# Test multi-corner parasitics
# Exercises: read_spef with -corner, report_checks per corner, parasitic annotation per corner

define_corners fast slow

# Read ASAP7 libraries for both corners
read_liberty -corner fast ../../test/asap7/asap7sc7p5t_SEQ_RVT_FF_nldm_220123.lib
read_liberty -corner fast ../../test/asap7/asap7sc7p5t_INVBUF_RVT_FF_nldm_220122.lib.gz
read_liberty -corner fast ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz
read_liberty -corner fast ../../test/asap7/asap7sc7p5t_OA_RVT_FF_nldm_211120.lib.gz
read_liberty -corner fast ../../test/asap7/asap7sc7p5t_AO_RVT_FF_nldm_211120.lib.gz

read_liberty -corner slow ../../test/asap7/asap7sc7p5t_SEQ_RVT_SS_nldm_220123.lib
read_liberty -corner slow ../../test/asap7/asap7sc7p5t_INVBUF_RVT_SS_nldm_220122.lib.gz
read_liberty -corner slow ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_SS_nldm_211120.lib.gz
read_liberty -corner slow ../../test/asap7/asap7sc7p5t_OA_RVT_SS_nldm_211120.lib.gz
read_liberty -corner slow ../../test/asap7/asap7sc7p5t_AO_RVT_SS_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}

#---------------------------------------------------------------
# Read SPEF for each corner
#---------------------------------------------------------------
puts "--- Reading SPEF per corner ---"
read_spef -corner fast ../../test/reg1_asap7.spef

read_spef -corner slow ../../test/reg1_asap7.spef

#---------------------------------------------------------------
# report_checks per corner
#---------------------------------------------------------------
puts "--- Fast corner timing with parasitics ---"
report_checks -corner fast

report_checks -corner fast -path_delay min

report_checks -corner fast -path_delay max

report_checks -corner fast -fields {slew cap input_pins} -format full_clock

puts "--- Slow corner timing with parasitics ---"
report_checks -corner slow

report_checks -corner slow -path_delay min

report_checks -corner slow -path_delay max

report_checks -corner slow -fields {slew cap input_pins} -format full_clock

#---------------------------------------------------------------
# report_dcalc per corner with parasitics
#---------------------------------------------------------------
puts "--- report_dcalc per corner ---"

set msg [report_dcalc -corner fast -from [get_pins u1/A] -to [get_pins u1/Y]]
puts $msg

set msg [report_dcalc -corner slow -from [get_pins u1/A] -to [get_pins u1/Y]]
puts $msg

set msg [report_dcalc -corner fast -from [get_pins u2/A] -to [get_pins u2/Y]]
puts $msg

set msg [report_dcalc -corner slow -from [get_pins u2/A] -to [get_pins u2/Y]]
puts $msg

set msg [report_dcalc -corner fast -from [get_pins r1/CLK] -to [get_pins r1/Q]]
puts $msg

set msg [report_dcalc -corner slow -from [get_pins r1/CLK] -to [get_pins r1/Q]]
puts $msg

#---------------------------------------------------------------
# report_net per corner
#---------------------------------------------------------------
puts "--- report_net per corner ---"

set msg [report_net -corner fast r1q]
puts $msg

set msg [report_net -corner slow r1q]
puts $msg

set msg [report_net -corner fast u2z]
puts $msg

set msg [report_net -corner slow u2z]
puts $msg

#---------------------------------------------------------------
# Cross-corner comparison via report_checks
#---------------------------------------------------------------
puts "--- Cross-corner path comparison ---"
report_checks -corner fast -from [get_ports in1] -to [get_ports out]

report_checks -corner slow -from [get_ports in1] -to [get_ports out]

report_checks -corner fast -from [get_ports in2] -to [get_ports out]

report_checks -corner slow -from [get_ports in2] -to [get_ports out]