From 27a79948477b5156152c7061c1cf88041bc4bef1 Mon Sep 17 00:00:00 2001
From: "James E. Stine" <james.stine@okstate.edu>
Date: Fri, 15 Dec 2023 17:21:24 -0600
Subject: [PATCH] Modify DC to export spef for DC extraction of parasitics. 
 This file can be used to read in an ancillary tool (e.g., snps PrimeTime) to
 get more detail on power estimation

---
 synthDC/scripts/synth.tcl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/synthDC/scripts/synth.tcl b/synthDC/scripts/synth.tcl
index cd4d6ff27..6a360a836 100755
--- a/synthDC/scripts/synth.tcl
+++ b/synthDC/scripts/synth.tcl
@@ -296,6 +296,12 @@ write_file -format ddc -hierarchy -o $filename
 set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_design ".sdf"]
 write_sdf $filename
 
+# Write SPEF file in case need more precision power exploration for TSMC28psyn
+if {$tech != "tsmc28psyn"} {
+    set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_toplevel ".spef"]
+    redirect $filename { write_parasitics }
+}
+
 # QoR
 set filename [format "%s%s"  $outputDir "/reports/qor.rep"]
 redirect $filename { report_qor }