www.pudn.com > aes_core.rar > comp.dc

###############################################################################
#
# Actual Synthesis Script
#
# This script does the actual synthesis
#
# Author: Rudolf Usselmann
#         rudi@asics.ws
#
# Revision:
# 3/7/01 RU Initial Sript
#
#
###############################################################################

# ==============================================
# Setup Design Parameters
source ../bin/design_spec.dc

# ==============================================
# Setup Libraries
source ../bin/lib_spec.dc

# ==============================================
# Setup IO Files

append log_file			../log/$active_design "_cmp.log"
append pre_comp_db_file		../out/$design_name "_pre.db"
append post_comp_db_file	../out/$design_name ".db"
append post_syn_verilog_file	../out/$design_name "_ps.v"
set junk_file /dev/null

sh rm -f $log_file

# ==============================================
# Setup Misc Variables

set hdlin_enable_vpp true       ;# Important - this enables 'ifdefs

# ==============================================
# Read Design

echo "+++++++++ Reading Design ..."                             >> $log_file
read_file $pre_comp_db_file                                     >> $log_file

# ==============================================
# Operating conditions

echo "+++++++++ Setting up Operation Conditions ..."            >> $log_file
current_design $design_name
set_operating_conditions WORST                                  >> $log_file

# ==============================================
# Setup Clocks and Resets

echo "+++++++++ Setting up Clocks ..."                           >> $log_file

set_drive 0 [find port {clk}]
 
# !!! Clock !!!
set clock_period 2.5
create_clock -period $clock_period clk
set_clock_skew -uncertainty 0.1 clk
set_clock_transition 0.2 clk
set_dont_touch_network clk
 
# ==============================================
# Setup IOs

echo "+++++++++ Setting up IOs ..."                             >> $log_file

# Need to spell out external IOs

set_driving_cell -cell NAND2D2 -pin Z [all_inputs]              >> $junk_file
set_load 0.2 [all_outputs]

set_input_delay -max 1 -clock clk [all_inputs]
set_output_delay -max 1 -clock clk [all_outputs]

# ==============================================
# Setup Area Constrains
set_max_area 0.0

# ==============================================
# Force Ultra
set_ultra_optimization -f
set compile_new_optimization true

# ==============================================
# Compile Design

echo ""								>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo "+++++++++ Timing Loops Report        +++++++++"		>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo ""								>> $log_file
report_timing -loops -max_path 20				>> $log_file

echo ""								>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo "+++++++++ Starting Compile           +++++++++"		>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo ""								>> $log_file

set_wire_load_model -name suggested_160K [find design *]
set_balance_registers true
compile -boundary_optimization -ungroup_all
optimize_registers -period 0
compile -incremental_mapping -map_effort high -area_effort high -boundary_optimization -ungroup_all

# ==============================================
# Write Out the optimized design

echo ""								>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo "+++++++++ Saving Optimized Design    +++++++++"		>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo ""								>> $log_file
write_file -hierarchy -format verilog	-output $post_syn_verilog_file
write_file -hierarchy -format db	-output $post_comp_db_file

# ==============================================
# Create Some Basic Reports

echo ""								>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo "+++++++++ Reporting Final Results    +++++++++"		>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo ""								>> $log_file
report_timing   -path full_clock -nworst 10 -nets               \
                -transition_time -capacitance -attributes       \
                -sort_by slack                                  >> $log_file

echo ""								>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo "+++++++++ Area Report                +++++++++"		>> $log_file
echo "++++++++++++++++++++++++++++++++++++++++++++++"		>> $log_file
echo ""								>> $log_file

report_area                                                     >> $log_file
quit