140 lines
4.6 KiB
Tcl
140 lines
4.6 KiB
Tcl
# Test slew, capacitance, fanout limit checks with actual violations.
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# Targets: Sta.cc checkSlewLimits, checkCapacitanceLimits, checkFanoutLimits,
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# reportSlewLimitShort/Verbose, reportCapacitanceLimitShort/Verbose,
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# reportFanoutLimitShort/Verbose, checkSlew, maxSlewCheck,
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# checkFanout, maxFanoutCheck, checkCapacitance, maxCapacitanceCheck,
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# CheckSlewLimits.cc, CheckCapacitanceLimits.cc, CheckFanoutLimits.cc,
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# CheckMinPulseWidths.cc, CheckMinPeriods.cc, CheckMaxSkews.cc
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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_limit_violations.v
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link_design search_limit_violations
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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 1.0 [get_ports in2]
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set_input_delay -clock clk 1.0 [get_ports in3]
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set_input_delay -clock clk 1.0 [get_ports in4]
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set_output_delay -clock clk 2.0 [get_ports out1]
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set_output_delay -clock clk 2.0 [get_ports out2]
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set_output_delay -clock clk 2.0 [get_ports out3]
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report_checks -path_delay max > /dev/null
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puts "=== SLEW LIMIT CHECKS ==="
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puts "--- set_max_transition tight limit ---"
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set_max_transition 0.001 [current_design]
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report_check_types -max_slew -verbose
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puts "--- report_check_types -max_slew only ---"
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report_check_types -max_slew
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puts "--- report_check_types -max_slew -violators ---"
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report_check_types -max_slew -violators
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puts "--- set_max_transition on clock ---"
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set_max_transition 0.002 -clock_path [get_clocks clk]
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report_check_types -max_slew -verbose
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puts "--- set_max_transition on port ---"
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set_max_transition 0.003 [get_ports out1]
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report_check_types -max_slew -verbose
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puts "=== CAPACITANCE LIMIT CHECKS ==="
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puts "--- set_max_capacitance tight limit ---"
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set_max_capacitance 0.0001 [current_design]
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report_check_types -max_capacitance -verbose
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puts "--- report_check_types -max_capacitance only ---"
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report_check_types -max_capacitance
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puts "--- report_check_types -max_capacitance -violators ---"
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report_check_types -max_capacitance -violators
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puts "--- set_max_capacitance on port ---"
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set_max_capacitance 0.0002 [get_ports out1]
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report_check_types -max_capacitance -verbose
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puts "=== FANOUT LIMIT CHECKS ==="
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puts "--- set_max_fanout tight limit ---"
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set_max_fanout 1 [current_design]
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report_check_types -max_fanout -verbose
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puts "--- report_check_types -max_fanout only ---"
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report_check_types -max_fanout
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puts "--- report_check_types -max_fanout -violators ---"
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report_check_types -max_fanout -violators
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puts "--- set_max_fanout on port ---"
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set_max_fanout 2 [get_ports in1]
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report_check_types -max_fanout -verbose
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puts "=== PULSE WIDTH CHECKS ==="
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puts "--- report_min_pulse_width_checks ---"
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report_check_types -min_pulse_width
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puts "--- report_min_pulse_width_checks -verbose ---"
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report_check_types -min_pulse_width -verbose
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puts "--- report_min_pulse_width_checks on specific pin ---"
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# TODO: report_min_pulse_width_checks with pin arg removed (no Tcl wrapper)
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# report_min_pulse_width_checks [get_pins reg1/CK]
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# report_min_pulse_width_checks [get_pins reg2/CK]
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puts "report_min_pulse_width_checks pin: skipped (API removed)"
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puts "--- set_min_pulse_width ---"
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set_min_pulse_width 5.0 [get_clocks clk]
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report_check_types -min_pulse_width -verbose
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set_min_pulse_width -high 4.0 [get_pins reg1/CK]
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# TODO: report_min_pulse_width_checks with pin arg removed (no Tcl wrapper)
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# report_min_pulse_width_checks [get_pins reg1/CK]
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puts "report_min_pulse_width_checks pin: skipped (API removed)"
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set_min_pulse_width -low 3.0 [get_cells reg1]
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report_check_types -min_pulse_width -verbose
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puts "--- report_check_types -min_pulse_width ---"
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report_check_types -min_pulse_width
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report_check_types -min_pulse_width -verbose
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puts "=== MIN PERIOD CHECKS ==="
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puts "--- report_clock_min_period ---"
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report_clock_min_period
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puts "--- report_clock_min_period -include_port_paths ---"
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report_clock_min_period -include_port_paths
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puts "--- report_clock_min_period -clocks ---"
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report_clock_min_period -clocks clk
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puts "--- Tight clock period for min_period violations ---"
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create_clock -name clk -period 0.01 [get_ports clk]
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report_check_types -min_period -verbose
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report_check_types -min_period
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report_check_types -min_period -violators
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puts "--- report_clock_min_period with violation ---"
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report_clock_min_period
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puts "=== MAX SKEW CHECKS ==="
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puts "--- report_check_types -max_skew ---"
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report_check_types -max_skew
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report_check_types -max_skew -verbose
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puts "=== COMBINED CHECKS ==="
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puts "--- report_check_types -violators (all) ---"
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report_check_types -violators
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puts "--- report_check_types verbose (all) ---"
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report_check_types -verbose
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