149 lines
4.9 KiB
Tcl
149 lines
4.9 KiB
Tcl
# Test parasitic reduction and various delay calculators with parasitics
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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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# Read SPEF with reduce=true (default)
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#---------------------------------------------------------------
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puts "--- read_spef with reduction ---"
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read_spef ../../test/reg1_asap7.spef
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#---------------------------------------------------------------
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# Run timing with different delay calculators to exercise
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# parasitic reduction paths
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#---------------------------------------------------------------
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# Default (dmp_ceff_elmore) - exercises reduce for Pi/Elmore
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puts "--- dmp_ceff_elmore with reduced parasitics ---"
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report_checks
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report_checks -from [get_ports in1] -to [get_ports out]
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report_checks -from [get_ports in2] -to [get_ports out]
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report_checks -fields {slew cap input_pins}
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# Arnoldi - exercises arnoldi reduction
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puts "--- arnoldi with parasitics (reduction) ---"
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set_delay_calculator arnoldi
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report_checks
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report_checks -from [get_ports in1] -to [get_ports out] -fields {slew cap}
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report_checks -from [get_ports in2] -to [get_ports out] -fields {slew cap}
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# More detailed report_dcalc to exercise parasitic queries
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set msg [report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max]
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puts "arnoldi dcalc u1: $msg"
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set msg [report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max]
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puts "arnoldi dcalc u2 A->Y: $msg"
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set msg [report_dcalc -from [get_pins u2/B] -to [get_pins u2/Y] -max]
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puts "arnoldi dcalc u2 B->Y: $msg"
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set msg [report_dcalc -from [get_pins r1/CLK] -to [get_pins r1/Q] -max]
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puts "arnoldi dcalc r1 CLK->Q: $msg"
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set msg [report_dcalc -from [get_pins r2/CLK] -to [get_pins r2/Q] -max]
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puts "arnoldi dcalc r2 CLK->Q: $msg"
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set msg [report_dcalc -from [get_pins r3/CLK] -to [get_pins r3/Q] -max]
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puts "arnoldi dcalc r3 CLK->Q: $msg"
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# Prima - exercises prima reduction paths
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puts "--- prima with parasitics ---"
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set msg [set_delay_calculator prima]
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puts "set_delay_calculator prima: $msg"
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report_checks
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report_checks -from [get_ports in1] -to [get_ports out] -fields {slew cap}
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set msg [report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max]
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puts "prima dcalc u1: $msg"
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set msg [report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max]
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puts "prima dcalc u2: $msg"
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set msg [report_dcalc -from [get_pins r1/CLK] -to [get_pins r1/Q] -max]
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puts "prima dcalc r1: $msg"
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# dmp_ceff_two_pole - exercises two_pole reduction
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puts "--- dmp_ceff_two_pole with parasitics ---"
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set_delay_calculator dmp_ceff_two_pole
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report_checks
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report_checks -path_delay min
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set msg [report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max]
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puts "dmp_ceff_two_pole dcalc u1: $msg"
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set msg [report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max]
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puts "dmp_ceff_two_pole dcalc u2: $msg"
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set msg [report_dcalc -from [get_pins r1/CLK] -to [get_pins r1/Q] -max]
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puts "dmp_ceff_two_pole dcalc r1: $msg"
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#---------------------------------------------------------------
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# Lumped cap
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#---------------------------------------------------------------
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puts "--- lumped_cap with parasitics ---"
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set_delay_calculator lumped_cap
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report_checks
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set msg [report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max]
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puts "lumped_cap dcalc u1: $msg"
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report_checks -fields {slew cap}
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#---------------------------------------------------------------
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# Annotated delay reporting
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#---------------------------------------------------------------
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puts "--- annotated delay reporting ---"
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set_delay_calculator dmp_ceff_elmore
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set msg [report_annotated_delay -cell -net]
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puts "annotated_delay -cell -net: $msg"
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set msg [report_annotated_delay -from_in_ports -to_out_ports]
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puts "annotated_delay -from_in_ports -to_out_ports: $msg"
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set msg [report_annotated_delay -cell]
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puts "annotated_delay -cell: $msg"
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set msg [report_annotated_delay -net]
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puts "annotated_delay -net: $msg"
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set msg [report_annotated_delay -report_annotated]
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puts "annotated_delay -report_annotated: $msg"
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set msg [report_annotated_delay -report_unannotated]
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puts "annotated_delay -report_unannotated: $msg"
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#---------------------------------------------------------------
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# Report net with -digits on various nets
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#---------------------------------------------------------------
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puts "--- report_net with various nets ---"
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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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