Add OpenROAD.WriteViews to generate LEF using OpenROAD and powered netlists excluding some cells

openlane/common/design_format.py

@@ -44,6 +44,18 @@ class DesignFormat(Enum):
         "pnl.v",
         "Powered Verilog Netlist",
     )
+    POWERED_NETLIST_SDF_FRIENDLY: DesignFormatObject = DesignFormatObject(
+        "pnl-sdf-friendly",
+        "pnl-sdf.v",
+        "Powered Verilog Netlist For SDF Simulation (Without Fill Cells)",
+        folder_override="pnl",
+    )
+    POWERED_NETLIST_NO_PHYSICAL_CELLS: DesignFormatObject = DesignFormatObject(
+        "pnl-npc",
+        "pnl-npc.v",
+        "Powered Verilog Netlist Without Physical Cells (Fill Cells and Diode Cells)",
+        folder_override="pnl",
+    )
 
     DEF: DesignFormatObject = DesignFormatObject(
         "def",
@@ -55,6 +67,12 @@ class DesignFormat(Enum):
         "lef",
         "Library Exchange Format",
     )
+    OPENROAD_LEF: DesignFormatObject = DesignFormatObject(
+        "openroad-lef",
+        "openroad.lef",
+        "Library Exchange Format Generated by OpenROAD",
+        folder_override="lef",
+    )
     ODB: DesignFormatObject = DesignFormatObject(
         "odb",
         "odb",

openlane/scripts/openroad/common/io.tcl

@@ -255,6 +255,29 @@ proc write_views {args} {
         write_verilog -include_pwr_gnd $::env(SAVE_POWERED_NETLIST)
     }
 
+    if { [info exists ::env(SAVE_POWERED_NETLIST_SDF_FRIENDLY)] } {
+        set exclude_cells "[join $::env(FILL_CELL)] [join $::env(DECAP_CELL)] [join $::env(FP_WELLTAP_CELL)] [join $::env(FP_ENDCAP_CELL)]"
+        puts "Writing nofill powered netlist to '$::env(SAVE_POWERED_NETLIST_SDF_FRIENDLY)'…"
+        puts "Excluding $exclude_cells"
+        write_verilog -include_pwr_gnd \
+            -remove_cells "$exclude_cells"\
+            $::env(SAVE_POWERED_NETLIST_SDF_FRIENDLY)
+    }
+
+    if { [info exists ::env(SAVE_POWERED_NETLIST_NO_PHYSICAL_CELLS)] } {
+        set exclude_cells "[join [lindex [split $::env(DIODE_CELL) "/"] 0]] [join $::env(FILL_CELL)] [join $::env(DECAP_CELL)] [join $::env(FP_WELLTAP_CELL)] [join $::env(FP_ENDCAP_CELL)]"
+        puts "Writing nofilldiode powered netlist to '$::env(SAVE_POWERED_NETLIST_NO_PHYSICAL_CELLS)'…"
+        puts "Excluding $exclude_cells"
+        write_verilog -include_pwr_gnd \
+            -remove_cells "$exclude_cells"\
+            $::env(SAVE_POWERED_NETLIST_NO_PHYSICAL_CELLS)
+    }
+
+    if { [info exists ::env(SAVE_OPENROAD_LEF)] } {
+        puts "Writing LEF to '$::env(SAVE_OPENROAD_LEF)'…"
+        write_abstract_lef $::env(SAVE_OPENROAD_LEF)
+    }
+
     if { [info exists ::env(SAVE_DEF)] } {
         puts "Writing layout to '$::env(SAVE_DEF)'…"
         write_def $::env(SAVE_DEF)

openlane/steps/openroad.py

@@ -1394,6 +1394,24 @@ def run(self, state_in: State, **kwargs) -> Tuple[ViewsUpdate, MetricsUpdate]:
         return views_updates, metrics_updates
 
 
+@Step.factory.register()
+class WriteViews(OpenROADStep):
+    """
+    Write various layout views of an ODB design
+    """
+
+    id = "OpenROAD.WriteViews"
+    name = "OpenROAD Write Views"
+    outputs = OpenROADStep.outputs + [
+        DesignFormat.POWERED_NETLIST_SDF_FRIENDLY,
+        DesignFormat.POWERED_NETLIST_NO_PHYSICAL_CELLS,
+        DesignFormat.OPENROAD_LEF,
+    ]
+
+    def get_script_path(self):
+        return os.path.join(get_script_dir(), "openroad", "write_views.tcl")
+
+
 # Resizer Steps