127 lines
4.2 KiB
Tcl
127 lines
4.2 KiB
Tcl
# Test multi-corner analysis, operating conditions, voltage,
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# analysis type changes, port external caps, wire caps.
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# Targets: Sta.cc setAnalysisType, setVoltage, setOperatingConditions,
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# setPortExtPinCap, setPortExtWireCap, setPortExtFanout, setNetWireCap,
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# connectedCap, portExtCaps, removeNetLoadCaps, setTimingDerate variants
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source ../../test/helpers.tcl
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read_liberty ../../test/nangate45/Nangate45_typ.lib
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read_verilog search_multicorner_analysis.v
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link_design search_multicorner_analysis
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create_clock -name clk -period 10 [get_ports clk]
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set_input_delay -clock clk 1.0 [get_ports in1]
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set_input_delay -clock clk 1.5 [get_ports in2]
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set_input_delay -clock clk 0.8 [get_ports in3]
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set_output_delay -clock clk 2.0 [get_ports out1]
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set_output_delay -clock clk 1.5 [get_ports out2]
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# Force initial timing
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report_checks > /dev/null
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puts "--- set_analysis_type bc_wc ---"
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set_operating_conditions -analysis_type bc_wc
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report_checks -path_delay max > /dev/null
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puts "--- set_analysis_type single ---"
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set_operating_conditions -analysis_type single
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report_checks -path_delay max > /dev/null
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puts "--- set_analysis_type on_chip_variation ---"
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set_operating_conditions -analysis_type on_chip_variation
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report_checks -path_delay max -format full_clock_expanded
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report_checks -path_delay min -format full_clock_expanded
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puts "--- set_voltage ---"
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set_voltage 1.1
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set_voltage 1.1 -min 0.9
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report_checks -path_delay max > /dev/null
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puts "--- set_voltage on net ---"
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set_voltage 1.2 -object_list [get_nets n1]
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set_voltage 1.2 -min 1.0 -object_list [get_nets n1]
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report_checks -path_delay max > /dev/null
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puts "--- set_load (port external pin cap) ---"
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set_load 0.05 [get_ports out1]
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set_load 0.03 [get_ports out2]
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report_checks -path_delay max
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puts "--- set_load with -min/-max ---"
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set_load -min 0.02 [get_ports out1]
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set_load -max 0.08 [get_ports out1]
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report_checks -path_delay max
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report_checks -path_delay min
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puts "--- set_load -wire_load ---"
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set_load -wire_load 0.01 [get_ports out1]
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report_checks -path_delay max > /dev/null
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puts "--- set_fanout_load ---"
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set_fanout_load 4 [get_ports out1]
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report_checks -path_delay max > /dev/null
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puts "--- Net capacitance ---"
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set corner [sta::cmd_corner]
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set net_cap [[get_nets n1] capacitance $corner max]
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puts "Net n1 capacitance: $net_cap"
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set pin_cap [[get_nets n1] pin_capacitance $corner max]
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puts "Net n1 pin_cap: $pin_cap"
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set wire_cap [[get_nets n1] wire_capacitance $corner max]
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puts "Net n1 wire_cap: $wire_cap"
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puts "--- set_wire_load_mode ---"
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set_wire_load_mode enclosed
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puts "--- report_checks with various fields after load changes ---"
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report_checks -fields {capacitance slew fanout} -path_delay max
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report_checks -fields {capacitance slew fanout} -path_delay min
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puts "--- set_input_transition ---"
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set_input_transition 0.5 [get_ports in1]
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set_input_transition 0.3 [get_ports in2]
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set_input_transition 0.4 [get_ports in3]
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report_checks -path_delay max -fields {slew}
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report_checks -path_delay min -fields {slew}
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puts "--- set_drive on port ---"
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set_drive 100 [get_ports in1]
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report_checks -path_delay max > /dev/null
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puts "--- set_driving_cell ---"
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set_driving_cell -lib_cell BUF_X1 -library NangateOpenCellLibrary [get_ports in1]
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report_checks -path_delay max -from [get_ports in1]
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puts "--- Timing derate with cell-level ---"
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set_timing_derate -early 0.95
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set_timing_derate -late 1.05
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report_checks -path_delay max > /dev/null
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set_timing_derate -early -cell_delay 0.93
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set_timing_derate -late -cell_delay 1.07
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report_checks -path_delay max > /dev/null
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set_timing_derate -early -net_delay 0.96
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set_timing_derate -late -net_delay 1.04
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report_checks -path_delay max > /dev/null
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unset_timing_derate
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puts "--- report_checks after all modifications ---"
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report_checks -path_delay max -format full_clock_expanded
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report_checks -path_delay min -format full_clock_expanded
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report_checks -path_delay max -format json
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puts "--- report_check_types verbose after modifications ---"
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report_check_types -verbose
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puts "--- write_sdc ---"
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set sdc_file [make_result_file "search_multicorner_analysis.sdc"]
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write_sdc $sdc_file
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puts "--- set_resistance on net ---"
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set_resistance 100 [get_nets n1]
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report_checks -path_delay max > /dev/null
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puts "--- set_max_area ---"
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set_max_area 1000
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puts "--- isClock / isPropagatedClock queries ---"
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