####################################################################
#
# Command-file for Cadence Silicon Ensemble
# Optimized for GDSII output to magic
# Johannes Grad, OSU
#
# One change necessary: See below to change the third "INPUT" line
#
# If you have warnings "terminals are inaccesable" (floating pins in
# the layout): Change "rowu" in line 40 from 0.7 to e.g. 0.6, 0.8
#
# The result will be streamed out to "final.gds2" and "final.def"
#
#####################################################################

# read in LEF file
INPUT LEF FILENAME "/import/cad2/osu_stdcells/lib/tsmc018/lib/osu018_stdcells.lef" REPORTFILE "importlef.rpt" ;

SET VAR INPUT.VERILOG.POWER.NET "vdd";
SET VAR INPUT.VERILOG.GROUND.NET "gnd";
SET VAR INPUT.VERILOG.LOGIC.1.NET "vdd";
SET VAR INPUT.VERILOG.LOGIC.0.NET "gnd";
SET VAR INPUT.VERILOG.SPECIAL.NETS "vdd gnd";
INPUT VERILOG FILE "/import/cad2/osu_stdcells/lib/tsmc018/lib/osu018_stdcells.v.se" LIB "synth_osu018" ;

# Write here the result of your compile script
# change FILE_NAME to your synthesis output file
# and change TOP_LEVEL_NAME to the name of your toplevel module
# (most likely both will be called the same)
#
INPUT VERILOG FILE "FILE_NAME.vh" 
LIB "synth_osu018" REFLIB "synth_osu018" 
DESIGN  "synth_osu018.TOP_LEVEL_NAME:hdl" ;

# initialize floorplan
set v USERLEVEL EXPERT;
set v PLAN.REPORT.STAT "  ";
FINIT FLOOR;

SET VAR PLAN.LOWERLEFT.ORIGIN TRUE ;
FINIT FLOORPLAN  rowu 0.70 rowsp 0 blockhalo 1000 f a 1 abut xio 40000 yio 40000 FLIPALTERNATEROWS;
set v UPDATECOREROW.BLOCKHALO.GLOBAL 1000;

# add supply rings
SET VAR DRAW.SWIRE.AT ON ;
SET VAR DRAW.CHANNEL.AT ON ;
BUILD CHANNEL ;
CONSTRUCT RING NET "gnd" NET "vdd"
LAYER metal1 CORERINGWIDTH 10000 SPACING CENTER BLOCKRINGWIDTH 0 
LAYER metal2 CORERINGWIDTH 10000 SPACING CENTER BLOCKRINGWIDTH 0 
 ;
DISPOSE CHANNEL ;
SET VAR DRAW.CHANNEL.AT OFF ;
SET VAR DRAW.SWIRE.AT SMALL ;

# add pins
IOPLACE AUTOMATIC STYLE EVEN ;

# Qplace
SET VAR TIMING.REPORTTIMING.LOGFILENAME "";
SET VAR QPLACE.OPT.REPORT.NAME "LBRARY.qpopt.rpt";
SET VAR QPWR.RSPF "";
SET VAR QPLACE.PLACE.GROUTE.ANALYSIS "";
SET VAR QPLACE.OPT.TIMING.TYPE "";
SET VAR QPLACE.PLACE.PIN "";
QPLACE NOCONFIG;

# add filler cells
SROUTE ADDCELL MODEL FILL PREFIX fill NO FS SPIN vdd NET vdd SPIN gnd NET gnd AREA ( 0 0 ) ( 626400 630000 ) ;

# route power nets
SROUTE FOLLOWPINS NET "gnd" NET "vdd" LAYER metal1 WIDTH 600 ;

# Wroute
SET VAR WROUTE.FINAL TRUE ;
SET VAR WROUTE.GLOBAL TRUE ;
SET VAR WROUTE.INCREMENTAL.FINAL FALSE ;
WROUTE NOCONFIG ;

# Remove comment if you want to export to DEF
#OUTPUT DEF  FILENAME  "final.def" ;

# export to GDSII
SET VAR GDSII.OUTPUT.PIN.DIRECTION FALSE ;
OUTPUT GDSII MAPFILE "gds2_seultra.map" FILE "final.gds2" UNITS THOUSANDS ;
 
# Export RC parasitcs
SET VAR TIMING.REPORTRC.FORMAT "DSPF";
REPORT RC FILENAME final.dspf ;

# Remove comment to save the final result
# SAVE DESIGN "final";

VERIFY GEOMETRY ;

VERIFY CONNECTIVITY ;

FQUIT ;