222 lines
8.1 KiB
Tcl
222 lines
8.1 KiB
Tcl
# Test limit violation reporting in verbose mode, check_timing deeper,
|
|
# and various check types with specific flags.
|
|
# Targets: Sta.cc checkSlewLimits, reportSlewLimitVerbose/Short,
|
|
# checkFanoutLimits, reportFanoutLimitVerbose/Short,
|
|
# checkCapacitanceLimits, reportCapacitanceLimitVerbose/Short,
|
|
# maxSlewCheck, maxFanoutCheck, maxCapacitanceCheck,
|
|
# checkSlew, checkFanout, checkCapacitance,
|
|
# CheckSlewLimits.cc, CheckFanoutLimits.cc, CheckCapacitanceLimits.cc,
|
|
# CheckTiming.cc checkTiming deeper (individual flags),
|
|
# ReportPath.cc reportSlewLimitShortHeader, reportFanoutLimitShortHeader,
|
|
# reportCapacitanceLimitShortHeader
|
|
source ../../test/helpers.tcl
|
|
|
|
read_liberty ../../test/nangate45/Nangate45_typ.lib
|
|
read_verilog search_limit_violations.v
|
|
link_design search_limit_violations
|
|
|
|
create_clock -name clk -period 10 [get_ports clk]
|
|
set_input_delay -clock clk 1.0 [get_ports in1]
|
|
set_input_delay -clock clk 1.0 [get_ports in2]
|
|
set_input_delay -clock clk 1.0 [get_ports in3]
|
|
set_input_delay -clock clk 1.0 [get_ports in4]
|
|
set_output_delay -clock clk 2.0 [get_ports out1]
|
|
set_output_delay -clock clk 2.0 [get_ports out2]
|
|
set_output_delay -clock clk 2.0 [get_ports out3]
|
|
|
|
report_checks > /dev/null
|
|
|
|
############################################################
|
|
# Slew limit checks
|
|
############################################################
|
|
puts "--- set_max_transition ---"
|
|
set_max_transition 0.01 [current_design]
|
|
|
|
puts "--- report_check_types -max_slew ---"
|
|
report_check_types -max_slew
|
|
|
|
puts "--- report_check_types -max_slew -verbose ---"
|
|
report_check_types -max_slew -verbose
|
|
|
|
puts "--- report_check_types -max_slew -violators ---"
|
|
report_check_types -max_slew -violators
|
|
|
|
puts "--- report_check_types -max_slew -violators -verbose ---"
|
|
report_check_types -max_slew -violators -verbose
|
|
|
|
puts "--- max_slew_violation_count ---"
|
|
set svc [sta::max_slew_violation_count]
|
|
puts "max slew violations: $svc"
|
|
|
|
puts "--- max_slew_check_slack ---"
|
|
set ss [sta::max_slew_check_slack]
|
|
set sl [sta::max_slew_check_limit]
|
|
puts "max slew slack: $ss limit: $sl"
|
|
|
|
############################################################
|
|
# Fanout limit checks
|
|
############################################################
|
|
puts "--- set_max_fanout ---"
|
|
set_max_fanout 2 [current_design]
|
|
|
|
puts "--- report_check_types -max_fanout ---"
|
|
report_check_types -max_fanout
|
|
|
|
puts "--- report_check_types -max_fanout -verbose ---"
|
|
report_check_types -max_fanout -verbose
|
|
|
|
puts "--- report_check_types -max_fanout -violators ---"
|
|
report_check_types -max_fanout -violators
|
|
|
|
puts "--- report_check_types -max_fanout -violators -verbose ---"
|
|
report_check_types -max_fanout -violators -verbose
|
|
|
|
puts "--- max_fanout_violation_count ---"
|
|
set fvc [sta::max_fanout_violation_count]
|
|
puts "max fanout violations: $fvc"
|
|
|
|
puts "--- max_fanout_check_slack ---"
|
|
set fs [sta::max_fanout_check_slack]
|
|
set fl [sta::max_fanout_check_limit]
|
|
puts "max fanout slack: $fs limit: $fl"
|
|
|
|
############################################################
|
|
# Capacitance limit checks
|
|
############################################################
|
|
puts "--- set_max_capacitance ---"
|
|
set_max_capacitance 0.001 [current_design]
|
|
|
|
puts "--- report_check_types -max_capacitance ---"
|
|
report_check_types -max_capacitance
|
|
|
|
puts "--- report_check_types -max_capacitance -verbose ---"
|
|
report_check_types -max_capacitance -verbose
|
|
|
|
puts "--- report_check_types -max_capacitance -violators ---"
|
|
report_check_types -max_capacitance -violators
|
|
|
|
puts "--- report_check_types -max_capacitance -violators -verbose ---"
|
|
report_check_types -max_capacitance -violators -verbose
|
|
|
|
puts "--- max_capacitance_violation_count ---"
|
|
set cvc [sta::max_capacitance_violation_count]
|
|
puts "max cap violations: $cvc"
|
|
|
|
puts "--- max_capacitance_check_slack ---"
|
|
set cs [sta::max_capacitance_check_slack]
|
|
set cl [sta::max_capacitance_check_limit]
|
|
puts "max cap slack: $cs limit: $cl"
|
|
|
|
############################################################
|
|
# All check types together
|
|
############################################################
|
|
puts "--- report_check_types (all) ---"
|
|
report_check_types
|
|
|
|
puts "--- report_check_types -verbose ---"
|
|
report_check_types -verbose
|
|
|
|
puts "--- report_check_types -violators ---"
|
|
report_check_types -violators
|
|
|
|
puts "--- report_check_types -violators -verbose ---"
|
|
report_check_types -violators -verbose
|
|
|
|
############################################################
|
|
# Min slew checks
|
|
############################################################
|
|
puts "--- report_check_types -min_slew ---"
|
|
report_check_types -min_slew
|
|
|
|
puts "--- report_check_types -min_slew -verbose ---"
|
|
report_check_types -min_slew -verbose
|
|
|
|
############################################################
|
|
# Min fanout / min capacitance
|
|
############################################################
|
|
puts "--- report_check_types -min_fanout ---"
|
|
report_check_types -min_fanout
|
|
|
|
puts "--- report_check_types -min_capacitance ---"
|
|
report_check_types -min_capacitance
|
|
|
|
############################################################
|
|
# check_slew_limits for specific net
|
|
############################################################
|
|
puts "--- check_slew_limits specific net ---"
|
|
# TODO: sta::check_slew_limits removed from SWIG interface; use report_slew_checks
|
|
# set net [get_nets n7]
|
|
# set slew_pins [sta::check_slew_limits $net 0 "NULL" max]
|
|
# puts "slew limit pins for n7: [llength $slew_pins]"
|
|
# foreach p $slew_pins {
|
|
# sta::report_slew_limit_short_header
|
|
# sta::report_slew_limit_short $p "NULL" max
|
|
# sta::report_slew_limit_verbose $p "NULL" max
|
|
# }
|
|
puts "check_slew_limits: skipped (API removed)"
|
|
|
|
############################################################
|
|
# check_fanout_limits for specific net
|
|
############################################################
|
|
puts "--- check_fanout_limits specific net ---"
|
|
# TODO: sta::check_fanout_limits removed from SWIG interface; use report_fanout_checks
|
|
# set fan_pins [sta::check_fanout_limits $net 0 max]
|
|
# puts "fanout limit pins for n7: [llength $fan_pins]"
|
|
# foreach p $fan_pins {
|
|
# sta::report_fanout_limit_short_header
|
|
# sta::report_fanout_limit_short $p max
|
|
# sta::report_fanout_limit_verbose $p max
|
|
# }
|
|
puts "check_fanout_limits: skipped (API removed)"
|
|
|
|
############################################################
|
|
# check_capacitance_limits for specific net
|
|
############################################################
|
|
puts "--- check_capacitance_limits specific net ---"
|
|
# TODO: sta::check_capacitance_limits removed from SWIG interface; use report_capacitance_checks
|
|
# set cap_pins [sta::check_capacitance_limits $net 0 "NULL" max]
|
|
# puts "cap limit pins for n7: [llength $cap_pins]"
|
|
# foreach p $cap_pins {
|
|
# sta::report_capacitance_limit_short_header
|
|
# sta::report_capacitance_limit_short $p "NULL" max
|
|
# sta::report_capacitance_limit_verbose $p "NULL" max
|
|
# }
|
|
puts "check_capacitance_limits: skipped (API removed)"
|
|
|
|
############################################################
|
|
# report_check_types with -format end
|
|
############################################################
|
|
puts "--- report_check_types -max_delay -format end ---"
|
|
report_check_types -max_delay -format end
|
|
|
|
puts "--- report_check_types -min_delay -format slack_only ---"
|
|
report_check_types -min_delay -format slack_only
|
|
|
|
############################################################
|
|
# check_setup individual flags
|
|
############################################################
|
|
puts "--- check_setup -no_input_delay ---"
|
|
check_setup -verbose -no_input_delay
|
|
|
|
puts "--- check_setup -no_output_delay ---"
|
|
check_setup -verbose -no_output_delay
|
|
|
|
puts "--- check_setup -no_clock ---"
|
|
check_setup -verbose -no_clock
|
|
|
|
puts "--- check_setup -multiple_clock ---"
|
|
check_setup -verbose -multiple_clock
|
|
|
|
puts "--- check_setup -unconstrained_endpoints ---"
|
|
check_setup -verbose -unconstrained_endpoints
|
|
|
|
puts "--- check_setup -loops ---"
|
|
check_setup -verbose -loops
|
|
|
|
############################################################
|
|
# Endpoint violation counts
|
|
############################################################
|
|
puts "--- endpoint_violation_count ---"
|
|
puts "max violations: [sta::endpoint_violation_count max]"
|
|
puts "min violations: [sta::endpoint_violation_count min]"
|