clock_opt_psyn_icc.tcl

synopsys icc 使用参考脚本

## ICC RM Version: B-2008.09        

###############################################
## clock_opt_psyn_icc: Post CTS optimization ##
###############################################


source -echo icc_setup.tcl
 
open_mw_lib $MW_DESIGN_LIBRARY
redirect /dev/null "remove_mw_cel -version_kept 0 ${ICC_CLOCK_OPT_PSYN_CEL}" 
copy_mw_cel -from $ICC_CLOCK_OPT_CTS_CEL -to $ICC_CLOCK_OPT_PSYN_CEL
open_mw_cel $ICC_CLOCK_OPT_PSYN_CEL

link




## Optimization Common Session Options - set in all sessions
source -echo common_optimization_settings_icc.tcl
source -echo common_placement_settings_icc.tcl



## Source CTS Options 
source -echo common_cts_settings_icc.tcl

## Source Post CTS Options
source -echo common_post_cts_timing_settings.tcl


set_app_var compile_instance_name_prefix icc_clock 

## Remove any remaining ideal networks 

if {!$MCMM_MODE } {

  remove_ideal_network [all_fanout -flat -clock_tree]

} else {

   set_active_scenarios [lminus [all_scenarios] $ICC_MCMM_CTS_SCENARIO]
   foreach scenario [all_active_scenarios] {
     current_scenario $scenario
     remove_ideal_network [all_fanout -flat -clock_tree]
   };

  }



## Set Hold fixing

if {!$MCMM_MODE } {
  set_fix_hold [all_clocks] 
} else {

   set_active_scenarios [lminus [all_scenarios] $ICC_MCMM_CTS_SCENARIO] 
   foreach scenario [all_active_scenarios] { 
     current_scenario $scenario 
     set_fix_hold [all_clocks] 
   };
    set ICC_DOMINANT_SCENARIOS [get_dominant_scenarios] 
    if {$ICC_DOMINANT_SCENARIOS != ""} {set_active_scenarios $ICC_DOMINANT_SCENARIOS} 
  update_timing 

  }


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



if {$DFT } {
  if {$LEAKAGE_POWER || $DYNAMIC_POWER} {
    ##Optimize DFT and Power
    if {$ICC_STRATEGY == "TTR" } {
       clock_opt -no_clock_route -only_psyn -optimize_dft -power 
    } 
    if {$ICC_STRATEGY == "QOR" } {
       clock_opt -no_clock_route -only_psyn -optimize_dft -power -area_recovery 
    }
  } else {
    ##Optimize DFT 
    if {$ICC_STRATEGY == "TTR" } {
       clock_opt -no_clock_route -only_psyn -optimize_dft 
    }
    if {$ICC_STRATEGY == "QOR" } {
       clock_opt -no_clock_route -only_psyn -optimize_dft -area_recovery 
    }
  }

} else {

  if {$LEAKAGE_POWER || $DYNAMIC_POWER } {
    ##Optimize Power 
    if {$ICC_STRATEGY == "TTR" } {
       clock_opt -no_clock_route -only_psyn -power  
    } 
    if {$ICC_STRATEGY == "QOR" } {
       clock_opt -no_clock_route -only_psyn -power -area_recovery 
    }
    } else {
    ##Default clock_opt -no_clock_route -only_psyn
    if {$ICC_STRATEGY == "TTR" } {
       clock_opt -no_clock_route -only_psyn  
    }
    if {$ICC_STRATEGY == "QOR" } {
       clock_opt -no_clock_route -only_psyn -area_recovery 
    }
  }
}


if { [check_error -verbose] != 0} { echo "SCRIPT-Error, flagging ..." }
############################################################################################################
# ADDITIONAL FEATURES FOR THE POST CTS OPTIMIZATION
############################################################################################################

## When the design has congestion issues post CTS, use :
# refine_placement -congestion_effort medium -num_cpus $ICC_NUM_CPUS 

## Additional optimization can be done using the psynopt command
# psynopt -effort "medium|high"




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/clock_opt_psyn.mv {check_mv_design -power_nets -verbose}
  save_upf $RESULTS_DIR/$ICC_CLOCK_OPT_PSYN_CEL.upf

 }
}




if {$MCMM_MODE } {

 set_active_scenarios [lminus [all_scenarios] $ICC_MCMM_CTS_SCENARIO]
 update_timing

}


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


if {$MCMM_MODE } { 

 redirect -file $REPORTS_DIR/$ICC_CLOCK_OPT_PSYN_CEL.max.tim {report_timing -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay max} 
 redirect -file $REPORTS_DIR/$ICC_CLOCK_OPT_PSYN_CEL.min.tim {report_timing -scenario [all_scenarios] -capacitance -transition_time -input_pins -nets -delay min} 

} else {

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

}






## Create Snapshot and Save
create_qor_snapshot -timing -constraint -congestion -clock_tree -name $ICC_CLOCK_OPT_PSYN_CEL
save_mw_cel -as $ICC_CLOCK_OPT_PSYN_CEL 
redirect -file $REPORTS_DIR/$ICC_CLOCK_OPT_PSYN_CEL.qor_snapshot.rpt {report_qor_snapshot}



exit