156 lines
4.7 KiB
Tcl
156 lines
4.7 KiB
Tcl
# Test parasitic estimation with pi model / elmore, deletion, and override paths.
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source ../../test/helpers.tcl
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# Read ASAP7 libraries
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read_liberty ../../test/asap7/asap7sc7p5t_SEQ_RVT_FF_nldm_220123.lib
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read_liberty ../../test/asap7/asap7sc7p5t_INVBUF_RVT_FF_nldm_220122.lib.gz
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read_liberty ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz
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read_liberty ../../test/asap7/asap7sc7p5t_OA_RVT_FF_nldm_211120.lib.gz
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read_liberty ../../test/asap7/asap7sc7p5t_AO_RVT_FF_nldm_211120.lib.gz
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read_verilog ../../test/reg1_asap7.v
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link_design top
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create_clock -name clk -period 500 {clk1 clk2 clk3}
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set_input_delay -clock clk 1 {in1 in2}
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set_output_delay -clock clk 1 [get_ports out]
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set_input_transition 10 {in1 in2 clk1 clk2 clk3}
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set_propagated_clock {clk1 clk2 clk3}
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#---------------------------------------------------------------
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# Baseline without parasitics
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#---------------------------------------------------------------
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puts "--- baseline ---"
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report_checks
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#---------------------------------------------------------------
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# Set pi model with very small values
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#---------------------------------------------------------------
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puts "--- pi model very small ---"
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sta::set_pi_model u1/Y 0.00001 0.01 0.000005
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puts "set_pi_model u1/Y tiny: done"
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sta::set_elmore u1/Y u2/A 0.00001
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puts "set_elmore u1/Y->u2/A tiny: done"
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report_checks
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#---------------------------------------------------------------
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# Set pi model with medium values on multiple nets
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#---------------------------------------------------------------
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puts "--- pi model medium ---"
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sta::set_pi_model u2/Y 0.01 20.0 0.005
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puts "set_pi_model u2/Y medium: done"
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sta::set_elmore u2/Y r3/D 0.01
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puts "set_elmore u2/Y->r3/D: done"
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sta::set_pi_model r1/Q 0.05 50.0 0.02
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puts "set_pi_model r1/Q large: done"
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sta::set_elmore r1/Q u1/A 0.05
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puts "set_elmore r1/Q->u1/A: done"
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sta::set_pi_model r2/Q 0.03 30.0 0.01
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puts "set_pi_model r2/Q: done"
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sta::set_elmore r2/Q u2/B 0.02
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puts "set_elmore r2/Q->u2/B: done"
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report_checks
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#---------------------------------------------------------------
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# Different delay calculators with pi models
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#---------------------------------------------------------------
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puts "--- arnoldi with pi models ---"
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set_delay_calculator arnoldi
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report_checks
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report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max
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puts "arnoldi dcalc u1: done"
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report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max
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puts "arnoldi dcalc u2: done"
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puts "--- prima with pi models ---"
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set_delay_calculator prima
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report_checks
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puts "--- dmp_ceff_two_pole with pi models ---"
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set_delay_calculator dmp_ceff_two_pole
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report_checks
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report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max
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puts "two_pole dcalc u1: done"
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report_dcalc -from [get_pins r1/CLK] -to [get_pins r1/Q] -max
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puts "two_pole dcalc r1: done"
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puts "--- lumped_cap with pi models ---"
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set_delay_calculator lumped_cap
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report_checks
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report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max
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puts "lumped dcalc u1: done"
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#---------------------------------------------------------------
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# Re-set pi model (override path)
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#---------------------------------------------------------------
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puts "--- override pi model ---"
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set_delay_calculator dmp_ceff_elmore
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sta::set_pi_model u1/Y 0.02 25.0 0.01
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puts "re-set u1/Y: done"
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sta::set_pi_model u2/Y 0.005 10.0 0.002
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puts "re-set u2/Y: done"
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report_checks
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#---------------------------------------------------------------
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# Annotated delay reporting
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#---------------------------------------------------------------
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puts "--- annotated delay ---"
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report_annotated_delay -cell -net
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puts "annotated -cell -net: done"
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report_annotated_delay -from_in_ports -to_out_ports
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puts "annotated from/to: done"
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report_annotated_delay -report_annotated
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puts "annotated -report_annotated: done"
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report_annotated_delay -report_unannotated
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puts "annotated -report_unannotated: done"
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#---------------------------------------------------------------
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# Now load SPEF on top (tests delete/override paths)
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#---------------------------------------------------------------
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puts "--- SPEF override ---"
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read_spef ../../test/reg1_asap7.spef
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report_checks
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report_parasitic_annotation
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#---------------------------------------------------------------
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# Report nets after SPEF
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#---------------------------------------------------------------
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puts "--- report_net ---"
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foreach net_name {r1q r2q u1z u2z out in1 in2} {
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report_net -digits 4 $net_name
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puts "report_net $net_name: done"
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}
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#---------------------------------------------------------------
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# Re-read SPEF (second read exercises re-annotation)
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#---------------------------------------------------------------
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puts "--- re-read SPEF ---"
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read_spef ../../test/reg1_asap7.spef
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report_checks
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report_parasitic_annotation
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report_parasitic_annotation -report_unannotated
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