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set input delay when flop-driven, added run clock

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Madeleine Masser-Frye 2022-07-07 15:50:34 +00:00
parent 47a990d9f1
commit 8b92713cbd
1 changed files with 15 additions and 2 deletions
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17
synthDC/scripts/synth.tcl
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@ -3,6 +3,9 @@
# james.stine@okstate.edu 27 Sep 2015
#
# start run clock
set t1 [clock seconds]
# Ignore unnecessary warnings:
# intraassignment delays for nonblocking assignments are ignored
suppress_message {VER-130}
@ -132,8 +135,13 @@ if {$tech == "sky130"} {
}
# Set input/output delay
set_input_delay 0.0 -max -clock $my_clk $all_in_ex_clk
set_output_delay 0.0 -max -clock $my_clk [all_outputs]
if {$drive == "FLOP"} {
set_input_delay 0.1 -max -clock $my_clk $all_in_ex_clk
set_output_delay 0.1 -max -clock $my_clk [all_outputs]
} else {
set_input_delay 0.0 -max -clock $my_clk $all_in_ex_clk
set_output_delay 0.0 -max -clock $my_clk [all_outputs]
}
# Setting load constraint on output ports
if {$tech == "sky130"} {
@ -375,4 +383,9 @@ redirect $filename { report_constraint }
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"]
# redirect $filename { report_hierarchy }
# end run clock and echo run time in minutes
set t2 [clock seconds]
set t [expr $t2 - $t1]
echo [expr $t/60]
quit