Merge pull request #114 from siliconcompiler/relaxted-rules

add relaxed routing rules to asap7
siliconcompiler · Nov 28, 2024 · 6082e9d · 6082e9d
2 parents 9a81d92 + a5a9dab
commit 6082e9d
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diff --git a/lambdapdk/asap7/__init__.py b/lambdapdk/asap7/__init__.py
@@ -111,6 +111,10 @@ def setup():
     pdk.set('pdk', process, 'pexmodel', 'openroad-openrcx', stackup, 'typical',
             pdkdir + '/pex/openroad/typical.rules')
 
+    # Relaxed routing rules
+    pdk.set('pdk', process, 'file', 'openroad', 'relax_routing_rules', stackup,
+            pdkdir + '/apr/openroad_relaxed_rules.tcl')
+
     # Hide the DIEAREA layer 235/*.
     pdk.add('pdk', process, 'var', 'klayout', 'hide_layers', stackup, '235/0')
     pdk.add('pdk', process, 'var', 'klayout', 'hide_layers', stackup, '235/5')

diff --git a/lambdapdk/asap7/base/apr/openroad_relaxed_rules.tcl b/lambdapdk/asap7/base/apr/openroad_relaxed_rules.tcl
@@ -0,0 +1,11 @@
+utl::warn FLW 1 "Relaxed technology routing rules loaded for ASAP7,\
+    this should only be used for trial routing"
+
+utl::info FLW 1 "Removing right way on grid only rules"
+[[ord::get_db_tech] findLayer M1] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M2] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M3] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M4] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M5] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M6] setRightWayOnGridOnly 0
+[[ord::get_db_tech] findLayer M7] setRightWayOnGridOnly 0