Corrected "corelocali" layer rules so that magic does not raise
various false positive errors when using the layer around contacts
and diffusion.
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 93634aa..deaa009 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -5391,18 +5391,25 @@
width *li 170 "Local interconnect width < %d (li.1)"
width rli 290 "Local interconnect width < %d (li.7)"
- width coreli 140 "Core local interconnect width < %d (li.c1)"
+
+ # Note: coreli width rule uses edge4way rule so as not to imply that
+ # all li contact types can also be minimum width 0.14um.
+ edge4way ~(coreli,pc,ndc,nsc,pdc,psc)/li coreli 140 coreli,pc,ndc,nsc,pdc,psc \
+ 0 0 "Core local interconnect width < %d (li.c1)"
+
+ # width coreli 140 "Core local interconnect width < %d (li.c1)"
+
spacing allli allli,*obsli 170 touching_ok "Local interconnect spacing < %d (li.3)"
spacing coreli allli,*obsli 140 touching_ok "Core local interconnect spacing < %d (li.c2)"
- surround pc/li *li 80 directional \
+ surround pc/li *li,coreli 80 directional \
"Local interconnect overlap of poly contact < %d in one direction (li.5)"
surround ndc/li,nsc/li,pdc/li,psc/li,ndic/li,pdic/li,mvndc/li,mvnsc/li,mvpdc/li,mvpsc/li,mvndic/li,mvpdic/li \
- *li,rli 80 directional \
+ *li,rli,coreli 80 directional \
"Local interconnect overlap of diffusion contact < %d in one direction (li.5)"
- area allli,*obsli 56100 170 "Local interconnect minimum area < %a (li.6)"
+ area allli,*obsli,coreli 56100 170 "Local interconnect minimum area < %a (li.6)"
angles *locali,rli 90 "Only 90 degree angles permitted on local interconnect (x.2)"
angles coreli 45 \
