Create dc.tcl

syn/dc/dc.tcl

@@ -0,0 +1,246 @@
+source "scripts/dc/dc_setup.tcl"
+
+# Enable support for via RC estimation
+set_app_var spg_enable_via_resistance_support true
+
+# If we have a pre-compile don't use list, source it here
+if {[file exists [which ${LIBRARY_DONT_USE_PRE_COMPILE_LIST}]]} {
+  puts "RM-Info: Sourcing script file [which ${LIBRARY_DONT_USE_PRE_COMPILE_LIST}]\n"
+  source -echo -verbose $LIBRARY_DONT_USE_PRE_COMPILE_LIST
+}
+
+###############################################################################
+# Setup Formality Verification
+###############################################################################
+# Define the verification setup file for Formality
+set_svf ${RESULTS_DIR}/${SVF_OUTPUT_FILE}
+
+###############################################################################
+# Setup SAIF Name Mapping Database
+###############################################################################
+# Include an RTL SAIF for better power optimization and analysis.
+# saif_map should be issued prior to RTL elaboration to create a name mapping
+# database for better annotation.
+saif_map -start
+
+###############################################################################
+# Read and link the design
+###############################################################################
+# Define the folder to use for temporary files
+define_design_lib WORK -path ./WORK
+
+# Helps verification resolve differences between DC and FM
+set_app_var hdlin_enable_hier_map true
+
+# Acutually read in the verilog
+analyze -format sverilog ${RTL_SOURCE_FILES}
+elaborate ${DESIGN_NAME}
+current_design ${DESIGN_NAME}
+
+# Set the verification top level
+set_verification_top
+
+# Write out the fully elaborated design
+write -hierarchy -format ddc -output ${RESULTS_DIR}/${ELABORATED_DESIGN_DDC_OUTPUT_FILE}
+
+# Link the design
+link
+
+# Check design for consistancy
+check_design -summary
+check_design > ${REPORTS_DIR}/${CHECK_DESIGN_REPORT}
+
+###############################################################################
+# Apply Physical Design Constraints
+#
+# Optional: Floorplan information can be read in here if available.
+###############################################################################
+# Specify ignored layers for routing to improve correlation
+# Use the same ignored layers that will be used during place and route
+if { ${MIN_ROUTING_LAYER} != ""} {
+  set_ignored_layers -min_routing_layer ${MIN_ROUTING_LAYER}
+}
+if { ${MAX_ROUTING_LAYER} != ""} {
+  set_ignored_layers -max_routing_layer ${MAX_ROUTING_LAYER}
+}
+
+report_ignored_layers
+
+# Verify that all the desired physical constraints have been applied
+# Add the -pre_route option to include pre-routes in the report
+report_physical_constraints > ${REPORTS_DIR}/${DCT_PHYSICAL_CONSTRAINTS_REPORT}
+
+###############################################################################
+# Create the timing constraints
+###############################################################################
+# Our timing constraints are in a SDC file
+read_sdc ${SDC_INPUT_FILE}
+
+###############################################################################
+# Create Default Path Groups
+#
+# Separating these paths can help improve optimization.
+# Remove these path group settings if user path groups have already been defined.
+###############################################################################
+# Uncomment this if we have multiple active senarios
+# set current_scenario_saved [current_scenario]
+# foreach scenario [all_active_scenarios] {
+#   current_scenario ${scenario}
+#   set ports_clock_root [filter_collection [get_attribute [get_clocks] sources] object_class==port]
+#   group_path -name REGOUT -to [all_outputs] 
+#   group_path -name REGIN -from [remove_from_collection [all_inputs] ${ports_clock_root}] 
+#   group_path -name FEEDTHROUGH -from [remove_from_collection [all_inputs] ${ports_clock_root}] -to [all_outputs]
+# }
+# current_scenario ${current_scenario_saved}
+set ports_clock_root [filter_collection [get_attribute [get_clocks] sources] object_class==port]
+group_path -name REGOUT -to [all_outputs] 
+group_path -name REGIN -from [remove_from_collection [all_inputs] ${ports_clock_root}] 
+group_path -name FEEDTHROUGH -from [remove_from_collection [all_inputs] ${ports_clock_root}] -to [all_outputs]
+
+###############################################################################
+# Setup for first compile
+###############################################################################
+# The following variable, when set to true, runs additional optimizations to
+# improve the timing of the design at the cost of additional run time.
+set_app_var compile_timing_high_effort true
+
+# The following variable enables a mode of coarse placement in which cells are not distributed  
+# evenly  across the surface but are allowed to clump together for better QoR     
+set_app_var placer_max_cell_density_threshold 0.75        
+
+#Set the maximum utilization to 0.9 in congestion options 
+set_congestion_options -max_util 0.90
+
+# The following variable, when set to true, enables very high effort optimization to fix total negative slack 
+# Setting following variable to true may affect run time
+set_app_var psynopt_tns_high_effort true
+
+# Use the following variable to enable the physically aware clock gating 
+set_app_var power_cg_physically_aware_cg true
+
+#The following variable helps to reduce the total negative slack of the design
+set_app_var placer_tns_driven true
+
+# Enable low power placement.  
+# Low power placement affects the placement of cells, pulls them closer together, 
+# on nets with high switching activity to reduce the overall dynamic power of your design.  
+# set_app_var power_low_power_placement true
+
+# In MCMM flow use set_scenario_options -dynamic_power true 
+# set_dynamic_optimization true
+
+###############################################################################
+# First compile
+###############################################################################
+compile_ultra -spg -retime -gate_clock
+
+###############################################################################
+# Setup for incremental compile
+###############################################################################
+# Creating path groups to reduce TNS
+create_auto_path_groups -mode mapped
+
+# Enable congestion-driven  placement  in incremental compile to improve congestion
+set_app_var spg_congestion_placement_in_incremental_compile true
+
+# If we have an incremental don't use list, source it here
+if {[file exists [which ${LIBRARY_DONT_USE_PRE_INCR_COMPILE_LIST}]]} {
+  puts "Info: Sourcing script file [which ${LIBRARY_DONT_USE_PRE_INCR_COMPILE_LIST}]\n"
+  source -echo -verbose $LIBRARY_DONT_USE_PRE_INCR_COMPILE_LIST
+}
+
+###############################################################################
+# Incremental compile
+###############################################################################
+compile_ultra -incramental -spg
+
+# Remove paths created by create_auto_path_groups
+remove_auto_path_groups
+
+# Performs monotonic gate transformations that reduce area but do not increase
+# leakage or timing
+optimize_netlist -area
+
+###############################################################################
+# Write out final design
+###############################################################################
+# If this will be a sub-block in a hierarchical design, uniquify with block
+# unique names to avoid name collisions when integrating the design at the top
+# level
+set_app_var uniquify_naming_style "${DESIGN_NAME}_%s_%d"
+uniquify -force
+
+change_names -rules verilog -hierarchy
+
+# Write out the final design as a DDC file
+write -format ddc -hierarchy -output ${RESULTS_DIR}/${FINAL_DDC_OUTPUT_FILE}
+
+# Write and close SVF file and make it available for immediate use
+set_svf -off
+
+###############################################################################
+# Write out extra design data
+###############################################################################
+# Note: A secondary floorplan file $DCT_FINAL_FLOORPLAN_OUTPUT_FILE}.objects
+# might also be written to capture physical-only objects in the design.
+# This file should be read in before reading the main floorplan file.
+write_floorplan -all ${RESULTS_DIR}/${DCT_FINAL_FLOORPLAN_OUTPUT_FILE}
+
+# Do not write out net RC info into SDC
+set_app_var write_sdc_output_lumped_net_capacitance false
+set_app_var write_sdc_output_net_resistance false
+
+# Note: if you have more than one senario, loop over them here
+# set all_active_scenario_saved [all_active_scenarios]
+# set current_scenario_saved [current_scenario]
+# set_active_scenarios -all
+# foreach scenario [all_active_scenarios] {
+#   current_scenario ${scenario}
+#   write_parasitics
+#   write_sdf
+#   write_sdc
+#}
+# current_scenario ${current_scenario_saved}
+# set_active_scenarios ${all_active_scenario_saved}
+
+# Write parasitics data from Design Compiler Topographical placement for
+# static timing analysis
+write_parasitics -output ${RESULTS_DIR}/${DCT_FINAL_SPEF_OUTPUT_FILE}
+
+# Write SDF backannotation data from Design Compiler Topographical placement
+# for static timing analysis
+write_sdf ${RESULTS_DIR}/${DCT_FINAL_SDF_OUTPUT_FILE}
+
+# Write timing constraints
+write_sdc -nosplit ${RESULTS_DIR}/${FINAL_SDC_OUTPUT_FILE}
+
+# Write the map between pre and post sythesis names for timing analysis
+saif_map -type ptpx -write_map ${RESULTS_DIR}/${DESIGN_NAME}.mapped.SAIF.namemap
+
+###############################################################################
+# Write out final reports
+###############################################################################
+report_qor > ${REPORTS_DIR}/${FINAL_QOR_REPORT}
+
+# Timing
+report_timing -transition_time -nets -attributes -nosplit > ${REPORTS_DIR}/${FINAL_TIMING_REPORT}
+
+# Area
+report_area -physical -nosplit > ${REPORTS_DIR}/${FINAL_AREA_REPORT}
+report_area -designware  > ${REPORTS_DIR}/${FINAL_DESIGNWARE_AREA_REPORT}
+report_resources -hierarchy > ${REPORTS_DIR}/${FINAL_RESOURCES_REPORT}
+
+# Power
+# Use SAIF file for power analysis
+# set current_scenario_saved [current_scenario]
+# foreach scenario [all_active_scenarios] {
+#   current_scenario ${scenario}
+#   read_saif -auto_map_names -input ${DESIGN_NAME}.${scenario}.saif -instance < DESIGN_INSTANCE > -verbose
+# }
+# current_scenario ${current_scenario_saved}
+report_power -nosplit > ${REPORTS_DIR}/${FINAL_POWER_REPORT}
+report_clock_gating -nosplit > ${REPORTS_DIR}/${FINAL_CLOCK_GATING_REPORT}
+report_threshold_voltage_group -nosplit > ${REPORTS_DIR}/${THRESHOLD_VOLTAGE_GROUP_REPORT}
+
+# Congestion
+report_congestion > ${REPORTS_DIR}/${DCT_FINAL_CONGESTION_REPORT}