185 lines
6.2 KiB
Tcl
185 lines
6.2 KiB
Tcl
# Test advanced delay calculation scenarios for coverage improvement
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# Targets: DmpDelayCalc.cc (dmp_ceff_two_pole paths, DmpCeff error paths)
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# ArcDelayCalc.cc (additional arc types)
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# GraphDelayCalc.cc (more paths through delay graph computation)
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# NetCaps.cc (net capacitance queries)
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# UnitDelayCalc.cc (more paths through unit delay calc)
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# PrimaDelayCalc.cc (prima delay calculator)
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# CcsCeffDelayCalc.cc (ccs_ceff calculator)
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read_liberty ../../test/nangate45/Nangate45_typ.lib
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read_verilog dcalc_test1.v
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link_design dcalc_test1
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create_clock -name clk -period 10 [get_ports clk]
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set_input_delay -clock clk 0 [get_ports in1]
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set_output_delay -clock clk 0 [get_ports out1]
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#---------------------------------------------------------------
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# Test with various set_load values to exercise NetCaps paths
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#---------------------------------------------------------------
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puts "--- set_load variations ---"
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set_load 0.001 [get_ports out1]
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report_checks
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puts "PASS: report_checks with 1fF load"
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set_load 0.1 [get_ports out1]
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report_checks
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puts "PASS: report_checks with 100fF load"
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set_load 1.0 [get_ports out1]
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report_checks
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puts "PASS: report_checks with 1pF load"
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# Reset load
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set_load 0 [get_ports out1]
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#---------------------------------------------------------------
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# Test set_input_transition with various values
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#---------------------------------------------------------------
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puts "--- set_input_transition ---"
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set_input_transition 0.01 [get_ports in1]
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report_checks
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puts "PASS: report_checks with 10ps input transition"
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set_input_transition 0.5 [get_ports in1]
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report_checks
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puts "PASS: report_checks with 500ps input transition"
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set_input_transition 0.1 [get_ports in1]
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#---------------------------------------------------------------
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# Test report_dcalc for all arcs in the design
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#---------------------------------------------------------------
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puts "--- report_dcalc all arcs ---"
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# BUF arcs
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -max} msg
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puts "dcalc buf1 A->Z max: $msg"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -min} msg
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puts "dcalc buf1 A->Z min: $msg"
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# INV arcs
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catch {report_dcalc -from [get_pins inv1/A] -to [get_pins inv1/ZN] -max} msg
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puts "dcalc inv1 A->ZN max: $msg"
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catch {report_dcalc -from [get_pins inv1/A] -to [get_pins inv1/ZN] -min} msg
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puts "dcalc inv1 A->ZN min: $msg"
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# DFF clock-to-Q
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/Q] -max} msg
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puts "dcalc reg1 CK->Q max: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/Q] -min} msg
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puts "dcalc reg1 CK->Q min: $msg"
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# DFF setup/hold
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/D] -max} msg
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puts "dcalc reg1 setup max: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/D] -min} msg
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puts "dcalc reg1 hold min: $msg"
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# report_dcalc with digits
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -digits 8} msg
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puts "dcalc buf1 A->Z 8 digits: $msg"
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#---------------------------------------------------------------
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# Unit delay calculator
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#---------------------------------------------------------------
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puts "--- unit delay calculator ---"
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set_delay_calculator unit
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report_checks -from [get_ports in1] -to [get_ports out1]
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puts "PASS: unit report_checks"
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report_checks -path_delay min
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puts "PASS: unit min path"
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report_checks -path_delay max
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puts "PASS: unit max path"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z]} msg
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puts "unit dcalc buf1: $msg"
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catch {report_dcalc -from [get_pins inv1/A] -to [get_pins inv1/ZN]} msg
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puts "unit dcalc inv1: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/Q]} msg
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puts "unit dcalc reg1 CK->Q: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/D]} msg
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puts "unit dcalc reg1 setup: $msg"
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report_checks -fields {slew cap}
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puts "PASS: unit with fields"
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#---------------------------------------------------------------
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# lumped_cap delay calculator
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#---------------------------------------------------------------
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puts "--- lumped_cap delay calculator ---"
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set_delay_calculator lumped_cap
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report_checks -from [get_ports in1] -to [get_ports out1]
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puts "PASS: lumped_cap report_checks"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -max} msg
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puts "lumped_cap dcalc buf1: $msg"
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catch {report_dcalc -from [get_pins inv1/A] -to [get_pins inv1/ZN] -max} msg
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puts "lumped_cap dcalc inv1: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/Q] -max} msg
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puts "lumped_cap dcalc reg1: $msg"
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report_checks -fields {slew cap input_pins}
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puts "PASS: lumped_cap with fields"
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#---------------------------------------------------------------
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# dmp_ceff_elmore (default) delay calculator
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#---------------------------------------------------------------
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puts "--- dmp_ceff_elmore delay calculator ---"
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set_delay_calculator dmp_ceff_elmore
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report_checks -from [get_ports in1] -to [get_ports out1]
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puts "PASS: dmp_ceff_elmore report_checks"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z]} msg
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puts "dmp_ceff_elmore dcalc buf1: $msg"
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#---------------------------------------------------------------
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# dmp_ceff_two_pole delay calculator
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#---------------------------------------------------------------
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puts "--- dmp_ceff_two_pole delay calculator ---"
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set_delay_calculator dmp_ceff_two_pole
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report_checks -from [get_ports in1] -to [get_ports out1]
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puts "PASS: dmp_ceff_two_pole report_checks"
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report_checks -path_delay min
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puts "PASS: dmp_ceff_two_pole min path"
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report_checks -path_delay max
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puts "PASS: dmp_ceff_two_pole max path"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -max} msg
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puts "dmp_ceff_two_pole dcalc buf1 max: $msg"
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catch {report_dcalc -from [get_pins buf1/A] -to [get_pins buf1/Z] -min} msg
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puts "dmp_ceff_two_pole dcalc buf1 min: $msg"
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catch {report_dcalc -from [get_pins inv1/A] -to [get_pins inv1/ZN] -max} msg
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puts "dmp_ceff_two_pole dcalc inv1: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/Q] -max} msg
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puts "dmp_ceff_two_pole dcalc reg1 CK->Q: $msg"
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catch {report_dcalc -from [get_pins reg1/CK] -to [get_pins reg1/D] -max} msg
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puts "dmp_ceff_two_pole dcalc reg1 setup: $msg"
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report_checks -fields {slew cap input_pins}
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puts "PASS: dmp_ceff_two_pole with fields"
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puts "ALL PASSED"
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