_cells]
  

  }
  





########################################
#           CONNECT P/G                #
########################################


## Connect Power & Ground for non-MV and MV-mode


if { $CUSTOM_CONNECT_PG_NETS_SCRIPT != ""} {

  if {[file exists [which $CUSTOM_CONNECT_PG_NETS_SCRIPT]]} {
    source -echo $CUSTOM_CONNECT_PG_NETS_SCRIPT 
  }

} else {
 if {$MV_MODE == "NONE"} {

  derive_pg_connection -create_net
  derive_pg_connection -reconnect

 }

 if {$MV_MODE == "NONUPF"} {
  source -echo mv_pg_connect.tcl 
 }

 if {$MV_MODE == "UPF"} {

  derive_pg_connection -create_net -verbose
  derive_pg_connection -reconnect -verbose
  redirect -file $REPORTS_DIR/chip_finish.mv {check_mv_design -power_nets -verbose}
  save_upf $RESULTS_DIR/$ICC_CHIP_FINISH_CEL.upf
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

 }
}




if {$ADD_METAL_FILL} { 


  ########################################
  #       TIMING DRIVEN METAL FILL       # 
  ########################################
  
  insert_metal_filler -routing_space 2 -timing_driven
  if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }

}




if {$MV_MODE == "NONUPF"} {
  redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.mv {check_mv_design -verbose}
}

if {$MV_MODE == "UPF"} {

  derive_pg_connection -create_net -verbose
  derive_pg_connection -reconnect -verbose
  redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.mv {check_mv_design -power_nets -verbose}
  save_upf $RESULTS_DIR/$ICC_CHIP_FINISH_CEL.upf  

}




redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.qor {report_qor}
redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.con {report_constraints}


if {$MCMM_MODE } {

  set_active_scenarios [lminus [all_scenarios] $ICC_MCMM_CTS_SCENARIO] 
  update_timing 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.max.tim {report_timing -crosstalk_delta -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay max} 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.min.tim {report_timing -crosstalk_delta -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay min} 

} else {

 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.max.tim {report_timing -crosstalk_delta -capacitance -transition_time -input_pins -nets -delay max} 
 redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.min.tim {report_timing -crosstalk_delta -capacitance -transition_time -input_pins -nets -delay min} 

}


redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.sum {report_design -physical}



## Create Snapshot and Save

create_qor_snapshot -timing -constraint -congestion -clock_tree -route -name $ICC_CHIP_FINISH_CEL
save_mw_cel -as $ICC_CHIP_FINISH_CEL
redirect -file $REPORTS_DIR/$ICC_CHIP_FINISH_CEL.qor_snapshot.rpt {report_qor_snapshot}




exit