OpenSTA/search/test/search_sta_extra.tcl

# Test additional Sta.cc and Search.cc code paths
read_liberty ../../test/nangate45/Nangate45_typ.lib
read_verilog search_test1.v
link_design search_test1

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_output_delay -clock clk 2.0 [get_ports out1]

report_checks > /dev/null

puts "--- report_path_cmd on a path ---"
set paths [find_timing_paths -path_delay max]
foreach pe $paths {
  set p [$pe path]
  sta::report_path_cmd $p
  break
}

puts "--- report_path with json format ---"
sta::set_report_path_format json
set paths2 [find_timing_paths -path_delay max]
foreach pe $paths2 {
  set p [$pe path]
  sta::report_path_cmd $p
  break
}
sta::set_report_path_format full

puts "--- worstSlack single-arg form ---"
set ws [sta::worst_slack_cmd max]
puts "worst_slack: $ws"

puts "--- checkFanout via report_check_types ---"
set_max_fanout 2 [current_design]
report_check_types -max_fanout -verbose

puts "--- report_checks with -fields and various combos ---"
report_checks -fields {capacitance slew fanout} -format full
report_checks -fields {input_pin net} -format full
report_checks -fields {capacitance slew fanout input_pin net src_attr} -format full_clock
report_checks -fields {capacitance slew fanout input_pin net src_attr} -format full_clock_expanded
report_checks -fields {capacitance} -format short
report_checks -fields {slew} -format end

puts "--- report_checks with -slack_min and -slack_max ---"
report_checks -slack_max 0 -path_delay max
report_checks -slack_min -10 -path_delay max
report_checks -slack_max 100 -slack_min -100 -path_delay max

puts "--- set_report_path_field_properties ---"
sta::set_report_path_field_properties "delay" "Delay" 12 0
report_checks -path_delay max

puts "--- find_timing_paths with recovery/removal/gating_setup/gating_hold ---"
sta::set_recovery_removal_checks_enabled 1
sta::set_gated_clk_checks_enabled 1
set paths_all [find_timing_paths -path_delay max -endpoint_count 5 -group_path_count 5]
puts "Paths: [llength $paths_all]"
sta::set_recovery_removal_checks_enabled 0
sta::set_gated_clk_checks_enabled 0

puts "--- report_annotated_delay ---"
report_annotated_delay

puts "--- report_annotated_check ---"
report_annotated_check

puts "--- report_checks with -path_delay max_rise/max_fall/min_rise/min_fall ---"
report_checks -path_delay max_rise -format end
report_checks -path_delay max_fall -format end
report_checks -path_delay min_rise -format end
report_checks -path_delay min_fall -format end

puts "--- report_checks with -corner ---"
set corner [sta::cmd_scene]
report_checks -path_delay max -corner $corner

puts "--- set_report_path_no_split ---"
sta::set_report_path_no_split 1
report_checks -path_delay max
sta::set_report_path_no_split 0

puts "--- Edge detailed methods ---"
set edges [get_timing_edges -from [get_pins and1/A1] -to [get_pins and1/ZN]]
foreach edge $edges {
  puts "sim_timing_sense: [$edge sim_timing_sense]"
  puts "cond: [$edge cond]"
  puts "mode_name: [$edge mode_name]"
  puts "mode_value: [$edge mode_value]"
  puts "is_disabled_loop: [$edge is_disabled_loop]"
  puts "is_disabled_constraint: [$edge is_disabled_constraint]"
  puts "is_disabled_constant: [$edge is_disabled_constant]"
  puts "is_disabled_cond_default: [$edge is_disabled_cond_default]"
  puts "is_disabled_bidirect_inst_path: [$edge is_disabled_bidirect_inst_path]"
  # TODO: is_disabled_bidirect_net_path removed from SWIG
  puts "is_disabled_bidirect_net_path: skipped (API removed)"
  puts "is_disabled_preset_clear: [$edge is_disabled_preset_clear]"
  set dpins [$edge disabled_constant_pins]
  puts "disabled_constant_pins count: [llength $dpins]"
  set tarcs [$edge timing_arcs]
  foreach tarc $tarcs {
    set delays [$edge arc_delays $tarc]
    puts "arc_delays count: [llength $delays]"
    set dstrs [$edge arc_delay_strings $tarc 0 3]
    puts "arc_delay_strings count: [llength $dstrs]"
    set corner2 [sta::cmd_scene]
    puts "delay_annotated: [$edge delay_annotated $tarc $corner2 max]"
    break
  }
  break
}

puts "--- Vertex methods via worst_slack_vertex ---"
set wv [sta::worst_slack_vertex max]
if { $wv != "NULL" } {
  # TODO: Vertex is_clock and has_downstream_clk_pin removed from SWIG
  puts "worst_slack_vertex is_clock: skipped (API removed)"
  puts "worst_slack_vertex has_downstream_clk_pin: skipped (API removed)"
  puts "worst_slack_vertex is_disabled_constraint: skipped (API removed)"
}

puts "--- Vertex from PathEnd ---"
set paths_v [find_timing_paths -path_delay max]
foreach pe $paths_v {
  set v [$pe vertex]
  # TODO: Vertex is_clock and has_downstream_clk_pin removed from SWIG
  puts "pathend vertex is_clock: skipped (API removed)"
  puts "pathend vertex has_downstream_clk_pin: skipped (API removed)"
  break
}

puts "--- vertex_worst_arrival_path ---"
set warr [sta::vertex_worst_arrival_path $wv max]
if { $warr != "NULL" } {
  puts "worst_arrival_path pin: [get_full_name [$warr pin]]"
}

puts "--- vertex_worst_slack_path ---"
set wslk [sta::vertex_worst_slack_path $wv max]
if { $wslk != "NULL" } {
  puts "worst_slack_path pin: [get_full_name [$wslk pin]]"
}

puts "--- report_path_end with prev_end ---"
# report_path_end2 removed from API

puts "--- make_instance ---"
set and_cell2 [get_lib_cells NangateOpenCellLibrary/AND2_X1]
sta::make_instance new_inst $and_cell2
puts "make_instance: done"

puts "--- pocv_mode ---"
puts "pocv_mode: [sta::pocv_mode]"

puts "--- report_checks -summary format ---"
report_checks -path_delay max -format summary

puts "--- clear_sta ---"
sta::clear_sta