OpenSTA/parasitics/test/parasitics_coupling.tcl

155 lines
5.0 KiB
Tcl

# Test manual parasitic creation with coupling caps
# Read ASAP7 libraries
read_liberty ../../test/asap7/asap7sc7p5t_SEQ_RVT_FF_nldm_220123.lib
read_liberty ../../test/asap7/asap7sc7p5t_INVBUF_RVT_FF_nldm_220122.lib.gz
read_liberty ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz
read_liberty ../../test/asap7/asap7sc7p5t_OA_RVT_FF_nldm_211120.lib.gz
read_liberty ../../test/asap7/asap7sc7p5t_AO_RVT_FF_nldm_211120.lib.gz
read_verilog ../../test/reg1_asap7.v
link_design top
create_clock -name clk -period 500 {clk1 clk2 clk3}
set_input_delay -clock clk 1 {in1 in2}
set_output_delay -clock clk 1 [get_ports out]
set_input_transition 10 {in1 in2 clk1 clk2 clk3}
set_propagated_clock {clk1 clk2 clk3}
#---------------------------------------------------------------
# Report before parasitics
#---------------------------------------------------------------
puts "--- before parasitics ---"
report_checks
report_parasitic_annotation
report_parasitic_annotation -report_unannotated
#---------------------------------------------------------------
# Set manual pi models on all driver pins
# set_pi_model drvr_pin c2 rpi c1
#---------------------------------------------------------------
puts "--- set_pi_model on drivers ---"
# Set pi model on u1/Y (driver of net u1z)
set msg [sta::set_pi_model u1/Y 0.005 10.0 0.003]
puts "set_pi_model u1/Y: $msg"
# Set pi model on u2/Y (driver of net u2z)
set msg [sta::set_pi_model u2/Y 0.008 15.0 0.005]
puts "set_pi_model u2/Y: $msg"
# Set pi model on r1/Q (driver of r1q)
set msg [sta::set_pi_model r1/Q 0.002 5.0 0.001]
puts "set_pi_model r1/Q: $msg"
# Set pi model on r2/Q (driver of r2q)
set msg [sta::set_pi_model r2/Q 0.002 5.0 0.001]
puts "set_pi_model r2/Q: $msg"
# Set pi model on r3/Q (driver of out)
set msg [sta::set_pi_model r3/Q 0.001 2.0 0.001]
puts "set_pi_model r3/Q: $msg"
#---------------------------------------------------------------
# Set elmore delays on load pins
# set_elmore drvr_pin load_pin elmore
#---------------------------------------------------------------
puts "--- set_elmore on loads ---"
# Elmore delays from u1/Y to its loads
set msg [sta::set_elmore u1/Y u2/A 0.005]
puts "set_elmore u1/Y -> u2/A: $msg"
# Elmore delays from u2/Y to its loads
set msg [sta::set_elmore u2/Y r3/D 0.008]
puts "set_elmore u2/Y -> r3/D: $msg"
# Elmore delays from r1/Q to loads
set msg [sta::set_elmore r1/Q u1/A 0.003]
puts "set_elmore r1/Q -> u1/A: $msg"
# Elmore delays from r2/Q to loads
set msg [sta::set_elmore r2/Q u2/B 0.003]
puts "set_elmore r2/Q -> u2/B: $msg"
# Elmore delays from r3/Q to out port
set msg [sta::set_elmore r3/Q out 0.002]
puts "set_elmore r3/Q -> out: $msg"
#---------------------------------------------------------------
# Check timing with manual parasitics
#---------------------------------------------------------------
puts "--- timing with manual parasitics ---"
report_checks
report_checks -path_delay min
report_checks -path_delay max
report_checks -from [get_ports in1] -to [get_ports out]
report_checks -from [get_ports in2] -to [get_ports out]
report_checks -fields {slew cap input_pins nets fanout}
#---------------------------------------------------------------
# Report parasitic annotation
#---------------------------------------------------------------
puts "--- parasitic annotation with manual ---"
report_parasitic_annotation
report_parasitic_annotation -report_unannotated
#---------------------------------------------------------------
# Report dcalc with parasitics
#---------------------------------------------------------------
puts "--- dcalc with manual parasitics ---"
report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max
puts "dcalc u1 A->Y: done"
report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max
puts "dcalc u2 A->Y: done"
report_dcalc -from [get_pins u2/B] -to [get_pins u2/Y] -max
puts "dcalc u2 B->Y: done"
report_dcalc -from [get_pins r1/CLK] -to [get_pins r1/Q] -max
puts "dcalc r1 CLK->Q: done"
report_dcalc -from [get_pins r2/CLK] -to [get_pins r2/Q] -max
puts "dcalc r2 CLK->Q: done"
report_dcalc -from [get_pins r3/CLK] -to [get_pins r3/Q] -max
puts "dcalc r3 CLK->Q: done"
#---------------------------------------------------------------
# Report nets with different digits
#---------------------------------------------------------------
puts "--- report_net with manual parasitics ---"
foreach net_name {r1q r2q u1z u2z out} {
report_net -digits 4 $net_name
puts "report_net $net_name: done"
}
#---------------------------------------------------------------
# Now override with SPEF
#---------------------------------------------------------------
puts "--- override with SPEF ---"
read_spef ../../test/reg1_asap7.spef
report_checks
report_parasitic_annotation
#---------------------------------------------------------------
# Report with different dcalcs after SPEF
#---------------------------------------------------------------
puts "--- dcalc after SPEF ---"
report_dcalc -from [get_pins u1/A] -to [get_pins u1/Y] -max
puts "dcalc u1 after SPEF: done"
report_dcalc -from [get_pins u2/A] -to [get_pins u2/Y] -max
puts "dcalc u2 after SPEF: done"